/*static*/ already_AddRefed<Response>
Response::Constructor(const GlobalObject& aGlobal,
const Optional<Nullable<fetch::ResponseBodyInit>>& aBody,
const ResponseInit& aInit, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (aInit.mStatus < 200 || aInit.mStatus > 599) {
aRv.ThrowRangeError<MSG_INVALID_RESPONSE_STATUSCODE_ERROR>();
return nullptr;
}
// Check if the status text contains illegal characters
nsACString::const_iterator start, end;
aInit.mStatusText.BeginReading(start);
aInit.mStatusText.EndReading(end);
if (FindCharInReadable('\r', start, end)) {
aRv.ThrowTypeError<MSG_RESPONSE_INVALID_STATUSTEXT_ERROR>();
return nullptr;
}
// Reset iterator since FindCharInReadable advances it.
aInit.mStatusText.BeginReading(start);
if (FindCharInReadable('\n', start, end)) {
aRv.ThrowTypeError<MSG_RESPONSE_INVALID_STATUSTEXT_ERROR>();
return nullptr;
}
RefPtr<InternalResponse> internalResponse =
new InternalResponse(aInit.mStatus, aInit.mStatusText);
// Grab a valid channel info from the global so this response is 'valid' for
// interception.
if (NS_IsMainThread()) {
ChannelInfo info;
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(global);
if (window) {
nsIDocument* doc = window->GetExtantDoc();
MOZ_ASSERT(doc);
info.InitFromDocument(doc);
} else {
info.InitFromChromeGlobal(global);
}
internalResponse->InitChannelInfo(info);
} else {
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
internalResponse->InitChannelInfo(worker->GetChannelInfo());
}
RefPtr<Response> r = new Response(global, internalResponse, nullptr);
if (aInit.mHeaders.WasPassed()) {
internalResponse->Headers()->Clear();
// Instead of using Fill, create an object to allow the constructor to
// unwrap the HeadersInit.
RefPtr<Headers> headers =
Headers::Create(global, aInit.mHeaders.Value(), aRv);
if (aRv.Failed()) {
return nullptr;
}
internalResponse->Headers()->Fill(*headers->GetInternalHeaders(), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
if (aBody.WasPassed() && !aBody.Value().IsNull()) {
if (aInit.mStatus == 204 || aInit.mStatus == 205 || aInit.mStatus == 304) {
aRv.ThrowTypeError<MSG_RESPONSE_NULL_STATUS_WITH_BODY>();
return nullptr;
}
nsCString contentTypeWithCharset;
nsCOMPtr<nsIInputStream> bodyStream;
int64_t bodySize = InternalResponse::UNKNOWN_BODY_SIZE;
const fetch::ResponseBodyInit& body = aBody.Value().Value();
if (body.IsReadableStream()) {
aRv.MightThrowJSException();
JSContext* cx = aGlobal.Context();
const ReadableStream& readableStream = body.GetAsReadableStream();
JS::Rooted<JSObject*> readableStreamObj(cx, readableStream.Obj());
bool disturbed;
bool locked;
if (!JS::ReadableStreamIsDisturbed(cx, readableStreamObj, &disturbed) ||
!JS::ReadableStreamIsLocked(cx, readableStreamObj, &locked)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
if (disturbed || locked) {
aRv.ThrowTypeError<MSG_FETCH_BODY_CONSUMED_ERROR>();
return nullptr;
}
r->SetReadableStreamBody(cx, readableStreamObj);
JS::ReadableStreamMode streamMode;
if (!JS::ReadableStreamGetMode(cx, readableStreamObj, &streamMode)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
if (streamMode == JS::ReadableStreamMode::ExternalSource) {
// If this is a DOM generated ReadableStream, we can extract the
// inputStream directly.
void* underlyingSource = nullptr;
if (!JS::ReadableStreamGetExternalUnderlyingSource(cx,
readableStreamObj,
&underlyingSource)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
MOZ_ASSERT(underlyingSource);
aRv = FetchStream::RetrieveInputStream(underlyingSource,
getter_AddRefs(bodyStream));
// The releasing of the external source is needed in order to avoid an
// extra stream lock.
