| File: | var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp |
| Warning: | line 190, column 3 Value stored to 'result' 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 "Location.h" |
| 8 | #include "nsIScriptObjectPrincipal.h" |
| 9 | #include "nsIScriptContext.h" |
| 10 | #include "nsDocShellLoadState.h" |
| 11 | #include "nsIWebNavigation.h" |
| 12 | #include "nsIOService.h" |
| 13 | #include "nsIURL.h" |
| 14 | #include "nsIJARURI.h" |
| 15 | #include "nsIURIMutator.h" |
| 16 | #include "nsNetUtil.h" |
| 17 | #include "nsCOMPtr.h" |
| 18 | #include "nsEscape.h" |
| 19 | #include "nsPresContext.h" |
| 20 | #include "nsError.h" |
| 21 | #include "nsReadableUtils.h" |
| 22 | #include "nsJSUtils.h" |
| 23 | #include "nsContentUtils.h" |
| 24 | #include "nsDocShell.h" |
| 25 | #include "nsGlobalWindowOuter.h" |
| 26 | #include "nsPIDOMWindowInlines.h" |
| 27 | #include "mozilla/Likely.h" |
| 28 | #include "nsCycleCollectionParticipant.h" |
| 29 | #include "mozilla/BasePrincipal.h" |
| 30 | #include "mozilla/Components.h" |
| 31 | #include "mozilla/NullPrincipal.h" |
| 32 | #include "mozilla/ServoStyleConsts.h" |
| 33 | #include "mozilla/StaticPrefs_dom.h" |
| 34 | #include "mozilla/Unused.h" |
| 35 | #include "mozilla/dom/Document.h" |
| 36 | #include "mozilla/dom/DocumentInlines.h" |
| 37 | #include "mozilla/dom/FragmentDirective.h" |
| 38 | #include "mozilla/dom/LocationBinding.h" |
| 39 | #include "mozilla/dom/ScriptSettings.h" |
| 40 | #include "ReferrerInfo.h" |
| 41 | |
| 42 | namespace mozilla::dom { |
| 43 | |
| 44 | Location::Location(nsPIDOMWindowInner* aWindow) |
| 45 | : mCachedHash(VoidString()), mInnerWindow(aWindow) { |
| 46 | BrowsingContext* bc = GetBrowsingContext(); |
| 47 | if (bc) { |
| 48 | bc->LocationCreated(this); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | Location::~Location() { |
| 53 | if (isInList()) { |
| 54 | remove(); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | // QueryInterface implementation for Location |
| 59 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Location)nsresult Location::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/dom/base/Location.cpp" , 59); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; if (TopThreeWordsEquals( aIID, (nsXPCOMCycleCollectionParticipant ::COMTypeInfo<nsXPCOMCycleCollectionParticipant, void>:: kIID), (nsCycleCollectionISupports::COMTypeInfo<nsCycleCollectionISupports , void>::kIID)) && (LowWordEquals(aIID, (nsXPCOMCycleCollectionParticipant ::COMTypeInfo<nsXPCOMCycleCollectionParticipant, void>:: kIID)) || LowWordEquals(aIID, (nsCycleCollectionISupports::COMTypeInfo <nsCycleCollectionISupports, void>::kIID)))) { if (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::COMTypeInfo<nsXPCOMCycleCollectionParticipant , void>::kIID))) { *aInstancePtr = Location::cycleCollection ::GetParticipant(); return NS_OK; } if (LowWordEquals(aIID, ( nsCycleCollectionISupports::COMTypeInfo<nsCycleCollectionISupports , void>::kIID))) { *aInstancePtr = Location::cycleCollection ::Upcast(this); return NS_OK; } foundInterface = nullptr; } else |
| 60 | NS_WRAPPERCACHE_INTERFACE_MAP_ENTRYif (aIID.Equals((nsWrapperCache::COMTypeInfo<nsWrapperCache , void>::kIID))) { *aInstancePtr = static_cast<nsWrapperCache *>(this); return NS_OK; } else |
| 61 | NS_INTERFACE_MAP_ENTRY(nsISupports)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupports>)) foundInterface = static_cast <nsISupports*>(this); else |
| 62 | NS_INTERFACE_MAP_ENDfoundInterface = 0; nsresult status; if (!foundInterface) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aIID.Equals((nsISupports::COMTypeInfo<nsISupports , void>::kIID)))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aIID.Equals((nsISupports::COMTypeInfo <nsISupports, void>::kIID))))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 62); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" ")"); do { *((volatile int*)__null) = 62; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); status = NS_NOINTERFACE ; } else { (foundInterface)->AddRef(); status = NS_OK; } * aInstancePtr = foundInterface; return status; } |
