91 lines
2.8 KiB
C++
91 lines
2.8 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 "ScriptResponseHeaderProcessor.h"
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#include "mozilla/Try.h"
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#include "mozilla/dom/WorkerRef.h"
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#include "mozilla/dom/WorkerScope.h"
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namespace mozilla {
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namespace dom {
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namespace workerinternals {
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namespace loader {
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NS_IMPL_ISUPPORTS(ScriptResponseHeaderProcessor, nsIRequestObserver);
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nsresult ScriptResponseHeaderProcessor::ProcessCrossOriginEmbedderPolicyHeader(
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WorkerPrivate* aWorkerPrivate,
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nsILoadInfo::CrossOriginEmbedderPolicy aPolicy, bool aIsMainScript) {
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MOZ_ASSERT(aWorkerPrivate);
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if (aIsMainScript) {
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MOZ_TRY(aWorkerPrivate->SetEmbedderPolicy(aPolicy));
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} else {
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// NOTE: Spec doesn't mention non-main scripts must match COEP header with
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// the main script, but it must pass CORP checking.
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// see: wpt window-simple-success.https.html, the worker import script
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// test-incrementer.js without coep header.
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Unused << NS_WARN_IF(!aWorkerPrivate->MatchEmbedderPolicy(aPolicy));
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}
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return NS_OK;
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}
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// Enforce strict MIME type checks for worker-imported scripts
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// https://github.com/whatwg/html/pull/4001
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nsresult ScriptResponseHeaderProcessor::EnsureExpectedModuleType(
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nsIRequest* aRequest) {
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nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
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MOZ_ASSERT(channel);
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nsAutoCString mimeType;
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channel->GetContentType(mimeType);
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NS_ConvertUTF8toUTF16 typeString(mimeType);
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if (mModuleType == JS::ModuleType::JavaScript &&
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nsContentUtils::IsJavascriptMIMEType(typeString)) {
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return NS_OK;
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}
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if (mModuleType == JS::ModuleType::JSON &&
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nsContentUtils::IsJsonMimeType(typeString)) {
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return NS_OK;
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}
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return NS_ERROR_DOM_NETWORK_ERR;
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}
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nsresult ScriptResponseHeaderProcessor::ProcessCrossOriginEmbedderPolicyHeader(
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nsIRequest* aRequest) {
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nsCOMPtr<nsIHttpChannelInternal> httpChannel = do_QueryInterface(aRequest);
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MOZ_ASSERT(mWorkerRef);
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// NOTE: the spec doesn't say what to do with non-HTTP workers.
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// See: https://github.com/whatwg/html/issues/4916
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if (!httpChannel) {
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if (mIsMainScript) {
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mWorkerRef->Private()->InheritOwnerEmbedderPolicyOrNull(aRequest);
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}
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return NS_OK;
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}
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nsILoadInfo::CrossOriginEmbedderPolicy coep;
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MOZ_TRY(httpChannel->GetResponseEmbedderPolicy(
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mWorkerRef->Private()->Trials().IsEnabled(
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OriginTrial::CoepCredentialless),
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&coep));
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return ProcessCrossOriginEmbedderPolicyHeader(mWorkerRef->Private(), coep,
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mIsMainScript);
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}
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} // namespace loader
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} // namespace workerinternals
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} // namespace dom
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} // namespace mozilla
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