blob: e7a3ac970274857163f759239bea0cc6d5b2a677 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/media_device_id.h"
#include "base/strings/string_util.h"
#include "content/browser/browser_main_loop.h"
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "media/audio/audio_device_description.h"
namespace content {
std::string GetHMACForMediaDeviceID(const std::string& salt,
const url::Origin& security_origin,
const std::string& raw_unique_id) {
return MediaStreamManager::GetHMACForMediaDeviceID(salt, security_origin,
raw_unique_id);
}
bool DoesMediaDeviceIDMatchHMAC(const std::string& salt,
const url::Origin& security_origin,
const std::string& device_guid,
const std::string& raw_unique_id) {
return MediaStreamManager::DoesMediaDeviceIDMatchHMAC(
salt, security_origin, device_guid, raw_unique_id);
}
bool GetMediaDeviceIDForHMAC(MediaStreamType stream_type,
const std::string& salt,
const url::Origin& security_origin,
const std::string& source_id,
std::string* device_id) {
content::MediaStreamManager* manager =
content::BrowserMainLoop::GetInstance()->media_stream_manager();
return manager->TranslateSourceIdToDeviceId(
content::MEDIA_DEVICE_VIDEO_CAPTURE, salt, security_origin, source_id,
device_id);
}
bool IsValidDeviceId(const std::string& device_id) {
constexpr int hash_size = 64; // 32 bytes * 2 char/byte hex encoding
if (media::AudioDeviceDescription::IsDefaultDevice(device_id) ||
device_id == media::AudioDeviceDescription::kCommunicationsDeviceId)
return true;
if (device_id.length() != hash_size)
return false;
return std::all_of(device_id.cbegin(), device_id.cend(), [](const char& c) {
return base::IsAsciiLower(c) || base::IsAsciiDigit(c);
});
}
} // namespace content