| 63 | |
| 64 | NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Location, mInnerWindow)static_assert(std::is_base_of<nsWrapperCache, Location> ::value, "Class should inherit nsWrapperCache"); Location::cycleCollection Location::_cycleCollectorGlobal( nsCycleCollectionParticipant ::FlagMaybeSingleZoneJSHolder); void Location::cycleCollection ::Trace( void* p, const TraceCallbacks& aCallbacks, void* aClosure) { Location* tmp = DowncastCCParticipant<Location >(p); TraceWrapper(p, aCallbacks, aClosure); (void)tmp; } void Location::cycleCollection::TraceWrapper( void* p, const TraceCallbacks & aCallbacks, void* aClosure) { Location* tmp = DowncastCCParticipant <Location>(p); tmp->TraceWrapper(aCallbacks, aClosure ); } void Location::cycleCollection::Unlink(void* p) { Location * tmp = DowncastCCParticipant<Location>(p); ImplCycleCollectionUnlink (tmp->mInnerWindow); tmp->ReleaseWrapper(p); (void)tmp; } nsresult Location::cycleCollection::TraverseNative( void* p , nsCycleCollectionTraversalCallback& cb) { Location* tmp = DowncastCCParticipant<Location>(p); cb.DescribeRefCountedNode (tmp->mRefCnt.get(), "Location"); ImplCycleCollectionTraverse (cb, tmp->mInnerWindow, "mInnerWindow", 0); (void)tmp; return NS_OK; } |
| 65 | |
| 66 | NS_IMPL_CYCLE_COLLECTING_ADDREF(Location)MozExternalRefCountType Location::AddRef(void) { static_assert (!std::is_destructible_v<Location>, "Reference-counted class " "Location" " 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/dom/base/Location.cpp" , 66); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 66; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("Location" " not thread-safe" ); nsISupports* base = Location::cycleCollection::Upcast(this ); nsrefcnt count = mRefCnt.incr(base); NS_LogAddRef((this), ( count), ("Location"), (uint32_t)(sizeof(*this))); return count ; } |
| 67 | NS_IMPL_CYCLE_COLLECTING_RELEASE(Location)MozExternalRefCountType Location::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/dom/base/Location.cpp" , 67); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 67 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("Location" " not thread-safe" ); nsISupports* base = Location::cycleCollection::Upcast(this ); nsrefcnt count = mRefCnt.decr(base); NS_LogRelease((this), (count), ("Location")); return count; } void Location::DeleteCycleCollectable (void) { delete (this); } |
| 68 | |
| 69 | BrowsingContext* Location::GetBrowsingContext() { |
| 70 | return mInnerWindow ? mInnerWindow->GetBrowsingContext() : nullptr; |
| 71 | } |
| 72 | |
| 73 | nsIDocShell* Location::GetDocShell() { |
| 74 | if (BrowsingContext* bc = GetBrowsingContext()) { |
| 75 | return bc->GetDocShell(); |
| 76 | } |
| 77 | return nullptr; |
| 78 | } |
| 79 | |
| 80 | nsresult Location::GetURI(nsIURI** aURI, bool aGetInnermostURI) { |
| 81 | *aURI = nullptr; |
| 82 | |
| 83 | nsIDocShell* docShell = GetDocShell(); |
| 84 | if (!docShell) { |
| 85 | return NS_OK; |
| 86 | } |
| 87 | |
| 88 | nsIWebNavigation* webNav = nsDocShell::Cast(docShell); |
| 89 | |
| 90 | nsCOMPtr<nsIURI> uri; |
| 91 | nsresult rv = webNav->GetCurrentURI(getter_AddRefs(uri)); |
| 92 | 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/dom/base/Location.cpp" , 92); return rv; } } while (false); |
| 93 | |
| 94 | // It is valid for docshell to return a null URI. Don't try to fixup |
| 95 | // if this happens. |
| 96 | if (!uri) { |
| 97 | return NS_OK; |
| 98 | } |
| 99 | |
| 100 | if (aGetInnermostURI) { |
| 101 | nsCOMPtr<nsIJARURI> jarURI(do_QueryInterface(uri)); |
| 102 | while (jarURI) { |
| 103 | jarURI->GetJARFile(getter_AddRefs(uri)); |
