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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/cache/Cache.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/cache/Cache.cpp')
-rw-r--r--dom/cache/Cache.cpp659
1 files changed, 659 insertions, 0 deletions
diff --git a/dom/cache/Cache.cpp b/dom/cache/Cache.cpp
new file mode 100644
index 000000000..0d5815edb
--- /dev/null
+++ b/dom/cache/Cache.cpp
@@ -0,0 +1,659 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/cache/Cache.h"
+
+#include "mozilla/dom/Headers.h"
+#include "mozilla/dom/InternalResponse.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/PromiseNativeHandler.h"
+#include "mozilla/dom/Response.h"
+#include "mozilla/dom/WorkerPrivate.h"
+#include "mozilla/dom/CacheBinding.h"
+#include "mozilla/dom/cache/AutoUtils.h"
+#include "mozilla/dom/cache/CacheChild.h"
+#include "mozilla/dom/cache/CacheWorkerHolder.h"
+#include "mozilla/dom/cache/ReadStream.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/Unused.h"
+#include "nsIGlobalObject.h"
+
+namespace mozilla {
+namespace dom {
+namespace cache {
+
+using mozilla::dom::workers::GetCurrentThreadWorkerPrivate;
+using mozilla::dom::workers::WorkerPrivate;
+using mozilla::ipc::PBackgroundChild;
+
+namespace {
+
+bool
+IsValidPutRequestURL(const nsAString& aUrl, ErrorResult& aRv)
+{
+ bool validScheme = false;
+
+ // make a copy because ProcessURL strips the fragmet
+ NS_ConvertUTF16toUTF8 url(aUrl);
+
+ TypeUtils::ProcessURL(url, &validScheme, nullptr, nullptr, aRv);
+ if (aRv.Failed()) {
+ return false;
+ }
+
+ if (!validScheme) {
+ aRv.ThrowTypeError<MSG_INVALID_URL_SCHEME>(NS_LITERAL_STRING("Request"),
+ aUrl);
+ return false;
+ }
+
+ return true;
+}
+
+static bool
+IsValidPutRequestMethod(const Request& aRequest, ErrorResult& aRv)
+{
+ nsAutoCString method;
+ aRequest.GetMethod(method);
+ if (!method.LowerCaseEqualsLiteral("get")) {
+ NS_ConvertASCIItoUTF16 label(method);
+ aRv.ThrowTypeError<MSG_INVALID_REQUEST_METHOD>(label);
+ return false;
+ }
+
+ return true;
+}
+
+static bool
+IsValidPutRequestMethod(const RequestOrUSVString& aRequest, ErrorResult& aRv)
+{
+ // If the provided request is a string URL, then it will default to
+ // a valid http method automatically.
+ if (!aRequest.IsRequest()) {
+ return true;
+ }
+ return IsValidPutRequestMethod(aRequest.GetAsRequest(), aRv);
+}
+
+} // namespace
+
+// Helper class to wait for Add()/AddAll() fetch requests to complete and
+// then perform a PutAll() with the responses. This class holds a WorkerHolder
+// to keep the Worker thread alive. This is mainly to ensure that Add/AddAll
+// act the same as other Cache operations that directly create a CacheOpChild
+// actor.
+class Cache::FetchHandler final : public PromiseNativeHandler
+{
+public:
+ FetchHandler(CacheWorkerHolder* aWorkerHolder, Cache* aCache,
+ nsTArray<RefPtr<Request>>&& aRequestList, Promise* aPromise)
+ : mWorkerHolder(aWorkerHolder)
+ , mCache(aCache)
+ , mRequestList(Move(aRequestList))
+ , mPromise(aPromise)
+ {
+ MOZ_ASSERT_IF(!NS_IsMainThread(), mWorkerHolder);
+ MOZ_DIAGNOSTIC_ASSERT(mCache);
+ MOZ_DIAGNOSTIC_ASSERT(mPromise);
+ }
+
+ virtual void
+ ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override
+ {
+ NS_ASSERT_OWNINGTHREAD(FetchHandler);
+
+ // Stop holding the worker alive when we leave this method.
+ RefPtr<CacheWorkerHolder> workerHolder;
+ workerHolder.swap(mWorkerHolder);
+
+ // Promise::All() passed an array of fetch() Promises should give us
+ // an Array of Response objects. The following code unwraps these
+ // JS values back to an nsTArray<RefPtr<Response>>.
