| File: | var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp |
| Warning: | line 663, column 5 Value stored to 'rv' is never read |
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| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 6 | |
| 7 | #include "nsIThreadRetargetableStreamListener.h" |
| 8 | #include "nsString.h" |
| 9 | #include "mozilla/Assertions.h" |
| 10 | #include "mozilla/Components.h" |
| 11 | #include "mozilla/LinkedList.h" |
| 12 | #include "mozilla/StaticPrefs_content.h" |
| 13 | #include "mozilla/StoragePrincipalHelper.h" |
| 14 | |
| 15 | #include "nsCORSListenerProxy.h" |
| 16 | #include "nsIChannel.h" |
| 17 | #include "nsIHttpChannel.h" |
| 18 | #include "HttpChannelChild.h" |
| 19 | #include "nsIHttpChannelInternal.h" |
| 20 | #include "nsError.h" |
| 21 | #include "nsContentUtils.h" |
| 22 | #include "nsNetUtil.h" |
| 23 | #include "nsComponentManagerUtils.h" |
| 24 | #include "nsIInterfaceRequestorUtils.h" |
| 25 | #include "nsServiceManagerUtils.h" |
| 26 | #include "nsMimeTypes.h" |
| 27 | #include "nsStringStream.h" |
| 28 | #include "nsGkAtoms.h" |
| 29 | #include "nsWhitespaceTokenizer.h" |
| 30 | #include "nsIChannelEventSink.h" |
| 31 | #include "nsIAsyncVerifyRedirectCallback.h" |
| 32 | #include "nsCharSeparatedTokenizer.h" |
| 33 | #include "nsAsyncRedirectVerifyHelper.h" |
| 34 | #include "nsClassHashtable.h" |
| 35 | #include "nsHashKeys.h" |
| 36 | #include "nsStreamUtils.h" |
| 37 | #include "mozilla/Preferences.h" |
| 38 | #include "nsIScriptError.h" |
| 39 | #include "nsILoadGroup.h" |
| 40 | #include "nsILoadContext.h" |
| 41 | #include "nsIConsoleService.h" |
| 42 | #include "nsINetworkInterceptController.h" |
| 43 | #include "nsICorsPreflightCallback.h" |
| 44 | #include "nsISupportsImpl.h" |
| 45 | #include "nsHttpChannel.h" |
| 46 | #include "mozilla/BasePrincipal.h" |
| 47 | #include "mozilla/ExpandedPrincipal.h" |
| 48 | #include "mozilla/LoadInfo.h" |
| 49 | #include "mozilla/NullPrincipal.h" |
| 50 | #include "nsIHttpHeaderVisitor.h" |
| 51 | #include "nsQueryObject.h" |
| 52 | #include "mozilla/StaticPrefs_network.h" |
| 53 | #include "mozilla/StaticPrefs_dom.h" |
| 54 | #include "mozilla/dom/nsHTTPSOnlyUtils.h" |
| 55 | #include "mozilla/dom/ReferrerInfo.h" |
| 56 | #include "mozilla/dom/RequestBinding.h" |
| 57 | #include "mozilla/glean/GleanMetrics.h" |
| 58 | #include <algorithm> |
| 59 | |
| 60 | using namespace mozilla; |
| 61 | using namespace mozilla::net; |
| 62 | |
| 63 | #define PREFLIGHT_CACHE_SIZE100 100 |
| 64 | // 5 seconds is chosen to be compatible with Chromium. |
| 65 | #define PREFLIGHT_DEFAULT_EXPIRY_SECONDS5 5 |
| 66 | |
| 67 | static inline nsAutoString GetStatusCodeAsString(nsIHttpChannel* aHttp) { |
| 68 | nsAutoString result; |
| 69 | uint32_t code; |
| 70 | if (NS_SUCCEEDED(aHttp->GetResponseStatus(&code))((bool)(__builtin_expect(!!(!NS_FAILED_impl(aHttp->GetResponseStatus (&code))), 1)))) { |
| 71 | result.AppendInt(code); |
| 72 | } |
| 73 | return result; |
| 74 | } |
| 75 | |
| 76 | static void LogBlockedRequest(nsIRequest* aRequest, const char* aProperty, |
| 77 | const char16_t* aParam, uint32_t aBlockingReason, |
| 78 | nsIHttpChannel* aCreatingChannel, |
| 79 | bool aIsWarning = false) { |
| 80 | nsresult rv = NS_OK; |
| 81 | |
| 82 | nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest); |
| 83 | |
| 84 | if (!aIsWarning) { |
| 85 | NS_SetRequestBlockingReason(channel, aBlockingReason); |
| 86 | } |
| 87 | |
| 88 | nsCOMPtr<nsIURI> aUri; |
| 89 | channel->GetURI(getter_AddRefs(aUri)); |
| 90 | nsAutoCString spec; |
| 91 | if (aUri) { |
| 92 | spec = aUri->GetSpecOrDefault(); |
| 93 | } |
| 94 | |
| 95 | // Generate the error message |
| 96 | nsAutoString blockedMessage; |
| 97 | AutoTArray<nsString, 2> params; |
| 98 | CopyUTF8toUTF16(spec, *params.AppendElement()); |
| 99 | if (aParam) { |
| 100 | params.AppendElement(aParam); |
| 101 | } |
| 102 | NS_ConvertUTF8toUTF16 specUTF16(spec); |
| 103 | rv = nsContentUtils::FormatLocalizedString( |
| 104 | nsContentUtils::eSECURITY_PROPERTIES, aProperty, params, blockedMessage); |
| 105 | |
| 106 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 107 | NS_WARNING("Failed to log blocked cross-site request (no formalizedStr")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request (no formalizedStr" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 107); |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | nsAutoString msg(blockedMessage.get()); |
| 112 | nsDependentCString category(aProperty); |
| 113 | |
| 114 | if (XRE_IsParentProcess()) { |
| 115 | if (aCreatingChannel) { |
| 116 | rv = aCreatingChannel->LogBlockedCORSRequest(msg, category, aIsWarning); |
| 117 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 118 | return; |
| 119 | } |
| 120 | } |
| 121 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request to web console from " "parent->child, falling back to browser console", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 123) |
| 122 | "Failed to log blocked cross-site request to web console from "NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request to web console from " "parent->child, falling back to browser console", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 123) |
| 123 | "parent->child, falling back to browser console")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request to web console from " "parent->child, falling back to browser console", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 123); |
| 124 | } |
| 125 | |
| 126 | bool privateBrowsing = false; |
| 127 | if (aRequest) { |
| 128 | nsCOMPtr<nsILoadGroup> loadGroup; |
| 129 | rv = aRequest->GetLoadGroup(getter_AddRefs(loadGroup)); |
| 130 | NS_ENSURE_SUCCESS_VOID(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_VOID(%s) failed with " "result 0x%" "X" "%s%s%s", "rv", static_cast<uint32_t> (__rv), name ? " (" : "", name ? name : "", name ? ")" : ""); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 130); return; } } while (false); |
| 131 | privateBrowsing = nsContentUtils::IsInPrivateBrowsing(loadGroup); |
| 132 | } |
| 133 | |
| 134 | bool fromChromeContext = false; |
| 135 | if (channel) { |
| 136 | nsCOMPtr<nsILoadInfo> loadInfo = channel->LoadInfo(); |
| 137 | fromChromeContext = loadInfo->TriggeringPrincipal()->IsSystemPrincipal(); |
| 138 | } |
| 139 | |
| 140 | // we are passing aProperty as the category so we can link to the |
| 141 | // appropriate MDN docs depending on the specific error. |
| 142 | uint64_t innerWindowID = nsContentUtils::GetInnerWindowID(aRequest); |
| 143 | // The |innerWindowID| could be 0 if this request is created from script. |
| 144 | // We can always try top level content window id in this case, |
| 145 | // since the window id can lead to current top level window's web console. |
| 146 | if (!innerWindowID) { |
| 147 | nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aRequest); |
| 148 | if (httpChannel) { |
| 149 | Unused << httpChannel->GetTopLevelContentWindowId(&innerWindowID); |
| 150 | } |
| 151 | } |
| 152 | nsCORSListenerProxy::LogBlockedCORSRequest(innerWindowID, privateBrowsing, |
| 153 | fromChromeContext, msg, category, |
| 154 | aIsWarning); |
| 155 | } |
| 156 | |
| 157 | ////////////////////////////////////////////////////////////////////////// |
| 158 | // Preflight cache |
| 159 | |
| 160 | class nsPreflightCache { |
| 161 | public: |
| 162 | struct TokenTime { |
| 163 | nsCString token; |
| 164 | TimeStamp expirationTime; |
| 165 | }; |
| 166 | |
| 167 | struct CacheEntry : public LinkedListElement<CacheEntry> { |
| 168 | explicit CacheEntry(nsCString& aKey, bool aPrivateBrowsing) |
| 169 | : mKey(aKey), mPrivateBrowsing(aPrivateBrowsing) { |
| 170 | MOZ_COUNT_CTOR(nsPreflightCache::CacheEntry)do { static_assert(std::is_class_v<nsPreflightCache::CacheEntry >, "Token '" "nsPreflightCache::CacheEntry" "' is not a class type." ); static_assert(!std::is_base_of<nsISupports, nsPreflightCache ::CacheEntry>::value, "nsISupports classes don't need to call MOZ_COUNT_CTOR or " "MOZ_COUNT_DTOR");; NS_LogCtor((void*)this, "nsPreflightCache::CacheEntry" , sizeof(*this)); } while (0); |
| 171 | } |
| 172 | |
| 173 | ~CacheEntry() { MOZ_COUNT_DTOR(nsPreflightCache::CacheEntry)do { static_assert(std::is_class_v<nsPreflightCache::CacheEntry >, "Token '" "nsPreflightCache::CacheEntry" "' is not a class type." ); static_assert(!std::is_base_of<nsISupports, nsPreflightCache ::CacheEntry>::value, "nsISupports classes don't need to call MOZ_COUNT_CTOR or " "MOZ_COUNT_DTOR");; NS_LogDtor((void*)this, "nsPreflightCache::CacheEntry" , sizeof(*this)); } while (0); } |
| 174 | |
| 175 | void PurgeExpired(TimeStamp now); |
| 176 | bool CheckRequest(const nsCString& aMethod, |
| 177 | const nsTArray<nsCString>& aHeaders); |
| 178 | |
| 179 | nsCString mKey; |
| 180 | bool mPrivateBrowsing{false}; |
| 181 | nsTArray<TokenTime> mMethods; |
| 182 | nsTArray<TokenTime> mHeaders; |
| 183 | }; |
| 184 | |
| 185 | MOZ_COUNTED_DEFAULT_CTOR(nsPreflightCache)nsPreflightCache() { do { static_assert(std::is_class_v<nsPreflightCache >, "Token '" "nsPreflightCache" "' is not a class type."); static_assert(!std::is_base_of<nsISupports, nsPreflightCache >::value, "nsISupports classes don't need to call MOZ_COUNT_CTOR or " "MOZ_COUNT_DTOR");; NS_LogCtor((void*)this, "nsPreflightCache" , sizeof(*this)); } while (0); } |
| 186 | |
| 187 | ~nsPreflightCache() { |
| 188 | Clear(); |
| 189 | MOZ_COUNT_DTOR(nsPreflightCache)do { static_assert(std::is_class_v<nsPreflightCache>, "Token '" "nsPreflightCache" "' is not a class type."); static_assert( !std::is_base_of<nsISupports, nsPreflightCache>::value, "nsISupports classes don't need to call MOZ_COUNT_CTOR or " "MOZ_COUNT_DTOR" );; NS_LogDtor((void*)this, "nsPreflightCache", sizeof(*this) ); } while (0); |
| 190 | } |
| 191 | |
| 192 | bool Initialize() { return true; } |
| 193 | |
| 194 | CacheEntry* GetEntry(nsIURI* aURI, nsIPrincipal* aPrincipal, |
| 195 | bool aWithCredentials, |
| 196 | const OriginAttributes& aOriginAttributes, bool aCreate); |
| 197 | void RemoveEntries(nsIURI* aURI, nsIPrincipal* aPrincipal, |
| 198 | const OriginAttributes& aOriginAttributes); |
| 199 | void PurgePrivateBrowsingEntries(); |
| 200 | |
| 201 | void Clear(); |
| 202 | |
| 203 | private: |
| 204 | nsClassHashtable<nsCStringHashKey, CacheEntry> mTable; |
| 205 | LinkedList<CacheEntry> mList; |
| 206 | }; |
| 207 | |
| 208 | // Will be initialized in EnsurePreflightCache. |
| 209 | static nsPreflightCache* sPreflightCache = nullptr; |
| 210 | |
| 211 | static bool EnsurePreflightCache() { |
| 212 | if (sPreflightCache) return true; |
| 213 | |
| 214 | UniquePtr<nsPreflightCache> newCache(new nsPreflightCache()); |
| 215 | |
| 216 | if (newCache->Initialize()) { |
| 217 | sPreflightCache = newCache.release(); |
| 218 | return true; |
| 219 | } |
| 220 | |
| 221 | return false; |
| 222 | } |
| 223 | |
| 224 | void nsPreflightCache::PurgePrivateBrowsingEntries() { |
| 225 | for (auto iter = mTable.Iter(); !iter.Done(); iter.Next()) { |
| 226 | auto* entry = iter.UserData(); |
| 227 | if (entry->mPrivateBrowsing) { |
| 228 | // last private browsing window closed, remove preflight cache entries |
| 229 | entry->removeFrom(sPreflightCache->mList); |
| 230 | iter.Remove(); |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | void nsPreflightCache::CacheEntry::PurgeExpired(TimeStamp now) { |
| 236 | for (uint32_t i = 0, len = mMethods.Length(); i < len; ++i) { |
| 237 | if (now >= mMethods[i].expirationTime) { |
| 238 | mMethods.UnorderedRemoveElementAt(i); |
| 239 | --i; // Examine the element again, if necessary. |
| 240 | --len; |
| 241 | } |
| 242 | } |
| 243 | for (uint32_t i = 0, len = mHeaders.Length(); i < len; ++i) { |
| 244 | if (now >= mHeaders[i].expirationTime) { |
| 245 | mHeaders.UnorderedRemoveElementAt(i); |
| 246 | --i; // Examine the element again, if necessary. |
| 247 | --len; |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | bool nsPreflightCache::CacheEntry::CheckRequest( |
| 253 | const nsCString& aMethod, const nsTArray<nsCString>& aHeaders) { |
| 254 | PurgeExpired(TimeStamp::NowLoRes()); |
| 255 | |
| 256 | if (!aMethod.EqualsLiteral("GET") && !aMethod.EqualsLiteral("POST")) { |
| 257 | struct CheckToken { |
| 258 | bool Equals(const TokenTime& e, const nsCString& method) const { |
| 259 | return e.token.Equals(method); |
| 260 | } |
| 261 | }; |
| 262 | |
| 263 | if (!mMethods.Contains(aMethod, CheckToken())) { |
| 264 | return false; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | struct CheckHeaderToken { |
| 269 | bool Equals(const TokenTime& e, const nsCString& header) const { |
| 270 | return e.token.Equals(header, nsCaseInsensitiveCStringComparator); |
| 271 | } |
| 272 | } checker; |
| 273 | for (uint32_t i = 0; i < aHeaders.Length(); ++i) { |
| 274 | if (!mHeaders.Contains(aHeaders[i], checker)) { |
| 275 | return false; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | return true; |
| 280 | } |
| 281 | |
| 282 | nsPreflightCache::CacheEntry* nsPreflightCache::GetEntry( |
| 283 | nsIURI* aURI, nsIPrincipal* aPrincipal, bool aWithCredentials, |
| 284 | const OriginAttributes& aOriginAttributes, bool aCreate) { |
| 285 | nsCString key; |
| 286 | if (NS_FAILED(aPrincipal->GetPrefLightCacheKey(aURI, aWithCredentials,((bool)(__builtin_expect(!!(NS_FAILED_impl(aPrincipal->GetPrefLightCacheKey (aURI, aWithCredentials, aOriginAttributes, key))), 0))) |
| 287 | aOriginAttributes, key))((bool)(__builtin_expect(!!(NS_FAILED_impl(aPrincipal->GetPrefLightCacheKey (aURI, aWithCredentials, aOriginAttributes, key))), 0)))) { |
