1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/media_device_salt/media_device_salt_service.h"
#include "base/containers/contains.h"
#include "base/files/file_path.h"
#include "base/run_loop.h"
#include "base/system/system_monitor.h"
#include "base/test/bind.h"
#include "base/test/mock_devices_changed_observer.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_future.h"
#include "base/time/time.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "components/media_device_salt/media_device_id_salt.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "components/user_prefs/user_prefs.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/test_browser_context.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
namespace media_device_salt {
namespace {
using ::testing::IsEmpty;
using ::testing::UnorderedElementsAre;
using StorageKeyMatcher =
::content::StoragePartition::StorageKeyMatcherFunction;
blink::StorageKey StorageKey1() {
return blink::StorageKey::CreateFromStringForTesting("https://example1.com");
}
blink::StorageKey StorageKey2() {
return blink::StorageKey::CreateFromStringForTesting("https://example2.com");
}
blink::StorageKey StorageKey3() {
return blink::StorageKey::CreateFromStringForTesting("https://example3.com");
}
} // namespace
class MediaDeviceSaltServiceTest : public testing::Test {
public:
void SetUp() override {
feature_list_.InitWithFeatures({kMediaDeviceIdPartitioning}, {});
BrowserContextDependencyManager::GetInstance()->MarkBrowserContextLive(
&browser_context_);
user_prefs::UserPrefs::Set(&browser_context_, &pref_service_);
ASSERT_FALSE(pref_service_.FindPreference(
media_device_salt::prefs::kMediaDeviceIdSalt));
MediaDeviceIDSalt::RegisterProfilePrefs(pref_service_.registry());
ASSERT_TRUE(pref_service_.FindPreference(
media_device_salt::prefs::kMediaDeviceIdSalt));
service_ = std::make_unique<MediaDeviceSaltService>(&pref_service_,
base::FilePath());
}
void TearDown() override {
BrowserContextDependencyManager::GetInstance()
->DestroyBrowserContextServices(&browser_context_);
}
protected:
content::BrowserTaskEnvironment& task_environment() {
return task_environment_;
}
base::test::ScopedFeatureList& feature_list() { return feature_list_; }
const sync_preferences::TestingPrefServiceSyncable& pref_service() const {
return pref_service_;
}
MediaDeviceSaltService* service() const { return service_.get(); }
std::string GetSalt(const blink::StorageKey& storage_key) const {
base::test::TestFuture<const std::string&> future;
service_->GetSalt(storage_key, future.GetCallback());
return future.Get();
}
void DeleteSaltUsingMatcher(const blink::StorageKey& storage_key) const {
base::test::TestFuture<void> future;
auto matcher = base::BindLambdaForTesting(
[&storage_key](const blink::StorageKey& candidate_key) {
return candidate_key == storage_key;
});
service_->DeleteSalts(base::Time::Min(), base::Time::Max(), matcher,
future.GetCallback());
CHECK(future.Wait());
}
void DeleteSalts(const std::vector<blink::StorageKey>& keys) {
base::test::TestFuture<void> future;
auto matcher = base::BindLambdaForTesting(
[&keys](const blink::StorageKey& candidate_key) {
return base::Contains(keys, candidate_key);
});
service_->DeleteSalts(base::Time::Min(), base::Time::Max(), matcher,
future.GetCallback());
CHECK(future.Wait());
}
void DeleteSaltsInTimeRange(base::Time delete_begin, base::Time delete_end) {
base::test::TestFuture<void> future;
service_->DeleteSalts(delete_begin, delete_end, StorageKeyMatcher(),
future.GetCallback());
CHECK(future.Wait());
}
void DeleteSingleSalt(const blink::StorageKey& storage_key) {
base::test::TestFuture<void> future;
service_->DeleteSalt(storage_key, future.GetCallback());
CHECK(future.Wait());
}
std::vector<blink::StorageKey> GetAllStorageKeys() {
base::test::TestFuture<std::vector<blink::StorageKey>> future;
service_->GetAllStorageKeys(future.GetCallback());
return future.Get();
}
private:
content::BrowserTaskEnvironment task_environment_;
base::test::ScopedFeatureList feature_list_;
content::TestBrowserContext browser_context_;
sync_preferences::TestingPrefServiceSyncable pref_service_;
std::unique_ptr<MediaDeviceSaltService> service_;
};
TEST_F(MediaDeviceSaltServiceTest, ResetGlobalSaltFiresDeviceChange) {
feature_list().Reset();
feature_list().InitAndDisableFeature(kMediaDeviceIdPartitioning);
base::SystemMonitor monitor;
ASSERT_EQ(base::SystemMonitor::Get(), &monitor);
testing::StrictMock<base::MockDevicesChangedObserver> observer;
monitor.AddDevicesChangedObserver(&observer);
EXPECT_CALL(observer, OnDevicesChanged(base::SystemMonitor::DEVTYPE_AUDIO));
EXPECT_CALL(observer,
OnDevicesChanged(base::SystemMonitor::DEVTYPE_VIDEO_CAPTURE));
service()->DeleteSalts(base::Time::Min(), base::Time::Max(),
StorageKeyMatcher(), base::DoNothing());
task_environment().RunUntilIdle();
monitor.RemoveDevicesChangedObserver(&observer);
}
TEST_F(MediaDeviceSaltServiceTest, DeleteSingleSaltUsingMatcher) {
// Deletion of individual salts is not supported when using the global salt.
