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/* -*- 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/. */
#ifndef mozilla_dom_workers_ScriptResponseHeaderProcessor_h__
#define mozilla_dom_workers_ScriptResponseHeaderProcessor_h__
#include "mozilla/dom/WorkerCommon.h"
#include "nsIHttpChannel.h"
#include "nsIHttpChannelInternal.h"
#include "nsIStreamLoader.h"
#include "nsStreamUtils.h"
#include "mozilla/StaticPrefs_browser.h"
namespace mozilla::dom {
class WorkerPrivate;
namespace workerinternals::loader {
/* ScriptResponseHeaderProcessor
*
* This class handles Policy headers. It can be used as a RequestObserver in a
* Tee, as it is for NetworkLoadHandler in WorkerScriptLoader, or the static
* method can be called directly, as it is in CacheLoadHandler.
*
*/
class ScriptResponseHeaderProcessor final : public nsIRequestObserver {
public:
NS_DECL_ISUPPORTS
ScriptResponseHeaderProcessor(WorkerPrivate* aWorkerPrivate,
bool aIsMainScript)
: mWorkerPrivate(aWorkerPrivate), mIsMainScript(aIsMainScript) {
AssertIsOnMainThread();
}
NS_IMETHOD OnStartRequest(nsIRequest* aRequest) override {
if (!StaticPrefs::browser_tabs_remote_useCrossOriginEmbedderPolicy()) {
return NS_OK;
}
nsresult rv = ProcessCrossOriginEmbedderPolicyHeader(aRequest);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRequest->Cancel(rv);
}
return rv;
}
NS_IMETHOD OnStopRequest(nsIRequest* aRequest,
nsresult aStatusCode) override {
return NS_OK;
}
static nsresult ProcessCrossOriginEmbedderPolicyHeader(
WorkerPrivate* aWorkerPrivate,
nsILoadInfo::CrossOriginEmbedderPolicy aPolicy, bool aIsMainScript);
private:
~ScriptResponseHeaderProcessor() = default;
nsresult ProcessCrossOriginEmbedderPolicyHeader(nsIRequest* aRequest);
WorkerPrivate* const mWorkerPrivate;
const bool mIsMainScript;
};
} // namespace workerinternals::loader
} // namespace mozilla::dom
#endif /* mozilla_dom_workers_ScriptResponseHeaderProcessor_h__ */
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