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|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/shared_storage/shared_storage_lock_manager.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_future.h"
#include "content/browser/storage_partition_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/shared_storage_test_utils.h"
#include "content/public/test/test_renderer_host.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/mojom/shared_storage.mojom.h"
#include "third_party/blink/public/common/features.h"
namespace content {
namespace {
using AccessScope = blink::SharedStorageAccessScope;
class TestLockRequest : public blink::mojom::LockRequest {
public:
explicit TestLockRequest(
mojo::PendingAssociatedReceiver<blink::mojom::LockRequest> receiver)
: receiver_(this, std::move(receiver)) {}
// blink::mojom::LockRequest
void Granted(mojo::PendingAssociatedRemote<blink::mojom::LockHandle>
pending_handle) override {
granted_ = true;
handle_.Bind(std::move(pending_handle));
}
void Failed() override { failed_ = true; }
void ReleaseLock() {
CHECK(granted_);
handle_.reset();
}
bool granted() const { return granted_; }
bool failed() const { return failed_; }
private:
bool granted_ = false;
bool failed_ = false;
mojo::AssociatedRemote<blink::mojom::LockHandle> handle_;
mojo::AssociatedReceiver<blink::mojom::LockRequest> receiver_{this};
};
} // namespace
// Test `SharedStorageLockManager`. Since `BindLockManager()` delegates to
// `LockManager::BindReceiver()`, we avoid retesting this function alone.
// Rather, we focus on testing other functions and their interactions with
// `BindLockManager()`.
class SharedStorageLockManagerTest : public RenderViewHostTestHarness {
public:
SharedStorageLockManagerTest() {
web_locks_feature_.InitAndEnableFeature(
blink::features::kSharedStorageWebLocks);
transactional_batch_update_feature_.InitAndEnableFeature(
network::features::kSharedStorageTransactionalBatchUpdate);
}
void SetUp() override {
RenderViewHostTestHarness::SetUp();
test_lock_manager_ =
std::make_unique<SharedStorageLockManager>(StoragePartition());
}
void TearDown() override {
test_lock_manager_.reset();
content::RenderViewHostTestHarness::TearDown();
}
StoragePartitionImpl& StoragePartition() {
return *static_cast<StoragePartitionImpl*>(
web_contents()->GetBrowserContext()->GetDefaultStoragePartition());
}
void CreateExternalLockRequest1(
const url::Origin& origin,
const std::string& lock_name,
blink::mojom::LockMode lock_mode,
blink::mojom::LockManager::WaitMode wait_mode) {
CreateExternalLockRequestHelper(origin, lock_name, lock_mode, wait_mode,
/*request_number=*/1);
}
void CreateExternalLockRequest2(
const url::Origin& origin,
const std::string& lock_name,
blink::mojom::LockMode lock_mode,
blink::mojom::LockManager::WaitMode wait_mode) {
CreateExternalLockRequestHelper(origin, lock_name, lock_mode, wait_mode,
/*request_number=*/2);
}
std::u16string SharedStorageGet(const url::Origin& origin,
const std::u16string& key) {
base::test::TestFuture<storage::SharedStorageManager::GetResult> future;
StoragePartition().GetSharedStorageManager()->Get(origin, key,
future.GetCallback());
return future.Take().data;
}
protected:
std::unique_ptr<SharedStorageLockManager> test_lock_manager_;
std::unique_ptr<TestLockRequest> external_lock_request1_;
std::unique_ptr<TestLockRequest> external_lock_request2_;
base::test::ScopedFeatureList web_locks_feature_;
base::test::ScopedFeatureList transactional_batch_update_feature_;
private:
void CreateExternalLockRequestHelper(
const url::Origin& origin,
const std::string& lock_name,
blink::mojom::LockMode lock_mode,
blink::mojom::LockManager::WaitMode wait_mode,
size_t request_number) {
DCHECK(request_number == 1 || request_number == 2);
mojo::Remote<blink::mojom::LockManager>& external_lock_manager =
(request_number == 1) ? external_lock_manager1_
: external_lock_manager2_;
std::unique_ptr<TestLockRequest>& external_lock_request =
(request_number == 1) ? external_lock_request1_
: external_lock_request2_;
DCHECK(!external_lock_manager);
DCHECK(!external_lock_request);
mojo::PendingRemote<blink::mojom::LockManager> pending_lock_manager;
test_lock_manager_->BindLockManager(
origin, pending_lock_manager.InitWithNewPipeAndPassReceiver());
