| File: | root/firefox-clang/obj-x86_64-pc-linux-gnu/dom/xhr/./../../../dom/xhr/XMLHttpRequestMainThread.cpp |
| Warning: | line 2853, column 7 Value stored to 'rv' is never read |
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| 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 4 | |
| 5 | #include "XMLHttpRequestMainThread.h" |
| 6 | |
| 7 | #include <algorithm> |
| 8 | #ifndef XP_WIN |
| 9 | # include <unistd.h> |
| 10 | #endif |
| 11 | #include "GeckoProfiler.h" |
| 12 | #include "MultipartBlobImpl.h" |
| 13 | #include "XMLHttpRequestUpload.h" |
| 14 | #include "js/ArrayBuffer.h" // JS::{Create,Release}MappedArrayBufferContents,New{,Mapped}ArrayBufferWithContents |
| 15 | #include "js/JSON.h" // JS_ParseJSON |
| 16 | #include "js/MemoryFunctions.h" |
| 17 | #include "js/RootingAPI.h" // JS::{{,Mutable}Handle,Rooted} |
| 18 | #include "js/Value.h" // JS::{,Undefined}Value |
| 19 | #include "jsapi.h" // JS_ClearPendingException |
| 20 | #include "mozilla/AppShutdown.h" |
| 21 | #include "mozilla/BasePrincipal.h" |
| 22 | #include "mozilla/CheckedInt.h" |
| 23 | #include "mozilla/Components.h" |
| 24 | #include "mozilla/Encoding.h" |
| 25 | #include "mozilla/EventDispatcher.h" |
| 26 | #include "mozilla/EventListenerManager.h" |
| 27 | #include "mozilla/HoldDropJSObjects.h" |
| 28 | #include "mozilla/LoadContext.h" |
| 29 | #include "mozilla/LoadInfo.h" |
| 30 | #include "mozilla/MemoryReporting.h" |
| 31 | #include "mozilla/Preferences.h" |
| 32 | #include "mozilla/PreloaderBase.h" |
| 33 | #include "mozilla/ScopeExit.h" |
| 34 | #include "mozilla/SpinEventLoopUntil.h" |
| 35 | #include "mozilla/StaticPrefs_dom.h" |
| 36 | #include "mozilla/StaticPrefs_network.h" |
| 37 | #include "mozilla/StaticPrefs_privacy.h" |
| 38 | #include "mozilla/dom/AutoSuppressEventHandlingAndSuspend.h" |
| 39 | #include "mozilla/dom/BlobBinding.h" |
| 40 | #include "mozilla/dom/BlobURLChannel.h" |
| 41 | #include "mozilla/dom/BlobURLProtocolHandler.h" |
| 42 | #include "mozilla/dom/DOMString.h" |
| 43 | #include "mozilla/dom/DocGroup.h" |
| 44 | #include "mozilla/dom/FetchUtil.h" |
| 45 | #include "mozilla/dom/File.h" |
| 46 | #include "mozilla/dom/FileBinding.h" |
| 47 | #include "mozilla/dom/FileCreatorHelper.h" |
| 48 | #include "mozilla/dom/FormData.h" |
| 49 | #include "mozilla/dom/MutableBlobStorage.h" |
| 50 | #include "mozilla/dom/ProgressEvent.h" |
| 51 | #include "mozilla/dom/Promise.h" |
| 52 | #include "mozilla/dom/PromiseNativeHandler.h" |
| 53 | #include "mozilla/dom/ReferrerInfo.h" |
| 54 | #include "mozilla/dom/ScriptSettings.h" |
| 55 | #include "mozilla/dom/URLSearchParams.h" |
| 56 | #include "mozilla/dom/UserActivation.h" |
| 57 | #include "mozilla/dom/WorkerError.h" |
| 58 | #include "mozilla/dom/XMLDocument.h" |
| 59 | #include "mozilla/dom/XMLHttpRequestBinding.h" |
| 60 | #include "mozilla/dom/quota/QuotaCommon.h" |
| 61 | #include "mozilla/glean/DomMetrics.h" |
| 62 | #include "mozilla/net/ContentRange.h" |
| 63 | #include "nsAsyncRedirectVerifyHelper.h" |
| 64 | #include "nsCharSeparatedTokenizer.h" |
| 65 | #include "nsContentUtils.h" |
| 66 | #include "nsCycleCollectionParticipant.h" |
| 67 | #include "nsDataChannel.h" |
| 68 | #include "nsError.h" |
| 69 | #include "nsGlobalWindowInner.h" |
| 70 | #include "nsIAuthPrompt.h" |
| 71 | #include "nsIAuthPrompt2.h" |
| 72 | #include "nsIBaseChannel.h" |
| 73 | #include "nsICachingChannel.h" |
| 74 | #include "nsIClassOfService.h" |
| 75 | #include "nsIClassifiedChannel.h" |
| 76 | #include "nsIContentPolicy.h" |
| 77 | #include "nsICookieJarSettings.h" |
| 78 | #include "nsIDOMEventListener.h" |
| 79 | #include "nsIFileChannel.h" |
| 80 | #include "nsIHttpChannel.h" |
| 81 | #include "nsIHttpChannelInternal.h" |
| 82 | #include "nsIInterfaceRequestorUtils.h" |
| 83 | #include "nsIJARChannel.h" |
| 84 | #include "nsIJARURI.h" |
| 85 | #include "nsILoadGroup.h" |
| 86 | #include "nsIPermissionManager.h" |
| 87 | #include "nsIPromptFactory.h" |
| 88 | #include "nsIScriptError.h" |
| 89 | #include "nsISupportsPriority.h" |
| 90 | #include "nsITimedChannel.h" |
| 91 | #include "nsIURI.h" |
| 92 | #include "nsIURIMutator.h" |
| 93 | #include "nsIUploadChannel.h" |
| 94 | #include "nsIUploadChannel2.h" |
| 95 | #include "nsIWindowWatcher.h" |
| 96 | #include "nsMimeTypes.h" |
| 97 | #include "nsNetUtil.h" |
| 98 | #include "nsPIDOMWindowInlines.h" |
| 99 | #include "nsQueryObject.h" |
| 100 | #include "nsReadableUtils.h" |
| 101 | #include "nsSandboxFlags.h" |
| 102 | #include "nsStreamListenerWrapper.h" |
| 103 | #include "nsStreamUtils.h" |
| 104 | #include "nsStringStream.h" |
| 105 | #include "nsThreadUtils.h" |
| 106 | #include "nsVariant.h" |
| 107 | #include "nsWrapperCacheInlines.h" |
| 108 | #include "nsXPCOM.h" |
| 109 | #include "nsZipArchive.h" |
| 110 | #include "private/pprio.h" |
| 111 | #include "xpcpublic.h" |
| 112 | |
| 113 | // Undefine the macro of CreateFile to avoid FileCreatorHelper#CreateFile being |
| 114 | // replaced by FileCreatorHelper#CreateFileW. |
| 115 | #ifdef CreateFile |
| 116 | # undef CreateFile |
| 117 | #endif |
| 118 | |
| 119 | extern mozilla::LazyLogModule gXMLHttpRequestLog; |
| 120 | |
| 121 | using namespace mozilla::net; |
| 122 | |
| 123 | namespace mozilla::dom { |
| 124 | |
| 125 | using EventType = XMLHttpRequest::EventType; |
| 126 | using Events = XMLHttpRequest::Events; |
| 127 | |
| 128 | // Maximum size that we'll grow an ArrayBuffer instead of doubling, |
| 129 | // once doubling reaches this threshold |
| 130 | const uint32_t XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH = 32 * 1024 * 1024; |
| 131 | // start at 32k to avoid lots of doubling right at the start |
| 132 | const uint32_t XML_HTTP_REQUEST_ARRAYBUFFER_MIN_SIZE = 32 * 1024; |
| 133 | // the maximum Content-Length that we'll preallocate. 1GB. Must fit |
| 134 | // in an int32_t! |
| 135 | const int32_t XML_HTTP_REQUEST_MAX_CONTENT_LENGTH_PREALLOCATE = |
| 136 | 1 * 1024 * 1024 * 1024LL; |
| 137 | |
| 138 | constexpr nsLiteralString kLiteralString_readystatechange = |
| 139 | u"readystatechange"_ns; |
| 140 | // constexpr nsLiteralString kLiteralString_xmlhttprequest = |
| 141 | // u"xmlhttprequest"_ns; |
| 142 | constexpr nsLiteralString kLiteralString_DOMContentLoaded = |
| 143 | u"DOMContentLoaded"_ns; |
| 144 | constexpr nsLiteralCString kLiteralString_charset = "charset"_ns; |
| 145 | constexpr nsLiteralCString kLiteralString_UTF_8 = "UTF-8"_ns; |
| 146 | |
| 147 | #define NS_PROGRESS_EVENT_INTERVAL50 50 |
| 148 | #define MAX_SYNC_TIMEOUT_WHEN_UNLOADING10000 10000 /* 10 secs */ |
| 149 | |
| 150 | NS_IMPL_ISUPPORTS(nsXHRParseEndListener, nsIDOMEventListener)MozExternalRefCountType nsXHRParseEndListener::AddRef(void) { static_assert(!std::is_destructible_v<nsXHRParseEndListener >, "Reference-counted class " "nsXHRParseEndListener" " should not have a public destructor. " "Make this class's destructor non-public"); do { static_assert ( mozilla::detail::AssertionConditionType<decltype(int32_t (mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 150); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 150 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsXHRParseEndListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsXHRParseEndListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsXHRParseEndListener\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 150); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsXHRParseEndListener\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 150); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread.AssertOwnership ("nsXHRParseEndListener" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("nsXHRParseEndListener" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsXHRParseEndListener::Release(void) { do { static_assert( mozilla ::detail::AssertionConditionType<decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(int32_t(mRefCnt) > 0))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 150) ; AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 150 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsXHRParseEndListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsXHRParseEndListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsXHRParseEndListener\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 150); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsXHRParseEndListener\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 150); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread.AssertOwnership ("nsXHRParseEndListener" " not thread-safe"); const char* const nametmp = "nsXHRParseEndListener"; nsrefcnt count = --mRefCnt ; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsXHRParseEndListener::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 150); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(1 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsXHRParseEndListener, nsIDOMEventListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIDOMEventListener *>((nsXHRParseEndListener*)0x1000)) - reinterpret_cast< char*>((nsXHRParseEndListener*)0x1000))}, {&mozilla::detail ::kImplementedIID<nsXHRParseEndListener, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIDOMEventListener*>((nsXHRParseEndListener *)0x1000))) - reinterpret_cast<char*>((nsXHRParseEndListener *)0x1000))}, { nullptr, 0 } } ; static_assert(std::size(table ) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI (static_cast<void*>(this), aIID, aInstancePtr, table); return rv; } |
| 151 | |
| 152 | class nsResumeTimeoutsEvent : public Runnable { |
| 153 | public: |
| 154 | explicit nsResumeTimeoutsEvent(nsPIDOMWindowInner* aWindow) |
| 155 | : Runnable("dom::nsResumeTimeoutsEvent"), mWindow(aWindow) {} |
| 156 | |
| 157 | NS_IMETHODvirtual nsresult Run() override { |
| 158 | mWindow->Resume(); |
| 159 | return NS_OK; |
| 160 | } |
| 161 | |
| 162 | private: |
| 163 | nsCOMPtr<nsPIDOMWindowInner> mWindow; |
| 164 | }; |
| 165 | |
| 166 | // This helper function adds the given load flags to the request's existing |
| 167 | // load flags. |
| 168 | static void AddLoadFlags(nsIRequest* request, nsLoadFlags newFlags) { |
| 169 | nsLoadFlags flags; |
| 170 | request->GetLoadFlags(&flags); |
| 171 | flags |= newFlags; |
| 172 | request->SetLoadFlags(flags); |
| 173 | } |
| 174 | |
| 175 | // Returns the window whose event loop a sync XHR from aGlobal must block. For |
| 176 | // content script sandboxes, this is the window set as the sandboxPrototype. |
| 177 | static nsPIDOMWindowInner* GetWindowForSyncLoop(nsIGlobalObject* aGlobal) { |
| 178 | if (!aGlobal) { |
| 179 | return nullptr; |
| 180 | } |
| 181 | if (nsPIDOMWindowInner* window = aGlobal->GetAsInnerWindow()) { |
| 182 | return window; |
| 183 | } |
| 184 | JS::Rooted<JSObject*> scope(RootingCx(), aGlobal->GetGlobalJSObject()); |
| 185 | if (!scope) { |
| 186 | return nullptr; |
| 187 | } |
| 188 | AutoJSAPI jsapi; |
| 189 | if (!jsapi.Init(scope)) { |
| 190 | return nullptr; |
| 191 | } |
| 192 | return xpc::SandboxWindowOrNull(scope, jsapi.cx()); |
| 193 | } |
| 194 | |
| 195 | // We are in a sync event loop. |
| 196 | #define NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } \ |
| 197 | if (mFlagSyncLooping || mEventDispatchingSuspended) { \ |
| 198 | aRv.Throw(NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); \ |
| 199 | return; \ |
| 200 | } |
| 201 | |
| 202 | ///////////////////////////////////////////// |
| 203 | // |
| 204 | // |
| 205 | ///////////////////////////////////////////// |
| 206 | |
| 207 | #ifdef DEBUG1 |
| 208 | |
| 209 | // In debug mode, annotate WorkerRefs with the name of the function being |
| 210 | // invoked for increased scrutability. Save the previous value on the stack. |
| 211 | namespace { |
| 212 | struct DebugWorkerRefs { |
| 213 | Mutex& mMutex; |
| 214 | RefPtr<ThreadSafeWorkerRef> mTSWorkerRef; |
| 215 | nsCString mPrev; |
| 216 | |
| 217 | DebugWorkerRefs(XMLHttpRequestMainThread& aXHR, const std::string& aStatus) |
| 218 | : mMutex(aXHR.mTSWorkerRefMutex) { |
| 219 | MutexAutoLock lock(mMutex); |
| 220 | |
| 221 | mTSWorkerRef = aXHR.mTSWorkerRef; |
| 222 | |
| 223 | if (!mTSWorkerRef) { |
| 224 | return; |
| 225 | } |
| 226 | |
| 227 | MOZ_ASSERT(mTSWorkerRef->Private())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTSWorkerRef->Private())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mTSWorkerRef->Private())) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTSWorkerRef->Private()" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 227); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mTSWorkerRef->Private()" ")"); do { MOZ_CrashSequence (__null, 227); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 228 | |
| 229 | nsCString status(aStatus.c_str()); |
| 230 | mPrev = GET_WORKERREF_DEBUG_STATUS(mTSWorkerRef->Ref())((mTSWorkerRef->Ref())->DebugGetWorkerRefStatus()); |
| 231 | SET_WORKERREF_DEBUG_STATUS(mTSWorkerRef->Ref(), status)((mTSWorkerRef->Ref())->DebugSetWorkerRefStatus(status) ); |
| 232 | } |
| 233 | |
| 234 | ~DebugWorkerRefs() { |
| 235 | MutexAutoLock lock(mMutex); |
| 236 | |
| 237 | if (!mTSWorkerRef) { |
| 238 | return; |
| 239 | } |
| 240 | |
| 241 | MOZ_ASSERT(mTSWorkerRef->Private())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTSWorkerRef->Private())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mTSWorkerRef->Private())) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTSWorkerRef->Private()" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 241); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mTSWorkerRef->Private()" ")"); do { MOZ_CrashSequence (__null, 241); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 242 | |
| 243 | SET_WORKERREF_DEBUG_STATUS(mTSWorkerRef->Ref(), mPrev)((mTSWorkerRef->Ref())->DebugSetWorkerRefStatus(mPrev)); |
| 244 | |
| 245 | mTSWorkerRef = nullptr; |
| 246 | } |
| 247 | }; |
| 248 | } // namespace |
| 249 | |
| 250 | # define STREAM_STRING(stuff)(((const std::ostringstream&)(std::ostringstream() << stuff)) .str()) \ |
| 251 | (((const std::ostringstream&)(std::ostringstream() << stuff)) \ |
| 252 | .str()) // NOLINT |
| 253 | |
| 254 | # if 1 // Disabling because bug 1855699 |
| 255 | # define DEBUG_WORKERREFSvoid() void() |
| 256 | # define DEBUG_WORKERREFS1(x)void() void() |
| 257 | # else |
| 258 | |
| 259 | # define DEBUG_WORKERREFSvoid() \ |
| 260 | DebugWorkerRefs MOZ_UNIQUE_VAR(debugWR__)debugWR__9(*this, __func__) |
| 261 | |
| 262 | # define DEBUG_WORKERREFS1(x)void() \ |
| 263 | DebugWorkerRefs MOZ_UNIQUE_VAR(debugWR__)debugWR__10( \ |
| 264 | *this, STREAM_STRING(__func__ << ": " << x)(((const std::ostringstream&)(std::ostringstream() << __func__ << ": " << x)) .str())) // NOLINT |
| 265 | |
| 266 | # endif |
| 267 | |
| 268 | #else |
| 269 | # define DEBUG_WORKERREFSvoid() void() |
| 270 | # define DEBUG_WORKERREFS1(x)void() void() |
| 271 | #endif // DEBUG |
| 272 | |
| 273 | bool XMLHttpRequestMainThread::sDontWarnAboutSyncXHR = false; |
| 274 | |
| 275 | XMLHttpRequestMainThread::XMLHttpRequestMainThread( |
| 276 | nsIGlobalObject* aGlobalObject) |
| 277 | : XMLHttpRequest(aGlobalObject), |
| 278 | #ifdef DEBUG1 |
| 279 | mTSWorkerRefMutex("Debug WorkerRefs"), |
| 280 | #endif |
| 281 | mResponseBodyDecodedPos(0), |
| 282 | mResponseType(XMLHttpRequestResponseType::_empty), |
| 283 | mState(XMLHttpRequest_Binding::UNSENT), |
| 284 | mFlagSynchronous(false), |
| 285 | mFlagAborted(false), |
| 286 | mFlagParseBody(false), |
| 287 | mFlagSyncLooping(false), |
| 288 | mFlagBackgroundRequest(false), |
| 289 | mFlagHadUploadListenersOnSend(false), |
| 290 | mFlagACwithCredentials(false), |
| 291 | mFlagTimedOut(false), |
| 292 | mFlagDeleted(false), |
| 293 | mFlagSend(false), |
| 294 | mUploadTransferred(0), |
| 295 | mUploadTotal(0), |
| 296 | mUploadComplete(true), |
| 297 | mProgressSinceLastProgressEvent(false), |
| 298 | mRequestSentTime(0), |
| 299 | mTimeoutMilliseconds(0), |
| 300 | mErrorLoad(ErrorType::eOK), |
| 301 | mErrorLoadDetail(NS_OK), |
| 302 | mErrorParsingXML(false), |
| 303 | mWaitingForOnStopRequest(false), |
| 304 | mProgressTimerIsActive(false), |
| 305 | mIsHtml(false), |
| 306 | mWarnAboutSyncHtml(false), |
| 307 | mLoadTotal(-1), |
| 308 | mLoadTransferred(0), |
| 309 | mIsSystem(false), |
| 310 | mIsAnon(false), |
| 311 | mAlreadyGotStopRequest(false), |
| 312 | mResultJSON(JS::UndefinedValue()), |
| 313 | mArrayBufferBuilder(new ArrayBufferBuilder()), |
| 314 | mResultArrayBuffer(nullptr), |
| 315 | mIsMappedArrayBuffer(false), |
| 316 | mXPCOMifier(nullptr), |
| 317 | mEventDispatchingSuspended(false), |
| 318 | mEofDecoded(false), |
| 319 | mDelayedDoneNotifier(nullptr) { |
| 320 | DEBUG_WORKERREFSvoid(); |
| 321 | mozilla::HoldJSObjects(this); |
| 322 | } |
| 323 | |
| 324 | XMLHttpRequestMainThread::~XMLHttpRequestMainThread() { |
| 325 | DEBUG_WORKERREFSvoid(); |
| 326 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mDelayedDoneNotifier)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mDelayedDoneNotifier))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("!mDelayedDoneNotifier" " (" "How can we have mDelayedDoneNotifier, which owns us, in destructor?" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 328) ; AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mDelayedDoneNotifier" ") (" "How can we have mDelayedDoneNotifier, which owns us, in destructor?" ")"); do { MOZ_CrashSequence(__null, 328); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 327 | !mDelayedDoneNotifier,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mDelayedDoneNotifier)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mDelayedDoneNotifier))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("!mDelayedDoneNotifier" " (" "How can we have mDelayedDoneNotifier, which owns us, in destructor?" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 328) ; AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mDelayedDoneNotifier" ") (" "How can we have mDelayedDoneNotifier, which owns us, in destructor?" ")"); do { MOZ_CrashSequence(__null, 328); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 328 | "How can we have mDelayedDoneNotifier, which owns us, in destructor?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mDelayedDoneNotifier)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mDelayedDoneNotifier))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("!mDelayedDoneNotifier" " (" "How can we have mDelayedDoneNotifier, which owns us, in destructor?" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 328) ; AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mDelayedDoneNotifier" ") (" "How can we have mDelayedDoneNotifier, which owns us, in destructor?" ")"); do { MOZ_CrashSequence(__null, 328); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 329 | |
| 330 | mFlagDeleted = true; |
| 331 | |
| 332 | if ((mState == XMLHttpRequest_Binding::OPENED && mFlagSend) || |
| 333 | mState == XMLHttpRequest_Binding::LOADING) { |
| 334 | Abort(); |
| 335 | } |
| 336 | |
| 337 | mParseEndListener = nullptr; |
| 338 | |
| 339 | MOZ_ASSERT(!mFlagSyncLooping, "we rather crash than hang")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mFlagSyncLooping)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mFlagSyncLooping))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mFlagSyncLooping" " (" "we rather crash than hang" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 339); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mFlagSyncLooping" ") (" "we rather crash than hang" ")"); do { MOZ_CrashSequence (__null, 339); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 340 | mFlagSyncLooping = false; |
| 341 | |
| 342 | mozilla::DropJSObjects(this); |
| 343 | } |
| 344 | |
| 345 | void XMLHttpRequestMainThread::Construct( |
| 346 | nsIPrincipal* aPrincipal, nsICookieJarSettings* aCookieJarSettings, |
| 347 | bool aForWorker, nsIURI* aBaseURI /* = nullptr */, |
| 348 | nsILoadGroup* aLoadGroup /* = nullptr */, |
| 349 | PerformanceStorage* aPerformanceStorage /* = nullptr */, |
| 350 | nsICSPEventListener* aCSPEventListener /* = nullptr */) { |
| 351 | DEBUG_WORKERREFSvoid(); |
| 352 | MOZ_ASSERT(aPrincipal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPrincipal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPrincipal))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPrincipal", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 352); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPrincipal" ")" ); do { MOZ_CrashSequence(__null, 352); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 353 | mPrincipal = aPrincipal; |
| 354 | mBaseURI = aBaseURI; |
| 355 | mLoadGroup = aLoadGroup; |
| 356 | mCookieJarSettings = aCookieJarSettings; |
| 357 | mForWorker = aForWorker; |
| 358 | mPerformanceStorage = aPerformanceStorage; |
| 359 | mCSPEventListener = aCSPEventListener; |
| 360 | } |
| 361 | |
| 362 | void XMLHttpRequestMainThread::InitParameters(bool aAnon, bool aSystem) { |
| 363 | DEBUG_WORKERREFSvoid(); |
| 364 | if (!aAnon && !aSystem) { |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | // Check for permissions. |
| 369 | // Chrome is always allowed access, so do the permission check only |
| 370 | // for non-chrome pages. |
| 371 | if (!IsSystemXHR() && aSystem) { |
| 372 | nsIGlobalObject* global = GetRelevantGlobal(); |
| 373 | if (NS_WARN_IF(!global)NS_warn_if_impl(!global, "!global", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 373)) { |
| 374 | SetParameters(aAnon, false); |
| 375 | return; |
| 376 | } |
| 377 | |
| 378 | nsIPrincipal* principal = global->PrincipalOrNull(); |
| 379 | if (NS_WARN_IF(!principal)NS_warn_if_impl(!principal, "!principal", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 379)) { |
| 380 | SetParameters(aAnon, false); |
| 381 | return; |
| 382 | } |
| 383 | |
| 384 | nsCOMPtr<nsIPermissionManager> permMgr = |
| 385 | components::PermissionManager::Service(); |
| 386 | if (NS_WARN_IF(!permMgr)NS_warn_if_impl(!permMgr, "!permMgr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 386)) { |
| 387 | SetParameters(aAnon, false); |
| 388 | return; |
| 389 | } |
| 390 | |
| 391 | uint32_t permission; |
| 392 | nsresult rv = permMgr->TestPermissionFromPrincipal( |
| 393 | principal, "systemXHR"_ns, &permission); |
| 394 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0))) || permission != nsIPermissionManager::ALLOW_ACTION) { |
| 395 | SetParameters(aAnon, false); |
| 396 | return; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | SetParameters(aAnon, aSystem); |
| 401 | } |
| 402 | |
| 403 | void XMLHttpRequestMainThread::SetClientInfoAndController( |
| 404 | const ClientInfo& aClientInfo, |
| 405 | const Maybe<ServiceWorkerDescriptor>& aController) { |
| 406 | mClientInfo.emplace(aClientInfo); |
| 407 | mController = aController; |
| 408 | } |
| 409 | |
| 410 | void XMLHttpRequestMainThread::SetAssociatedBrowsingContextID(uint64_t aId) { |
| 411 | mAssociatedBrowsingContextID = aId; |
| 412 | } |
| 413 | |
| 414 | void XMLHttpRequestMainThread::ResetResponse() { |
| 415 | if (RefPtr<nsXHRParseEndListener> listener = mParseEndListener.forget()) { |
| 416 | if (mResponseXML) { |
| 417 | if (EventListenerManager* manager = |
| 418 | mResponseXML->GetExistingListenerManager()) { |
| 419 | manager->RemoveEventListenerByType(listener, |
| 420 | kLiteralString_DOMContentLoaded, |
| 421 | TrustedEventsAtSystemGroupBubble()); |
| 422 | } |
| 423 | } |
| 424 | } |
| 425 | mResponseXML = nullptr; |
| 426 | mResponseBody.Truncate(); |
| 427 | TruncateResponseText(); |
| 428 | mResponseBlobImpl = nullptr; |
| 429 | mResponseBlob = nullptr; |
| 430 | mBlobStorage = nullptr; |
| 431 | mResultArrayBuffer = nullptr; |
| 432 | mArrayBufferBuilder = new ArrayBufferBuilder(); |
| 433 | mResultJSON.setUndefined(); |
| 434 | mLoadTransferred = 0; |
| 435 | mResponseBodyDecodedPos = 0; |
| 436 | mEofDecoded = false; |
| 437 | } |
| 438 | |
| 439 | NS_IMPL_CYCLE_COLLECTION_CLASS(XMLHttpRequestMainThread)XMLHttpRequestMainThread::cycleCollection XMLHttpRequestMainThread ::_cycleCollectorGlobal; |
| 440 | |
| 441 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(XMLHttpRequestMainThread,nsresult XMLHttpRequestMainThread::cycleCollection::TraverseNative ( void* p, nsCycleCollectionTraversalCallback& cb) { XMLHttpRequestMainThread * tmp = DowncastCCParticipant<XMLHttpRequestMainThread> (p); nsISupports* s = static_cast<nsISupports*>(p); if ( XMLHttpRequestEventTarget::cycleCollection::TraverseNative(s, cb) == NS_SUCCESS_INTERRUPTED_TRAVERSE) { return NS_SUCCESS_INTERRUPTED_TRAVERSE ; } |
| 442 | XMLHttpRequestEventTarget)nsresult XMLHttpRequestMainThread::cycleCollection::TraverseNative ( void* p, nsCycleCollectionTraversalCallback& cb) { XMLHttpRequestMainThread * tmp = DowncastCCParticipant<XMLHttpRequestMainThread> (p); nsISupports* s = static_cast<nsISupports*>(p); if ( XMLHttpRequestEventTarget::cycleCollection::TraverseNative(s, cb) == NS_SUCCESS_INTERRUPTED_TRAVERSE) { return NS_SUCCESS_INTERRUPTED_TRAVERSE ; } |
| 443 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChannel)ImplCycleCollectionTraverse(cb, tmp->mChannel, "mChannel", 0); |
| 444 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mResponseXML)ImplCycleCollectionTraverse(cb, tmp->mResponseXML, "mResponseXML" , 0); |
| 445 | |
| 446 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mXMLParserStreamListener)ImplCycleCollectionTraverse(cb, tmp->mXMLParserStreamListener , "mXMLParserStreamListener", 0); |
| 447 | |
| 448 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mResponseBlob)ImplCycleCollectionTraverse(cb, tmp->mResponseBlob, "mResponseBlob" , 0); |
| 449 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mNotificationCallbacks)ImplCycleCollectionTraverse(cb, tmp->mNotificationCallbacks , "mNotificationCallbacks", 0); |
| 450 | |
| 451 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChannelEventSink)ImplCycleCollectionTraverse(cb, tmp->mChannelEventSink, "mChannelEventSink" , 0); |
| 452 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mProgressEventSink)ImplCycleCollectionTraverse(cb, tmp->mProgressEventSink, "mProgressEventSink" , 0); |
| 453 | |
| 454 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mUpload)ImplCycleCollectionTraverse(cb, tmp->mUpload, "mUpload", 0 ); |
| 455 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END(void)tmp; return NS_OK; } |
| 456 | |
| 457 | NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(XMLHttpRequestMainThread,void XMLHttpRequestMainThread::cycleCollection::Unlink(void* p ) { XMLHttpRequestMainThread* tmp = DowncastCCParticipant< XMLHttpRequestMainThread>(p); nsISupports* s = static_cast <nsISupports*>(p); XMLHttpRequestEventTarget::cycleCollection ::Unlink(s); |
| 458 | XMLHttpRequestEventTarget)void XMLHttpRequestMainThread::cycleCollection::Unlink(void* p ) { XMLHttpRequestMainThread* tmp = DowncastCCParticipant< XMLHttpRequestMainThread>(p); nsISupports* s = static_cast <nsISupports*>(p); XMLHttpRequestEventTarget::cycleCollection ::Unlink(s); |
| 459 | tmp->mResultArrayBuffer = nullptr; |
| 460 | tmp->mArrayBufferBuilder = nullptr; |
| 461 | tmp->mResultJSON.setUndefined(); |
| 462 | tmp->mResponseBlobImpl = nullptr; |
| 463 | |
| 464 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mChannel)ImplCycleCollectionUnlink(tmp->mChannel); |
| 465 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mResponseXML)ImplCycleCollectionUnlink(tmp->mResponseXML); |
| 466 | |
| 467 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mXMLParserStreamListener)ImplCycleCollectionUnlink(tmp->mXMLParserStreamListener); |
| 468 | |
| 469 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mResponseBlob)ImplCycleCollectionUnlink(tmp->mResponseBlob); |
| 470 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mNotificationCallbacks)ImplCycleCollectionUnlink(tmp->mNotificationCallbacks); |
| 471 | |
| 472 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mChannelEventSink)ImplCycleCollectionUnlink(tmp->mChannelEventSink); |
| 473 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mProgressEventSink)ImplCycleCollectionUnlink(tmp->mProgressEventSink); |
| 474 | |
| 475 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mUpload)ImplCycleCollectionUnlink(tmp->mUpload); |
| 476 | NS_IMPL_CYCLE_COLLECTION_UNLINK_WEAK_PTRtmp->DetachWeakPtr(); |
| 477 | NS_IMPL_CYCLE_COLLECTION_UNLINK_END(void)tmp; } |
| 478 | |
| 479 | NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(XMLHttpRequestMainThread,void XMLHttpRequestMainThread::cycleCollection::Trace( void* p , [[maybe_unused]] const TraceCallbacks& aCallbacks, [[maybe_unused ]] void* aClosure) { XMLHttpRequestMainThread* tmp = DowncastCCParticipant <XMLHttpRequestMainThread>(p); nsISupports* s = static_cast <nsISupports*>(p); XMLHttpRequestEventTarget::cycleCollection ::Trace(s, aCallbacks, aClosure); |
| 480 | XMLHttpRequestEventTarget)void XMLHttpRequestMainThread::cycleCollection::Trace( void* p , [[maybe_unused]] const TraceCallbacks& aCallbacks, [[maybe_unused ]] void* aClosure) { XMLHttpRequestMainThread* tmp = DowncastCCParticipant <XMLHttpRequestMainThread>(p); nsISupports* s = static_cast <nsISupports*>(p); XMLHttpRequestEventTarget::cycleCollection ::Trace(s, aCallbacks, aClosure); |
| 481 | NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mResultArrayBuffer)ImplCycleCollectionTrace(aCallbacks, tmp->mResultArrayBuffer , "mResultArrayBuffer", aClosure); |
| 482 | NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mResultJSON)ImplCycleCollectionTrace(aCallbacks, tmp->mResultJSON, "mResultJSON" , aClosure); |
| 483 | NS_IMPL_CYCLE_COLLECTION_TRACE_END(void)tmp; } |
| 484 | |
| 485 | bool XMLHttpRequestMainThread::IsCertainlyAliveForCC() const { |
| 486 | return mWaitingForOnStopRequest; |
| 487 | } |
| 488 | |
| 489 | // QueryInterface implementation for XMLHttpRequestMainThread |
| 490 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(XMLHttpRequestMainThread)nsresult XMLHttpRequestMainThread::QueryInterface(const nsIID & aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 490); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; if (TopThreeWordsEquals( aIID, (nsXPCOMCycleCollectionParticipant ::kIID), (nsCycleCollectionISupports::kIID)) && (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::kIID)) || LowWordEquals (aIID, (nsCycleCollectionISupports::kIID)))) { if (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::kIID))) { *aInstancePtr = XMLHttpRequestMainThread::cycleCollection::GetParticipant( ); return NS_OK; } if (LowWordEquals(aIID, (nsCycleCollectionISupports ::kIID))) { *aInstancePtr = XMLHttpRequestMainThread::cycleCollection ::Upcast(this); return NS_OK; } foundInterface = nullptr; } else |
| 491 | NS_INTERFACE_MAP_ENTRY(nsIRequestObserver)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIRequestObserver>)) foundInterface = static_cast<nsIRequestObserver*>(this); else |
