media_devices_util.cc | Explore in Territory

// Copyright 2017 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/media/media_devices_util.h"

#include <utility>
#include <vector>

#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/strings/strcat.h"
#include "base/strings/string_split.h"
#include "base/strings/string_tokenizer.h"
#include "content/browser/browser_main_loop.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "content/browser/renderer_host/render_frame_host_delegate.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/common/features.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/common/content_client.h"
#include "crypto/hmac.h"
#include "media/base/media_switches.h"
#include "media/capture/video/video_capture_device_descriptor.h"
#include "net/cookies/site_for_cookies.h"
#include "url/origin.h"

namespace content {

MediaDeviceType;
MediaStreamType;

namespace {

void GotSalt(const std::string& frame_salt,
             const url::Origin& origin,
             bool has_focus,
             bool is_background,
             std::optional<ukm::SourceId> source_id,
             MediaDeviceSaltAndOriginCallback callback,
             bool are_persistent_device_ids_allowed,
             const std::string& salt) { … }

void FinalizeGetRawMediaDeviceIDForHMAC(
    MediaDeviceType type,
    const MediaDeviceSaltAndOrigin& salt_and_origin,
    const std::string& source_id,
    scoped_refptr<base::SequencedTaskRunner> task_runner,
    base::OnceCallback<void(const std::optional<std::string>&)> callback,
    const MediaDeviceEnumeration& enumeration) { … }

MediaDeviceType ConvertToMediaDeviceType(MediaStreamType stream_type) { … }

}  // namespace

MediaDeviceSaltAndOrigin::MediaDeviceSaltAndOrigin(
    std::string device_id_salt,
    url::Origin origin,
    std::string group_id_salt,
    bool has_focus,
    bool is_background,
    std::optional<ukm::SourceId> ukm_source_id)
    : … { … }

MediaDeviceSaltAndOrigin::MediaDeviceSaltAndOrigin(
    const MediaDeviceSaltAndOrigin& other) = default;
MediaDeviceSaltAndOrigin& MediaDeviceSaltAndOrigin::operator=(
    const MediaDeviceSaltAndOrigin& other) = default;

MediaDeviceSaltAndOrigin::MediaDeviceSaltAndOrigin(
    MediaDeviceSaltAndOrigin&& other) = default;
MediaDeviceSaltAndOrigin& MediaDeviceSaltAndOrigin::operator=(
    MediaDeviceSaltAndOrigin&& other) = default;

MediaDeviceSaltAndOrigin::~MediaDeviceSaltAndOrigin() = default;

MediaDeviceSaltAndOrigin MediaDeviceSaltAndOrigin::Empty() { … }

void GetMediaDeviceSaltAndOrigin(GlobalRenderFrameHostId render_frame_host_id,
                                 MediaDeviceSaltAndOriginCallback callback) { … }

blink::WebMediaDeviceInfo TranslateMediaDeviceInfo(
    bool has_permission,
    const MediaDeviceSaltAndOrigin& salt_and_origin,
    const blink::WebMediaDeviceInfo& device_info) { … }

blink::WebMediaDeviceInfoArray TranslateMediaDeviceInfoArray(
    bool has_permission,
    const MediaDeviceSaltAndOrigin& salt_and_origin,
    const blink::WebMediaDeviceInfoArray& device_infos) { … }

std::string CreateRandomMediaDeviceIDSalt() { … }

void GetHMACFromRawDeviceId(GlobalRenderFrameHostId render_frame_host_id,
                            const std::string& raw_device_id,
                            DeviceIdCallback hmac_device_id_callback) { … }

void GetRawDeviceIdFromHMAC(GlobalRenderFrameHostId render_frame_host_id,
                            const std::string& hmac_device_id,
                            MediaDeviceType media_device_type,
                            OptionalDeviceIdCallback raw_device_id_callback) { … }

std::string GetHMACForRawMediaDeviceID(
    const MediaDeviceSaltAndOrigin& salt_and_origin,
    const std::string& raw_device_id,
    bool use_group_salt) { … }

bool DoesRawMediaDeviceIDMatchHMAC(
    const MediaDeviceSaltAndOrigin& salt_and_origin,
    const std::string& hmac_device_id,
    const std::string& raw_device_id) { … }

void GetRawDeviceIDForMediaStreamHMAC(
    MediaStreamType stream_type,
    MediaDeviceSaltAndOrigin salt_and_origin,
    std::string hmac_device_id,
    scoped_refptr<base::SequencedTaskRunner> task_runner,
    OptionalDeviceIdCallback callback) { … }

void GetRawDeviceIDForMediaDeviceHMAC(
    MediaDeviceType device_type,
    MediaDeviceSaltAndOrigin salt_and_origin,
    std::string hmac_device_id,
    scoped_refptr<base::SequencedTaskRunner> task_runner,
    OptionalDeviceIdCallback callback) { … }

}  // namespace content
chromium/content/browser/media/media_devices_util.cc