std::string salt1 = GetSalt(StorageKey1());
std::string salt2 = GetSalt(StorageKey2());
EXPECT_FALSE(salt1.empty());
EXPECT_NE(salt1, salt2);
DeleteSaltUsingMatcher(StorageKey1());
std::string salt1b = GetSalt(StorageKey1());
std::string salt2b = GetSalt(StorageKey2());
EXPECT_FALSE(salt1b.empty());
EXPECT_NE(salt1, salt1b);
EXPECT_EQ(salt2b, salt2);
DeleteSaltUsingMatcher(StorageKey2());
std::string salt1c = GetSalt(StorageKey1());
std::string salt2c = GetSalt(StorageKey2());
EXPECT_EQ(salt1c, salt1b);
EXPECT_NE(salt2c, salt2b);
EXPECT_NE(salt2c, salt1c);
}
TEST_F(MediaDeviceSaltServiceTest, DeleteMultipleSaltsUsingMatcher) {
// Deletion of individual salts is not supported when using the global salt.
std::string salt1 = GetSalt(StorageKey1());
std::string salt2 = GetSalt(StorageKey2());
std::string salt3 = GetSalt(StorageKey3());
DeleteSalts({StorageKey1(), StorageKey2()});
std::string salt1b = GetSalt(StorageKey1());
std::string salt2b = GetSalt(StorageKey2());
std::string salt3b = GetSalt(StorageKey3());
EXPECT_NE(salt1, salt1b);
EXPECT_NE(salt2, salt2b);
EXPECT_EQ(salt3, salt3b);
}
TEST_F(MediaDeviceSaltServiceTest, DeleteSingleSalt) {
// Deletion of individual salts is not supported when using the global salt.
std::string salt1 = GetSalt(StorageKey1());
std::string salt2 = GetSalt(StorageKey2());
EXPECT_FALSE(salt1.empty());
EXPECT_NE(salt1, salt2);
DeleteSingleSalt(StorageKey1());
std::string salt1b = GetSalt(StorageKey1());
std::string salt2b = GetSalt(StorageKey2());
EXPECT_FALSE(salt1b.empty());
EXPECT_NE(salt1, salt1b);
EXPECT_EQ(salt2b, salt2);
DeleteSingleSalt(StorageKey2());
std::string salt1c = GetSalt(StorageKey1());
std::string salt2c = GetSalt(StorageKey2());
EXPECT_EQ(salt1c, salt1b);
EXPECT_NE(salt2c, salt2b);
EXPECT_NE(salt2c, salt1c);
}
TEST_F(MediaDeviceSaltServiceTest, DeleteSaltsInTimeRange) {
// Deletion of salts by time range is supported with both the global and
// per-storage-key salts.
