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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 "content/browser/permissions/embedded_permission_control_checker.h"
#include <optional>
#include "base/run_loop.h"
#include "base/test/scoped_feature_list.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/render_frame_host_test_support.h"
#include "content/public/test/test_renderer_host.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/features_generated.h"
#include "third_party/blink/public/mojom/permissions/permission.mojom.h"
#include "third_party/blink/public/mojom/permissions/permission_status.mojom.h"
#include "url/gurl.h"
using blink::mojom::EmbeddedPermissionControlClient;
using blink::mojom::PermissionDescriptor;
using blink::mojom::PermissionDescriptorPtr;
using blink::mojom::PermissionName;
using blink::mojom::PermissionService;
using blink::mojom::PermissionStatus;
using ::testing::_;
namespace content {
namespace {
constexpr static int kMaxPEPCPerPage = 3;
class MockEmbeddedPermissionControlClient
: public EmbeddedPermissionControlClient {
public:
explicit MockEmbeddedPermissionControlClient(
mojo::PendingReceiver<EmbeddedPermissionControlClient> pending_receiver) {
receiver_.Bind(std::move(pending_receiver));
}
~MockEmbeddedPermissionControlClient() override = default;
MOCK_METHOD2(
OnEmbeddedPermissionControlRegistered,
void(bool allowed,
const std::optional<std::vector<PermissionStatus>>& statuses));
void ExpectEmbeddedPermissionControlRegistered() {
base::RunLoop run_loop;
EXPECT_CALL(*this, OnEmbeddedPermissionControlRegistered(/*allow*/ true, _))
.Times(1);
run_loop.RunUntilIdle();
}
void ExpectEmbeddedPermissionControlNotRegistered() {
base::RunLoop run_loop;
EXPECT_CALL(*this, OnEmbeddedPermissionControlRegistered(/*allow*/ true, _))
.Times(0);
run_loop.RunUntilIdle();
}
private:
mojo::Receiver<EmbeddedPermissionControlClient> receiver_{this};
};
} // namespace
class EmbeddedPermissionControlCheckerTest
: public content::RenderViewHostTestHarness {
public:
EmbeddedPermissionControlCheckerTest()
: scoped_feature_list_(blink::features::kPermissionElement) {}
EmbeddedPermissionControlCheckerTest(
const EmbeddedPermissionControlCheckerTest&) = delete;
EmbeddedPermissionControlCheckerTest& operator=(
const EmbeddedPermissionControlCheckerTest&) = delete;
~EmbeddedPermissionControlCheckerTest() override = default;
void SetUp() override {
content::RenderViewHostTestHarness::SetUp();
SetContents(CreateTestWebContents());
NavigateAndCommit(GURL("https://www.google.com"));
content::CreatePermissionService(
main_rfh(), permission_service_.BindNewPipeAndPassReceiver());
}
PermissionService* permission_service() { return permission_service_.get(); }
std::unique_ptr<MockEmbeddedPermissionControlClient>
CreateEmbeddedPermissionControlClient(
std::vector<PermissionName> permissions) {
mojo::PendingRemote<EmbeddedPermissionControlClient> mojo_client;
auto client = std::make_unique<MockEmbeddedPermissionControlClient>(
mojo_client.InitWithNewPipeAndPassReceiver());
std::vector<PermissionDescriptorPtr> permission_descriptors;
permission_descriptors.reserve(permissions.size());
std::ranges::transform(permissions,
std::back_inserter(permission_descriptors),
[](const auto& permission) {
auto descriptor = PermissionDescriptor::New();
descriptor->name = permission;
return descriptor;
});
permission_service()->RegisterPageEmbeddedPermissionControl(