| 288 | NS_WARNING("Invalid cache key!")NS_DebugBreak(NS_DEBUG_WARNING, "Invalid cache key!", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 288); |
| 289 | return nullptr; |
| 290 | } |
| 291 | |
| 292 | CacheEntry* existingEntry = nullptr; |
| 293 | |
| 294 | if (mTable.Get(key, &existingEntry)) { |
| 295 | // Entry already existed so just return it. Also update the LRU list. |
| 296 | |
| 297 | // Move to the head of the list. |
| 298 | existingEntry->removeFrom(mList); |
| 299 | mList.insertFront(existingEntry); |
| 300 | |
| 301 | return existingEntry; |
| 302 | } |
| 303 | |
| 304 | if (!aCreate) { |
| 305 | return nullptr; |
| 306 | } |
| 307 | |
| 308 | // This is a new entry, allocate and insert into the table now so that any |
| 309 | // failures don't cause items to be removed from a full cache. |
| 310 | auto newEntry = |
| 311 | MakeUnique<CacheEntry>(key, aOriginAttributes.IsPrivateBrowsing()); |
| 312 | |
| 313 | NS_ASSERTION(mTable.Count() <= PREFLIGHT_CACHE_SIZE,do { if (!(mTable.Count() <= 100)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Something is borked, too many entries in the cache!", "mTable.Count() <= PREFLIGHT_CACHE_SIZE" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 314); MOZ_PretendNoReturn(); } } while (0) |
| 314 | "Something is borked, too many entries in the cache!")do { if (!(mTable.Count() <= 100)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Something is borked, too many entries in the cache!", "mTable.Count() <= PREFLIGHT_CACHE_SIZE" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 314); MOZ_PretendNoReturn(); } } while (0); |
| 315 | |
| 316 | // Now enforce the max count. |
| 317 | if (mTable.Count() == PREFLIGHT_CACHE_SIZE100) { |
| 318 | // Try to kick out all the expired entries. |
| 319 | TimeStamp now = TimeStamp::NowLoRes(); |
| 320 | for (auto iter = mTable.Iter(); !iter.Done(); iter.Next()) { |
| 321 | auto* entry = iter.UserData(); |
| 322 | entry->PurgeExpired(now); |
| 323 | |
| 324 | if (entry->mHeaders.IsEmpty() && entry->mMethods.IsEmpty()) { |
| 325 | // Expired, remove from the list as well as the hash table. |
| 326 | entry->removeFrom(sPreflightCache->mList); |
| 327 | iter.Remove(); |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | // If that didn't remove anything then kick out the least recently used |
| 332 | // entry. |
| 333 | if (mTable.Count() == PREFLIGHT_CACHE_SIZE100) { |
| 334 | CacheEntry* lruEntry = static_cast<CacheEntry*>(mList.popLast()); |
| 335 | MOZ_ASSERT(lruEntry)do { static_assert( mozilla::detail::AssertionConditionType< decltype(lruEntry)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(lruEntry))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("lruEntry", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 335); AnnotateMozCrashReason("MOZ_ASSERT" "(" "lruEntry" ")" ); do { *((volatile int*)__null) = 335; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 336 | |
| 337 | // This will delete 'lruEntry'. |
| 338 | mTable.Remove(lruEntry->mKey); |
| 339 | |
| 340 | NS_ASSERTION(mTable.Count() == PREFLIGHT_CACHE_SIZE - 1,do { if (!(mTable.Count() == 100 - 1)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Somehow tried to remove an entry that was never added!", "mTable.Count() == PREFLIGHT_CACHE_SIZE - 1" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 341); MOZ_PretendNoReturn(); } } while (0) |
| 341 | "Somehow tried to remove an entry that was never added!")do { if (!(mTable.Count() == 100 - 1)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Somehow tried to remove an entry that was never added!", "mTable.Count() == PREFLIGHT_CACHE_SIZE - 1" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 341); MOZ_PretendNoReturn(); } } while (0); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | auto* newEntryWeakRef = mTable.InsertOrUpdate(key, std::move(newEntry)).get(); |
| 346 | mList.insertFront(newEntryWeakRef); |
| 347 | |
| 348 | return newEntryWeakRef; |
| 349 | } |
| 350 | |
| 351 | void nsPreflightCache::RemoveEntries( |
| 352 | nsIURI* aURI, nsIPrincipal* aPrincipal, |
| 353 | const OriginAttributes& aOriginAttributes) { |
| 354 | CacheEntry* entry; |
| 355 | nsCString key; |
| 356 | if (NS_SUCCEEDED(aPrincipal->GetPrefLightCacheKey(aURI, true,((bool)(__builtin_expect(!!(!NS_FAILED_impl(aPrincipal->GetPrefLightCacheKey (aURI, true, aOriginAttributes, key))), 1))) |
| 357 | aOriginAttributes, key))((bool)(__builtin_expect(!!(!NS_FAILED_impl(aPrincipal->GetPrefLightCacheKey (aURI, true, aOriginAttributes, key))), 1))) && |
| 358 | mTable.Get(key, &entry)) { |
| 359 | entry->removeFrom(mList); |
| 360 | mTable.Remove(key); |
| 361 | } |
| 362 | |
| 363 | if (NS_SUCCEEDED(aPrincipal->GetPrefLightCacheKey(aURI, false,((bool)(__builtin_expect(!!(!NS_FAILED_impl(aPrincipal->GetPrefLightCacheKey (aURI, false, aOriginAttributes, key))), 1))) |
| 364 | aOriginAttributes, key))((bool)(__builtin_expect(!!(!NS_FAILED_impl(aPrincipal->GetPrefLightCacheKey (aURI, false, aOriginAttributes, key))), 1))) && |
| 365 | mTable.Get(key, &entry)) { |
| 366 | entry->removeFrom(mList); |
| 367 | mTable.Remove(key); |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | void nsPreflightCache::Clear() { |
| 372 | mList.clear(); |
| 373 | mTable.Clear(); |
| 374 | } |
| 375 | |
| 376 | ////////////////////////////////////////////////////////////////////////// |
| 377 | // nsCORSListenerProxy |
| 378 | |
| 379 | NS_IMPL_ISUPPORTS(nsCORSListenerProxy, nsIStreamListener, nsIRequestObserver,MozExternalRefCountType nsCORSListenerProxy::AddRef(void) { static_assert (!std::is_destructible_v<nsCORSListenerProxy>, "Reference-counted class " "nsCORSListenerProxy" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSListenerProxy" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsCORSListenerProxy" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsCORSListenerProxy\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSListenerProxy\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSListenerProxy" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("nsCORSListenerProxy" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsCORSListenerProxy::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 381 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSListenerProxy" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsCORSListenerProxy" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsCORSListenerProxy\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSListenerProxy\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSListenerProxy" " not thread-safe"); const char* const nametmp = "nsCORSListenerProxy"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } nsresult nsCORSListenerProxy::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(5 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsCORSListenerProxy, nsIStreamListener> , int32_t( reinterpret_cast<char*>(static_cast<nsIStreamListener *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIRequestObserver> , int32_t( reinterpret_cast<char*>(static_cast<nsIRequestObserver *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIChannelEventSink> , int32_t( reinterpret_cast<char*>(static_cast<nsIChannelEventSink *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIInterfaceRequestor >, int32_t( reinterpret_cast<char*>(static_cast<nsIInterfaceRequestor *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIThreadRetargetableStreamListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIThreadRetargetableStreamListener *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIStreamListener*>((nsCORSListenerProxy* )0x1000))) - reinterpret_cast<char*>((nsCORSListenerProxy *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 380 | nsIChannelEventSink, nsIInterfaceRequestor,MozExternalRefCountType nsCORSListenerProxy::AddRef(void) { static_assert (!std::is_destructible_v<nsCORSListenerProxy>, "Reference-counted class " "nsCORSListenerProxy" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSListenerProxy" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsCORSListenerProxy" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsCORSListenerProxy\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSListenerProxy\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSListenerProxy" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("nsCORSListenerProxy" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsCORSListenerProxy::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 381 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSListenerProxy" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsCORSListenerProxy" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsCORSListenerProxy\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSListenerProxy\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSListenerProxy" " not thread-safe"); const char* const nametmp = "nsCORSListenerProxy"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } nsresult nsCORSListenerProxy::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(5 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsCORSListenerProxy, nsIStreamListener> , int32_t( reinterpret_cast<char*>(static_cast<nsIStreamListener *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIRequestObserver> , int32_t( reinterpret_cast<char*>(static_cast<nsIRequestObserver *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIChannelEventSink> , int32_t( reinterpret_cast<char*>(static_cast<nsIChannelEventSink *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIInterfaceRequestor >, int32_t( reinterpret_cast<char*>(static_cast<nsIInterfaceRequestor *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIThreadRetargetableStreamListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIThreadRetargetableStreamListener *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIStreamListener*>((nsCORSListenerProxy* )0x1000))) - reinterpret_cast<char*>((nsCORSListenerProxy *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 381 | nsIThreadRetargetableStreamListener)MozExternalRefCountType nsCORSListenerProxy::AddRef(void) { static_assert (!std::is_destructible_v<nsCORSListenerProxy>, "Reference-counted class " "nsCORSListenerProxy" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSListenerProxy" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsCORSListenerProxy" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsCORSListenerProxy\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSListenerProxy\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSListenerProxy" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("nsCORSListenerProxy" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsCORSListenerProxy::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 381 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSListenerProxy" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsCORSListenerProxy" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsCORSListenerProxy\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSListenerProxy\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 381; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSListenerProxy" " not thread-safe"); const char* const nametmp = "nsCORSListenerProxy"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } nsresult nsCORSListenerProxy::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 381); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(5 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsCORSListenerProxy, nsIStreamListener> , int32_t( reinterpret_cast<char*>(static_cast<nsIStreamListener *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIRequestObserver> , int32_t( reinterpret_cast<char*>(static_cast<nsIRequestObserver *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIChannelEventSink> , int32_t( reinterpret_cast<char*>(static_cast<nsIChannelEventSink *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIInterfaceRequestor >, int32_t( reinterpret_cast<char*>(static_cast<nsIInterfaceRequestor *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsIThreadRetargetableStreamListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIThreadRetargetableStreamListener *>((nsCORSListenerProxy*)0x1000)) - reinterpret_cast<char *>((nsCORSListenerProxy*)0x1000))}, {&mozilla::detail:: kImplementedIID<nsCORSListenerProxy, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIStreamListener*>((nsCORSListenerProxy* )0x1000))) - reinterpret_cast<char*>((nsCORSListenerProxy *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 382 | |
| 383 | /* static */ |
| 384 | void nsCORSListenerProxy::Shutdown() { |
| 385 | delete sPreflightCache; |
| 386 | sPreflightCache = nullptr; |
| 387 | } |
| 388 | |
| 389 | /* static */ |
| 390 | void nsCORSListenerProxy::ClearCache() { |
| 391 | if (!sPreflightCache) { |
| 392 | return; |
| 393 | } |
| 394 | sPreflightCache->Clear(); |
| 395 | } |
| 396 | |
| 397 | // static |
| 398 | void nsCORSListenerProxy::ClearPrivateBrowsingCache() { |
| 399 | if (!sPreflightCache) { |
| 400 | return; |
| 401 | } |
| 402 | sPreflightCache->PurgePrivateBrowsingEntries(); |
| 403 | } |
| 404 | |
| 405 | // Usually, when using an expanded principal, there's no particularly good |
| 406 | // origin to do the request with. However if the expanded principal only wraps |
| 407 | // one principal, we can use that one instead. |
| 408 | // |
| 409 | // This is needed so that DevTools can still do CORS-enabled requests (since |
| 410 | // DevTools uses a triggering principal expanding the node principal to bypass |
| 411 | // CSP checks, see Element::CreateDevToolsPrincipal(), bug 1604562, and bug |
| 412 | // 1391994). |
| 413 | static nsIPrincipal* GetOriginHeaderPrincipal(nsIPrincipal* aPrincipal) { |