+
+ AutoTArray<RefPtr<Response>, 256> responseList;
+ responseList.SetCapacity(mRequestList.Length());
+
+ bool isArray;
+ if (NS_WARN_IF(!JS_IsArrayObject(aCx, aValue, &isArray) || !isArray)) {
+ Fail();
+ return;
+ }
+
+ JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
+
+ uint32_t length;
+ if (NS_WARN_IF(!JS_GetArrayLength(aCx, obj, &length))) {
+ Fail();
+ return;
+ }
+
+ for (uint32_t i = 0; i < length; ++i) {
+ JS::Rooted<JS::Value> value(aCx);
+
+ if (NS_WARN_IF(!JS_GetElement(aCx, obj, i, &value))) {
+ Fail();
+ return;
+ }
+
+ if (NS_WARN_IF(!value.isObject())) {
+ Fail();
+ return;
+ }
+
+ JS::Rooted<JSObject*> responseObj(aCx, &value.toObject());
+
+ RefPtr<Response> response;
+ nsresult rv = UNWRAP_OBJECT(Response, responseObj, response);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ Fail();
+ return;
+ }
+
+ if (NS_WARN_IF(response->Type() == ResponseType::Error)) {
+ Fail();
+ return;
+ }
+
+ // Do not allow the convenience methods .add()/.addAll() to store failed
+ // responses. A consequence of this is that these methods cannot be
+ // used to store opaque or opaqueredirect responses since they always
+ // expose a 0 status value.
+ if (!response->Ok()) {
+ uint32_t t = static_cast<uint32_t>(response->Type());
+ NS_ConvertASCIItoUTF16 type(ResponseTypeValues::strings[t].value,
+ ResponseTypeValues::strings[t].length);
+ nsAutoString status;
+ status.AppendInt(response->Status());
+ nsAutoString url;
+ mRequestList[i]->GetUrl(url);
+ ErrorResult rv;
+ rv.ThrowTypeError<MSG_CACHE_ADD_FAILED_RESPONSE>(type, status, url);
+
+ // TODO: abort the fetch requests we have running (bug 1157434)
+ mPromise->MaybeReject(rv);
+ return;
+ }
+
+ responseList.AppendElement(Move(response));
+ }
+
+ MOZ_DIAGNOSTIC_ASSERT(mRequestList.Length() == responseList.Length());
+
+ // Now store the unwrapped Response list in the Cache.
+ ErrorResult result;
+ RefPtr<Promise> put = mCache->PutAll(mRequestList, responseList, result);
+ if (NS_WARN_IF(result.Failed())) {
+ // TODO: abort the fetch requests we have running (bug 1157434)
+ mPromise->MaybeReject(result);
+ return;
+ }
+
+ // Chain the Cache::Put() promise to the original promise returned to
+ // the content script.
+ mPromise->MaybeResolve(put);
+ }
+
+ virtual void
+ RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override
+ {
+ NS_ASSERT_OWNINGTHREAD(FetchHandler);
+ Fail();
+ }
+
+private:
+ ~FetchHandler()
+ {
+ }
+
+ void
+ Fail()
+ {
+ ErrorResult rv;
+ rv.ThrowTypeError<MSG_FETCH_FAILED>();
+ mPromise->MaybeReject(rv);
+ }
+
+ RefPtr<CacheWorkerHolder> mWorkerHolder;
+ RefPtr<Cache> mCache;
+ nsTArray<RefPtr<Request>> mRequestList;
+ RefPtr<Promise> mPromise;
+
+ NS_DECL_ISUPPORTS
+};
+
+NS_IMPL_ISUPPORTS0(Cache::FetchHandler)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(mozilla::dom::cache::Cache);
+NS_IMPL_CYCLE_COLLECTING_RELEASE(mozilla::dom::cache::Cache);
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(mozilla::dom::cache::Cache, mGlobal);
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Cache)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+Cache::Cache(nsIGlobalObject* aGlobal, CacheChild* aActor)
+ : mGlobal(aGlobal)
+ , mActor(aActor)
+{
+ MOZ_DIAGNOSTIC_ASSERT(mGlobal);
+ MOZ_DIAGNOSTIC_ASSERT(mActor);
+ mActor->SetListener(this);
+}
+
+already_AddRefed<Promise>
+Cache::Match(const RequestOrUSVString& aRequest,
+ const CacheQueryOptions& aOptions, ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ RefPtr<InternalRequest> ir = ToInternalRequest(aRequest, IgnoreBody, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ CacheQueryParams params;
+ ToCacheQueryParams(params, aOptions);
+
+ AutoChildOpArgs args(this, CacheMatchArgs(CacheRequest(), params), 1);
+
+ args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ return ExecuteOp(args, aRv);
+}
+
+already_AddRefed<Promise>
+Cache::MatchAll(const Optional<RequestOrUSVString>& aRequest,
+ const CacheQueryOptions& aOptions, ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ CacheQueryParams params;
+ ToCacheQueryParams(params, aOptions);
+
+ AutoChildOpArgs args(this, CacheMatchAllArgs(void_t(), params), 1);
