| // 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. |
| // |
| // Media device IDs come in two flavors: The machine-wide unique ID of |
| // the device, which is what we use on the browser side, and one-way |
| // hashes over the unique ID and a security origin, which we provide |
| // to code on the renderer side as per-security-origin IDs. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_MEDIA_DEVICE_ID_H_ |
| #define CONTENT_PUBLIC_BROWSER_MEDIA_DEVICE_ID_H_ |
| |
| #include <string> |
| |
| #include "content/common/content_export.h" |
| #include "content/public/browser/resource_context.h" |
| #include "content/public/common/media_stream_request.h" |
| #include "url/origin.h" |
| |
| namespace content { |
| |
| // Generates a one-way hash of a device's unique ID usable by one |
| // particular security origin. |
| CONTENT_EXPORT std::string GetHMACForMediaDeviceID( |
| const ResourceContext::SaltCallback& sc, |
| const url::Origin& security_origin, |
| const std::string& raw_unique_id); |
| |
| // Convenience method to check if |device_guid| is an HMAC of |
| // |raw_device_id| for |security_origin|. |
| CONTENT_EXPORT bool DoesMediaDeviceIDMatchHMAC( |
| const ResourceContext::SaltCallback& sc, |
| const url::Origin& security_origin, |
| const std::string& device_guid, |
| const std::string& raw_unique_id); |
| |
| CONTENT_EXPORT bool GetMediaDeviceIDForHMAC( |
| MediaStreamType stream_type, |
| const ResourceContext::SaltCallback& rc, |
| const url::Origin& security_origin, |
| const std::string& source_id, |
| std::string* device_id); |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_MEDIA_DEVICE_ID_H_ |