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      1 // Copyright (c) 2011 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/extension_data_deleter.h"
      6 
      7 #include "chrome/browser/profiles/profile.h"
      8 #include "chrome/common/extensions/extension.h"
      9 #include "content/browser/in_process_webkit/webkit_context.h"
     10 #include "net/base/cookie_monster.h"
     11 #include "net/base/net_errors.h"
     12 #include "net/url_request/url_request_context.h"
     13 #include "net/url_request/url_request_context_getter.h"
     14 #include "webkit/database/database_tracker.h"
     15 #include "webkit/database/database_util.h"
     16 #include "webkit/fileapi/file_system_context.h"
     17 
     18 ExtensionDataDeleter::ExtensionDataDeleter(Profile* profile,
     19                                            const GURL& extension_url) {
     20   DCHECK(profile);
     21   webkit_context_ = profile->GetWebKitContext();
     22   database_tracker_ = profile->GetDatabaseTracker();
     23   extension_request_context_ = profile->GetRequestContextForExtensions();
     24   file_system_context_ = profile->GetFileSystemContext();
     25   extension_url_ = extension_url;
     26   origin_id_ =
     27       webkit_database::DatabaseUtil::GetOriginIdentifier(extension_url_);
     28 }
     29 
     30 ExtensionDataDeleter::~ExtensionDataDeleter() {
     31 }
     32 
     33 void ExtensionDataDeleter::StartDeleting() {
     34   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     35 
     36   BrowserThread::PostTask(
     37       BrowserThread::IO, FROM_HERE,
     38       NewRunnableMethod(this, &ExtensionDataDeleter::DeleteCookiesOnIOThread));
     39 
     40   BrowserThread::PostTask(
     41       BrowserThread::WEBKIT, FROM_HERE,
     42       NewRunnableMethod(
     43           this, &ExtensionDataDeleter::DeleteLocalStorageOnWebkitThread));
     44 
     45   BrowserThread::PostTask(
     46       BrowserThread::WEBKIT, FROM_HERE,
     47       NewRunnableMethod(
     48           this, &ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread));
     49 
     50   BrowserThread::PostTask(
     51       BrowserThread::FILE, FROM_HERE,
     52       NewRunnableMethod(
     53           this, &ExtensionDataDeleter::DeleteDatabaseOnFileThread));
     54 
     55   BrowserThread::PostTask(
     56       BrowserThread::FILE, FROM_HERE,
     57       NewRunnableMethod(
     58           this, &ExtensionDataDeleter::DeleteFileSystemOnFileThread));
     59 }
     60 
     61 void ExtensionDataDeleter::DeleteCookiesOnIOThread() {
     62   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     63   net::CookieMonster* cookie_monster =
     64       extension_request_context_->GetURLRequestContext()->cookie_store()->
     65       GetCookieMonster();
     66   if (cookie_monster)
     67     cookie_monster->DeleteAllForHost(extension_url_);
     68 }
     69 
     70 void ExtensionDataDeleter::DeleteDatabaseOnFileThread() {
     71   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
     72   int rv = database_tracker_->DeleteDataForOrigin(origin_id_, NULL);
     73   DCHECK(rv == net::OK || rv == net::ERR_IO_PENDING);
     74 }
     75 
     76 void ExtensionDataDeleter::DeleteLocalStorageOnWebkitThread() {
     77   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
     78   webkit_context_->dom_storage_context()->DeleteLocalStorageForOrigin(
     79       origin_id_);
     80 }
     81 
     82 void ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread() {
     83   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
     84   webkit_context_->indexed_db_context()->DeleteIndexedDBForOrigin(origin_id_);
     85 }
     86 
     87 void ExtensionDataDeleter::DeleteFileSystemOnFileThread() {
     88   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
     89   file_system_context_->DeleteDataForOriginOnFileThread(extension_url_);
     90 }
     91