| // 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_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_ |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/extensions/updater/manifest_fetch_data.h" |
| #include "chrome/common/extensions/update_manifest.h" |
| #include "content/public/browser/utility_process_host_client.h" |
| |
| namespace extensions { |
| |
| // Utility class to handle doing xml parsing in a sandboxed utility process. |
| class SafeManifestParser : public content::UtilityProcessHostClient { |
| public: |
| // Callback that is invoked when the manifest results are ready. |
| typedef base::Callback<void(const ManifestFetchData&, |
| const UpdateManifest::Results*)> UpdateCallback; |
| |
| // Takes ownership of |fetch_data|. |
| SafeManifestParser(const std::string& xml, |
| ManifestFetchData* fetch_data, |
| const UpdateCallback& update_callback); |
| |
| // Posts a task over to the IO loop to start the parsing of xml_ in a |
| // utility process. |
| void Start(); |
| |
| private: |
| virtual ~SafeManifestParser(); |
| |
| // Creates the sandboxed utility process and tells it to start parsing. |
| void ParseInSandbox(); |
| |
| // content::UtilityProcessHostClient implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| |
| void OnParseUpdateManifestSucceeded(const UpdateManifest::Results& results); |
| void OnParseUpdateManifestFailed(const std::string& error_message); |
| |
| const std::string xml_; |
| |
| // Should be accessed only on UI thread. |
| scoped_ptr<ManifestFetchData> fetch_data_; |
| UpdateCallback update_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SafeManifestParser); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_ |