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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 "chrome/browser/extensions/data_deleter.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/settings/settings_frontend.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/dom_storage_context.h"
#include "content/public/browser/indexed_db_context.h"
#include "content/public/browser/storage_partition.h"
#include "net/base/completion_callback.h"
#include "net/base/net_errors.h"
#include "net/cookies/cookie_monster.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
#include "webkit/appcache/appcache_service.h"
#include "webkit/database/database_tracker.h"
#include "webkit/database/database_util.h"
#include "webkit/fileapi/file_system_context.h"
using content::BrowserContext;
using content::BrowserThread;
using content::DOMStorageContext;
using content::IndexedDBContext;
namespace extensions {
// static
void DataDeleter::StartDeleting(Profile* profile,
const std::string& extension_id,
const GURL& storage_origin,
bool is_storage_isolated) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(profile);
scoped_refptr<DataDeleter> deleter = new DataDeleter(
profile, extension_id, storage_origin, is_storage_isolated);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DataDeleter::DeleteCookiesOnIOThread, deleter));
content::BrowserContext::GetDefaultStoragePartition(profile)->
GetDOMStorageContext()->DeleteOrigin(storage_origin);
BrowserThread::PostTask(
BrowserThread::WEBKIT_DEPRECATED, FROM_HERE,
base::Bind(
&DataDeleter::DeleteIndexedDBOnWebkitThread,
deleter,
make_scoped_refptr(BrowserContext::GetIndexedDBContext(profile))));
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&DataDeleter::DeleteDatabaseOnFileThread, deleter));
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&DataDeleter::DeleteFileSystemOnFileThread, deleter));
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DataDeleter::DeleteAppcachesOnIOThread,
deleter,
BrowserContext::GetDefaultStoragePartition(profile)->
GetAppCacheService()));
profile->GetExtensionService()->settings_frontend()->
DeleteStorageSoon(extension_id);
}
DataDeleter::DataDeleter(
Profile* profile,
const std::string& extension_id,
const GURL& storage_origin,
bool is_storage_isolated)
: extension_id_(extension_id) {
// TODO(michaeln): Delete from the right StoragePartition.
// http://crbug.com/85127
database_tracker_ = BrowserContext::GetDefaultStoragePartition(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_ = BrowserContext::GetFileSystemContext(profile);
storage_origin_ = storage_origin;
origin_id_ =
webkit_database::DatabaseUtil::GetOriginIdentifier(storage_origin_);
}
DataDeleter::~DataDeleter() {
}
void DataDeleter::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 DataDeleter::DeleteDatabaseOnFileThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
int rv = database_tracker_->DeleteDataForOrigin(
origin_id_, net::CompletionCallback());
DCHECK(rv == net::OK || rv == net::ERR_IO_PENDING);
}
void DataDeleter::DeleteIndexedDBOnWebkitThread(
scoped_refptr<IndexedDBContext> indexed_db_context) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT_DEPRECATED));
indexed_db_context->DeleteForOrigin(storage_origin_);
}
void DataDeleter::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 DataDeleter::DeleteAppcachesOnIOThread(
appcache::AppCacheService* appcache_service) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
appcache_service->DeleteAppCachesForOrigin(storage_origin_,
net::CompletionCallback());
}
} // namespace extensions
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