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content / browser / media / media_devices_util_browsertest.cc [blame]
// 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 "base/task/bind_post_task.h"
#include "content/browser/media/media_devices_util.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/test_future.h"
#include "content/browser/browser_main_loop.h"
#include "content/browser/renderer_host/media/media_devices_manager.h"
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "content/browser/renderer_host/media/media_stream_ui_proxy.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/media_device_id.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "content/shell/browser/shell.h"
#include "media/audio/audio_device_description.h"
#include "media/base/media_switches.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/mediastream/media_devices.mojom-shared.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-shared.h"
#include "url/origin.h"
namespace content {
using ::blink::mojom::MediaDeviceType;
using ::blink::mojom::MediaStreamType;
using ::testing::ElementsAre;
using ::testing::Eq;
using ::testing::Optional;
namespace {
// Returns true if the `device_id` corresponds to the system default or
// communications device, false otherwise.
bool IsSpecialAudioDeviceId(MediaDeviceType device_type,
const std::string& device_id) {
return (device_type == MediaDeviceType::kMediaAudioInput ||
device_type == MediaDeviceType::kMediaAudioOutput) &&
(media::AudioDeviceDescription::IsDefaultDevice(device_id) ||
media::AudioDeviceDescription::IsCommunicationsDevice(device_id));
}
std::optional<MediaStreamType> ToMediaStreamType(MediaDeviceType device_type) {
switch (device_type) {
case MediaDeviceType::kMediaAudioInput:
return MediaStreamType::DEVICE_AUDIO_CAPTURE;
case MediaDeviceType::kMediaVideoInput:
return MediaStreamType::DEVICE_VIDEO_CAPTURE;
default:
return std::nullopt;
}
}
void VerifyHMACDeviceID(MediaDeviceType device_type,
const std::string& hmac_device_id,
const std::string& raw_device_id) {
EXPECT_TRUE(IsValidDeviceId(hmac_device_id));
if (IsSpecialAudioDeviceId(device_type, hmac_device_id)) {
EXPECT_EQ(raw_device_id, hmac_device_id);
} else {
EXPECT_NE(raw_device_id, hmac_device_id);
}
}
blink::StreamControls GetAudioStreamControls(std::string hmac_device_id) {
blink::StreamControls stream_controls{/*request_audio=*/true,
/*request_video=*/false};
stream_controls.audio.device_ids = {hmac_device_id};
return stream_controls;
}
blink::mojom::StreamSelectionInfoPtr NewSearchBySessionId(
base::flat_map<std::string, base::UnguessableToken> session_id_map) {
return blink::mojom::StreamSelectionInfo::NewSearchBySessionId(
blink::mojom::SearchBySessionId::New(session_id_map));
}
} // namespace
class MediaDevicesUtilBrowserTest : public ContentBrowserTest {
protected:
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
}
void SetUpOnMainThread() override {
ContentBrowserTest::SetUpOnMainThread();
frame_id_ = shell()->web_contents()->GetPrimaryMainFrame()->GetGlobalId();
device_enumeration_ = EnumerateDevices();
ASSERT_EQ(device_enumeration_.size(),
static_cast<size_t>(MediaDeviceType::kNumMediaDeviceTypes));
for (const auto& typed_enumeration : device_enumeration_) {
ASSERT_FALSE(typed_enumeration.empty());
}
origin_ = shell()
->web_contents()
->GetPrimaryMainFrame()
->GetLastCommittedOrigin();
}
MediaDeviceEnumeration EnumerateDevices() const {
MediaStreamManager* media_stream_manager =
BrowserMainLoop::GetInstance()->media_stream_manager();