| 414 | while (aPrincipal && aPrincipal->GetIsExpandedPrincipal()) { |
| 415 | auto* ep = BasePrincipal::Cast(aPrincipal)->As<ExpandedPrincipal>(); |
| 416 | if (ep->AllowList().Length() != 1) { |
| 417 | break; |
| 418 | } |
| 419 | aPrincipal = ep->AllowList()[0]; |
| 420 | } |
| 421 | return aPrincipal; |
| 422 | } |
| 423 | |
| 424 | nsCORSListenerProxy::nsCORSListenerProxy(nsIStreamListener* aOuter, |
| 425 | nsIPrincipal* aRequestingPrincipal, |
| 426 | bool aWithCredentials) |
| 427 | : mOuterListener(aOuter), |
| 428 | mRequestingPrincipal(aRequestingPrincipal), |
| 429 | mOriginHeaderPrincipal(GetOriginHeaderPrincipal(aRequestingPrincipal)), |
| 430 | mWithCredentials(aWithCredentials), |
| 431 | mRequestApproved(false), |
| 432 | mHasBeenCrossSite(false), |
| 433 | #ifdef DEBUG1 |
| 434 | mInited(false), |
| 435 | #endif |
| 436 | mMutex("nsCORSListenerProxy") { |
| 437 | } |
| 438 | |
| 439 | nsresult nsCORSListenerProxy::Init(nsIChannel* aChannel, |
| 440 | DataURIHandling aAllowDataURI) { |
| 441 | aChannel->GetNotificationCallbacks( |
| 442 | getter_AddRefs(mOuterNotificationCallbacks)); |
| 443 | aChannel->SetNotificationCallbacks(this); |
| 444 | |
| 445 | nsresult rv = |
| 446 | UpdateChannel(aChannel, aAllowDataURI, UpdateType::Default, false); |
| 447 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 448 | { |
| 449 | MutexAutoLock lock(mMutex); |
| 450 | mOuterListener = nullptr; |
| 451 | } |
| 452 | mRequestingPrincipal = nullptr; |
| 453 | mOriginHeaderPrincipal = nullptr; |
| 454 | mOuterNotificationCallbacks = nullptr; |
| 455 | mHttpChannel = nullptr; |
| 456 | } |
| 457 | #ifdef DEBUG1 |
| 458 | mInited = true; |
| 459 | #endif |
| 460 | return rv; |
| 461 | } |
| 462 | |
| 463 | NS_IMETHODIMPnsresult |
| 464 | nsCORSListenerProxy::OnStartRequest(nsIRequest* aRequest) { |
| 465 | MOZ_ASSERT(mInited, "nsCORSListenerProxy has not been initialized properly")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mInited)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mInited))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mInited" " (" "nsCORSListenerProxy has not been initialized properly" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 465); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mInited" ") (" "nsCORSListenerProxy has not been initialized properly" ")") ; do { *((volatile int*)__null) = 465; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 466 | nsresult rv = CheckRequestApproved(aRequest); |
| 467 | mRequestApproved = NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))); |
| 468 | if (!mRequestApproved) { |
| 469 | nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest); |
| 470 | if (channel) { |
| 471 | nsCOMPtr<nsIURI> uri; |
| 472 | NS_GetFinalChannelURI(channel, getter_AddRefs(uri)); |
| 473 | if (uri) { |
| 474 | OriginAttributes attrs; |
| 475 | StoragePrincipalHelper::GetOriginAttributesForNetworkState(channel, |
| 476 | attrs); |
| 477 | |
| 478 | if (sPreflightCache) { |
| 479 | // OK to use mRequestingPrincipal since preflights never get |
| 480 | // redirected. |
| 481 | sPreflightCache->RemoveEntries(uri, mRequestingPrincipal, attrs); |
| 482 | } else { |
| 483 | nsCOMPtr<nsIHttpChannelChild> httpChannelChild = |
| 484 | do_QueryInterface(channel); |
| 485 | if (httpChannelChild) { |
| 486 | rv = httpChannelChild->RemoveCorsPreflightCacheEntry( |
| 487 | uri, mRequestingPrincipal, attrs); |
| 488 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 489 | // Only warn here to ensure we fall through the request Cancel() |
| 490 | // and outer listener OnStartRequest() calls. |
| 491 | NS_WARNING("Failed to remove CORS preflight cache entry!")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to remove CORS preflight cache entry!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 491); |
| 492 | } |
| 493 | } |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | aRequest->Cancel(NS_ERROR_DOM_BAD_URI); |
| 499 | nsCOMPtr<nsIStreamListener> listener; |
| 500 | { |
| 501 | MutexAutoLock lock(mMutex); |
| 502 | listener = mOuterListener; |
| 503 | } |
| 504 | listener->OnStartRequest(aRequest); |
| 505 | |
| 506 | // Reason for NS_ERROR_DOM_BAD_URI already logged in CheckRequestApproved() |
| 507 | return NS_ERROR_DOM_BAD_URI; |
| 508 | } |
| 509 | |
| 510 | nsCOMPtr<nsIStreamListener> listener; |
| 511 | { |
| 512 | MutexAutoLock lock(mMutex); |
| 513 | listener = mOuterListener; |
| 514 | } |
| 515 | return listener->OnStartRequest(aRequest); |
| 516 | } |
| 517 | |
| 518 | namespace { |
| 519 | class CheckOriginHeader final : public nsIHttpHeaderVisitor { |
| 520 | public: |
| 521 | 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: |
| 522 | |
| 523 | CheckOriginHeader() = default; |
| 524 | |
| 525 | NS_IMETHODvirtual nsresult |
| 526 | VisitHeader(const nsACString& aHeader, const nsACString& aValue) override { |
| 527 | if (aHeader.EqualsLiteral("Access-Control-Allow-Origin")) { |
| 528 | mHeaderCount++; |
| 529 | } |
| 530 | |
| 531 | if (mHeaderCount > 1) { |
| 532 | return NS_ERROR_DOM_BAD_URI; |
| 533 | } |
| 534 | return NS_OK; |
| 535 | } |
| 536 | |
| 537 | private: |
| 538 | uint32_t mHeaderCount{0}; |
| 539 | |
| 540 | ~CheckOriginHeader() = default; |
| 541 | }; |
| 542 | |
| 543 | NS_IMPL_ISUPPORTS(CheckOriginHeader, nsIHttpHeaderVisitor)MozExternalRefCountType CheckOriginHeader::AddRef(void) { static_assert (!std::is_destructible_v<CheckOriginHeader>, "Reference-counted class " "CheckOriginHeader" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 543); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 543; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("CheckOriginHeader" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("CheckOriginHeader" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"CheckOriginHeader\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 543); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"CheckOriginHeader\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 543; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("CheckOriginHeader" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("CheckOriginHeader" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType CheckOriginHeader::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 543); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 543 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("CheckOriginHeader" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("CheckOriginHeader" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"CheckOriginHeader\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 543); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"CheckOriginHeader\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 543; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("CheckOriginHeader" " not thread-safe"); const char* const nametmp = "CheckOriginHeader"; nsrefcnt count = -- mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } nsresult CheckOriginHeader::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 543); 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<CheckOriginHeader, nsIHttpHeaderVisitor> , int32_t( reinterpret_cast<char*>(static_cast<nsIHttpHeaderVisitor *>((CheckOriginHeader*)0x1000)) - reinterpret_cast<char *>((CheckOriginHeader*)0x1000))}, {&mozilla::detail::kImplementedIID <CheckOriginHeader, nsISupports>, int32_t(reinterpret_cast <char*>(static_cast<nsISupports*>( static_cast< nsIHttpHeaderVisitor*>((CheckOriginHeader*)0x1000))) - reinterpret_cast <char*>((CheckOriginHeader*)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface" ); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID , aInstancePtr, table); return rv; } |
| 544 | } // namespace |
| 545 | |
| 546 | nsresult nsCORSListenerProxy::CheckRequestApproved(nsIRequest* aRequest) { |
| 547 | // Check if this was actually a cross domain request |
| 548 | if (!mHasBeenCrossSite) { |
| 549 | return NS_OK; |
| 550 | } |
| 551 | nsCOMPtr<nsIHttpChannel> topChannel; |
| 552 | topChannel.swap(mHttpChannel); |
| 553 | |
| 554 | if (StaticPrefs::content_cors_disable()) { |
| 555 | LogBlockedRequest(aRequest, "CORSDisabled", nullptr, |
| 556 | nsILoadInfo::BLOCKING_REASON_CORSDISABLED, topChannel); |
| 557 | return NS_ERROR_DOM_BAD_URI; |
| 558 | } |
| 559 | |
| 560 | // Check if the request failed |
| 561 | nsresult status; |
| 562 | nsresult rv = aRequest->GetStatus(&status); |
| 563 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 564 | LogBlockedRequest(aRequest, "CORSDidNotSucceed2", nullptr, |
| 565 | nsILoadInfo::BLOCKING_REASON_CORSDIDNOTSUCCEED, |
| 566 | topChannel); |
| 567 | return rv; |
| 568 | } |
| 569 | |
| 570 | if (NS_FAILED(status)((bool)(__builtin_expect(!!(NS_FAILED_impl(status)), 0)))) { |
| 571 | if (NS_BINDING_ABORTED != status) { |
| 572 | // Don't want to log mere cancellation as an error. |
| 573 | LogBlockedRequest(aRequest, "CORSDidNotSucceed2", nullptr, |
| 574 | nsILoadInfo::BLOCKING_REASON_CORSDIDNOTSUCCEED, |
| 575 | topChannel); |
| 576 | } |
| 577 | return status; |
| 578 | } |
| 579 | |
| 580 | // Test that things worked on a HTTP level |
| 581 | nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aRequest); |
| 582 | if (!http) { |
| 583 | nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest); |
| 584 | nsCOMPtr<nsIURI> uri; |
| 585 | NS_GetFinalChannelURI(channel, getter_AddRefs(uri)); |
| 586 | if (uri && uri->SchemeIs("moz-extension")) { |
| 587 | // moz-extension:-URLs do not support CORS, but can universally be read |
| 588 | // if an extension lists the resource in web_accessible_resources. |
| 589 | // Access will be checked in UpdateChannel. |
| 590 | return NS_OK; |
| 591 | } |
| 592 | LogBlockedRequest(aRequest, "CORSRequestNotHttp", nullptr, |
| 593 | nsILoadInfo::BLOCKING_REASON_CORSREQUESTNOTHTTP, |
| 594 | topChannel); |
| 595 | return NS_ERROR_DOM_BAD_URI; |
| 596 | } |
| 597 | |
| 598 | nsCOMPtr<nsILoadInfo> loadInfo = http->LoadInfo(); |
| 599 | if (loadInfo->GetServiceWorkerTaintingSynthesized()) { |
| 600 | // For synthesized responses, we don't need to perform any checks. |
| 601 | // Note: This would be unsafe if we ever changed our behavior to allow |
| 602 | // service workers to intercept CORS preflights. |
| 603 | return NS_OK; |
| 604 | } |
| 605 | |
| 606 | // Check the Access-Control-Allow-Origin header |
| 607 | RefPtr<CheckOriginHeader> visitor = new CheckOriginHeader(); |
| 608 | nsAutoCString allowedOriginHeader; |
| 609 | |
| 610 | // check for duplicate headers |
| 611 | rv = http->VisitOriginalResponseHeaders(visitor); |
| 612 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 613 | LogBlockedRequest( |
| 614 | aRequest, "CORSMultipleAllowOriginNotAllowed", nullptr, |
| 615 | nsILoadInfo::BLOCKING_REASON_CORSMULTIPLEALLOWORIGINNOTALLOWED, |
| 616 | topChannel); |
| 617 | return rv; |
| 618 | } |
| 619 | |
| 620 | rv = http->GetResponseHeader("Access-Control-Allow-Origin"_ns, |
| 621 | allowedOriginHeader); |
| 622 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 623 | auto statusCode = GetStatusCodeAsString(http); |
| 624 | LogBlockedRequest(aRequest, "CORSMissingAllowOrigin2", statusCode.get(), |
| 625 | nsILoadInfo::BLOCKING_REASON_CORSMISSINGALLOWORIGIN, |
| 626 | topChannel); |
| 627 | return rv; |
| 628 | } |
| 629 | |
| 630 | // Bug 1210985 - Explicitly point out the error that the credential is |
| 631 | // not supported if the allowing origin is '*'. Note that this check |
| 632 | // has to be done before the condition |
| 633 | // |
| 634 | // >> if (mWithCredentials || !allowedOriginHeader.EqualsLiteral("*")) |
| 635 | // |
| 636 | // below since "if (A && B)" is included in "if (A || !B)". |
| 637 | // |
| 638 | if (mWithCredentials && allowedOriginHeader.EqualsLiteral("*")) { |
| 639 | LogBlockedRequest(aRequest, "CORSNotSupportingCredentials", nullptr, |
| 640 | nsILoadInfo::BLOCKING_REASON_CORSNOTSUPPORTINGCREDENTIALS, |
| 641 | topChannel); |
| 642 | return NS_ERROR_DOM_BAD_URI; |
| 643 | } |
| 644 | |
| 645 | if (mWithCredentials || !allowedOriginHeader.EqualsLiteral("*")) { |
| 646 | MOZ_ASSERT(!mOriginHeaderPrincipal->GetIsExpandedPrincipal())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mOriginHeaderPrincipal->GetIsExpandedPrincipal() )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!mOriginHeaderPrincipal->GetIsExpandedPrincipal() ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!mOriginHeaderPrincipal->GetIsExpandedPrincipal()", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 646); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mOriginHeaderPrincipal->GetIsExpandedPrincipal()" ")"); do { *((volatile int*)__null) = 646; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 647 | nsAutoCString origin; |
| 648 | mOriginHeaderPrincipal->GetWebExposedOriginSerialization(origin); |
| 649 | |
| 650 | if (!allowedOriginHeader.Equals(origin)) { |
| 651 | LogBlockedRequest( |
| 652 | aRequest, "CORSAllowOriginNotMatchingOrigin", |
| 653 | NS_ConvertUTF8toUTF16(allowedOriginHeader).get(), |
| 654 | nsILoadInfo::BLOCKING_REASON_CORSALLOWORIGINNOTMATCHINGORIGIN, |
| 655 | topChannel); |
| 656 | return NS_ERROR_DOM_BAD_URI; |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | // Check Access-Control-Allow-Credentials header |
| 661 | if (mWithCredentials) { |
| 662 | nsAutoCString allowCredentialsHeader; |
| 663 | rv = http->GetResponseHeader("Access-Control-Allow-Credentials"_ns, |
Value stored to 'rv' is never read | |
| 664 | allowCredentialsHeader); |
| 665 | |
| 666 | if (!allowCredentialsHeader.EqualsLiteral("true")) { |
| 667 | LogBlockedRequest( |
| 668 | aRequest, "CORSMissingAllowCredentials", nullptr, |