| 104 | jarURI = do_QueryInterface(uri); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | NS_ASSERTION(uri, "nsJARURI screwed up?")do { if (!(uri)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "nsJARURI screwed up?" , "uri", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 108); MOZ_PretendNoReturn(); } } while (0); |
| 109 | |
| 110 | // Remove the fragment directive from the url hash. |
| 111 | FragmentDirective::ParseAndRemoveFragmentDirectiveFromFragment(uri); |
| 112 | nsCOMPtr<nsIURI> exposableURI = net::nsIOService::CreateExposableURI(uri); |
| 113 | exposableURI.forget(aURI); |
| 114 | return NS_OK; |
| 115 | } |
| 116 | |
| 117 | void Location::GetHash(nsAString& aHash, nsIPrincipal& aSubjectPrincipal, |
| 118 | ErrorResult& aRv) { |
| 119 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 120 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 121 | return; |
| 122 | } |
| 123 | |
| 124 | if (!mCachedHash.IsVoid()) { |
| 125 | aHash = mCachedHash; |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | aHash.SetLength(0); |
| 130 | |
| 131 | nsCOMPtr<nsIURI> uri; |
| 132 | aRv = GetURI(getter_AddRefs(uri)); |
| 133 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 133) || !uri) { |
| 134 | return; |
| 135 | } |
| 136 | |
| 137 | nsAutoCString ref; |
| 138 | |
| 139 | aRv = uri->GetRef(ref); |
| 140 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 140)) { |
| 141 | return; |
| 142 | } |
| 143 | |
| 144 | if (!ref.IsEmpty()) { |
| 145 | aHash.Assign(char16_t('#')); |
| 146 | AppendUTF8toUTF16(ref, aHash); |
| 147 | } |
| 148 | |
| 149 | mCachedHash = aHash; |
| 150 | } |
| 151 | |
| 152 | void Location::SetHash(const nsAString& aHash, nsIPrincipal& aSubjectPrincipal, |
| 153 | ErrorResult& aRv) { |
| 154 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 155 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | NS_ConvertUTF16toUTF8 hash(aHash); |
| 160 | if (hash.IsEmpty() || hash.First() != char16_t('#')) { |
| 161 | hash.Insert(char16_t('#'), 0); |
| 162 | } |
| 163 | |
| 164 | nsCOMPtr<nsIURI> uri; |
| 165 | aRv = GetURI(getter_AddRefs(uri)); |
| 166 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 166) || !uri) { |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | aRv = NS_MutateURI(uri).SetRef(hash).Finalize(uri); |
| 171 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 171) || !uri) { |
| 172 | return; |
| 173 | } |
| 174 | |
| 175 | SetURI(uri, aSubjectPrincipal, aRv); |
| 176 | } |
| 177 | |
| 178 | void Location::GetHost(nsAString& aHost, nsIPrincipal& aSubjectPrincipal, |
| 179 | ErrorResult& aRv) { |
| 180 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 181 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 182 | return; |
| 183 | } |
| 184 | |
| 185 | aHost.Truncate(); |
| 186 | |
| 187 | nsCOMPtr<nsIURI> uri; |
| 188 | nsresult result; |
| 189 | |
| 190 | result = GetURI(getter_AddRefs(uri), true); |
Value stored to 'result' is never read | |
| 191 | |
| 192 | if (uri) { |
| 193 | nsAutoCString hostport; |
| 194 | |
| 195 | result = uri->GetHostPort(hostport); |
| 196 | |
| 197 | if (NS_SUCCEEDED(result)((bool)(__builtin_expect(!!(!NS_FAILED_impl(result)), 1)))) { |
| 198 | AppendUTF8toUTF16(hostport, aHost); |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | void Location::SetHost(const nsAString& aHost, nsIPrincipal& aSubjectPrincipal, |
| 204 | ErrorResult& aRv) { |
| 205 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 206 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 207 | return; |
| 208 | } |
| 209 | |
| 210 | nsCOMPtr<nsIURI> uri; |
| 211 | aRv = GetURI(getter_AddRefs(uri)); |
| 212 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 212) || !uri) { |
| 213 | return; |
| 214 | } |
| 215 | |
| 216 | aRv = |
| 217 | NS_MutateURI(uri).SetHostPort(NS_ConvertUTF16toUTF8(aHost)).Finalize(uri); |
| 218 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 218)) { |
| 219 | return; |
| 220 | } |
| 221 | |
