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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_EXTENSION_MESSAGE_FILTER_H_
#define CHROME_BROWSER_RENDERER_HOST_CHROME_EXTENSION_MESSAGE_FILTER_H_
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/sequenced_task_runner_helpers.h"
#include "content/public/browser/browser_message_filter.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class Profile;
struct ExtensionHostMsg_APIActionOrEvent_Params;
struct ExtensionHostMsg_DOMAction_Params;
namespace extensions {
class ActivityLog;
class InfoMap;
struct Message;
}
// This class filters out incoming Chrome-specific IPC messages from the
// extension process on the IPC thread.
class ChromeExtensionMessageFilter : public content::BrowserMessageFilter,
public content::NotificationObserver {
public:
ChromeExtensionMessageFilter(int render_process_id, Profile* profile);
// content::BrowserMessageFilter methods:
bool OnMessageReceived(const IPC::Message& message) override;
void OverrideThreadForMessage(const IPC::Message& message,
content::BrowserThread::ID* thread) override;
void OnDestruct() const override;
private:
friend class content::BrowserThread;
friend class base::DeleteHelper<ChromeExtensionMessageFilter>;
~ChromeExtensionMessageFilter() override;
// TODO(jamescook): Move these functions into the extensions module. Ideally
// this would be in extensions::ExtensionMessageFilter but that will require
// resolving the ActivityLog dependencies on src/chrome.
// http://crbug.com/339637
void OnGetExtMessageBundle(const std::string& extension_id,
IPC::Message* reply_msg);
void OnGetExtMessageBundleAsync(
const std::vector<base::FilePath>& extension_paths,
const std::string& main_extension_id,
const std::string& default_locale,
IPC::Message* reply_msg);
void OnAddAPIActionToExtensionActivityLog(
const std::string& extension_id,
const ExtensionHostMsg_APIActionOrEvent_Params& params);
void OnAddBlockedCallToExtensionActivityLog(
const std::string& extension_id,
const std::string& function_name);
void OnAddDOMActionToExtensionActivityLog(
const std::string& extension_id,
const ExtensionHostMsg_DOMAction_Params& params);
void OnAddEventToExtensionActivityLog(
const std::string& extension_id,
const ExtensionHostMsg_APIActionOrEvent_Params& params);
// content::NotificationObserver implementation.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// Returns true if an action should be logged for the given extension.
bool ShouldLogExtensionAction(const std::string& extension_id) const;
const int render_process_id_;
// The Profile associated with our renderer process. This should only be
// accessed on the UI thread! Furthermore since this class is refcounted it
// may outlive |profile_|, so make sure to NULL check if in doubt; async
// calls and the like.
Profile* profile_;
// The ActivityLog associated with the given profile. Also only safe to
// access on the UI thread, and may be null.
extensions::ActivityLog* activity_log_;
scoped_refptr<extensions::InfoMap> extension_info_map_;
content::NotificationRegistrar notification_registrar_;
DISALLOW_COPY_AND_ASSIGN(ChromeExtensionMessageFilter);
};
#endif // CHROME_BROWSER_RENDERER_HOST_CHROME_EXTENSION_MESSAGE_FILTER_H_
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