if (!JS::ReadableStreamReleaseExternalUnderlyingSource(cx, readableStreamObj)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
} else {
// If this is a JS-created ReadableStream, let's create a
// FetchStreamReader.
aRv = FetchStreamReader::Create(aGlobal.Context(), global,
getter_AddRefs(r->mFetchStreamReader),
getter_AddRefs(bodyStream));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
} else {
uint64_t size = 0;
aRv = ExtractByteStreamFromBody(body,
getter_AddRefs(bodyStream),
contentTypeWithCharset,
size);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
bodySize = size;
}
internalResponse->SetBody(bodyStream, bodySize);
if (!contentTypeWithCharset.IsVoid() &&
!internalResponse->Headers()->Has(NS_LITERAL_CSTRING("Content-Type"),
aRv)) {
// Ignore Append() failing here.
ErrorResult error;
internalResponse->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"),
contentTypeWithCharset, error);
error.SuppressException();
}
if (aRv.Failed()) {
return nullptr;
}
}
r->SetMimeType();
return r.forget();
}
// Automatically import functions in Module \p DestModule based on the summaries
// index.
//
bool FunctionImporter::importFunctions(
Module &DestModule, const FunctionImporter::ImportMapTy &ImportList) {
DEBUG(dbgs() << "Starting import for Module "
<< DestModule.getModuleIdentifier() << "\n");
unsigned ImportedCount = 0;
// Linker that will be used for importing function
Linker TheLinker(DestModule);
// Do the actual import of functions now, one Module at a time
std::set<StringRef> ModuleNameOrderedList;
for (auto &FunctionsToImportPerModule : ImportList) {
ModuleNameOrderedList.insert(FunctionsToImportPerModule.first());
}
for (auto &Name : ModuleNameOrderedList) {
// Get the module for the import
const auto &FunctionsToImportPerModule = ImportList.find(Name);
assert(FunctionsToImportPerModule != ImportList.end());
std::unique_ptr<Module> SrcModule = ModuleLoader(Name);
assert(&DestModule.getContext() == &SrcModule->getContext() &&
"Context mismatch");
// If modules were created with lazy metadata loading, materialize it
// now, before linking it (otherwise this will be a noop).
SrcModule->materializeMetadata();
UpgradeDebugInfo(*SrcModule);
auto &ImportGUIDs = FunctionsToImportPerModule->second;
// Find the globals to import
DenseSet<const GlobalValue *> GlobalsToImport;
for (auto &GV : *SrcModule) {
if (!GV.hasName())
continue;
auto GUID = GV.getGUID();
auto Import = ImportGUIDs.count(GUID);
DEBUG(dbgs() << (Import ? "Is" : "Not") << " importing " << GUID << " "
<< GV.getName() << " from " << SrcModule->getSourceFileName()
<< "\n");
if (Import) {
GV.materialize();
GlobalsToImport.insert(&GV);
}
}
for (auto &GV : SrcModule->globals()) {
if (!GV.hasName())
continue;
auto GUID = GV.getGUID();
auto Import = ImportGUIDs.count(GUID);
DEBUG(dbgs() << (Import ? "Is" : "Not") << " importing " << GUID << " "
<< GV.getName() << " from " << SrcModule->getSourceFileName()
<< "\n");
if (Import) {
GV.materialize();
GlobalsToImport.insert(&GV);
}
}
for (auto &GV : SrcModule->aliases()) {
if (!GV.hasName())
continue;
auto GUID = GV.getGUID();
auto Import = ImportGUIDs.count(GUID);
DEBUG(dbgs() << (Import ? "Is" : "Not") << " importing " << GUID << " "
<< GV.getName() << " from " << SrcModule->getSourceFileName()
<< "\n");
if (Import) {
// Alias can't point to "available_externally". However when we import
// linkOnceODR the linkage does not change. So we import the alias
// and aliasee only in this case.
