mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
370 lines
8.9 KiB
C++
370 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/Headers.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/WorkerPrivate.h"
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#include "mozilla/Preferences.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsContentUtils.h"
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#include "nsDOMString.h"
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#include "nsNetUtil.h"
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#include "nsPIDOMWindow.h"
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#include "nsReadableUtils.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTING_ADDREF(Headers)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(Headers)
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Headers, mOwner)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Headers)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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// static
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bool
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Headers::PrefEnabled(JSContext* aCx, JSObject* aObj)
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{
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using mozilla::dom::workers::WorkerPrivate;
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using mozilla::dom::workers::GetWorkerPrivateFromContext;
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if (NS_IsMainThread()) {
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static bool sPrefCacheInit = false;
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static bool sPrefEnabled = false;
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if (sPrefCacheInit) {
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return sPrefEnabled;
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}
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Preferences::AddBoolVarCache(&sPrefEnabled, "dom.fetch.enabled");
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sPrefCacheInit = true;
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return sPrefEnabled;
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}
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WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
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if (!workerPrivate) {
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return false;
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}
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return workerPrivate->DOMFetchEnabled();
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}
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// static
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already_AddRefed<Headers>
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Headers::Constructor(const GlobalObject& aGlobal,
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const Optional<HeadersOrByteStringSequenceSequenceOrByteStringMozMap>& aInit,
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ErrorResult& aRv)
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{
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nsRefPtr<Headers> headers = new Headers(aGlobal.GetAsSupports());
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if (!aInit.WasPassed()) {
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return headers.forget();
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}
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if (aInit.Value().IsHeaders()) {
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headers->Fill(aInit.Value().GetAsHeaders(), aRv);
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} else if (aInit.Value().IsByteStringSequenceSequence()) {
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headers->Fill(aInit.Value().GetAsByteStringSequenceSequence(), aRv);
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} else if (aInit.Value().IsByteStringMozMap()) {
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headers->Fill(aInit.Value().GetAsByteStringMozMap(), aRv);
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}
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if (aRv.Failed()) {
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return nullptr;
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}
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return headers.forget();
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}
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// static
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already_AddRefed<Headers>
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Headers::Constructor(const GlobalObject& aGlobal,
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const OwningHeadersOrByteStringSequenceSequenceOrByteStringMozMap& aInit,
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ErrorResult& aRv)
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{
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nsRefPtr<Headers> headers = new Headers(aGlobal.GetAsSupports());
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if (aInit.IsHeaders()) {
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headers->Fill(aInit.GetAsHeaders(), aRv);
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} else if (aInit.IsByteStringSequenceSequence()) {
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headers->Fill(aInit.GetAsByteStringSequenceSequence(), aRv);
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} else if (aInit.IsByteStringMozMap()) {
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headers->Fill(aInit.GetAsByteStringMozMap(), aRv);
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}
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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return headers.forget();
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}
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Headers::Headers(const Headers& aOther)
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: mOwner(aOther.mOwner)
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, mGuard(aOther.mGuard)
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{
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ErrorResult result;
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Fill(aOther, result);
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MOZ_ASSERT(!result.Failed());
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}
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void
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Headers::Append(const nsACString& aName, const nsACString& aValue,
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ErrorResult& aRv)
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{
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nsAutoCString lowerName;
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ToLowerCase(aName, lowerName);
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if (IsInvalidMutableHeader(lowerName, &aValue, aRv)) {
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return;
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}
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mList.AppendElement(Entry(lowerName, aValue));
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}
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void
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Headers::Delete(const nsACString& aName, ErrorResult& aRv)
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{
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nsAutoCString lowerName;
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ToLowerCase(aName, lowerName);
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if (IsInvalidMutableHeader(lowerName, nullptr, aRv)) {
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return;
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}
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// remove in reverse order to minimize copying
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for (int32_t i = mList.Length() - 1; i >= 0; --i) {
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if (lowerName == mList[i].mName) {
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mList.RemoveElementAt(i);
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}
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}
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}
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void
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Headers::Get(const nsACString& aName, nsCString& aValue, ErrorResult& aRv) const
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{
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nsAutoCString lowerName;
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ToLowerCase(aName, lowerName);
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if (IsInvalidName(lowerName, aRv)) {
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return;
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}
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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if (lowerName == mList[i].mName) {
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aValue = mList[i].mValue;
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return;
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}
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}
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// No value found, so return null to content
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aValue.SetIsVoid(true);
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}
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void
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Headers::GetAll(const nsACString& aName, nsTArray<nsCString>& aResults,
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ErrorResult& aRv) const
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{
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nsAutoCString lowerName;
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ToLowerCase(aName, lowerName);
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if (IsInvalidName(lowerName, aRv)) {
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return;
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}
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aResults.SetLength(0);
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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if (lowerName == mList[i].mName) {
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aResults.AppendElement(mList[i].mValue);
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}
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}
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}
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bool
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Headers::Has(const nsACString& aName, ErrorResult& aRv) const
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{
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nsAutoCString lowerName;
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ToLowerCase(aName, lowerName);
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if (IsInvalidName(lowerName, aRv)) {
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return false;
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}
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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if (lowerName == mList[i].mName) {
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return true;
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}
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}
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return false;
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}
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void
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Headers::Set(const nsACString& aName, const nsACString& aValue, ErrorResult& aRv)
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{
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nsAutoCString lowerName;
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ToLowerCase(aName, lowerName);
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if (IsInvalidMutableHeader(lowerName, &aValue, aRv)) {
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return;
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}
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int32_t firstIndex = INT32_MAX;
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// remove in reverse order to minimize copying
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for (int32_t i = mList.Length() - 1; i >= 0; --i) {
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if (lowerName == mList[i].mName) {
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firstIndex = std::min(firstIndex, i);
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mList.RemoveElementAt(i);
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}
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}
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if (firstIndex < INT32_MAX) {
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Entry* entry = mList.InsertElementAt(firstIndex);
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entry->mName = lowerName;
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entry->mValue = aValue;
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} else {
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mList.AppendElement(Entry(lowerName, aValue));
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}
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}
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void
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Headers::Clear()
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{
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mList.Clear();
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}
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void
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Headers::SetGuard(HeadersGuardEnum aGuard, ErrorResult& aRv)
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{
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// Rather than re-validate all current headers, just require code to set
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// this prior to populating the Headers object. Allow setting immutable
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// late, though, as that is pretty much required to have a useful, immutable
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// headers object.