std::move(permission_descriptors), std::move(mojo_client));
return client;
}
private:
mojo::Remote<PermissionService> permission_service_;
base::test::ScopedFeatureList scoped_feature_list_;
};
TEST_F(EmbeddedPermissionControlCheckerTest,
IgnoreRegisteregisterPageEmbeddedPermissionCheck) {
base::test::ScopedFeatureList features;
features.InitAndEnableFeature(blink::features::kBypassPepcSecurityForTesting);
for (PermissionName name :
{PermissionName::AUDIO_CAPTURE, PermissionName::VIDEO_CAPTURE,
PermissionName::GEOLOCATION}) {
std::vector<std::unique_ptr<MockEmbeddedPermissionControlClient>> clients(
kMaxPEPCPerPage + 3);
for (size_t i = 0; i < kMaxPEPCPerPage + 3; ++i) {
clients[i] = CreateEmbeddedPermissionControlClient({name});
clients[i]->ExpectEmbeddedPermissionControlRegistered();
}
}
}
TEST_F(EmbeddedPermissionControlCheckerTest,
RegisterPageEmbeddedPermissionSinglePermission) {
for (PermissionName name :
{PermissionName::AUDIO_CAPTURE, PermissionName::VIDEO_CAPTURE,
PermissionName::GEOLOCATION}) {
std::vector<std::unique_ptr<MockEmbeddedPermissionControlClient>> clients(
kMaxPEPCPerPage);
for (size_t i = 0; i < kMaxPEPCPerPage; ++i) {
clients[i] = CreateEmbeddedPermissionControlClient({name});
clients[i]->ExpectEmbeddedPermissionControlRegistered();
}
auto pending_client_1 = CreateEmbeddedPermissionControlClient({name});
pending_client_1->ExpectEmbeddedPermissionControlNotRegistered();
auto pending_client_2 = CreateEmbeddedPermissionControlClient({name});
pending_client_2->ExpectEmbeddedPermissionControlNotRegistered();
clients.pop_back();
pending_client_1->ExpectEmbeddedPermissionControlRegistered();
pending_client_2->ExpectEmbeddedPermissionControlNotRegistered();
clients.pop_back();
pending_client_2->ExpectEmbeddedPermissionControlRegistered();
}
}
TEST_F(EmbeddedPermissionControlCheckerTest,
RegisterPageEmbeddedPermissionMultiplePermissions) {
std::vector<std::unique_ptr<MockEmbeddedPermissionControlClient>>
grouped_clients(kMaxPEPCPerPage);
for (size_t i = 0; i < kMaxPEPCPerPage; ++i) {
grouped_clients[i] = CreateEmbeddedPermissionControlClient(
{PermissionName::AUDIO_CAPTURE, PermissionName::VIDEO_CAPTURE});
grouped_clients[i]->ExpectEmbeddedPermissionControlRegistered();
}
// Embedded permission control of a single permission will not count towards
// the grouped one.
for (PermissionName name :
{PermissionName::AUDIO_CAPTURE, PermissionName::VIDEO_CAPTURE,
PermissionName::GEOLOCATION}) {
std::vector<std::unique_ptr<MockEmbeddedPermissionControlClient>> clients(
kMaxPEPCPerPage);
for (size_t i = 0; i < kMaxPEPCPerPage; ++i) {
clients[i] = CreateEmbeddedPermissionControlClient({name});
clients[i]->ExpectEmbeddedPermissionControlRegistered();
}
}
// Changing order of permissions does not matter.
auto pending_client_1 = CreateEmbeddedPermissionControlClient(
{PermissionName::VIDEO_CAPTURE, PermissionName::AUDIO_CAPTURE});
pending_client_1->ExpectEmbeddedPermissionControlNotRegistered();
auto pending_client_2 = CreateEmbeddedPermissionControlClient(
{PermissionName::VIDEO_CAPTURE, PermissionName::AUDIO_CAPTURE});
pending_client_2->ExpectEmbeddedPermissionControlNotRegistered();
grouped_clients.pop_back();
pending_client_1->ExpectEmbeddedPermissionControlRegistered();
pending_client_2->ExpectEmbeddedPermissionControlNotRegistered();
grouped_clients.pop_back();
pending_client_2->ExpectEmbeddedPermissionControlRegistered();
}
} // namespace content
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