GlobalObject *GO = GV.getBaseObject();
if (!GO->hasLinkOnceODRLinkage())
continue;
#ifndef NDEBUG
if (!GlobalsToImport.count(GO))
DEBUG(dbgs() << " alias triggers importing aliasee " << GO->getGUID()
<< " " << GO->getName() << " from "
<< SrcModule->getSourceFileName() << "\n");
#endif
GO->materialize();
GlobalsToImport.insert(GO);
GV.materialize();
GlobalsToImport.insert(&GV);
}
}
// Link in the specified functions.
if (renameModuleForThinLTO(*SrcModule, Index, &GlobalsToImport))
return true;
if (PrintImports) {
for (const auto *GV : GlobalsToImport)
dbgs() << DestModule.getSourceFileName() << ": Import " << GV->getName()
<< " from " << SrcModule->getSourceFileName() << "\n";
}
if (TheLinker.linkInModule(std::move(SrcModule), Linker::Flags::None,
&GlobalsToImport))
report_fatal_error("Function Import: link error");
ImportedCount += GlobalsToImport.size();
}
NumImported += ImportedCount;
DEBUG(dbgs() << "Imported " << ImportedCount << " functions for Module "
<< DestModule.getModuleIdentifier() << "\n");
return ImportedCount;
}
/*static*/ already_AddRefed<Response>
Response::Constructor(const GlobalObject& aGlobal,
const Optional<ArrayBufferOrArrayBufferViewOrBlobOrScalarValueStringOrURLSearchParams>& aBody,
const ResponseInit& aInit, ErrorResult& aRv)
{
if (aInit.mStatus < 200 || aInit.mStatus > 599) {
aRv.Throw(NS_ERROR_RANGE_ERR);
return nullptr;
}
nsCString statusText;
if (aInit.mStatusText.WasPassed()) {
statusText = aInit.mStatusText.Value();
nsACString::const_iterator start, end;
statusText.BeginReading(start);
statusText.EndReading(end);
if (FindCharInReadable('\r', start, end)) {
aRv.ThrowTypeError(MSG_RESPONSE_INVALID_STATUSTEXT_ERROR);
return nullptr;
}
// Reset iterator since FindCharInReadable advances it.
statusText.BeginReading(start);
if (FindCharInReadable('\n', start, end)) {
aRv.ThrowTypeError(MSG_RESPONSE_INVALID_STATUSTEXT_ERROR);
return nullptr;
}
} else {
// Since we don't support default values for ByteString.
statusText = NS_LITERAL_CSTRING("OK");
}
nsRefPtr<InternalResponse> internalResponse =
new InternalResponse(aInit.mStatus, statusText);
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
nsRefPtr<Response> r = new Response(global, internalResponse);
if (aInit.mHeaders.WasPassed()) {
internalResponse->Headers()->Clear();
// Instead of using Fill, create an object to allow the constructor to
// unwrap the HeadersInit.
nsRefPtr<Headers> headers =
Headers::Constructor(aGlobal, aInit.mHeaders.Value(), aRv);
if (aRv.Failed()) {
return nullptr;
}
internalResponse->Headers()->Fill(*headers->GetInternalHeaders(), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
if (aBody.WasPassed()) {
nsCOMPtr<nsIInputStream> bodyStream;
nsCString contentType;
aRv = ExtractByteStreamFromBody(aBody.Value(), getter_AddRefs(bodyStream), contentType);
internalResponse->SetBody(bodyStream);
if (!contentType.IsVoid() &&
!internalResponse->Headers()->Has(NS_LITERAL_CSTRING("Content-Type"), aRv)) {
internalResponse->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"), contentType, aRv);
}
if (aRv.Failed()) {
return nullptr;
}
}
r->SetMimeType(aRv);
return r.forget();
}
/* static */ already_AddRefed<BroadcastChannel>
BroadcastChannel::Constructor(const GlobalObject& aGlobal,
const nsAString& aChannel,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
// Window is null in workers.