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if (aGuard != HeadersGuardEnum::Immutable && mList.Length() > 0) {
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aRv.Throw(NS_ERROR_FAILURE);
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}
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mGuard = aGuard;
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}
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JSObject*
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Headers::WrapObject(JSContext* aCx)
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{
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return mozilla::dom::HeadersBinding::Wrap(aCx, this);
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}
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Headers::~Headers()
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{
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}
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// static
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bool
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Headers::IsSimpleHeader(const nsACString& aName, const nsACString* aValue)
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{
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// Note, we must allow a null content-type value here to support
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// get("content-type"), but the IsInvalidValue() check will prevent null
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// from being set or appended.
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return aName.EqualsLiteral("accept") ||
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aName.EqualsLiteral("accept-language") ||
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aName.EqualsLiteral("content-language") ||
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(aName.EqualsLiteral("content-type") &&
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(!aValue || nsContentUtils::IsAllowedNonCorsContentType(*aValue)));
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}
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//static
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bool
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Headers::IsInvalidName(const nsACString& aName, ErrorResult& aRv)
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{
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if (!NS_IsValidHTTPToken(aName)) {
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NS_ConvertUTF8toUTF16 label(aName);
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aRv.ThrowTypeError(MSG_INVALID_HEADER_NAME, &label);
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return true;
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}
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return false;
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}
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// static
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bool
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Headers::IsInvalidValue(const nsACString& aValue, ErrorResult& aRv)
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{
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if (!NS_IsReasonableHTTPHeaderValue(aValue)) {
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NS_ConvertUTF8toUTF16 label(aValue);
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aRv.ThrowTypeError(MSG_INVALID_HEADER_VALUE, &label);
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return true;
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}
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return false;
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}
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bool
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Headers::IsImmutable(ErrorResult& aRv) const
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{
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if (mGuard == HeadersGuardEnum::Immutable) {
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aRv.ThrowTypeError(MSG_HEADERS_IMMUTABLE);
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return true;
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}
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return false;
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}
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bool
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Headers::IsForbiddenRequestHeader(const nsACString& aName) const
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{
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return mGuard == HeadersGuardEnum::Request &&
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nsContentUtils::IsForbiddenRequestHeader(aName);
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}
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bool
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Headers::IsForbiddenRequestNoCorsHeader(const nsACString& aName,
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const nsACString* aValue) const
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{
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return mGuard == HeadersGuardEnum::Request_no_cors &&
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!IsSimpleHeader(aName, aValue);
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}
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bool
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Headers::IsForbiddenResponseHeader(const nsACString& aName) const
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{
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return mGuard == HeadersGuardEnum::Response &&
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nsContentUtils::IsForbiddenResponseHeader(aName);
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}
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void
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Headers::Fill(const Headers& aInit, ErrorResult& aRv)
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{
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const nsTArray<Entry>& list = aInit.mList;
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for (uint32_t i = 0; i < list.Length() && !aRv.Failed(); ++i) {
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const Entry& entry = list[i];
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Append(entry.mName, entry.mValue, aRv);
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}
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}
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void
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Headers::Fill(const Sequence<Sequence<nsCString>>& aInit, ErrorResult& aRv)
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{
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for (uint32_t i = 0; i < aInit.Length() && !aRv.Failed(); ++i) {
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const Sequence<nsCString>& tuple = aInit[i];
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if (tuple.Length() != 2) {
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aRv.ThrowTypeError(MSG_INVALID_HEADER_SEQUENCE);
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return;
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}
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Append(tuple[0], tuple[1], aRv);
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}
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}
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void
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Headers::Fill(const MozMap<nsCString>& aInit, ErrorResult& aRv)
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{
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nsTArray<nsString> keys;
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aInit.GetKeys(keys);
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for (uint32_t i = 0; i < keys.Length() && !aRv.Failed(); ++i) {
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Append(NS_ConvertUTF16toUTF8(keys[i]), aInit.Get(keys[i]), aRv);
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}
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}
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} // namespace dom
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} // namespace mozilla
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