| 222 | SetURI(uri, aSubjectPrincipal, aRv); |
| 223 | } |
| 224 | |
| 225 | void Location::GetHostname(nsAString& aHostname, |
| 226 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 227 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 228 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 229 | return; |
| 230 | } |
| 231 | |
| 232 | aHostname.Truncate(); |
| 233 | |
| 234 | nsCOMPtr<nsIURI> uri; |
| 235 | GetURI(getter_AddRefs(uri), true); |
| 236 | if (uri) { |
| 237 | nsContentUtils::GetHostOrIPv6WithBrackets(uri, aHostname); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | void Location::SetHostname(const nsAString& aHostname, |
| 242 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 243 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 244 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 245 | return; |
| 246 | } |
| 247 | |
| 248 | nsCOMPtr<nsIURI> uri; |
| 249 | aRv = GetURI(getter_AddRefs(uri)); |
| 250 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 250) || !uri) { |
| 251 | return; |
| 252 | } |
| 253 | |
| 254 | aRv = |
| 255 | NS_MutateURI(uri).SetHost(NS_ConvertUTF16toUTF8(aHostname)).Finalize(uri); |
| 256 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 256)) { |
| 257 | return; |
| 258 | } |
| 259 | |
| 260 | SetURI(uri, aSubjectPrincipal, aRv); |
| 261 | } |
| 262 | |
| 263 | nsresult Location::GetHref(nsAString& aHref) { |
| 264 | aHref.Truncate(); |
| 265 | |
| 266 | nsCOMPtr<nsIURI> uri; |
| 267 | nsresult rv = GetURI(getter_AddRefs(uri)); |
| 268 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 268) || !uri) { |
| 269 | return rv; |
| 270 | } |
| 271 | |
| 272 | nsAutoCString uriString; |
| 273 | rv = uri->GetSpec(uriString); |
| 274 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 274)) { |
| 275 | return rv; |
| 276 | } |
| 277 | |
| 278 | AppendUTF8toUTF16(uriString, aHref); |
| 279 | return NS_OK; |
| 280 | } |
| 281 | |
| 282 | void Location::GetOrigin(nsAString& aOrigin, nsIPrincipal& aSubjectPrincipal, |
| 283 | ErrorResult& aRv) { |
| 284 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 285 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 286 | return; |
| 287 | } |
| 288 | |
| 289 | aOrigin.Truncate(); |
| 290 | |
| 291 | nsCOMPtr<nsIURI> uri; |
| 292 | aRv = GetURI(getter_AddRefs(uri), true); |
| 293 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 293) || !uri) { |
| 294 | return; |
| 295 | } |
| 296 | |
| 297 | nsAutoString origin; |
| 298 | aRv = nsContentUtils::GetWebExposedOriginSerialization(uri, origin); |
| 299 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 299)) { |
| 300 | return; |
| 301 | } |
| 302 | |
| 303 | aOrigin = origin; |
| 304 | } |
| 305 | |
| 306 | void Location::GetPathname(nsAString& aPathname, |
| 307 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 308 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 309 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 310 | return; |
| 311 | } |
| 312 | |
| 313 | aPathname.Truncate(); |
| 314 | |
| 315 | nsCOMPtr<nsIURI> uri; |
| 316 | aRv = GetURI(getter_AddRefs(uri)); |
| 317 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 317) || !uri) { |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | nsAutoCString file; |
| 322 | |
| 323 | aRv = uri->GetFilePath(file); |
| 324 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 324)) { |
| 325 | return; |
| 326 | } |
| 327 | |
| 328 | AppendUTF8toUTF16(file, aPathname); |
| 329 | } |
| 330 | |
| 331 | void Location::SetPathname(const nsAString& aPathname, |
| 332 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 333 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 334 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 335 | return; |
| 336 | } |
| 337 | |
| 338 | nsCOMPtr<nsIURI> uri; |
| 339 | aRv = GetURI(getter_AddRefs(uri)); |
| 340 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 340) || !uri) { |