| 492 | NS_INTERFACE_MAP_ENTRY(nsIStreamListener)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIStreamListener>)) foundInterface = static_cast<nsIStreamListener*>(this); else |
| 493 | NS_INTERFACE_MAP_ENTRY(nsIChannelEventSink)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIChannelEventSink>)) foundInterface = static_cast<nsIChannelEventSink*>(this); else |
| 494 | NS_INTERFACE_MAP_ENTRY(nsIProgressEventSink)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIProgressEventSink>)) foundInterface = static_cast<nsIProgressEventSink*>(this); else |
| 495 | NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIInterfaceRequestor>)) foundInterface = static_cast<nsIInterfaceRequestor*>(this); else |
| 496 | NS_INTERFACE_MAP_ENTRY(nsITimerCallback)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsITimerCallback>)) foundInterface = static_cast<nsITimerCallback*>(this); else |
| 497 | NS_INTERFACE_MAP_ENTRY(nsINamed)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsINamed>)) foundInterface = static_cast <nsINamed*>(this); else |
| 498 | NS_INTERFACE_MAP_ENTRY(nsISizeOfEventTarget)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISizeOfEventTarget>)) foundInterface = static_cast<nsISizeOfEventTarget*>(this); else |
| 499 | NS_INTERFACE_MAP_END_INHERITING(XMLHttpRequestEventTarget)foundInterface = 0; nsresult status; if (!foundInterface) status = XMLHttpRequestEventTarget::QueryInterface(aIID, (void**)& foundInterface); else { (foundInterface)->AddRef(); status = NS_OK; } *aInstancePtr = foundInterface; return status; } |
| 500 | |
| 501 | NS_IMPL_ADDREF_INHERITED(XMLHttpRequestMainThread, XMLHttpRequestEventTarget)MozExternalRefCountType XMLHttpRequestMainThread::AddRef(void ) { static_assert(!std::is_destructible_v<XMLHttpRequestMainThread >, "Reference-counted class " "XMLHttpRequestMainThread" " should not have a public destructor. " "Make this class's destructor non-public"); nsrefcnt r = XMLHttpRequestEventTarget ::AddRef(); if constexpr (::mozilla::detail::ShouldLogInheritedRefcnt <XMLHttpRequestMainThread>) { NS_LogAddRef((this), (r), ("XMLHttpRequestMainThread"), (uint32_t)(sizeof(*this))); } return r; } |
| 502 | NS_IMPL_RELEASE_INHERITED(XMLHttpRequestMainThread, XMLHttpRequestEventTarget)MozExternalRefCountType XMLHttpRequestMainThread::Release(void ) { nsrefcnt r = XMLHttpRequestEventTarget::Release(); if constexpr (::mozilla::detail::ShouldLogInheritedRefcnt<XMLHttpRequestMainThread >) { NS_LogRelease((this), (r), ("XMLHttpRequestMainThread" )); } return r; } |
| 503 | |
| 504 | void XMLHttpRequestMainThread::DisconnectFromOwner() { |
| 505 | XMLHttpRequestEventTarget::DisconnectFromOwner(); |
| 506 | // Worker-owned XHRs have their own complicated state machine that does not |
| 507 | // expect Abort() to be called here. The worker state machine cleanup will |
| 508 | // take care of ensuring the XHR is aborted in a timely fashion since the |
| 509 | // worker itself will inherently be canceled at the same time this is |
| 510 | // happening. |
| 511 | if (!mForWorker) { |
| 512 | Abort(); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | size_t XMLHttpRequestMainThread::SizeOfEventTargetIncludingThis( |
| 517 | MallocSizeOf aMallocSizeOf) const { |
| 518 | size_t n = aMallocSizeOf(this); |
| 519 | n += mResponseBody.SizeOfExcludingThisIfUnshared(aMallocSizeOf); |
| 520 | |
| 521 | // Why is this safe? Because no-one else will report this string. The |
| 522 | // other possible sharers of this string are as follows. |
| 523 | // |
| 524 | // - The JS engine could hold copies if the JS code holds references, e.g. |
| 525 | // |var text = XHR.responseText|. However, those references will be via JS |
| 526 | // external strings, for which the JS memory reporter does *not* report the |
| 527 | // chars. |
| 528 | // |
| 529 | // - Binary extensions, but they're *extremely* unlikely to do any memory |
| 530 | // reporting. |
| 531 | // |
| 532 | n += mResponseText.SizeOfThis(aMallocSizeOf); |
| 533 | |
| 534 | return n; |
| 535 | |
| 536 | // Measurement of the following members may be added later if DMD finds it is |
| 537 | // worthwhile: |
| 538 | // - lots |
| 539 | } |
| 540 | |
| 541 | static void LogMessage( |
| 542 | const char* aWarning, nsPIDOMWindowInner* aWindow, |
| 543 | const nsTArray<nsString>& aParams = nsTArray<nsString>()) { |
| 544 | nsCOMPtr<Document> doc; |
| 545 | if (aWindow) { |
| 546 | doc = aWindow->GetExtantDoc(); |
| 547 | } |
| 548 | nsContentUtils::ReportToConsole(nsIScriptError::warningFlag, "DOM"_ns, doc, |
| 549 | PropertiesFile::DOM_PROPERTIES, aWarning, |
| 550 | aParams); |
| 551 | } |
| 552 | |
| 553 | Document* XMLHttpRequestMainThread::GetResponseXML(ErrorResult& aRv) { |
| 554 | if (mResponseType != XMLHttpRequestResponseType::_empty && |
| 555 | mResponseType != XMLHttpRequestResponseType::Document) { |
| 556 | aRv.ThrowInvalidStateError( |
| 557 | "responseXML is only available if responseType is '' or 'document'."); |
| 558 | return nullptr; |
| 559 | } |
| 560 | if (mWarnAboutSyncHtml) { |
| 561 | mWarnAboutSyncHtml = false; |
| 562 | LogMessage("HTMLSyncXHRWarning", GetOwnerWindow()); |
| 563 | } |
| 564 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 565 | return nullptr; |
| 566 | } |
| 567 | return mResponseXML; |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | * This piece copied from XMLDocument, we try to get the charset |
| 572 | * from HTTP headers. |
| 573 | */ |
| 574 | nsresult XMLHttpRequestMainThread::DetectCharset() { |
| 575 | DEBUG_WORKERREFSvoid(); |
| 576 | mDecoder = nullptr; |
| 577 | |
| 578 | if (mResponseType != XMLHttpRequestResponseType::_empty && |
| 579 | mResponseType != XMLHttpRequestResponseType::Text && |
| 580 | mResponseType != XMLHttpRequestResponseType::Json) { |
| 581 | return NS_OK; |
| 582 | } |
| 583 | |
| 584 | nsAutoCString charsetVal; |
| 585 | const Encoding* encoding; |
| 586 | bool ok = mChannel && NS_SUCCEEDED(mChannel->GetContentCharset(charsetVal))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mChannel->GetContentCharset (charsetVal))), 1))) && |
| 587 | (encoding = Encoding::ForLabel(charsetVal)); |
| 588 | if (!ok) { |
| 589 | // MS documentation states UTF-8 is default for responseText |
| 590 | encoding = UTF_8_ENCODING; |
| 591 | } |
| 592 | |
| 593 | if (mResponseType == XMLHttpRequestResponseType::Json && |
| 594 | encoding != UTF_8_ENCODING) { |
| 595 | // The XHR spec says only UTF-8 is supported for responseType == "json" |
| 596 | LogMessage("JSONCharsetWarning", GetOwnerWindow()); |
| 597 | encoding = UTF_8_ENCODING; |
| 598 | } |
| 599 | |
| 600 | // Only sniff the BOM for non-JSON responseTypes |
| 601 | if (mResponseType == XMLHttpRequestResponseType::Json) { |
| 602 | mDecoder = encoding->NewDecoderWithBOMRemoval(); |
| 603 | } else { |
| 604 | mDecoder = encoding->NewDecoder(); |
| 605 | } |
| 606 | |
| 607 | return NS_OK; |
| 608 | } |
| 609 | |
| 610 | nsresult XMLHttpRequestMainThread::AppendToResponseText( |
| 611 | Span<const uint8_t> aBuffer, bool aLast) { |
| 612 | // Call this with an empty buffer to send the decoder the signal |
| 613 | // that we have hit the end of the stream. |
| 614 | |
| 615 | NS_ENSURE_STATE(mDecoder)do { if ((__builtin_expect(!!(!(mDecoder)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDecoder" ") failed", nullptr , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 615); return NS_ERROR_UNEXPECTED; } } while (false); |
| 616 | |
| 617 | CheckedInt<size_t> destBufferLen = |
| 618 | mDecoder->MaxUTF16BufferLength(aBuffer.Length()); |
| 619 | |
| 620 | { // scope for holding the mutex that protects mResponseText |
| 621 | XMLHttpRequestStringWriterHelper helper(mResponseText); |
| 622 | |
| 623 | uint32_t len = helper.Length(); |
| 624 | |
| 625 | destBufferLen += len; |
| 626 | if (!destBufferLen.isValid() || destBufferLen.value() > UINT32_MAX(4294967295U)) { |
| 627 | return NS_ERROR_OUT_OF_MEMORY; |
| 628 | } |
| 629 | |
| 630 | auto handleOrErr = helper.BulkWrite(destBufferLen.value()); |
| 631 | if (handleOrErr.isErr()) { |
| 632 | return handleOrErr.unwrapErr(); |
| 633 | } |
| 634 | |
| 635 | auto handle = handleOrErr.unwrap(); |
| 636 | |
| 637 | uint32_t result; |
| 638 | size_t read; |
| 639 | size_t written; |
| 640 | std::tie(result, read, written, std::ignore) = |
| 641 | mDecoder->DecodeToUTF16(aBuffer, handle.AsSpan().From(len), aLast); |
| 642 | MOZ_ASSERT(result == kInputEmpty)do { static_assert( mozilla::detail::AssertionConditionType< decltype(result == kInputEmpty)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(result == kInputEmpty))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("result == kInputEmpty" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 642); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "result == kInputEmpty" ")"); do { MOZ_CrashSequence (__null, 642); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 643 | MOZ_ASSERT(read == aBuffer.Length())do { static_assert( mozilla::detail::AssertionConditionType< decltype(read == aBuffer.Length())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(read == aBuffer.Length()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("read == aBuffer.Length()" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 643); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "read == aBuffer.Length()" ")"); do { MOZ_CrashSequence (__null, 643); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 644 | len += written; |
| 645 | MOZ_ASSERT(len <= destBufferLen.value())do { static_assert( mozilla::detail::AssertionConditionType< decltype(len <= destBufferLen.value())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(len <= destBufferLen.value ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("len <= destBufferLen.value()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 645); AnnotateMozCrashReason("MOZ_ASSERT" "(" "len <= destBufferLen.value()" ")"); do { MOZ_CrashSequence(__null, 645); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 646 | handle.Finish(len, false); |
| 647 | } // release mutex |
| 648 | |
| 649 | if (aLast) { |
| 650 | // Drop the finished decoder to avoid calling into a decoder |
| 651 | // that has finished. |
| 652 | mDecoder = nullptr; |
| 653 | mEofDecoded = true; |
| 654 | } |
| 655 | return NS_OK; |
| 656 | } |
| 657 | |
| 658 | void XMLHttpRequestMainThread::GetResponseText(DOMString& aResponseText, |
| 659 | ErrorResult& aRv) { |
| 660 | MOZ_DIAGNOSTIC_ASSERT(!mForWorker)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mForWorker)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mForWorker))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mForWorker", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 660); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!mForWorker" ")"); do { MOZ_CrashSequence(__null, 660); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 661 | |
| 662 | XMLHttpRequestStringSnapshot snapshot; |
| 663 | GetResponseText(snapshot, aRv); |
| 664 | if (aRv.Failed()) { |
| 665 | return; |
| 666 | } |
| 667 | |
| 668 | if (!snapshot.GetAsString(aResponseText)) { |
| 669 | aRv.Throw(NS_ERROR_OUT_OF_MEMORY); |
| 670 | return; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | void XMLHttpRequestMainThread::GetResponseText( |
| 675 | XMLHttpRequestStringSnapshot& aSnapshot, ErrorResult& aRv) { |
| 676 | aSnapshot.Reset(); |
| 677 | |
| 678 | if (mResponseType != XMLHttpRequestResponseType::_empty && |
| 679 | mResponseType != XMLHttpRequestResponseType::Text) { |
| 680 | aRv.ThrowInvalidStateError( |
| 681 | "responseText is only available if responseType is '' or 'text'."); |
| 682 | return; |
| 683 | } |
| 684 | |
| 685 | if (mState != XMLHttpRequest_Binding::LOADING && |
| 686 | mState != XMLHttpRequest_Binding::DONE) { |
| 687 | return; |
| 688 | } |
| 689 | |
| 690 | // Main Fetch step 18 requires to ignore body for head/connect methods. |
| 691 | if (mRequestMethod.EqualsLiteral("HEAD") || |
| 692 | mRequestMethod.EqualsLiteral("CONNECT")) { |
| 693 | return; |
| 694 | } |
| 695 | |
| 696 | // We only decode text lazily if we're also parsing to a doc. |
| 697 | // Also, if we've decoded all current data already, then no need to decode |
| 698 | // more. |
| 699 | if ((!mResponseXML && !mErrorParsingXML) || |
| 700 | (mResponseBodyDecodedPos == mResponseBody.Length() && |
| 701 | (mState != XMLHttpRequest_Binding::DONE || mEofDecoded))) { |
| 702 | mResponseText.CreateSnapshot(aSnapshot); |
| 703 | return; |
| 704 | } |
| 705 | |
| 706 | MatchCharsetAndDecoderToResponseDocument(); |
| 707 | |
| 708 | MOZ_ASSERT(mResponseBodyDecodedPos < mResponseBody.Length() ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding:: DONE))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE" " (" "Unexpected mResponseBodyDecodedPos" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 710); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE" ") (" "Unexpected mResponseBodyDecodedPos" ")"); do { MOZ_CrashSequence (__null, 710); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false) |
| 709 | mState == XMLHttpRequest_Binding::DONE,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding:: DONE))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE" " (" "Unexpected mResponseBodyDecodedPos" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 710); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE" ") (" "Unexpected mResponseBodyDecodedPos" ")"); do { MOZ_CrashSequence (__null, 710); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false) |
| 710 | "Unexpected mResponseBodyDecodedPos")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding:: DONE))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE" " (" "Unexpected mResponseBodyDecodedPos" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 710); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mResponseBodyDecodedPos < mResponseBody.Length() || mState == XMLHttpRequest_Binding::DONE" ") (" "Unexpected mResponseBodyDecodedPos" ")"); do { MOZ_CrashSequence (__null, 710); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 711 | Span<const uint8_t> span = mResponseBody; |
| 712 | aRv = AppendToResponseText(span.From(mResponseBodyDecodedPos), |
| 713 | mState == XMLHttpRequest_Binding::DONE); |
| 714 | if (aRv.Failed()) { |
| 715 | return; |
| 716 | } |
| 717 | |
| 718 | mResponseBodyDecodedPos = mResponseBody.Length(); |
| 719 | |
| 720 | if (mEofDecoded) { |
| 721 | // Free memory buffer which we no longer need |
| 722 | mResponseBody.Truncate(); |
| 723 | mResponseBodyDecodedPos = 0; |
| 724 | } |
| 725 | |
| 726 | mResponseText.CreateSnapshot(aSnapshot); |
| 727 | } |
| 728 | |
| 729 | nsresult XMLHttpRequestMainThread::CreateResponseParsedJSON(JSContext* aCx) { |
| 730 | if (!aCx) { |
| 731 | return NS_ERROR_FAILURE; |
| 732 | } |
| 733 | |
| 734 | nsAutoString string; |
| 735 | nsresult rv = GetResponseTextForJSON(string); |
| 736 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 736)) { |
| 737 | return rv; |
| 738 | } |
| 739 | |
| 740 | // The Unicode converter has already zapped the BOM if there was one |
| 741 | JS::Rooted<JS::Value> value(aCx); |
| 742 | if (!JS_ParseJSON(aCx, string.BeginReading(), string.Length(), &value)) { |
| 743 | return NS_ERROR_FAILURE; |
| 744 | } |
| 745 | |
| 746 | mResultJSON = value; |
| 747 | return NS_OK; |
| 748 | } |
| 749 | |
| 750 | void XMLHttpRequestMainThread::SetResponseType( |
| 751 | XMLHttpRequestResponseType aResponseType, ErrorResult& aRv) { |
| 752 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 753 | |
| 754 | if (mState == XMLHttpRequest_Binding::LOADING || |
| 755 | mState == XMLHttpRequest_Binding::DONE) { |
| 756 | aRv.ThrowInvalidStateError( |
| 757 | "Cannot set 'responseType' property on XMLHttpRequest after 'send()' " |
| 758 | "(when its state is LOADING or DONE)."); |
| 759 | return; |
| 760 | } |
| 761 | |
| 762 | // sync request is not allowed setting responseType in window context |
| 763 | if (HasOrHasHadOwnerWindow() && mState != XMLHttpRequest_Binding::UNSENT && |
| 764 | mFlagSynchronous) { |
| 765 | LogMessage("ResponseTypeSyncXHRWarning", GetOwnerWindow()); |
| 766 | aRv.ThrowInvalidAccessError( |
| 767 | "synchronous XMLHttpRequests do not support timeout and responseType"); |
| 768 | return; |
| 769 | } |
| 770 | |
| 771 | // Set the responseType attribute's value to the given value. |
| 772 | SetResponseTypeRaw(aResponseType); |
| 773 | } |
| 774 | |
| 775 | void XMLHttpRequestMainThread::GetResponse( |
| 776 | JSContext* aCx, JS::MutableHandle<JS::Value> aResponse, ErrorResult& aRv) { |
| 777 | MOZ_DIAGNOSTIC_ASSERT(!mForWorker)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mForWorker)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mForWorker))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mForWorker", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 777); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!mForWorker" ")"); do { MOZ_CrashSequence(__null, 777); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 778 | |
| 779 | switch (mResponseType) { |
| 780 | case XMLHttpRequestResponseType::_empty: |
| 781 | case XMLHttpRequestResponseType::Text: { |
| 782 | DOMString str; |
| 783 | GetResponseText(str, aRv); |
| 784 | if (aRv.Failed()) { |
| 785 | return; |
| 786 | } |
| 787 | if (!xpc::StringToJsval(aCx, str, aResponse)) { |
| 788 | aRv.Throw(NS_ERROR_OUT_OF_MEMORY); |
| 789 | } |
| 790 | return; |
| 791 | } |
| 792 | |
| 793 | case XMLHttpRequestResponseType::Arraybuffer: { |
| 794 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 795 | aResponse.setNull(); |
| 796 | return; |
| 797 | } |
| 798 | |
| 799 | if (!mResultArrayBuffer) { |
| 800 | mResultArrayBuffer = mArrayBufferBuilder->TakeArrayBuffer(aCx); |
| 801 | if (!mResultArrayBuffer) { |
| 802 | aRv.Throw(NS_ERROR_OUT_OF_MEMORY); |
| 803 | return; |
| 804 | } |
| 805 | } |
| 806 | aResponse.setObject(*mResultArrayBuffer); |
| 807 | return; |
| 808 | } |
| 809 | case XMLHttpRequestResponseType::Blob: { |
| 810 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 811 | aResponse.setNull(); |
| 812 | return; |
| 813 | } |
| 814 | |
| 815 | if (!mResponseBlobImpl) { |
| 816 | aResponse.setNull(); |
| 817 | return; |
| 818 | } |
| 819 | |
| 820 | if (!mResponseBlob) { |
| 821 | mResponseBlob = Blob::Create(GetRelevantGlobal(), mResponseBlobImpl); |
| 822 | } |
| 823 | |
| 824 | if (!GetOrCreateDOMReflector(aCx, mResponseBlob, aResponse)) { |
| 825 | aResponse.setNull(); |
| 826 | } |
| 827 | |
| 828 | return; |
| 829 | } |
| 830 | case XMLHttpRequestResponseType::Document: { |
| 831 | if (!mResponseXML || mState != XMLHttpRequest_Binding::DONE) { |
| 832 | aResponse.setNull(); |
| 833 | return; |
| 834 | } |
| 835 | |
| 836 | aRv = |
| 837 | nsContentUtils::WrapNative(aCx, ToSupports(mResponseXML), aResponse); |
| 838 | return; |
| 839 | } |
| 840 | case XMLHttpRequestResponseType::Json: { |
| 841 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 842 | aResponse.setNull(); |
| 843 | return; |
| 844 | } |
| 845 | |
| 846 | if (mResultJSON.isUndefined()) { |
| 847 | aRv = CreateResponseParsedJSON(aCx); |
| 848 | TruncateResponseText(); |
| 849 | if (aRv.Failed()) { |
| 850 | // Per spec, errors aren't propagated. null is returned instead. |
| 851 | aRv = NS_OK; |
| 852 | // It would be nice to log the error to the console. That's hard to |
| 853 | // do without calling window.onerror as a side effect, though. |
| 854 | JS_ClearPendingException(aCx); |
| 855 | mResultJSON.setNull(); |
| 856 | } |
| 857 | } |
| 858 | aResponse.set(mResultJSON); |
| 859 | return; |
| 860 | } |
| 861 | default: |
| 862 | NS_ERROR("Should not happen")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "Should not happen", "Error" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 862); MOZ_PretendNoReturn (); } while (0); |
| 863 | } |
| 864 | |
| 865 | aResponse.setNull(); |
| 866 | } |
| 867 | |
| 868 | already_AddRefed<BlobImpl> XMLHttpRequestMainThread::GetResponseBlobImpl() { |
| 869 | MOZ_DIAGNOSTIC_ASSERT(mForWorker)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mForWorker)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mForWorker))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mForWorker", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 869); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "mForWorker" ")"); do { MOZ_CrashSequence(__null, 869); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 870 | MOZ_DIAGNOSTIC_ASSERT(mResponseType == XMLHttpRequestResponseType::Blob)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseType == XMLHttpRequestResponseType::Blob)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mResponseType == XMLHttpRequestResponseType::Blob))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("mResponseType == XMLHttpRequestResponseType::Blob" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 870); AnnotateMozCrashReason ("MOZ_DIAGNOSTIC_ASSERT" "(" "mResponseType == XMLHttpRequestResponseType::Blob" ")"); do { MOZ_CrashSequence(__null, 870); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 871 | |
| 872 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 873 | return nullptr; |
| 874 | } |
| 875 | |
| 876 | RefPtr<BlobImpl> blobImpl = mResponseBlobImpl; |
| 877 | return blobImpl.forget(); |
| 878 | } |
| 879 | |
| 880 | already_AddRefed<ArrayBufferBuilder> |
| 881 | XMLHttpRequestMainThread::GetResponseArrayBufferBuilder() { |
| 882 | MOZ_DIAGNOSTIC_ASSERT(mForWorker)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mForWorker)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mForWorker))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mForWorker", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 882); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "mForWorker" ")"); do { MOZ_CrashSequence(__null, 882); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 883 | MOZ_DIAGNOSTIC_ASSERT(mResponseType ==do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseType == XMLHttpRequestResponseType::Arraybuffer )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mResponseType == XMLHttpRequestResponseType::Arraybuffer ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mResponseType == XMLHttpRequestResponseType::Arraybuffer", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 884); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "mResponseType == XMLHttpRequestResponseType::Arraybuffer" ")"); do { MOZ_CrashSequence(__null, 884); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 884 | XMLHttpRequestResponseType::Arraybuffer)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseType == XMLHttpRequestResponseType::Arraybuffer )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mResponseType == XMLHttpRequestResponseType::Arraybuffer ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mResponseType == XMLHttpRequestResponseType::Arraybuffer", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 884); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "mResponseType == XMLHttpRequestResponseType::Arraybuffer" ")"); do { MOZ_CrashSequence(__null, 884); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 885 | |
| 886 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 887 | return nullptr; |
| 888 | } |
| 889 | |
| 890 | RefPtr<ArrayBufferBuilder> builder = mArrayBufferBuilder; |
| 891 | return builder.forget(); |
| 892 | } |
| 893 | |
| 894 | nsresult XMLHttpRequestMainThread::GetResponseTextForJSON(nsAString& aString) { |
| 895 | if (mState != XMLHttpRequest_Binding::DONE) { |
| 896 | aString.SetIsVoid(true); |
| 897 | return NS_OK; |
| 898 | } |
| 899 | |
| 900 | if (!mResponseText.GetAsString(aString)) { |
| 901 | return NS_ERROR_OUT_OF_MEMORY; |
| 902 | } |
| 903 | |
| 904 | return NS_OK; |
| 905 | } |
| 906 | |
| 907 | bool XMLHttpRequestMainThread::IsCrossSiteCORSRequest() const { |
| 908 | if (!mChannel) { |
| 909 | return false; |
| 910 | } |
| 911 | |
| 912 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 913 | return loadInfo->GetTainting() == LoadTainting::CORS; |
| 914 | } |
| 915 | |
| 916 | bool XMLHttpRequestMainThread::IsDeniedCrossSiteCORSRequest() { |
| 917 | if (IsCrossSiteCORSRequest()) { |
| 918 | nsresult rv; |
| 919 | mChannel->GetStatus(&rv); |
| 920 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 921 | return true; |
| 922 | } |
| 923 | } |
| 924 | return false; |
| 925 | } |
| 926 | |
| 927 | bool XMLHttpRequestMainThread::BadContentRangeRequested() { |
| 928 | if (!mChannel) { |
| 929 | return false; |
| 930 | } |
| 931 | // Only BlobURLChannel supports this |
| 932 | RefPtr<BlobURLChannel> blobChan = do_QueryObject(mChannel); |
| 933 | if (!blobChan) { |
| 934 | return false; |
| 935 | } |
| 936 | // A bad range was requested if the channel has no content range |
| 937 | // despite the request specifying a range header. |
| 938 | return !blobChan->GetResponseContentRange() && |
| 939 | mAuthorRequestHeaders.Has("range"); |
| 940 | } |
| 941 | |
| 942 | RefPtr<mozilla::net::ContentRange> |
| 943 | XMLHttpRequestMainThread::GetRequestedContentRange() const { |
| 944 | MOZ_ASSERT(mChannel)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mChannel)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mChannel))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mChannel", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 944); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mChannel" ")" ); do { MOZ_CrashSequence(__null, 944); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 945 | RefPtr<BlobURLChannel> blobChan = do_QueryObject(mChannel); |
| 946 | if (!blobChan) { |
| 947 | return nullptr; |
| 948 | } |
| 949 | return blobChan->GetResponseContentRange(); |
| 950 | } |
| 951 | |
| 952 | void XMLHttpRequestMainThread::GetContentRangeHeader(nsACString& out) const { |
| 953 | if (!IsBlobURI(mRequestURL)) { |
| 954 | out.SetIsVoid(true); |
| 955 | return; |
| 956 | } |
| 957 | RefPtr<mozilla::net::ContentRange> range = GetRequestedContentRange(); |
| 958 | if (range) { |
| 959 | range->AsHeader(out); |
| 960 | } else { |
| 961 | out.SetIsVoid(true); |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | void XMLHttpRequestMainThread::GetResponseURL(nsACString& aUrl) { |
| 966 | aUrl.Truncate(); |
| 967 | |
| 968 | if ((mState == XMLHttpRequest_Binding::UNSENT || |
| 969 | mState == XMLHttpRequest_Binding::OPENED) || |
| 970 | !mChannel) { |
| 971 | return; |
| 972 | } |
| 973 | |
| 974 | // Make sure we don't leak responseURL information from denied cross-site |
| 975 | // requests. |
| 976 | if (IsDeniedCrossSiteCORSRequest()) { |
| 977 | return; |
| 978 | } |
| 979 | |
| 980 | nsCOMPtr<nsIURI> responseUrl; |
| 981 | if (NS_FAILED(NS_GetFinalChannelURI(mChannel, getter_AddRefs(responseUrl)))((bool)(__builtin_expect(!!(NS_FAILED_impl(NS_GetFinalChannelURI (mChannel, getter_AddRefs(responseUrl)))), 0)))) { |
| 982 | return; |
| 983 | } |
| 984 | |
| 985 | responseUrl->GetSpecIgnoringRef(aUrl); |
| 986 | } |
| 987 | |
| 988 | uint32_t XMLHttpRequestMainThread::GetStatus(ErrorResult& aRv) { |
| 989 | // Make sure we don't leak status information from denied cross-site |
| 990 | // requests. |
| 991 | if (IsDeniedCrossSiteCORSRequest()) { |
| 992 | return 0; |
| 993 | } |
| 994 | |
| 995 | if (mState == XMLHttpRequest_Binding::UNSENT || |
| 996 | mState == XMLHttpRequest_Binding::OPENED) { |
| 997 | return 0; |
| 998 | } |
| 999 | |
| 1000 | if (mErrorLoad != ErrorType::eOK) { |
| 1001 | // Let's simulate the http protocol for jar/app requests: |
| 1002 | nsCOMPtr<nsIJARChannel> jarChannel = GetCurrentJARChannel(); |
| 1003 | if (jarChannel) { |
| 1004 | nsresult status; |
| 1005 | mChannel->GetStatus(&status); |
| 1006 | |
| 1007 | if (status == NS_ERROR_FILE_NOT_FOUND) { |
| 1008 | return 404; // Not Found |
| 1009 | } else { |
| 1010 | return 500; // Internal Error |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
| 1017 | nsCOMPtr<nsIHttpChannel> httpChannel = GetCurrentHttpChannel(); |
| 1018 | if (!httpChannel) { |
| 1019 | // Pretend like we got a 200/206 response, since our load was successful |
| 1020 | return GetRequestedContentRange() ? 206 : 200; |
| 1021 | } |
| 1022 | |
| 1023 | uint32_t status; |
| 1024 | nsresult rv = httpChannel->GetResponseStatus(&status); |
| 1025 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1026 | status = 0; |
| 1027 | } |
| 1028 | |
| 1029 | return status; |
| 1030 | } |
| 1031 | |
| 1032 | void XMLHttpRequestMainThread::GetStatusText(nsACString& aStatusText, |
| 1033 | ErrorResult& aRv) { |
| 1034 | // Return an empty status text on all error loads. |
| 1035 | aStatusText.Truncate(); |
| 1036 | |
| 1037 | // Make sure we don't leak status information from denied cross-site |
| 1038 | // requests. |
| 1039 | if (IsDeniedCrossSiteCORSRequest()) { |
| 1040 | return; |
| 1041 | } |
| 1042 | |
| 1043 | // Check the current XHR state to see if it is valid to obtain the statusText |
| 1044 | // value. This check is to prevent the status text for redirects from being |
| 1045 | // available before all the redirects have been followed and HTTP headers have |
| 1046 | // been received. |
| 1047 | if (mState == XMLHttpRequest_Binding::UNSENT || |
| 1048 | mState == XMLHttpRequest_Binding::OPENED) { |
| 1049 | return; |
| 1050 | } |
| 1051 | |
| 1052 | if (mErrorLoad != ErrorType::eOK) { |
| 1053 | return; |
| 1054 | } |
| 1055 | |
| 1056 | nsCOMPtr<nsIHttpChannel> httpChannel = GetCurrentHttpChannel(); |
| 1057 | if (httpChannel) { |
| 1058 | (void)httpChannel->GetResponseStatusText(aStatusText); |
| 1059 | } else { |
| 1060 | aStatusText.AssignLiteral("OK"); |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | void XMLHttpRequestMainThread::TerminateOngoingFetch(nsresult detail) { |
| 1065 | DEBUG_WORKERREFSvoid(); |
| 1066 | if ((mState == XMLHttpRequest_Binding::OPENED && mFlagSend) || |
| 1067 | mState == XMLHttpRequest_Binding::HEADERS_RECEIVED || |
| 1068 | mState == XMLHttpRequest_Binding::LOADING) { |
| 1069 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Info,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "%p TerminateOngoingFetch(0x%" "x" ")", this , static_cast<uint32_t>(detail)); } } while (0) |
| 1070 | ("%p TerminateOngoingFetch(0x%" PRIx32 ")", this,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "%p TerminateOngoingFetch(0x%" "x" ")", this , static_cast<uint32_t>(detail)); } } while (0) |
| 1071 | static_cast<uint32_t>(detail)))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "%p TerminateOngoingFetch(0x%" "x" ")", this , static_cast<uint32_t>(detail)); } } while (0); |
| 1072 | CloseRequest(detail); |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | void XMLHttpRequestMainThread::CloseRequest(nsresult detail) { |
| 1077 | DEBUG_WORKERREFSvoid(); |
| 1078 | mWaitingForOnStopRequest = false; |
| 1079 | mErrorLoad = ErrorType::eTerminated; |
| 1080 | mErrorLoadDetail = detail; |
| 1081 | if (mChannel) { |