nsAutoString origin;
PrincipalInfo principalInfo;
bool privateBrowsing = false;
WorkerPrivate* workerPrivate = nullptr;
if (NS_IsMainThread()) {
nsCOMPtr<nsIGlobalObject> incumbent = mozilla::dom::GetIncumbentGlobal();
if (!incumbent) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsIPrincipal* principal = incumbent->PrincipalOrNull();
if (!principal) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
bool isNullPrincipal;
aRv = principal->GetIsNullPrincipal(&isNullPrincipal);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
if (NS_WARN_IF(isNullPrincipal)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
GetOrigin(principal, origin, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
aRv = PrincipalToPrincipalInfo(principal, &principalInfo);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
nsIDocument* doc = window->GetExtantDoc();
if (doc) {
privateBrowsing = nsContentUtils::IsInPrivateBrowsing(doc);
// No bfcache when BroadcastChannel is used.
doc->DisallowBFCaching();
}
} else {
JSContext* cx = aGlobal.Context();
workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
nsRefPtr<InitializeRunnable> runnable =
new InitializeRunnable(workerPrivate, origin, principalInfo,
privateBrowsing, aRv);
runnable->Dispatch(cx);
}
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<BroadcastChannel> bc =
new BroadcastChannel(window, principalInfo, origin, aChannel,
privateBrowsing);
// Register this component to PBackground.
PBackgroundChild* actor = BackgroundChild::GetForCurrentThread();
if (actor) {
bc->ActorCreated(actor);
} else {
BackgroundChild::GetOrCreateForCurrentThread(bc);
}
if (!workerPrivate) {
MOZ_ASSERT(window);
MOZ_ASSERT(window->IsInnerWindow());
bc->mInnerID = window->WindowID();
// Register as observer for inner-window-destroyed.
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(bc, "inner-window-destroyed", false);
}
} else {
bc->mWorkerFeature = new BroadcastChannelFeature(bc);
JSContext* cx = workerPrivate->GetJSContext();
if (NS_WARN_IF(!workerPrivate->AddFeature(cx, bc->mWorkerFeature))) {
NS_WARNING("Failed to register the BroadcastChannel worker feature.");
bc->mWorkerFeature = nullptr;
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
}
return bc.forget();
}
// Automatically import functions in Module \p DestModule based on the summaries
// index.
//
bool FunctionImporter::importFunctions(
Module &DestModule, const FunctionImporter::ImportMapTy &ImportList,
bool ForceImportReferencedDiscardableSymbols) {
DEBUG(dbgs() << "Starting import for Module "
<< DestModule.getModuleIdentifier() << "\n");
unsigned ImportedCount = 0;
// Linker that will be used for importing function
Linker TheLinker(DestModule);
// Do the actual import of functions now, one Module at a time
std::set<StringRef> ModuleNameOrderedList;
for (auto &FunctionsToImportPerModule : ImportList) {
ModuleNameOrderedList.insert(FunctionsToImportPerModule.first());
}
for (auto &Name : ModuleNameOrderedList) {
// Get the module for the import
const auto &FunctionsToImportPerModule = ImportList.find(Name);
assert(FunctionsToImportPerModule != ImportList.end());
std::unique_ptr<Module> SrcModule = ModuleLoader(Name);
assert(&DestModule.getContext() == &SrcModule->getContext() &&
"Context mismatch");
// If modules were created with lazy metadata loading, materialize it
// now, before linking it (otherwise this will be a noop).
SrcModule->materializeMetadata();
UpgradeDebugInfo(*SrcModule);
auto &ImportGUIDs = FunctionsToImportPerModule->second;
// Find the globals to import
DenseSet<const GlobalValue *> GlobalsToImport;
for (Function &F : *SrcModule) {
if (!F.hasName())
continue;
auto GUID = F.getGUID();
auto Import = ImportGUIDs.count(GUID);
DEBUG(dbgs() << (Import ? "Is" : "Not") << " importing function " << GUID
<< " " << F.getName() << " from "
<< SrcModule->getSourceFileName() << "\n");
if (Import) {
F.materialize();
if (EnableImportMetadata) {
// Add 'thinlto_src_module' metadata for statistics and debugging.