external_lock_manager.Bind(std::move(pending_lock_manager));
mojo::PendingAssociatedReceiver<blink::mojom::LockRequest>
lock_request_receiver;
mojo::PendingAssociatedRemote<blink::mojom::LockRequest>
lock_request_remote =
lock_request_receiver.InitWithNewEndpointAndPassRemote();
external_lock_request =
std::make_unique<TestLockRequest>(std::move(lock_request_receiver));
external_lock_manager->RequestLock(lock_name, lock_mode, wait_mode,
std::move(lock_request_remote));
}
mojo::Remote<blink::mojom::LockManager> external_lock_manager1_;
mojo::Remote<blink::mojom::LockManager> external_lock_manager2_;
};
TEST_F(SharedStorageLockManagerTest,
SharedStorageUpdateWithLock_ImmediatelyHandled) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
auto method_with_options =
MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true, /*with_lock=*/"lock1");
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageUpdate(
std::move(method_with_options), origin,
AccessScope::kSharedStorageWorklet,
/*main_frame_id=*/GlobalRenderFrameHostId(), /*worklet_ordinal_id=*/0,
/*worklet_devtools_token=*/base::UnguessableToken::Create(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// There's no other outstanding lock request. Thus, the `SharedStorageUpdate`
// is immediately handled.
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
}
TEST_F(SharedStorageLockManagerTest,
SharedStorageUpdateWithLock_WaitForGranted) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
CreateExternalLockRequest1(origin, /*lock_name=*/"lock1",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::WAIT);
auto method_with_options =
MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true, /*with_lock=*/"lock1");
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageUpdate(
std::move(method_with_options), origin,
AccessScope::kSharedStorageWorklet,
/*main_frame_id=*/GlobalRenderFrameHostId(), /*worklet_ordinal_id=*/0,
/*worklet_devtools_token=*/base::UnguessableToken::Create(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// The external lock is granted but not yet released. The
// `SharedStorageUpdate()` request is still waiting.
EXPECT_TRUE(external_lock_request1_->granted());
EXPECT_FALSE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"");
// After the external lock is released, the `SharedStorageUpdate()` gets
// handled.
external_lock_request1_->ReleaseLock();
task_environment()->RunUntilIdle();
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
}
TEST_F(SharedStorageLockManagerTest,
SharedStorageUpdateWithoutLock_ImmediatelyHandled) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
CreateExternalLockRequest1(origin, /*lock_name=*/"lock1",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::WAIT);
auto method_with_options =
MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true, /*with_lock=*/std::nullopt);
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageUpdate(
std::move(method_with_options), origin,
AccessScope::kSharedStorageWorklet,
/*main_frame_id=*/GlobalRenderFrameHostId(), /*worklet_ordinal_id=*/0,
/*worklet_devtools_token=*/base::UnguessableToken::Create(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// The external lock is granted but not yet released. The
// `SharedStorageUpdate()` request has been handled, as it does not request
// the lock.
EXPECT_TRUE(external_lock_request1_->granted());
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
}
TEST_F(SharedStorageLockManagerTest,
SharedStorageUpdateWithLock_BlockingExternalLockRequest) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
auto method_with_options =
MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true, /*with_lock=*/"lock1");
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageUpdate(
std::move(method_with_options), origin,
AccessScope::kSharedStorageWorklet,
/*main_frame_id=*/GlobalRenderFrameHostId(), /*worklet_ordinal_id=*/0,
/*worklet_devtools_token=*/base::UnguessableToken::Create(),
error_message_future.GetCallback());
EXPECT_FALSE(error_message_future.IsReady());
// Create an external lock request with WaitMode::NO_WAIT when the lock for
// `SharedStorageUpdate` is not yet released. The second request is expected
// to fail.
