1 files changed, 80 insertions, 0 deletions
diff --git a/chromium/extensions/browser/updater/safe_manifest_parser.cc b/chromium/extensions/browser/updater/safe_manifest_parser.cc
new file mode 100644
index 00000000000..05c75a95596
--- /dev/null
+++ b/chromium/extensions/browser/updater/safe_manifest_parser.cc
@@ -0,0 +1,80 @@
+// 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.
+
+#include "extensions/browser/updater/safe_manifest_parser.h"
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/utility_process_host.h"
+#include "content/public/common/content_switches.h"
+#include "extensions/common/extension_utility_messages.h"
+#include "ipc/ipc_message_macros.h"
+#include "grit/extensions_strings.h"
+#include "ui/base/l10n/l10n_util.h"
+
+using content::BrowserThread;
+
+namespace extensions {
+
+SafeManifestParser::SafeManifestParser(const std::string& xml,
+                                       const ResultsCallback& results_callback)
+    : xml_(xml), results_callback_(results_callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+}
+
+void SafeManifestParser::Start() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  if (!BrowserThread::PostTask(
+          BrowserThread::IO,
+          FROM_HERE,
+          base::Bind(&SafeManifestParser::ParseInSandbox, this))) {
+    NOTREACHED();
+  }
+}
+
+SafeManifestParser::~SafeManifestParser() {
+  // If we're using UtilityProcessHost, we may not be destroyed on
+  // the UI or IO thread.
+}
+
+void SafeManifestParser::ParseInSandbox() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  content::UtilityProcessHost* host = content::UtilityProcessHost::Create(
+      this,
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI).get());
+  host->SetName(
+      l10n_util::GetStringUTF16(IDS_UTILITY_PROCESS_MANIFEST_PARSER_NAME));
+  host->Send(new ExtensionUtilityMsg_ParseUpdateManifest(xml_));
+}
+
+bool SafeManifestParser::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(SafeManifestParser, message)
+    IPC_MESSAGE_HANDLER(ExtensionUtilityHostMsg_ParseUpdateManifest_Succeeded,
+                        OnParseUpdateManifestSucceeded)
+    IPC_MESSAGE_HANDLER(ExtensionUtilityHostMsg_ParseUpdateManifest_Failed,
+                        OnParseUpdateManifestFailed)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void SafeManifestParser::OnParseUpdateManifestSucceeded(
+    const UpdateManifest::Results& results) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  results_callback_.Run(&results);
+}
+
+void SafeManifestParser::OnParseUpdateManifestFailed(
+    const std::string& error_message) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  LOG(WARNING) << "Error parsing update manifest:\n" << error_message;
+  results_callback_.Run(NULL);
+}
+
+}  // namespace extensions