| 669 | nsILoadInfo::BLOCKING_REASON_CORSMISSINGALLOWCREDENTIALS, topChannel); |
| 670 | return NS_ERROR_DOM_BAD_URI; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | return NS_OK; |
| 675 | } |
| 676 | |
| 677 | NS_IMETHODIMPnsresult |
| 678 | nsCORSListenerProxy::OnStopRequest(nsIRequest* aRequest, nsresult aStatusCode) { |
| 679 | MOZ_ASSERT(mInited, "nsCORSListenerProxy has not been initialized properly")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mInited)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mInited))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mInited" " (" "nsCORSListenerProxy has not been initialized properly" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 679); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mInited" ") (" "nsCORSListenerProxy has not been initialized properly" ")") ; do { *((volatile int*)__null) = 679; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 680 | nsCOMPtr<nsIStreamListener> listener; |
| 681 | { |
| 682 | MutexAutoLock lock(mMutex); |
| 683 | listener = std::move(mOuterListener); |
| 684 | } |
| 685 | nsresult rv = listener->OnStopRequest(aRequest, aStatusCode); |
| 686 | mOuterNotificationCallbacks = nullptr; |
| 687 | mHttpChannel = nullptr; |
| 688 | return rv; |
| 689 | } |
| 690 | |
| 691 | NS_IMETHODIMPnsresult |
| 692 | nsCORSListenerProxy::OnDataAvailable(nsIRequest* aRequest, |
| 693 | nsIInputStream* aInputStream, |
| 694 | uint64_t aOffset, uint32_t aCount) { |
| 695 | // NB: This can be called on any thread! But we're guaranteed that it is |
| 696 | // called between OnStartRequest and OnStopRequest, so we don't need to worry |
| 697 | // about races. |
| 698 | |
| 699 | MOZ_ASSERT(mInited, "nsCORSListenerProxy has not been initialized properly")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mInited)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mInited))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mInited" " (" "nsCORSListenerProxy has not been initialized properly" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 699); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mInited" ") (" "nsCORSListenerProxy has not been initialized properly" ")") ; do { *((volatile int*)__null) = 699; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 700 | if (!mRequestApproved) { |
| 701 | // Reason for NS_ERROR_DOM_BAD_URI already logged in CheckRequestApproved() |
| 702 | return NS_ERROR_DOM_BAD_URI; |
| 703 | } |
| 704 | nsCOMPtr<nsIStreamListener> listener; |
| 705 | { |
| 706 | MutexAutoLock lock(mMutex); |
| 707 | listener = mOuterListener; |
| 708 | } |
| 709 | return listener->OnDataAvailable(aRequest, aInputStream, aOffset, aCount); |
| 710 | } |
| 711 | |
| 712 | NS_IMETHODIMPnsresult |
| 713 | nsCORSListenerProxy::OnDataFinished(nsresult aStatus) { |
| 714 | nsCOMPtr<nsIStreamListener> listener; |
| 715 | { |
| 716 | MutexAutoLock lock(mMutex); |
| 717 | listener = mOuterListener; |
| 718 | } |
| 719 | if (!listener) { |
| 720 | return NS_ERROR_FAILURE; |
| 721 | } |
| 722 | nsCOMPtr<nsIThreadRetargetableStreamListener> retargetableListener = |
| 723 | do_QueryInterface(listener); |
| 724 | if (retargetableListener) { |
| 725 | return retargetableListener->OnDataFinished(aStatus); |
| 726 | } |
| 727 | |
| 728 | return NS_OK; |
| 729 | } |
| 730 | |
| 731 | void nsCORSListenerProxy::SetInterceptController( |
| 732 | nsINetworkInterceptController* aInterceptController) { |
| 733 | mInterceptController = aInterceptController; |
| 734 | } |
| 735 | |
| 736 | NS_IMETHODIMPnsresult |
| 737 | nsCORSListenerProxy::GetInterface(const nsIID& aIID, void** aResult) { |
| 738 | if (aIID.Equals(NS_GET_IID(nsIChannelEventSink)(nsIChannelEventSink::COMTypeInfo<nsIChannelEventSink, void >::kIID))) { |
| 739 | *aResult = static_cast<nsIChannelEventSink*>(this); |
| 740 | NS_ADDREF_THIS()AddRef(); |
| 741 | |
| 742 | return NS_OK; |
| 743 | } |
| 744 | |
| 745 | if (aIID.Equals(NS_GET_IID(nsINetworkInterceptController)(nsINetworkInterceptController::COMTypeInfo<nsINetworkInterceptController , void>::kIID)) && |
| 746 | mInterceptController) { |
| 747 | nsCOMPtr<nsINetworkInterceptController> copy(mInterceptController); |
| 748 | *aResult = copy.forget().take(); |
| 749 | |
| 750 | return NS_OK; |
| 751 | } |
| 752 | |
| 753 | return mOuterNotificationCallbacks |
| 754 | ? mOuterNotificationCallbacks->GetInterface(aIID, aResult) |
| 755 | : NS_ERROR_NO_INTERFACE; |
| 756 | } |
| 757 | |
| 758 | NS_IMETHODIMPnsresult |
| 759 | nsCORSListenerProxy::AsyncOnChannelRedirect( |
| 760 | nsIChannel* aOldChannel, nsIChannel* aNewChannel, uint32_t aFlags, |
| 761 | nsIAsyncVerifyRedirectCallback* aCb) { |
| 762 | nsresult rv; |
| 763 | if (NS_IsInternalSameURIRedirect(aOldChannel, aNewChannel, aFlags) || |
| 764 | NS_IsHSTSUpgradeRedirect(aOldChannel, aNewChannel, aFlags)) { |
| 765 | // Internal redirects still need to be updated in order to maintain |
| 766 | // the correct headers. We use DataURIHandling::Allow, since unallowed |
| 767 | // data URIs should have been blocked before we got to the internal |
| 768 | // redirect. |
| 769 | rv = UpdateChannel(aNewChannel, DataURIHandling::Allow, |
| 770 | UpdateType::InternalOrHSTSRedirect, false); |
| 771 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 772 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "nsCORSListenerProxy::AsyncOnChannelRedirect: " "internal redirect UpdateChannel() returned failure", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 774) |
| 773 | "nsCORSListenerProxy::AsyncOnChannelRedirect: "NS_DebugBreak(NS_DEBUG_WARNING, "nsCORSListenerProxy::AsyncOnChannelRedirect: " "internal redirect UpdateChannel() returned failure", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 774) |
| 774 | "internal redirect UpdateChannel() returned failure")NS_DebugBreak(NS_DEBUG_WARNING, "nsCORSListenerProxy::AsyncOnChannelRedirect: " "internal redirect UpdateChannel() returned failure", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 774); |
| 775 | aOldChannel->Cancel(rv); |
| 776 | return rv; |
| 777 | } |
| 778 | } else { |
| 779 | mIsRedirect = true; |
| 780 | // A real, external redirect. Perform CORS checking on new URL. |
| 781 | rv = CheckRequestApproved(aOldChannel); |
| 782 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 783 | nsCOMPtr<nsIURI> oldURI; |
| 784 | NS_GetFinalChannelURI(aOldChannel, getter_AddRefs(oldURI)); |
| 785 | if (oldURI) { |
| 786 | OriginAttributes attrs; |
| 787 | StoragePrincipalHelper::GetOriginAttributesForNetworkState(aOldChannel, |
| 788 | attrs); |
| 789 | if (sPreflightCache) { |
| 790 | // OK to use mRequestingPrincipal since preflights never get |
| 791 | // redirected. |
| 792 | sPreflightCache->RemoveEntries(oldURI, mRequestingPrincipal, attrs); |
| 793 | } else { |
| 794 | nsCOMPtr<nsIHttpChannelChild> httpChannelChild = |
| 795 | do_QueryInterface(aOldChannel); |
| 796 | if (httpChannelChild) { |
| 797 | rv = httpChannelChild->RemoveCorsPreflightCacheEntry( |
| 798 | oldURI, mRequestingPrincipal, attrs); |
| 799 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 800 | // Only warn here to ensure we call the channel Cancel() below |
| 801 | NS_WARNING("Failed to remove CORS preflight cache entry!")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to remove CORS preflight cache entry!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 801); |
| 802 | } |
| 803 | } |
| 804 | } |
| 805 | } |
| 806 | aOldChannel->Cancel(NS_ERROR_DOM_BAD_URI); |
| 807 | // Reason for NS_ERROR_DOM_BAD_URI already logged in |
| 808 | // CheckRequestApproved() |
| 809 | return NS_ERROR_DOM_BAD_URI; |
| 810 | } |
| 811 | |
| 812 | if (mHasBeenCrossSite) { |
| 813 | // Once we've been cross-site, cross-origin redirects reset our source |
| 814 | // origin. Note that we need to call GetChannelURIPrincipal() because |
| 815 | // we are looking for the principal that is actually being loaded and not |
| 816 | // the principal that initiated the load. |
| 817 | nsCOMPtr<nsIPrincipal> oldChannelPrincipal; |
| 818 | nsContentUtils::GetSecurityManager()->GetChannelURIPrincipal( |
| 819 | aOldChannel, getter_AddRefs(oldChannelPrincipal)); |
| 820 | nsCOMPtr<nsIPrincipal> newChannelPrincipal; |
| 821 | nsContentUtils::GetSecurityManager()->GetChannelURIPrincipal( |
| 822 | aNewChannel, getter_AddRefs(newChannelPrincipal)); |
| 823 | if (!oldChannelPrincipal || !newChannelPrincipal) { |
| 824 | rv = NS_ERROR_OUT_OF_MEMORY; |
| 825 | } |
| 826 | |
| 827 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 828 | aOldChannel->Cancel(rv); |
| 829 | return rv; |
| 830 | } |
| 831 | |
| 832 | if (!oldChannelPrincipal->Equals(newChannelPrincipal)) { |
| 833 | // Spec says to set our source origin to a unique origin. |
| 834 | mOriginHeaderPrincipal = |
| 835 | NullPrincipal::CreateWithInheritedAttributes(oldChannelPrincipal); |
| 836 | } |
| 837 | } |
| 838 | |
| 839 | bool rewriteToGET = false; |
| 840 | // We need to strip auth header from preflight request for |
| 841 | // cross-origin redirects. |
| 842 | // See Bug 1874132 |
| 843 | bool stripAuthHeader = |
| 844 | NS_ShouldRemoveAuthHeaderOnRedirect(aOldChannel, aNewChannel, aFlags); |
| 845 | |
| 846 | nsCOMPtr<nsIHttpChannel> oldHttpChannel = do_QueryInterface(aOldChannel); |
| 847 | if (oldHttpChannel) { |
| 848 | nsAutoCString method; |
| 849 | Unused << oldHttpChannel->GetRequestMethod(method); |
| 850 | Unused << oldHttpChannel->ShouldStripRequestBodyHeader(method, |
| 851 | &rewriteToGET); |
| 852 | } |
| 853 | |
| 854 | rv = UpdateChannel( |
| 855 | aNewChannel, DataURIHandling::Disallow, |
| 856 | rewriteToGET ? UpdateType::StripRequestBodyHeader : UpdateType::Default, |
| 857 | stripAuthHeader); |
| 858 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 859 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "nsCORSListenerProxy::AsyncOnChannelRedirect: " "UpdateChannel() returned failure", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 861) |
| 860 | "nsCORSListenerProxy::AsyncOnChannelRedirect: "NS_DebugBreak(NS_DEBUG_WARNING, "nsCORSListenerProxy::AsyncOnChannelRedirect: " "UpdateChannel() returned failure", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 861) |
| 861 | "UpdateChannel() returned failure")NS_DebugBreak(NS_DEBUG_WARNING, "nsCORSListenerProxy::AsyncOnChannelRedirect: " "UpdateChannel() returned failure", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 861); |
| 862 | aOldChannel->Cancel(rv); |
| 863 | return rv; |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | nsCOMPtr<nsIChannelEventSink> outer = |
| 868 | do_GetInterface(mOuterNotificationCallbacks); |
| 869 | if (outer) { |
| 870 | return outer->AsyncOnChannelRedirect(aOldChannel, aNewChannel, aFlags, aCb); |
| 871 | } |
| 872 | |
| 873 | aCb->OnRedirectVerifyCallback(NS_OK); |
| 874 | |
| 875 | return NS_OK; |
| 876 | } |
| 877 | |
| 878 | NS_IMETHODIMPnsresult |
| 879 | nsCORSListenerProxy::CheckListenerChain() { |
| 880 | 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()" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 880); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 880; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 881 | |
| 882 | nsCOMPtr<nsIThreadRetargetableStreamListener> retargetableListener; |
| 883 | { |
| 884 | MutexAutoLock lock(mMutex); |
| 885 | retargetableListener = do_QueryInterface(mOuterListener); |
| 886 | } |
| 887 | if (!retargetableListener) { |
| 888 | return NS_ERROR_NO_INTERFACE; |
| 889 | } |
| 890 | |
| 891 | return retargetableListener->CheckListenerChain(); |
| 892 | } |
| 893 | |
| 894 | // Please note that the CSP directive 'upgrade-insecure-requests' and the |
| 895 | // HTTPS-Only Mode are relying on the promise that channels get updated from |
| 896 | // http: to https: before the channel fetches any data from the netwerk. Such |
| 897 | // channels should not be blocked by CORS and marked as cross origin requests. |
| 898 | // E.g.: toplevel page: https://www.example.com loads |
| 899 | // xhr: http://www.example.com/foo which gets updated to |
| 900 | // https://www.example.com/foo |
| 901 | // In such a case we should bail out of CORS and rely on the promise that |
| 902 | // nsHttpChannel::Connect() upgrades the request from http to https. |
| 903 | bool CheckInsecureUpgradePreventsCORS(nsIPrincipal* aRequestingPrincipal, |
| 904 | nsIChannel* aChannel) { |
| 905 | nsCOMPtr<nsIURI> channelURI; |
| 906 | nsresult rv = NS_GetFinalChannelURI(aChannel, getter_AddRefs(channelURI)); |
| 907 | NS_ENSURE_SUCCESS(rv, false)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", "false", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 907); return false; } } while (false); |
| 908 | |
| 909 | // upgrade insecure requests is only applicable to http requests |
| 910 | if (!channelURI->SchemeIs("http")) { |
| 911 | return false; |
| 912 | } |
| 913 | |
| 914 | nsCOMPtr<nsIURI> originalURI; |
| 915 | rv = aChannel->GetOriginalURI(getter_AddRefs(originalURI)); |
| 916 | NS_ENSURE_SUCCESS(rv, false)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", "false", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 916); return false; } } while (false); |
| 917 | |
| 918 | nsAutoCString principalHost, channelHost, origChannelHost; |
| 919 | |
| 920 | // if we can not query a host from the uri, there is nothing to do |
| 921 | if (NS_FAILED(aRequestingPrincipal->GetAsciiHost(principalHost))((bool)(__builtin_expect(!!(NS_FAILED_impl(aRequestingPrincipal ->GetAsciiHost(principalHost))), 0))) || |
| 922 | NS_FAILED(channelURI->GetAsciiHost(channelHost))((bool)(__builtin_expect(!!(NS_FAILED_impl(channelURI->GetAsciiHost (channelHost))), 0))) || |