| 341 | return; |
| 342 | } |
| 343 | |
| 344 | nsresult rv = NS_MutateURI(uri) |
| 345 | .SetFilePath(NS_ConvertUTF16toUTF8(aPathname)) |
| 346 | .Finalize(uri); |
| 347 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | SetURI(uri, aSubjectPrincipal, aRv); |
| 352 | } |
| 353 | |
| 354 | void Location::GetPort(nsAString& aPort, nsIPrincipal& aSubjectPrincipal, |
| 355 | ErrorResult& aRv) { |
| 356 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 357 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 358 | return; |
| 359 | } |
| 360 | |
| 361 | aPort.SetLength(0); |
| 362 | |
| 363 | nsCOMPtr<nsIURI> uri; |
| 364 | aRv = GetURI(getter_AddRefs(uri), true); |
| 365 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 365) || !uri) { |
| 366 | return; |
| 367 | } |
| 368 | |
| 369 | int32_t port; |
| 370 | nsresult result = uri->GetPort(&port); |
| 371 | |
| 372 | // Don't propagate this exception to caller |
| 373 | if (NS_SUCCEEDED(result)((bool)(__builtin_expect(!!(!NS_FAILED_impl(result)), 1))) && -1 != port) { |
| 374 | nsAutoString portStr; |
| 375 | portStr.AppendInt(port); |
| 376 | aPort.Append(portStr); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | void Location::SetPort(const nsAString& aPort, nsIPrincipal& aSubjectPrincipal, |
| 381 | ErrorResult& aRv) { |
| 382 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 383 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 384 | return; |
| 385 | } |
| 386 | |
| 387 | nsCOMPtr<nsIURI> uri; |
| 388 | aRv = GetURI(getter_AddRefs(uri)); |
| 389 | if (NS_WARN_IF(aRv.Failed() || !uri)NS_warn_if_impl(aRv.Failed() || !uri, "aRv.Failed() || !uri", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 389)) { |
| 390 | return; |
| 391 | } |
| 392 | |
| 393 | // perhaps use nsReadingIterators at some point? |
| 394 | NS_ConvertUTF16toUTF8 portStr(aPort); |
| 395 | const char* buf = portStr.get(); |
| 396 | int32_t port = -1; |
| 397 | |
| 398 | if (!portStr.IsEmpty() && buf) { |
| 399 | if (*buf == ':') { |
| 400 | port = atol(buf + 1); |
| 401 | } else { |
| 402 | port = atol(buf); |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | aRv = NS_MutateURI(uri).SetPort(port).Finalize(uri); |
| 407 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 407)) { |
| 408 | return; |
| 409 | } |
| 410 | |
| 411 | SetURI(uri, aSubjectPrincipal, aRv); |
| 412 | } |
| 413 | |
| 414 | void Location::GetProtocol(nsAString& aProtocol, |
| 415 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 416 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 417 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 418 | return; |
| 419 | } |
| 420 | |
| 421 | aProtocol.SetLength(0); |
| 422 | |
| 423 | nsCOMPtr<nsIURI> uri; |
| 424 | aRv = GetURI(getter_AddRefs(uri)); |
| 425 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 425) || !uri) { |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | nsAutoCString protocol; |
| 430 | |
| 431 | aRv = uri->GetScheme(protocol); |
| 432 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 432)) { |
| 433 | return; |
| 434 | } |
| 435 | |
| 436 | CopyASCIItoUTF16(protocol, aProtocol); |
| 437 | aProtocol.Append(char16_t(':')); |
| 438 | } |
| 439 | |
| 440 | void Location::SetProtocol(const nsAString& aProtocol, |
| 441 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 442 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 443 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 444 | return; |
| 445 | } |
| 446 | |
| 447 | nsCOMPtr<nsIURI> uri; |
| 448 | aRv = GetURI(getter_AddRefs(uri)); |
| 449 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 449) || !uri) { |
| 450 | return; |
| 451 | } |
| 452 | |
| 453 | nsAString::const_iterator start, end; |
| 454 | aProtocol.BeginReading(start); |
| 455 | aProtocol.EndReading(end); |
| 456 | nsAString::const_iterator iter(start); |
| 457 | Unused << FindCharInReadable(':', iter, end); |