+
+ if (aRequest.WasPassed()) {
+ RefPtr<InternalRequest> ir = ToInternalRequest(aRequest.Value(),
+ IgnoreBody, aRv);
+ if (aRv.Failed()) {
+ return nullptr;
+ }
+
+ args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
+ if (aRv.Failed()) {
+ return nullptr;
+ }
+ }
+
+ return ExecuteOp(args, aRv);
+}
+
+already_AddRefed<Promise>
+Cache::Add(JSContext* aContext, const RequestOrUSVString& aRequest,
+ ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ if (!IsValidPutRequestMethod(aRequest, aRv)) {
+ return nullptr;
+ }
+
+ GlobalObject global(aContext, mGlobal->GetGlobalJSObject());
+ MOZ_DIAGNOSTIC_ASSERT(!global.Failed());
+
+ nsTArray<RefPtr<Request>> requestList(1);
+ RefPtr<Request> request = Request::Constructor(global, aRequest,
+ RequestInit(), aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ nsAutoString url;
+ request->GetUrl(url);
+ if (NS_WARN_IF(!IsValidPutRequestURL(url, aRv))) {
+ return nullptr;
+ }
+
+ requestList.AppendElement(Move(request));
+ return AddAll(global, Move(requestList), aRv);
+}
+
+already_AddRefed<Promise>
+Cache::AddAll(JSContext* aContext,
+ const Sequence<OwningRequestOrUSVString>& aRequestList,
+ ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ GlobalObject global(aContext, mGlobal->GetGlobalJSObject());
+ MOZ_DIAGNOSTIC_ASSERT(!global.Failed());
+
+ nsTArray<RefPtr<Request>> requestList(aRequestList.Length());
+ for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
+ RequestOrUSVString requestOrString;
+
+ if (aRequestList[i].IsRequest()) {
+ requestOrString.SetAsRequest() = aRequestList[i].GetAsRequest();
+ if (NS_WARN_IF(!IsValidPutRequestMethod(requestOrString.GetAsRequest(),
+ aRv))) {
+ return nullptr;
+ }
+ } else {
+ requestOrString.SetAsUSVString().Rebind(
+ aRequestList[i].GetAsUSVString().Data(),
+ aRequestList[i].GetAsUSVString().Length());
+ }
+
+ RefPtr<Request> request = Request::Constructor(global, requestOrString,
+ RequestInit(), aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ nsAutoString url;
+ request->GetUrl(url);
+ if (NS_WARN_IF(!IsValidPutRequestURL(url, aRv))) {
+ return nullptr;
+ }
+
+ requestList.AppendElement(Move(request));
+ }
+
+ return AddAll(global, Move(requestList), aRv);
+}
+
+already_AddRefed<Promise>
+Cache::Put(const RequestOrUSVString& aRequest, Response& aResponse,
+ ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ if (NS_WARN_IF(!IsValidPutRequestMethod(aRequest, aRv))) {
+ return nullptr;
+ }
+
+ RefPtr<InternalRequest> ir = ToInternalRequest(aRequest, ReadBody, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ AutoChildOpArgs args(this, CachePutAllArgs(), 1);
+
+ args.Add(ir, ReadBody, TypeErrorOnInvalidScheme,
+ aResponse, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ return ExecuteOp(args, aRv);
+}
+
+already_AddRefed<Promise>
+Cache::Delete(const RequestOrUSVString& aRequest,
+ const CacheQueryOptions& aOptions, ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ RefPtr<InternalRequest> ir = ToInternalRequest(aRequest, IgnoreBody, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ CacheQueryParams params;
+ ToCacheQueryParams(params, aOptions);
+
+ AutoChildOpArgs args(this, CacheDeleteArgs(CacheRequest(), params), 1);
+
+ args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ return ExecuteOp(args, aRv);
+}
+
+already_AddRefed<Promise>
+Cache::Keys(const Optional<RequestOrUSVString>& aRequest,
+ const CacheQueryOptions& aOptions, ErrorResult& aRv)
+{
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ CacheQueryParams params;
+ ToCacheQueryParams(params, aOptions);
+
+ AutoChildOpArgs args(this, CacheKeysArgs(void_t(), params), 1);
+
+ if (aRequest.WasPassed()) {
+ RefPtr<InternalRequest> ir = ToInternalRequest(aRequest.Value(),
+ IgnoreBody, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+ }
+
+ return ExecuteOp(args, aRv);
+}
+
+// static
+bool
+Cache::PrefEnabled(JSContext* aCx, JSObject* aObj)
+{
+ using mozilla::dom::workers::WorkerPrivate;
+ using mozilla::dom::workers::GetWorkerPrivateFromContext;
+
+ // If we're on the main thread, then check the pref directly.