| 923 | NS_FAILED(originalURI->GetAsciiHost(origChannelHost))((bool)(__builtin_expect(!!(NS_FAILED_impl(originalURI->GetAsciiHost (origChannelHost))), 0)))) { |
| 924 | return false; |
| 925 | } |
| 926 | |
| 927 | // if the hosts do not match, there is nothing to do |
| 928 | if (!principalHost.EqualsIgnoreCase(channelHost.get())) { |
| 929 | return false; |
| 930 | } |
| 931 | |
| 932 | // also check that uri matches the one of the originalURI |
| 933 | if (!channelHost.EqualsIgnoreCase(origChannelHost.get())) { |
| 934 | return false; |
| 935 | } |
| 936 | |
| 937 | return true; |
| 938 | } |
| 939 | |
| 940 | nsresult nsCORSListenerProxy::UpdateChannel(nsIChannel* aChannel, |
| 941 | DataURIHandling aAllowDataURI, |
| 942 | UpdateType aUpdateType, |
| 943 | bool aStripAuthHeader) { |
| 944 | MOZ_ASSERT_IF(aUpdateType == UpdateType::InternalOrHSTSRedirect,do { if (aUpdateType == UpdateType::InternalOrHSTSRedirect) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aStripAuthHeader)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aStripAuthHeader))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!aStripAuthHeader" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 945); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aStripAuthHeader" ")"); do { *((volatile int*)__null) = 945; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false) |
| 945 | !aStripAuthHeader)do { if (aUpdateType == UpdateType::InternalOrHSTSRedirect) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aStripAuthHeader)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aStripAuthHeader))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!aStripAuthHeader" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 945); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aStripAuthHeader" ")"); do { *((volatile int*)__null) = 945; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); |
| 946 | nsCOMPtr<nsIURI> uri, originalURI; |
| 947 | nsresult rv = NS_GetFinalChannelURI(aChannel, getter_AddRefs(uri)); |
| 948 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 948); return rv; } } while (false); |
| 949 | rv = aChannel->GetOriginalURI(getter_AddRefs(originalURI)); |
| 950 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 950); return rv; } } while (false); |
| 951 | |
| 952 | nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo(); |
| 953 | |
| 954 | // Introduced for DevTools in order to allow overriding some requests |
| 955 | // with the content of data: URIs. |
| 956 | if (loadInfo->GetAllowInsecureRedirectToDataURI() && uri->SchemeIs("data")) { |
| 957 | return NS_OK; |
| 958 | } |
| 959 | |
| 960 | // exempt data URIs from the same origin check. |
| 961 | if (aAllowDataURI == DataURIHandling::Allow && originalURI == uri) { |
| 962 | if (uri->SchemeIs("data")) { |
| 963 | return NS_OK; |
| 964 | } |
| 965 | if (loadInfo->GetAboutBlankInherits() && NS_IsAboutBlank(uri)) { |
| 966 | return NS_OK; |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | // Set CORS attributes on channel so that intercepted requests get correct |
| 971 | // values. We have to do this here because the CheckMayLoad checks may lead |
| 972 | // to early return. We can't be sure this is an http channel though, so we |
| 973 | // can't return early on failure. |
| 974 | nsCOMPtr<nsIHttpChannelInternal> internal = do_QueryInterface(aChannel); |
| 975 | if (internal) { |
| 976 | rv = internal->SetRequestMode(dom::RequestMode::Cors); |
| 977 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 977); return rv; } } while (false); |
| 978 | rv = internal->SetCorsIncludeCredentials(mWithCredentials); |
| 979 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 979); return rv; } } while (false); |
| 980 | } |
| 981 | |
| 982 | // TODO: Bug 1353683 |
| 983 | // consider calling SetBlockedRequest in nsCORSListenerProxy::UpdateChannel |
| 984 | // |
| 985 | // Check that the uri is ok to load |
| 986 | uint32_t flags = loadInfo->CheckLoadURIFlags(); |
| 987 | rv = nsContentUtils::GetSecurityManager()->CheckLoadURIWithPrincipal( |
| 988 | mRequestingPrincipal, uri, flags, loadInfo->GetInnerWindowID()); |
| 989 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 989); return rv; } } while (false); |
| 990 | |
| 991 | if (originalURI != uri) { |
| 992 | rv = nsContentUtils::GetSecurityManager()->CheckLoadURIWithPrincipal( |
| 993 | mRequestingPrincipal, originalURI, flags, loadInfo->GetInnerWindowID()); |
| 994 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 994); return rv; } } while (false); |
| 995 | } |
| 996 | |
| 997 | if (uri->SchemeIs("moz-extension")) { |
| 998 | // moz-extension:-URLs do not support CORS, but can universally be read |
| 999 | // if an extension lists the resource in web_accessible_resources. |
| 1000 | // This is enforced via the CheckLoadURIWithPrincipal call above: |
| 1001 | // moz-extension resources have the URI_DANGEROUS_TO_LOAD flag, unless |
| 1002 | // listed in web_accessible_resources. |
| 1003 | return NS_OK; |
| 1004 | } |
| 1005 | |
| 1006 | if (!mHasBeenCrossSite && |
| 1007 | NS_SUCCEEDED(mRequestingPrincipal->CheckMayLoad(uri, false))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mRequestingPrincipal ->CheckMayLoad(uri, false))), 1))) && |
| 1008 | (originalURI == uri || |
| 1009 | NS_SUCCEEDED(mRequestingPrincipal->CheckMayLoad(originalURI, false))((bool)(__builtin_expect(!!(!NS_FAILED_impl(mRequestingPrincipal ->CheckMayLoad(originalURI, false))), 1))))) { |
| 1010 | return NS_OK; |
| 1011 | } |
| 1012 | |
| 1013 | // If the CSP directive 'upgrade-insecure-requests' is used or the HTTPS-Only |
| 1014 | // Mode is enabled then we should not incorrectly require CORS if the only |
| 1015 | // difference of a subresource request and the main page is the scheme. e.g. |
| 1016 | // toplevel page: https://www.example.com loads |
| 1017 | // xhr: http://www.example.com/somefoo, |
| 1018 | // then the xhr request will be upgraded to https before it fetches any data |
| 1019 | // from the netwerk, hence we shouldn't require CORS in that specific case. |
| 1020 | if (CheckInsecureUpgradePreventsCORS(mRequestingPrincipal, aChannel)) { |
| 1021 | // Check if https-only mode upgrades this later anyway |
| 1022 | nsCOMPtr<nsILoadInfo> loadinfo = aChannel->LoadInfo(); |
| 1023 | if (nsHTTPSOnlyUtils::IsSafeToAcceptCORSOrMixedContent(loadinfo)) { |
| 1024 | return NS_OK; |
| 1025 | } |
| 1026 | // Check if 'upgrade-insecure-requests' is used |
| 1027 | if (loadInfo->GetUpgradeInsecureRequests() || |
| 1028 | loadInfo->GetBrowserUpgradeInsecureRequests()) { |
| 1029 | return NS_OK; |
| 1030 | } |
| 1031 | } |
| 1032 | |
| 1033 | // Check if we need to do a preflight, and if so set one up. This must be |
| 1034 | // called once we know that the request is going, or has gone, cross-origin. |
| 1035 | rv = CheckPreflightNeeded(aChannel, aUpdateType, aStripAuthHeader); |
| 1036 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1036); return rv; } } while (false); |
| 1037 | |
| 1038 | // It's a cross site load |
| 1039 | mHasBeenCrossSite = true; |
| 1040 | |
| 1041 | if (mIsRedirect) { |
| 1042 | // https://fetch.spec.whatwg.org/#http-redirect-fetch |
| 1043 | // Step 9. If request’s mode is "cors", locationURL includes credentials, |
| 1044 | // and request’s origin is not same origin with locationURL’s origin, |
| 1045 | // then return a network error. |
| 1046 | |
| 1047 | nsAutoCString userpass; |
| 1048 | uri->GetUserPass(userpass); |
| 1049 | NS_ENSURE_TRUE(userpass.IsEmpty(), NS_ERROR_DOM_BAD_URI)do { if ((__builtin_expect(!!(!(userpass.IsEmpty())), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "userpass.IsEmpty()" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1049); return NS_ERROR_DOM_BAD_URI; } } while (false); |
| 1050 | } |
| 1051 | |
| 1052 | // If we have an expanded principal here, we'll reject the CORS request, |
| 1053 | // because we can't send a useful Origin header which is required for CORS. |
| 1054 | if (nsContentUtils::IsExpandedPrincipal(mOriginHeaderPrincipal)) { |
| 1055 | nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aChannel); |
| 1056 | LogBlockedRequest(aChannel, "CORSOriginHeaderNotAdded", nullptr, |
| 1057 | nsILoadInfo::BLOCKING_REASON_CORSORIGINHEADERNOTADDED, |
| 1058 | httpChannel); |
| 1059 | return NS_ERROR_DOM_BAD_URI; |
| 1060 | } |
| 1061 | |
| 1062 | // Add the Origin header |
| 1063 | nsAutoCString origin; |
| 1064 | rv = mOriginHeaderPrincipal->GetWebExposedOriginSerialization(origin); |
| 1065 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1065); return rv; } } while (false); |
| 1066 | |
| 1067 | nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aChannel); |
| 1068 | NS_ENSURE_TRUE(http, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(http)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "http" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1068); return NS_ERROR_FAILURE; } } while (false); |
| 1069 | |
| 1070 | // hide the Origin header when requesting from .onion and requesting CORS |
| 1071 | if (StaticPrefs::network_http_referer_hideOnionSource()) { |
| 1072 | if (mOriginHeaderPrincipal->GetIsOnion()) { |
| 1073 | origin.AssignLiteral("null"); |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | rv = http->SetRequestHeader(net::nsHttp::Origin.val(), origin, false); |
| 1078 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1078); return rv; } } while (false); |
| 1079 | |
| 1080 | // Make cookie-less if needed. We don't need to do anything here if the |
| 1081 | // channel was opened with AsyncOpen, since then AsyncOpen will take |
| 1082 | // care of the cookie policy for us. |
| 1083 | if (!mWithCredentials) { |
| 1084 | nsLoadFlags flags; |
| 1085 | rv = http->GetLoadFlags(&flags); |
| 1086 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1086); return rv; } } while (false); |
| 1087 | |
| 1088 | flags |= nsIRequest::LOAD_ANONYMOUS; |
| 1089 | if (StaticPrefs::network_cors_preflight_allow_client_cert()) { |
| 1090 | flags |= nsIRequest::LOAD_ANONYMOUS_ALLOW_CLIENT_CERT; |
| 1091 | } |
| 1092 | rv = http->SetLoadFlags(flags); |
| 1093 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1093); return rv; } } while (false); |
| 1094 | } |
| 1095 | |
| 1096 | mHttpChannel = http; |
| 1097 | |
| 1098 | return NS_OK; |
| 1099 | } |
| 1100 | |
| 1101 | nsresult nsCORSListenerProxy::CheckPreflightNeeded(nsIChannel* aChannel, |
| 1102 | UpdateType aUpdateType, |
| 1103 | bool aStripAuthHeader) { |
| 1104 | // If this caller isn't using AsyncOpen, or if this *is* a preflight channel, |
| 1105 | // then we shouldn't initiate preflight for this channel. |
| 1106 | nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo(); |
| 1107 | if (loadInfo->GetSecurityMode() != |
| 1108 | nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT || |
| 1109 | loadInfo->GetIsPreflight()) { |
| 1110 | return NS_OK; |
| 1111 | } |
| 1112 | |
| 1113 | bool doPreflight = loadInfo->GetForcePreflight(); |
| 1114 | |
| 1115 | nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aChannel); |
| 1116 | if (!http) { |
| 1117 | // Note: A preflight is not needed for moz-extension:-requests either, but |
| 1118 | // there is already a check for that in the caller of CheckPreflightNeeded, |
| 1119 | // in UpdateChannel. |
| 1120 | LogBlockedRequest(aChannel, "CORSRequestNotHttp", nullptr, |
| 1121 | nsILoadInfo::BLOCKING_REASON_CORSREQUESTNOTHTTP, |
| 1122 | mHttpChannel); |
| 1123 | return NS_ERROR_DOM_BAD_URI; |
| 1124 | } |
| 1125 | |
| 1126 | nsAutoCString method; |
| 1127 | Unused << http->GetRequestMethod(method); |
| 1128 | if (!method.LowerCaseEqualsLiteral("get") && |
| 1129 | !method.LowerCaseEqualsLiteral("post") && |
| 1130 | !method.LowerCaseEqualsLiteral("head")) { |
| 1131 | doPreflight = true; |
| 1132 | } |
| 1133 | |
| 1134 | // Avoid copying the array here |
| 1135 | const nsTArray<nsCString>& loadInfoHeaders = loadInfo->CorsUnsafeHeaders(); |
| 1136 | if (!loadInfoHeaders.IsEmpty()) { |
| 1137 | doPreflight = true; |
| 1138 | } |
| 1139 | |
| 1140 | // Add Content-Type header if needed |
| 1141 | nsTArray<nsCString> headers; |
| 1142 | nsAutoCString contentTypeHeader; |
| 1143 | nsresult rv = http->GetRequestHeader("Content-Type"_ns, contentTypeHeader); |
| 1144 | // GetRequestHeader return an error if the header is not set. Don't add |
| 1145 | // "content-type" to the list if that's the case. |
| 1146 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && |
| 1147 | !nsContentUtils::IsAllowedNonCorsContentType(contentTypeHeader) && |
| 1148 | !loadInfoHeaders.Contains("content-type"_ns, |
| 1149 | nsCaseInsensitiveCStringArrayComparator())) { |
| 1150 | headers.AppendElements(loadInfoHeaders); |
| 1151 | headers.AppendElement("content-type"_ns); |
| 1152 | doPreflight = true; |
| 1153 | } |
| 1154 | |
| 1155 | if (!doPreflight) { |
| 1156 | return NS_OK; |
| 1157 | } |
| 1158 | |
| 1159 | nsCOMPtr<nsIHttpChannelInternal> internal = do_QueryInterface(http); |
| 1160 | if (!internal) { |
| 1161 | auto statusCode = GetStatusCodeAsString(http); |
| 1162 | LogBlockedRequest(aChannel, "CORSDidNotSucceed2", statusCode.get(), |
| 1163 | nsILoadInfo::BLOCKING_REASON_CORSDIDNOTSUCCEED, |
| 1164 | mHttpChannel); |
| 1165 | return NS_ERROR_DOM_BAD_URI; |
| 1166 | } |
| 1167 | |
| 1168 | internal->SetCorsPreflightParameters( |
| 1169 | headers.IsEmpty() ? loadInfoHeaders : headers, |
| 1170 | aUpdateType == UpdateType::StripRequestBodyHeader, aStripAuthHeader); |
| 1171 | |
| 1172 | return NS_OK; |
| 1173 | } |
| 1174 | |
| 1175 | ////////////////////////////////////////////////////////////////////////// |
| 1176 | // Preflight proxy |
| 1177 | |
| 1178 | // Class used as streamlistener and notification callback when |
