1// Copyright 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 "components/autofill/content/browser/risk/fingerprint.h"
6
7#include "base/bind.h"
8#include "base/message_loop/message_loop.h"
9#include "base/port.h"
10#include "chrome/browser/browser_process.h"
11#include "chrome/test/base/in_process_browser_test.h"
12#include "components/autofill/content/browser/risk/proto/fingerprint.pb.h"
13#include "content/public/browser/geolocation_provider.h"
14#include "content/public/browser/gpu_data_manager.h"
15#include "content/public/common/geoposition.h"
16#include "content/public/test/test_utils.h"
17#include "testing/gmock/include/gmock/gmock.h"
18#include "testing/gtest/include/gtest/gtest.h"
19#include "third_party/WebKit/public/platform/WebRect.h"
20#include "third_party/WebKit/public/platform/WebScreenInfo.h"
21#include "ui/gfx/rect.h"
22
23using testing::ElementsAre;
24
25namespace autofill {
26namespace risk {
27
28namespace internal {
29
30// Defined in the implementation file corresponding to this test.
31void GetFingerprintInternal(
32    uint64 obfuscated_gaia_id,
33    const gfx::Rect& window_bounds,
34    const gfx::Rect& content_bounds,
35    const blink::WebScreenInfo& screen_info,
36    const std::string& version,
37    const std::string& charset,
38    const std::string& accept_languages,
39    const base::Time& install_time,
40    const std::string& app_locale,
41    const base::TimeDelta& timeout,
42    const base::Callback<void(scoped_ptr<Fingerprint>)>& callback);
43
44}  // namespace internal
45
46// Constants that are passed verbatim to the fingerprinter code and should be
47// serialized into the resulting protocol buffer.
48const uint64 kObfuscatedGaiaId = GG_UINT64_C(16571487432910023183);
49const char kCharset[] = "UTF-8";
50const char kAcceptLanguages[] = "en-US,en";
51const int kScreenColorDepth = 53;
52
53// Geolocation constants that are passed verbatim to the fingerprinter code and
54// should be serialized into the resulting protocol buffer.
55const double kLatitude = -42.0;
56const double kLongitude = 17.3;
57const double kAltitude = 123.4;
58const double kAccuracy = 73.7;
59const int kGeolocationTime = 87;
60
61class AutofillRiskFingerprintTest : public InProcessBrowserTest {
62 public:
63  AutofillRiskFingerprintTest()
64      : window_bounds_(2, 3, 5, 7),
65        content_bounds_(11, 13, 17, 37),
66        screen_bounds_(0, 0, 101, 71),
67        available_screen_bounds_(0, 11, 101, 60),
68        unavailable_screen_bounds_(0, 0, 101, 11),
69        message_loop_(base::MessageLoop::TYPE_UI) {}
70
71  void GetFingerprintTestCallback(scoped_ptr<Fingerprint> fingerprint) {
72    // Verify that all fields Chrome can fill have been filled.
73    ASSERT_TRUE(fingerprint->has_machine_characteristics());
74    const Fingerprint::MachineCharacteristics& machine =
75        fingerprint->machine_characteristics();
76    EXPECT_TRUE(machine.has_operating_system_build());
77    EXPECT_TRUE(machine.has_browser_install_time_hours());
78    EXPECT_GT(machine.font_size(), 0);
79    EXPECT_GT(machine.plugin_size(), 0);
80    EXPECT_TRUE(machine.has_utc_offset_ms());
81    EXPECT_TRUE(machine.has_browser_language());
82    EXPECT_GT(machine.requested_language_size(), 0);
83    EXPECT_TRUE(machine.has_charset());
84    EXPECT_TRUE(machine.has_screen_count());
85    ASSERT_TRUE(machine.has_screen_size());
86    EXPECT_TRUE(machine.screen_size().has_width());
87    EXPECT_TRUE(machine.screen_size().has_height());
88    EXPECT_TRUE(machine.has_screen_color_depth());
89    ASSERT_TRUE(machine.has_unavailable_screen_size());
90    EXPECT_TRUE(machine.unavailable_screen_size().has_width());
91    EXPECT_TRUE(machine.unavailable_screen_size().has_height());
92    EXPECT_TRUE(machine.has_user_agent());
93    ASSERT_TRUE(machine.has_cpu());
94    EXPECT_TRUE(machine.cpu().has_vendor_name());
95    EXPECT_TRUE(machine.cpu().has_brand());
96    EXPECT_TRUE(machine.has_ram());
97    ASSERT_TRUE(machine.has_graphics_card());
98    EXPECT_TRUE(machine.graphics_card().has_vendor_id());
99    EXPECT_TRUE(machine.graphics_card().has_device_id());
100    EXPECT_TRUE(machine.has_browser_build());
101    EXPECT_TRUE(machine.has_browser_feature());
102
103    ASSERT_TRUE(fingerprint->has_transient_state());
104    const Fingerprint::TransientState& transient_state =
105        fingerprint->transient_state();
106    ASSERT_TRUE(transient_state.has_inner_window_size());
107    ASSERT_TRUE(transient_state.has_outer_window_size());
108    EXPECT_TRUE(transient_state.inner_window_size().has_width());
109    EXPECT_TRUE(transient_state.inner_window_size().has_height());
