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// 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_database.h"
#include <optional>
#include <tuple>
#include <vector>
#include "base/containers/contains.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/functional/bind.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "base/time/clock.h"
#include "base/time/time.h"
#include "content/public/browser/storage_partition.h"
#include "sql/statement.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 {
using ::base::Time;
using StorageKeyMatcher =
::content::StoragePartition::StorageKeyMatcherFunction;
using ::testing::ElementsAre;
using ::testing::IsEmpty;
using ::testing::Optional;
using ::testing::UnorderedElementsAre;
namespace {
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
// Test parameter indicates if the database should be in memory (true, for
// incognito mode) or persistent (false).
class MediaDeviceSaltDatabaseTest : public testing::TestWithParam<bool> {
protected:
MediaDeviceSaltDatabase& db() { return *db_; }
bool ShouldBeInMemory() const { return GetParam(); }
bool ShouldBePersistent() const { return !ShouldBeInMemory(); }
base::FilePath DbPath() {
return ShouldBeInMemory()
? base::FilePath()
: temp_directory_.GetPath().AppendASCII("MediaDeviceSalts");
}
std::vector<std::pair<blink::StorageKey, std::string>> GetAllStoredEntries() {
std::vector<std::pair<blink::StorageKey, std::string>> entries;
sql::Statement statement(db().DatabaseForTesting().GetUniqueStatement(
"SELECT storage_key, salt FROM media_device_salts"));
while (statement.Step()) {
std::optional<blink::StorageKey> key =
blink::StorageKey::Deserialize(statement.ColumnString(0));
CHECK(key.has_value());
entries.emplace_back(*key, statement.ColumnString(1));
}
return entries;
}
StorageKeyMatcher CreateMatcherForKeys(std::vector<blink::StorageKey> keys) {
return base::BindLambdaForTesting([keys](const blink::StorageKey& key) {
return base::Contains(keys, key);
});
}
base::test::TaskEnvironment& task_environment() { return task_environment_; }
private:
void SetUp() override {
if (ShouldBePersistent()) {
ASSERT_TRUE(temp_directory_.CreateUniqueTempDir());
}
db_.emplace(DbPath());
}
private:
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
base::ScopedTempDir temp_directory_;
std::optional<MediaDeviceSaltDatabase> db_;
};
TEST_P(MediaDeviceSaltDatabaseTest, DatabasePathExists) {
// Issue an operation to ensure the dababase is open.
std::ignore = db().GetOrInsertSalt(StorageKey1());
ASSERT_EQ(base::PathExists(DbPath()), ShouldBePersistent());
}
TEST_P(MediaDeviceSaltDatabaseTest, NoStorageForOpaqueStorageKey) {
EXPECT_FALSE(db().GetOrInsertSalt(blink::StorageKey()).has_value());
}
TEST_P(MediaDeviceSaltDatabaseTest, InsertExplicitSalt) {
const std::string salt = CreateRandomSalt();
EXPECT_THAT(db().GetOrInsertSalt(StorageKey1(), salt), Optional(salt));
EXPECT_THAT(db().GetOrInsertSalt(StorageKey1()), Optional(salt));
EXPECT_THAT(GetAllStoredEntries(),
ElementsAre(std::pair(StorageKey1(), salt)));
}
TEST_P(MediaDeviceSaltDatabaseTest, InsertRandomSalts) {
std::optional<std::string> salt1 = db().GetOrInsertSalt(StorageKey1());
std::optional<std::string> salt2 = db().GetOrInsertSalt(StorageKey2());
ASSERT_TRUE(salt1.has_value());
ASSERT_TRUE(salt2.has_value());
EXPECT_NE(*salt1, *salt2);
EXPECT_THAT(GetAllStoredEntries(),
UnorderedElementsAre(std::pair(StorageKey1(), *salt1),
std::pair(StorageKey2(), *salt2)));
}
TEST_P(MediaDeviceSaltDatabaseTest, ReplaceSalt) {
EXPECT_TRUE(db().GetOrInsertSalt(StorageKey1(), "salt1").has_value());
EXPECT_TRUE(db().GetOrInsertSalt(StorageKey1(), "salt2").has_value());
EXPECT_THAT(db().GetOrInsertSalt(StorageKey1()),
Optional(std::string("salt1")));
// There should be only one entry in the database.