| 1179 | // doing the initial OPTIONS request for a CORS check |
| 1180 | class nsCORSPreflightListener final : public nsIStreamListener, |
| 1181 | public nsIInterfaceRequestor, |
| 1182 | public nsIChannelEventSink { |
| 1183 | public: |
| 1184 | nsCORSPreflightListener(nsIPrincipal* aReferrerPrincipal, |
| 1185 | nsICorsPreflightCallback* aCallback, |
| 1186 | nsILoadContext* aLoadContext, bool aWithCredentials, |
| 1187 | const nsCString& aPreflightMethod, |
| 1188 | const nsTArray<nsCString>& aPreflightHeaders) |
| 1189 | : mPreflightMethod(aPreflightMethod), |
| 1190 | mPreflightHeaders(aPreflightHeaders.Clone()), |
| 1191 | mReferrerPrincipal(aReferrerPrincipal), |
| 1192 | mCallback(aCallback), |
| 1193 | mLoadContext(aLoadContext), |
| 1194 | mWithCredentials(aWithCredentials) {} |
| 1195 | |
| 1196 | 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: |
| 1197 | NS_DECL_NSISTREAMLISTENERvirtual nsresult OnDataAvailable(nsIRequest *aRequest, nsIInputStream *aInputStream, uint64_t aOffset, uint32_t aCount) override; |
| 1198 | NS_DECL_NSIREQUESTOBSERVERvirtual nsresult OnStartRequest(nsIRequest *aRequest) override ; virtual nsresult OnStopRequest(nsIRequest *aRequest, nsresult aStatusCode) override; |
| 1199 | NS_DECL_NSIINTERFACEREQUESTORvirtual nsresult GetInterface(const nsIID & uuid, void * * result) override; |
| 1200 | NS_DECL_NSICHANNELEVENTSINKvirtual nsresult AsyncOnChannelRedirect(nsIChannel *oldChannel , nsIChannel *newChannel, uint32_t flags, nsIAsyncVerifyRedirectCallback *callback) override; |
| 1201 | |
| 1202 | nsresult CheckPreflightRequestApproved(nsIRequest* aRequest); |
| 1203 | |
| 1204 | private: |
| 1205 | ~nsCORSPreflightListener() = default; |
| 1206 | |
| 1207 | void AddResultToCache(nsIRequest* aRequest); |
| 1208 | |
| 1209 | nsCString mPreflightMethod; |
| 1210 | nsTArray<nsCString> mPreflightHeaders; |
| 1211 | nsCOMPtr<nsIPrincipal> mReferrerPrincipal; |
| 1212 | nsCOMPtr<nsICorsPreflightCallback> mCallback; |
| 1213 | nsCOMPtr<nsILoadContext> mLoadContext; |
| 1214 | bool mWithCredentials; |
| 1215 | }; |
| 1216 | |
| 1217 | NS_IMPL_ISUPPORTS(nsCORSPreflightListener, nsIStreamListener,MozExternalRefCountType nsCORSPreflightListener::AddRef(void) { static_assert(!std::is_destructible_v<nsCORSPreflightListener >, "Reference-counted class " "nsCORSPreflightListener" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 1219; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSPreflightListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsCORSPreflightListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsCORSPreflightListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSPreflightListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1219; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSPreflightListener" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "nsCORSPreflightListener"), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsCORSPreflightListener::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 1219 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSPreflightListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsCORSPreflightListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsCORSPreflightListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSPreflightListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1219; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSPreflightListener" " not thread-safe" ); const char* const nametmp = "nsCORSPreflightListener"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)) ; if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsCORSPreflightListener::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr )) { NS_DebugBreak(NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(4 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsCORSPreflightListener, nsIStreamListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIStreamListener *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIRequestObserver >, int32_t( reinterpret_cast<char*>(static_cast<nsIRequestObserver *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIInterfaceRequestor >, int32_t( reinterpret_cast<char*>(static_cast<nsIInterfaceRequestor *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIChannelEventSink >, int32_t( reinterpret_cast<char*>(static_cast<nsIChannelEventSink *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsISupports >, int32_t(reinterpret_cast<char*>(static_cast<nsISupports *>( static_cast<nsIStreamListener*>((nsCORSPreflightListener *)0x1000))) - reinterpret_cast<char*>((nsCORSPreflightListener *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 1218 | nsIRequestObserver, nsIInterfaceRequestor,MozExternalRefCountType nsCORSPreflightListener::AddRef(void) { static_assert(!std::is_destructible_v<nsCORSPreflightListener >, "Reference-counted class " "nsCORSPreflightListener" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 1219; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSPreflightListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsCORSPreflightListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsCORSPreflightListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSPreflightListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1219; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSPreflightListener" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "nsCORSPreflightListener"), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsCORSPreflightListener::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 1219 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSPreflightListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsCORSPreflightListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsCORSPreflightListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSPreflightListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1219; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSPreflightListener" " not thread-safe" ); const char* const nametmp = "nsCORSPreflightListener"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)) ; if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsCORSPreflightListener::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr )) { NS_DebugBreak(NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(4 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsCORSPreflightListener, nsIStreamListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIStreamListener *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIRequestObserver >, int32_t( reinterpret_cast<char*>(static_cast<nsIRequestObserver *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIInterfaceRequestor >, int32_t( reinterpret_cast<char*>(static_cast<nsIInterfaceRequestor *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIChannelEventSink >, int32_t( reinterpret_cast<char*>(static_cast<nsIChannelEventSink *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsISupports >, int32_t(reinterpret_cast<char*>(static_cast<nsISupports *>( static_cast<nsIStreamListener*>((nsCORSPreflightListener *)0x1000))) - reinterpret_cast<char*>((nsCORSPreflightListener *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 1219 | nsIChannelEventSink)MozExternalRefCountType nsCORSPreflightListener::AddRef(void) { static_assert(!std::is_destructible_v<nsCORSPreflightListener >, "Reference-counted class " "nsCORSPreflightListener" " 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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 1219; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSPreflightListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsCORSPreflightListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsCORSPreflightListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSPreflightListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1219; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSPreflightListener" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "nsCORSPreflightListener"), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsCORSPreflightListener::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" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 1219 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsCORSPreflightListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsCORSPreflightListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsCORSPreflightListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsCORSPreflightListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1219; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsCORSPreflightListener" " not thread-safe" ); const char* const nametmp = "nsCORSPreflightListener"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)) ; if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsCORSPreflightListener::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr )) { NS_DebugBreak(NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1219); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(4 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsCORSPreflightListener, nsIStreamListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIStreamListener *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIRequestObserver >, int32_t( reinterpret_cast<char*>(static_cast<nsIRequestObserver *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIInterfaceRequestor >, int32_t( reinterpret_cast<char*>(static_cast<nsIInterfaceRequestor *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsIChannelEventSink >, int32_t( reinterpret_cast<char*>(static_cast<nsIChannelEventSink *>((nsCORSPreflightListener*)0x1000)) - reinterpret_cast< char*>((nsCORSPreflightListener*)0x1000))}, {&mozilla:: detail::kImplementedIID<nsCORSPreflightListener, nsISupports >, int32_t(reinterpret_cast<char*>(static_cast<nsISupports *>( static_cast<nsIStreamListener*>((nsCORSPreflightListener *)0x1000))) - reinterpret_cast<char*>((nsCORSPreflightListener *)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface"); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID, aInstancePtr , table); return rv; } |
| 1220 | |
| 1221 | void nsCORSPreflightListener::AddResultToCache(nsIRequest* aRequest) { |
| 1222 | nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aRequest); |
| 1223 | NS_ASSERTION(http, "Request was not http")do { if (!(http)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Request was not http" , "http", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1223); MOZ_PretendNoReturn(); } } while (0); |
| 1224 | |
| 1225 | // The "Access-Control-Max-Age" header should return an age in seconds. |
| 1226 | nsAutoCString headerVal; |
| 1227 | uint32_t age = 0; |
| 1228 | Unused << http->GetResponseHeader("Access-Control-Max-Age"_ns, headerVal); |
| 1229 | if (headerVal.IsEmpty()) { |
| 1230 | age = PREFLIGHT_DEFAULT_EXPIRY_SECONDS5; |
| 1231 | } else { |
| 1232 | // Sanitize the string. We only allow 'delta-seconds' as specified by |
| 1233 | // http://dev.w3.org/2006/waf/access-control (digits 0-9 with no leading or |
| 1234 | // trailing non-whitespace characters). |
| 1235 | nsACString::const_char_iterator iter, end; |
| 1236 | headerVal.BeginReading(iter); |
| 1237 | headerVal.EndReading(end); |
| 1238 | while (iter != end) { |
| 1239 | if (*iter < '0' || *iter > '9') { |
| 1240 | return; |
| 1241 | } |
| 1242 | age = age * 10 + (*iter - '0'); |
| 1243 | // Cap at 24 hours. This also avoids overflow |
| 1244 | age = std::min(age, 86400U); |
| 1245 | ++iter; |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | if (!age || !EnsurePreflightCache()) { |
| 1250 | return; |
| 1251 | } |
| 1252 | |
| 1253 | // String seems fine, go ahead and cache. |
| 1254 | // Note that we have already checked that these headers follow the correct |
| 1255 | // syntax. |
| 1256 | |
| 1257 | nsCOMPtr<nsIURI> uri; |
| 1258 | NS_GetFinalChannelURI(http, getter_AddRefs(uri)); |
| 1259 | |
| 1260 | TimeStamp expirationTime = |
| 1261 | TimeStamp::NowLoRes() + TimeDuration::FromSeconds(age); |
| 1262 | |
| 1263 | OriginAttributes attrs; |
| 1264 | StoragePrincipalHelper::GetOriginAttributesForNetworkState(http, attrs); |
| 1265 | |
| 1266 | nsPreflightCache::CacheEntry* entry = sPreflightCache->GetEntry( |
| 1267 | uri, mReferrerPrincipal, mWithCredentials, attrs, true); |
| 1268 | if (!entry) { |
| 1269 | return; |
| 1270 | } |
| 1271 | |
| 1272 | // The "Access-Control-Allow-Methods" header contains a comma separated |
| 1273 | // list of method names. |
| 1274 | Unused << http->GetResponseHeader("Access-Control-Allow-Methods"_ns, |
| 1275 | headerVal); |
| 1276 | |
| 1277 | for (const nsACString& method : |
| 1278 | nsCCharSeparatedTokenizer(headerVal, ',').ToRange()) { |
| 1279 | if (method.IsEmpty()) { |
| 1280 | continue; |
| 1281 | } |
| 1282 | uint32_t i; |
| 1283 | for (i = 0; i < entry->mMethods.Length(); ++i) { |
| 1284 | if (entry->mMethods[i].token.Equals(method)) { |
| 1285 | entry->mMethods[i].expirationTime = expirationTime; |
| 1286 | break; |
| 1287 | } |
| 1288 | } |
| 1289 | if (i == entry->mMethods.Length()) { |
| 1290 | nsPreflightCache::TokenTime* newMethod = entry->mMethods.AppendElement(); |
| 1291 | if (!newMethod) { |
| 1292 | return; |
| 1293 | } |
| 1294 | |
| 1295 | newMethod->token = method; |
| 1296 | newMethod->expirationTime = expirationTime; |
| 1297 | } |
| 1298 | } |
| 1299 | |
| 1300 | // The "Access-Control-Allow-Headers" header contains a comma separated |
| 1301 | // list of method names. |
| 1302 | Unused << http->GetResponseHeader("Access-Control-Allow-Headers"_ns, |
| 1303 | headerVal); |
| 1304 | |
| 1305 | for (const nsACString& header : |
| 1306 | nsCCharSeparatedTokenizer(headerVal, ',').ToRange()) { |