| 458 | |
| 459 | nsresult rv = NS_MutateURI(uri) |
| 460 | .SetScheme(NS_ConvertUTF16toUTF8(Substring(start, iter))) |
| 461 | .Finalize(uri); |
| 462 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 462)) { |
| 463 | // Oh, I wish nsStandardURL returned NS_ERROR_MALFORMED_URI for _all_ the |
| 464 | // malformed cases, not just some of them! |
| 465 | aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR); |
| 466 | return; |
| 467 | } |
| 468 | |
| 469 | nsAutoCString newSpec; |
| 470 | aRv = uri->GetSpec(newSpec); |
| 471 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 471)) { |
| 472 | return; |
| 473 | } |
| 474 | // We may want a new URI class for the new URI, so recreate it: |
| 475 | rv = NS_NewURI(getter_AddRefs(uri), newSpec); |
| 476 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 477 | if (rv == NS_ERROR_MALFORMED_URI) { |
| 478 | rv = NS_ERROR_DOM_SYNTAX_ERR; |
| 479 | } |
| 480 | |
| 481 | aRv.Throw(rv); |
| 482 | return; |
| 483 | } |
| 484 | |
| 485 | if (!uri->SchemeIs("http") && !uri->SchemeIs("https")) { |
| 486 | // No-op, per spec. |
| 487 | return; |
| 488 | } |
| 489 | |
| 490 | SetURI(uri, aSubjectPrincipal, aRv); |
| 491 | } |
| 492 | |
| 493 | void Location::GetSearch(nsAString& aSearch, nsIPrincipal& aSubjectPrincipal, |
| 494 | ErrorResult& aRv) { |
| 495 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 496 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 497 | return; |
| 498 | } |
| 499 | |
| 500 | aSearch.SetLength(0); |
| 501 | |
| 502 | nsCOMPtr<nsIURI> uri; |
| 503 | nsresult result = NS_OK; |
| 504 | |
| 505 | result = GetURI(getter_AddRefs(uri)); |
| 506 | |
| 507 | nsCOMPtr<nsIURL> url(do_QueryInterface(uri)); |
| 508 | |
| 509 | if (url) { |
| 510 | nsAutoCString search; |
| 511 | |
| 512 | result = url->GetQuery(search); |
| 513 | |
| 514 | if (NS_SUCCEEDED(result)((bool)(__builtin_expect(!!(!NS_FAILED_impl(result)), 1))) && !search.IsEmpty()) { |
| 515 | aSearch.Assign(char16_t('?')); |
| 516 | AppendUTF8toUTF16(search, aSearch); |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | void Location::SetSearch(const nsAString& aSearch, |
| 522 | nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) { |
| 523 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 524 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 525 | return; |
| 526 | } |
| 527 | |
| 528 | nsCOMPtr<nsIURI> uri; |
| 529 | aRv = GetURI(getter_AddRefs(uri)); |
| 530 | nsCOMPtr<nsIURL> url(do_QueryInterface(uri)); |
| 531 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 531) || !url) { |
| 532 | return; |
| 533 | } |
| 534 | |
| 535 | aRv = |
| 536 | NS_MutateURI(uri).SetQuery(NS_ConvertUTF16toUTF8(aSearch)).Finalize(uri); |
| 537 | if (NS_WARN_IF(aRv.Failed())NS_warn_if_impl(aRv.Failed(), "aRv.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 537)) { |
| 538 | return; |
| 539 | } |
| 540 | |
| 541 | SetURI(uri, aSubjectPrincipal, aRv); |
| 542 | } |
| 543 | |
| 544 | void Location::Reload(bool aForceget, nsIPrincipal& aSubjectPrincipal, |
| 545 | ErrorResult& aRv) { |
| 546 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 547 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 548 | return; |
| 549 | } |
| 550 | |
| 551 | RefPtr<nsDocShell> docShell(nsDocShell::Cast(GetDocShell())); |
| 552 | if (!docShell) { |
| 553 | return aRv.Throw(NS_ERROR_FAILURE); |
| 554 | } |
| 555 | |
| 556 | RefPtr<BrowsingContext> bc = GetBrowsingContext(); |
| 557 | if (!bc || bc->IsDiscarded()) { |
| 558 | return; |
| 559 | } |
| 560 | |
| 561 | CallerType callerType = aSubjectPrincipal.IsSystemPrincipal() |
| 562 | ? CallerType::System |
| 563 | : CallerType::NonSystem; |
| 564 | |
| 565 | nsresult rv = bc->CheckLocationChangeRateLimit(callerType); |
| 566 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 567 | aRv.Throw(rv); |
| 568 | return; |
| 569 | } |
| 570 | |