EXPECT_THAT(GetAllStoredEntries(),
UnorderedElementsAre(std::pair(StorageKey1(), "salt1")));
}
TEST_P(MediaDeviceSaltDatabaseTest, DeleteEntriesByTime) {
base::Time now = base::Time::Now();
db().GetOrInsertSalt(StorageKey1(), "salt1");
task_environment().AdvanceClock(base::Days(1000));
db().GetOrInsertSalt(StorageKey2(), "salt2");
task_environment().AdvanceClock(base::Days(1000));
db().GetOrInsertSalt(StorageKey3(), "salt3");
db().DeleteEntries(now + base::Days(500), now + base::Days(1500));
EXPECT_THAT(GetAllStoredEntries(),
UnorderedElementsAre(std::pair(StorageKey1(), "salt1"),
std::pair(StorageKey3(), "salt3")));
}
TEST_P(MediaDeviceSaltDatabaseTest, DeleteAllEntries) {
db().GetOrInsertSalt(StorageKey1(), "salt1");
task_environment().AdvanceClock(base::Seconds(1000));
db().GetOrInsertSalt(StorageKey2(), "salt2");
task_environment().AdvanceClock(base::Days(1000));
db().GetOrInsertSalt(StorageKey3(), "salt3");
EXPECT_EQ(GetAllStoredEntries().size(), 3u);
db().DeleteEntries(Time::Min(), Time::Max());
EXPECT_TRUE(GetAllStoredEntries().empty());
}
TEST_P(MediaDeviceSaltDatabaseTest, DeleteSingleStorageKeyUsingMatcher) {
db().GetOrInsertSalt(StorageKey1(), "salt1");
db().GetOrInsertSalt(StorageKey2(), "salt2");
db().GetOrInsertSalt(StorageKey3(), "salt3");
db().DeleteEntries(base::Time(), base::Time::Max(),
CreateMatcherForKeys({StorageKey1()}));
EXPECT_THAT(GetAllStoredEntries(),
UnorderedElementsAre(std::pair(StorageKey2(), "salt2"),
std::pair(StorageKey3(), "salt3")));
}
TEST_P(MediaDeviceSaltDatabaseTest, DeleteSomeStorageKeysUsingMatcher) {
db().GetOrInsertSalt(StorageKey1(), "salt1");
db().GetOrInsertSalt(StorageKey2(), "salt2");
db().GetOrInsertSalt(StorageKey3(), "salt3");
db().DeleteEntries(base::Time(), base::Time::Max(),
CreateMatcherForKeys({StorageKey1(), StorageKey3()}));
EXPECT_THAT(GetAllStoredEntries(),
ElementsAre(std::pair(StorageKey2(), "salt2")));
}
TEST_P(MediaDeviceSaltDatabaseTest, DeleteSingleStorageKey) {
db().GetOrInsertSalt(StorageKey1(), "salt1");
db().GetOrInsertSalt(StorageKey2(), "salt2");
db().GetOrInsertSalt(StorageKey3(), "salt3");
db().DeleteEntry(StorageKey1());
EXPECT_THAT(GetAllStoredEntries(),
UnorderedElementsAre(std::pair(StorageKey2(), "salt2"),
std::pair(StorageKey3(), "salt3")));
db().DeleteEntry(StorageKey3());
EXPECT_THAT(GetAllStoredEntries(),
ElementsAre(std::pair(StorageKey2(), "salt2")));
}
TEST_P(MediaDeviceSaltDatabaseTest, DatabaseErrors) {
db().ForceErrorForTesting();
EXPECT_FALSE(db().GetOrInsertSalt(StorageKey1()).has_value());
}
TEST_P(MediaDeviceSaltDatabaseTest, GetAllStorageKeys) {
db().GetOrInsertSalt(StorageKey1(), "salt1");
db().GetOrInsertSalt(StorageKey2(), "salt2");
db().GetOrInsertSalt(StorageKey3(), "salt3");
EXPECT_THAT(
db().GetAllStorageKeys(),
UnorderedElementsAre(StorageKey1(), StorageKey2(), StorageKey3()));
db().DeleteEntry(StorageKey3());
EXPECT_THAT(db().GetAllStorageKeys(),
UnorderedElementsAre(StorageKey1(), StorageKey2()));
db().DeleteEntries(base::Time::Min(), base::Time::Max());
EXPECT_THAT(db().GetAllStorageKeys(), IsEmpty());
}
INSTANTIATE_TEST_SUITE_P(All, MediaDeviceSaltDatabaseTest, testing::Bool());
} // namespace media_device_salt
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