| 1082 | mChannel->CancelWithReason(NS_BINDING_ABORTED, |
| 1083 | "XMLHttpRequestMainThread::CloseRequest"_ns); |
| 1084 | } |
| 1085 | CancelTimeoutTimer(); |
| 1086 | if (mResponseXML) { |
| 1087 | mResponseXML->StopDocumentLoad(); |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | void XMLHttpRequestMainThread::CloseRequestWithError( |
| 1092 | const ErrorProgressEventType& aType) { |
| 1093 | DEBUG_WORKERREFSvoid(); |
| 1094 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p CloseRequestWithError(%s)", this, aType .cStr); } } while (0) |
| 1095 | ("%p CloseRequestWithError(%s)", this, aType.cStr))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p CloseRequestWithError(%s)", this, aType .cStr); } } while (0); |
| 1096 | |
| 1097 | CloseRequest(aType.errorCode); |
| 1098 | |
| 1099 | ResetResponse(); |
| 1100 | |
| 1101 | // If we're in the destructor, don't risk dispatching an event. |
| 1102 | if (mFlagDeleted) { |
| 1103 | mFlagSyncLooping = false; |
| 1104 | return; |
| 1105 | } |
| 1106 | |
| 1107 | if (mState != XMLHttpRequest_Binding::UNSENT && |
| 1108 | !(mState == XMLHttpRequest_Binding::OPENED && !mFlagSend) && |
| 1109 | mState != XMLHttpRequest_Binding::DONE) { |
| 1110 | ChangeState(XMLHttpRequest_Binding::DONE, true); |
| 1111 | |
| 1112 | if (!mFlagSyncLooping) { |
| 1113 | if (mUpload && !mUploadComplete) { |
| 1114 | mUploadComplete = true; |
| 1115 | DispatchProgressEvent(mUpload, aType, 0, -1); |
| 1116 | } |
| 1117 | DispatchProgressEvent(this, aType, 0, -1); |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | // The ChangeState call above calls onreadystatechange handlers which |
| 1122 | // if they load a new url will cause XMLHttpRequestMainThread::Open to clear |
| 1123 | // the abort state bit. If this occurs we're not uninitialized (bug 361773). |
| 1124 | if (mFlagAborted) { |
| 1125 | ChangeState(XMLHttpRequest_Binding::UNSENT, false); // IE seems to do it |
| 1126 | } |
| 1127 | |
| 1128 | mFlagSyncLooping = false; |
| 1129 | } |
| 1130 | |
| 1131 | void XMLHttpRequestMainThread::RequestErrorSteps( |
| 1132 | const ProgressEventType aEventType, const nsresult aOptionalException, |
| 1133 | ErrorResult& aRv) { |
| 1134 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p RequestErrorSteps(%s,0x%" "x" ")", this , aEventType.cStr, static_cast<uint32_t>(aOptionalException )); } } while (0) |
| 1135 | ("%p RequestErrorSteps(%s,0x%" PRIx32 ")", this, aEventType.cStr,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p RequestErrorSteps(%s,0x%" "x" ")", this , aEventType.cStr, static_cast<uint32_t>(aOptionalException )); } } while (0) |
| 1136 | static_cast<uint32_t>(aOptionalException)))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p RequestErrorSteps(%s,0x%" "x" ")", this , aEventType.cStr, static_cast<uint32_t>(aOptionalException )); } } while (0); |
| 1137 | |
| 1138 | // Cancel our timers first before setting our state to done, so we don't |
| 1139 | // trip any assertions if one fires and asserts that state != done. |
| 1140 | CancelTimeoutTimer(); |
| 1141 | CancelSyncTimeoutTimer(); |
| 1142 | StopProgressEventTimer(); |
| 1143 | |
| 1144 | // Step 1 |
| 1145 | mState = XMLHttpRequest_Binding::DONE; |
| 1146 | |
| 1147 | // Step 2 |
| 1148 | mFlagSend = false; |
| 1149 | |
| 1150 | // Step 3 |
| 1151 | ResetResponse(); |
| 1152 | |
| 1153 | // If we're in the destructor, don't risk dispatching an event. |
| 1154 | if (mFlagDeleted) { |
| 1155 | mFlagSyncLooping = false; |
| 1156 | return; |
| 1157 | } |
| 1158 | |
| 1159 | // Step 4 |
| 1160 | if (mFlagSynchronous && NS_FAILED(aOptionalException)((bool)(__builtin_expect(!!(NS_FAILED_impl(aOptionalException )), 0)))) { |
| 1161 | aRv.Throw(aOptionalException); |
| 1162 | return; |
| 1163 | } |
| 1164 | |
| 1165 | // Step 5 |
| 1166 | FireReadystatechangeEvent(); |
| 1167 | |
| 1168 | // Step 6 |
| 1169 | if (mUpload && !mUploadComplete) { |
| 1170 | // Step 6-1 |
| 1171 | mUploadComplete = true; |
| 1172 | |
| 1173 | // Step 6-2 |
| 1174 | if (mFlagHadUploadListenersOnSend) { |
| 1175 | // Steps 6-3, 6-4 (loadend is fired for us) |
| 1176 | DispatchProgressEvent(mUpload, aEventType, 0, -1); |
| 1177 | } |
| 1178 | } |
| 1179 | |
| 1180 | // Steps 7 and 8 (loadend is fired for us) |
| 1181 | DispatchProgressEvent(this, aEventType, 0, -1); |
| 1182 | } |
| 1183 | |
| 1184 | void XMLHttpRequestMainThread::Abort(ErrorResult& aRv) { |
| 1185 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 1186 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Debug, ("%p Abort()", this))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p Abort()", this); } } while (0); |
| 1187 | AbortInternal(aRv); |
| 1188 | } |
| 1189 | |
| 1190 | void XMLHttpRequestMainThread::AbortInternal(ErrorResult& aRv) { |
| 1191 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Debug, ("%p AbortInternal()", this))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p AbortInternal()", this); } } while (0); |
| 1192 | mFlagAborted = true; |
| 1193 | DisconnectDoneNotifier(); |
| 1194 | |
| 1195 | // Step 1 |
| 1196 | TerminateOngoingFetch(NS_ERROR_DOM_ABORT_ERR); |
| 1197 | |
| 1198 | // Step 2 |
| 1199 | if ((mState == XMLHttpRequest_Binding::OPENED && mFlagSend) || |
| 1200 | mState == XMLHttpRequest_Binding::HEADERS_RECEIVED || |
| 1201 | mState == XMLHttpRequest_Binding::LOADING) { |
| 1202 | RequestErrorSteps(Events::abort, NS_ERROR_DOM_ABORT_ERR, aRv); |
| 1203 | } |
| 1204 | |
| 1205 | // Step 3 |
| 1206 | if (mState == XMLHttpRequest_Binding::DONE) { |
| 1207 | ChangeState(XMLHttpRequest_Binding::UNSENT, |
| 1208 | false); // no ReadystateChange event |
| 1209 | } |
| 1210 | |
| 1211 | mFlagSyncLooping = false; |
| 1212 | } |
| 1213 | |
| 1214 | /*Method that checks if it is safe to expose a header value to the client. |
| 1215 | It is used to check what headers are exposed for CORS requests.*/ |
| 1216 | bool XMLHttpRequestMainThread::IsSafeHeader( |
| 1217 | const nsACString& aHeader, NotNull<nsIHttpChannel*> aHttpChannel) const { |
| 1218 | // See bug #380418. Hide "Set-Cookie" headers from non-chrome scripts. |
| 1219 | if (!IsSystemXHR() && nsContentUtils::IsForbiddenResponseHeader(aHeader)) { |
| 1220 | NS_WARNING("blocked access to response header")NS_DebugBreak(NS_DEBUG_WARNING, "blocked access to response header" , nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1220); |
| 1221 | return false; |
| 1222 | } |
| 1223 | // if this is not a CORS call all headers are safe |
| 1224 | if (!IsCrossSiteCORSRequest()) { |
| 1225 | return true; |
| 1226 | } |
| 1227 | // Check for dangerous headers |
| 1228 | // Make sure we don't leak header information from denied cross-site |
| 1229 | // requests. |
| 1230 | if (mChannel) { |
| 1231 | nsresult status; |
| 1232 | mChannel->GetStatus(&status); |
| 1233 | if (NS_FAILED(status)((bool)(__builtin_expect(!!(NS_FAILED_impl(status)), 0)))) { |
| 1234 | return false; |
| 1235 | } |
| 1236 | } |
| 1237 | const char* kCrossOriginSafeHeaders[] = { |
| 1238 | "cache-control", "content-language", "content-type", "content-length", |
| 1239 | "expires", "last-modified", "pragma"}; |
| 1240 | for (auto& kCrossOriginSafeHeader : kCrossOriginSafeHeaders) { |
| 1241 | if (aHeader.LowerCaseEqualsASCII(kCrossOriginSafeHeader)) { |
| 1242 | return true; |
| 1243 | } |
| 1244 | } |
| 1245 | nsAutoCString headerVal; |
| 1246 | // The "Access-Control-Expose-Headers" header contains a comma separated |
| 1247 | // list of method names. |
| 1248 | (void)aHttpChannel->GetResponseHeader("Access-Control-Expose-Headers"_ns, |
| 1249 | headerVal); |
| 1250 | bool isSafe = false; |
| 1251 | for (const nsACString& token : |
| 1252 | nsCCharSeparatedTokenizer(headerVal, ',').ToRange()) { |
| 1253 | if (token.IsEmpty()) { |
| 1254 | continue; |
| 1255 | } |
| 1256 | if (!NS_IsValidHTTPToken(token)) { |
| 1257 | return false; |
| 1258 | } |
| 1259 | |
| 1260 | if (token.EqualsLiteral("*") && !mFlagACwithCredentials) { |
| 1261 | isSafe = true; |
| 1262 | } else if (aHeader.Equals(token, nsCaseInsensitiveCStringComparator)) { |
| 1263 | isSafe = true; |
| 1264 | } |
| 1265 | } |
| 1266 | |
| 1267 | return isSafe; |
| 1268 | } |
| 1269 | |
| 1270 | bool XMLHttpRequestMainThread::GetContentType(nsACString& aValue) const { |
| 1271 | MOZ_ASSERT(mChannel)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mChannel)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mChannel))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mChannel", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1271); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mChannel" ")" ); do { MOZ_CrashSequence(__null, 1271); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1272 | nsCOMPtr<nsIBaseChannel> baseChan = do_QueryInterface(mChannel); |
| 1273 | if (baseChan) { |
| 1274 | RefPtr<CMimeType> fullMimeType(baseChan->FullMimeType()); |
| 1275 | if (fullMimeType) { |
| 1276 | fullMimeType->Serialize(aValue); |
| 1277 | return true; |
| 1278 | } |
| 1279 | } |
| 1280 | if (NS_SUCCEEDED(mChannel->GetContentType(aValue))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mChannel->GetContentType (aValue))), 1)))) { |
| 1281 | nsCString value; |
| 1282 | if (NS_SUCCEEDED(mChannel->GetContentCharset(value))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mChannel->GetContentCharset (value))), 1))) && !value.IsEmpty()) { |
| 1283 | aValue.AppendLiteral(";charset="); |
| 1284 | aValue.Append(value); |
| 1285 | } |
| 1286 | return true; |
| 1287 | } |
| 1288 | return false; |
| 1289 | } |
| 1290 | void XMLHttpRequestMainThread::GetAllResponseHeaders( |
| 1291 | nsACString& aResponseHeaders, ErrorResult& aRv) { |
| 1292 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 1293 | |
| 1294 | aResponseHeaders.Truncate(); |
| 1295 | |
| 1296 | // If the state is UNSENT or OPENED, |
| 1297 | // return the empty string and terminate these steps. |
| 1298 | if (mState == XMLHttpRequest_Binding::UNSENT || |
| 1299 | mState == XMLHttpRequest_Binding::OPENED) { |
| 1300 | return; |
| 1301 | } |
| 1302 | |
| 1303 | if (mErrorLoad != ErrorType::eOK) { |
| 1304 | return; |
| 1305 | } |
| 1306 | |
| 1307 | if (nsCOMPtr<nsIHttpChannel> httpChannel = GetCurrentHttpChannel()) { |
| 1308 | RefPtr<nsHeaderVisitor> visitor = |
| 1309 | new nsHeaderVisitor(*this, WrapNotNull(httpChannel)); |
| 1310 | if (NS_SUCCEEDED(httpChannel->VisitResponseHeaders(visitor))((bool)(__builtin_expect(!!(!NS_FAILED_impl(httpChannel->VisitResponseHeaders (visitor))), 1)))) { |
| 1311 | aResponseHeaders = visitor->Headers(); |
| 1312 | } |
| 1313 | return; |
| 1314 | } |
| 1315 | |
| 1316 | if (!mChannel) { |
| 1317 | return; |
| 1318 | } |
| 1319 | |
| 1320 | // Even non-http channels supply content type. |
| 1321 | nsAutoCString value; |
| 1322 | if (GetContentType(value)) { |
| 1323 | aResponseHeaders.AppendLiteral("Content-Type: "); |
| 1324 | aResponseHeaders.Append(value); |
| 1325 | aResponseHeaders.AppendLiteral("\r\n"); |
| 1326 | } |
| 1327 | |
| 1328 | // Don't provide Content-Length for data URIs |
| 1329 | nsCOMPtr<nsIURI> uri; |
| 1330 | if (NS_FAILED(mChannel->GetURI(getter_AddRefs(uri)))((bool)(__builtin_expect(!!(NS_FAILED_impl(mChannel->GetURI (getter_AddRefs(uri)))), 0))) || |
| 1331 | !uri->SchemeIs("data")) { |
| 1332 | int64_t length; |
| 1333 | if (NS_SUCCEEDED(mChannel->GetContentLength(&length))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mChannel->GetContentLength (&length))), 1)))) { |
| 1334 | aResponseHeaders.AppendLiteral("Content-Length: "); |
| 1335 | aResponseHeaders.AppendInt(length); |
| 1336 | aResponseHeaders.AppendLiteral("\r\n"); |
| 1337 | } |
| 1338 | } |
| 1339 | |
| 1340 | // Should set a Content-Range header for blob scheme. |
| 1341 | // From https://fetch.spec.whatwg.org/#scheme-fetch 3.blob.9.20: |
| 1342 | // "Set response’s header list to «(`Content-Length`, serializedSlicedLength), |
| 1343 | // (`Content-Type`, type), (`Content-Range`, contentRange)»." |
| 1344 | GetContentRangeHeader(value); |
| 1345 | if (!value.IsVoid()) { |
| 1346 | aResponseHeaders.AppendLiteral("Content-Range: "); |
| 1347 | aResponseHeaders.Append(value); |
| 1348 | aResponseHeaders.AppendLiteral("\r\n"); |
| 1349 | } |
| 1350 | } |
| 1351 | |
| 1352 | void XMLHttpRequestMainThread::GetResponseHeader(const nsACString& header, |
| 1353 | nsACString& _retval, |
| 1354 | ErrorResult& aRv) { |
| 1355 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 1356 | |
| 1357 | _retval.SetIsVoid(true); |
| 1358 | |
| 1359 | nsCOMPtr<nsIHttpChannel> httpChannel = GetCurrentHttpChannel(); |
| 1360 | |
| 1361 | if (!httpChannel) { |
| 1362 | // If the state is UNSENT or OPENED, |
| 1363 | // return null and terminate these steps. |
| 1364 | if (mState == XMLHttpRequest_Binding::UNSENT || |
| 1365 | mState == XMLHttpRequest_Binding::OPENED) { |
| 1366 | return; |
| 1367 | } |
| 1368 | |
| 1369 | // Even non-http channels supply content type and content length. |
| 1370 | // Remember we don't leak header information from denied cross-site |
| 1371 | // requests. However, we handle file: and blob: URLs for blob response |
| 1372 | // types by canceling them with a specific error, so we have to allow |
| 1373 | // them to pass through this check. |
| 1374 | nsresult status; |
| 1375 | if (!mChannel || NS_FAILED(mChannel->GetStatus(&status))((bool)(__builtin_expect(!!(NS_FAILED_impl(mChannel->GetStatus (&status))), 0))) || |
| 1376 | (NS_FAILED(status)((bool)(__builtin_expect(!!(NS_FAILED_impl(status)), 0))) && status != NS_ERROR_FILE_ALREADY_EXISTS)) { |
| 1377 | return; |
| 1378 | } |
| 1379 | |
| 1380 | // Content Type: |
| 1381 | if (header.LowerCaseEqualsASCII("content-type")) { |
| 1382 | if (!GetContentType(_retval)) { |
| 1383 | // Means no content type |
| 1384 | _retval.SetIsVoid(true); |
| 1385 | return; |
| 1386 | } |
| 1387 | } |
| 1388 | |
| 1389 | // Content Length: |
| 1390 | else if (header.LowerCaseEqualsASCII("content-length")) { |
| 1391 | int64_t length; |
| 1392 | if (NS_SUCCEEDED(mChannel->GetContentLength(&length))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mChannel->GetContentLength (&length))), 1)))) { |
| 1393 | _retval.AppendInt(length); |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | // Content Range: |
| 1398 | else if (header.LowerCaseEqualsASCII("content-range")) { |
| 1399 | GetContentRangeHeader(_retval); |
| 1400 | } |
| 1401 | |
| 1402 | return; |
| 1403 | } |
| 1404 | |
| 1405 | // Check for dangerous headers |
| 1406 | if (!IsSafeHeader(header, WrapNotNull(httpChannel))) { |
| 1407 | return; |
| 1408 | } |
| 1409 | |
| 1410 | aRv = httpChannel->GetResponseHeader(header, _retval); |
| 1411 | if (aRv.ErrorCodeIs(NS_ERROR_NOT_AVAILABLE)) { |
| 1412 | // Means no header |
| 1413 | _retval.SetIsVoid(true); |
| 1414 | aRv.SuppressException(); |
| 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | already_AddRefed<nsILoadGroup> XMLHttpRequestMainThread::GetLoadGroup() const { |
| 1419 | if (mFlagBackgroundRequest) { |
| 1420 | return nullptr; |
| 1421 | } |
| 1422 | |
| 1423 | if (mLoadGroup) { |
| 1424 | nsCOMPtr<nsILoadGroup> ref = mLoadGroup; |
| 1425 | return ref.forget(); |
| 1426 | } |
| 1427 | |
| 1428 | Document* doc = GetDocumentIfCurrent(); |
| 1429 | if (doc) { |
| 1430 | return doc->GetDocumentLoadGroup(); |
| 1431 | } |
| 1432 | |
| 1433 | return nullptr; |
| 1434 | } |
| 1435 | |
| 1436 | nsresult XMLHttpRequestMainThread::FireReadystatechangeEvent() { |
| 1437 | MOZ_ASSERT(mState != XMLHttpRequest_Binding::UNSENT)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mState != XMLHttpRequest_Binding::UNSENT)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mState != XMLHttpRequest_Binding::UNSENT))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mState != XMLHttpRequest_Binding::UNSENT" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1437); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mState != XMLHttpRequest_Binding::UNSENT" ")" ); do { MOZ_CrashSequence(__null, 1437); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1438 | RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr); |
| 1439 | event->InitEvent(kLiteralString_readystatechange, false, false); |
| 1440 | // We assume anyone who managed to call CreateReadystatechangeEvent is trusted |
| 1441 | event->SetTrusted(true); |
| 1442 | DispatchOrStoreEvent(this, event); |
| 1443 | return NS_OK; |
| 1444 | } |
| 1445 | |
| 1446 | void XMLHttpRequestMainThread::DispatchProgressEvent( |
| 1447 | DOMEventTargetHelper* aTarget, const ProgressEventType& aType, |
| 1448 | int64_t aLoaded, int64_t aTotal) { |
| 1449 | DEBUG_WORKERREFSvoid(); |
| 1450 | NS_ASSERTION(aTarget, "null target")do { if (!(aTarget)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "null target" , "aTarget", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1450); MOZ_PretendNoReturn(); } } while (0); |
| 1451 | |
| 1452 | if (NS_FAILED(CheckCurrentGlobalCorrectness())((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0))) || |
| 1453 | (!AllowUploadProgress() && aTarget == mUpload)) { |
| 1454 | return; |
| 1455 | } |
| 1456 | |
| 1457 | // If blocked by CORS, zero-out the stats on progress events |
| 1458 | // and never fire "progress" or "load" events at all. |
| 1459 | if (IsDeniedCrossSiteCORSRequest()) { |
| 1460 | if (aType == Events::progress || aType == Events::load) { |
| 1461 | return; |
| 1462 | } |
| 1463 | aLoaded = 0; |
| 1464 | aTotal = -1; |
| 1465 | } |
| 1466 | |
| 1467 | ProgressEventInit init; |
| 1468 | init.mBubbles = false; |
| 1469 | init.mCancelable = false; |
| 1470 | init.mLengthComputable = aTotal != -1; // XHR spec step 6.1 |
| 1471 | init.mLoaded = aLoaded; |
| 1472 | init.mTotal = (aTotal == -1) ? 0 : aTotal; |
| 1473 | |
| 1474 | RefPtr<ProgressEvent> event = |
| 1475 | ProgressEvent::Constructor(aTarget, aType, init); |
| 1476 | event->SetTrusted(true); |
| 1477 | |
| 1478 | MOZ_LOG(do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "firing %s event (%u,%u,%" "l" "u" ",%" "l" "u" ")", aType.cStr, aTarget == mUpload, aTotal != -1, aLoaded , (aTotal == -1) ? 0 : aTotal); } } while (0) |
| 1479 | gXMLHttpRequestLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "firing %s event (%u,%u,%" "l" "u" ",%" "l" "u" ")", aType.cStr, aTarget == mUpload, aTotal != -1, aLoaded , (aTotal == -1) ? 0 : aTotal); } } while (0) |
| 1480 | ("firing %s event (%u,%u,%" PRIu64 ",%" PRIu64 ")", aType.cStr,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "firing %s event (%u,%u,%" "l" "u" ",%" "l" "u" ")", aType.cStr, aTarget == mUpload, aTotal != -1, aLoaded , (aTotal == -1) ? 0 : aTotal); } } while (0) |
| 1481 | aTarget == mUpload, aTotal != -1, aLoaded, (aTotal == -1) ? 0 : aTotal))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "firing %s event (%u,%u,%" "l" "u" ",%" "l" "u" ")", aType.cStr, aTarget == mUpload, aTotal != -1, aLoaded , (aTotal == -1) ? 0 : aTotal); } } while (0); |
| 1482 | |
| 1483 | DispatchOrStoreEvent(aTarget, event); |
| 1484 | |
| 1485 | // If we're sending a load, error, timeout or abort event, then |
| 1486 | // also dispatch the subsequent loadend event. |
| 1487 | if (aType == Events::load || aType == Events::error || |
| 1488 | aType == Events::timeout || aType == Events::abort) { |
| 1489 | DispatchProgressEvent(aTarget, Events::loadend, aLoaded, aTotal); |
| 1490 | } |
| 1491 | } |
| 1492 | |
| 1493 | void XMLHttpRequestMainThread::DispatchOrStoreEvent( |
| 1494 | DOMEventTargetHelper* aTarget, Event* aEvent) { |
| 1495 | DEBUG_WORKERREFSvoid(); |
| 1496 | MOZ_ASSERT(aTarget)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aTarget)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aTarget))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aTarget", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1496); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aTarget" ")" ); do { MOZ_CrashSequence(__null, 1496); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1497 | MOZ_ASSERT(aEvent)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aEvent)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(aEvent))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aEvent", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1497); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aEvent" ")" ); do { MOZ_CrashSequence(__null, 1497); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1498 | |
| 1499 | if (NS_FAILED(CheckCurrentGlobalCorrectness())((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0)))) { |
| 1500 | return; |
| 1501 | } |
| 1502 | |
| 1503 | if (mEventDispatchingSuspended) { |
| 1504 | PendingEvent* event = mPendingEvents.AppendElement(); |
| 1505 | event->mTarget = aTarget; |
| 1506 | event->mEvent = aEvent; |
| 1507 | return; |
| 1508 | } |
| 1509 | |
| 1510 | aTarget->DispatchEvent(*aEvent); |
| 1511 | } |
| 1512 | |
| 1513 | void XMLHttpRequestMainThread::SuspendEventDispatching() { |
| 1514 | MOZ_ASSERT(!mEventDispatchingSuspended)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mEventDispatchingSuspended)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mEventDispatchingSuspended) )), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mEventDispatchingSuspended" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1514); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!mEventDispatchingSuspended" ")"); do { MOZ_CrashSequence (__null, 1514); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1515 | mEventDispatchingSuspended = true; |
| 1516 | } |
| 1517 | |
| 1518 | void XMLHttpRequestMainThread::ResumeEventDispatching() { |
| 1519 | MOZ_ASSERT(mEventDispatchingSuspended)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mEventDispatchingSuspended)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mEventDispatchingSuspended)) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mEventDispatchingSuspended" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1519); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mEventDispatchingSuspended" ")"); do { MOZ_CrashSequence (__null, 1519); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1520 | mEventDispatchingSuspended = false; |
| 1521 | |
| 1522 | nsTArray<PendingEvent> pendingEvents = std::move(mPendingEvents); |
| 1523 | |
| 1524 | if (NS_FAILED(CheckCurrentGlobalCorrectness())((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0)))) { |
| 1525 | return; |
| 1526 | } |
| 1527 | |
| 1528 | for (uint32_t i = 0; i < pendingEvents.Length(); ++i) { |
| 1529 | pendingEvents[i].mTarget->DispatchEvent(*pendingEvents[i].mEvent); |
| 1530 | } |
| 1531 | } |
| 1532 | |
| 1533 | already_AddRefed<nsIHttpChannel> |
| 1534 | XMLHttpRequestMainThread::GetCurrentHttpChannel() { |
| 1535 | nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel); |
| 1536 | return httpChannel.forget(); |
| 1537 | } |
| 1538 | |
| 1539 | already_AddRefed<nsIJARChannel> |
| 1540 | XMLHttpRequestMainThread::GetCurrentJARChannel() { |
| 1541 | nsCOMPtr<nsIJARChannel> appChannel = do_QueryInterface(mChannel); |
| 1542 | return appChannel.forget(); |
| 1543 | } |
| 1544 | |
| 1545 | bool XMLHttpRequestMainThread::IsSystemXHR() const { |
| 1546 | return mIsSystem || mPrincipal->IsSystemPrincipal(); |
| 1547 | } |
| 1548 | |
| 1549 | bool XMLHttpRequestMainThread::InUploadPhase() const { |
| 1550 | // We're in the upload phase while our state is OPENED. |
| 1551 | return mState == XMLHttpRequest_Binding::OPENED; |
| 1552 | } |
| 1553 | |
| 1554 | // This case is hit when the async parameter is outright omitted, which |
| 1555 | // should set it to true (and the username and password to null). |
| 1556 | void XMLHttpRequestMainThread::Open(const nsACString& aMethod, |
| 1557 | const nsACString& aUrl, ErrorResult& aRv) { |
| 1558 | Open(aMethod, aUrl, true, VoidCString(), VoidCString(), aRv); |
| 1559 | } |
| 1560 | |
| 1561 | // This case is hit when the async parameter is specified, even if the |
| 1562 | // JS value was "undefined" (which due to legacy reasons should be |
| 1563 | // treated as true, which is how it will already be passed in here). |
| 1564 | void XMLHttpRequestMainThread::Open(const nsACString& aMethod, |
| 1565 | const nsACString& aUrl, bool aAsync, |
| 1566 | const nsACString& aUsername, |
| 1567 | const nsACString& aPassword, |
| 1568 | ErrorResult& aRv) { |
| 1569 | DEBUG_WORKERREFS1(aMethod << " " << aUrl)void(); |
| 1570 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 1571 | |
| 1572 | // Gecko-specific |
| 1573 | if (!aAsync && !DontWarnAboutSyncXHR() && GetOwnerWindow() && |
| 1574 | GetOwnerWindow()->GetExtantDoc()) { |
| 1575 | GetOwnerWindow()->GetExtantDoc()->WarnOnceAndReportAbout( |
| 1576 | DeprecatedOperations::eSyncXMLHttpRequestDeprecated); |
| 1577 | } |
| 1578 | |
| 1579 | glean::dom::xmlhttprequest_async_or_sync |
| 1580 | .EnumGet(static_cast<glean::dom::XmlhttprequestAsyncOrSyncLabel>( |
| 1581 | aAsync ? 0 : 1)) |
| 1582 | .Add(); |
| 1583 | |
| 1584 | // Step 1 |
| 1585 | nsCOMPtr<Document> responsibleDocument = GetDocumentIfCurrent(); |
| 1586 | if (!responsibleDocument) { |
| 1587 | // This could be because we're no longer current or because we're in some |
| 1588 | // non-window context... |
| 1589 | if (NS_WARN_IF(NS_FAILED(CheckCurrentGlobalCorrectness()))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0))), "NS_FAILED(CheckCurrentGlobalCorrectness())", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1589)) { |
| 1590 | aRv.Throw(NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); |
| 1591 | return; |
| 1592 | } |
| 1593 | } |
| 1594 | if (!mPrincipal) { |
| 1595 | aRv.Throw(NS_ERROR_NOT_INITIALIZED); |
| 1596 | return; |
| 1597 | } |
| 1598 | |
| 1599 | if (AppShutdown::IsInOrBeyond(ShutdownPhase::AppShutdownConfirmed)) { |
| 1600 | aRv.Throw(NS_ERROR_ILLEGAL_DURING_SHUTDOWN); |
| 1601 | return; |
| 1602 | } |
| 1603 | |
| 1604 | // Gecko-specific |
| 1605 | if (!aAsync && responsibleDocument && GetOwnerWindow()) { |
| 1606 | // We have no extant document during unload, so the above general |
| 1607 | // syncXHR warning will not display. But we do want to display a |
| 1608 | // recommendation to use sendBeacon instead of syncXHR during unload. |
| 1609 | nsCOMPtr<nsIDocShell> shell = responsibleDocument->GetDocShell(); |
| 1610 | if (shell) { |
| 1611 | bool inUnload = false; |
| 1612 | shell->GetIsInUnload(&inUnload); |
| 1613 | if (inUnload) { |
| 1614 | LogMessage("UseSendBeaconDuringUnloadAndPagehideWarning", |
| 1615 | GetOwnerWindow()); |
| 1616 | } |
| 1617 | } |
| 1618 | } |
| 1619 | |
| 1620 | // Steps 2-4 |
| 1621 | nsAutoCString method; |
| 1622 | aRv = FetchUtil::GetValidRequestMethod(aMethod, method); |
| 1623 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1623)) { |
| 1624 | return; |
| 1625 | } |
| 1626 | |
| 1627 | // Steps 5-6 |
| 1628 | nsIURI* baseURI = nullptr; |
| 1629 | if (mBaseURI) { |
| 1630 | baseURI = mBaseURI; |
| 1631 | } else if (responsibleDocument) { |
| 1632 | baseURI = responsibleDocument->GetBaseURI(); |
| 1633 | } |
| 1634 | |
| 1635 | // Use the responsible document's encoding for the URL if we have one, |
| 1636 | // except for dedicated workers. Use UTF-8 otherwise. |
| 1637 | NotNull<const Encoding*> originCharset = UTF_8_ENCODING; |
| 1638 | if (responsibleDocument && |
| 1639 | responsibleDocument->NodePrincipal() == mPrincipal) { |
| 1640 | originCharset = responsibleDocument->GetDocumentCharacterSet(); |
| 1641 | } |
| 1642 | |
| 1643 | nsCOMPtr<nsIURI> parsedURL; |
| 1644 | nsresult rv = |
| 1645 | NS_NewURI(getter_AddRefs(parsedURL), aUrl, originCharset, baseURI); |
| 1646 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1647 | aRv.ThrowSyntaxError("'"_ns + aUrl + "' is not a valid URL."_ns); |
| 1648 | return; |
| 1649 | } |
| 1650 | if (NS_WARN_IF(NS_FAILED(CheckCurrentGlobalCorrectness()))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0))), "NS_FAILED(CheckCurrentGlobalCorrectness())", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1650)) { |
| 1651 | aRv.Throw(NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); |
| 1652 | return; |
| 1653 | } |
| 1654 | |
| 1655 | // Step 7 |
| 1656 | // This is already handled by the other Open() method, which passes |
| 1657 | // username and password in as NullStrings. |
| 1658 | |
| 1659 | // Step 8 |
| 1660 | nsAutoCString host; |
| 1661 | parsedURL->GetHost(host); |
| 1662 | if (!host.IsEmpty() && (!aUsername.IsVoid() || !aPassword.IsVoid())) { |
| 1663 | auto mutator = NS_MutateURI(parsedURL); |
| 1664 | if (!aUsername.IsVoid()) { |
| 1665 | mutator.SetUsername(aUsername); |
| 1666 | } |
| 1667 | if (!aPassword.IsVoid()) { |
| 1668 | mutator.SetPassword(aPassword); |
| 1669 | } |
| 1670 | (void)mutator.Finalize(parsedURL); |
| 1671 | } |
| 1672 | |
| 1673 | // Step 9 |
| 1674 | if (!aAsync && HasOrHasHadOwnerWindow() && |
| 1675 | (mTimeoutMilliseconds || |
| 1676 | mResponseType != XMLHttpRequestResponseType::_empty)) { |
| 1677 | if (mTimeoutMilliseconds) { |
| 1678 | LogMessage("TimeoutSyncXHRWarning", GetOwnerWindow()); |
| 1679 | } |
| 1680 | if (mResponseType != XMLHttpRequestResponseType::_empty) { |
| 1681 | LogMessage("ResponseTypeSyncXHRWarning", GetOwnerWindow()); |
| 1682 | } |
| 1683 | aRv.ThrowInvalidAccessError( |
| 1684 | "synchronous XMLHttpRequests do not support timeout and responseType"); |
| 1685 | return; |
| 1686 | } |
| 1687 | |
| 1688 | // Step 10 |
| 1689 | TerminateOngoingFetch(NS_OK); |
| 1690 | |
| 1691 | // Step 11 |
| 1692 | // timeouts are handled without a flag |
| 1693 | DisconnectDoneNotifier(); |
| 1694 | mFlagSend = false; |
| 1695 | mRequestMethod.Assign(method); |
| 1696 | mRequestURL = std::move(parsedURL); |
| 1697 | mFlagSynchronous = !aAsync; |
| 1698 | mAuthorRequestHeaders.Clear(); |
| 1699 | ResetResponse(); |
| 1700 | |
| 1701 | // Gecko-specific |
| 1702 | mFlagHadUploadListenersOnSend = false; |
| 1703 | mFlagAborted = false; |
| 1704 | mFlagTimedOut = false; |
| 1705 | mDecoder = nullptr; |
| 1706 | |
| 1707 | // Per spec we should only create the channel on send(), but we have internal |
| 1708 | // code that relies on the channel being created now, and that code is not |
| 1709 | // always IsSystemXHR(). However, we're not supposed to throw channel-creation |
| 1710 | // errors during open(), so we silently ignore those here. |
| 1711 | CreateChannel(); |
| 1712 | |
| 1713 | // Step 12 |
| 1714 | if (mState != XMLHttpRequest_Binding::OPENED) { |
| 1715 | mState = XMLHttpRequest_Binding::OPENED; |
| 1716 | FireReadystatechangeEvent(); |
| 1717 | } |
| 1718 | } |
| 1719 | |
| 1720 | void XMLHttpRequestMainThread::SetOriginAttributes( |
| 1721 | const OriginAttributesDictionary& aAttrs) { |
