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// Copyright 2014 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/platform_keys/platform_keys.h"
#include <map>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/location.h"
#include "base/threading/worker_pool.h"
#include "net/base/hash_value.h"
#include "net/cert/x509_certificate.h"
namespace chromeos {
namespace platform_keys {
namespace {
void IntersectOnWorkerThread(const net::CertificateList& certs1,
const net::CertificateList& certs2,
net::CertificateList* intersection) {
std::map<net::SHA256HashValue, scoped_refptr<net::X509Certificate>,
net::SHA256HashValueLessThan> fingerprints2;
// Fill the map with fingerprints of certs from |certs2|.
for (const auto& cert2 : certs2) {
fingerprints2[net::X509Certificate::CalculateFingerprint256(
cert2->os_cert_handle())] = cert2;
}
// Compare each cert from |certs1| with the entries of the map.
for (const auto& cert1 : certs1) {
const net::SHA256HashValue fingerprint1 =
net::X509Certificate::CalculateFingerprint256(cert1->os_cert_handle());
const auto it = fingerprints2.find(fingerprint1);
if (it == fingerprints2.end())
continue;
const auto& cert2 = it->second;
DCHECK(cert1->Equals(cert2.get()));
intersection->push_back(cert1);
}
}
} // namespace
const char kTokenIdUser[] = "user";
const char kTokenIdSystem[] = "system";
ClientCertificateRequest::ClientCertificateRequest() {
}
ClientCertificateRequest::~ClientCertificateRequest() {
}
void IntersectCertificates(
const net::CertificateList& certs1,
const net::CertificateList& certs2,
const base::Callback<void(scoped_ptr<net::CertificateList>)>& callback) {
scoped_ptr<net::CertificateList> intersection(new net::CertificateList);
net::CertificateList* const intersection_ptr = intersection.get();
if (!base::WorkerPool::PostTaskAndReply(
FROM_HERE, base::Bind(&IntersectOnWorkerThread, certs1, certs2,
intersection_ptr),
base::Bind(callback, base::Passed(&intersection)),
false /* task_is_slow */)) {
callback.Run(make_scoped_ptr(new net::CertificateList));
}
}
} // namespace platform_keys
} // namespace chromeos
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