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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/browsing_data_server_bound_cert_helper.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/server_bound_cert_service.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
namespace {
class BrowsingDataServerBoundCertHelperImpl
: public BrowsingDataServerBoundCertHelper {
public:
explicit BrowsingDataServerBoundCertHelperImpl(Profile* profile);
// BrowsingDataServerBoundCertHelper methods.
virtual void StartFetching(const FetchResultCallback& callback) OVERRIDE;
virtual void DeleteServerBoundCert(const std::string& server_id) OVERRIDE;
private:
virtual ~BrowsingDataServerBoundCertHelperImpl();
// Fetch the certs. This must be called in the IO thread.
void FetchOnIOThread();
// Notifies the completion callback. This must be called in the UI thread.
void NotifyInUIThread();
// Delete a single cert. This must be called in IO thread.
void DeleteOnIOThread(const std::string& server_id);
// Access to |server_bound_cert_list_| is triggered indirectly via the UI
// thread and guarded by |is_fetching_|. This means |server_bound_cert_list_|
// is only accessed while |is_fetching_| is true. The flag |is_fetching_| is
// only accessed on the UI thread.
net::ServerBoundCertStore::ServerBoundCertList server_bound_cert_list_;
// Indicates whether or not we're currently fetching information:
// it's true when StartFetching() is called in the UI thread, and it's reset
// after we notify the callback in the UI thread.
// This only mutates on the UI thread.
bool is_fetching_;
scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
// This only mutates on the UI thread.
FetchResultCallback completion_callback_;
DISALLOW_COPY_AND_ASSIGN(BrowsingDataServerBoundCertHelperImpl);
};
BrowsingDataServerBoundCertHelperImpl::
BrowsingDataServerBoundCertHelperImpl(Profile* profile)
: is_fetching_(false),
request_context_getter_(profile->GetRequestContext()) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
}
BrowsingDataServerBoundCertHelperImpl::
~BrowsingDataServerBoundCertHelperImpl() {
}
void BrowsingDataServerBoundCertHelperImpl::StartFetching(
const FetchResultCallback& callback) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
DCHECK(!is_fetching_);
DCHECK(!callback.is_null());
DCHECK(completion_callback_.is_null());
is_fetching_ = true;
completion_callback_ = callback;
content::BrowserThread::PostTask(
content::BrowserThread::IO, FROM_HERE,
base::Bind(&BrowsingDataServerBoundCertHelperImpl::FetchOnIOThread,
this));
}
void BrowsingDataServerBoundCertHelperImpl::DeleteServerBoundCert(
const std::string& server_id) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
content::BrowserThread::PostTask(
content::BrowserThread::IO, FROM_HERE,
base::Bind(&BrowsingDataServerBoundCertHelperImpl::DeleteOnIOThread,
this, server_id));
}
void BrowsingDataServerBoundCertHelperImpl::FetchOnIOThread() {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
net::ServerBoundCertStore* cert_store =
request_context_getter_->GetURLRequestContext()->
server_bound_cert_service()->GetCertStore();
if (cert_store) {
server_bound_cert_list_.clear();
cert_store->GetAllServerBoundCerts(&server_bound_cert_list_);
content::BrowserThread::PostTask(
content::BrowserThread::UI, FROM_HERE,
base::Bind(&BrowsingDataServerBoundCertHelperImpl::NotifyInUIThread,
this));
}
}
void BrowsingDataServerBoundCertHelperImpl::NotifyInUIThread() {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
DCHECK(is_fetching_);
is_fetching_ = false;
completion_callback_.Run(server_bound_cert_list_);
completion_callback_.Reset();
}
void BrowsingDataServerBoundCertHelperImpl::DeleteOnIOThread(
const std::string& server_id) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
net::ServerBoundCertStore* cert_store =
request_context_getter_->GetURLRequestContext()->
server_bound_cert_service()->GetCertStore();
if (cert_store)
cert_store->DeleteServerBoundCert(server_id);
}
} // namespace
// static
BrowsingDataServerBoundCertHelper*
BrowsingDataServerBoundCertHelper::Create(Profile* profile) {
return new BrowsingDataServerBoundCertHelperImpl(profile);
}
CannedBrowsingDataServerBoundCertHelper::
CannedBrowsingDataServerBoundCertHelper() {}
CannedBrowsingDataServerBoundCertHelper::
~CannedBrowsingDataServerBoundCertHelper() {}
CannedBrowsingDataServerBoundCertHelper*
CannedBrowsingDataServerBoundCertHelper::Clone() {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
CannedBrowsingDataServerBoundCertHelper* clone =
new CannedBrowsingDataServerBoundCertHelper();
clone->server_bound_cert_map_ = server_bound_cert_map_;
return clone;
}
void CannedBrowsingDataServerBoundCertHelper::AddServerBoundCert(
const net::ServerBoundCertStore::ServerBoundCert& server_bound_cert) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
server_bound_cert_map_[server_bound_cert.server_identifier()] =
server_bound_cert;
}
void CannedBrowsingDataServerBoundCertHelper::Reset() {
server_bound_cert_map_.clear();
}
bool CannedBrowsingDataServerBoundCertHelper::empty() const {
return server_bound_cert_map_.empty();
}
size_t CannedBrowsingDataServerBoundCertHelper::GetCertCount() const {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
return server_bound_cert_map_.size();
}
void CannedBrowsingDataServerBoundCertHelper::StartFetching(
const FetchResultCallback& callback) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
if (callback.is_null())
return;
// We post a task to emulate async fetching behavior.
completion_callback_ = callback;
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&CannedBrowsingDataServerBoundCertHelper::FinishFetching,
this));
}
void CannedBrowsingDataServerBoundCertHelper::FinishFetching() {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
net::ServerBoundCertStore::ServerBoundCertList cert_list;
for (ServerBoundCertMap::iterator i = server_bound_cert_map_.begin();
i != server_bound_cert_map_.end(); ++i)
cert_list.push_back(i->second);
completion_callback_.Run(cert_list);
}
void CannedBrowsingDataServerBoundCertHelper::DeleteServerBoundCert(
const std::string& server_id) {
NOTREACHED();
}
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