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// 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
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