| 571 | uint32_t reloadFlags = nsIWebNavigation::LOAD_FLAGS_NONE; |
| 572 | |
| 573 | if (aForceget) { |
| 574 | reloadFlags = nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | |
| 575 | nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY; |
| 576 | } |
| 577 | |
| 578 | rv = docShell->Reload(reloadFlags); |
| 579 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0))) && rv != NS_BINDING_ABORTED) { |
| 580 | // NS_BINDING_ABORTED is returned when we attempt to reload a POST result |
| 581 | // and the user says no at the "do you want to reload?" prompt. Don't |
| 582 | // propagate this one back to callers. |
| 583 | return aRv.Throw(rv); |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | void Location::Assign(const nsAString& aUrl, nsIPrincipal& aSubjectPrincipal, |
| 588 | ErrorResult& aRv) { |
| 589 | if (!CallerSubsumes(&aSubjectPrincipal)) { |
| 590 | aRv.Throw(NS_ERROR_DOM_SECURITY_ERR); |
| 591 | return; |
| 592 | } |
| 593 | |
| 594 | DoSetHref(aUrl, aSubjectPrincipal, false, aRv); |
| 595 | } |
| 596 | |
| 597 | bool Location::CallerSubsumes(nsIPrincipal* aSubjectPrincipal) { |
| 598 | MOZ_ASSERT(aSubjectPrincipal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSubjectPrincipal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aSubjectPrincipal))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aSubjectPrincipal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 598); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSubjectPrincipal" ")"); do { *((volatile int*)__null) = 598; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 599 | |
| 600 | BrowsingContext* bc = GetBrowsingContext(); |
| 601 | if (MOZ_UNLIKELY(!bc)(__builtin_expect(!!(!bc), 0)) || MOZ_UNLIKELY(bc->IsDiscarded())(__builtin_expect(!!(bc->IsDiscarded()), 0))) { |
| 602 | // Per spec, operations on a Location object with a discarded BC are no-ops, |
| 603 | // not security errors, so we need to return true from the access check and |
| 604 | // let the caller do its own discarded docShell check. |
| 605 | return true; |
| 606 | } |
| 607 | if (MOZ_UNLIKELY(!bc->IsInProcess())(__builtin_expect(!!(!bc->IsInProcess()), 0))) { |
| 608 | return false; |
| 609 | } |
| 610 | |
| 611 | // Get the principal associated with the location object. Note that this is |
| 612 | // the principal of the page which will actually be navigated, not the |
| 613 | // principal of the Location object itself. This is why we need this check |
| 614 | // even though we only allow limited cross-origin access to Location objects |
| 615 | // in general. |
| 616 | nsPIDOMWindowOuter* outer = bc->GetDOMWindow(); |
| 617 | MOZ_DIAGNOSTIC_ASSERT(outer)do { static_assert( mozilla::detail::AssertionConditionType< decltype(outer)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(outer))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("outer", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/Location.cpp" , 617); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "outer" ")"); do { *((volatile int*)__null) = 617; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 618 | if (MOZ_UNLIKELY(!outer)(__builtin_expect(!!(!outer), 0))) return false; |
| 619 | |
| 620 | nsIScriptObjectPrincipal* sop = nsGlobalWindowOuter::Cast(outer); |
| 621 | bool subsumes = false; |
| 622 | nsresult rv = aSubjectPrincipal->SubsumesConsideringDomain( |
| 623 | sop->GetPrincipal(), &subsumes); |
| 624 | 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/dom/base/Location.cpp" , 624); return false; } } while (false); |
| 625 | return subsumes; |
| 626 | } |
| 627 | |
| 628 | JSObject* Location::WrapObject(JSContext* aCx, |
| 629 | JS::Handle<JSObject*> aGivenProto) { |
| 630 | return Location_Binding::Wrap(aCx, this, aGivenProto); |
| 631 | } |
| 632 | |
| 633 | void Location::ClearCachedValues() { mCachedHash = VoidString(); } |
| 634 | |
| 635 | } // namespace mozilla::dom |