base::Time time1 = base::Time::Now();
std::string salt1 = GetSalt(StorageKey1());
std::string salt2 = GetSalt(StorageKey2());
base::Time time3 = base::Time::Now();
std::string salt3 = GetSalt(StorageKey3());
base::Time time4 = base::Time::Now();
// No salts deleted
DeleteSaltsInTimeRange(time4, base::Time::Max());
std::string salt1b = GetSalt(StorageKey1());
std::string salt2b = GetSalt(StorageKey2());
std::string salt3b = GetSalt(StorageKey3());
EXPECT_EQ(salt1b, salt1);
EXPECT_EQ(salt2b, salt2);
EXPECT_EQ(salt3b, salt3);
// Only salt for StorageKey3 deleted
DeleteSaltsInTimeRange(time3, base::Time::Max());
std::string salt1c = GetSalt(StorageKey1());
std::string salt2c = GetSalt(StorageKey2());
std::string salt3c = GetSalt(StorageKey3());
EXPECT_EQ(salt1c, salt1b);
EXPECT_EQ(salt2c, salt2b);
EXPECT_NE(salt3c, salt3b);
// Salts for StorageKey1 and StorageKey2 deleted
DeleteSaltsInTimeRange(time1, time3);
std::string salt1d = GetSalt(StorageKey1());
std::string salt2d = GetSalt(StorageKey2());
std::string salt3d = GetSalt(StorageKey3());
EXPECT_NE(salt1d, salt1c);
EXPECT_NE(salt2d, salt2c);
EXPECT_EQ(salt3d, salt3c);
// All salts deleted
DeleteSaltsInTimeRange(base::Time::Min(), base::Time::Max());
std::string salt1e = GetSalt(StorageKey1());
std::string salt2e = GetSalt(StorageKey2());
std::string salt3e = GetSalt(StorageKey3());
EXPECT_NE(salt1e, salt1d);
EXPECT_NE(salt2e, salt2d);
EXPECT_NE(salt3e, salt3d);
}
TEST_F(MediaDeviceSaltServiceTest, GetAllStorageKeys) {
// Deletion of individual salts is not supported when using the global salt.
std::string salt1 = GetSalt(StorageKey1());
std::string salt2 = GetSalt(StorageKey2());
std::string salt3 = GetSalt(StorageKey3());
EXPECT_THAT(
GetAllStorageKeys(),
UnorderedElementsAre(StorageKey1(), StorageKey2(), StorageKey3()));
DeleteSingleSalt(StorageKey2());
EXPECT_THAT(GetAllStorageKeys(),
UnorderedElementsAre(StorageKey1(), StorageKey3()));
DeleteSaltsInTimeRange(base::Time::Min(), base::Time::Max());
EXPECT_THAT(GetAllStorageKeys(), IsEmpty());
}
TEST_F(MediaDeviceSaltServiceTest, OpaqueKey) {
// Storage keys with opaque origin use an ephemeral global salt.
std::string salt1 = GetSalt(blink::StorageKey());
// The fallback salt is reset when all salts are deleted.
DeleteSaltsInTimeRange(base::Time::Min(), base::Time::Max());
std::string salt2 = GetSalt(blink::StorageKey());
EXPECT_NE(salt1, salt2);
// The fallback salt is not deleted in a matching deletion.
DeleteSaltUsingMatcher(blink::StorageKey());
std::string salt3 = GetSalt(blink::StorageKey());
EXPECT_EQ(salt2, salt3);
}
TEST_F(MediaDeviceSaltServiceTest, ManyGetSalts) {
const size_t n = 100;
std::vector<std::string> salts;
base::RunLoop run_loop;
for (size_t i = 0; i < n; i++) {
service()->GetSalt(StorageKey1(),
base::BindLambdaForTesting([&](const std::string& salt) {
salts.push_back(salt);
if (salts.size() == n) {
run_loop.Quit();
}
}));
}
run_loop.Run();
ASSERT_EQ(salts.size(), n);
EXPECT_FALSE(salts[0].empty());
for (size_t i = 1; i < n; i++) {
EXPECT_EQ(salts[i], salts[0]);
}
}
TEST_F(MediaDeviceSaltServiceTest, DeviceChangeEvent) {
base::SystemMonitor monitor;
ASSERT_EQ(base::SystemMonitor::Get(), &monitor);
testing::StrictMock<base::MockDevicesChangedObserver> observer;
monitor.AddDevicesChangedObserver(&observer);
GetSalt(StorageKey1());
GetSalt(StorageKey2());
EXPECT_CALL(observer, OnDevicesChanged(base::SystemMonitor::DEVTYPE_AUDIO));
EXPECT_CALL(observer,
OnDevicesChanged(base::SystemMonitor::DEVTYPE_VIDEO_CAPTURE));
DeleteSaltUsingMatcher(StorageKey1());
task_environment().RunUntilIdle();
EXPECT_CALL(observer, OnDevicesChanged(base::SystemMonitor::DEVTYPE_AUDIO));
EXPECT_CALL(observer,
OnDevicesChanged(base::SystemMonitor::DEVTYPE_VIDEO_CAPTURE));
DeleteSaltsInTimeRange(base::Time::Min(), base::Time::Max());
task_environment().RunUntilIdle();
monitor.RemoveDevicesChangedObserver(&observer);
}
} // namespace media_device_salt
|