F.setMetadata(
"thinlto_src_module",
llvm::MDNode::get(
DestModule.getContext(),
{llvm::MDString::get(DestModule.getContext(),
SrcModule->getSourceFileName())}));
}
GlobalsToImport.insert(&F);
}
}
for (GlobalVariable &GV : SrcModule->globals()) {
if (!GV.hasName())
continue;
auto GUID = GV.getGUID();
auto Import = ImportGUIDs.count(GUID);
DEBUG(dbgs() << (Import ? "Is" : "Not") << " importing global " << GUID
<< " " << GV.getName() << " from "
<< SrcModule->getSourceFileName() << "\n");
if (Import) {
GV.materialize();
GlobalsToImport.insert(&GV);
}
}
for (GlobalAlias &GA : SrcModule->aliases()) {
if (!GA.hasName())
continue;
auto GUID = GA.getGUID();
auto Import = ImportGUIDs.count(GUID);
DEBUG(dbgs() << (Import ? "Is" : "Not") << " importing alias " << GUID
<< " " << GA.getName() << " from "
<< SrcModule->getSourceFileName() << "\n");
if (Import) {
// Alias can't point to "available_externally". However when we import
// linkOnceODR the linkage does not change. So we import the alias
// and aliasee only in this case. This has been handled by
// computeImportForFunction()
GlobalObject *GO = GA.getBaseObject();
assert(GO->hasLinkOnceODRLinkage() &&
"Unexpected alias to a non-linkonceODR in import list");
#ifndef NDEBUG
if (!GlobalsToImport.count(GO))
DEBUG(dbgs() << " alias triggers importing aliasee " << GO->getGUID()
<< " " << GO->getName() << " from "
<< SrcModule->getSourceFileName() << "\n");
#endif
GO->materialize();
GlobalsToImport.insert(GO);
GA.materialize();
GlobalsToImport.insert(&GA);
}
}
// Link in the specified functions.
if (renameModuleForThinLTO(*SrcModule, Index, &GlobalsToImport))
return true;
if (PrintImports) {
for (const auto *GV : GlobalsToImport)
dbgs() << DestModule.getSourceFileName() << ": Import " << GV->getName()
<< " from " << SrcModule->getSourceFileName() << "\n";
}
// Instruct the linker that the client will take care of linkonce resolution
unsigned Flags = Linker::Flags::None;
if (!ForceImportReferencedDiscardableSymbols)
Flags |= Linker::Flags::DontForceLinkLinkonceODR;
if (TheLinker.linkInModule(std::move(SrcModule), Flags, &GlobalsToImport))
report_fatal_error("Function Import: link error");
ImportedCount += GlobalsToImport.size();
}
NumImported += ImportedCount;
DEBUG(dbgs() << "Imported " << ImportedCount << " functions for Module "
<< DestModule.getModuleIdentifier() << "\n");
return ImportedCount;
}
bool ReduceCrashingFunctions::TestFuncs(std::vector<Function *> &Funcs) {
// If main isn't present, claim there is no problem.
if (KeepMain && !is_contained(Funcs, BD.getProgram()->getFunction("main")))
return false;
// Clone the program to try hacking it apart...
ValueToValueMapTy VMap;
Module *M = CloneModule(BD.getProgram(), VMap).release();
// Convert list to set for fast lookup...
std::set<Function *> Functions;
for (unsigned i = 0, e = Funcs.size(); i != e; ++i) {
Function *CMF = cast<Function>(VMap[Funcs[i]]);
assert(CMF && "Function not in module?!");
assert(CMF->getFunctionType() == Funcs[i]->getFunctionType() && "wrong ty");
assert(CMF->getName() == Funcs[i]->getName() && "wrong name");
Functions.insert(CMF);
}
outs() << "Checking for crash with only these functions: ";
PrintFunctionList(Funcs);
outs() << ": ";
if (!ReplaceFuncsWithNull) {
// Loop over and delete any functions which we aren't supposed to be playing
// with...
for (Function &I : *M)
if (!I.isDeclaration() && !Functions.count(&I))
DeleteFunctionBody(&I);
} else {
std::vector<GlobalValue *> ToRemove;
// First, remove aliases to functions we're about to purge.
for (GlobalAlias &Alias : M->aliases()) {
GlobalObject *Root = Alias.getBaseObject();
Function *F = dyn_cast_or_null<Function>(Root);
if (F) {
if (Functions.count(F))
// We're keeping this function.
continue;
} else if (Root->isNullValue()) {
// This referenced a globalalias that we've already replaced,
// so we still need to replace this alias.