+ if (NS_IsMainThread()) {
+ bool enabled = false;
+ Preferences::GetBool("dom.caches.enabled", &enabled);
+ return enabled;
+ }
+
+ // Otherwise check the pref via the work private helper
+ WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
+ if (!workerPrivate) {
+ return false;
+ }
+
+ return workerPrivate->DOMCachesEnabled();
+}
+
+nsISupports*
+Cache::GetParentObject() const
+{
+ return mGlobal;
+}
+
+JSObject*
+Cache::WrapObject(JSContext* aContext, JS::Handle<JSObject*> aGivenProto)
+{
+ return CacheBinding::Wrap(aContext, this, aGivenProto);
+}
+
+void
+Cache::DestroyInternal(CacheChild* aActor)
+{
+ MOZ_DIAGNOSTIC_ASSERT(mActor);
+ MOZ_DIAGNOSTIC_ASSERT(mActor == aActor);
+ mActor->ClearListener();
+ mActor = nullptr;
+}
+
+nsIGlobalObject*
+Cache::GetGlobalObject() const
+{
+ return mGlobal;
+}
+
+#ifdef DEBUG
+void
+Cache::AssertOwningThread() const
+{
+ NS_ASSERT_OWNINGTHREAD(Cache);
+}
+#endif
+
+PBackgroundChild*
+Cache::GetIPCManager()
+{
+ NS_ASSERT_OWNINGTHREAD(Cache);
+ MOZ_DIAGNOSTIC_ASSERT(mActor);
+ return mActor->Manager();
+}
+
+Cache::~Cache()
+{
+ NS_ASSERT_OWNINGTHREAD(Cache);
+ if (mActor) {
+ mActor->StartDestroyFromListener();
+ // DestroyInternal() is called synchronously by StartDestroyFromListener().
+ // So we should have already cleared the mActor.
+ MOZ_DIAGNOSTIC_ASSERT(!mActor);
+ }
+}
+
+already_AddRefed<Promise>
+Cache::ExecuteOp(AutoChildOpArgs& aOpArgs, ErrorResult& aRv)
+{
+ MOZ_DIAGNOSTIC_ASSERT(mActor);
+
+ RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
+ if (NS_WARN_IF(!promise)) {
+ return nullptr;
+ }
+
+ mActor->ExecuteOp(mGlobal, promise, this, aOpArgs.SendAsOpArgs());
+ return promise.forget();
+}
+
+already_AddRefed<Promise>
+Cache::AddAll(const GlobalObject& aGlobal,
+ nsTArray<RefPtr<Request>>&& aRequestList, ErrorResult& aRv)
+{
+ MOZ_DIAGNOSTIC_ASSERT(mActor);
+
+ // If there is no work to do, then resolve immediately
+ if (aRequestList.IsEmpty()) {
+ RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
+ if (NS_WARN_IF(!promise)) {
+ return nullptr;
+ }
+
+ promise->MaybeResolveWithUndefined();
+ return promise.forget();
+ }
+
+ AutoTArray<RefPtr<Promise>, 256> fetchList;
+ fetchList.SetCapacity(aRequestList.Length());
+
+ // Begin fetching each request in parallel. For now, if an error occurs just
+ // abandon our previous fetch calls. In theory we could cancel them in the
+ // future once fetch supports it.
+
+ for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
+ RequestOrUSVString requestOrString;
+ requestOrString.SetAsRequest() = aRequestList[i];
+ RefPtr<Promise> fetch = FetchRequest(mGlobal, requestOrString,
+ RequestInit(), aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ fetchList.AppendElement(Move(fetch));
+ }
+
+ RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ RefPtr<FetchHandler> handler =
+ new FetchHandler(mActor->GetWorkerHolder(), this,
+ Move(aRequestList), promise);
+
+ RefPtr<Promise> fetchPromise = Promise::All(aGlobal, fetchList, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+ fetchPromise->AppendNativeHandler(handler);
+
+ return promise.forget();
+}
+
+already_AddRefed<Promise>
+Cache::PutAll(const nsTArray<RefPtr<Request>>& aRequestList,
+ const nsTArray<RefPtr<Response>>& aResponseList,
+ ErrorResult& aRv)
+{
+ MOZ_DIAGNOSTIC_ASSERT(aRequestList.Length() == aResponseList.Length());
+
+ if (NS_WARN_IF(!mActor)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ CacheChild::AutoLock actorLock(mActor);
+
+ AutoChildOpArgs args(this, CachePutAllArgs(), aRequestList.Length());
+
+ for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
+ RefPtr<InternalRequest> ir = aRequestList[i]->GetInternalRequest();
+ args.Add(ir, ReadBody, TypeErrorOnInvalidScheme, *aResponseList[i], aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+ }
+
+ return ExecuteOp(args, aRv);
+}
+
+} // namespace cache
+} // namespace dom
+} // namespace mozilla