CreateExternalLockRequest1(origin, /*lock_name=*/"lock1",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::NO_WAIT);
task_environment()->RunUntilIdle();
EXPECT_TRUE(external_lock_request1_->failed());
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
}
TEST_F(SharedStorageLockManagerTest, BatchUpdateWithLock_ImmediatelyHandled) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
std::vector<network::mojom::SharedStorageModifierMethodWithOptionsPtr>
methods_with_options;
methods_with_options.push_back(MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true));
methods_with_options.push_back(MojomSetMethod(/*key=*/u"c", /*value=*/u"d",
/*ignore_if_present=*/true));
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageBatchUpdate(
std::move(methods_with_options),
/*with_lock=*/"lock1", origin, AccessScope::kWindow,
/*main_frame_id=*/GlobalRenderFrameHostId(),
/*worklet_ordinal_id=*/std::nullopt,
/*worklet_devtools_token=*/base::UnguessableToken::Null(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// There's no other outstanding lock request. Thus, the
// `SharedStorageBatchUpdate` is immediately handled.
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
}
TEST_F(SharedStorageLockManagerTest, BatchUpdateWithLock_WaitForGranted) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
CreateExternalLockRequest1(origin, /*lock_name=*/"lock1",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::WAIT);
std::vector<network::mojom::SharedStorageModifierMethodWithOptionsPtr>
methods_with_options;
methods_with_options.push_back(MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true));
methods_with_options.push_back(MojomSetMethod(/*key=*/u"c", /*value=*/u"d",
/*ignore_if_present=*/true));
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageBatchUpdate(
std::move(methods_with_options),
/*with_lock=*/"lock1", origin, AccessScope::kWindow,
/*main_frame_id=*/GlobalRenderFrameHostId(),
/*worklet_ordinal_id=*/std::nullopt,
/*worklet_devtools_token=*/base::UnguessableToken::Null(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// The external lock is granted but not yet released. The
// `SharedStorageBatchUpdate()` request is still waiting.
EXPECT_TRUE(external_lock_request1_->granted());
EXPECT_FALSE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"");
// After the external lock is released, the `SharedStorageBatchUpdate()` gets
// handled.
external_lock_request1_->ReleaseLock();
task_environment()->RunUntilIdle();
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
}
class SharedStorageLockManagerTransactionalBatchUpdateDisabledTest
: public SharedStorageLockManagerTest {
public:
SharedStorageLockManagerTransactionalBatchUpdateDisabledTest() {
transactional_batch_update_feature_.Reset();
transactional_batch_update_feature_.InitAndDisableFeature(
network::features::kSharedStorageTransactionalBatchUpdate);
}
};
// Test `SharedStorageBatchUpdate` with two methods. The first method requests a
// lock and waits for it to be granted. The second method is handled first.
TEST_F(SharedStorageLockManagerTransactionalBatchUpdateDisabledTest,
BatchUpdate_FirstMethodLockWaitForGranted) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
CreateExternalLockRequest1(origin, /*lock_name=*/"lock1",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::WAIT);
std::vector<network::mojom::SharedStorageModifierMethodWithOptionsPtr>
methods_with_options;
methods_with_options.push_back(MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true,
/*with_lock=*/"lock1"));
methods_with_options.push_back(MojomSetMethod(/*key=*/u"c", /*value=*/u"d",
/*ignore_if_present=*/true));
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageBatchUpdate(
std::move(methods_with_options),
/*with_lock=*/std::nullopt, origin, AccessScope::kWindow,
/*main_frame_id=*/GlobalRenderFrameHostId(),
/*worklet_ordinal_id=*/std::nullopt,
/*worklet_devtools_token=*/base::UnguessableToken::Null(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// The external lock is granted but not yet released. The batch update hasn't
// completely finished, but the second method within the batch has finished.
EXPECT_TRUE(external_lock_request1_->granted());
EXPECT_FALSE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
// After the external lock is released, the first method within the batch
// gets handled.
external_lock_request1_->ReleaseLock();
task_environment()->RunUntilIdle();
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
}
// Test `SharedStorageBatchUpdate` with two methods, both requesting locks and
// waiting for them to be granted. The second method's lock is granted first,
// and thus the second method is handled first.