} else if (!F) {
// Not a function, therefore not something we mess with.
continue;
}
PointerType *Ty = cast<PointerType>(Alias.getType());
Constant *Replacement = ConstantPointerNull::get(Ty);
Alias.replaceAllUsesWith(Replacement);
ToRemove.push_back(&Alias);
}
for (Function &I : *M) {
if (!I.isDeclaration() && !Functions.count(&I)) {
PointerType *Ty = cast<PointerType>(I.getType());
Constant *Replacement = ConstantPointerNull::get(Ty);
I.replaceAllUsesWith(Replacement);
ToRemove.push_back(&I);
}
}
for (auto *F : ToRemove) {
F->eraseFromParent();
}
// Finally, remove any null members from any global intrinsic.
RemoveFunctionReferences(M, "llvm.used");
RemoveFunctionReferences(M, "llvm.compiler.used");
}
// Try running the hacked up program...
if (TestFn(BD, M)) {
BD.setNewProgram(M); // It crashed, keep the trimmed version...
// Make sure to use function pointers that point into the now-current
// module.
Funcs.assign(Functions.begin(), Functions.end());
return true;
}
delete M;
return false;
}
already_AddRefed<WebSocket>
WebSocket::Constructor(const GlobalObject& aGlobal,
const nsAString& aUrl,
const Sequence<nsString>& aProtocols,
ErrorResult& aRv)
{
if (!PrefEnabled()) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return nullptr;
}
nsCOMPtr<nsIScriptObjectPrincipal> scriptPrincipal =
do_QueryInterface(aGlobal.GetAsSupports());
if (!scriptPrincipal) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsIPrincipal> principal = scriptPrincipal->GetPrincipal();
if (!principal) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsIScriptGlobalObject> sgo = do_QueryInterface(aGlobal.GetAsSupports());
if (!sgo) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsPIDOMWindow> ownerWindow = do_QueryInterface(aGlobal.GetAsSupports());
if (!ownerWindow) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsTArray<nsString> protocolArray;
for (uint32_t index = 0, len = aProtocols.Length(); index < len; ++index) {
const nsString& protocolElement = aProtocols[index];
if (protocolElement.IsEmpty()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
if (protocolArray.Contains(protocolElement)) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
if (protocolElement.FindChar(',') != -1) /* interferes w/list */ {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
protocolArray.AppendElement(protocolElement);
}
nsRefPtr<WebSocket> webSocket = new WebSocket(ownerWindow);
nsresult rv = webSocket->Init(aGlobal.Context(), principal,
aUrl, protocolArray);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
return webSocket.forget();
}
already_AddRefed<HTMLOptionElement>
HTMLOptionElement::Option(const GlobalObject& aGlobal,
const Optional<nsAString>& aText,
const Optional<nsAString>& aValue,
const Optional<bool>& aDefaultSelected,
const Optional<bool>& aSelected, ErrorResult& aError)
{
nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(aGlobal.GetAsSupports());
nsIDocument* doc;
if (!win || !(doc = win->GetExtantDoc())) {
aError.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsINodeInfo> nodeInfo =
doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::option, nullptr,
kNameSpaceID_XHTML,
nsIDOMNode::ELEMENT_NODE);
nsRefPtr<HTMLOptionElement> option = new HTMLOptionElement(nodeInfo.forget());
if (aText.WasPassed()) {
// Create a new text node and append it to the option
nsRefPtr<nsTextNode> textContent =
new nsTextNode(option->NodeInfo()->NodeInfoManager());
textContent->SetText(aText.Value(), false);
aError = option->AppendChildTo(textContent, false);
if (aError.Failed()) {
return nullptr;
}
if (aValue.WasPassed()) {
// Set the value attribute for this element. We're calling SetAttr
// directly because we want to pass aNotify == false.
aError = option->SetAttr(kNameSpaceID_None, nsGkAtoms::value,
aValue.Value(), false);
if (aError.Failed()) {
return nullptr;
}
if (aDefaultSelected.WasPassed()) {
if (aDefaultSelected.Value()) {
// We're calling SetAttr directly because we want to pass
// aNotify == false.