| 1722 | MOZ_ASSERT((mState == XMLHttpRequest_Binding::OPENED) && !mFlagSend)do { static_assert( mozilla::detail::AssertionConditionType< decltype((mState == XMLHttpRequest_Binding::OPENED) && !mFlagSend)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!((mState == XMLHttpRequest_Binding ::OPENED) && !mFlagSend))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("(mState == XMLHttpRequest_Binding::OPENED) && !mFlagSend" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1722); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "(mState == XMLHttpRequest_Binding::OPENED) && !mFlagSend" ")"); do { MOZ_CrashSequence(__null, 1722); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1723 | |
| 1724 | OriginAttributes attrs(aAttrs); |
| 1725 | |
| 1726 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 1727 | loadInfo->SetOriginAttributes(attrs); |
| 1728 | } |
| 1729 | |
| 1730 | /* |
| 1731 | * "Copy" from a stream. |
| 1732 | */ |
| 1733 | nsresult XMLHttpRequestMainThread::StreamReaderFunc( |
| 1734 | nsIInputStream* in, void* closure, const char* fromRawSegment, |
| 1735 | uint32_t toOffset, uint32_t count, uint32_t* writeCount) { |
| 1736 | XMLHttpRequestMainThread* xmlHttpRequest = |
| 1737 | static_cast<XMLHttpRequestMainThread*>(closure); |
| 1738 | if (!xmlHttpRequest || !writeCount) { |
| 1739 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "XMLHttpRequest cannot read from stream: no closure or writeCount" , nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1740) |
| 1740 | "XMLHttpRequest cannot read from stream: no closure or writeCount")NS_DebugBreak(NS_DEBUG_WARNING, "XMLHttpRequest cannot read from stream: no closure or writeCount" , nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1740); |
| 1741 | return NS_ERROR_FAILURE; |
| 1742 | } |
| 1743 | |
| 1744 | nsresult rv = NS_OK; |
| 1745 | |
| 1746 | if (xmlHttpRequest->mResponseType == XMLHttpRequestResponseType::Blob) { |
| 1747 | xmlHttpRequest->MaybeCreateBlobStorage(); |
| 1748 | rv = xmlHttpRequest->mBlobStorage->Append(fromRawSegment, count); |
| 1749 | } else if (xmlHttpRequest->mResponseType == |
| 1750 | XMLHttpRequestResponseType::Arraybuffer && |
| 1751 | !xmlHttpRequest->mIsMappedArrayBuffer) { |
| 1752 | // get the initial capacity to something reasonable to avoid a bunch of |
| 1753 | // reallocs right at the start |
| 1754 | if (xmlHttpRequest->mArrayBufferBuilder->Capacity() == 0) |
| 1755 | xmlHttpRequest->mArrayBufferBuilder->SetCapacity( |
| 1756 | std::max(count, XML_HTTP_REQUEST_ARRAYBUFFER_MIN_SIZE)); |
| 1757 | |
| 1758 | if (NS_WARN_IF(!xmlHttpRequest->mArrayBufferBuilder->Append(NS_warn_if_impl(!xmlHttpRequest->mArrayBufferBuilder->Append ( reinterpret_cast<const uint8_t*>(fromRawSegment), count , XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH), "!xmlHttpRequest->mArrayBufferBuilder->Append( reinterpret_cast<const uint8_t*>(fromRawSegment), count, XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH)" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1760) |
| 1759 | reinterpret_cast<const uint8_t*>(fromRawSegment), count,NS_warn_if_impl(!xmlHttpRequest->mArrayBufferBuilder->Append ( reinterpret_cast<const uint8_t*>(fromRawSegment), count , XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH), "!xmlHttpRequest->mArrayBufferBuilder->Append( reinterpret_cast<const uint8_t*>(fromRawSegment), count, XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH)" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1760) |
| 1760 | XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH))NS_warn_if_impl(!xmlHttpRequest->mArrayBufferBuilder->Append ( reinterpret_cast<const uint8_t*>(fromRawSegment), count , XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH), "!xmlHttpRequest->mArrayBufferBuilder->Append( reinterpret_cast<const uint8_t*>(fromRawSegment), count, XML_HTTP_REQUEST_ARRAYBUFFER_MAX_GROWTH)" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1760)) { |
| 1761 | return NS_ERROR_OUT_OF_MEMORY; |
| 1762 | } |
| 1763 | |
| 1764 | } else if (xmlHttpRequest->mResponseType == |
| 1765 | XMLHttpRequestResponseType::_empty && |
| 1766 | xmlHttpRequest->mResponseXML) { |
| 1767 | // Copy for our own use |
| 1768 | if (!xmlHttpRequest->mResponseBody.Append(fromRawSegment, count, |
| 1769 | fallible)) { |
| 1770 | return NS_ERROR_OUT_OF_MEMORY; |
| 1771 | } |
| 1772 | } else if (xmlHttpRequest->mResponseType == |
| 1773 | XMLHttpRequestResponseType::_empty || |
| 1774 | xmlHttpRequest->mResponseType == |
| 1775 | XMLHttpRequestResponseType::Text || |
| 1776 | xmlHttpRequest->mResponseType == |
| 1777 | XMLHttpRequestResponseType::Json) { |
| 1778 | MOZ_ASSERT(!xmlHttpRequest->mResponseXML,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!xmlHttpRequest->mResponseXML)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!xmlHttpRequest->mResponseXML ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!xmlHttpRequest->mResponseXML" " (" "We shouldn't be parsing a doc here" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1779 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!xmlHttpRequest->mResponseXML" ") (" "We shouldn't be parsing a doc here" ")"); do { MOZ_CrashSequence (__null, 1779); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1779 | "We shouldn't be parsing a doc here")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!xmlHttpRequest->mResponseXML)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!xmlHttpRequest->mResponseXML ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!xmlHttpRequest->mResponseXML" " (" "We shouldn't be parsing a doc here" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1779 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!xmlHttpRequest->mResponseXML" ") (" "We shouldn't be parsing a doc here" ")"); do { MOZ_CrashSequence (__null, 1779); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1780 | rv = xmlHttpRequest->AppendToResponseText( |
| 1781 | AsBytes(Span(fromRawSegment, count))); |
| 1782 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1782)) { |
| 1783 | return rv; |
| 1784 | } |
| 1785 | } |
| 1786 | |
| 1787 | if (xmlHttpRequest->mFlagParseBody) { |
| 1788 | // Give the same data to the parser. |
| 1789 | |
| 1790 | // We need to wrap the data in a new lightweight stream and pass that |
| 1791 | // to the parser, because calling ReadSegments() recursively on the same |
| 1792 | // stream is not supported. |
| 1793 | nsCOMPtr<nsIInputStream> copyStream; |
| 1794 | rv = NS_NewByteInputStream(getter_AddRefs(copyStream), |
| 1795 | Span(fromRawSegment, count), |
| 1796 | NS_ASSIGNMENT_DEPEND); |
| 1797 | |
| 1798 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && xmlHttpRequest->mXMLParserStreamListener) { |
| 1799 | NS_ASSERTION(copyStream, "NS_NewByteInputStream lied")do { if (!(copyStream)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "NS_NewByteInputStream lied" , "copyStream", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1799); MOZ_PretendNoReturn(); } } while (0); |
| 1800 | nsCOMPtr<nsIStreamListener> listener = |
| 1801 | xmlHttpRequest->mXMLParserStreamListener; |
| 1802 | nsresult parsingResult = listener->OnDataAvailable( |
| 1803 | xmlHttpRequest->mChannel, copyStream, toOffset, count); |
| 1804 | |
| 1805 | // No use to continue parsing if we failed here, but we |
| 1806 | // should still finish reading the stream |
| 1807 | if (NS_FAILED(parsingResult)((bool)(__builtin_expect(!!(NS_FAILED_impl(parsingResult)), 0 )))) { |
| 1808 | xmlHttpRequest->mFlagParseBody = false; |
| 1809 | } |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1814 | *writeCount = count; |
| 1815 | } else { |
| 1816 | *writeCount = 0; |
| 1817 | } |
| 1818 | |
| 1819 | return rv; |
| 1820 | } |
| 1821 | |
| 1822 | namespace { |
| 1823 | |
| 1824 | nsresult GetLocalFileFromChannel(nsIRequest* aRequest, nsIFile** aFile) { |
| 1825 | MOZ_ASSERT(aRequest)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aRequest)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aRequest))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aRequest", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1825); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aRequest" ")" ); do { MOZ_CrashSequence(__null, 1825); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1826 | MOZ_ASSERT(aFile)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aFile)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aFile))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("aFile", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1826); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aFile" ")") ; do { MOZ_CrashSequence(__null, 1826); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1827 | |
| 1828 | *aFile = nullptr; |
| 1829 | |
| 1830 | nsCOMPtr<nsIFileChannel> fc = do_QueryInterface(aRequest); |
| 1831 | if (!fc) { |
| 1832 | return NS_OK; |
| 1833 | } |
| 1834 | |
| 1835 | nsCOMPtr<nsIFile> file; |
| 1836 | nsresult rv = fc->GetFile(getter_AddRefs(file)); |
| 1837 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1837)) { |
| 1838 | return rv; |
| 1839 | } |
| 1840 | |
| 1841 | file.forget(aFile); |
| 1842 | return NS_OK; |
| 1843 | } |
| 1844 | |
| 1845 | nsresult DummyStreamReaderFunc(nsIInputStream* aInputStream, void* aClosure, |
| 1846 | const char* aFromRawSegment, uint32_t aToOffset, |
| 1847 | uint32_t aCount, uint32_t* aWriteCount) { |
| 1848 | *aWriteCount = aCount; |
| 1849 | return NS_OK; |
| 1850 | } |
| 1851 | |
| 1852 | class FileCreationHandler final : public PromiseNativeHandler { |
| 1853 | public: |
| 1854 | NS_DECL_ISUPPORTSpublic: virtual nsresult QueryInterface(const nsIID& aIID , void** aInstancePtr) override; virtual MozExternalRefCountType AddRef(void) override; virtual MozExternalRefCountType Release (void) override; using HasThreadSafeRefCnt = std::false_type; protected: nsAutoRefCnt mRefCnt; nsAutoOwningThread _mOwningThread ; public: |
| 1855 | |
| 1856 | static void Create(Promise* aPromise, XMLHttpRequestMainThread* aXHR) { |
| 1857 | MOZ_ASSERT(aPromise)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPromise)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPromise))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPromise", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1857); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPromise" ")" ); do { MOZ_CrashSequence(__null, 1857); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1858 | |
| 1859 | RefPtr<FileCreationHandler> handler = new FileCreationHandler(aXHR); |
| 1860 | aPromise->AppendNativeHandler(handler); |
| 1861 | } |
| 1862 | |
| 1863 | MOZ_CAN_RUN_SCRIPT_BOUNDARY void ResolvedCallback( |
| 1864 | JSContext* aCx, JS::Handle<JS::Value> aValue, ErrorResult& aRv) override { |
| 1865 | if (NS_WARN_IF(!aValue.isObject())NS_warn_if_impl(!aValue.isObject(), "!aValue.isObject()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1865)) { |
| 1866 | mXHR->LocalFileToBlobCompleted(nullptr); |
| 1867 | return; |
| 1868 | } |
| 1869 | |
| 1870 | RefPtr<Blob> blob; |
| 1871 | if (NS_WARN_IF(NS_FAILED(UNWRAP_OBJECT(Blob, &aValue.toObject(), blob)))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(mozilla ::dom::binding_detail::UnwrapObjectWithCrossOriginAsserts< mozilla::dom::prototypes::id::Blob, mozilla::dom::Blob_Binding ::NativeType>(&aValue.toObject(), blob))), 0))), "NS_FAILED(UNWRAP_OBJECT(Blob, &aValue.toObject(), blob))" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1871)) { |
| 1872 | mXHR->LocalFileToBlobCompleted(nullptr); |
| 1873 | return; |
| 1874 | } |
| 1875 | |
| 1876 | const RefPtr<BlobImpl> blobImpl = blob->Impl(); |
| 1877 | mXHR->LocalFileToBlobCompleted(blobImpl); |
| 1878 | } |
| 1879 | |
| 1880 | MOZ_CAN_RUN_SCRIPT_BOUNDARY void RejectedCallback( |
| 1881 | JSContext* aCx, JS::Handle<JS::Value> aValue, ErrorResult& aRv) override { |
| 1882 | mXHR->LocalFileToBlobCompleted(nullptr); |
| 1883 | } |
| 1884 | |
| 1885 | private: |
| 1886 | explicit FileCreationHandler(XMLHttpRequestMainThread* aXHR) : mXHR(aXHR) { |
| 1887 | MOZ_ASSERT(aXHR)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aXHR)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aXHR))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("aXHR", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1887); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aXHR" ")"); do { MOZ_CrashSequence(__null, 1887); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1888 | } |
| 1889 | |
| 1890 | ~FileCreationHandler() = default; |
| 1891 | |
| 1892 | MOZ_KNOWN_LIVE const RefPtr<XMLHttpRequestMainThread> mXHR; |
| 1893 | }; |
| 1894 | |
| 1895 | NS_IMPL_ISUPPORTS0(FileCreationHandler)MozExternalRefCountType FileCreationHandler::AddRef(void) { static_assert (!std::is_destructible_v<FileCreationHandler>, "Reference-counted class " "FileCreationHandler" " should not have a public destructor. " "Make this class's destructor non-public"); do { static_assert ( mozilla::detail::AssertionConditionType<decltype(int32_t (mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1895); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 1895 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("FileCreationHandler" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("FileCreationHandler" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"FileCreationHandler\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1895 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"FileCreationHandler\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 1895); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("FileCreationHandler" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("FileCreationHandler" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType FileCreationHandler::Release(void) { do { static_assert( mozilla ::detail::AssertionConditionType<decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(int32_t(mRefCnt) > 0))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1895 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 1895 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("FileCreationHandler" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("FileCreationHandler" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"FileCreationHandler\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1895 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"FileCreationHandler\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 1895); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("FileCreationHandler" " not thread-safe"); const char* const nametmp = "FileCreationHandler"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } nsresult FileCreationHandler::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1895); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<FileCreationHandler, nsISupports>, int32_t ( reinterpret_cast<char*>(static_cast<nsISupports*> ((FileCreationHandler*)0x1000)) - reinterpret_cast<char*> ((FileCreationHandler*)0x1000))}, { nullptr, 0 } } ; static_assert (std::size(table) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI (static_cast<void*>(this), aIID, aInstancePtr, table); return rv; } |
| 1896 | |
| 1897 | } // namespace |
| 1898 | |
| 1899 | void XMLHttpRequestMainThread::LocalFileToBlobCompleted(BlobImpl* aBlobImpl) { |
| 1900 | MOZ_ASSERT(mState != XMLHttpRequest_Binding::DONE)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mState != XMLHttpRequest_Binding::DONE)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mState != XMLHttpRequest_Binding::DONE))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mState != XMLHttpRequest_Binding::DONE" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1900); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mState != XMLHttpRequest_Binding::DONE" ")" ); do { MOZ_CrashSequence(__null, 1900); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1901 | |
| 1902 | mResponseBlobImpl = aBlobImpl; |
| 1903 | mBlobStorage = nullptr; |
| 1904 | NS_ASSERTION(mResponseBody.IsEmpty(), "mResponseBody should be empty")do { if (!(mResponseBody.IsEmpty())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mResponseBody should be empty", "mResponseBody.IsEmpty()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1904); MOZ_PretendNoReturn (); } } while (0); |
| 1905 | |
| 1906 | ChangeStateToDone(mFlagSyncLooping); |
| 1907 | } |
| 1908 | |
| 1909 | NS_IMETHODIMPnsresult |
| 1910 | XMLHttpRequestMainThread::OnDataAvailable(nsIRequest* request, |
| 1911 | nsIInputStream* inStr, |
| 1912 | uint64_t sourceOffset, |
| 1913 | uint32_t count) { |
| 1914 | DEBUG_WORKERREFSvoid(); |
| 1915 | NS_ENSURE_ARG_POINTER(inStr)do { if ((__builtin_expect(!!(!(inStr)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "inStr" ") failed", nullptr , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1915); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 1916 | |
| 1917 | mProgressSinceLastProgressEvent = true; |
| 1918 | XMLHttpRequest_Binding::ClearCachedResponseTextValue(this); |
| 1919 | |
| 1920 | nsresult rv; |
| 1921 | |
| 1922 | if (mResponseType == XMLHttpRequestResponseType::Blob) { |
| 1923 | nsCOMPtr<nsIFile> localFile; |
| 1924 | if (RefPtr<BlobURLChannel> blobChan = do_QueryObject(request)) { |
| 1925 | RefPtr<BlobImpl> blobImpl; |
| 1926 | rv = blobChan->GetBackingBlob(getter_AddRefs(blobImpl)); |
| 1927 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1928 | mResponseBlobImpl = blobImpl; |
| 1929 | } |
| 1930 | } else { |
| 1931 | rv = GetLocalFileFromChannel(request, getter_AddRefs(localFile)); |
| 1932 | } |
| 1933 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1933)) { |
| 1934 | return rv; |
| 1935 | } |
| 1936 | |
| 1937 | if (mResponseBlobImpl || localFile) { |
| 1938 | mBlobStorage = nullptr; |
| 1939 | NS_ASSERTION(mResponseBody.IsEmpty(), "mResponseBody should be empty")do { if (!(mResponseBody.IsEmpty())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mResponseBody should be empty", "mResponseBody.IsEmpty()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 1939); MOZ_PretendNoReturn (); } } while (0); |
| 1940 | |
| 1941 | // The nsIStreamListener contract mandates us to read from the stream |
| 1942 | // before returning. |
| 1943 | uint32_t totalRead; |
| 1944 | rv = inStr->ReadSegments(DummyStreamReaderFunc, nullptr, count, |
| 1945 | &totalRead); |
| 1946 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1946); return rv; } } while (false); |
| 1947 | |
| 1948 | ChangeState(XMLHttpRequest_Binding::LOADING); |
| 1949 | |
| 1950 | // Cancel() must be called with an error. We use |
| 1951 | // NS_ERROR_FILE_ALREADY_EXISTS to know that we've aborted the operation |
| 1952 | // just because we can retrieve the File from the channel directly. |
| 1953 | return request->Cancel(NS_ERROR_FILE_ALREADY_EXISTS); |
| 1954 | } |
| 1955 | } |
| 1956 | |
| 1957 | uint32_t totalRead; |
| 1958 | rv = inStr->ReadSegments(XMLHttpRequestMainThread::StreamReaderFunc, |
| 1959 | (void*)this, count, &totalRead); |
| 1960 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 1960); return rv; } } while (false); |
| 1961 | |
| 1962 | // Fire the first progress event/loading state change |
| 1963 | if (mState == XMLHttpRequest_Binding::HEADERS_RECEIVED) { |
| 1964 | ChangeState(XMLHttpRequest_Binding::LOADING); |
| 1965 | if (!mFlagSynchronous) { |
| 1966 | DispatchProgressEvent(this, Events::progress, mLoadTransferred, |
| 1967 | mLoadTotal); |
| 1968 | } |
| 1969 | mProgressSinceLastProgressEvent = false; |
| 1970 | } |
| 1971 | |
| 1972 | if (!mFlagSynchronous && !mProgressTimerIsActive) { |
| 1973 | StartProgressEventTimer(); |
| 1974 | } |
| 1975 | |
| 1976 | return NS_OK; |
| 1977 | } |
| 1978 | |
| 1979 | NS_IMETHODIMPnsresult |
| 1980 | XMLHttpRequestMainThread::OnStartRequest(nsIRequest* request) { |
| 1981 | DEBUG_WORKERREFSvoid(); |
| 1982 | AUTO_PROFILER_LABEL("XMLHttpRequestMainThread::OnStartRequest", NETWORK)mozilla::AutoProfilerLabel raiiObject1982( "XMLHttpRequestMainThread::OnStartRequest" , nullptr, JS::ProfilingCategoryPair::NETWORK); |
| 1983 | |
| 1984 | nsresult rv = NS_OK; |
| 1985 | |
| 1986 | if (request != mChannel) { |
| 1987 | // Can this still happen? |
| 1988 | return NS_OK; |
| 1989 | } |
| 1990 | |
| 1991 | // Don't do anything if we have been aborted |
| 1992 | if (mState == XMLHttpRequest_Binding::UNSENT) { |
| 1993 | return NS_OK; |
| 1994 | } |
| 1995 | |
| 1996 | // Don't do anything if we're in mid-abort, but let the request |
| 1997 | // know (this can happen due to race conditions in valid XHRs, |
| 1998 | // see bz1070763 for info). |
| 1999 | if (mFlagAborted) { |
| 2000 | return NS_BINDING_ABORTED; |
| 2001 | } |
| 2002 | |
| 2003 | // Don't do anything if we have timed out. |
| 2004 | if (mFlagTimedOut) { |
| 2005 | return NS_OK; |
| 2006 | } |
| 2007 | |
| 2008 | // If we were asked for a bad range on a blob URL, but we're async, |
| 2009 | // we should throw now in order to fire an error progress event. |
| 2010 | if (BadContentRangeRequested()) { |
| 2011 | return NS_ERROR_NET_PARTIAL_TRANSFER; |
| 2012 | } |
| 2013 | |
| 2014 | nsCOMPtr<nsIChannel> channel(do_QueryInterface(request)); |
| 2015 | NS_ENSURE_TRUE(channel, NS_ERROR_UNEXPECTED)do { if ((__builtin_expect(!!(!(channel)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "channel" ") failed", nullptr , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2015); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2016 | |
| 2017 | nsresult status; |
| 2018 | request->GetStatus(&status); |
| 2019 | if (mErrorLoad == ErrorType::eOK && NS_FAILED(status)((bool)(__builtin_expect(!!(NS_FAILED_impl(status)), 0)))) { |
| 2020 | mErrorLoad = ErrorType::eRequest; |
| 2021 | mErrorLoadDetail = status; |
| 2022 | } |
| 2023 | |
| 2024 | // Upload phase is now over. If we were uploading anything, |
| 2025 | // stop the timer and fire any final progress events. |
| 2026 | if (mUpload && !mUploadComplete && mErrorLoad == ErrorType::eOK && |
| 2027 | !mFlagSynchronous) { |
| 2028 | StopProgressEventTimer(); |
| 2029 | |
| 2030 | mUploadTransferred = mUploadTotal; |
| 2031 | |
| 2032 | if (mProgressSinceLastProgressEvent) { |
| 2033 | DispatchProgressEvent(mUpload, Events::progress, mUploadTransferred, |
| 2034 | mUploadTotal); |
| 2035 | mProgressSinceLastProgressEvent = false; |
| 2036 | } |
| 2037 | |
| 2038 | mUploadComplete = true; |
| 2039 | DispatchProgressEvent(mUpload, Events::load, mUploadTotal, mUploadTotal); |
| 2040 | } |
| 2041 | |
| 2042 | mFlagParseBody = true; |
| 2043 | if (mErrorLoad == ErrorType::eOK) { |
| 2044 | ChangeState(XMLHttpRequest_Binding::HEADERS_RECEIVED); |
| 2045 | } |
| 2046 | |
| 2047 | // Re-run earlier check after scripts may have changed the state. |
| 2048 | |
| 2049 | if (request != mChannel) { |
| 2050 | // Can this still happen? |
| 2051 | return NS_OK; |
| 2052 | } |
| 2053 | |
| 2054 | // Don't do anything if we have been aborted |
| 2055 | if (mState == XMLHttpRequest_Binding::UNSENT) { |
| 2056 | return NS_OK; |
| 2057 | } |
| 2058 | |
| 2059 | // Don't do anything if we're in mid-abort, but let the request |
| 2060 | // know (this can happen due to race conditions in valid XHRs, |
| 2061 | // see bz1070763 for info). |
| 2062 | if (mFlagAborted) { |
| 2063 | return NS_BINDING_ABORTED; |
| 2064 | } |
| 2065 | |
| 2066 | // Don't do anything if we have timed out. |
| 2067 | if (mFlagTimedOut) { |
| 2068 | return NS_OK; |
| 2069 | } |
| 2070 | |
| 2071 | ResetResponse(); |
| 2072 | |
| 2073 | if (!mOverrideMimeType.IsEmpty()) { |
| 2074 | channel->SetContentType(NS_ConvertUTF16toUTF8(mOverrideMimeType)); |
| 2075 | } |
| 2076 | |
| 2077 | // Fallback to 'application/octet-stream' (leaving data URLs alone) |
| 2078 | if (!IsBlobURI(mRequestURL)) { |
| 2079 | nsAutoCString type; |
| 2080 | channel->GetContentType(type); |
| 2081 | if (type.IsEmpty() || type.EqualsLiteral(UNKNOWN_CONTENT_TYPE"application/x-unknown-content-type")) { |
| 2082 | channel->SetContentType(nsLiteralCString(APPLICATION_OCTET_STREAM"application/octet-stream")); |
| 2083 | } |
| 2084 | } |
| 2085 | |
| 2086 | DetectCharset(); |
| 2087 | |
| 2088 | // Set up arraybuffer |
| 2089 | if (mResponseType == XMLHttpRequestResponseType::Arraybuffer && |
| 2090 | NS_SUCCEEDED(status)((bool)(__builtin_expect(!!(!NS_FAILED_impl(status)), 1)))) { |
| 2091 | if (mIsMappedArrayBuffer) { |
| 2092 | nsCOMPtr<nsIJARChannel> jarChannel = do_QueryInterface(channel); |
| 2093 | if (jarChannel) { |
| 2094 | nsCOMPtr<nsIURI> uri; |
| 2095 | rv = channel->GetURI(getter_AddRefs(uri)); |
| 2096 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 2097 | nsAutoCString file; |
| 2098 | nsAutoCString scheme; |
| 2099 | uri->GetScheme(scheme); |
| 2100 | if (scheme.LowerCaseEqualsLiteral("jar")) { |
| 2101 | nsCOMPtr<nsIJARURI> jarURI = do_QueryInterface(uri); |
| 2102 | if (jarURI) { |
| 2103 | jarURI->GetJAREntry(file); |
| 2104 | } |
| 2105 | } |
| 2106 | nsCOMPtr<nsIFile> jarFile; |
| 2107 | jarChannel->GetJarFile(getter_AddRefs(jarFile)); |
| 2108 | if (!jarFile) { |
| 2109 | mIsMappedArrayBuffer = false; |
| 2110 | } else { |
| 2111 | rv = mArrayBufferBuilder->MapToFileInPackage(file, jarFile); |
| 2112 | // This can happen legitimately if there are compressed files |
| 2113 | // in the jarFile. See bug #1357219. No need to warn on the error. |
| 2114 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 2115 | mIsMappedArrayBuffer = false; |
| 2116 | } else { |
| 2117 | channel->SetContentType("application/mem-mapped"_ns); |
| 2118 | } |
| 2119 | } |
| 2120 | } |
| 2121 | } |
| 2122 | } |
| 2123 | // If memory mapping failed, mIsMappedArrayBuffer would be set to false, |
| 2124 | // and we want it fallback to the malloc way. |
| 2125 | if (!mIsMappedArrayBuffer) { |
| 2126 | int64_t contentLength; |
| 2127 | rv = channel->GetContentLength(&contentLength); |
| 2128 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && contentLength > 0 && |
| 2129 | contentLength < XML_HTTP_REQUEST_MAX_CONTENT_LENGTH_PREALLOCATE) { |
| 2130 | mArrayBufferBuilder->SetCapacity(static_cast<int32_t>(contentLength)); |
| 2131 | } |
| 2132 | } |
| 2133 | } |
| 2134 | |
| 2135 | // Set up responseXML |
| 2136 | // Fetch spec Main Fetch step 21: ignore body for head/connect methods. |
| 2137 | bool parseBody = (mResponseType == XMLHttpRequestResponseType::_empty || |
| 2138 | mResponseType == XMLHttpRequestResponseType::Document) && |
| 2139 | !(mRequestMethod.EqualsLiteral("HEAD") || |
| 2140 | mRequestMethod.EqualsLiteral("CONNECT")); |
| 2141 | |
| 2142 | if (parseBody) { |
| 2143 | // Do not try to parse documents if content-length = 0 |
| 2144 | int64_t contentLength; |
| 2145 | if (NS_SUCCEEDED(mChannel->GetContentLength(&contentLength))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mChannel->GetContentLength (&contentLength))), 1))) && |
| 2146 | contentLength == 0) { |
| 2147 | parseBody = false; |
| 2148 | } |
| 2149 | } |
| 2150 | |
| 2151 | mIsHtml = false; |
| 2152 | mWarnAboutSyncHtml = false; |
| 2153 | if (parseBody && NS_SUCCEEDED(status)((bool)(__builtin_expect(!!(!NS_FAILED_impl(status)), 1)))) { |
| 2154 | // We can gain a huge performance win by not even trying to |
| 2155 | // parse non-XML data. This also protects us from the situation |
| 2156 | // where we have an XML document and sink, but HTML (or other) |
| 2157 | // parser, which can produce unreliable results. |
| 2158 | nsAutoCString type; |
| 2159 | channel->GetContentType(type); |
| 2160 | |
| 2161 | if ((mResponseType == XMLHttpRequestResponseType::Document) && |
| 2162 | type.EqualsLiteral("text/html")) { |
| 2163 | // HTML parsing is only supported for responseType == "document" to |
| 2164 | // avoid running the parser and, worse, populating responseXML for |
| 2165 | // legacy users of XHR who use responseType == "" for retrieving the |
| 2166 | // responseText of text/html resources. This legacy case is so common |
| 2167 | // that it's not useful to emit a warning about it. |
| 2168 | if (mFlagSynchronous) { |
| 2169 | // We don't make cool new features available in the bad synchronous |
| 2170 | // mode. The synchronous mode is for legacy only. |
| 2171 | mWarnAboutSyncHtml = true; |
| 2172 | mFlagParseBody = false; |
| 2173 | } else { |
| 2174 | mIsHtml = true; |
| 2175 | } |
| 2176 | } else if (!type.IsEmpty() && (!(type.EqualsLiteral("text/xml") || |
| 2177 | type.EqualsLiteral("application/xml") || |
| 2178 | StringEndsWith(type, "+xml"_ns)))) { |
| 2179 | // Follow https://xhr.spec.whatwg.org/ |
| 2180 | // If final MIME type is not null, text/html, text/xml, application/xml, |
| 2181 | // or does not end in +xml, return null. |
| 2182 | mFlagParseBody = false; |
| 2183 | } |
| 2184 | } else { |
| 2185 | // The request failed, so we shouldn't be parsing anyway |
| 2186 | mFlagParseBody = false; |
| 2187 | } |
| 2188 | |
| 2189 | if (mFlagParseBody) { |
| 2190 | nsCOMPtr<nsIURI> baseURI, docURI; |
| 2191 | rv = mChannel->GetURI(getter_AddRefs(docURI)); |
| 2192 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2192); return rv; } } while (false); |
| 2193 | baseURI = docURI; |
| 2194 | |
| 2195 | nsCOMPtr<Document> doc = GetDocumentIfCurrent(); |
| 2196 | nsCOMPtr<nsIURI> chromeXHRDocURI, chromeXHRDocBaseURI; |
| 2197 | if (doc) { |
| 2198 | chromeXHRDocURI = doc->GetDocumentURI(); |
| 2199 | chromeXHRDocBaseURI = doc->GetBaseURI(); |
| 2200 | } else { |
| 2201 | // If we're no longer current, just kill the load, though it really should |
| 2202 | // have been killed already. |
| 2203 | if (NS_WARN_IF(NS_FAILED(CheckCurrentGlobalCorrectness()))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0))), "NS_FAILED(CheckCurrentGlobalCorrectness())", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2203)) { |
| 2204 | return NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT; |
| 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | // Create an empty document from it. |
| 2209 | const auto& emptyStr = u""_ns; |
| 2210 | nsIGlobalObject* global = DOMEventTargetHelper::GetParentObject(); |
| 2211 | |
| 2212 | nsCOMPtr<nsIPrincipal> requestingPrincipal; |
| 2213 | rv = nsContentUtils::GetSecurityManager()->GetChannelResultPrincipal( |
| 2214 | channel, getter_AddRefs(requestingPrincipal)); |
| 2215 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2215); return rv; } } while (false); |
| 2216 | |
| 2217 | rv = NS_NewDOMDocument( |
| 2218 | getter_AddRefs(mResponseXML), emptyStr, emptyStr, nullptr, docURI, |
| 2219 | baseURI, requestingPrincipal, LoadedAsData::AsData, global, |
| 2220 | mIsHtml ? DocumentFlavor::HTML : DocumentFlavor::LegacyGuess); |
| 2221 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2221); return rv; } } while (false); |
| 2222 | mResponseXML->SetChromeXHRDocURI(chromeXHRDocURI); |
| 2223 | mResponseXML->SetChromeXHRDocBaseURI(chromeXHRDocBaseURI); |
| 2224 | |
| 2225 | // suppress parsing failure messages to console for statuses which |
| 2226 | // can have empty bodies (see bug 884693). |
| 2227 | IgnoredErrorResult rv2; |
| 2228 | uint32_t responseStatus = GetStatus(rv2); |
| 2229 | if (!rv2.Failed() && (responseStatus == 201 || responseStatus == 202 || |
| 2230 | responseStatus == 204 || responseStatus == 205 || |
| 2231 | responseStatus == 304)) { |