MediaDeviceEnumeration device_enumeration;
base::RunLoop run_loop;
content::GetIOThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindLambdaForTesting([&]() {
MediaDevicesManager::BoolDeviceTypes types;
types[static_cast<size_t>(MediaDeviceType::kMediaAudioInput)] = true;
types[static_cast<size_t>(MediaDeviceType::kMediaAudioOutput)] = true;
types[static_cast<size_t>(MediaDeviceType::kMediaVideoInput)] = true;
base::test::TestFuture<const MediaDeviceEnumeration&> future;
media_stream_manager->media_devices_manager()->EnumerateDevices(
types, base::BindLambdaForTesting(
[&](const MediaDeviceEnumeration& enumeration) {
device_enumeration = enumeration;
run_loop.Quit();
}));
}));
run_loop.Run();
return device_enumeration;
}
MediaDeviceSaltAndOrigin GetSaltAndOrigin() {
base::test::TestFuture<const MediaDeviceSaltAndOrigin&> future;
GetMediaDeviceSaltAndOrigin(frame_id_, future.GetCallback());
return future.Get();
}
void GenerateStreams(
GlobalRenderFrameHostId render_frame_host_id,
const blink::StreamControls& controls,
MediaDeviceSaltAndOrigin salt_and_origin,
MediaStreamManager::GenerateStreamsCallback generate_stream_cb) {
GetIOThreadTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(
&MediaStreamManager::GenerateStreams,
base::Unretained(
BrowserMainLoop::GetInstance()->media_stream_manager()),
render_frame_host_id, /*requester_id=*/0, /*page_request_id=*/0,
controls, salt_and_origin,
/*user_gesture=*/false,
/*audio_stream_selection_info_ptr=*/
NewSearchBySessionId({}),
base::BindPostTaskToCurrentDefault(std::move(generate_stream_cb)),
/*device_stopped_cb=*/base::DoNothing(),
/*device_changed_cb=*/base::DoNothing(),
/*device_request_state_change_cb*/ base::DoNothing(),
/*device_capture_configuration_change_cb=*/base::DoNothing(),
/*device_capture_handle_change_cb=*/base::DoNothing(),
/*zoom_level_change_callback=*/base::DoNothing()));
}
GlobalRenderFrameHostId frame_id_;
url::Origin origin_;
MediaDeviceEnumeration device_enumeration_;
};
// This test provides coverage for the utilities in
// content/public/media_device_id.h
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest, TranslateDeviceIdAndBack) {
const std::string salt = CreateRandomMediaDeviceIDSalt();
EXPECT_FALSE(salt.empty());
for (int i = 0; i < static_cast<int>(MediaDeviceType::kNumMediaDeviceTypes);
++i) {
MediaDeviceType device_type = static_cast<MediaDeviceType>(i);
for (const auto& device_info : device_enumeration_[i]) {
testing::Message message;
message << "Testing device_type = " << device_type
<< ", raw device ID = " << device_info.device_id;
SCOPED_TRACE(message);
std::string hmac_device_id =
GetHMACForMediaDeviceID(salt, origin_, device_info.device_id);
VerifyHMACDeviceID(device_type, hmac_device_id, device_info.device_id);
std::optional<MediaStreamType> stream_type =
ToMediaStreamType(device_type);
EXPECT_EQ(stream_type.has_value(),
device_type != MediaDeviceType::kMediaAudioOutput);
if (!stream_type.has_value()) {
continue;
}
base::test::TestFuture<const std::optional<std::string>&> future;
GetMediaDeviceIDForHMAC(*stream_type, salt, origin_, hmac_device_id,
base::SequencedTaskRunner::GetCurrentDefault(),
future.GetCallback());
std::optional<std::string> raw_device_id = future.Get();
EXPECT_THAT(raw_device_id, Optional(device_info.device_id));
}
}
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest,
GetMediaDeviceSaltAndOrigin) {
MediaDeviceSaltAndOrigin salt_and_origin = GetSaltAndOrigin();
EXPECT_FALSE(salt_and_origin.device_id_salt().empty());
