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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CONTENT_BROWSER_MEDIA_WEBRTC_IDENTITY_STORE_H_ |
| 6 #define CONTENT_BROWSER_MEDIA_WEBRTC_IDENTITY_STORE_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/callback.h" |
| 11 #include "content/common/content_export.h" |
| 12 |
| 13 class GURL; |
| 14 |
| 15 namespace base { |
| 16 class TaskRunner; |
| 17 } // namespace base |
| 18 |
| 19 namespace content { |
| 20 |
| 21 class WebRTCIdentityStoreTest; |
| 22 |
| 23 // A class for creating and fetching DTLS identities, i.e. the private key and |
| 24 // the self-signed certificate. |
| 25 class CONTENT_EXPORT WebRTCIdentityStore { |
| 26 public: |
| 27 typedef base::Callback<void(int error, |
| 28 const std::string& certificate, |
| 29 const std::string& private_key)> |
| 30 CompletionCallback; |
| 31 |
| 32 WebRTCIdentityStore(); |
| 33 ~WebRTCIdentityStore(); |
| 34 |
| 35 // Retrieve the cached DTLS private key and certificate, i.e. identity, for |
| 36 // the |origin| and |identity_name| pair, or generate a new identity using |
| 37 // |common_name| if such an identity does not exist. |
| 38 // If the given |common_name| is different from the common name in the cached |
| 39 // identity that has the same origin and identity_name, a new private key and |
| 40 // a new certificate will be generated, overwriting the old one. |
| 41 // TODO(jiayl): implement identity caching through a persistent storage. |
| 42 // |
| 43 // |origin| is the origin of the DTLS connection; |
| 44 // |identity_name| is used to identify an identity within an origin; it is |
| 45 // opaque to WebRTCIdentityStore and remains private to the caller, i.e. not |
| 46 // present in the certificate; |
| 47 // |common_name| is the common name used to generate the certificate and will |
| 48 // be shared with the peer of the DTLS connection. Identities created for |
| 49 // different origins or different identity names may have the same common |
| 50 // name. |
| 51 // |callback| is the callback to return the result. |
| 52 // |
| 53 // Returns the Closure used to cancel the request if the request is accepted. |
| 54 // The Closure can only be called before the request completes. |
| 55 base::Closure RequestIdentity(const GURL& origin, |
| 56 const std::string& identity_name, |
| 57 const std::string& common_name, |
| 58 const CompletionCallback& callback); |
| 59 |
| 60 private: |
| 61 friend class WebRTCIdentityStoreTest; |
| 62 |
| 63 void SetTaskRunnerForTesting( |
| 64 const scoped_refptr<base::TaskRunner>& task_runner); |
| 65 |
| 66 // The TaskRunner for doing work on a worker thread. |
| 67 scoped_refptr<base::TaskRunner> task_runner_; |
| 68 |
| 69 DISALLOW_COPY_AND_ASSIGN(WebRTCIdentityStore); |
| 70 }; |
| 71 |
| 72 } // namespace content |
| 73 |
| 74 #endif // CONTENT_BROWSER_MEDIA_WEBRTC_IDENTITY_STORE_H_ |
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