110    EXPECT_TRUE(transient_state.outer_window_size().has_width());
111    EXPECT_TRUE(transient_state.outer_window_size().has_height());
112
113    ASSERT_TRUE(fingerprint->has_user_characteristics());
114    const Fingerprint::UserCharacteristics& user_characteristics =
115        fingerprint->user_characteristics();
116    ASSERT_TRUE(user_characteristics.has_location());
117    const Fingerprint::UserCharacteristics::Location& location =
118        user_characteristics.location();
119    EXPECT_TRUE(location.has_altitude());
120    EXPECT_TRUE(location.has_latitude());
121    EXPECT_TRUE(location.has_longitude());
122    EXPECT_TRUE(location.has_accuracy());
123    EXPECT_TRUE(location.has_time_in_ms());
124
125    ASSERT_TRUE(fingerprint->has_metadata());
126    EXPECT_TRUE(fingerprint->metadata().has_timestamp_ms());
127    EXPECT_TRUE(fingerprint->metadata().has_obfuscated_gaia_id());
128    EXPECT_TRUE(fingerprint->metadata().has_fingerprinter_version());
129
130    // Some values have exact known (mocked out) values:
131    EXPECT_THAT(machine.requested_language(), ElementsAre("en-US", "en"));
132    EXPECT_EQ(kCharset, machine.charset());
133    EXPECT_EQ(kScreenColorDepth, machine.screen_color_depth());
134    EXPECT_EQ(unavailable_screen_bounds_.width(),
135              machine.unavailable_screen_size().width());
136    EXPECT_EQ(unavailable_screen_bounds_.height(),
137              machine.unavailable_screen_size().height());
138    EXPECT_EQ(Fingerprint::MachineCharacteristics::FEATURE_REQUEST_AUTOCOMPLETE,
139              machine.browser_feature());
140    EXPECT_EQ(content_bounds_.width(),
141              transient_state.inner_window_size().width());
142    EXPECT_EQ(content_bounds_.height(),
143              transient_state.inner_window_size().height());
144    EXPECT_EQ(window_bounds_.width(),
145              transient_state.outer_window_size().width());
146    EXPECT_EQ(window_bounds_.height(),
147              transient_state.outer_window_size().height());
148    EXPECT_EQ(kObfuscatedGaiaId, fingerprint->metadata().obfuscated_gaia_id());
149    EXPECT_EQ(kAltitude, location.altitude());
150    EXPECT_EQ(kLatitude, location.latitude());
151    EXPECT_EQ(kLongitude, location.longitude());
152    EXPECT_EQ(kAccuracy, location.accuracy());
153    EXPECT_EQ(kGeolocationTime, location.time_in_ms());
154
155    message_loop_.Quit();
156  }
157
158 protected:
159  // Constants defining bounds in the screen coordinate system that are passed
160  // verbatim to the fingerprinter code and should be serialized into the
161  // resulting protocol buffer.  Declared as class members because gfx::Rect is
162  // not a POD type, so it cannot be statically initialized.
163  const gfx::Rect window_bounds_;
164  const gfx::Rect content_bounds_;
165  const gfx::Rect screen_bounds_;
166  const gfx::Rect available_screen_bounds_;
167  const gfx::Rect unavailable_screen_bounds_;
168
169  // A message loop to block on the asynchronous loading of the fingerprint.
170  base::MessageLoop message_loop_;
171};
172
173// Test that getting a fingerprint works on some basic level.
174IN_PROC_BROWSER_TEST_F(AutofillRiskFingerprintTest, GetFingerprint) {
175  // This test hangs when there is no GPU process.
176  // http://crbug.com/327272
177  if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL))
178    return;
179
180  content::Geoposition position;
181  position.latitude = kLatitude;
182  position.longitude = kLongitude;
183  position.altitude = kAltitude;
184  position.accuracy = kAccuracy;
185  position.timestamp =
186      base::Time::UnixEpoch() +
187      base::TimeDelta::FromMilliseconds(kGeolocationTime);
188  scoped_refptr<content::MessageLoopRunner> runner =
189      new content::MessageLoopRunner;
190  content::GeolocationProvider::OverrideLocationForTesting(
191      position, runner->QuitClosure());
192  runner->Run();
193
194  blink::WebScreenInfo screen_info;
195  screen_info.depth = kScreenColorDepth;
196  screen_info.rect = blink::WebRect(screen_bounds_);
197  screen_info.availableRect = blink::WebRect(available_screen_bounds_);
198
199  internal::GetFingerprintInternal(
200      kObfuscatedGaiaId, window_bounds_, content_bounds_, screen_info,
201      "25.0.0.123", kCharset, kAcceptLanguages, base::Time::Now(),
202      g_browser_process->GetApplicationLocale(),
203      base::TimeDelta::FromDays(1),  // Ought to be longer than any test run.
204      base::Bind(&AutofillRiskFingerprintTest::GetFingerprintTestCallback,
205                 base::Unretained(this)));
206
207  // Wait for the callback to be called.
208  message_loop_.Run();
209}
210
211}  // namespace risk
212}  // namespace autofill
213