EXPECT_FALSE(salt_and_origin.group_id_salt().empty());
EXPECT_NE(salt_and_origin.device_id_salt(), salt_and_origin.group_id_salt());
EXPECT_EQ(
salt_and_origin.origin(),
shell()->web_contents()->GetPrimaryMainFrame()->GetLastCommittedOrigin());
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest,
TranslateMediaDeviceInfoArrayWithPermission) {
MediaDeviceSaltAndOrigin salt_and_origin = GetSaltAndOrigin();
for (const auto& device_infos : device_enumeration_) {
blink::WebMediaDeviceInfoArray web_media_device_infos =
TranslateMediaDeviceInfoArray(/*has_permission=*/true, salt_and_origin,
device_infos);
EXPECT_EQ(web_media_device_infos.size(), device_infos.size());
for (size_t j = 0; j < device_infos.size(); ++j) {
EXPECT_EQ(web_media_device_infos[j].device_id,
GetHMACForRawMediaDeviceID(salt_and_origin,
device_infos[j].device_id));
EXPECT_EQ(web_media_device_infos[j].label, device_infos[j].label);
EXPECT_EQ(
web_media_device_infos[j].group_id,
GetHMACForRawMediaDeviceID(salt_and_origin, device_infos[j].group_id,
/*use_group_salt=*/true));
}
}
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest,
TranslateMediaDeviceInfoArrayWithoutPermission) {
MediaDeviceSaltAndOrigin salt_and_origin = GetSaltAndOrigin();
for (const auto& device_infos : device_enumeration_) {
blink::WebMediaDeviceInfoArray web_media_device_infos =
TranslateMediaDeviceInfoArray(/*has_permission=*/false, salt_and_origin,
device_infos);
EXPECT_EQ(web_media_device_infos.size(), 1u);
for (const auto& device_info : web_media_device_infos) {
EXPECT_TRUE(device_info.device_id.empty());
EXPECT_TRUE(device_info.label.empty());
EXPECT_TRUE(device_info.group_id.empty());
}
}
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest, TranslationWithoutSalt) {
for (int i = 0; i < static_cast<int>(MediaDeviceType::kNumMediaDeviceTypes);
++i) {
SCOPED_TRACE(base::StringPrintf("device_type %d", i));
MediaDeviceType device_type = static_cast<MediaDeviceType>(i);
for (const auto& device_info : device_enumeration_[i]) {
base::test::TestFuture<const std::string&> future_hmac;
GetHMACFromRawDeviceId(frame_id_, device_info.device_id,
future_hmac.GetCallback());
std::string hmac_device_id = future_hmac.Get();
VerifyHMACDeviceID(device_type, hmac_device_id, device_info.device_id);
base::test::TestFuture<const std::optional<std::string>&> future_raw;
GetRawDeviceIdFromHMAC(frame_id_, hmac_device_id, device_type,
future_raw.GetCallback());
std::optional<std::string> raw_device_id = future_raw.Get();
EXPECT_THAT(raw_device_id, Optional(device_info.device_id));
}
}
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest,
GetRawMediaDeviceIDForHMAC) {
const MediaDeviceSaltAndOrigin salt_and_origin = GetSaltAndOrigin();
const std::string existing_raw_device_id =
device_enumeration_[0][0].device_id;
const std::string existing_hmac_device_id =
GetHMACForRawMediaDeviceID(salt_and_origin, existing_raw_device_id);
base::test::TestFuture<const std::optional<std::string>&> future;
GetIOThreadTaskRunner()->PostTask(
FROM_HERE, base::BindOnce(&GetRawDeviceIDForMediaStreamHMAC,
MediaStreamType::DEVICE_AUDIO_CAPTURE,
salt_and_origin, existing_hmac_device_id,
base::SequencedTaskRunner::GetCurrentDefault(),
future.GetCallback()));
std::optional<std::string> raw_device_id = future.Get();
ASSERT_TRUE(raw_device_id.has_value());
EXPECT_EQ(*raw_device_id, existing_raw_device_id);
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest, GetRawAudioOutputDeviceID) {
const MediaDeviceSaltAndOrigin salt_and_origin = GetSaltAndOrigin();