| 2232 | mResponseXML->SetSuppressParserErrorConsoleMessages(true); |
| 2233 | } |
| 2234 | |
| 2235 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 2236 | bool isCrossSite = false; |
| 2237 | isCrossSite = loadInfo->GetTainting() != LoadTainting::Basic; |
| 2238 | |
| 2239 | if (isCrossSite) { |
| 2240 | mResponseXML->DisableCookieAccess(); |
| 2241 | } |
| 2242 | |
| 2243 | nsCOMPtr<nsIStreamListener> listener; |
| 2244 | nsCOMPtr<nsILoadGroup> loadGroup; |
| 2245 | channel->GetLoadGroup(getter_AddRefs(loadGroup)); |
| 2246 | |
| 2247 | // suppress <parsererror> nodes on XML document parse failure, but only |
| 2248 | // for non-privileged code (including Web Extensions). See bug 289714. |
| 2249 | if (!IsSystemXHR()) { |
| 2250 | mResponseXML->SetSuppressParserErrorElement(true); |
| 2251 | } |
| 2252 | |
| 2253 | rv = mResponseXML->StartDocumentLoad(kLoadAsData, channel, loadGroup, |
| 2254 | nullptr, getter_AddRefs(listener), |
| 2255 | !isCrossSite); |
| 2256 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2256); return rv; } } while (false); |
| 2257 | |
| 2258 | // the spec requires the response document.referrer to be the empty string |
| 2259 | nsCOMPtr<nsIReferrerInfo> referrerInfo = |
| 2260 | new ReferrerInfo(nullptr, mResponseXML->ReferrerPolicy()); |
| 2261 | mResponseXML->SetReferrerInfo(referrerInfo); |
| 2262 | |
| 2263 | mXMLParserStreamListener = listener; |
| 2264 | nsCOMPtr<nsIStreamListener> parserListener = mXMLParserStreamListener; |
| 2265 | rv = parserListener->OnStartRequest(request); |
| 2266 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2266); return rv; } } while (false); |
| 2267 | } |
| 2268 | |
| 2269 | // Download phase beginning; start the progress event timer if necessary. |
| 2270 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && HasListenersFor(nsGkAtoms::onprogress)) { |
| 2271 | StartProgressEventTimer(); |
| 2272 | } |
| 2273 | |
| 2274 | return NS_OK; |
| 2275 | } |
| 2276 | |
| 2277 | NS_IMETHODIMPnsresult |
| 2278 | XMLHttpRequestMainThread::OnStopRequest(nsIRequest* request, nsresult status) |
| 2279 | MOZ_CAN_RUN_SCRIPT_BOUNDARY { |
| 2280 | DEBUG_WORKERREFSvoid(); |
| 2281 | AUTO_PROFILER_LABEL("XMLHttpRequestMainThread::OnStopRequest", NETWORK)mozilla::AutoProfilerLabel raiiObject2281( "XMLHttpRequestMainThread::OnStopRequest" , nullptr, JS::ProfilingCategoryPair::NETWORK); |
| 2282 | |
| 2283 | if (request != mChannel) { |
| 2284 | // This can happen when we have already faked an OnStopRequest earlier |
| 2285 | // when synchronously canceling a sync XHR. |
| 2286 | return NS_OK; |
| 2287 | } |
| 2288 | |
| 2289 | if (mAlreadyGotStopRequest) { |
| 2290 | // This is needed to filter out the real, second call after faking one in |
| 2291 | // SendInternal. |
| 2292 | return NS_OK; |
| 2293 | } |
| 2294 | mAlreadyGotStopRequest = true; |
| 2295 | |
| 2296 | // Send the decoder the signal that we've hit the end of the stream, |
| 2297 | // but only when decoding text eagerly. |
| 2298 | if (mDecoder && ((mResponseType == XMLHttpRequestResponseType::Text) || |
| 2299 | (mResponseType == XMLHttpRequestResponseType::Json) || |
| 2300 | (mResponseType == XMLHttpRequestResponseType::_empty && |
| 2301 | !mResponseXML))) { |
| 2302 | AppendToResponseText(Span<const uint8_t>(), true); |
| 2303 | } |
| 2304 | |
| 2305 | mWaitingForOnStopRequest = false; |
| 2306 | |
| 2307 | // make sure to notify the listener if we were aborted |
| 2308 | // XXX in fact, why don't we do the cleanup below in this case?? |
| 2309 | // UNSENT is for abort calls. See OnStartRequest above. |
| 2310 | if (mState == XMLHttpRequest_Binding::UNSENT || mFlagTimedOut) { |
| 2311 | if (mXMLParserStreamListener) { |
| 2312 | nsCOMPtr<nsIStreamListener> parserListener = mXMLParserStreamListener; |
| 2313 | (void)parserListener->OnStopRequest(request, status); |
| 2314 | } |
| 2315 | return NS_OK; |
| 2316 | } |
| 2317 | |
| 2318 | // Is this good enough here? |
| 2319 | if (mXMLParserStreamListener && mFlagParseBody) { |
| 2320 | nsCOMPtr<nsIStreamListener> parserListener = mXMLParserStreamListener; |
| 2321 | parserListener->OnStopRequest(request, status); |
| 2322 | } |
| 2323 | |
| 2324 | mXMLParserStreamListener = nullptr; |
| 2325 | |
| 2326 | // If window.stop() or other aborts were issued, handle as an abort. |
| 2327 | // Navigation-caused aborts suppress the abort event and only fire loadend, |
| 2328 | // matching Chrome/Safari behavior (bug 1505389). |
| 2329 | if (status == NS_BINDING_ABORTED) { |
| 2330 | mFlagParseBody = false; |
| 2331 | |
| 2332 | nsAutoCString cancelReason; |
| 2333 | if (mChannel) { |
| 2334 | mChannel->GetCanceledReason(cancelReason); |
| 2335 | } |
| 2336 | |
| 2337 | if (cancelReason.EqualsLiteral("navigation")) { |
| 2338 | CancelTimeoutTimer(); |
| 2339 | CancelSyncTimeoutTimer(); |
| 2340 | StopProgressEventTimer(); |
| 2341 | |
| 2342 | mState = XMLHttpRequest_Binding::DONE; |
| 2343 | mFlagSend = false; |
| 2344 | ResetResponse(); |
| 2345 | |
| 2346 | if (!mFlagDeleted) { |
| 2347 | FireReadystatechangeEvent(); |
| 2348 | if (mUpload && !mUploadComplete) { |
| 2349 | mUploadComplete = true; |
| 2350 | if (mFlagHadUploadListenersOnSend) { |
| 2351 | DispatchProgressEvent(mUpload, Events::loadend, 0, -1); |
| 2352 | } |
| 2353 | } |
| 2354 | DispatchProgressEvent(this, Events::loadend, 0, -1); |
| 2355 | } |
| 2356 | } else { |
| 2357 | IgnoredErrorResult rv; |
| 2358 | RequestErrorSteps(Events::abort, NS_ERROR_DOM_ABORT_ERR, rv); |
| 2359 | } |
| 2360 | |
| 2361 | ChangeState(XMLHttpRequest_Binding::UNSENT, false); |
| 2362 | return NS_OK; |
| 2363 | } |
| 2364 | |
| 2365 | // If we were just reading a blob URL, we're already done |
| 2366 | if (status == NS_ERROR_FILE_ALREADY_EXISTS && mResponseBlobImpl) { |
| 2367 | ChangeStateToDone(mFlagSyncLooping); |
| 2368 | return NS_OK; |
| 2369 | } |
| 2370 | |
| 2371 | bool waitingForBlobCreation = false; |
| 2372 | |
| 2373 | // If we have this error, we have to deal with a file: URL + responseType = |
| 2374 | // blob. We have this error because we canceled the channel. The status will |
| 2375 | // be set to NS_OK. |
| 2376 | if (!mResponseBlobImpl && status == NS_ERROR_FILE_ALREADY_EXISTS && |
| 2377 | mResponseType == XMLHttpRequestResponseType::Blob) { |
| 2378 | nsCOMPtr<nsIFile> file; |
| 2379 | nsresult rv = GetLocalFileFromChannel(request, getter_AddRefs(file)); |
| 2380 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2380)) { |
| 2381 | return rv; |
| 2382 | } |
| 2383 | |
| 2384 | if (file) { |
| 2385 | nsAutoCString contentType; |
| 2386 | rv = mChannel->GetContentType(contentType); |
| 2387 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2387)) { |
| 2388 | return rv; |
| 2389 | } |
| 2390 | |
| 2391 | ChromeFilePropertyBag bag; |
| 2392 | CopyUTF8toUTF16(contentType, bag.mType); |
| 2393 | |
| 2394 | nsCOMPtr<nsIGlobalObject> global = GetRelevantGlobal(); |
| 2395 | |
| 2396 | ErrorResult error; |
| 2397 | RefPtr<Promise> promise = |
| 2398 | FileCreatorHelper::CreateFile(global, file, bag, true, error); |
| 2399 | if (NS_WARN_IF(error.Failed())NS_warn_if_impl(error.Failed(), "error.Failed()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2399)) { |
| 2400 | return error.StealNSResult(); |
| 2401 | } |
| 2402 | |
| 2403 | FileCreationHandler::Create(promise, this); |
| 2404 | waitingForBlobCreation = true; |
| 2405 | status = NS_OK; |
| 2406 | |
| 2407 | NS_ASSERTION(mResponseBody.IsEmpty(), "mResponseBody should be empty")do { if (!(mResponseBody.IsEmpty())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mResponseBody should be empty", "mResponseBody.IsEmpty()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2407); MOZ_PretendNoReturn (); } } while (0); |
| 2408 | NS_ASSERTION(mResponseText.IsEmpty(), "mResponseText should be empty")do { if (!(mResponseText.IsEmpty())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mResponseText should be empty", "mResponseText.IsEmpty()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2408); MOZ_PretendNoReturn (); } } while (0); |
| 2409 | } |
| 2410 | } |
| 2411 | |
| 2412 | if (NS_SUCCEEDED(status)((bool)(__builtin_expect(!!(!NS_FAILED_impl(status)), 1))) && |
| 2413 | mResponseType == XMLHttpRequestResponseType::Blob && |
| 2414 | !waitingForBlobCreation) { |
| 2415 | // Smaller files may be written in cache map instead of separate files. |
| 2416 | // Also, no-store response cannot be written in persistent cache. |
| 2417 | nsAutoCString contentType; |
| 2418 | if (!mOverrideMimeType.IsEmpty()) { |
| 2419 | contentType.Assign(NS_ConvertUTF16toUTF8(mOverrideMimeType)); |
| 2420 | } else { |
| 2421 | mChannel->GetContentType(contentType); |
| 2422 | } |
| 2423 | |
| 2424 | // mBlobStorage can be null if the channel is non-file non-cacheable |
| 2425 | // and if the response length is zero. |
| 2426 | MaybeCreateBlobStorage(); |
| 2427 | mBlobStorage->GetBlobImplWhenReady(contentType, this); |
| 2428 | waitingForBlobCreation = true; |
| 2429 | |
| 2430 | NS_ASSERTION(mResponseBody.IsEmpty(), "mResponseBody should be empty")do { if (!(mResponseBody.IsEmpty())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mResponseBody should be empty", "mResponseBody.IsEmpty()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2430); MOZ_PretendNoReturn (); } } while (0); |
| 2431 | NS_ASSERTION(mResponseText.IsEmpty(), "mResponseText should be empty")do { if (!(mResponseText.IsEmpty())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mResponseText should be empty", "mResponseText.IsEmpty()", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2431); MOZ_PretendNoReturn (); } } while (0); |
| 2432 | } else if (NS_SUCCEEDED(status)((bool)(__builtin_expect(!!(!NS_FAILED_impl(status)), 1))) && !mIsMappedArrayBuffer && |
| 2433 | mResponseType == XMLHttpRequestResponseType::Arraybuffer) { |
| 2434 | // set the capacity down to the actual length, to realloc back |
| 2435 | // down to the actual size |
| 2436 | if (!mArrayBufferBuilder->SetCapacity(mArrayBufferBuilder->Length())) { |
| 2437 | // this should never happen! |
| 2438 | status = NS_ERROR_UNEXPECTED; |
| 2439 | } |
| 2440 | } |
| 2441 | |
| 2442 | nsCOMPtr<nsIChannel> channel(do_QueryInterface(request)); |
| 2443 | NS_ENSURE_TRUE(channel, NS_ERROR_UNEXPECTED)do { if ((__builtin_expect(!!(!(channel)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "channel" ") failed", nullptr , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2443); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2444 | |
| 2445 | channel->SetNotificationCallbacks(nullptr); |
| 2446 | mNotificationCallbacks = nullptr; |
| 2447 | mChannelEventSink = nullptr; |
| 2448 | mProgressEventSink = nullptr; |
| 2449 | |
| 2450 | bool wasSync = mFlagSyncLooping; |
| 2451 | mFlagSyncLooping = false; |
| 2452 | mRequestSentTime = 0; |
| 2453 | |
| 2454 | // update our charset and decoder to match mResponseXML, |
| 2455 | // before it is possibly nulled out |
| 2456 | MatchCharsetAndDecoderToResponseDocument(); |
| 2457 | |
| 2458 | if (NS_FAILED(status)((bool)(__builtin_expect(!!(NS_FAILED_impl(status)), 0)))) { |
| 2459 | // This can happen if the server is unreachable. Other possible |
| 2460 | // reasons are that the user leaves the page or hits the ESC key. |
| 2461 | |
| 2462 | mErrorLoad = ErrorType::eUnreachable; |
| 2463 | mErrorLoadDetail = status; |
| 2464 | mResponseXML = nullptr; |
| 2465 | |
| 2466 | // Handle network errors specifically per spec. |
| 2467 | if (NS_ERROR_GET_MODULE(status) == NS_ERROR_MODULE_NETWORK6) { |
| 2468 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p detected networking error 0x%" "x" "\n" , this, static_cast<uint32_t>(status)); } } while (0) |
| 2469 | ("%p detected networking error 0x%" PRIx32 "\n", this,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p detected networking error 0x%" "x" "\n" , this, static_cast<uint32_t>(status)); } } while (0) |
| 2470 | static_cast<uint32_t>(status)))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p detected networking error 0x%" "x" "\n" , this, static_cast<uint32_t>(status)); } } while (0); |
| 2471 | IgnoredErrorResult rv; |
| 2472 | mFlagParseBody = false; |
| 2473 | RequestErrorSteps(Events::error, NS_ERROR_DOM_NETWORK_ERR, rv); |
| 2474 | // RequestErrorSteps will not call ChangeStateToDone for sync XHRs, so we |
| 2475 | // do so here to ensure progress events are sent and our state is sane. |
| 2476 | if (mFlagSynchronous) { |
| 2477 | ChangeStateToDone(wasSync); |
| 2478 | } |
| 2479 | return NS_OK; |
| 2480 | } |
| 2481 | |
| 2482 | MOZ_LOG(gXMLHttpRequestLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p detected unreachable error 0x%" "x" "\n" , this, static_cast<uint32_t>(status)); } } while (0) |
| 2483 | ("%p detected unreachable error 0x%" PRIx32 "\n", this,do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p detected unreachable error 0x%" "x" "\n" , this, static_cast<uint32_t>(status)); } } while (0) |
| 2484 | static_cast<uint32_t>(status)))do { const ::mozilla::LogModule* moz_real_module = gXMLHttpRequestLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "%p detected unreachable error 0x%" "x" "\n" , this, static_cast<uint32_t>(status)); } } while (0); |
| 2485 | } |
| 2486 | |
| 2487 | // If we're uninitialized at this point, we encountered an error |
| 2488 | // earlier and listeners have already been notified. Also we do |
| 2489 | // not want to do this if we already completed. |
| 2490 | if (mState == XMLHttpRequest_Binding::UNSENT || |
| 2491 | mState == XMLHttpRequest_Binding::DONE) { |
| 2492 | return NS_OK; |
| 2493 | } |
| 2494 | |
| 2495 | if (!mResponseXML) { |
| 2496 | mFlagParseBody = false; |
| 2497 | |
| 2498 | // We postpone the 'done' until the creation of the Blob is completed. |
| 2499 | if (!waitingForBlobCreation) { |
| 2500 | ChangeStateToDone(wasSync); |
| 2501 | } |
| 2502 | |
| 2503 | return NS_OK; |
| 2504 | } |
| 2505 | |
| 2506 | if (mIsHtml) { |
| 2507 | NS_ASSERTION(!mFlagSyncLooping,do { if (!(!mFlagSyncLooping)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "We weren't supposed to support HTML parsing with XHR!", "!mFlagSyncLooping" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2508); MOZ_PretendNoReturn (); } } while (0) |
| 2508 | "We weren't supposed to support HTML parsing with XHR!")do { if (!(!mFlagSyncLooping)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "We weren't supposed to support HTML parsing with XHR!", "!mFlagSyncLooping" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2508); MOZ_PretendNoReturn (); } } while (0); |
| 2509 | mParseEndListener = new nsXHRParseEndListener(this); |
| 2510 | RefPtr<EventTarget> eventTarget = mResponseXML; |
| 2511 | EventListenerManager* manager = eventTarget->GetOrCreateListenerManager(); |
| 2512 | manager->AddEventListenerByType(mParseEndListener, |
| 2513 | kLiteralString_DOMContentLoaded, |
| 2514 | TrustedEventsAtSystemGroupBubble()); |
| 2515 | return NS_OK; |
| 2516 | } else { |
| 2517 | mFlagParseBody = false; |
| 2518 | } |
| 2519 | |
| 2520 | // We might have been sent non-XML data. If that was the case, |
| 2521 | // we should null out the document member. The idea in this |
| 2522 | // check here is that if there is no document element it is not |
| 2523 | // an XML document. We might need a fancier check... |
| 2524 | if (!mResponseXML->GetRootElement()) { |
| 2525 | mErrorParsingXML = true; |
| 2526 | mResponseXML = nullptr; |
| 2527 | } |
| 2528 | ChangeStateToDone(wasSync); |
| 2529 | return NS_OK; |
| 2530 | } |
| 2531 | |
| 2532 | void XMLHttpRequestMainThread::OnBodyParseEnd() { |
| 2533 | mFlagParseBody = false; |
| 2534 | mParseEndListener = nullptr; |
| 2535 | ChangeStateToDone(mFlagSyncLooping); |
| 2536 | } |
| 2537 | |
| 2538 | void XMLHttpRequestMainThread::MatchCharsetAndDecoderToResponseDocument() { |
| 2539 | if (mResponseXML && |
| 2540 | (!mDecoder || |
| 2541 | mDecoder->Encoding() != mResponseXML->GetDocumentCharacterSet())) { |
| 2542 | TruncateResponseText(); |
| 2543 | mResponseBodyDecodedPos = 0; |
| 2544 | mEofDecoded = false; |
| 2545 | mDecoder = mResponseXML->GetDocumentCharacterSet()->NewDecoder(); |
| 2546 | } |
| 2547 | } |
| 2548 | |
| 2549 | void XMLHttpRequestMainThread::DisconnectDoneNotifier() { |
| 2550 | if (mDelayedDoneNotifier) { |
| 2551 | // Disconnect may release the last reference to 'this'. |
| 2552 | RefPtr<XMLHttpRequestMainThread> kungfuDeathGrip = this; |
| 2553 | mDelayedDoneNotifier->Disconnect(); |
| 2554 | mDelayedDoneNotifier = nullptr; |
| 2555 | } |
| 2556 | } |
| 2557 | |
| 2558 | void XMLHttpRequestMainThread::ChangeStateToDone(bool aWasSync) { |
| 2559 | DEBUG_WORKERREFSvoid(); |
| 2560 | DisconnectDoneNotifier(); |
| 2561 | |
| 2562 | if (!mForWorker && !aWasSync && mChannel) { |
| 2563 | // If the top level page is loading, try to postpone the handling of the |
| 2564 | // final events. |
| 2565 | nsLoadFlags loadFlags = 0; |
| 2566 | mChannel->GetLoadFlags(&loadFlags); |
| 2567 | MOZ_DIAGNOSTIC_ASSERT(loadFlags & nsIRequest::LOAD_BACKGROUND)do { static_assert( mozilla::detail::AssertionConditionType< decltype(loadFlags & nsIRequest::LOAD_BACKGROUND)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(loadFlags & nsIRequest::LOAD_BACKGROUND))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("loadFlags & nsIRequest::LOAD_BACKGROUND" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2567); AnnotateMozCrashReason ("MOZ_DIAGNOSTIC_ASSERT" "(" "loadFlags & nsIRequest::LOAD_BACKGROUND" ")"); do { MOZ_CrashSequence(__null, 2567); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2568 | nsPIDOMWindowInner* owner = GetOwnerWindow(); |
| 2569 | BrowsingContext* bc = owner ? owner->GetBrowsingContext() : nullptr; |
| 2570 | bc = bc ? bc->Top() : nullptr; |
| 2571 | if (bc && bc->IsLoading()) { |
| 2572 | MOZ_ASSERT(!mDelayedDoneNotifier)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mDelayedDoneNotifier)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mDelayedDoneNotifier))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("!mDelayedDoneNotifier" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2572); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!mDelayedDoneNotifier" ")"); do { MOZ_CrashSequence (__null, 2572); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2573 | RefPtr<XMLHttpRequestDoneNotifier> notifier = |
| 2574 | new XMLHttpRequestDoneNotifier(this); |
| 2575 | mDelayedDoneNotifier = notifier; |
| 2576 | bc->AddDeprioritizedLoadRunner(notifier); |
| 2577 | return; |
| 2578 | } |
| 2579 | } |
| 2580 | |
| 2581 | ChangeStateToDoneInternal(); |
| 2582 | } |
| 2583 | |
| 2584 | void XMLHttpRequestMainThread::ChangeStateToDoneInternal() { |
| 2585 | DEBUG_WORKERREFSvoid(); |
| 2586 | RefPtr<XMLHttpRequestMainThread> kungfuDeathGrip(this); |
| 2587 | DisconnectDoneNotifier(); |
| 2588 | StopProgressEventTimer(); |
| 2589 | |
| 2590 | MOZ_ASSERT(!mFlagParseBody,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mFlagParseBody)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mFlagParseBody))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mFlagParseBody" " (" "ChangeStateToDone() called before async HTML parsing is done." ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2591 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mFlagParseBody" ") (" "ChangeStateToDone() called before async HTML parsing is done." ")"); do { MOZ_CrashSequence(__null, 2591); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2591 | "ChangeStateToDone() called before async HTML parsing is done.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mFlagParseBody)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mFlagParseBody))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mFlagParseBody" " (" "ChangeStateToDone() called before async HTML parsing is done." ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 2591 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mFlagParseBody" ") (" "ChangeStateToDone() called before async HTML parsing is done." ")"); do { MOZ_CrashSequence(__null, 2591); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2592 | |
| 2593 | mFlagSend = false; |
| 2594 | |
| 2595 | CancelTimeoutTimer(); |
| 2596 | |
| 2597 | // Per spec, fire the last download progress event, if any, |
| 2598 | // before readystatechange=4/done. (Note that 0-sized responses |
| 2599 | // will have not sent a progress event yet, so one must be sent here). |
| 2600 | if (!mFlagSynchronous && |
| 2601 | (!mLoadTransferred || mProgressSinceLastProgressEvent)) { |
| 2602 | DispatchProgressEvent(this, Events::progress, mLoadTransferred, mLoadTotal); |
| 2603 | mProgressSinceLastProgressEvent = false; |
| 2604 | } |
| 2605 | |
| 2606 | // Notify the document when an XHR request completes successfully. |
| 2607 | // This is used by the password manager as a hint to observe DOM mutations. |
| 2608 | // Call this prior to changing state to DONE to ensure we set up the |
| 2609 | // observer before mutations occur. |
| 2610 | if (mErrorLoad == ErrorType::eOK) { |
| 2611 | if (const RefPtr<Document> doc = GetDocumentIfCurrent()) { |
| 2612 | doc->NotifyFetchOrXHRSuccess(); |
| 2613 | } |
| 2614 | } |
| 2615 | |
| 2616 | // Per spec, fire readystatechange=4/done before final error events. |
| 2617 | ChangeState(XMLHttpRequest_Binding::DONE, true); |
| 2618 | |
| 2619 | // Per spec, if we failed in the upload phase, fire a final error |
| 2620 | // and loadend events for the upload after readystatechange=4/done. |
| 2621 | if (!mFlagSynchronous && mUpload && !mUploadComplete) { |
| 2622 | DispatchProgressEvent(mUpload, Events::error, 0, -1); |
| 2623 | } |
| 2624 | |
| 2625 | // Per spec, fire download's load/error and loadend events after |
| 2626 | // readystatechange=4/done (and of course all upload events). |
| 2627 | if (mErrorLoad != ErrorType::eOK) { |
| 2628 | DispatchProgressEvent(this, Events::error, 0, -1); |
| 2629 | } else { |
| 2630 | DispatchProgressEvent(this, Events::load, mLoadTransferred, mLoadTotal); |
| 2631 | } |
| 2632 | |
| 2633 | if (mErrorLoad != ErrorType::eOK) { |
| 2634 | // By nulling out channel here we make it so that Send() can test |
| 2635 | // for that and throw. Also calling the various status |
| 2636 | // methods/members will not throw. |
| 2637 | // This matches what IE does. |
| 2638 | mChannel = nullptr; |
| 2639 | } |
| 2640 | } |
| 2641 | |
| 2642 | nsresult XMLHttpRequestMainThread::CreateChannel() { |
| 2643 | DEBUG_WORKERREFSvoid(); |
| 2644 | // When we are called from JS we can find the load group for the page, |
| 2645 | // and add ourselves to it. This way any pending requests |
| 2646 | // will be automatically aborted if the user leaves the page. |
| 2647 | nsCOMPtr<nsILoadGroup> loadGroup = GetLoadGroup(); |
| 2648 | |
| 2649 | nsSecurityFlags secFlags; |
| 2650 | nsLoadFlags loadFlags = nsIRequest::LOAD_BACKGROUND; |
| 2651 | uint32_t sandboxFlags = 0; |
| 2652 | if (mPrincipal->IsSystemPrincipal()) { |
| 2653 | // When chrome is loading we want to make sure to sandbox any potential |
| 2654 | // result document. We also want to allow cross-origin loads. |
| 2655 | secFlags = nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL; |
| 2656 | sandboxFlags = SANDBOXED_ORIGIN; |
| 2657 | } else if (IsSystemXHR()) { |
| 2658 | // For pages that have appropriate permissions, we want to still allow |
| 2659 | // cross-origin loads, but make sure that the any potential result |
| 2660 | // documents get the same principal as the loader. |
| 2661 | secFlags = nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_INHERITS_SEC_CONTEXT | |
| 2662 | nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL; |
| 2663 | loadFlags |= nsIChannel::LOAD_BYPASS_SERVICE_WORKER; |
| 2664 | } else { |
| 2665 | // Otherwise use CORS. Again, make sure that potential result documents |
| 2666 | // use the same principal as the loader. |
| 2667 | secFlags = nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT | |
| 2668 | nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL; |
| 2669 | } |
| 2670 | |
| 2671 | if (mIsAnon) { |
| 2672 | secFlags |= nsILoadInfo::SEC_COOKIES_OMIT; |
| 2673 | } |
| 2674 | |
| 2675 | // Use the responsibleDocument if we have it, except for dedicated workers |
| 2676 | // where it will be the parent document, which is not the one we want to use. |
| 2677 | nsresult rv; |
| 2678 | nsCOMPtr<Document> responsibleDocument = GetDocumentIfCurrent(); |
| 2679 | auto contentPolicyType = |
| 2680 | mFlagSynchronous ? nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST_SYNC |
| 2681 | : nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST_ASYNC; |
| 2682 | if (responsibleDocument && |
| 2683 | responsibleDocument->NodePrincipal() == mPrincipal) { |
| 2684 | rv = NS_NewChannel(getter_AddRefs(mChannel), mRequestURL, |
| 2685 | responsibleDocument, secFlags, contentPolicyType, |
| 2686 | nullptr, // aPerformanceStorage |
| 2687 | loadGroup, |
| 2688 | nullptr, // aCallbacks |
| 2689 | loadFlags, nullptr, sandboxFlags); |
| 2690 | } else if (mClientInfo.isSome()) { |
| 2691 | rv = NS_NewChannel( |
| 2692 | getter_AddRefs(mChannel), mRequestURL, mPrincipal, mClientInfo.ref(), |
| 2693 | mController, secFlags, contentPolicyType, mCookieJarSettings, |
| 2694 | mPerformanceStorage, // aPerformanceStorage |
| 2695 | loadGroup, |
| 2696 | nullptr, // aCallbacks |
| 2697 | loadFlags, nullptr, sandboxFlags, mAssociatedBrowsingContextID); |
| 2698 | } else { |
| 2699 | // Otherwise use the principal. |
| 2700 | rv = NS_NewChannel(getter_AddRefs(mChannel), mRequestURL, mPrincipal, |
| 2701 | secFlags, contentPolicyType, mCookieJarSettings, |
| 2702 | mPerformanceStorage, // aPerformanceStorage |
| 2703 | loadGroup, |
| 2704 | nullptr, // aCallbacks |
| 2705 | loadFlags, nullptr, sandboxFlags); |
| 2706 | } |
| 2707 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2707); return rv; } } while (false); |
| 2708 | |
| 2709 | if (mAssociatedBrowsingContextID) { |
| 2710 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 2711 | rv = loadInfo->SetAssociatedBrowsingContextID(mAssociatedBrowsingContextID); |
| 2712 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2712); return rv; } } while (false); |
| 2713 | } |
| 2714 | |
| 2715 | mAlreadyGotStopRequest = false; |
| 2716 | |
| 2717 | if (mCSPEventListener) { |
| 2718 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 2719 | rv = loadInfo->SetCspEventListener(mCSPEventListener); |
| 2720 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2720); return rv; } } while (false); |
| 2721 | } |
| 2722 | |
| 2723 | if (nsCOMPtr<Document> doc = GetDocumentIfCurrent()) { |
| 2724 | net::ClassificationFlags flags = doc->GetScriptTrackingFlags(); |
| 2725 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 2726 | |
| 2727 | loadInfo->SetTriggeringFirstPartyClassificationFlags(flags.firstPartyFlags); |
| 2728 | loadInfo->SetTriggeringThirdPartyClassificationFlags(flags.thirdPartyFlags); |
| 2729 | } |
| 2730 | |
| 2731 | nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(mChannel)); |
| 2732 | if (httpChannel) { |
| 2733 | rv = httpChannel->SetRequestMethod(mRequestMethod); |
| 2734 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2734); return rv; } } while (false); |
| 2735 | |
| 2736 | httpChannel->SetSource(profiler_capture_backtrace()); |
| 2737 | |
| 2738 | // Set the initiator type |
| 2739 | nsCOMPtr<nsITimedChannel> timedChannel(do_QueryInterface(httpChannel)); |
| 2740 | if (timedChannel) { |
| 2741 | timedChannel->SetInitiatorType(u"xmlhttprequest"_ns); |
| 2742 | } |
| 2743 | } |
| 2744 | |
| 2745 | return NS_OK; |
| 2746 | } |
| 2747 | |
| 2748 | void XMLHttpRequestMainThread::MaybeLowerChannelPriority() { |
| 2749 | nsCOMPtr<Document> doc = GetDocumentIfCurrent(); |
| 2750 | if (!doc) { |
| 2751 | return; |
| 2752 | } |
| 2753 | |
| 2754 | AutoJSAPI jsapi; |
| 2755 | if (!jsapi.Init(GetRelevantGlobal())) { |
| 2756 | return; |
| 2757 | } |
| 2758 | |
| 2759 | JSContext* cx = jsapi.cx(); |
| 2760 | |
| 2761 | if (!doc->IsScriptTracking(cx)) { |
| 2762 | return; |
| 2763 | } |
| 2764 | |
| 2765 | if (StaticPrefs::network_http_tailing_enabled()) { |
| 2766 | nsCOMPtr<nsIClassOfService> cos = do_QueryInterface(mChannel); |
| 2767 | if (cos) { |
| 2768 | // Adding TailAllowed to overrule the Unblocked flag, but to preserve |
| 2769 | // the effect of Unblocked when tailing is off. |
| 2770 | cos->AddClassFlags(nsIClassOfService::Throttleable | |
| 2771 | nsIClassOfService::Tail | |
| 2772 | nsIClassOfService::TailAllowed); |
| 2773 | } |
| 2774 | } |
| 2775 | |
| 2776 | nsCOMPtr<nsISupportsPriority> p = do_QueryInterface(mChannel); |
| 2777 | if (p) { |
| 2778 | p->SetPriority(nsISupportsPriority::PRIORITY_LOWEST); |
| 2779 | } |
| 2780 | } |
| 2781 | |
| 2782 | nsresult XMLHttpRequestMainThread::InitiateFetch( |
| 2783 | already_AddRefed<nsIInputStream> aUploadStream, int64_t aUploadLength, |
| 2784 | nsACString& aUploadContentType) { |
| 2785 | DEBUG_WORKERREFSvoid(); |
| 2786 | nsresult rv; |
| 2787 | nsCOMPtr<nsIInputStream> uploadStream = std::move(aUploadStream); |
| 2788 | |
| 2789 | if (IsSystemXHR() && mFlagSynchronous && |
| 2790 | StaticPrefs::network_xhr_block_sync_system_requests()) { |
| 2791 | mState = XMLHttpRequest_Binding::DONE; |
| 2792 | return NS_ERROR_DOM_NETWORK_ERR; |
| 2793 | } |
| 2794 | |
| 2795 | if (!uploadStream) { |
| 2796 | RefPtr<PreloaderBase> preload = FindPreload(); |
| 2797 | if (preload) { |
| 2798 | // Because of bug 682305, we can't let listener be the XHR object itself |
| 2799 | // because JS wouldn't be able to use it. So create a listener around |
| 2800 | // 'this'. Make sure to hold a strong reference so that we don't leak the |
| 2801 | // wrapper. |
| 2802 | nsCOMPtr<nsIStreamListener> listener = |
| 2803 | new net::nsStreamListenerWrapper(this); |
| 2804 | rv = preload->AsyncConsume(listener); |
| 2805 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 2806 | mFromPreload = true; |
| 2807 | |
| 2808 | // May be null when the preload has already finished, but the XHR code |
| 2809 | // is safe to live with it. |
| 2810 | mChannel = preload->Channel(); |
| 2811 | MOZ_ASSERT(mChannel)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mChannel)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mChannel))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mChannel", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2811); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mChannel" ")" ); do { MOZ_CrashSequence(__null, 2811); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2812 | EnsureChannelContentType(); |
| 2813 | return NS_OK; |
| 2814 | } |
| 2815 | |
| 2816 | preload = nullptr; |
| 2817 | } |
| 2818 | } |
| 2819 | |
| 2820 | nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(mChannel)); |
| 2821 | if (httpChannel) { |
| 2822 | // If the user hasn't overridden the Accept header, set it to */* per spec. |