| 1307 | if (header.IsEmpty()) { |
| 1308 | continue; |
| 1309 | } |
| 1310 | uint32_t i; |
| 1311 | for (i = 0; i < entry->mHeaders.Length(); ++i) { |
| 1312 | if (entry->mHeaders[i].token.Equals(header)) { |
| 1313 | entry->mHeaders[i].expirationTime = expirationTime; |
| 1314 | break; |
| 1315 | } |
| 1316 | } |
| 1317 | if (i == entry->mHeaders.Length()) { |
| 1318 | nsPreflightCache::TokenTime* newHeader = entry->mHeaders.AppendElement(); |
| 1319 | if (!newHeader) { |
| 1320 | return; |
| 1321 | } |
| 1322 | |
| 1323 | newHeader->token = header; |
| 1324 | newHeader->expirationTime = expirationTime; |
| 1325 | } |
| 1326 | } |
| 1327 | } |
| 1328 | |
| 1329 | NS_IMETHODIMPnsresult |
| 1330 | nsCORSPreflightListener::OnStartRequest(nsIRequest* aRequest) { |
| 1331 | #ifdef DEBUG1 |
| 1332 | { |
| 1333 | nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest); |
| 1334 | nsCOMPtr<nsILoadInfo> loadInfo = channel ? channel->LoadInfo() : nullptr; |
| 1335 | MOZ_ASSERT(!loadInfo || !loadInfo->GetServiceWorkerTaintingSynthesized())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!loadInfo || !loadInfo->GetServiceWorkerTaintingSynthesized ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!loadInfo || !loadInfo->GetServiceWorkerTaintingSynthesized ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!loadInfo || !loadInfo->GetServiceWorkerTaintingSynthesized()" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1335); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!loadInfo || !loadInfo->GetServiceWorkerTaintingSynthesized()" ")"); do { *((volatile int*)__null) = 1335; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1336 | } |
| 1337 | #endif |
| 1338 | |
| 1339 | nsresult rv = CheckPreflightRequestApproved(aRequest); |
| 1340 | |
| 1341 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1342 | // Everything worked, try to cache and then fire off the actual request. |
| 1343 | AddResultToCache(aRequest); |
| 1344 | |
| 1345 | mCallback->OnPreflightSucceeded(); |
| 1346 | } else { |
| 1347 | mCallback->OnPreflightFailed(rv); |
| 1348 | } |
| 1349 | |
| 1350 | return rv; |
| 1351 | } |
| 1352 | |
| 1353 | NS_IMETHODIMPnsresult |
| 1354 | nsCORSPreflightListener::OnStopRequest(nsIRequest* aRequest, nsresult aStatus) { |
| 1355 | mCallback = nullptr; |
| 1356 | return NS_OK; |
| 1357 | } |
| 1358 | |
| 1359 | /** nsIStreamListener methods **/ |
| 1360 | |
| 1361 | NS_IMETHODIMPnsresult |
| 1362 | nsCORSPreflightListener::OnDataAvailable(nsIRequest* aRequest, |
| 1363 | nsIInputStream* inStr, |
| 1364 | uint64_t sourceOffset, |
| 1365 | uint32_t count) { |
| 1366 | uint32_t totalRead; |
| 1367 | return inStr->ReadSegments(NS_DiscardSegment, nullptr, count, &totalRead); |
| 1368 | } |
| 1369 | |
| 1370 | NS_IMETHODIMPnsresult |
| 1371 | nsCORSPreflightListener::AsyncOnChannelRedirect( |
| 1372 | nsIChannel* aOldChannel, nsIChannel* aNewChannel, uint32_t aFlags, |
| 1373 | nsIAsyncVerifyRedirectCallback* callback) { |
| 1374 | // Only internal redirects allowed for now. |
| 1375 | if (!NS_IsInternalSameURIRedirect(aOldChannel, aNewChannel, aFlags) && |
| 1376 | !NS_IsHSTSUpgradeRedirect(aOldChannel, aNewChannel, aFlags)) { |
| 1377 | nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aOldChannel); |
| 1378 | LogBlockedRequest( |
| 1379 | aOldChannel, "CORSExternalRedirectNotAllowed", nullptr, |
| 1380 | nsILoadInfo::BLOCKING_REASON_CORSEXTERNALREDIRECTNOTALLOWED, |
| 1381 | httpChannel); |
| 1382 | return NS_ERROR_DOM_BAD_URI; |
| 1383 | } |
| 1384 | |
| 1385 | callback->OnRedirectVerifyCallback(NS_OK); |
| 1386 | return NS_OK; |
| 1387 | } |
| 1388 | |
| 1389 | nsresult nsCORSPreflightListener::CheckPreflightRequestApproved( |
| 1390 | nsIRequest* aRequest) { |
| 1391 | nsresult status; |
| 1392 | nsresult rv = aRequest->GetStatus(&status); |
| 1393 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1393); return rv; } } while (false); |
| 1394 | NS_ENSURE_SUCCESS(status, status)do { nsresult __rv = status; 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", "status", "status", static_cast< uint32_t>(__rv), name ? " (" : "", name ? name : "", name ? ")" : ""); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1394); return status; } } while (false); |
| 1395 | |
| 1396 | // Test that things worked on a HTTP level |
| 1397 | nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aRequest); |
| 1398 | nsCOMPtr<nsIHttpChannelInternal> internal = do_QueryInterface(aRequest); |
| 1399 | NS_ENSURE_STATE(internal)do { if ((__builtin_expect(!!(!(internal)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "internal" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1399); return NS_ERROR_UNEXPECTED; } } while (false); |
| 1400 | nsCOMPtr<nsIHttpChannel> parentHttpChannel = do_QueryInterface(mCallback); |
| 1401 | |
| 1402 | bool succeedded; |
| 1403 | rv = http->GetRequestSucceeded(&succeedded); |
| 1404 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0))) || !succeedded) { |
| 1405 | auto statusCode = GetStatusCodeAsString(http); |
| 1406 | LogBlockedRequest(aRequest, "CORSPreflightDidNotSucceed3", statusCode.get(), |
| 1407 | nsILoadInfo::BLOCKING_REASON_CORSPREFLIGHTDIDNOTSUCCEED, |
| 1408 | parentHttpChannel); |
| 1409 | return NS_ERROR_DOM_BAD_URI; |
| 1410 | } |
| 1411 | |
| 1412 | nsAutoCString headerVal; |
| 1413 | // The "Access-Control-Allow-Methods" header contains a comma separated |
| 1414 | // list of method names. |
| 1415 | Unused << http->GetResponseHeader("Access-Control-Allow-Methods"_ns, |
| 1416 | headerVal); |
| 1417 | bool foundMethod = mPreflightMethod.EqualsLiteral("GET") || |
| 1418 | mPreflightMethod.EqualsLiteral("HEAD") || |
| 1419 | mPreflightMethod.EqualsLiteral("POST"); |
| 1420 | for (const nsACString& method : |
| 1421 | nsCCharSeparatedTokenizer(headerVal, ',').ToRange()) { |
| 1422 | if (method.IsEmpty()) { |
| 1423 | continue; |
| 1424 | } |
| 1425 | if (!NS_IsValidHTTPToken(method)) { |
| 1426 | LogBlockedRequest(aRequest, "CORSInvalidAllowMethod", |
| 1427 | NS_ConvertUTF8toUTF16(method).get(), |
| 1428 | nsILoadInfo::BLOCKING_REASON_CORSINVALIDALLOWMETHOD, |
| 1429 | parentHttpChannel); |
| 1430 | return NS_ERROR_DOM_BAD_URI; |
| 1431 | } |
| 1432 | |
| 1433 | if (method.EqualsLiteral("*") && !mWithCredentials) { |
| 1434 | foundMethod = true; |
| 1435 | } else { |
| 1436 | foundMethod |= mPreflightMethod.Equals(method); |
| 1437 | } |
| 1438 | } |
| 1439 | if (!foundMethod) { |
| 1440 | LogBlockedRequest(aRequest, "CORSMethodNotFound", nullptr, |
| 1441 | nsILoadInfo::BLOCKING_REASON_CORSMETHODNOTFOUND, |
| 1442 | parentHttpChannel); |
| 1443 | return NS_ERROR_DOM_BAD_URI; |
| 1444 | } |
| 1445 | |
| 1446 | // The "Access-Control-Allow-Headers" header contains a comma separated |
| 1447 | // list of header names. |
| 1448 | Unused << http->GetResponseHeader("Access-Control-Allow-Headers"_ns, |
| 1449 | headerVal); |
| 1450 | nsTArray<nsCString> headers; |
| 1451 | bool wildcard = false; |
| 1452 | bool hasAuthorizationHeader = false; |
| 1453 | for (const nsACString& header : |
| 1454 | nsCCharSeparatedTokenizer(headerVal, ',').ToRange()) { |
| 1455 | if (header.IsEmpty()) { |
| 1456 | continue; |
| 1457 | } |
| 1458 | if (!NS_IsValidHTTPToken(header)) { |
| 1459 | LogBlockedRequest(aRequest, "CORSInvalidAllowHeader", |
| 1460 | NS_ConvertUTF8toUTF16(header).get(), |
| 1461 | nsILoadInfo::BLOCKING_REASON_CORSINVALIDALLOWHEADER, |
| 1462 | parentHttpChannel); |
| 1463 | return NS_ERROR_DOM_BAD_URI; |
| 1464 | } |
| 1465 | if (header.EqualsLiteral("*") && !mWithCredentials) { |
| 1466 | wildcard = true; |
| 1467 | } else { |
| 1468 | headers.AppendElement(header); |
| 1469 | } |
| 1470 | |
| 1471 | if (header.LowerCaseEqualsASCII("authorization")) { |
| 1472 | hasAuthorizationHeader = true; |
| 1473 | } |
| 1474 | } |
| 1475 | |
| 1476 | bool authorizationInPreflightHeaders = false; |
| 1477 | bool authorizationCoveredByWildcard = false; |
| 1478 | for (uint32_t i = 0; i < mPreflightHeaders.Length(); ++i) { |
| 1479 | // Cache the result of the authorization header. |
| 1480 | bool isAuthorization = |
| 1481 | mPreflightHeaders[i].LowerCaseEqualsASCII("authorization"); |
| 1482 | if (wildcard) { |
| 1483 | if (!isAuthorization) { |
| 1484 | continue; |
| 1485 | } else { |
| 1486 | authorizationInPreflightHeaders = true; |
| 1487 | if (StaticPrefs:: |
| 1488 | network_cors_preflight_authorization_covered_by_wildcard() && |
| 1489 | !hasAuthorizationHeader) { |
| 1490 | // When `Access-Control-Allow-Headers` is `*` and there is no |
| 1491 | // `Authorization` header listed, we send a deprecation warning to the |
| 1492 | // console. |
| 1493 | LogBlockedRequest(aRequest, "CORSAllowHeaderFromPreflightDeprecation", |
| 1494 | nullptr, 0, parentHttpChannel, true); |
| 1495 | glean::network::cors_authorization_header |
| 1496 | .Get("covered_by_wildcard"_ns) |
| 1497 | .Add(1); |
| 1498 | authorizationCoveredByWildcard = true; |
| 1499 | continue; |
| 1500 | } |
| 1501 | } |
| 1502 | } |
| 1503 | |
| 1504 | const auto& comparator = nsCaseInsensitiveCStringArrayComparator(); |
| 1505 | if (!headers.Contains(mPreflightHeaders[i], comparator)) { |
| 1506 | LogBlockedRequest( |
| 1507 | aRequest, "CORSMissingAllowHeaderFromPreflight2", |
| 1508 | NS_ConvertUTF8toUTF16(mPreflightHeaders[i]).get(), |
| 1509 | nsILoadInfo::BLOCKING_REASON_CORSMISSINGALLOWHEADERFROMPREFLIGHT, |
| 1510 | parentHttpChannel); |
| 1511 | if (isAuthorization) { |
| 1512 | glean::network::cors_authorization_header.Get("disallowed"_ns).Add(1); |
| 1513 | } |
| 1514 | return NS_ERROR_DOM_BAD_URI; |
| 1515 | } |
| 1516 | } |
| 1517 | |
| 1518 | if (authorizationInPreflightHeaders && !authorizationCoveredByWildcard) { |
| 1519 | glean::network::cors_authorization_header.Get("allowed"_ns).Add(1); |
| 1520 | } |
| 1521 | |
| 1522 | return NS_OK; |
| 1523 | } |
| 1524 | |
| 1525 | NS_IMETHODIMPnsresult |
| 1526 | nsCORSPreflightListener::GetInterface(const nsIID& aIID, void** aResult) { |
| 1527 | if (aIID.Equals(NS_GET_IID(nsILoadContext)(nsILoadContext::COMTypeInfo<nsILoadContext, void>::kIID )) && mLoadContext) { |
| 1528 | nsCOMPtr<nsILoadContext> copy = mLoadContext; |
| 1529 | copy.forget(aResult); |
| 1530 | return NS_OK; |
| 1531 | } |
| 1532 | |
| 1533 | return QueryInterface(aIID, aResult); |
| 1534 | } |
| 1535 | |
| 1536 | void nsCORSListenerProxy::RemoveFromCorsPreflightCache( |
| 1537 | nsIURI* aURI, nsIPrincipal* aRequestingPrincipal, |
| 1538 | const OriginAttributes& aOriginAttributes) { |
| 1539 | MOZ_ASSERT(XRE_IsParentProcess())do { static_assert( mozilla::detail::AssertionConditionType< decltype(XRE_IsParentProcess())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(XRE_IsParentProcess()))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("XRE_IsParentProcess()" , "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1539); AnnotateMozCrashReason("MOZ_ASSERT" "(" "XRE_IsParentProcess()" ")"); do { *((volatile int*)__null) = 1539; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1540 | if (sPreflightCache) { |
| 1541 | sPreflightCache->RemoveEntries(aURI, aRequestingPrincipal, |
| 1542 | aOriginAttributes); |
| 1543 | } |
| 1544 | } |
| 1545 | |
| 1546 | // static |
| 1547 | nsresult nsCORSListenerProxy::StartCORSPreflight( |
| 1548 | nsIChannel* aRequestChannel, nsICorsPreflightCallback* aCallback, |
| 1549 | nsTArray<nsCString>& aUnsafeHeaders, nsIChannel** aPreflightChannel) { |
| 1550 | *aPreflightChannel = nullptr; |
| 1551 | |
| 1552 | if (StaticPrefs::content_cors_disable()) { |
| 1553 | nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aRequestChannel); |
| 1554 | LogBlockedRequest(aRequestChannel, "CORSDisabled", nullptr, |
| 1555 | nsILoadInfo::BLOCKING_REASON_CORSDISABLED, http); |
| 1556 | return NS_ERROR_DOM_BAD_URI; |
| 1557 | } |
| 1558 | |
| 1559 | nsAutoCString method; |
| 1560 | nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequestChannel)); |
| 1561 | NS_ENSURE_TRUE(httpChannel, NS_ERROR_UNEXPECTED)do { if ((__builtin_expect(!!(!(httpChannel)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "httpChannel" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1561); return NS_ERROR_UNEXPECTED; } } while (false); |
| 1562 | Unused << httpChannel->GetRequestMethod(method); |
| 1563 | |
| 1564 | nsCOMPtr<nsIURI> uri; |
| 1565 | nsresult rv = NS_GetFinalChannelURI(aRequestChannel, getter_AddRefs(uri)); |
| 1566 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1566); return rv; } } while (false); |
| 1567 | |
| 1568 | nsCOMPtr<nsILoadInfo> originalLoadInfo = aRequestChannel->LoadInfo(); |
| 1569 | MOZ_ASSERT(originalLoadInfo->GetSecurityMode() ==do { static_assert( mozilla::detail::AssertionConditionType< decltype(originalLoadInfo->GetSecurityMode() == nsILoadInfo ::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(originalLoadInfo->GetSecurityMode () == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("originalLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT" " (" "how did we end up here?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1571); AnnotateMozCrashReason("MOZ_ASSERT" "(" "originalLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT" ") (" "how did we end up here?" ")"); do { *((volatile int*) __null) = 1571; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1570 | nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT,do { static_assert( mozilla::detail::AssertionConditionType< decltype(originalLoadInfo->GetSecurityMode() == nsILoadInfo ::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(originalLoadInfo->GetSecurityMode () == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("originalLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT" " (" "how did we end up here?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1571); AnnotateMozCrashReason("MOZ_ASSERT" "(" "originalLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT" ") (" "how did we end up here?" ")"); do { *((volatile int*) __null) = 1571; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1571 | "how did we end up here?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(originalLoadInfo->GetSecurityMode() == nsILoadInfo ::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(originalLoadInfo->GetSecurityMode () == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("originalLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT" " (" "how did we end up here?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1571); AnnotateMozCrashReason("MOZ_ASSERT" "(" "originalLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT" ") (" "how did we end up here?" ")"); do { *((volatile int*) __null) = 1571; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1572 | |