aError = option->SetAttr(kNameSpaceID_None, nsGkAtoms::selected,
EmptyString(), false);
if (aError.Failed()) {
return nullptr;
}
}
if (aSelected.WasPassed()) {
option->SetSelected(aSelected.Value(), aError);
if (aError.Failed()) {
return nullptr;
}
}
}
}
}
return option.forget();
}
/*static*/ already_AddRefed<Response>
Response::Constructor(const GlobalObject& aGlobal,
const Optional<ArrayBufferOrArrayBufferViewOrBlobOrFormDataOrUSVStringOrURLSearchParams>& aBody,
const ResponseInit& aInit, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (aInit.mStatus < 200 || aInit.mStatus > 599) {
aRv.ThrowRangeError(MSG_INVALID_RESPONSE_STATUSCODE_ERROR);
return nullptr;
}
nsCString statusText;
if (aInit.mStatusText.WasPassed()) {
statusText = aInit.mStatusText.Value();
nsACString::const_iterator start, end;
statusText.BeginReading(start);
statusText.EndReading(end);
if (FindCharInReadable('\r', start, end)) {
aRv.ThrowTypeError(MSG_RESPONSE_INVALID_STATUSTEXT_ERROR);
return nullptr;
}
// Reset iterator since FindCharInReadable advances it.
statusText.BeginReading(start);
if (FindCharInReadable('\n', start, end)) {
aRv.ThrowTypeError(MSG_RESPONSE_INVALID_STATUSTEXT_ERROR);
return nullptr;
}
} else {
// Since we don't support default values for ByteString.
statusText = NS_LITERAL_CSTRING("OK");
}
nsRefPtr<InternalResponse> internalResponse =
new InternalResponse(aInit.mStatus, statusText);
// Grab a valid channel info from the global so this response is 'valid' for
// interception.
if (NS_IsMainThread()) {
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(global);
MOZ_ASSERT(window);
nsIDocument* doc = window->GetExtantDoc();
MOZ_ASSERT(doc);
ChannelInfo info;
info.InitFromDocument(doc);
internalResponse->InitChannelInfo(info);
} else {
workers::WorkerPrivate* worker = workers::GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
internalResponse->InitChannelInfo(worker->GetChannelInfo());
}
nsRefPtr<Response> r = new Response(global, internalResponse);
if (aInit.mHeaders.WasPassed()) {
internalResponse->Headers()->Clear();
// Instead of using Fill, create an object to allow the constructor to
// unwrap the HeadersInit.
nsRefPtr<Headers> headers =
Headers::Create(global, aInit.mHeaders.Value(), aRv);
if (aRv.Failed()) {
return nullptr;
}
internalResponse->Headers()->Fill(*headers->GetInternalHeaders(), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
if (aBody.WasPassed()) {
nsCOMPtr<nsIInputStream> bodyStream;
nsCString contentType;
aRv = ExtractByteStreamFromBody(aBody.Value(), getter_AddRefs(bodyStream), contentType);
internalResponse->SetBody(bodyStream);
if (!contentType.IsVoid() &&
!internalResponse->Headers()->Has(NS_LITERAL_CSTRING("Content-Type"), aRv)) {
internalResponse->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"), contentType, aRv);
}
if (aRv.Failed()) {
return nullptr;
}
}
r->SetMimeType();
return r.forget();
}
already_AddRefed<DOMMatrix>
DOMMatrix::Constructor(const GlobalObject& aGlobal, const DOMMatrixReadOnly& aOther, ErrorResult& aRv)
{
RefPtr<DOMMatrix> obj = new DOMMatrix(aGlobal.GetAsSupports(), aOther);
return obj.forget();
}
/* static */ already_AddRefed<BroadcastChannel>
BroadcastChannel::Constructor(const GlobalObject& aGlobal,
const nsAString& aChannel,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(aGlobal.GetAsSupports());
// Window is null in workers.
