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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/browsing_data_local_storage_helper.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/profiles/profile.h"
#include "content/browser/in_process_webkit/webkit_context.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebCString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
#include "webkit/glue/webkit_glue.h"
using content::BrowserThread;
using WebKit::WebSecurityOrigin;
BrowsingDataLocalStorageHelper::LocalStorageInfo::LocalStorageInfo()
: port(0),
size(0) {
}
BrowsingDataLocalStorageHelper::LocalStorageInfo::LocalStorageInfo(
const std::string& protocol,
const std::string& host,
unsigned short port,
const std::string& database_identifier,
const std::string& origin,
const FilePath& file_path,
int64 size,
base::Time last_modified)
: protocol(protocol),
host(host),
port(port),
database_identifier(database_identifier),
origin(origin),
file_path(file_path),
size(size),
last_modified(last_modified) {
}
BrowsingDataLocalStorageHelper::LocalStorageInfo::~LocalStorageInfo() {}
BrowsingDataLocalStorageHelper::BrowsingDataLocalStorageHelper(
Profile* profile)
: profile_(profile),
is_fetching_(false) {
DCHECK(profile_);
}
BrowsingDataLocalStorageHelper::~BrowsingDataLocalStorageHelper() {
}
void BrowsingDataLocalStorageHelper::StartFetching(
const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(!is_fetching_);
DCHECK_EQ(false, callback.is_null());
is_fetching_ = true;
completion_callback_ = callback;
BrowserThread::PostTask(
BrowserThread::WEBKIT, FROM_HERE,
base::Bind(
&BrowsingDataLocalStorageHelper::FetchLocalStorageInfoInWebKitThread,
this));
}
void BrowsingDataLocalStorageHelper::CancelNotification() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
completion_callback_.Reset();
}
void BrowsingDataLocalStorageHelper::DeleteLocalStorageFile(
const FilePath& file_path) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
BrowserThread::PostTask(
BrowserThread::WEBKIT, FROM_HERE,
base::Bind(
&BrowsingDataLocalStorageHelper::DeleteLocalStorageFileInWebKitThread,
this, file_path));
}
void BrowsingDataLocalStorageHelper::FetchLocalStorageInfoInWebKitThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
file_util::FileEnumerator file_enumerator(
profile_->GetWebKitContext()->data_path().Append(
DOMStorageContext::kLocalStorageDirectory),
false, file_util::FileEnumerator::FILES);
for (FilePath file_path = file_enumerator.Next(); !file_path.empty();
file_path = file_enumerator.Next()) {
if (file_path.Extension() == DOMStorageContext::kLocalStorageExtension) {
WebSecurityOrigin web_security_origin =
WebSecurityOrigin::createFromDatabaseIdentifier(
webkit_glue::FilePathToWebString(file_path.BaseName()));
if (EqualsASCII(web_security_origin.protocol(),
chrome::kExtensionScheme)) {
// Extension state is not considered browsing data.
continue;
}
base::PlatformFileInfo file_info;
bool ret = file_util::GetFileInfo(file_path, &file_info);
if (ret) {
local_storage_info_.push_back(LocalStorageInfo(
web_security_origin.protocol().utf8(),
web_security_origin.host().utf8(),
web_security_origin.port(),
web_security_origin.databaseIdentifier().utf8(),
web_security_origin.toString().utf8(),
file_path,
file_info.size,
file_info.last_modified));
}
}
}
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&BrowsingDataLocalStorageHelper::NotifyInUIThread, this));
}
void BrowsingDataLocalStorageHelper::NotifyInUIThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(is_fetching_);
// Note: completion_callback_ mutates only in the UI thread, so it's safe to
// test it here.
if (!completion_callback_.is_null()) {
completion_callback_.Run(local_storage_info_);
completion_callback_.Reset();
}
is_fetching_ = false;
}
void BrowsingDataLocalStorageHelper::DeleteLocalStorageFileInWebKitThread(
const FilePath& file_path) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
profile_->GetWebKitContext()->dom_storage_context()->DeleteLocalStorageFile(
file_path);
}
CannedBrowsingDataLocalStorageHelper::CannedBrowsingDataLocalStorageHelper(
Profile* profile)
: BrowsingDataLocalStorageHelper(profile),
profile_(profile) {
}
CannedBrowsingDataLocalStorageHelper*
CannedBrowsingDataLocalStorageHelper::Clone() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CannedBrowsingDataLocalStorageHelper* clone =
new CannedBrowsingDataLocalStorageHelper(profile_);
base::AutoLock auto_lock(lock_);
clone->pending_local_storage_info_ = pending_local_storage_info_;
clone->local_storage_info_ = local_storage_info_;
return clone;
}
void CannedBrowsingDataLocalStorageHelper::AddLocalStorage(
const GURL& origin) {
base::AutoLock auto_lock(lock_);
pending_local_storage_info_.insert(origin);
}
void CannedBrowsingDataLocalStorageHelper::Reset() {
base::AutoLock auto_lock(lock_);
local_storage_info_.clear();
pending_local_storage_info_.clear();
}
bool CannedBrowsingDataLocalStorageHelper::empty() const {
base::AutoLock auto_lock(lock_);
return local_storage_info_.empty() && pending_local_storage_info_.empty();
}
void CannedBrowsingDataLocalStorageHelper::StartFetching(
const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(!is_fetching_);
DCHECK_EQ(false, callback.is_null());
is_fetching_ = true;
completion_callback_ = callback;
BrowserThread::PostTask(
BrowserThread::WEBKIT, FROM_HERE,
base::Bind(&CannedBrowsingDataLocalStorageHelper::
ConvertPendingInfoInWebKitThread, this));
}
CannedBrowsingDataLocalStorageHelper::~CannedBrowsingDataLocalStorageHelper() {}
void CannedBrowsingDataLocalStorageHelper::ConvertPendingInfoInWebKitThread() {
base::AutoLock auto_lock(lock_);
for (std::set<GURL>::iterator info = pending_local_storage_info_.begin();
info != pending_local_storage_info_.end(); ++info) {
WebSecurityOrigin web_security_origin =
WebSecurityOrigin::createFromString(
UTF8ToUTF16(info->spec()));
std::string security_origin(web_security_origin.toString().utf8());
bool duplicate = false;
for (std::list<LocalStorageInfo>::iterator
local_storage = local_storage_info_.begin();
local_storage != local_storage_info_.end(); ++local_storage) {
if (local_storage->origin == security_origin) {
duplicate = true;
break;
}
}
if (duplicate)
continue;
local_storage_info_.push_back(LocalStorageInfo(
web_security_origin.protocol().utf8(),
web_security_origin.host().utf8(),
web_security_origin.port(),
web_security_origin.databaseIdentifier().utf8(),
security_origin,
profile_->GetWebKitContext()->dom_storage_context()->
GetLocalStorageFilePath(web_security_origin.databaseIdentifier()),
0,
base::Time()));
}
pending_local_storage_info_.clear();
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&CannedBrowsingDataLocalStorageHelper::NotifyInUIThread,
this));
}
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