TEST_F(SharedStorageLockManagerTransactionalBatchUpdateDisabledTest,
BatchUpdate_SecondMethodLockGrantedFirst) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
CreateExternalLockRequest1(origin, /*lock_name=*/"lock1",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::WAIT);
CreateExternalLockRequest2(origin, /*lock_name=*/"lock2",
blink::mojom::LockMode::EXCLUSIVE,
blink::mojom::LockManager::WaitMode::WAIT);
std::vector<network::mojom::SharedStorageModifierMethodWithOptionsPtr>
methods_with_options;
methods_with_options.push_back(MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true,
/*with_lock=*/"lock1"));
methods_with_options.push_back(MojomSetMethod(/*key=*/u"c", /*value=*/u"d",
/*ignore_if_present=*/true,
/*with_lock=*/"lock2"));
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageBatchUpdate(
std::move(methods_with_options),
/*with_lock=*/std::nullopt, origin, AccessScope::kWindow,
/*main_frame_id=*/GlobalRenderFrameHostId(),
/*worklet_ordinal_id=*/std::nullopt,
/*worklet_devtools_token=*/base::UnguessableToken::Null(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// The external locks are granted but not yet released. None of the methods
// within the batch has finished.
EXPECT_TRUE(external_lock_request1_->granted());
EXPECT_TRUE(external_lock_request2_->granted());
EXPECT_FALSE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"");
// After the external 'lock2' is released, the batch update hasn't completely
// finished, but the second method within the batch has finished.
external_lock_request2_->ReleaseLock();
task_environment()->RunUntilIdle();
EXPECT_FALSE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
// After the external 'lock1' is released, the first method within the batch
// gets handled.
external_lock_request1_->ReleaseLock();
task_environment()->RunUntilIdle();
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_TRUE(error_message_future.Take().empty());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
}
TEST_F(SharedStorageLockManagerTransactionalBatchUpdateDisabledTest,
BatchUpdate_BatchLockSameWithInnerMethodLock_Deadlock) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
std::vector<network::mojom::SharedStorageModifierMethodWithOptionsPtr>
methods_with_options;
methods_with_options.push_back(MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true,
/*with_lock=*/"lock1"));
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageBatchUpdate(
std::move(methods_with_options),
/*with_lock=*/"lock1", origin, AccessScope::kWindow,
/*main_frame_id=*/GlobalRenderFrameHostId(),
/*worklet_ordinal_id=*/std::nullopt,
/*worklet_devtools_token=*/base::UnguessableToken::Null(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// The batch lock is blocking the inner method lock, but the batch lock won't
// be released until the inner method gets handled. A deadlock has occurred.
// Note that this is a user-level error.
EXPECT_FALSE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"");
}
TEST_F(SharedStorageLockManagerTransactionalBatchUpdateDisabledTest,
BatchUpdate_TwoInnerMethodsWithSameLock_ImmediatelyHandled) {
url::Origin origin = url::Origin::Create(GURL("https://foo.com"));
std::vector<network::mojom::SharedStorageModifierMethodWithOptionsPtr>
methods_with_options;
methods_with_options.push_back(MojomSetMethod(/*key=*/u"a", /*value=*/u"b",
/*ignore_if_present=*/true,
/*with_lock=*/"lock1"));
methods_with_options.push_back(MojomSetMethod(/*key=*/u"c", /*value=*/u"d",
/*ignore_if_present=*/true,
/*with_lock=*/"lock1"));
base::test::TestFuture<const std::string&> error_message_future;
test_lock_manager_->SharedStorageBatchUpdate(
std::move(methods_with_options),
/*with_lock=*/std::nullopt, origin, AccessScope::kWindow,
/*main_frame_id=*/GlobalRenderFrameHostId(),
/*worklet_ordinal_id=*/std::nullopt,
/*worklet_devtools_token=*/base::UnguessableToken::Null(),
error_message_future.GetCallback());
task_environment()->RunUntilIdle();
// Each method acquires and releases the lock internally. The batch update
// finishes immediately.
EXPECT_TRUE(error_message_future.IsReady());
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"a"), u"b");
EXPECT_EQ(SharedStorageGet(origin, /*key=*/u"c"), u"d");
}
} // namespace content
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