| 1573 | nsCOMPtr<nsIPrincipal> principal = originalLoadInfo->GetLoadingPrincipal(); |
| 1574 | MOZ_ASSERT(principal && originalLoadInfo->GetExternalContentPolicyType() !=do { static_assert( mozilla::detail::AssertionConditionType< decltype(principal && originalLoadInfo->GetExternalContentPolicyType () != ExtContentPolicy::TYPE_DOCUMENT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(principal && originalLoadInfo ->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" " (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1577); AnnotateMozCrashReason("MOZ_ASSERT" "(" "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" ") (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")"); do { *((volatile int*)__null) = 1577; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1575 | ExtContentPolicy::TYPE_DOCUMENT,do { static_assert( mozilla::detail::AssertionConditionType< decltype(principal && originalLoadInfo->GetExternalContentPolicyType () != ExtContentPolicy::TYPE_DOCUMENT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(principal && originalLoadInfo ->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" " (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1577); AnnotateMozCrashReason("MOZ_ASSERT" "(" "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" ") (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")"); do { *((volatile int*)__null) = 1577; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1576 | "Should not do CORS loads for top-level loads, so a "do { static_assert( mozilla::detail::AssertionConditionType< decltype(principal && originalLoadInfo->GetExternalContentPolicyType () != ExtContentPolicy::TYPE_DOCUMENT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(principal && originalLoadInfo ->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" " (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1577); AnnotateMozCrashReason("MOZ_ASSERT" "(" "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" ") (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")"); do { *((volatile int*)__null) = 1577; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1577 | "loadingPrincipal should always exist.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(principal && originalLoadInfo->GetExternalContentPolicyType () != ExtContentPolicy::TYPE_DOCUMENT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(principal && originalLoadInfo ->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" " (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1577); AnnotateMozCrashReason("MOZ_ASSERT" "(" "principal && originalLoadInfo->GetExternalContentPolicyType() != ExtContentPolicy::TYPE_DOCUMENT" ") (" "Should not do CORS loads for top-level loads, so a " "loadingPrincipal should always exist." ")"); do { *((volatile int*)__null) = 1577; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1578 | bool withCredentials = |
| 1579 | originalLoadInfo->GetCookiePolicy() == nsILoadInfo::SEC_COOKIES_INCLUDE; |
| 1580 | |
| 1581 | nsPreflightCache::CacheEntry* entry = nullptr; |
| 1582 | |
| 1583 | nsLoadFlags loadFlags; |
| 1584 | rv = aRequestChannel->GetLoadFlags(&loadFlags); |
| 1585 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1585); return rv; } } while (false); |
| 1586 | |
| 1587 | // Disable preflight cache if devtools says so or on other force reloads |
| 1588 | bool disableCache = (loadFlags & nsIRequest::LOAD_BYPASS_CACHE); |
| 1589 | |
| 1590 | if (sPreflightCache && !disableCache) { |
| 1591 | OriginAttributes attrs; |
| 1592 | StoragePrincipalHelper::GetOriginAttributesForNetworkState(aRequestChannel, |
| 1593 | attrs); |
| 1594 | entry = sPreflightCache->GetEntry(uri, principal, withCredentials, attrs, |
| 1595 | false); |
| 1596 | } |
| 1597 | |
| 1598 | if (entry && entry->CheckRequest(method, aUnsafeHeaders)) { |
| 1599 | aCallback->OnPreflightSucceeded(); |
| 1600 | return NS_OK; |
| 1601 | } |
| 1602 | |
| 1603 | // Either it wasn't cached or the cached result has expired. Build a |
| 1604 | // channel for the OPTIONS request. |
| 1605 | |
| 1606 | nsCOMPtr<nsILoadInfo> loadInfo = |
| 1607 | static_cast<mozilla::net::LoadInfo*>(originalLoadInfo.get()) |
| 1608 | ->CloneForNewRequest(); |
| 1609 | static_cast<mozilla::net::LoadInfo*>(loadInfo.get())->SetIsPreflight(); |
| 1610 | |
| 1611 | nsCOMPtr<nsILoadGroup> loadGroup; |
| 1612 | rv = aRequestChannel->GetLoadGroup(getter_AddRefs(loadGroup)); |
| 1613 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1613); return rv; } } while (false); |
| 1614 | |
| 1615 | // We want to give the preflight channel's notification callbacks the same |
| 1616 | // load context as the original channel's notification callbacks had. We |
| 1617 | // don't worry about a load context provided via the loadgroup here, since |
| 1618 | // they have the same loadgroup. |
| 1619 | nsCOMPtr<nsIInterfaceRequestor> callbacks; |
| 1620 | rv = aRequestChannel->GetNotificationCallbacks(getter_AddRefs(callbacks)); |
| 1621 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1621); return rv; } } while (false); |
| 1622 | nsCOMPtr<nsILoadContext> loadContext = do_GetInterface(callbacks); |
| 1623 | |
| 1624 | // Preflight requests should never be intercepted by service workers and |
| 1625 | // are always anonymous. |
| 1626 | // NOTE: We ignore CORS checks on synthesized responses (see the CORS |
| 1627 | // preflights, then we need to extend the GetResponseSynthesized() check in |
| 1628 | // nsCORSListenerProxy::CheckRequestApproved()). If we change our behavior |
| 1629 | // here and allow service workers to intercept CORS preflights, then that |
| 1630 | // check won't be safe any more. |
| 1631 | loadFlags |= |
| 1632 | nsIChannel::LOAD_BYPASS_SERVICE_WORKER | nsIRequest::LOAD_ANONYMOUS; |
| 1633 | |
| 1634 | if (StaticPrefs::network_cors_preflight_allow_client_cert()) { |
| 1635 | loadFlags |= nsIRequest::LOAD_ANONYMOUS_ALLOW_CLIENT_CERT; |
| 1636 | } |
| 1637 | |
| 1638 | nsCOMPtr<nsIChannel> preflightChannel; |
| 1639 | rv = NS_NewChannelInternal(getter_AddRefs(preflightChannel), uri, loadInfo, |
| 1640 | nullptr, // PerformanceStorage |
| 1641 | loadGroup, |
| 1642 | nullptr, // aCallbacks |
| 1643 | loadFlags); |
| 1644 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1644); return rv; } } while (false); |
| 1645 | |
| 1646 | // Set method and headers |
| 1647 | nsCOMPtr<nsIHttpChannel> preHttp = do_QueryInterface(preflightChannel); |
| 1648 | NS_ASSERTION(preHttp, "Failed to QI to nsIHttpChannel!")do { if (!(preHttp)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Failed to QI to nsIHttpChannel!" , "preHttp", "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1648); MOZ_PretendNoReturn(); } } while (0); |
| 1649 | |
| 1650 | rv = preHttp->SetRequestMethod("OPTIONS"_ns); |
| 1651 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1651); return rv; } } while (false); |
| 1652 | |
| 1653 | rv = preHttp->SetRequestHeader("Access-Control-Request-Method"_ns, method, |
| 1654 | false); |
| 1655 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1655); return rv; } } while (false); |
| 1656 | |
| 1657 | // Set the CORS preflight channel's warning reporter to be the same as the |
| 1658 | // requesting channel so that all log messages are able to be reported through |
| 1659 | // the warning reporter. |
| 1660 | RefPtr<nsHttpChannel> reqCh = do_QueryObject(aRequestChannel); |
| 1661 | RefPtr<nsHttpChannel> preCh = do_QueryObject(preHttp); |
| 1662 | if (preCh && reqCh) { // there are other implementers of nsIHttpChannel |
| 1663 | preCh->SetWarningReporter(reqCh->GetWarningReporter()); |
| 1664 | } |
| 1665 | |
| 1666 | nsTArray<nsCString> preflightHeaders; |
| 1667 | if (!aUnsafeHeaders.IsEmpty()) { |
| 1668 | for (uint32_t i = 0; i < aUnsafeHeaders.Length(); ++i) { |
| 1669 | preflightHeaders.AppendElement(); |
| 1670 | ToLowerCase(aUnsafeHeaders[i], preflightHeaders[i]); |
| 1671 | } |
| 1672 | preflightHeaders.Sort(); |
| 1673 | nsAutoCString headers; |
| 1674 | for (uint32_t i = 0; i < preflightHeaders.Length(); ++i) { |
| 1675 | if (i != 0) { |
| 1676 | headers += ','; |
| 1677 | } |
| 1678 | headers += preflightHeaders[i]; |
| 1679 | } |
| 1680 | rv = preHttp->SetRequestHeader("Access-Control-Request-Headers"_ns, headers, |
| 1681 | false); |
| 1682 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1682); return rv; } } while (false); |
| 1683 | } |
| 1684 | |
| 1685 | // Set up listener which will start the original channel |
| 1686 | RefPtr<nsCORSPreflightListener> preflightListener = |
| 1687 | new nsCORSPreflightListener(principal, aCallback, loadContext, |
| 1688 | withCredentials, method, preflightHeaders); |
| 1689 | |
| 1690 | rv = preflightChannel->SetNotificationCallbacks(preflightListener); |
| 1691 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1691); return rv; } } while (false); |
| 1692 | |
| 1693 | if (preCh && reqCh) { |
| 1694 | // Per https://fetch.spec.whatwg.org/#cors-preflight-fetch step 1, the |
| 1695 | // request's referrer and referrer policy should match the original request. |
| 1696 | nsCOMPtr<nsIReferrerInfo> referrerInfo; |
| 1697 | rv = reqCh->GetReferrerInfo(getter_AddRefs(referrerInfo)); |
| 1698 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1698); return rv; } } while (false); |
| 1699 | if (referrerInfo) { |
| 1700 | nsCOMPtr<nsIReferrerInfo> newReferrerInfo = |
| 1701 | static_cast<dom::ReferrerInfo*>(referrerInfo.get())->Clone(); |
| 1702 | rv = preCh->SetReferrerInfo(newReferrerInfo); |
| 1703 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1703); return rv; } } while (false); |
| 1704 | } |
| 1705 | } |
| 1706 | |
| 1707 | // Start preflight |
| 1708 | rv = preflightChannel->AsyncOpen(preflightListener); |
| 1709 | 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, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1709); return rv; } } while (false); |
| 1710 | |
| 1711 | // Return newly created preflight channel |
| 1712 | preflightChannel.forget(aPreflightChannel); |
| 1713 | |
| 1714 | return NS_OK; |
| 1715 | } |
| 1716 | |
| 1717 | // static |
| 1718 | void nsCORSListenerProxy::LogBlockedCORSRequest( |
| 1719 | uint64_t aInnerWindowID, bool aPrivateBrowsing, bool aFromChromeContext, |
| 1720 | const nsAString& aMessage, const nsACString& aCategory, bool aIsWarning) { |
| 1721 | nsresult rv = NS_OK; |
| 1722 | |
| 1723 | // Build the error object and log it to the console |
| 1724 | nsCOMPtr<nsIConsoleService> console( |
| 1725 | mozilla::components::Console::Service(&rv)); |
| 1726 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1727 | NS_WARNING("Failed to log blocked cross-site request (no console)")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request (no console)" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1727); |
| 1728 | return; |
| 1729 | } |
| 1730 | |
| 1731 | nsCOMPtr<nsIScriptError> scriptError = |
| 1732 | do_CreateInstance(NS_SCRIPTERROR_CONTRACTID"@mozilla.org/scripterror;1", &rv); |
| 1733 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1734 | NS_WARNING("Failed to log blocked cross-site request (no scriptError)")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request (no scriptError)" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1734); |
| 1735 | return; |
| 1736 | } |
| 1737 | |
| 1738 | uint32_t errorFlag = |
| 1739 | aIsWarning ? nsIScriptError::warningFlag : nsIScriptError::errorFlag; |
| 1740 | |
| 1741 | // query innerWindowID and log to web console, otherwise log to |
| 1742 | // the error to the browser console. |
| 1743 | if (aInnerWindowID > 0) { |
| 1744 | rv = scriptError->InitWithSanitizedSource(aMessage, |
| 1745 | ""_ns, // sourceName |
| 1746 | 0, // lineNumber |
| 1747 | 0, // columnNumber |
| 1748 | errorFlag, aCategory, |
| 1749 | aInnerWindowID); |
| 1750 | } else { |
| 1751 | rv = scriptError->Init(aMessage, |
| 1752 | ""_ns, // sourceName |
| 1753 | 0, // lineNumber |
| 1754 | 0, // columnNumber |
| 1755 | errorFlag, aCategory, aPrivateBrowsing, |
| 1756 | aFromChromeContext); // From chrome context |
| 1757 | } |
| 1758 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1759 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request (scriptError init failed)" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1760) |
| 1760 | "Failed to log blocked cross-site request (scriptError init failed)")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to log blocked cross-site request (scriptError init failed)" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/netwerk/protocol/http/nsCORSListenerProxy.cpp" , 1760); |
| 1761 | return; |
| 1762 | } |
| 1763 | console->LogMessage(scriptError); |
| 1764 | } |