| // Copyright (c) 2012 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_PLUGINS_CHROME_PLUGIN_SERVICE_FILTER_H_ |
| #define CHROME_BROWSER_PLUGINS_CHROME_PLUGIN_SERVICE_FILTER_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "base/files/file_path.h" |
| #include "base/memory/singleton.h" |
| #include "base/synchronization/lock.h" |
| #include "chrome/browser/plugins/plugin_prefs.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/plugin_service_filter.h" |
| #include "content/public/common/webplugininfo.h" |
| #include "url/gurl.h" |
| #include "url/origin.h" |
| |
| class Profile; |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| // This class must be created (by calling the |GetInstance| method) on the UI |
| // thread, but is safe to use on any thread after that. |
| class ChromePluginServiceFilter : public content::PluginServiceFilter, |
| public content::NotificationObserver { |
| public: |
| static ChromePluginServiceFilter* GetInstance(); |
| |
| // This method should be called on the UI thread. |
| void RegisterResourceContext(Profile* profile, const void* context); |
| |
| void UnregisterResourceContext(const void* context); |
| |
| // Overrides the plugin lookup mechanism for a given tab and object URL to use |
| // a specific plugin. |
| void OverridePluginForFrame(int render_process_id, |
| int render_frame_id, |
| const GURL& url, |
| const content::WebPluginInfo& plugin); |
| |
| // Authorizes a given plugin for a given process. |
| void AuthorizePlugin(int render_process_id, |
| const base::FilePath& plugin_path); |
| |
| // Authorizes all plugins for a given WebContents. If |load_blocked| is true, |
| // then the renderer is told to load the plugin with given |identifier| (or |
| // pllugins if |identifier| is empty). |
| // This method can only be called on the UI thread. |
| void AuthorizeAllPlugins(content::WebContents* web_contents, |
| bool load_blocked, |
| const std::string& identifier); |
| |
| // PluginServiceFilter implementation. |
| // If |plugin_content_url| is not available, pass the same URL used to |
| // generate |main_frame_origin|. These parameters may be empty. |
| bool IsPluginAvailable(int render_process_id, |
| int render_frame_id, |
| const void* context, |
| const GURL& plugin_content_url, |
| const url::Origin& main_frame_origin, |
| content::WebPluginInfo* plugin) override; |
| |
| // CanLoadPlugin always grants permission to the browser |
| // (render_process_id == 0) |
| bool CanLoadPlugin(int render_process_id, |
| const base::FilePath& path) override; |
| |
| private: |
| friend struct base::DefaultSingletonTraits<ChromePluginServiceFilter>; |
| struct ContextInfo; |
| |
| struct OverriddenPlugin { |
| OverriddenPlugin(); |
| ~OverriddenPlugin(); |
| |
| int render_frame_id; |
| GURL url; // If empty, the override applies to all urls in render_frame. |
| content::WebPluginInfo plugin; |
| }; |
| |
| struct ProcessDetails { |
| ProcessDetails(); |
| ProcessDetails(const ProcessDetails& other); |
| ~ProcessDetails(); |
| |
| std::vector<OverriddenPlugin> overridden_plugins; |
| std::set<base::FilePath> authorized_plugins; |
| }; |
| |
| ChromePluginServiceFilter(); |
| ~ChromePluginServiceFilter() override; |
| |
| // content::NotificationObserver implementation: |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| ProcessDetails* GetOrRegisterProcess(int render_process_id); |
| const ProcessDetails* GetProcess(int render_process_id) const; |
| |
| content::NotificationRegistrar registrar_; |
| |
| base::Lock lock_; // Guards access to member variables. |
| |
| std::map<const void*, std::unique_ptr<ContextInfo>> resource_context_map_; |
| |
| std::map<int, ProcessDetails> plugin_details_; |
| }; |
| |
| #endif // CHROME_BROWSER_PLUGINS_CHROME_PLUGIN_SERVICE_FILTER_H_ |