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// Copyright 2013 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/chromeos/net/client_cert_store_chromeos.h"
#include <cert.h>
#include <algorithm>
#include <utility>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/location.h"
#include "base/threading/worker_pool.h"
#include "chrome/browser/chromeos/certificate_provider/certificate_provider.h"
#include "crypto/nss_crypto_module_delegate.h"
#include "net/ssl/ssl_cert_request_info.h"
namespace chromeos {
namespace {
class CertNotAllowedPredicate {
public:
explicit CertNotAllowedPredicate(
const ClientCertStoreChromeOS::CertFilter* filter)
: filter_(filter) {}
bool operator()(const scoped_refptr<net::X509Certificate>& cert) const {
return !filter_->IsCertAllowed(cert);
}
private:
const ClientCertStoreChromeOS::CertFilter* const filter_;
};
} // namespace
ClientCertStoreChromeOS::ClientCertStoreChromeOS(
scoped_ptr<CertificateProvider> cert_provider,
scoped_ptr<CertFilter> cert_filter,
const PasswordDelegateFactory& password_delegate_factory)
: cert_provider_(std::move(cert_provider)),
cert_filter_(std::move(cert_filter)) {}
ClientCertStoreChromeOS::~ClientCertStoreChromeOS() {}
void ClientCertStoreChromeOS::GetClientCerts(
const net::SSLCertRequestInfo& cert_request_info,
net::CertificateList* selected_certs,
const base::Closure& callback) {
// Caller is responsible for keeping the ClientCertStore alive until the
// callback is run.
base::Callback<void(const net::CertificateList&)>
get_platform_certs_and_filter = base::Bind(
&ClientCertStoreChromeOS::GotAdditionalCerts, base::Unretained(this),
&cert_request_info, selected_certs, callback);
base::Closure get_additional_certs_and_continue;
if (cert_provider_) {
get_additional_certs_and_continue = base::Bind(
&CertificateProvider::GetCertificates,
base::Unretained(cert_provider_.get()), get_platform_certs_and_filter);
} else {
get_additional_certs_and_continue =
base::Bind(get_platform_certs_and_filter, net::CertificateList());
}
if (cert_filter_->Init(get_additional_certs_and_continue))
get_additional_certs_and_continue.Run();
}
void ClientCertStoreChromeOS::GotAdditionalCerts(
const net::SSLCertRequestInfo* request,
net::CertificateList* selected_certs,
const base::Closure& callback,
const net::CertificateList& additional_certs) {
scoped_ptr<crypto::CryptoModuleBlockingPasswordDelegate> password_delegate;
if (!password_delegate_factory_.is_null()) {
password_delegate.reset(
password_delegate_factory_.Run(request->host_and_port));
}
if (base::WorkerPool::PostTaskAndReply(
FROM_HERE,
base::Bind(&ClientCertStoreChromeOS::GetAndFilterCertsOnWorkerThread,
base::Unretained(this), base::Passed(&password_delegate),
request, additional_certs, selected_certs),
callback, true)) {
return;
}
// If the task could not be posted, behave as if there were no certificates
// which requires to clear |selected_certs|.
selected_certs->clear();
callback.Run();
}
void ClientCertStoreChromeOS::GetAndFilterCertsOnWorkerThread(
scoped_ptr<crypto::CryptoModuleBlockingPasswordDelegate> password_delegate,
const net::SSLCertRequestInfo* request,
const net::CertificateList& additional_certs,
net::CertificateList* selected_certs) {
net::CertificateList unfiltered_certs;
net::ClientCertStoreNSS::GetPlatformCertsOnWorkerThread(
std::move(password_delegate), &unfiltered_certs);
unfiltered_certs.erase(
std::remove_if(unfiltered_certs.begin(), unfiltered_certs.end(),
CertNotAllowedPredicate(cert_filter_.get())),
unfiltered_certs.end());
unfiltered_certs.insert(unfiltered_certs.end(), additional_certs.begin(),
additional_certs.end());
net::ClientCertStoreNSS::FilterCertsOnWorkerThread(unfiltered_certs, *request,
true, selected_certs);
}
} // namespace chromeos
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