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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/extensions/updater/safe_manifest_parser.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/command_line.h" | |
| 9 #include "base/location.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "chrome/common/extensions/chrome_utility_extensions_messages.h" | |
| 12 #include "content/public/browser/browser_thread.h" | |
| 13 #include "content/public/browser/utility_process_host.h" | |
| 14 #include "content/public/common/content_switches.h" | |
| 15 #include "ipc/ipc_message_macros.h" | |
| 16 | |
| 17 using content::BrowserThread; | |
| 18 | |
| 19 namespace extensions { | |
| 20 | |
| 21 SafeManifestParser::SafeManifestParser(const std::string& xml, | |
| 22 ManifestFetchData* fetch_data, | |
| 23 const UpdateCallback& update_callback) | |
| 24 : xml_(xml), | |
| 25 fetch_data_(fetch_data), | |
| 26 update_callback_(update_callback) { | |
| 27 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 28 } | |
| 29 | |
| 30 void SafeManifestParser::Start() { | |
| 31 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 32 if (!BrowserThread::PostTask( | |
| 33 BrowserThread::IO, FROM_HERE, | |
| 34 base::Bind(&SafeManifestParser::ParseInSandbox, this))) { | |
| 35 NOTREACHED(); | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 SafeManifestParser::~SafeManifestParser() { | |
| 40 // If we're using UtilityProcessHost, we may not be destroyed on | |
| 41 // the UI or IO thread. | |
| 42 } | |
| 43 | |
| 44 void SafeManifestParser::ParseInSandbox() { | |
| 45 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 46 | |
| 47 content::UtilityProcessHost* host = content::UtilityProcessHost::Create( | |
| 48 this, | |
| 49 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI).get()); | |
| 50 host->Send(new ChromeUtilityMsg_ParseUpdateManifest(xml_)); | |
| 51 } | |
| 52 | |
| 53 bool SafeManifestParser::OnMessageReceived(const IPC::Message& message) { | |
| 54 bool handled = true; | |
| 55 IPC_BEGIN_MESSAGE_MAP(SafeManifestParser, message) | |
| 56 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded, | |
| 57 OnParseUpdateManifestSucceeded) | |
| 58 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ParseUpdateManifest_Failed, | |
| 59 OnParseUpdateManifestFailed) | |
| 60 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 61 IPC_END_MESSAGE_MAP() | |
| 62 return handled; | |
| 63 } | |
| 64 | |
| 65 void SafeManifestParser::OnParseUpdateManifestSucceeded( | |
| 66 const UpdateManifest::Results& results) { | |
| 67 VLOG(2) << "parsing manifest succeeded (" << fetch_data_->full_url() << ")"; | |
| 68 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 69 update_callback_.Run(*fetch_data_, &results); | |
| 70 } | |
| 71 | |
| 72 void SafeManifestParser::OnParseUpdateManifestFailed( | |
| 73 const std::string& error_message) { | |
| 74 VLOG(2) << "parsing manifest failed (" << fetch_data_->full_url() << ")"; | |
| 75 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 76 LOG(WARNING) << "Error parsing update manifest:\n" << error_message; | |
| 77 update_callback_.Run(*fetch_data_, NULL); | |
| 78 } | |
| 79 | |
| 80 } // namespace extensions | |
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