const std::string existing_raw_device_id =
device_enumeration_[static_cast<size_t>(
MediaDeviceType::kMediaAudioOutput)][0]
.device_id;
const std::string existing_hmac_device_id =
GetHMACForRawMediaDeviceID(salt_and_origin, existing_raw_device_id);
base::test::TestFuture<const std::optional<std::string>&> future;
GetIOThreadTaskRunner()->PostTask(
FROM_HERE, base::BindOnce(&GetRawDeviceIDForMediaDeviceHMAC,
MediaDeviceType::kMediaAudioOutput,
salt_and_origin, existing_hmac_device_id,
base::SequencedTaskRunner::GetCurrentDefault(),
future.GetCallback()));
std::optional<std::string> raw_device_id = future.Get();
ASSERT_TRUE(raw_device_id.has_value());
EXPECT_EQ(*raw_device_id, existing_raw_device_id);
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest,
GetRawDeviceIDForNonexistingHMAC) {
base::test::TestFuture<const std::optional<std::string>&> future;
GetIOThreadTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(&GetRawDeviceIDForMediaDeviceHMAC,
MediaDeviceType::kMediaAudioOutput, GetSaltAndOrigin(),
"nonexisting_hmac_device_id",
base::SequencedTaskRunner::GetCurrentDefault(),
future.GetCallback()));
std::optional<std::string> raw_device_id = future.Get();
EXPECT_FALSE(raw_device_id.has_value());
}
IN_PROC_BROWSER_TEST_F(MediaDevicesUtilBrowserTest,
GetMediaCaptureRawDeviceIdsOpenedForWebContents) {
base::test::TestFuture<void> use_fake_ui_factory_for_tests_future;
GetIOThreadTaskRunner()->PostTaskAndReply(
FROM_HERE,
base::BindOnce(
&MediaStreamManager::UseFakeUIFactoryForTests,
base::Unretained(
BrowserMainLoop::GetInstance()->media_stream_manager()),
base::BindRepeating([]() {
return std::make_unique<FakeMediaStreamUIProxy>(
/* tests_use_fake_render_frame_hosts=*/true);
}),
/*use_for_gum_desktop_capture=*/false,
/*captured_tab_id=*/std::nullopt),
use_fake_ui_factory_for_tests_future.GetCallback());
ASSERT_TRUE(use_fake_ui_factory_for_tests_future.Wait());
auto audio_devices = device_enumeration_[static_cast<size_t>(
MediaDeviceType::kMediaAudioInput)];
const auto kDevice1RawId = audio_devices[0].device_id;
const auto kDevice1HMACId =
GetHMACForRawMediaDeviceID(GetSaltAndOrigin(), kDevice1RawId);
const auto kDevice2RawId = audio_devices[1].device_id;
const auto kDevice2HMACId =
GetHMACForRawMediaDeviceID(GetSaltAndOrigin(), kDevice2RawId);
base::test::TestFuture<blink::mojom::MediaStreamRequestResult,
const std::string&, blink::mojom::StreamDevicesSetPtr,
bool>
streams_generated_future;
GenerateStreams(frame_id_, GetAudioStreamControls(kDevice2HMACId),
GetSaltAndOrigin(), streams_generated_future.GetCallback());
ASSERT_EQ(std::get<0>(streams_generated_future.Take()),
blink::mojom::MediaStreamRequestResult::OK)
<< "GenerateStreams() call failed";
// Open device 1 on another render frame id. Device 1 shouldn't be
// included in the response from `GetRawDeviceIdsOpenedForFrame()`.
GenerateStreams({42, 38}, GetAudioStreamControls(kDevice1HMACId),
GetSaltAndOrigin(), streams_generated_future.GetCallback());
ASSERT_EQ(std::get<0>(streams_generated_future.Take()),
blink::mojom::MediaStreamRequestResult::OK)
<< "GenerateStreams() call failed";
base::test::TestFuture<std::vector<std::string>>
get_raw_device_ids_opened_for_web_contents_future;
shell()->web_contents()->GetMediaCaptureRawDeviceIdsOpened(
blink::mojom::MediaStreamType::DEVICE_AUDIO_CAPTURE,
get_raw_device_ids_opened_for_web_contents_future.GetCallback());
EXPECT_THAT(get_raw_device_ids_opened_for_web_contents_future.Get(),
ElementsAre(kDevice2RawId));
}
} // namespace content