remoting/protocol/authenticator_test_base.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "remoting/protocol/authenticator_test_base.h"
   6
   7 #include "base/base64.h"
   8 #include "base/files/file_path.h"
   9 #include "base/files/file_util.h"
  10 #include "base/test/test_timeouts.h"
  11 #include "base/timer/timer.h"
  12 #include "net/base/net_errors.h"
  13 #include "net/base/test_data_directory.h"
  14 #include "remoting/base/rsa_key_pair.h"
  15 #include "remoting/protocol/authenticator.h"
  16 #include "remoting/protocol/channel_authenticator.h"
  17 #include "remoting/protocol/fake_stream_socket.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19 #include "third_party/webrtc/libjingle/xmllite/xmlelement.h"
  20
  21 using testing::_;
  22 using testing::SaveArg;
  23
  24 namespace remoting {
  25 namespace protocol {
  26
  27 namespace {
  28
  29 ACTION_P(QuitThreadOnCounter, counter) {
  30   --(*counter);
  31   EXPECT_GE(*counter, 0);
  32   if (*counter == 0)
  33     base::MessageLoop::current()->Quit();
  34 }
  35
  36 }  // namespace
  37
  38 AuthenticatorTestBase::MockChannelDoneCallback::MockChannelDoneCallback() {}
  39
  40 AuthenticatorTestBase::MockChannelDoneCallback::~MockChannelDoneCallback() {}
  41
  42 AuthenticatorTestBase::AuthenticatorTestBase() {}
  43
  44 AuthenticatorTestBase::~AuthenticatorTestBase() {}
  45
  46 void AuthenticatorTestBase::SetUp() {
  47   base::FilePath certs_dir(net::GetTestCertsDirectory());
  48
  49   base::FilePath cert_path = certs_dir.AppendASCII("unittest.selfsigned.der");
  50   ASSERT_TRUE(base::ReadFileToString(cert_path, &host_cert_));
  51
  52   base::FilePath key_path = certs_dir.AppendASCII("unittest.key.bin");
  53   std::string key_string;
  54   ASSERT_TRUE(base::ReadFileToString(key_path, &key_string));
  55   std::string key_base64;
  56   base::Base64Encode(key_string, &key_base64);
  57   key_pair_ = RsaKeyPair::FromString(key_base64);
  58   ASSERT_TRUE(key_pair_.get());
  59   host_public_key_ = key_pair_->GetPublicKey();
  60 }
  61
  62 void AuthenticatorTestBase::RunAuthExchange() {
  63   ContinueAuthExchangeWith(client_.get(),
  64                            host_.get(),
  65                            client_->started(),
  66                            host_->started());
  67 }
  68
  69 void AuthenticatorTestBase::RunHostInitiatedAuthExchange() {
  70   ContinueAuthExchangeWith(host_.get(),
  71                            client_.get(),
  72                            host_->started(),
  73                            client_->started());
  74 }
  75
  76 // static
  77 // This function sends a message from the sender and receiver and recursively
  78 // calls itself to the send the next message from the receiver to the sender
  79 // untils the authentication completes.
  80 void AuthenticatorTestBase::ContinueAuthExchangeWith(Authenticator* sender,
  81                                                      Authenticator* receiver,
  82                                                      bool sender_started,
  83                                                      bool receiver_started) {
  84   scoped_ptr<buzz::XmlElement> message;
  85   ASSERT_NE(Authenticator::WAITING_MESSAGE, sender->state());
  86   if (sender->state() == Authenticator::ACCEPTED ||
  87       sender->state() == Authenticator::REJECTED)
  88     return;
  89
  90   // Verify that once the started flag for either party is set to true,
  91   // it should always stay true.
  92   if (receiver_started) {
  93     ASSERT_TRUE(receiver->started());
  94   }
  95
  96   if (sender_started) {
  97     ASSERT_TRUE(sender->started());
  98   }
  99
 100   ASSERT_EQ(Authenticator::MESSAGE_READY, sender->state());
 101   message = sender->GetNextMessage();
 102   ASSERT_TRUE(message.get());
 103   ASSERT_NE(Authenticator::MESSAGE_READY, sender->state());
 104
 105   ASSERT_EQ(Authenticator::WAITING_MESSAGE, receiver->state());
 106   receiver->ProcessMessage(message.get(), base::Bind(
 107       &AuthenticatorTestBase::ContinueAuthExchangeWith,
 108       base::Unretained(receiver), base::Unretained(sender),
 109       receiver->started(), sender->started()));
 110 }
 111
 112 void AuthenticatorTestBase::RunChannelAuth(bool expected_fail) {
 113   client_fake_socket_.reset(new FakeStreamSocket());
 114   host_fake_socket_.reset(new FakeStreamSocket());
 115   client_fake_socket_->PairWith(host_fake_socket_.get());
 116
 117   client_auth_->SecureAndAuthenticate(
 118       client_fake_socket_.Pass(),
 119       base::Bind(&AuthenticatorTestBase::OnClientConnected,
 120                  base::Unretained(this)));
 121
 122   host_auth_->SecureAndAuthenticate(
 123       host_fake_socket_.Pass(),
 124       base::Bind(&AuthenticatorTestBase::OnHostConnected,
 125                  base::Unretained(this)));
 126
 127   // Expect two callbacks to be called - the client callback and the host
 128   // callback.
 129   int callback_counter = 2;
 130
 131   EXPECT_CALL(client_callback_, OnDone(net::OK))
 132       .WillOnce(QuitThreadOnCounter(&callback_counter));
 133   if (expected_fail) {
 134     EXPECT_CALL(host_callback_, OnDone(net::ERR_FAILED))
 135          .WillOnce(QuitThreadOnCounter(&callback_counter));
 136   } else {
 137     EXPECT_CALL(host_callback_, OnDone(net::OK))
 138         .WillOnce(QuitThreadOnCounter(&callback_counter));
 139   }
 140
 141   // Ensure that .Run() does not run unbounded if the callbacks are never
 142   // called.
 143   base::Timer shutdown_timer(false, false);
 144   shutdown_timer.Start(FROM_HERE,
 145                        TestTimeouts::action_timeout(),
 146                        base::MessageLoop::QuitClosure());
 147   message_loop_.Run();
 148   shutdown_timer.Stop();
 149
 150   testing::Mock::VerifyAndClearExpectations(&client_callback_);
 151   testing::Mock::VerifyAndClearExpectations(&host_callback_);
 152
 153   if (!expected_fail) {
 154     ASSERT_TRUE(client_socket_.get() != nullptr);
 155     ASSERT_TRUE(host_socket_.get() != nullptr);
 156   }
 157 }
 158
 159 void AuthenticatorTestBase::OnHostConnected(
 160     int error,
 161     scoped_ptr<net::StreamSocket> socket) {
 162   host_callback_.OnDone(error);
 163   host_socket_ = socket.Pass();
 164 }
 165
 166 void AuthenticatorTestBase::OnClientConnected(
 167     int error,
 168     scoped_ptr<net::StreamSocket> socket) {
 169   client_callback_.OnDone(error);
 170   client_socket_ = socket.Pass();
 171 }
 172
 173 }  // namespace protocol
 174 }  // namespace remoting