| 2823 | if (!mAuthorRequestHeaders.Has("accept")) { |
| 2824 | mAuthorRequestHeaders.Set("accept", "*/*"_ns); |
| 2825 | } |
| 2826 | |
| 2827 | mAuthorRequestHeaders.ApplyToChannel(httpChannel, false, false); |
| 2828 | |
| 2829 | if (!IsSystemXHR()) { |
| 2830 | nsCOMPtr<nsPIDOMWindowInner> owner = GetOwnerWindow(); |
| 2831 | nsCOMPtr<Document> doc = owner ? owner->GetExtantDoc() : nullptr; |
| 2832 | nsCOMPtr<nsIReferrerInfo> referrerInfo = |
| 2833 | ReferrerInfo::CreateForFetch(mPrincipal, doc); |
| 2834 | (void)httpChannel->SetReferrerInfoWithoutClone(referrerInfo); |
| 2835 | } |
| 2836 | |
| 2837 | if (uploadStream) { |
| 2838 | // If necessary, wrap the stream in a buffered stream so as to guarantee |
| 2839 | // support for our upload when calling ExplicitSetUploadStream. |
| 2840 | if (!NS_InputStreamIsBuffered(uploadStream)) { |
| 2841 | nsCOMPtr<nsIInputStream> bufferedStream; |
| 2842 | rv = NS_NewBufferedInputStream(getter_AddRefs(bufferedStream), |
| 2843 | uploadStream.forget(), 4096); |
| 2844 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2844); return rv; } } while (false); |
| 2845 | |
| 2846 | uploadStream = bufferedStream; |
| 2847 | } |
| 2848 | |
| 2849 | // We want to use a newer version of the upload channel that won't |
| 2850 | // ignore the necessary headers for an empty Content-Type. |
| 2851 | nsCOMPtr<nsIUploadChannel2> uploadChannel(do_QueryInterface(httpChannel)); |
| 2852 | NS_ASSERTION(uploadChannel, "http must support nsIUploadChannel")do { if (!(uploadChannel)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "http must support nsIUploadChannel", "uploadChannel", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2852); MOZ_PretendNoReturn(); } } while (0); |
| 2853 | rv = uploadChannel->ExplicitSetUploadStream( |
Value stored to 'rv' is never read | |
| 2854 | uploadStream, aUploadContentType, mUploadTotal, mRequestMethod); |
| 2855 | } |
| 2856 | } |
| 2857 | |
| 2858 | // Should set a Content-Range header for blob scheme, and also slice the |
| 2859 | // blob appropriately, so we process the Range header here for later use. |
| 2860 | RefPtr<BlobURLChannel> blobChan = do_QueryObject(mChannel); |
| 2861 | if (blobChan) { |
| 2862 | nsAutoCString range; |
| 2863 | mAuthorRequestHeaders.Get("range", range); |
| 2864 | if (!range.IsVoid()) { |
| 2865 | rv = blobChan->SetRequestContentRangeHeader(range); |
| 2866 | if (mFlagSynchronous && NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 2867 | // We later fire an error progress event for non-sync |
| 2868 | mState = XMLHttpRequest_Binding::DONE; |
| 2869 | return NS_ERROR_DOM_NETWORK_ERR; |
| 2870 | } |
| 2871 | } |
| 2872 | } |
| 2873 | |
| 2874 | // Due to the chrome-only XHR.channel API, we need a hacky way to set the |
| 2875 | // SEC_COOKIES_INCLUDE *after* the channel has been has been created, since |
| 2876 | // .withCredentials can be called after open() is called. |
| 2877 | // Not doing this for privileged system XHRs since those don't use CORS. |
| 2878 | if (!IsSystemXHR() && !mIsAnon && mFlagACwithCredentials) { |
| 2879 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 2880 | static_cast<net::LoadInfo*>(loadInfo.get())->SetIncludeCookiesSecFlag(); |
| 2881 | } |
| 2882 | |
| 2883 | // We never let XHR be blocked by head CSS/JS loads to avoid potential |
| 2884 | // deadlock where server generation of CSS/JS requires an XHR signal. |
| 2885 | nsCOMPtr<nsIClassOfService> cos(do_QueryInterface(mChannel)); |
| 2886 | if (cos) { |
| 2887 | cos->AddClassFlags(nsIClassOfService::Unblocked); |
| 2888 | |
| 2889 | // Mark channel as urgent-start if the XHR is triggered by user input |
| 2890 | // events. |
| 2891 | if (UserActivation::IsHandlingUserInput()) { |
| 2892 | cos->AddClassFlags(nsIClassOfService::UrgentStart); |
| 2893 | } |
| 2894 | } |
| 2895 | |
| 2896 | // Disable Necko-internal response timeouts. |
| 2897 | nsCOMPtr<nsIHttpChannelInternal> internalHttpChannel( |
| 2898 | do_QueryInterface(mChannel)); |
| 2899 | if (internalHttpChannel) { |
| 2900 | rv = internalHttpChannel->SetResponseTimeoutEnabled(false); |
| 2901 | MOZ_ASSERT(NS_SUCCEEDED(rv))do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) )))>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2901); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))" ")"); do { MOZ_CrashSequence(__null, 2901); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2902 | } |
| 2903 | |
| 2904 | if (!mIsAnon) { |
| 2905 | AddLoadFlags(mChannel, nsIChannel::LOAD_EXPLICIT_CREDENTIALS); |
| 2906 | } |
| 2907 | |
| 2908 | // Bypass the network cache in cases where it makes no sense: |
| 2909 | // POST responses are always unique, and we provide no API that would |
| 2910 | // allow our consumers to specify a "cache key" to access old POST |
| 2911 | // responses, so they are not worth caching. |
| 2912 | if (mRequestMethod.EqualsLiteral("POST")) { |
| 2913 | AddLoadFlags(mChannel, nsICachingChannel::LOAD_BYPASS_LOCAL_CACHE | |
| 2914 | nsIRequest::INHIBIT_CACHING); |
| 2915 | } else { |
| 2916 | // When we are sync loading, we need to bypass the local cache when it would |
| 2917 | // otherwise block us waiting for exclusive access to the cache. If we |
| 2918 | // don't do this, then we could dead lock in some cases (see bug 309424). |
| 2919 | // |
| 2920 | // Also don't block on the cache entry on async if it is busy - favoring |
| 2921 | // parallelism over cache hit rate for xhr. This does not disable the cache |
| 2922 | // everywhere - only in cases where more than one channel for the same URI |
| 2923 | // is accessed simultanously. |
| 2924 | AddLoadFlags(mChannel, nsICachingChannel::LOAD_BYPASS_LOCAL_CACHE_IF_BUSY); |
| 2925 | } |
| 2926 | |
| 2927 | EnsureChannelContentType(); |
| 2928 | |
| 2929 | // Set up the preflight if needed |
| 2930 | if (!IsSystemXHR()) { |
| 2931 | nsTArray<nsCString> CORSUnsafeHeaders; |
| 2932 | mAuthorRequestHeaders.GetCORSUnsafeHeaders(CORSUnsafeHeaders); |
| 2933 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 2934 | loadInfo->SetCorsPreflightInfo(CORSUnsafeHeaders, |
| 2935 | mFlagHadUploadListenersOnSend); |
| 2936 | } |
| 2937 | |
| 2938 | // Hook us up to listen to redirects and the like. Only do this very late |
| 2939 | // since this creates a cycle between the channel and us. This cycle has |
| 2940 | // to be manually broken if anything below fails. |
| 2941 | mChannel->GetNotificationCallbacks(getter_AddRefs(mNotificationCallbacks)); |
| 2942 | mChannel->SetNotificationCallbacks(this); |
| 2943 | |
| 2944 | if (internalHttpChannel) { |
| 2945 | internalHttpChannel->SetBlockAuthPrompt(ShouldBlockAuthPrompt()); |
| 2946 | } |
| 2947 | |
| 2948 | // Because of bug 682305, we can't let listener be the XHR object itself |
| 2949 | // because JS wouldn't be able to use it. So create a listener around 'this'. |
| 2950 | // Make sure to hold a strong reference so that we don't leak the wrapper. |
| 2951 | nsCOMPtr<nsIStreamListener> listener = new net::nsStreamListenerWrapper(this); |
| 2952 | |
| 2953 | // Check if this XHR is created from a tracking script. |
| 2954 | // If yes, lower the channel's priority. |
| 2955 | if (StaticPrefs::privacy_trackingprotection_lower_network_priority()) { |
| 2956 | MaybeLowerChannelPriority(); |
| 2957 | } |
| 2958 | |
| 2959 | // Associate any originating stack with the channel. |
| 2960 | NotifyNetworkMonitorAlternateStack(mChannel, std::move(mOriginStack)); |
| 2961 | |
| 2962 | // Start reading from the channel |
| 2963 | rv = mChannel->AsyncOpen(listener); |
| 2964 | listener = nullptr; |
| 2965 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 2965)) { |
| 2966 | // Drop our ref to the channel to avoid cycles. Also drop channel's |
| 2967 | // ref to us to be extra safe. |
| 2968 | mChannel->SetNotificationCallbacks(mNotificationCallbacks); |
| 2969 | mChannel = nullptr; |
| 2970 | |
| 2971 | mErrorLoad = ErrorType::eChannelOpen; |
| 2972 | mErrorLoadDetail = rv; |
| 2973 | |
| 2974 | // Per spec, we throw on sync errors, but not async. |
| 2975 | if (mFlagSynchronous) { |
| 2976 | mState = XMLHttpRequest_Binding::DONE; |
| 2977 | return NS_ERROR_DOM_NETWORK_ERR; |
| 2978 | } |
| 2979 | } |
| 2980 | |
| 2981 | return NS_OK; |
| 2982 | } |
| 2983 | |
| 2984 | already_AddRefed<PreloaderBase> XMLHttpRequestMainThread::FindPreload() { |
| 2985 | Document* doc = GetDocumentIfCurrent(); |
| 2986 | if (!doc) { |
| 2987 | return nullptr; |
| 2988 | } |
| 2989 | if (mPrincipal->IsSystemPrincipal() || IsSystemXHR()) { |
| 2990 | return nullptr; |
| 2991 | } |
| 2992 | if (!mRequestMethod.EqualsLiteral("GET")) { |
| 2993 | // Preload can only do GET. |
| 2994 | return nullptr; |
| 2995 | } |
| 2996 | if (!mAuthorRequestHeaders.IsEmpty()) { |
| 2997 | // Preload can't set headers. |
| 2998 | return nullptr; |
| 2999 | } |
| 3000 | |
| 3001 | // mIsAnon overrules mFlagACwithCredentials. |
| 3002 | CORSMode cors = (mIsAnon || !mFlagACwithCredentials) |
| 3003 | ? CORSMode::CORS_ANONYMOUS |
| 3004 | : CORSMode::CORS_USE_CREDENTIALS; |
| 3005 | nsCOMPtr<nsIReferrerInfo> referrerInfo = |
| 3006 | ReferrerInfo::CreateForFetch(mPrincipal, doc); |
| 3007 | auto key = PreloadHashKey::CreateAsFetch(mRequestURL, cors); |
| 3008 | RefPtr<PreloaderBase> preload = doc->Preloads().LookupPreload(key); |
| 3009 | if (!preload) { |
| 3010 | return nullptr; |
| 3011 | } |
| 3012 | |
| 3013 | preload->RemoveSelf(doc); |
| 3014 | preload->NotifyUsage(doc, PreloaderBase::LoadBackground::Keep); |
| 3015 | |
| 3016 | return preload.forget(); |
| 3017 | } |
| 3018 | |
| 3019 | void XMLHttpRequestMainThread::EnsureChannelContentType() { |
| 3020 | MOZ_ASSERT(mChannel)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mChannel)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mChannel))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mChannel", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 3020); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mChannel" ")" ); do { MOZ_CrashSequence(__null, 3020); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3021 | |
| 3022 | // We don't mess with the content type of a blob URL. |
| 3023 | if (IsBlobURI(mRequestURL)) { |
| 3024 | return; |
| 3025 | } |
| 3026 | |
| 3027 | // Since we expect XML data, set the type hint accordingly |
| 3028 | // if the channel doesn't know any content type. |
| 3029 | // This means that we always try to parse local files as XML |
| 3030 | // ignoring return value, as this is not critical. Use text/xml as fallback |
| 3031 | // MIME type. |
| 3032 | nsAutoCString contentType; |
| 3033 | if (NS_FAILED(mChannel->GetContentType(contentType))((bool)(__builtin_expect(!!(NS_FAILED_impl(mChannel->GetContentType (contentType))), 0))) || |
| 3034 | contentType.IsEmpty() || |
| 3035 | contentType.EqualsLiteral(UNKNOWN_CONTENT_TYPE"application/x-unknown-content-type")) { |
| 3036 | mChannel->SetContentType("text/xml"_ns); |
| 3037 | } |
| 3038 | } |
| 3039 | |
| 3040 | void XMLHttpRequestMainThread::ResumeTimeout() { |
| 3041 | DEBUG_WORKERREFSvoid(); |
| 3042 | MOZ_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3042); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { MOZ_CrashSequence (__null, 3042); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3043 | MOZ_ASSERT(mFlagSynchronous)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mFlagSynchronous)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFlagSynchronous))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mFlagSynchronous" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3043); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mFlagSynchronous" ")"); do { MOZ_CrashSequence (__null, 3043); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3044 | |
| 3045 | if (mResumeTimeoutRunnable) { |
| 3046 | DispatchToMainThread(mResumeTimeoutRunnable.forget()); |
| 3047 | mResumeTimeoutRunnable = nullptr; |
| 3048 | } |
| 3049 | } |
| 3050 | |
| 3051 | void XMLHttpRequestMainThread::Send( |
| 3052 | const Nullable< |
| 3053 | DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString>& |
| 3054 | aData, |
| 3055 | ErrorResult& aRv) { |
| 3056 | DEBUG_WORKERREFS1(mRequestURL)void(); |
| 3057 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 3058 | |
| 3059 | if (!CanSend(aRv)) { |
| 3060 | return; |
| 3061 | } |
| 3062 | |
| 3063 | if (aData.IsNull()) { |
| 3064 | SendInternal(nullptr, false, aRv); |
| 3065 | return; |
| 3066 | } |
| 3067 | |
| 3068 | if (aData.Value().IsDocument()) { |
| 3069 | BodyExtractor<Document> body(&aData.Value().GetAsDocument()); |
| 3070 | SendInternal(&body, true, aRv); |
| 3071 | return; |
| 3072 | } |
| 3073 | |
| 3074 | if (aData.Value().IsBlob()) { |
| 3075 | BodyExtractor<const Blob> body(&aData.Value().GetAsBlob()); |
| 3076 | SendInternal(&body, false, aRv); |
| 3077 | return; |
| 3078 | } |
| 3079 | |
| 3080 | if (aData.Value().IsArrayBuffer()) { |
| 3081 | BodyExtractor<const ArrayBuffer> body(&aData.Value().GetAsArrayBuffer()); |
| 3082 | SendInternal(&body, false, aRv); |
| 3083 | return; |
| 3084 | } |
| 3085 | |
| 3086 | if (aData.Value().IsArrayBufferView()) { |
| 3087 | BodyExtractor<const ArrayBufferView> body( |
| 3088 | &aData.Value().GetAsArrayBufferView()); |
| 3089 | SendInternal(&body, false, aRv); |
| 3090 | return; |
| 3091 | } |
| 3092 | |
| 3093 | if (aData.Value().IsFormData()) { |
| 3094 | BodyExtractor<const FormData> body(&aData.Value().GetAsFormData()); |
| 3095 | SendInternal(&body, false, aRv); |
| 3096 | return; |
| 3097 | } |
| 3098 | |
| 3099 | if (aData.Value().IsURLSearchParams()) { |
| 3100 | BodyExtractor<const URLSearchParams> body( |
| 3101 | &aData.Value().GetAsURLSearchParams()); |
| 3102 | SendInternal(&body, false, aRv); |
| 3103 | return; |
| 3104 | } |
| 3105 | |
| 3106 | if (aData.Value().IsUSVString()) { |
| 3107 | BodyExtractor<const nsAString> body(&aData.Value().GetAsUSVString()); |
| 3108 | SendInternal(&body, true, aRv); |
| 3109 | return; |
| 3110 | } |
| 3111 | } |
| 3112 | |
| 3113 | nsresult XMLHttpRequestMainThread::MaybeSilentSendFailure(nsresult aRv) { |
| 3114 | // Per spec, silently fail on async request failures; throw for sync. |
| 3115 | if (mFlagSynchronous) { |
| 3116 | mState = XMLHttpRequest_Binding::DONE; |
| 3117 | return NS_ERROR_DOM_NETWORK_ERR; |
| 3118 | } |
| 3119 | |
| 3120 | // Defer the actual sending of async events just in case listeners |
| 3121 | // are attached after the send() method is called. |
| 3122 | (void)NS_WARN_IF(NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(DispatchToMainThread (NewRunnableMethod<ErrorProgressEventType>( "dom::XMLHttpRequestMainThread::CloseRequestWithError" , this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))), 0))), "NS_FAILED(DispatchToMainThread(NewRunnableMethod<ErrorProgressEventType>( \"dom::XMLHttpRequestMainThread::CloseRequestWithError\", this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3125) |
| 3123 | NS_FAILED(DispatchToMainThread(NewRunnableMethod<ErrorProgressEventType>(NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(DispatchToMainThread (NewRunnableMethod<ErrorProgressEventType>( "dom::XMLHttpRequestMainThread::CloseRequestWithError" , this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))), 0))), "NS_FAILED(DispatchToMainThread(NewRunnableMethod<ErrorProgressEventType>( \"dom::XMLHttpRequestMainThread::CloseRequestWithError\", this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3125) |
| 3124 | "dom::XMLHttpRequestMainThread::CloseRequestWithError", this,NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(DispatchToMainThread (NewRunnableMethod<ErrorProgressEventType>( "dom::XMLHttpRequestMainThread::CloseRequestWithError" , this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))), 0))), "NS_FAILED(DispatchToMainThread(NewRunnableMethod<ErrorProgressEventType>( \"dom::XMLHttpRequestMainThread::CloseRequestWithError\", this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3125) |
| 3125 | &XMLHttpRequestMainThread::CloseRequestWithError, Events::error))))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(DispatchToMainThread (NewRunnableMethod<ErrorProgressEventType>( "dom::XMLHttpRequestMainThread::CloseRequestWithError" , this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))), 0))), "NS_FAILED(DispatchToMainThread(NewRunnableMethod<ErrorProgressEventType>( \"dom::XMLHttpRequestMainThread::CloseRequestWithError\", this, &XMLHttpRequestMainThread::CloseRequestWithError, Events::error)))" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3125); |
| 3126 | return NS_OK; |
| 3127 | } |
| 3128 | |
| 3129 | bool XMLHttpRequestMainThread::CanSend(ErrorResult& aRv) { |
| 3130 | if (!mPrincipal) { |
| 3131 | aRv.Throw(NS_ERROR_NOT_INITIALIZED); |
| 3132 | return false; |
| 3133 | } |
| 3134 | |
| 3135 | // Step 1 |
| 3136 | if (mState != XMLHttpRequest_Binding::OPENED) { |
| 3137 | aRv.ThrowInvalidStateError("XMLHttpRequest state must be OPENED."); |
| 3138 | return false; |
| 3139 | } |
| 3140 | |
| 3141 | // Step 2 |
| 3142 | if (mFlagSend) { |
| 3143 | aRv.ThrowInvalidStateError("XMLHttpRequest must not be sending."); |
| 3144 | return false; |
| 3145 | } |
| 3146 | |
| 3147 | if (NS_FAILED(CheckCurrentGlobalCorrectness())((bool)(__builtin_expect(!!(NS_FAILED_impl(CheckCurrentGlobalCorrectness ())), 0)))) { |
| 3148 | aRv.Throw(NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); |
| 3149 | return false; |
| 3150 | } |
| 3151 | |
| 3152 | // Backstop against late workers. |
| 3153 | if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) { |
| 3154 | aRv.Throw(NS_ERROR_ILLEGAL_DURING_SHUTDOWN); |
| 3155 | return false; |
| 3156 | } |
| 3157 | |
| 3158 | return true; |
| 3159 | } |
| 3160 | |
| 3161 | void XMLHttpRequestMainThread::SendInternal(const BodyExtractorBase* aBody, |
| 3162 | bool aBodyIsDocumentOrString, |
| 3163 | ErrorResult& aRv) { |
| 3164 | DEBUG_WORKERREFSvoid(); |
| 3165 | MOZ_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3165); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { MOZ_CrashSequence (__null, 3165); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3166 | |
| 3167 | // We expect that CanSend has been called before we get here! |
| 3168 | // We cannot move the remaining two checks below there because |
| 3169 | // MaybeSilentSendFailure can cause unexpected side effects if called |
| 3170 | // too early. |
| 3171 | |
| 3172 | // If open() failed to create the channel, then throw a network error |
| 3173 | // as per spec. We really should create the channel here in send(), but |
| 3174 | // we have internal code relying on the channel being created in open(). |
| 3175 | if (!mChannel) { |
| 3176 | mErrorLoad = ErrorType::eChannelOpen; |
| 3177 | mErrorLoadDetail = NS_ERROR_DOM_NETWORK_ERR; |
| 3178 | mFlagSend = true; // so CloseRequestWithError sets us to DONE. |
| 3179 | aRv = MaybeSilentSendFailure(mErrorLoadDetail); |
| 3180 | return; |
| 3181 | } |
| 3182 | |
| 3183 | // non-GET requests aren't allowed for blob. |
| 3184 | if (IsBlobURI(mRequestURL) && !mRequestMethod.EqualsLiteral("GET")) { |
| 3185 | mErrorLoad = ErrorType::eChannelOpen; |
| 3186 | mErrorLoadDetail = NS_ERROR_DOM_NETWORK_ERR; |
| 3187 | mFlagSend = true; // so CloseRequestWithError sets us to DONE. |
| 3188 | aRv = MaybeSilentSendFailure(mErrorLoadDetail); |
| 3189 | return; |
| 3190 | } |
| 3191 | |
| 3192 | // https://fetch.spec.whatwg.org/#concept-fetch |
| 3193 | // XHR uses the Fetch algorithm; MIME sniffing does not apply to fetch |
| 3194 | // requests, only to browsing contexts. |
| 3195 | // Exception: when responseType is "document", XHR needs the content type |
| 3196 | // to parse the response as HTML/XML, so allow sniffing as a fallback. |
| 3197 | if (mResponseType != XMLHttpRequestResponseType::Document) { |
| 3198 | nsCOMPtr<nsILoadInfo> loadInfo = mChannel->LoadInfo(); |
| 3199 | loadInfo->SetSkipContentSniffing(true); |
| 3200 | } |
| 3201 | |
| 3202 | // XXX We should probably send a warning to the JS console |
| 3203 | // if there are no event listeners set and we are doing |
| 3204 | // an asynchronous call. |
| 3205 | |
| 3206 | mUploadTransferred = 0; |
| 3207 | mUploadTotal = 0; |
| 3208 | // By default we don't have any upload, so mark upload complete. |
| 3209 | mUploadComplete = true; |
| 3210 | mErrorLoad = ErrorType::eOK; |
| 3211 | mErrorLoadDetail = NS_OK; |
| 3212 | mLoadTotal = -1; |
| 3213 | nsCOMPtr<nsIInputStream> uploadStream; |
| 3214 | nsAutoCString uploadContentType; |
| 3215 | nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(mChannel)); |
| 3216 | if (aBody && httpChannel && !mRequestMethod.EqualsLiteral("GET") && |
| 3217 | !mRequestMethod.EqualsLiteral("HEAD")) { |
| 3218 | nsAutoCString charset; |
| 3219 | nsAutoCString defaultContentType; |
| 3220 | uint64_t size_u64; |
| 3221 | aRv = aBody->GetAsStream(getter_AddRefs(uploadStream), &size_u64, |
| 3222 | defaultContentType, charset); |
| 3223 | if (aRv.Failed()) { |
| 3224 | return; |
| 3225 | } |
| 3226 | |
| 3227 | // make sure it fits within js MAX_SAFE_INTEGER |
| 3228 | mUploadTotal = |
| 3229 | net::InScriptableRange(size_u64) ? static_cast<int64_t>(size_u64) : -1; |
| 3230 | |
| 3231 | if (uploadStream) { |
| 3232 | // If author set no Content-Type, use the default from GetAsStream(). |
| 3233 | mAuthorRequestHeaders.Get("content-type", uploadContentType); |
| 3234 | if (uploadContentType.IsVoid()) { |
| 3235 | uploadContentType = defaultContentType; |
| 3236 | } else if (aBodyIsDocumentOrString) { |
| 3237 | RefPtr<CMimeType> contentTypeRecord = |
| 3238 | CMimeType::Parse(uploadContentType); |
| 3239 | nsAutoCString charset; |
| 3240 | if (contentTypeRecord && |
| 3241 | contentTypeRecord->GetParameterValue(kLiteralString_charset, |
| 3242 | charset) && |
| 3243 | !charset.EqualsIgnoreCase("utf-8")) { |
| 3244 | contentTypeRecord->SetParameterValue(kLiteralString_charset, |
| 3245 | kLiteralString_UTF_8); |
| 3246 | contentTypeRecord->Serialize(uploadContentType); |
| 3247 | } |
| 3248 | } else if (!charset.IsEmpty()) { |
| 3249 | // We don't want to set a charset for streams. |
| 3250 | // Replace all case-insensitive matches of the charset in the |
| 3251 | // content-type with the correct case. |
| 3252 | RequestHeaders::CharsetIterator iter(uploadContentType); |
| 3253 | while (iter.Next()) { |
| 3254 | if (!iter.Equals(charset, nsCaseInsensitiveCStringComparator)) { |
| 3255 | iter.Replace(charset); |
| 3256 | } |
| 3257 | } |
| 3258 | } |
| 3259 | |
| 3260 | mUploadComplete = false; |
| 3261 | } |
| 3262 | } |
| 3263 | |
| 3264 | ResetResponse(); |
| 3265 | |
| 3266 | // Check if we should enable cross-origin upload listeners. |
| 3267 | if (mUpload && mUpload->HasListeners()) { |
| 3268 | mFlagHadUploadListenersOnSend = true; |
| 3269 | } |
| 3270 | |
| 3271 | mIsMappedArrayBuffer = false; |
| 3272 | if (mResponseType == XMLHttpRequestResponseType::Arraybuffer && |
| 3273 | StaticPrefs::dom_mapped_arraybuffer_enabled()) { |
| 3274 | nsCOMPtr<nsIURI> uri; |
| 3275 | nsAutoCString scheme; |
| 3276 | |
| 3277 | aRv = mChannel->GetURI(getter_AddRefs(uri)); |
| 3278 | if (!aRv.Failed()) { |
| 3279 | uri->GetScheme(scheme); |
| 3280 | if (scheme.LowerCaseEqualsLiteral("jar")) { |
| 3281 | mIsMappedArrayBuffer = true; |
| 3282 | } |
| 3283 | } |
| 3284 | } |
| 3285 | |
| 3286 | aRv = InitiateFetch(uploadStream.forget(), mUploadTotal, uploadContentType); |
| 3287 | if (aRv.Failed()) { |
| 3288 | return; |
| 3289 | } |
| 3290 | |
| 3291 | // Start our timeout |
| 3292 | mRequestSentTime = PR_Now(); |
| 3293 | StartTimeoutTimer(); |
| 3294 | |
| 3295 | mWaitingForOnStopRequest = true; |
| 3296 | |
| 3297 | // Step 8 |
| 3298 | mFlagSend = true; |
| 3299 | |
| 3300 | // If we're synchronous, spin an event loop here and wait |
| 3301 | RefPtr<Document> suspendedDoc; |
| 3302 | if (mFlagSynchronous) { |
| 3303 | auto scopeExit = MakeScopeExit([&] { |
| 3304 | CancelSyncTimeoutTimer(); |
| 3305 | ResumeTimeout(); |
| 3306 | ResumeEventDispatching(); |
| 3307 | }); |
| 3308 | Maybe<AutoSuppressEventHandling> autoSuppress; |
| 3309 | |
| 3310 | mFlagSyncLooping = true; |
| 3311 | |
| 3312 | nsCOMPtr<nsPIDOMWindowInner> window = |
| 3313 | GetWindowForSyncLoop(GetRelevantGlobal()); |
| 3314 | if (window && window->GetOuterWindow()) { |
| 3315 | if (nsCOMPtr<nsPIDOMWindowOuter> topWindow = |
| 3316 | window->GetOuterWindow()->GetInProcessTop()) { |
| 3317 | if (nsCOMPtr<nsPIDOMWindowInner> topInner = |
| 3318 | topWindow->GetCurrentInnerWindow()) { |
| 3319 | suspendedDoc = topWindow->GetExtantDoc(); |
| 3320 | autoSuppress.emplace(topWindow->GetBrowsingContext()); |
| 3321 | topInner->Suspend(); |
| 3322 | mResumeTimeoutRunnable = new nsResumeTimeoutsEvent(topInner); |
| 3323 | } |
| 3324 | } |
| 3325 | } |
| 3326 | |
| 3327 | SuspendEventDispatching(); |
| 3328 | StopProgressEventTimer(); |
| 3329 | |
| 3330 | SyncTimeoutType syncTimeoutType = MaybeStartSyncTimeoutTimer(); |
| 3331 | if (syncTimeoutType == eErrorOrExpired) { |
| 3332 | Abort(); |
| 3333 | aRv.Throw(NS_ERROR_DOM_NETWORK_ERR); |
| 3334 | return; |
| 3335 | } |
| 3336 | |
| 3337 | nsresult channelStatus = NS_OK; |
| 3338 | nsAutoSyncOperation sync(suspendedDoc, |
| 3339 | SyncOperationBehavior::eSuspendInput); |
| 3340 | if (!SpinEventLoopUntil("XMLHttpRequestMainThread::SendInternal"_ns, [&]() { |
| 3341 | if (mFlagSyncLooping && mChannel) { |
| 3342 | // The purpose of this check is to enable XHR channel cancelation |
| 3343 | // upon navigating away from the page that is doing sync XHR |
| 3344 | // to genuinely make the sync XHR go away within the same task. |
| 3345 | mChannel->GetStatus(&channelStatus); |
| 3346 | // Can't change mFlagSyncLooping to false, because other |
| 3347 | // end-of-request code expects to be able to see it as true |
| 3348 | // still even if we exit the loop early due to the channel |
| 3349 | // getting canceled. |
| 3350 | } |
| 3351 | return !mFlagSyncLooping || NS_FAILED(channelStatus)((bool)(__builtin_expect(!!(NS_FAILED_impl(channelStatus)), 0 ))); |
| 3352 | })) { |
| 3353 | aRv.Throw(NS_ERROR_UNEXPECTED); |
| 3354 | return; |
| 3355 | } |
| 3356 | if (NS_FAILED(channelStatus)((bool)(__builtin_expect(!!(NS_FAILED_impl(channelStatus)), 0 )))) { |
| 3357 | MOZ_ASSERT(mFlagSyncLooping)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mFlagSyncLooping)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFlagSyncLooping))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mFlagSyncLooping" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3357); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mFlagSyncLooping" ")"); do { MOZ_CrashSequence (__null, 3357); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3358 | // As mentioned above, when navigating away, we want channel cancelation |
| 3359 | // to make the sync XHR go away within the same task. This also requires |
| 3360 | // us to set the correct error result and dispatch events. So call |
| 3361 | // OnStopRequest explicitly instead of the channel calling it after |
| 3362 | // SendInternal has already completed. |
| 3363 | // Consecutive OnStopRequests are blocked due to mAlreadyGotStopRequest |
| 3364 | OnStopRequest(mChannel, channelStatus); |
| 3365 | } |
| 3366 | |
| 3367 | // Time expired... We should throw. |
| 3368 | if (syncTimeoutType == eTimerStarted && !mSyncTimeoutTimer) { |
| 3369 | aRv.Throw(NS_ERROR_DOM_NETWORK_ERR); |
| 3370 | return; |
| 3371 | } |
| 3372 | } else { |
| 3373 | // Now that we've successfully opened the channel, we can change state. Note |
| 3374 | // that this needs to come after the AsyncOpen() and rv check, because this |
| 3375 | // can run script that would try to restart this request, and that could end |
| 3376 | // up doing our AsyncOpen on a null channel if the reentered AsyncOpen |
| 3377 | // fails. |
| 3378 | StopProgressEventTimer(); |
| 3379 | |
| 3380 | // Upload phase beginning; start the progress event timer if necessary. |
| 3381 | if (mUpload && mUpload->HasListenersFor(nsGkAtoms::onprogress)) { |
| 3382 | StartProgressEventTimer(); |
| 3383 | } |
| 3384 | // Dispatch loadstart events |
| 3385 | DispatchProgressEvent(this, Events::loadstart, 0, -1); |
| 3386 | if (mUpload && !mUploadComplete) { |
| 3387 | DispatchProgressEvent(mUpload, Events::loadstart, 0, mUploadTotal); |
| 3388 | } |
| 3389 | } |
| 3390 | |
| 3391 | if (!mChannel) { |
| 3392 | aRv = MaybeSilentSendFailure(NS_ERROR_DOM_NETWORK_ERR); |
| 3393 | } |
| 3394 | } |
| 3395 | |
| 3396 | // http://dvcs.w3.org/hg/xhr/raw-file/tip/Overview.html#dom-xmlhttprequest-setrequestheader |
| 3397 | void XMLHttpRequestMainThread::SetRequestHeader(const nsACString& aName, |
| 3398 | const nsACString& aValue, |
| 3399 | ErrorResult& aRv) { |
| 3400 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 3401 | |
| 3402 | // Step 1 |
| 3403 | if (mState != XMLHttpRequest_Binding::OPENED) { |
| 3404 | aRv.ThrowInvalidStateError("XMLHttpRequest state must be OPENED."); |
| 3405 | return; |
| 3406 | } |
| 3407 | |
| 3408 | // Step 2 |
| 3409 | if (mFlagSend) { |
| 3410 | aRv.ThrowInvalidStateError("XMLHttpRequest must not be sending."); |
| 3411 | return; |
| 3412 | } |
| 3413 | |
| 3414 | // Step 3 |
| 3415 | nsAutoCString value; |
| 3416 | NS_TrimHTTPWhitespace(aValue, value); |
| 3417 | |
| 3418 | // Step 4 |
| 3419 | if (!NS_IsValidHTTPToken(aName) || !NS_IsReasonableHTTPHeaderValue(value)) { |
| 3420 | aRv.Throw(NS_ERROR_DOM_INVALID_HEADER_NAME); |
| 3421 | return; |
| 3422 | } |
| 3423 | |
| 3424 | // Step 5 |
| 3425 | bool isPrivilegedCaller = IsSystemXHR(); |
| 3426 | bool isForbiddenHeader = |
| 3427 | nsContentUtils::IsForbiddenRequestHeader(aName, aValue); |
| 3428 | if (!isPrivilegedCaller && isForbiddenHeader) { |
| 3429 | AutoTArray<nsString, 1> params; |
| 3430 | CopyUTF8toUTF16(aName, *params.AppendElement()); |
| 3431 | LogMessage("ForbiddenHeaderWarning", GetOwnerWindow(), params); |
| 3432 | return; |
| 3433 | } |
| 3434 | |
| 3435 | // Step 6.1 |
| 3436 | // Skipping for now, as normalizing the case of header names may not be |
| 3437 | // web-compatible. See bug 1285036. |
| 3438 | |
| 3439 | // Step 6.2-6.3 |
| 3440 | // Gecko-specific: invalid headers can be set by privileged |
| 3441 | // callers, but will not merge. |
| 3442 | if (isPrivilegedCaller && isForbiddenHeader) { |
| 3443 | mAuthorRequestHeaders.Set(aName, value); |
| 3444 | } else { |
| 3445 | mAuthorRequestHeaders.MergeOrSet(aName, value); |
| 3446 | } |
| 3447 | } |
| 3448 | |
| 3449 | void XMLHttpRequestMainThread::SetTimeout(uint32_t aTimeout, ErrorResult& aRv) { |
| 3450 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 3451 | |
| 3452 | if (mFlagSynchronous && mState != XMLHttpRequest_Binding::UNSENT && |
| 3453 | HasOrHasHadOwnerWindow()) { |
| 3454 | /* Timeout is not supported for synchronous requests with an owning window, |
| 3455 | per XHR2 spec. */ |
| 3456 | LogMessage("TimeoutSyncXHRWarning", GetOwnerWindow()); |
| 3457 | aRv.ThrowInvalidAccessError( |
