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80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/ssl/ssl_platform_key_util.h"
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#include "base/lazy_instance.h"
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#include "base/logging.h"
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#include "base/macros.h"
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#include "base/strings/string_piece.h"
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#include "base/threading/thread.h"
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#include "crypto/openssl_util.h"
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#include "net/cert/asn1_util.h"
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#include "net/cert/x509_certificate.h"
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#include "third_party/boringssl/src/include/openssl/bytestring.h"
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#include "third_party/boringssl/src/include/openssl/ec_key.h"
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#include "third_party/boringssl/src/include/openssl/evp.h"
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namespace net {
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namespace {
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class SSLPlatformKeyTaskRunner {
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public:
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SSLPlatformKeyTaskRunner() : worker_thread_("Platform Key Thread") {
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base::Thread::Options options;
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options.joinable = false;
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worker_thread_.StartWithOptions(options);
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}
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~SSLPlatformKeyTaskRunner() {}
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scoped_refptr<base::SingleThreadTaskRunner> task_runner() {
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return worker_thread_.task_runner();
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}
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private:
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base::Thread worker_thread_;
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DISALLOW_COPY_AND_ASSIGN(SSLPlatformKeyTaskRunner);
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};
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base::LazyInstance<SSLPlatformKeyTaskRunner>::Leaky g_platform_key_task_runner =
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LAZY_INSTANCE_INITIALIZER;
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} // namespace
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scoped_refptr<base::SingleThreadTaskRunner> GetSSLPlatformKeyTaskRunner() {
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return g_platform_key_task_runner.Get().task_runner();
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}
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bool GetClientCertInfo(const X509Certificate* certificate,
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int* out_type,
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size_t* out_max_length) {
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crypto::OpenSSLErrStackTracer tracker(FROM_HERE);
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std::string der_encoded;
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base::StringPiece spki;
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if (!X509Certificate::GetDEREncoded(certificate->os_cert_handle(),
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&der_encoded) ||
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!asn1::ExtractSPKIFromDERCert(der_encoded, &spki)) {
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LOG(ERROR) << "Could not extract SPKI from certificate.";
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return false;
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}
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CBS cbs;
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CBS_init(&cbs, reinterpret_cast<const uint8_t*>(spki.data()), spki.size());
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bssl::UniquePtr<EVP_PKEY> key(EVP_parse_public_key(&cbs));
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if (!key || CBS_len(&cbs) != 0) {
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LOG(ERROR) << "Could not parse public key.";
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return false;
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}
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*out_type = EVP_PKEY_id(key.get());
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*out_max_length = EVP_PKEY_size(key.get());
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return true;
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}
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} // namespace net
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