nsAutoCString origin;
PrincipalInfo principalInfo;
WorkerPrivate* workerPrivate = nullptr;
if (NS_IsMainThread()) {
nsCOMPtr<nsIGlobalObject> incumbent = mozilla::dom::GetIncumbentGlobal();
if (!incumbent) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsIPrincipal* principal = incumbent->PrincipalOrNull();
if (!principal) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
aRv = principal->GetOrigin(origin);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
aRv = PrincipalToPrincipalInfo(principal, &principalInfo);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
} else {
JSContext* cx = aGlobal.Context();
workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
RefPtr<InitializeRunnable> runnable =
new InitializeRunnable(workerPrivate, origin, principalInfo, aRv);
runnable->Dispatch(Closing, aRv);
}
if (aRv.Failed()) {
return nullptr;
}
RefPtr<BroadcastChannel> bc =
new BroadcastChannel(window, principalInfo, origin, aChannel);
// Register this component to PBackground.
PBackgroundChild* actor = BackgroundChild::GetForCurrentThread();
if (actor) {
bc->ActorCreated(actor);
} else {
BackgroundChild::GetOrCreateForCurrentThread(bc);
}
if (!workerPrivate) {
MOZ_ASSERT(window);
MOZ_ASSERT(window->IsInnerWindow());
bc->mInnerID = window->WindowID();
// Register as observer for inner-window-destroyed.
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(bc, "inner-window-destroyed", false);
}
} else {
bc->mWorkerHolder = new BroadcastChannelWorkerHolder(bc);
if (NS_WARN_IF(!bc->mWorkerHolder->HoldWorker(workerPrivate, Closing))) {
bc->mWorkerHolder = nullptr;
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
}
return bc.forget();
}
BOOL ModuleRoot::SetRootProperty(PropertyId propertyId, Var value, PropertyOperationFlags flags, PropertyValueInfo* info)
{
PropertyIndex index = GetRootPropertyIndex(propertyId);
if (index != Constants::NoSlot)
{
if (this->IsWritable(propertyId) == FALSE)
{
JavascriptError::ThrowCantAssignIfStrictMode(flags, this->GetScriptContext());
#if ENABLE_FIXED_FIELDS
if (this->IsFixedProperty(propertyId))
{
PropertyValueInfo::SetNoCache(info, this);
}
else
#endif
{
PropertyValueInfo::Set(info, this, index, PropertyNone); // Try to cache property info even if not writable
}
return FALSE;
}
this->SetSlot(SetSlotArgumentsRoot(propertyId, true, index, value));
#if ENABLE_FIXED_FIELDS
if (this->IsFixedProperty(propertyId))
{
PropertyValueInfo::SetNoCache(info, this);
}
else
#endif
{
PropertyValueInfo::Set(info, this, index);
}
return TRUE;
}
else if (this->hostObject && this->hostObject->HasProperty(propertyId))
{
return this->hostObject->SetProperty(propertyId, value, flags, NULL);
}
//
// Try checking the global object
// if the module root doesn't have the property and the host object also doesn't have it
//
GlobalObject* globalObj = this->GetLibrary()->GetGlobalObject();
BOOL setAttempted = TRUE;
if (globalObj->SetExistingRootProperty(propertyId, value, NULL, &setAttempted))
{
return TRUE;
}
//
// Set was attempted. But the set operation returned false.
// This happens, when the property is read only.
// In those scenarios, we should be setting the property with default attributes
//
if (setAttempted)
{
return FALSE;
}
return __super::SetRootProperty(propertyId, value, (PropertyOperationFlags)(flags | PropertyOperation_NonFixedValue), info);
}
static GlobalObject* create(JSGlobalData& globalData, Structure* structure, const Vector<UString>& arguments)
{
GlobalObject* object = new (allocateCell<GlobalObject>(globalData.heap)) GlobalObject(globalData, structure);
object->finishCreation(globalData, arguments);
return object;
}
already_AddRefed<DOMMatrix>
DOMMatrix::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
{
nsRefPtr<DOMMatrix> obj = new DOMMatrix(aGlobal.GetAsSupports());
return obj.forget();
}
/* static */ already_AddRefed<VRSubmitFrameResult>
VRSubmitFrameResult::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
{
RefPtr<VRSubmitFrameResult> obj = new VRSubmitFrameResult(aGlobal.GetAsSupports());
return obj.forget();
}