| 3458 | "synchronous XMLHttpRequests do not support timeout and responseType"); |
| 3459 | return; |
| 3460 | } |
| 3461 | |
| 3462 | mTimeoutMilliseconds = aTimeout; |
| 3463 | if (mRequestSentTime) { |
| 3464 | StartTimeoutTimer(); |
| 3465 | } |
| 3466 | } |
| 3467 | |
| 3468 | nsIEventTarget* XMLHttpRequestMainThread::GetTimerEventTarget() { |
| 3469 | if (nsIGlobalObject* global = GetRelevantGlobal()) { |
| 3470 | return global->SerialEventTarget(); |
| 3471 | } |
| 3472 | return nullptr; |
| 3473 | } |
| 3474 | |
| 3475 | nsresult XMLHttpRequestMainThread::DispatchToMainThread( |
| 3476 | already_AddRefed<nsIRunnable> aRunnable) { |
| 3477 | DEBUG_WORKERREFSvoid(); |
| 3478 | if (nsIGlobalObject* global = GetRelevantGlobal()) { |
| 3479 | return global->Dispatch(std::move(aRunnable)); |
| 3480 | } |
| 3481 | return NS_DispatchToMainThread(std::move(aRunnable)); |
| 3482 | } |
| 3483 | |
| 3484 | void XMLHttpRequestMainThread::StartTimeoutTimer() { |
| 3485 | DEBUG_WORKERREFSvoid(); |
| 3486 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRequestSentTime)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mRequestSentTime))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRequestSentTime" " (" "StartTimeoutTimer mustn't be called before the request was sent!" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3488 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRequestSentTime" ") (" "StartTimeoutTimer mustn't be called before the request was sent!" ")"); do { MOZ_CrashSequence(__null, 3488); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 3487 | mRequestSentTime,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRequestSentTime)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mRequestSentTime))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRequestSentTime" " (" "StartTimeoutTimer mustn't be called before the request was sent!" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3488 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRequestSentTime" ") (" "StartTimeoutTimer mustn't be called before the request was sent!" ")"); do { MOZ_CrashSequence(__null, 3488); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 3488 | "StartTimeoutTimer mustn't be called before the request was sent!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRequestSentTime)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mRequestSentTime))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRequestSentTime" " (" "StartTimeoutTimer mustn't be called before the request was sent!" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3488 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRequestSentTime" ") (" "StartTimeoutTimer mustn't be called before the request was sent!" ")"); do { MOZ_CrashSequence(__null, 3488); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3489 | if (mState == XMLHttpRequest_Binding::DONE) { |
| 3490 | // do nothing! |
| 3491 | return; |
| 3492 | } |
| 3493 | |
| 3494 | CancelTimeoutTimer(); |
| 3495 | |
| 3496 | if (!mTimeoutMilliseconds) { |
| 3497 | return; |
| 3498 | } |
| 3499 | |
| 3500 | if (!mTimeoutTimer) { |
| 3501 | mTimeoutTimer = NS_NewTimer(GetTimerEventTarget()); |
| 3502 | } |
| 3503 | uint32_t elapsed = |
| 3504 | (uint32_t)((PR_Now() - mRequestSentTime) / PR_USEC_PER_MSEC1000L); |
| 3505 | mTimeoutTimer->InitWithCallback( |
| 3506 | this, mTimeoutMilliseconds > elapsed ? mTimeoutMilliseconds - elapsed : 0, |
| 3507 | nsITimer::TYPE_ONE_SHOT); |
| 3508 | } |
| 3509 | |
| 3510 | uint16_t XMLHttpRequestMainThread::ReadyState() const { return mState; } |
| 3511 | |
| 3512 | void XMLHttpRequestMainThread::OverrideMimeType(const nsAString& aMimeType, |
| 3513 | ErrorResult& aRv) { |
| 3514 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 3515 | |
| 3516 | if (mState == XMLHttpRequest_Binding::LOADING || |
| 3517 | mState == XMLHttpRequest_Binding::DONE) { |
| 3518 | aRv.ThrowInvalidStateError( |
| 3519 | "Cannot call 'overrideMimeType()' on XMLHttpRequest after 'send()' " |
| 3520 | "(when its state is LOADING or DONE)."); |
| 3521 | return; |
| 3522 | } |
| 3523 | |
| 3524 | RefPtr<MimeType> parsed = MimeType::Parse(aMimeType); |
| 3525 | if (parsed) { |
| 3526 | parsed->Serialize(mOverrideMimeType); |
| 3527 | } else { |
| 3528 | mOverrideMimeType.AssignLiteral(APPLICATION_OCTET_STREAM"application/octet-stream"); |
| 3529 | } |
| 3530 | } |
| 3531 | |
| 3532 | bool XMLHttpRequestMainThread::MozBackgroundRequest() const { |
| 3533 | return mFlagBackgroundRequest; |
| 3534 | } |
| 3535 | |
| 3536 | void XMLHttpRequestMainThread::SetMozBackgroundRequestExternal( |
| 3537 | bool aMozBackgroundRequest, ErrorResult& aRv) { |
| 3538 | if (!IsSystemXHR()) { |
| 3539 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 3540 | return; |
| 3541 | } |
| 3542 | |
| 3543 | if (mState != XMLHttpRequest_Binding::UNSENT) { |
| 3544 | // Can't change this while we're in the middle of something. |
| 3545 | aRv.ThrowInvalidStateError("XMLHttpRequest must not be sending."); |
| 3546 | return; |
| 3547 | } |
| 3548 | |
| 3549 | mFlagBackgroundRequest = aMozBackgroundRequest; |
| 3550 | } |
| 3551 | |
| 3552 | void XMLHttpRequestMainThread::SetMozBackgroundRequest( |
| 3553 | bool aMozBackgroundRequest, ErrorResult& aRv) { |
| 3554 | // No errors for this webIDL method on main-thread. |
| 3555 | SetMozBackgroundRequestExternal(aMozBackgroundRequest, IgnoreErrors()); |
| 3556 | } |
| 3557 | |
| 3558 | void XMLHttpRequestMainThread::SetOriginStack( |
| 3559 | UniquePtr<SerializedStackHolder> aOriginStack) { |
| 3560 | mOriginStack = std::move(aOriginStack); |
| 3561 | } |
| 3562 | |
| 3563 | void XMLHttpRequestMainThread::SetSource( |
| 3564 | UniquePtr<ProfileChunkedBuffer> aSource) { |
| 3565 | if (!mChannel) { |
| 3566 | return; |
| 3567 | } |
| 3568 | nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel); |
| 3569 | |
| 3570 | if (httpChannel) { |
| 3571 | httpChannel->SetSource(std::move(aSource)); |
| 3572 | } |
| 3573 | } |
| 3574 | |
| 3575 | bool XMLHttpRequestMainThread::WithCredentials() const { |
| 3576 | return mFlagACwithCredentials; |
| 3577 | } |
| 3578 | |
| 3579 | void XMLHttpRequestMainThread::SetWithCredentials(bool aWithCredentials, |
| 3580 | ErrorResult& aRv) { |
| 3581 | NOT_CALLABLE_IN_SYNC_SEND_RVif (mFlagSyncLooping || mEventDispatchingSuspended) { aRv.Throw (NS_ERROR_DOM_INVALID_STATE_XHR_HAS_INVALID_CONTEXT); return; } |
| 3582 | |
| 3583 | // Return error if we're already processing a request. Note that we can't use |
| 3584 | // ReadyState() here, because it can't differentiate between "opened" and |
| 3585 | // "sent", so we use mState directly. |
| 3586 | |
| 3587 | if ((mState != XMLHttpRequest_Binding::UNSENT && |
| 3588 | mState != XMLHttpRequest_Binding::OPENED) || |
| 3589 | mFlagSend || mIsAnon) { |
| 3590 | aRv.ThrowInvalidStateError("XMLHttpRequest must not be sending."); |
| 3591 | return; |
| 3592 | } |
| 3593 | |
| 3594 | mFlagACwithCredentials = aWithCredentials; |
| 3595 | } |
| 3596 | |
| 3597 | nsresult XMLHttpRequestMainThread::ChangeState(uint16_t aState, |
| 3598 | bool aBroadcast) { |
| 3599 | mState = aState; |
| 3600 | nsresult rv = NS_OK; |
| 3601 | |
| 3602 | if (aState != XMLHttpRequest_Binding::HEADERS_RECEIVED && |
| 3603 | aState != XMLHttpRequest_Binding::LOADING) { |
| 3604 | StopProgressEventTimer(); |
| 3605 | } |
| 3606 | |
| 3607 | if (aBroadcast && |
| 3608 | (!mFlagSynchronous || aState == XMLHttpRequest_Binding::OPENED || |
| 3609 | aState == XMLHttpRequest_Binding::DONE)) { |
| 3610 | rv = FireReadystatechangeEvent(); |
| 3611 | } |
| 3612 | |
| 3613 | return rv; |
| 3614 | } |
| 3615 | |
| 3616 | ///////////////////////////////////////////////////// |
| 3617 | // nsIChannelEventSink methods: |
| 3618 | // |
| 3619 | NS_IMETHODIMPnsresult |
| 3620 | XMLHttpRequestMainThread::AsyncOnChannelRedirect( |
| 3621 | nsIChannel* aOldChannel, nsIChannel* aNewChannel, uint32_t aFlags, |
| 3622 | nsIAsyncVerifyRedirectCallback* callback) { |
| 3623 | DEBUG_WORKERREFSvoid(); |
| 3624 | MOZ_ASSERT(aNewChannel, "Redirect without a channel?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aNewChannel)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aNewChannel))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aNewChannel" " (" "Redirect without a channel?" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 3624); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aNewChannel" ") (" "Redirect without a channel?" ")"); do { MOZ_CrashSequence (__null, 3624); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3625 | |
| 3626 | // Prepare to receive callback |
| 3627 | mRedirectCallback = callback; |
| 3628 | mNewRedirectChannel = aNewChannel; |
| 3629 | |
| 3630 | if (mChannelEventSink) { |
| 3631 | nsCOMPtr<nsIAsyncVerifyRedirectCallback> fwd = EnsureXPCOMifier(); |
| 3632 | |
| 3633 | nsresult rv = mChannelEventSink->AsyncOnChannelRedirect( |
| 3634 | aOldChannel, aNewChannel, aFlags, fwd); |
| 3635 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 3636 | mRedirectCallback = nullptr; |
| 3637 | mNewRedirectChannel = nullptr; |
| 3638 | } |
| 3639 | return rv; |
| 3640 | } |
| 3641 | |
| 3642 | // we need to strip Authentication headers for cross-origin requests |
| 3643 | // Ref: https://fetch.spec.whatwg.org/#http-redirect-fetch |
| 3644 | bool stripAuth = |
| 3645 | NS_ShouldRemoveAuthHeaderOnRedirect(aOldChannel, aNewChannel, aFlags); |
| 3646 | |
| 3647 | OnRedirectVerifyCallback(NS_OK, stripAuth); |
| 3648 | |
| 3649 | return NS_OK; |
| 3650 | } |
| 3651 | |
| 3652 | nsresult XMLHttpRequestMainThread::OnRedirectVerifyCallback(nsresult result, |
| 3653 | bool aStripAuth) { |
| 3654 | DEBUG_WORKERREFSvoid(); |
| 3655 | NS_ASSERTION(mRedirectCallback, "mRedirectCallback not set in callback")do { if (!(mRedirectCallback)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mRedirectCallback not set in callback", "mRedirectCallback" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3655); MOZ_PretendNoReturn (); } } while (0); |
| 3656 | NS_ASSERTION(mNewRedirectChannel, "mNewRedirectChannel not set in callback")do { if (!(mNewRedirectChannel)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "mNewRedirectChannel not set in callback", "mNewRedirectChannel" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3656); MOZ_PretendNoReturn (); } } while (0); |
| 3657 | |
| 3658 | if (NS_SUCCEEDED(result)((bool)(__builtin_expect(!!(!NS_FAILED_impl(result)), 1)))) { |
| 3659 | bool rewriteToGET = false; |
| 3660 | nsCOMPtr<nsIHttpChannel> oldHttpChannel = GetCurrentHttpChannel(); |
| 3661 | // Fetch 4.4.11 |
| 3662 | (void)oldHttpChannel->ShouldStripRequestBodyHeader(mRequestMethod, |
| 3663 | &rewriteToGET); |
| 3664 | |
| 3665 | mChannel = mNewRedirectChannel; |
| 3666 | |
| 3667 | nsCOMPtr<nsIHttpChannel> newHttpChannel(do_QueryInterface(mChannel)); |
| 3668 | if (newHttpChannel) { |
| 3669 | // Ensure all original headers are duplicated for the new channel (bug |
| 3670 | // #553888) |
| 3671 | mAuthorRequestHeaders.ApplyToChannel(newHttpChannel, rewriteToGET, |
| 3672 | aStripAuth); |
| 3673 | } |
| 3674 | } else { |
| 3675 | mErrorLoad = ErrorType::eRedirect; |
| 3676 | mErrorLoadDetail = result; |
| 3677 | } |
| 3678 | |
| 3679 | mNewRedirectChannel = nullptr; |
| 3680 | |
| 3681 | mRedirectCallback->OnRedirectVerifyCallback(result); |
| 3682 | mRedirectCallback = nullptr; |
| 3683 | |
| 3684 | // It's important that we return success here. If we return the result code |
| 3685 | // that we were passed, JavaScript callers who cancel the redirect will wind |
| 3686 | // up throwing an exception in the process. |
| 3687 | return NS_OK; |
| 3688 | } |
| 3689 | |
| 3690 | ///////////////////////////////////////////////////// |
| 3691 | // nsIProgressEventSink methods: |
| 3692 | // |
| 3693 | |
| 3694 | NS_IMETHODIMPnsresult |
| 3695 | XMLHttpRequestMainThread::OnProgress(nsIRequest* aRequest, int64_t aProgress, |
| 3696 | int64_t aProgressMax) { |
| 3697 | DEBUG_WORKERREFSvoid(); |
| 3698 | // When uploading, OnProgress reports also headers in aProgress and |
| 3699 | // aProgressMax. So, try to remove the headers, if possible. |
| 3700 | bool lengthComputable = (aProgressMax != -1); |
| 3701 | if (InUploadPhase()) { |
| 3702 | int64_t loaded = aProgress; |
| 3703 | if (lengthComputable) { |
| 3704 | int64_t headerSize = aProgressMax - mUploadTotal; |
| 3705 | loaded -= headerSize; |
| 3706 | } |
| 3707 | mUploadTransferred = loaded; |
| 3708 | mProgressSinceLastProgressEvent = true; |
| 3709 | |
| 3710 | if (!mFlagSynchronous && !mProgressTimerIsActive) { |
| 3711 | StartProgressEventTimer(); |
| 3712 | } |
| 3713 | } else { |
| 3714 | mLoadTotal = aProgressMax; |
| 3715 | mLoadTransferred = aProgress; |
| 3716 | // OnDataAvailable() handles mProgressSinceLastProgressEvent |
| 3717 | // for the download phase. |
| 3718 | } |
| 3719 | |
| 3720 | if (mProgressEventSink) { |
| 3721 | mProgressEventSink->OnProgress(aRequest, aProgress, aProgressMax); |
| 3722 | } |
| 3723 | |
| 3724 | return NS_OK; |
| 3725 | } |
| 3726 | |
| 3727 | NS_IMETHODIMPnsresult |
| 3728 | XMLHttpRequestMainThread::OnStatus(nsIRequest* aRequest, nsresult aStatus, |
| 3729 | const char16_t* aStatusArg) { |
| 3730 | DEBUG_WORKERREFSvoid(); |
| 3731 | if (mProgressEventSink) { |
| 3732 | mProgressEventSink->OnStatus(aRequest, aStatus, aStatusArg); |
| 3733 | } |
| 3734 | |
| 3735 | return NS_OK; |
| 3736 | } |
| 3737 | |
| 3738 | bool XMLHttpRequestMainThread::AllowUploadProgress() { |
| 3739 | return !IsCrossSiteCORSRequest() || mFlagHadUploadListenersOnSend; |
| 3740 | } |
| 3741 | |
| 3742 | ///////////////////////////////////////////////////// |
| 3743 | // nsIInterfaceRequestor methods: |
| 3744 | // |
| 3745 | NS_IMETHODIMPnsresult |
| 3746 | XMLHttpRequestMainThread::GetInterface(const nsIID& aIID, void** aResult) { |
| 3747 | nsresult rv; |
| 3748 | |
| 3749 | // Make sure to return ourselves for the channel event sink interface and |
| 3750 | // progress event sink interface, no matter what. We can forward these to |
| 3751 | // mNotificationCallbacks if it wants to get notifications for them. But we |
| 3752 | // need to see these notifications for proper functioning. |
| 3753 | if (aIID.Equals(NS_GET_IID(nsIChannelEventSink)(nsIChannelEventSink::kIID))) { |
| 3754 | mChannelEventSink = do_GetInterface(mNotificationCallbacks); |
| 3755 | *aResult = static_cast<nsIChannelEventSink*>(EnsureXPCOMifier().take()); |
| 3756 | return NS_OK; |
| 3757 | } else if (aIID.Equals(NS_GET_IID(nsIProgressEventSink)(nsIProgressEventSink::kIID))) { |
| 3758 | mProgressEventSink = do_GetInterface(mNotificationCallbacks); |
| 3759 | *aResult = static_cast<nsIProgressEventSink*>(EnsureXPCOMifier().take()); |
| 3760 | return NS_OK; |
| 3761 | } |
| 3762 | |
| 3763 | // Now give mNotificationCallbacks (if non-null) a chance to return the |
| 3764 | // desired interface. |
| 3765 | if (mNotificationCallbacks) { |
| 3766 | rv = mNotificationCallbacks->GetInterface(aIID, aResult); |
| 3767 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 3768 | NS_ASSERTION(*aResult, "Lying nsIInterfaceRequestor implementation!")do { if (!(*aResult)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Lying nsIInterfaceRequestor implementation!" , "*aResult", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 3768); MOZ_PretendNoReturn(); } } while (0); |
| 3769 | return rv; |
| 3770 | } |
| 3771 | } |
| 3772 | |
| 3773 | if (!mFlagBackgroundRequest && (aIID.Equals(NS_GET_IID(nsIAuthPrompt)(nsIAuthPrompt::kIID)) || |
| 3774 | aIID.Equals(NS_GET_IID(nsIAuthPrompt2)(nsIAuthPrompt2::kIID)))) { |
| 3775 | nsCOMPtr<nsIPromptFactory> wwatch = |
| 3776 | do_GetService(NS_WINDOWWATCHER_CONTRACTID"@mozilla.org/embedcomp/window-watcher;1", &rv); |
| 3777 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 3777); return rv; } } while (false); |
| 3778 | |
| 3779 | // Get the an auth prompter for our window so that the parenting |
| 3780 | // of the dialogs works as it should when using tabs. |
| 3781 | nsCOMPtr<nsPIDOMWindowOuter> window; |
| 3782 | if (nsGlobalWindowInner* inner = GetOwnerWindow()) { |
| 3783 | window = inner->GetOuterWindow(); |
| 3784 | } |
| 3785 | return wwatch->GetPrompt(window, aIID, reinterpret_cast<void**>(aResult)); |
| 3786 | } |
| 3787 | |
| 3788 | // Now check for the various XHR non-DOM interfaces, except |
| 3789 | // nsIProgressEventSink and nsIChannelEventSink which we already |
| 3790 | // handled above. |
| 3791 | if (aIID.Equals(NS_GET_IID(nsIStreamListener)(nsIStreamListener::kIID))) { |
| 3792 | *aResult = static_cast<nsIStreamListener*>(EnsureXPCOMifier().take()); |
| 3793 | return NS_OK; |
| 3794 | } |
| 3795 | if (aIID.Equals(NS_GET_IID(nsIRequestObserver)(nsIRequestObserver::kIID))) { |
| 3796 | *aResult = static_cast<nsIRequestObserver*>(EnsureXPCOMifier().take()); |
| 3797 | return NS_OK; |
| 3798 | } |
| 3799 | if (aIID.Equals(NS_GET_IID(nsITimerCallback)(nsITimerCallback::kIID))) { |
| 3800 | *aResult = static_cast<nsITimerCallback*>(EnsureXPCOMifier().take()); |
| 3801 | return NS_OK; |
| 3802 | } |
| 3803 | |
| 3804 | return QueryInterface(aIID, aResult); |
| 3805 | } |
| 3806 | |
| 3807 | void XMLHttpRequestMainThread::GetInterface( |
| 3808 | JSContext* aCx, JS::Handle<JS::Value> aIID, |
| 3809 | JS::MutableHandle<JS::Value> aRetval, ErrorResult& aRv) { |
| 3810 | dom::GetInterface(aCx, this, aIID, aRetval, aRv); |
| 3811 | } |
| 3812 | |
| 3813 | XMLHttpRequestUpload* XMLHttpRequestMainThread::GetUpload(ErrorResult& aRv) { |
| 3814 | if (!mUpload) { |
| 3815 | mUpload = new XMLHttpRequestUpload(this); |
| 3816 | } |
| 3817 | return mUpload; |
| 3818 | } |
| 3819 | |
| 3820 | bool XMLHttpRequestMainThread::MozAnon() const { return mIsAnon; } |
| 3821 | |
| 3822 | bool XMLHttpRequestMainThread::MozSystem() const { return IsSystemXHR(); } |
| 3823 | |
| 3824 | void XMLHttpRequestMainThread::HandleTimeoutCallback() { |
| 3825 | DEBUG_WORKERREFSvoid(); |
| 3826 | if (mState == XMLHttpRequest_Binding::DONE) { |
| 3827 | MOZ_ASSERT_UNREACHABLE(do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "XMLHttpRequestMainThread::HandleTimeoutCallback " "with completed request" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3829 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "XMLHttpRequestMainThread::HandleTimeoutCallback " "with completed request" ")"); do { MOZ_CrashSequence(__null, 3829); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 3828 | "XMLHttpRequestMainThread::HandleTimeoutCallback "do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "XMLHttpRequestMainThread::HandleTimeoutCallback " "with completed request" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3829 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "XMLHttpRequestMainThread::HandleTimeoutCallback " "with completed request" ")"); do { MOZ_CrashSequence(__null, 3829); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 3829 | "with completed request")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "XMLHttpRequestMainThread::HandleTimeoutCallback " "with completed request" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3829 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "XMLHttpRequestMainThread::HandleTimeoutCallback " "with completed request" ")"); do { MOZ_CrashSequence(__null, 3829); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3830 | // do nothing! |
| 3831 | return; |
| 3832 | } |
| 3833 | |
| 3834 | mFlagTimedOut = true; |
| 3835 | CloseRequestWithError(Events::timeout); |
| 3836 | } |
| 3837 | |
| 3838 | void XMLHttpRequestMainThread::CancelTimeoutTimer() { |
| 3839 | DEBUG_WORKERREFSvoid(); |
| 3840 | if (mTimeoutTimer) { |
| 3841 | mTimeoutTimer->Cancel(); |
| 3842 | mTimeoutTimer = nullptr; |
| 3843 | } |
| 3844 | } |
| 3845 | |
| 3846 | NS_IMETHODIMPnsresult |
| 3847 | XMLHttpRequestMainThread::Notify(nsITimer* aTimer) { |
| 3848 | DEBUG_WORKERREFSvoid(); |
| 3849 | if (mProgressNotifier == aTimer) { |
| 3850 | HandleProgressTimerCallback(); |
| 3851 | return NS_OK; |
| 3852 | } |
| 3853 | |
| 3854 | if (mTimeoutTimer == aTimer) { |
| 3855 | HandleTimeoutCallback(); |
| 3856 | return NS_OK; |
| 3857 | } |
| 3858 | |
| 3859 | if (mSyncTimeoutTimer == aTimer) { |
| 3860 | HandleSyncTimeoutTimer(); |
| 3861 | return NS_OK; |
| 3862 | } |
| 3863 | |
| 3864 | // Just in case some JS user wants to QI to nsITimerCallback and play with |
| 3865 | // us... |
| 3866 | NS_WARNING("Unexpected timer!")NS_DebugBreak(NS_DEBUG_WARNING, "Unexpected timer!", nullptr, "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3866); |
| 3867 | return NS_ERROR_INVALID_POINTER; |
| 3868 | } |
| 3869 | |
| 3870 | void XMLHttpRequestMainThread::HandleProgressTimerCallback() { |
| 3871 | DEBUG_WORKERREFSvoid(); |
| 3872 | // Don't fire the progress event if mLoadTotal is 0, see XHR spec step 6.1 |
| 3873 | if (!mLoadTotal && mLoadTransferred) { |
| 3874 | return; |
| 3875 | } |
| 3876 | |
| 3877 | mProgressTimerIsActive = false; |
| 3878 | |
| 3879 | if (!mProgressSinceLastProgressEvent || mErrorLoad != ErrorType::eOK) { |
| 3880 | return; |
| 3881 | } |
| 3882 | |
| 3883 | if (InUploadPhase()) { |
| 3884 | if (mUpload && !mUploadComplete && mFlagHadUploadListenersOnSend) { |
| 3885 | DispatchProgressEvent(mUpload, Events::progress, mUploadTransferred, |
| 3886 | mUploadTotal); |
| 3887 | } |
| 3888 | } else { |
| 3889 | // Don't fire events when state is UNSENT. This can happen if abort() was |
| 3890 | // called and changed the state to UNSENT, but this timer callback was |
| 3891 | // already queued. Per spec, readystatechange doesn't fire when changing to |
| 3892 | // UNSENT, and progress events only fire during data transmission. |
| 3893 | if (mState != XMLHttpRequest_Binding::UNSENT) { |
| 3894 | FireReadystatechangeEvent(); |
| 3895 | DispatchProgressEvent(this, Events::progress, mLoadTransferred, |
| 3896 | mLoadTotal); |
| 3897 | } |
| 3898 | } |
| 3899 | |
| 3900 | mProgressSinceLastProgressEvent = false; |
| 3901 | |
| 3902 | // Don't restart the timer if we're in UNSENT state. |
| 3903 | if (mState != XMLHttpRequest_Binding::UNSENT) { |
| 3904 | StartProgressEventTimer(); |
| 3905 | } |
| 3906 | } |
| 3907 | |
| 3908 | void XMLHttpRequestMainThread::StopProgressEventTimer() { |
| 3909 | if (mProgressNotifier) { |
| 3910 | mProgressTimerIsActive = false; |
| 3911 | mProgressNotifier->Cancel(); |
| 3912 | } |
| 3913 | } |
| 3914 | |
| 3915 | void XMLHttpRequestMainThread::StartProgressEventTimer() { |
| 3916 | if (!mProgressNotifier) { |
| 3917 | mProgressNotifier = NS_NewTimer(GetTimerEventTarget()); |
| 3918 | } |
| 3919 | if (mProgressNotifier) { |
| 3920 | mProgressTimerIsActive = true; |
| 3921 | mProgressNotifier->Cancel(); |
| 3922 | mProgressNotifier->InitWithCallback(this, NS_PROGRESS_EVENT_INTERVAL50, |
| 3923 | nsITimer::TYPE_ONE_SHOT); |
| 3924 | } |
| 3925 | } |
| 3926 | |
| 3927 | XMLHttpRequestMainThread::SyncTimeoutType |
| 3928 | XMLHttpRequestMainThread::MaybeStartSyncTimeoutTimer() { |
| 3929 | MOZ_ASSERT(mFlagSynchronous)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mFlagSynchronous)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFlagSynchronous))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mFlagSynchronous" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3929); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mFlagSynchronous" ")"); do { MOZ_CrashSequence (__null, 3929); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3930 | |
| 3931 | Document* doc = GetDocumentIfCurrent(); |
| 3932 | if (!doc || !doc->GetPageUnloadingEventTimeStamp()) { |
| 3933 | return eNoTimerNeeded; |
| 3934 | } |
| 3935 | |
| 3936 | // If we are in a beforeunload or a unload event, we must force a timeout. |
| 3937 | TimeDuration diff = |
| 3938 | (TimeStamp::NowLoRes() - doc->GetPageUnloadingEventTimeStamp()); |
| 3939 | if (diff.ToMilliseconds() > MAX_SYNC_TIMEOUT_WHEN_UNLOADING10000) { |
| 3940 | return eErrorOrExpired; |
| 3941 | } |
| 3942 | |
| 3943 | mSyncTimeoutTimer = NS_NewTimer(GetTimerEventTarget()); |
| 3944 | if (!mSyncTimeoutTimer) { |
| 3945 | return eErrorOrExpired; |
| 3946 | } |
| 3947 | |
| 3948 | uint32_t timeout = MAX_SYNC_TIMEOUT_WHEN_UNLOADING10000 - diff.ToMilliseconds(); |
| 3949 | nsresult rv = mSyncTimeoutTimer->InitWithCallback(this, timeout, |
| 3950 | nsITimer::TYPE_ONE_SHOT); |
| 3951 | return NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0))) ? eErrorOrExpired : eTimerStarted; |
| 3952 | } |
| 3953 | |
| 3954 | void XMLHttpRequestMainThread::HandleSyncTimeoutTimer() { |
| 3955 | MOZ_ASSERT(mSyncTimeoutTimer)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mSyncTimeoutTimer)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mSyncTimeoutTimer))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mSyncTimeoutTimer" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3955); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mSyncTimeoutTimer" ")"); do { MOZ_CrashSequence (__null, 3955); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3956 | MOZ_ASSERT(mFlagSyncLooping)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mFlagSyncLooping)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFlagSyncLooping))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mFlagSyncLooping" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 3956); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mFlagSyncLooping" ")"); do { MOZ_CrashSequence (__null, 3956); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 3957 | |
| 3958 | CancelSyncTimeoutTimer(); |
| 3959 | Abort(); |
| 3960 | mErrorLoadDetail = NS_ERROR_DOM_TIMEOUT_ERR; |
| 3961 | } |
| 3962 | |
| 3963 | void XMLHttpRequestMainThread::CancelSyncTimeoutTimer() { |
| 3964 | if (mSyncTimeoutTimer) { |
| 3965 | mSyncTimeoutTimer->Cancel(); |
| 3966 | mSyncTimeoutTimer = nullptr; |
| 3967 | } |
| 3968 | } |
| 3969 | |
| 3970 | already_AddRefed<nsXMLHttpRequestXPCOMifier> |
| 3971 | XMLHttpRequestMainThread::EnsureXPCOMifier() { |
| 3972 | if (!mXPCOMifier) { |
| 3973 | mXPCOMifier = new nsXMLHttpRequestXPCOMifier(this); |
| 3974 | } |
| 3975 | RefPtr<nsXMLHttpRequestXPCOMifier> newRef(mXPCOMifier); |
| 3976 | return newRef.forget(); |
| 3977 | } |
| 3978 | |
| 3979 | bool XMLHttpRequestMainThread::ShouldBlockAuthPrompt() { |
| 3980 | // Verify that it's ok to prompt for credentials here, per spec |
| 3981 | // http://xhr.spec.whatwg.org/#the-send%28%29-method |
| 3982 | |
| 3983 | if (mAuthorRequestHeaders.Has("authorization")) { |
| 3984 | return true; |
| 3985 | } |
| 3986 | |
| 3987 | nsCOMPtr<nsIURI> uri; |
| 3988 | nsresult rv = mChannel->GetURI(getter_AddRefs(uri)); |
| 3989 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 3989)) { |
| 3990 | return false; |
| 3991 | } |
| 3992 | |
| 3993 | // Also skip if a username and/or password is provided in the URI. |
| 3994 | bool hasUserPass; |
| 3995 | return NS_SUCCEEDED(uri->GetHasUserPass(&hasUserPass))((bool)(__builtin_expect(!!(!NS_FAILED_impl(uri->GetHasUserPass (&hasUserPass))), 1))) && hasUserPass; |
| 3996 | } |
| 3997 | |
| 3998 | void XMLHttpRequestMainThread::TruncateResponseText() { |
| 3999 | mResponseText.Truncate(); |
| 4000 | XMLHttpRequest_Binding::ClearCachedResponseTextValue(this); |
| 4001 | } |
| 4002 | |
| 4003 | NS_IMPL_ISUPPORTS(XMLHttpRequestMainThread::nsHeaderVisitor,MozExternalRefCountType XMLHttpRequestMainThread::nsHeaderVisitor ::AddRef(void) { static_assert(!std::is_destructible_v<XMLHttpRequestMainThread ::nsHeaderVisitor>, "Reference-counted class " "XMLHttpRequestMainThread::nsHeaderVisitor" " should not have a public destructor. " "Make this class's destructor non-public" ); do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4004); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 4004 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4004); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 4004); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("XMLHttpRequestMainThread::nsHeaderVisitor" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "XMLHttpRequestMainThread::nsHeaderVisitor"), (uint32_t)(sizeof (*this))); return count; } MozExternalRefCountType XMLHttpRequestMainThread ::nsHeaderVisitor::Release(void) { do { static_assert( mozilla ::detail::AssertionConditionType<decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(int32_t(mRefCnt) > 0))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4004 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 4004 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4004); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 4004); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("XMLHttpRequestMainThread::nsHeaderVisitor" " not thread-safe" ); const char* const nametmp = "XMLHttpRequestMainThread::nsHeaderVisitor" ; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), ( nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult XMLHttpRequestMainThread::nsHeaderVisitor ::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "QueryInterface requires a non-NULL destination!", "aInstancePtr" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4004); MOZ_PretendNoReturn (); } } while (0); nsresult rv = NS_ERROR_FAILURE; static_assert (1 > 0, "Need more arguments to NS_INTERFACE_TABLE"); static const QITableEntry table[] = { {&mozilla::detail::kImplementedIID <XMLHttpRequestMainThread::nsHeaderVisitor, nsIHttpHeaderVisitor >, int32_t( reinterpret_cast<char*>(static_cast<nsIHttpHeaderVisitor *>((XMLHttpRequestMainThread::nsHeaderVisitor*)0x1000)) - reinterpret_cast <char*>((XMLHttpRequestMainThread::nsHeaderVisitor*)0x1000 ))}, {&mozilla::detail::kImplementedIID<XMLHttpRequestMainThread ::nsHeaderVisitor, nsISupports>, int32_t(reinterpret_cast< char*>(static_cast<nsISupports*>( static_cast<nsIHttpHeaderVisitor *>((XMLHttpRequestMainThread::nsHeaderVisitor*)0x1000))) - reinterpret_cast<char*>((XMLHttpRequestMainThread::nsHeaderVisitor *)0x1000))}, { nullptr, 0 } } ; static_assert(std::size(table ) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI (static_cast<void*>(this), aIID, aInstancePtr, table); return rv; } |
