// 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 <memory>
#include <string>
#include <vector>

#include "base/deferred_sequenced_task_runner.h"
#include "base/memory/ptr_util.h"
#include "base/memory/ref_counted.h"
#include "base/run_loop.h"
#include "base/threading/thread.h"
#include "net/base/request_priority.h"
#include "net/cert/ct_policy_enforcer.h"
#include "net/cert/mock_cert_verifier.h"
#include "net/cert/multi_log_ct_verifier.h"
#include "net/dns/mock_host_resolver.h"
#include "net/http/http_auth_handler_mock.h"
#include "net/http/http_network_session.h"
#include "net/http/http_network_transaction.h"
#include "net/http/http_request_info.h"
#include "net/http/http_server_properties_impl.h"
#include "net/http/transport_security_state.h"
#include "net/log/net_log_with_source.h"
#include "net/proxy_resolution/proxy_resolution_service.h"
#include "net/socket/socket_test_util.h"
#include "net/ssl/default_channel_id_store.h"
#include "net/test/gtest_util.h"
#include "net/test/test_with_scoped_task_environment.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using net::test::IsError;
using net::test::IsOk;

namespace net {

namespace {

class ChannelIDSSLConfigService : public SSLConfigService {
 public:
  ~ChannelIDSSLConfigService() override = default;

  void GetSSLConfig(SSLConfig* config) override { *config = ssl_config_; }

  bool CanShareConnectionWithClientCerts(
      const std::string& hostname) const override {
    return false;
  }

 private:
  SSLConfig ssl_config_;
};

}  // namespace

class HttpNetworkTransactionSSLTest : public TestWithScopedTaskEnvironment {
 protected:
  HttpNetworkTransactionSSLTest() = default;

  void SetUp() override {
    ssl_config_service_.reset(new ChannelIDSSLConfigService);
    session_context_.ssl_config_service = ssl_config_service_.get();

    auth_handler_factory_.reset(new HttpAuthHandlerMock::Factory());
    session_context_.http_auth_handler_factory = auth_handler_factory_.get();

    proxy_resolution_service_ = ProxyResolutionService::CreateDirect();
    session_context_.proxy_resolution_service =
        proxy_resolution_service_.get();

    session_context_.client_socket_factory = &mock_socket_factory_;
    session_context_.host_resolver = &mock_resolver_;
    session_context_.http_server_properties = &http_server_properties_;
    session_context_.cert_verifier = &cert_verifier_;
    session_context_.transport_security_state = &transport_security_state_;
    session_context_.cert_transparency_verifier = &ct_verifier_;
    session_context_.ct_policy_enforcer = &ct_policy_enforcer_;
  }

  HttpRequestInfo* GetRequestInfo(const std::string& url) {
    HttpRequestInfo* request_info = new HttpRequestInfo;
    request_info->url = GURL(url);
    request_info->method = "GET";
    request_info->traffic_annotation =
        net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS);
    request_info_vector_.push_back(base::WrapUnique(request_info));
    return request_info;
  }

  std::unique_ptr<SSLConfigService> ssl_config_service_;
  std::unique_ptr<HttpAuthHandlerMock::Factory> auth_handler_factory_;
  std::unique_ptr<ProxyResolutionService> proxy_resolution_service_;

  MockClientSocketFactory mock_socket_factory_;
  MockHostResolver mock_resolver_;
  HttpServerPropertiesImpl http_server_properties_;
  MockCertVerifier cert_verifier_;
  TransportSecurityState transport_security_state_;
  MultiLogCTVerifier ct_verifier_;
  DefaultCTPolicyEnforcer ct_policy_enforcer_;
  HttpNetworkSession::Context session_context_;
  std::vector<std::unique_ptr<HttpRequestInfo>> request_info_vector_;
};

TEST_F(HttpNetworkTransactionSSLTest, ChannelID) {
  ChannelIDService channel_id_service(new DefaultChannelIDStore(NULL));
  session_context_.channel_id_service = &channel_id_service;

  HttpNetworkSession::Params params;
  params.enable_channel_id = true;
  HttpNetworkSession session(params, session_context_);

  HttpNetworkTransaction trans(DEFAULT_PRIORITY, &session);
  TestCompletionCallback callback;
  EXPECT_EQ(ERR_IO_PENDING,
            trans.Start(GetRequestInfo("https://example.com"),
                        callback.callback(), NetLogWithSource()));

  EXPECT_TRUE(trans.server_ssl_config_.channel_id_enabled);
}

}  // namespace net