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// Copyright (c) 2011 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 "chrome/browser/extensions/extension_data_deleter.h"
#include "base/file_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/extensions/extension.h"
#include "content/browser/appcache/chrome_appcache_service.h"
#include "content/browser/in_process_webkit/webkit_context.h"
#include "content/common/url_constants.h"
#include "net/base/cookie_monster.h"
#include "net/base/net_errors.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
#include "webkit/database/database_tracker.h"
#include "webkit/database/database_util.h"
#include "webkit/fileapi/file_system_context.h"
ExtensionDataDeleter::ExtensionDataDeleter(Profile* profile,
const std::string& extension_id,
const GURL& storage_origin,
bool is_storage_isolated) {
DCHECK(profile);
appcache_service_ = profile->GetAppCacheService();
webkit_context_ = profile->GetWebKitContext();
database_tracker_ = profile->GetDatabaseTracker();
// Pick the right request context depending on whether it's an extension,
// isolated app, or regular app.
if (storage_origin.SchemeIs(chrome::kExtensionScheme)) {
extension_request_context_ = profile->GetRequestContextForExtensions();
} else if (is_storage_isolated) {
extension_request_context_ =
profile->GetRequestContextForIsolatedApp(extension_id);
isolated_app_path_ = profile->GetPath().
Append(chrome::kIsolatedAppStateDirname).AppendASCII(extension_id);
} else {
extension_request_context_ = profile->GetRequestContext();
}
file_system_context_ = profile->GetFileSystemContext();
storage_origin_ = storage_origin;
origin_id_ =
webkit_database::DatabaseUtil::GetOriginIdentifier(storage_origin_);
}
ExtensionDataDeleter::~ExtensionDataDeleter() {
}
void ExtensionDataDeleter::StartDeleting() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
NewRunnableMethod(this, &ExtensionDataDeleter::DeleteCookiesOnIOThread));
BrowserThread::PostTask(
BrowserThread::WEBKIT, FROM_HERE,
NewRunnableMethod(
this, &ExtensionDataDeleter::DeleteLocalStorageOnWebkitThread));
BrowserThread::PostTask(
BrowserThread::WEBKIT, FROM_HERE,
NewRunnableMethod(
this, &ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread));
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
NewRunnableMethod(
this, &ExtensionDataDeleter::DeleteDatabaseOnFileThread));
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
NewRunnableMethod(
this, &ExtensionDataDeleter::DeleteFileSystemOnFileThread));
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
NewRunnableMethod(
this, &ExtensionDataDeleter::DeleteAppcachesOnIOThread));
}
void ExtensionDataDeleter::DeleteCookiesOnIOThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
net::CookieMonster* cookie_monster =
extension_request_context_->GetURLRequestContext()->cookie_store()->
GetCookieMonster();
if (cookie_monster)
cookie_monster->DeleteAllForHostAsync(
storage_origin_, net::CookieMonster::DeleteCallback());
}
void ExtensionDataDeleter::DeleteDatabaseOnFileThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
int rv = database_tracker_->DeleteDataForOrigin(origin_id_, NULL);
DCHECK(rv == net::OK || rv == net::ERR_IO_PENDING);
}
void ExtensionDataDeleter::DeleteLocalStorageOnWebkitThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
webkit_context_->dom_storage_context()->DeleteLocalStorageForOrigin(
origin_id_);
}
void ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
webkit_context_->indexed_db_context()->DeleteIndexedDBForOrigin(
storage_origin_);
}
void ExtensionDataDeleter::DeleteFileSystemOnFileThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
file_system_context_->DeleteDataForOriginOnFileThread(storage_origin_);
// TODO(creis): The following call fails because the request context is still
// around, and holding open file handles in this directory.
// See http://crbug.com/85127
if (!isolated_app_path_.empty())
file_util::Delete(isolated_app_path_, true);
}
void ExtensionDataDeleter::DeleteAppcachesOnIOThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
appcache_service_->DeleteAppCachesForOrigin(storage_origin_, NULL);
}
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