| 4004 | nsIHttpHeaderVisitor)MozExternalRefCountType XMLHttpRequestMainThread::nsHeaderVisitor ::AddRef(void) { static_assert(!std::is_destructible_v<XMLHttpRequestMainThread ::nsHeaderVisitor>, "Reference-counted class " "XMLHttpRequestMainThread::nsHeaderVisitor" " should not have a public destructor. " "Make this class's destructor non-public" ); do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4004); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 4004 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4004); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 4004); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("XMLHttpRequestMainThread::nsHeaderVisitor" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "XMLHttpRequestMainThread::nsHeaderVisitor"), (uint32_t)(sizeof (*this))); return count; } MozExternalRefCountType XMLHttpRequestMainThread ::nsHeaderVisitor::Release(void) { do { static_assert( mozilla ::detail::AssertionConditionType<decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(int32_t(mRefCnt) > 0))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4004 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 4004 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("XMLHttpRequestMainThread::nsHeaderVisitor" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" " (" "Must specify a name" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4004); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"XMLHttpRequestMainThread::nsHeaderVisitor\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 4004); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("XMLHttpRequestMainThread::nsHeaderVisitor" " not thread-safe" ); const char* const nametmp = "XMLHttpRequestMainThread::nsHeaderVisitor" ; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), ( nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult XMLHttpRequestMainThread::nsHeaderVisitor ::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "QueryInterface requires a non-NULL destination!", "aInstancePtr" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4004); MOZ_PretendNoReturn (); } } while (0); nsresult rv = NS_ERROR_FAILURE; static_assert (1 > 0, "Need more arguments to NS_INTERFACE_TABLE"); static const QITableEntry table[] = { {&mozilla::detail::kImplementedIID <XMLHttpRequestMainThread::nsHeaderVisitor, nsIHttpHeaderVisitor >, int32_t( reinterpret_cast<char*>(static_cast<nsIHttpHeaderVisitor *>((XMLHttpRequestMainThread::nsHeaderVisitor*)0x1000)) - reinterpret_cast <char*>((XMLHttpRequestMainThread::nsHeaderVisitor*)0x1000 ))}, {&mozilla::detail::kImplementedIID<XMLHttpRequestMainThread ::nsHeaderVisitor, nsISupports>, int32_t(reinterpret_cast< char*>(static_cast<nsISupports*>( static_cast<nsIHttpHeaderVisitor *>((XMLHttpRequestMainThread::nsHeaderVisitor*)0x1000))) - reinterpret_cast<char*>((XMLHttpRequestMainThread::nsHeaderVisitor *)0x1000))}, { nullptr, 0 } } ; static_assert(std::size(table ) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI (static_cast<void*>(this), aIID, aInstancePtr, table); return rv; } |
| 4005 | |
| 4006 | NS_IMETHODIMPnsresult XMLHttpRequestMainThread::nsHeaderVisitor::VisitHeader( |
| 4007 | const nsACString& header, const nsACString& value) { |
| 4008 | if (mXHR.IsSafeHeader(header, mHttpChannel)) { |
| 4009 | nsAutoCString lowerHeader(header); |
| 4010 | ToLowerCase(lowerHeader); |
| 4011 | if (!mHeaderList.InsertElementSorted(HeaderEntry(lowerHeader, value), |
| 4012 | fallible)) { |
| 4013 | return NS_ERROR_OUT_OF_MEMORY; |
| 4014 | } |
| 4015 | } |
| 4016 | return NS_OK; |
| 4017 | } |
| 4018 | |
| 4019 | XMLHttpRequestMainThread::nsHeaderVisitor::nsHeaderVisitor( |
| 4020 | const XMLHttpRequestMainThread& aXMLHttpRequest, |
| 4021 | NotNull<nsIHttpChannel*> aHttpChannel) |
| 4022 | : mXHR(aXMLHttpRequest), mHttpChannel(aHttpChannel) {} |
| 4023 | |
| 4024 | XMLHttpRequestMainThread::nsHeaderVisitor::~nsHeaderVisitor() = default; |
| 4025 | |
| 4026 | void XMLHttpRequestMainThread::MaybeCreateBlobStorage() { |
| 4027 | DEBUG_WORKERREFSvoid(); |
| 4028 | MOZ_ASSERT(mResponseType == XMLHttpRequestResponseType::Blob)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mResponseType == XMLHttpRequestResponseType::Blob)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mResponseType == XMLHttpRequestResponseType::Blob))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("mResponseType == XMLHttpRequestResponseType::Blob" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4028); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mResponseType == XMLHttpRequestResponseType::Blob" ")"); do { MOZ_CrashSequence(__null, 4028); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4029 | |
| 4030 | if (mBlobStorage) { |
| 4031 | return; |
| 4032 | } |
| 4033 | |
| 4034 | MutableBlobStorage::MutableBlobStorageType storageType = |
| 4035 | BasePrincipal::Cast(mPrincipal)->PrivateBrowsingId() == 0 |
| 4036 | ? MutableBlobStorage::eCouldBeInTemporaryFile |
| 4037 | : MutableBlobStorage::eOnlyInMemory; |
| 4038 | |
| 4039 | nsCOMPtr<nsIEventTarget> eventTarget; |
| 4040 | if (nsIGlobalObject* global = GetRelevantGlobal()) { |
| 4041 | eventTarget = global->SerialEventTarget(); |
| 4042 | } |
| 4043 | |
| 4044 | mBlobStorage = new MutableBlobStorage(storageType, eventTarget); |
| 4045 | } |
| 4046 | |
| 4047 | void XMLHttpRequestMainThread::BlobStoreCompleted( |
| 4048 | MutableBlobStorage* aBlobStorage, BlobImpl* aBlobImpl, nsresult aRv) { |
| 4049 | DEBUG_WORKERREFSvoid(); |
| 4050 | // Ok, the state is changed... |
| 4051 | if (mBlobStorage != aBlobStorage || NS_FAILED(aRv)((bool)(__builtin_expect(!!(NS_FAILED_impl(aRv)), 0)))) { |
| 4052 | return; |
| 4053 | } |
| 4054 | |
| 4055 | MOZ_ASSERT(mState != XMLHttpRequest_Binding::DONE)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mState != XMLHttpRequest_Binding::DONE)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mState != XMLHttpRequest_Binding::DONE))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mState != XMLHttpRequest_Binding::DONE" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4055); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mState != XMLHttpRequest_Binding::DONE" ")" ); do { MOZ_CrashSequence(__null, 4055); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4056 | |
| 4057 | mResponseBlobImpl = aBlobImpl; |
| 4058 | mBlobStorage = nullptr; |
| 4059 | |
| 4060 | ChangeStateToDone(mFlagSyncLooping); |
| 4061 | } |
| 4062 | |
| 4063 | NS_IMETHODIMPnsresult |
| 4064 | XMLHttpRequestMainThread::GetName(nsACString& aName) { |
| 4065 | aName.AssignLiteral("XMLHttpRequest"); |
| 4066 | return NS_OK; |
| 4067 | } |
| 4068 | |
| 4069 | // nsXMLHttpRequestXPCOMifier implementation |
| 4070 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsXMLHttpRequestXPCOMifier)nsresult nsXMLHttpRequestXPCOMifier::QueryInterface(const nsIID & aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4070); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; if (TopThreeWordsEquals( aIID, (nsXPCOMCycleCollectionParticipant ::kIID), (nsCycleCollectionISupports::kIID)) && (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::kIID)) || LowWordEquals (aIID, (nsCycleCollectionISupports::kIID)))) { if (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::kIID))) { *aInstancePtr = nsXMLHttpRequestXPCOMifier::cycleCollection::GetParticipant (); return NS_OK; } if (LowWordEquals(aIID, (nsCycleCollectionISupports ::kIID))) { *aInstancePtr = nsXMLHttpRequestXPCOMifier::cycleCollection ::Upcast(this); return NS_OK; } foundInterface = nullptr; } else |
| 4071 | NS_INTERFACE_MAP_ENTRY(nsIStreamListener)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIStreamListener>)) foundInterface = static_cast<nsIStreamListener*>(this); else |
| 4072 | NS_INTERFACE_MAP_ENTRY(nsIRequestObserver)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIRequestObserver>)) foundInterface = static_cast<nsIRequestObserver*>(this); else |
| 4073 | NS_INTERFACE_MAP_ENTRY(nsIChannelEventSink)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIChannelEventSink>)) foundInterface = static_cast<nsIChannelEventSink*>(this); else |
| 4074 | NS_INTERFACE_MAP_ENTRY(nsIAsyncVerifyRedirectCallback)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIAsyncVerifyRedirectCallback>)) foundInterface = static_cast<nsIAsyncVerifyRedirectCallback *>(this); else |
| 4075 | NS_INTERFACE_MAP_ENTRY(nsIProgressEventSink)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIProgressEventSink>)) foundInterface = static_cast<nsIProgressEventSink*>(this); else |
| 4076 | NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIInterfaceRequestor>)) foundInterface = static_cast<nsIInterfaceRequestor*>(this); else |
| 4077 | NS_INTERFACE_MAP_ENTRY(nsITimerCallback)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsITimerCallback>)) foundInterface = static_cast<nsITimerCallback*>(this); else |
| 4078 | NS_INTERFACE_MAP_ENTRY(nsINamed)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsINamed>)) foundInterface = static_cast <nsINamed*>(this); else |
| 4079 | NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStreamListener)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupports>)) foundInterface = static_cast <nsISupports*>(static_cast<nsIStreamListener*>(this )); else |
| 4080 | NS_INTERFACE_MAP_ENDfoundInterface = 0; nsresult status; if (!foundInterface) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aIID.Equals((nsISupports::kIID)))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aIID.Equals((nsISupports::kIID ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!aIID.Equals((nsISupports::kIID))", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4080); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aIID.Equals((nsISupports::kIID))" ")"); do { MOZ_CrashSequence(__null, 4080); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); status = NS_NOINTERFACE ; } else { (foundInterface)->AddRef(); status = NS_OK; } * aInstancePtr = foundInterface; return status; } |
| 4081 | |
| 4082 | NS_IMPL_CYCLE_COLLECTING_ADDREF(nsXMLHttpRequestXPCOMifier)MozExternalRefCountType nsXMLHttpRequestXPCOMifier::AddRef(void ) { static_assert(!std::is_destructible_v<nsXMLHttpRequestXPCOMifier >, "Reference-counted class " "nsXMLHttpRequestXPCOMifier" " should not have a public destructor. " "Make this class's destructor non-public" ); do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4082); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 4082 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsXMLHttpRequestXPCOMifier" " not thread-safe"); nsISupports* base = nsXMLHttpRequestXPCOMifier ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.incr (base); NS_LogAddRef((this), (count), ("nsXMLHttpRequestXPCOMifier" ), (uint32_t)(sizeof(*this))); return count; } |
| 4083 | NS_IMPL_CYCLE_COLLECTING_RELEASE(nsXMLHttpRequestXPCOMifier)MozExternalRefCountType nsXMLHttpRequestXPCOMifier::Release(void ) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4083); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 4083 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsXMLHttpRequestXPCOMifier" " not thread-safe"); nsISupports* base = nsXMLHttpRequestXPCOMifier ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.decr (base); if (count == 0) { NS_CycleCollectableHasRefCntZero(); } NS_LogRelease((this), (count), ("nsXMLHttpRequestXPCOMifier" )); return count; } void nsXMLHttpRequestXPCOMifier::DeleteCycleCollectable (void) { delete (this); } |
| 4084 | |
| 4085 | // Can't NS_IMPL_CYCLE_COLLECTION( because mXHR has ambiguous |
| 4086 | // inheritance from nsISupports. |
| 4087 | NS_IMPL_CYCLE_COLLECTION_CLASS(nsXMLHttpRequestXPCOMifier)nsXMLHttpRequestXPCOMifier::cycleCollection nsXMLHttpRequestXPCOMifier ::_cycleCollectorGlobal; |
| 4088 | |
| 4089 | NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsXMLHttpRequestXPCOMifier)void nsXMLHttpRequestXPCOMifier::cycleCollection::Unlink(void * p) { nsXMLHttpRequestXPCOMifier* tmp = DowncastCCParticipant <nsXMLHttpRequestXPCOMifier>(p); |
| 4090 | if (tmp->mXHR) { |
| 4091 | tmp->mXHR->mXPCOMifier = nullptr; |
| 4092 | } |
| 4093 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mXHR)ImplCycleCollectionUnlink(tmp->mXHR); |
| 4094 | NS_IMPL_CYCLE_COLLECTION_UNLINK_END(void)tmp; } |
| 4095 | |
| 4096 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsXMLHttpRequestXPCOMifier)nsresult nsXMLHttpRequestXPCOMifier::cycleCollection::TraverseNative ( void* p, nsCycleCollectionTraversalCallback& cb) { nsXMLHttpRequestXPCOMifier * tmp = DowncastCCParticipant<nsXMLHttpRequestXPCOMifier> (p); cb.DescribeRefCountedNode(tmp->mRefCnt.get(), "nsXMLHttpRequestXPCOMifier" ); |
| 4097 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mXHR)ImplCycleCollectionTraverse(cb, tmp->mXHR, "mXHR", 0); |
| 4098 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END(void)tmp; return NS_OK; } |
| 4099 | |
| 4100 | NS_IMETHODIMPnsresult |
| 4101 | nsXMLHttpRequestXPCOMifier::GetInterface(const nsIID& aIID, void** aResult) { |
| 4102 | // Return ourselves for the things we implement (except |
| 4103 | // nsIInterfaceRequestor) and the XHR for the rest. |
| 4104 | if (!aIID.Equals(NS_GET_IID(nsIInterfaceRequestor)(nsIInterfaceRequestor::kIID))) { |
| 4105 | nsresult rv = QueryInterface(aIID, aResult); |
| 4106 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 4107 | return rv; |
| 4108 | } |
| 4109 | } |
| 4110 | |
| 4111 | return mXHR->GetInterface(aIID, aResult); |
| 4112 | } |
| 4113 | |
| 4114 | ArrayBufferBuilder::ArrayBufferBuilder() |
| 4115 | : mMutex("ArrayBufferBuilder"), |
| 4116 | mDataPtr(nullptr), |
| 4117 | mCapacity(0), |
| 4118 | mLength(0), |
| 4119 | mMapPtr(nullptr), |
| 4120 | mNeutered(false) {} |
| 4121 | |
| 4122 | ArrayBufferBuilder::~ArrayBufferBuilder() { |
| 4123 | if (mDataPtr) { |
| 4124 | JS_free(nullptr, mDataPtr); |
| 4125 | } |
| 4126 | |
| 4127 | if (mMapPtr) { |
| 4128 | JS::ReleaseMappedArrayBufferContents(mMapPtr, mLength); |
| 4129 | mMapPtr = nullptr; |
| 4130 | } |
| 4131 | |
| 4132 | mDataPtr = nullptr; |
| 4133 | mCapacity = mLength = 0; |
| 4134 | } |
| 4135 | |
| 4136 | bool ArrayBufferBuilder::SetCapacity(uint32_t aNewCap) { |
| 4137 | MutexAutoLock lock(mMutex); |
| 4138 | return SetCapacityInternal(aNewCap, lock); |
| 4139 | } |
| 4140 | |
| 4141 | bool ArrayBufferBuilder::SetCapacityInternal( |
| 4142 | uint32_t aNewCap, const MutexAutoLock& aProofOfLock) { |
| 4143 | MOZ_ASSERT(!mMapPtr)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mMapPtr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mMapPtr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mMapPtr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4143); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mMapPtr" ")" ); do { MOZ_CrashSequence(__null, 4143); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4144 | MOZ_ASSERT(!mNeutered)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mNeutered)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mNeutered))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mNeutered", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4144); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mNeutered" ")"); do { MOZ_CrashSequence(__null, 4144); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4145 | |
| 4146 | // To ensure that realloc won't free mDataPtr, use a size of 1 |
| 4147 | // instead of 0. |
| 4148 | uint8_t* newdata = (uint8_t*)js_realloc(mDataPtr, aNewCap ? aNewCap : 1); |
| 4149 | |
| 4150 | if (!newdata) { |
| 4151 | return false; |
| 4152 | } |
| 4153 | |
| 4154 | if (aNewCap > mCapacity) { |
| 4155 | memset(newdata + mCapacity, 0, aNewCap - mCapacity); |
| 4156 | } |
| 4157 | |
| 4158 | mDataPtr = newdata; |
| 4159 | mCapacity = aNewCap; |
| 4160 | if (mLength > aNewCap) { |
| 4161 | mLength = aNewCap; |
| 4162 | } |
| 4163 | |
| 4164 | return true; |
| 4165 | } |
| 4166 | |
| 4167 | bool ArrayBufferBuilder::Append(const uint8_t* aNewData, uint32_t aDataLen, |
| 4168 | uint32_t aMaxGrowth) { |
| 4169 | MutexAutoLock lock(mMutex); |
| 4170 | MOZ_ASSERT(!mMapPtr)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mMapPtr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mMapPtr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mMapPtr", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4170); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mMapPtr" ")" ); do { MOZ_CrashSequence(__null, 4170); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4171 | MOZ_ASSERT(!mNeutered)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mNeutered)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mNeutered))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mNeutered", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4171); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mNeutered" ")"); do { MOZ_CrashSequence(__null, 4171); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4172 | |
| 4173 | CheckedUint32 neededCapacity = mLength; |
| 4174 | neededCapacity += aDataLen; |
| 4175 | if (!neededCapacity.isValid()) { |
| 4176 | return false; |
| 4177 | } |
| 4178 | if (mLength + aDataLen > mCapacity) { |
| 4179 | CheckedUint32 newcap = mCapacity; |
| 4180 | // Double while under aMaxGrowth or if not specified. |
| 4181 | if (!aMaxGrowth || mCapacity < aMaxGrowth) { |
| 4182 | newcap *= 2; |
| 4183 | } else { |
| 4184 | newcap += aMaxGrowth; |
| 4185 | } |
| 4186 | |
| 4187 | if (!newcap.isValid()) { |
| 4188 | return false; |
| 4189 | } |
| 4190 | |
| 4191 | // But make sure there's always enough to satisfy our request. |
| 4192 | if (newcap.value() < neededCapacity.value()) { |
| 4193 | newcap = neededCapacity; |
| 4194 | } |
| 4195 | |
| 4196 | if (!SetCapacityInternal(newcap.value(), lock)) { |
| 4197 | return false; |
| 4198 | } |
| 4199 | } |
| 4200 | |
| 4201 | // Assert that the region isn't overlapping so we can memcpy. |
| 4202 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(!AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!AreOverlappingRegions(aNewData , aDataLen, mDataPtr + mLength, aDataLen)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen)" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4203); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen)" ")"); do { MOZ_CrashSequence(__null, 4203); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 4203 | !AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen))do { static_assert( mozilla::detail::AssertionConditionType< decltype(!AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!AreOverlappingRegions(aNewData , aDataLen, mDataPtr + mLength, aDataLen)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen)" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4203); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!AreOverlappingRegions(aNewData, aDataLen, mDataPtr + mLength, aDataLen)" ")"); do { MOZ_CrashSequence(__null, 4203); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4204 | |
| 4205 | memcpy(mDataPtr + mLength, aNewData, aDataLen); |
| 4206 | mLength += aDataLen; |
| 4207 | |
| 4208 | return true; |
| 4209 | } |
| 4210 | |
| 4211 | uint32_t ArrayBufferBuilder::Length() { |
| 4212 | MutexAutoLock lock(mMutex); |
| 4213 | MOZ_ASSERT(!mNeutered)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mNeutered)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mNeutered))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mNeutered", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4213); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mNeutered" ")"); do { MOZ_CrashSequence(__null, 4213); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4214 | return mLength; |
| 4215 | } |
| 4216 | |
| 4217 | uint32_t ArrayBufferBuilder::Capacity() { |
| 4218 | MutexAutoLock lock(mMutex); |
| 4219 | MOZ_ASSERT(!mNeutered)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mNeutered)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mNeutered))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mNeutered", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mNeutered" ")"); do { MOZ_CrashSequence(__null, 4219); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4220 | return mCapacity; |
| 4221 | } |
| 4222 | |
| 4223 | JSObject* ArrayBufferBuilder::TakeArrayBuffer(JSContext* aCx) { |
| 4224 | MutexAutoLock lock(mMutex); |
| 4225 | MOZ_DIAGNOSTIC_ASSERT(!mNeutered)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mNeutered)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mNeutered))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mNeutered", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4225); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!mNeutered" ")"); do { MOZ_CrashSequence(__null, 4225); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4226 | |
| 4227 | if (mMapPtr) { |
| 4228 | JSObject* obj = JS::NewMappedArrayBufferWithContents(aCx, mLength, mMapPtr); |
| 4229 | if (!obj) { |
| 4230 | JS::ReleaseMappedArrayBufferContents(mMapPtr, mLength); |
| 4231 | } |
| 4232 | |
| 4233 | mMapPtr = nullptr; |
| 4234 | mNeutered = true; |
| 4235 | |
| 4236 | // The memory-mapped contents will be released when the ArrayBuffer becomes |
| 4237 | // detached or is GC'd. |
| 4238 | return obj; |
| 4239 | } |
| 4240 | |
| 4241 | // we need to check for mLength == 0, because nothing may have been |
| 4242 | // added |
| 4243 | if (mCapacity > mLength || mLength == 0) { |
| 4244 | if (!SetCapacityInternal(mLength, lock)) { |
| 4245 | return nullptr; |
| 4246 | } |
| 4247 | } |
| 4248 | |
| 4249 | // |mDataPtr| will be deallocated in ArrayBufferBuilder's destructor when this |
| 4250 | // ArrayBuffer allocation failed. |
| 4251 | JSObject* obj = JS::NewArrayBufferWithContents( |
| 4252 | aCx, mLength, mDataPtr, |
| 4253 | JS::NewArrayBufferOutOfMemory::CallerMustFreeMemory); |
| 4254 | if (!obj) { |
| 4255 | return nullptr; |
| 4256 | } |
| 4257 | |
| 4258 | mDataPtr = nullptr; |
| 4259 | mCapacity = mLength = 0; |
| 4260 | |
| 4261 | mNeutered = true; |
| 4262 | return obj; |
| 4263 | } |
| 4264 | |
| 4265 | nsresult ArrayBufferBuilder::MapToFileInPackage(const nsCString& aFile, |
| 4266 | nsIFile* aJarFile) { |
| 4267 | MutexAutoLock lock(mMutex); |
| 4268 | MOZ_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "./../../../dom/xhr/XMLHttpRequestMainThread.cpp", 4268); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { MOZ_CrashSequence (__null, 4268); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 4269 | MOZ_ASSERT(!mNeutered)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mNeutered)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mNeutered))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mNeutered", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4269); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mNeutered" ")"); do { MOZ_CrashSequence(__null, 4269); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4270 | |
| 4271 | nsresult rv; |
| 4272 | |
| 4273 | // Open Jar file to get related attributes of target file. |
| 4274 | RefPtr<nsZipArchive> zip = nsZipArchive::OpenArchive(aJarFile); |
| 4275 | if (!zip) { |
| 4276 | return NS_ERROR_FAILURE; |
| 4277 | } |
| 4278 | nsZipItem* zipItem = zip->GetItem(aFile); |
| 4279 | if (!zipItem) { |
| 4280 | return NS_ERROR_FILE_NOT_FOUND; |
| 4281 | } |
| 4282 | |
| 4283 | // If file was added to the package as stored(uncompressed), map to the |
| 4284 | // offset of file in zip package. |
| 4285 | if (!zipItem->Compression()) { |
| 4286 | uint32_t offset = zip->GetDataOffset(zipItem); |
| 4287 | uint32_t size = zipItem->RealSize(); |
| 4288 | mozilla::AutoFDClose pr_fd; |
| 4289 | rv = aJarFile->OpenNSPRFileDesc(PR_RDONLY0x01, 0, getter_Transfers(pr_fd)); |
| 4290 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 4291 | return rv; |
| 4292 | } |
| 4293 | mMapPtr = JS::CreateMappedArrayBufferContents( |
| 4294 | PR_FileDesc2NativeHandle(pr_fd.get()), offset, size); |
| 4295 | if (mMapPtr) { |
| 4296 | mLength = size; |
| 4297 | return NS_OK; |
| 4298 | } |
| 4299 | } |
| 4300 | return NS_ERROR_FAILURE; |
| 4301 | } |
| 4302 | |
| 4303 | /* static */ |
| 4304 | bool ArrayBufferBuilder::AreOverlappingRegions(const uint8_t* aStart1, |
| 4305 | uint32_t aLength1, |
| 4306 | const uint8_t* aStart2, |
| 4307 | uint32_t aLength2) { |
| 4308 | const uint8_t* end1 = aStart1 + aLength1; |
| 4309 | const uint8_t* end2 = aStart2 + aLength2; |
| 4310 | |
| 4311 | const uint8_t* max_start = aStart1 > aStart2 ? aStart1 : aStart2; |
| 4312 | const uint8_t* min_end = end1 < end2 ? end1 : end2; |
| 4313 | |
| 4314 | return max_start < min_end; |
| 4315 | } |
| 4316 | |
| 4317 | RequestHeaders::RequestHeader* RequestHeaders::Find(const nsACString& aName) { |
| 4318 | for (RequestHeaders::RequestHeader& header : mHeaders) { |
| 4319 | if (header.mName.Equals(aName, nsCaseInsensitiveCStringComparator)) { |
| 4320 | return &header; |
| 4321 | } |
| 4322 | } |
| 4323 | return nullptr; |
| 4324 | } |
| 4325 | |
| 4326 | bool RequestHeaders::IsEmpty() const { return mHeaders.IsEmpty(); } |
| 4327 | |
| 4328 | bool RequestHeaders::Has(const char* aName) { |
| 4329 | return Has(nsDependentCString(aName)); |
| 4330 | } |
| 4331 | |
| 4332 | bool RequestHeaders::Has(const nsACString& aName) { return !!Find(aName); } |
| 4333 | |
| 4334 | void RequestHeaders::Get(const char* aName, nsACString& aValue) { |
| 4335 | Get(nsDependentCString(aName), aValue); |
| 4336 | } |
| 4337 | |
| 4338 | void RequestHeaders::Get(const nsACString& aName, nsACString& aValue) { |
| 4339 | RequestHeader* header = Find(aName); |
| 4340 | if (header) { |
| 4341 | aValue = header->mValue; |
| 4342 | } else { |
| 4343 | aValue.SetIsVoid(true); |
| 4344 | } |
| 4345 | } |
| 4346 | |
| 4347 | void RequestHeaders::Set(const char* aName, const nsACString& aValue) { |
| 4348 | Set(nsDependentCString(aName), aValue); |
| 4349 | } |
| 4350 | |
| 4351 | void RequestHeaders::Set(const nsACString& aName, const nsACString& aValue) { |
| 4352 | RequestHeader* header = Find(aName); |
| 4353 | if (header) { |
| 4354 | header->mValue.Assign(aValue); |
| 4355 | } else { |
| 4356 | RequestHeader newHeader = {nsCString(aName), nsCString(aValue)}; |
| 4357 | mHeaders.AppendElement(newHeader); |
| 4358 | } |
| 4359 | } |
| 4360 | |
| 4361 | void RequestHeaders::MergeOrSet(const char* aName, const nsACString& aValue) { |
| 4362 | MergeOrSet(nsDependentCString(aName), aValue); |
| 4363 | } |
| 4364 | |
| 4365 | void RequestHeaders::MergeOrSet(const nsACString& aName, |
| 4366 | const nsACString& aValue) { |
| 4367 | RequestHeader* header = Find(aName); |
| 4368 | if (header) { |
| 4369 | header->mValue.AppendLiteral(", "); |
| 4370 | header->mValue.Append(aValue); |
| 4371 | } else { |
| 4372 | RequestHeader newHeader = {nsCString(aName), nsCString(aValue)}; |
| 4373 | mHeaders.AppendElement(newHeader); |
| 4374 | } |
| 4375 | } |
| 4376 | |
| 4377 | void RequestHeaders::Clear() { mHeaders.Clear(); } |
| 4378 | |
| 4379 | void RequestHeaders::ApplyToChannel(nsIHttpChannel* aChannel, |
| 4380 | bool aStripRequestBodyHeader, |
| 4381 | bool aStripAuthHeader) const { |
| 4382 | for (const RequestHeader& header : mHeaders) { |
| 4383 | if (aStripRequestBodyHeader && |
| 4384 | (header.mName.LowerCaseEqualsASCII("content-type") || |
| 4385 | header.mName.LowerCaseEqualsASCII("content-encoding") || |
| 4386 | header.mName.LowerCaseEqualsASCII("content-language") || |
| 4387 | header.mName.LowerCaseEqualsASCII("content-location"))) { |
| 4388 | continue; |
| 4389 | } |
| 4390 | |
| 4391 | if (aStripAuthHeader && |
| 4392 | header.mName.LowerCaseEqualsASCII("authorization")) { |
| 4393 | continue; |
| 4394 | } |
| 4395 | |
| 4396 | // Update referrerInfo to override referrer header in system privileged. |
| 4397 | if (header.mName.LowerCaseEqualsASCII("referer")) { |
| 4398 | DebugOnly<nsresult> rv = aChannel->SetNewReferrerInfo( |
| 4399 | header.mValue, nsIReferrerInfo::ReferrerPolicyIDL::UNSAFE_URL, true); |
| 4400 | MOZ_ASSERT(NS_SUCCEEDED(rv))do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) )))>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4400); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))" ")"); do { MOZ_CrashSequence(__null, 4400); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4401 | } |
| 4402 | if (header.mValue.IsEmpty()) { |
| 4403 | DebugOnly<nsresult> rv = aChannel->SetEmptyRequestHeader(header.mName); |
| 4404 | MOZ_ASSERT(NS_SUCCEEDED(rv))do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) )))>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4404); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))" ")"); do { MOZ_CrashSequence(__null, 4404); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4405 | } else { |
| 4406 | DebugOnly<nsresult> rv = |
| 4407 | aChannel->SetRequestHeader(header.mName, header.mValue, false); |
| 4408 | MOZ_ASSERT(NS_SUCCEEDED(rv))do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) )))>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1) ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))", "./../../../dom/xhr/XMLHttpRequestMainThread.cpp" , 4408); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))" ")"); do { MOZ_CrashSequence(__null, 4408); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 4409 | } |
| 4410 | } |
| 4411 | } |
| 4412 | |
| 4413 | void RequestHeaders::GetCORSUnsafeHeaders(nsTArray<nsCString>& aArray) const { |
| 4414 | for (const RequestHeader& header : mHeaders) { |
| 4415 | if (!nsContentUtils::IsCORSSafelistedRequestHeader(header.mName, |
| 4416 | header.mValue)) { |
| 4417 | aArray.AppendElement(header.mName); |
| 4418 | } |
| 4419 | } |
| 4420 | } |
| 4421 | |
| 4422 | RequestHeaders::CharsetIterator::CharsetIterator(nsACString& aSource) |
| 4423 | : mValid(false), |
| 4424 | mCurPos(-1), |
| 4425 | mCurLen(-1), |
| 4426 | mCutoff(aSource.Length()), |
| 4427 | mSource(aSource) {} |
| 4428 | |
| 4429 | bool RequestHeaders::CharsetIterator::Equals( |
| 4430 | const nsACString& aOther, const nsCStringComparator& aCmp) const { |
| 4431 | if (mValid) { |
| 4432 | return Substring(mSource, mCurPos, mCurLen).Equals(aOther, aCmp); |
| 4433 | } else { |
| 4434 | return false; |
| 4435 | } |
| 4436 | } |
| 4437 | |
| 4438 | void RequestHeaders::CharsetIterator::Replace(const nsACString& aReplacement) { |
| 4439 | if (mValid) { |
| 4440 | mSource.Replace(mCurPos, mCurLen, aReplacement); |
| 4441 | mCurLen = aReplacement.Length(); |
| 4442 | } |
| 4443 | } |
| 4444 | |
| 4445 | bool RequestHeaders::CharsetIterator::Next() { |
| 4446 | int32_t start, end; |
| 4447 | nsAutoCString charset; |
| 4448 | |
| 4449 | // Look for another charset declaration in the string, limiting the |
| 4450 | // search to only the characters before the parts we've already searched |
| 4451 | // (before mCutoff), so that we don't find the same charset twice. |
| 4452 | NS_ExtractCharsetFromContentType(Substring(mSource, 0, mCutoff), charset, |
| 4453 | &mValid, &start, &end); |
| 4454 | |
| 4455 | if (!mValid) { |
| 4456 | return false; |
| 4457 | } |
| 4458 | |
| 4459 | // Everything after the = sign is the part of the charset we want. |
| 4460 | mCurPos = mSource.FindChar('=', start) + 1; |
| 4461 | mCurLen = end - mCurPos; |
| 4462 | |
| 4463 | // Special case: the extracted charset is quoted with single quotes. |
| 4464 | // For the purpose of preserving what was set we want to handle them |
| 4465 | // as delimiters (although they aren't really). |
| 4466 | if (charset.Length() >= 2 && charset.First() == '\'' && |
| 4467 | charset.Last() == '\'') { |
| 4468 | ++mCurPos; |
| 4469 | mCurLen -= 2; |
| 4470 | } |
| 4471 | |
| 4472 | mCutoff = start; |
| 4473 | |
| 4474 | return true; |
| 4475 | } |
| 4476 | |
| 4477 | } // namespace mozilla::dom |