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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_BASE_MEDIA_KEYS_H_ | 5 #ifndef MEDIA_BASE_MEDIA_KEYS_H_ |
6 #define MEDIA_BASE_MEDIA_KEYS_H_ | 6 #define MEDIA_BASE_MEDIA_KEYS_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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82 LICENSE_REQUEST, | 82 LICENSE_REQUEST, |
83 LICENSE_RENEWAL, | 83 LICENSE_RENEWAL, |
84 LICENSE_RELEASE, | 84 LICENSE_RELEASE, |
85 MESSAGE_TYPE_MAX = LICENSE_RELEASE | 85 MESSAGE_TYPE_MAX = LICENSE_RELEASE |
86 }; | 86 }; |
87 | 87 |
88 virtual ~MediaKeys(); | 88 virtual ~MediaKeys(); |
89 | 89 |
90 // Provides a server certificate to be used to encrypt messages to the | 90 // Provides a server certificate to be used to encrypt messages to the |
91 // license server. | 91 // license server. |
92 virtual void SetServerCertificate(const uint8* certificate_data, | 92 virtual void SetServerCertificate(const std::vector<uint8_t>& certificate, |
93 int certificate_data_length, | |
94 scoped_ptr<SimpleCdmPromise> promise) = 0; | 93 scoped_ptr<SimpleCdmPromise> promise) = 0; |
95 | 94 |
96 // Creates a session with |session_type|. Then generates a request with the | 95 // Creates a session with |session_type|. Then generates a request with the |
97 // |init_data_type| and |init_data|. | 96 // |init_data_type| and |init_data|. |
98 // Note: | 97 // Note: |
99 // 1. The session ID will be provided when the |promise| is resolved. | 98 // 1. The session ID will be provided when the |promise| is resolved. |
100 // 2. The generated request should be returned through a SessionMessageCB, | 99 // 2. The generated request should be returned through a SessionMessageCB, |
101 // which must be AFTER the |promise| is resolved. Otherwise, the session ID | 100 // which must be AFTER the |promise| is resolved. Otherwise, the session ID |
102 // in the callback will not be recognized. | 101 // in the callback will not be recognized. |
103 // 3. UpdateSession(), CloseSession() and RemoveSession() should only be | 102 // 3. UpdateSession(), CloseSession() and RemoveSession() should only be |
104 // called after the |promise| is resolved. | 103 // called after the |promise| is resolved. |
105 virtual void CreateSessionAndGenerateRequest( | 104 virtual void CreateSessionAndGenerateRequest( |
106 SessionType session_type, | 105 SessionType session_type, |
107 EmeInitDataType init_data_type, | 106 EmeInitDataType init_data_type, |
108 const uint8* init_data, | 107 const std::vector<uint8_t>& init_data, |
109 int init_data_length, | |
110 scoped_ptr<NewSessionCdmPromise> promise) = 0; | 108 scoped_ptr<NewSessionCdmPromise> promise) = 0; |
111 | 109 |
112 // Loads a session with the |session_id| provided. | 110 // Loads a session with the |session_id| provided. |
113 // Note: UpdateSession(), CloseSession() and RemoveSession() should only be | 111 // Note: UpdateSession(), CloseSession() and RemoveSession() should only be |
114 // called after the |promise| is resolved. | 112 // called after the |promise| is resolved. |
115 virtual void LoadSession(SessionType session_type, | 113 virtual void LoadSession(SessionType session_type, |
116 const std::string& session_id, | 114 const std::string& session_id, |
117 scoped_ptr<NewSessionCdmPromise> promise) = 0; | 115 scoped_ptr<NewSessionCdmPromise> promise) = 0; |
118 | 116 |
119 // Updates a session specified by |session_id| with |response|. | 117 // Updates a session specified by |session_id| with |response|. |
120 virtual void UpdateSession(const std::string& session_id, | 118 virtual void UpdateSession(const std::string& session_id, |
121 const uint8* response, | 119 const std::vector<uint8_t>& response, |
122 int response_length, | |
123 scoped_ptr<SimpleCdmPromise> promise) = 0; | 120 scoped_ptr<SimpleCdmPromise> promise) = 0; |
124 | 121 |
125 // Closes the session specified by |session_id|. The CDM should resolve or | 122 // Closes the session specified by |session_id|. The CDM should resolve or |
126 // reject the |promise| when the call has been processed. This may be before | 123 // reject the |promise| when the call has been processed. This may be before |
127 // the session is closed. Once the session is closed, a SessionClosedCB must | 124 // the session is closed. Once the session is closed, a SessionClosedCB must |
128 // also be called. | 125 // also be called. |
129 virtual void CloseSession(const std::string& session_id, | 126 virtual void CloseSession(const std::string& session_id, |
130 scoped_ptr<SimpleCdmPromise> promise) = 0; | 127 scoped_ptr<SimpleCdmPromise> promise) = 0; |
131 | 128 |
132 // Removes stored session data associated with the session specified by | 129 // Removes stored session data associated with the session specified by |
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144 | 141 |
145 private: | 142 private: |
146 DISALLOW_COPY_AND_ASSIGN(MediaKeys); | 143 DISALLOW_COPY_AND_ASSIGN(MediaKeys); |
147 }; | 144 }; |
148 | 145 |
149 // Key event callbacks. See the spec for details: | 146 // Key event callbacks. See the spec for details: |
150 // https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-
media.html#event-summary | 147 // https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-
media.html#event-summary |
151 | 148 |
152 typedef base::Callback<void(const std::string& session_id, | 149 typedef base::Callback<void(const std::string& session_id, |
153 MediaKeys::MessageType message_type, | 150 MediaKeys::MessageType message_type, |
154 const std::vector<uint8>& message, | 151 const std::vector<uint8_t>& message, |
155 const GURL& legacy_destination_url)> | 152 const GURL& legacy_destination_url)> |
156 SessionMessageCB; | 153 SessionMessageCB; |
157 | 154 |
158 // Called when the session specified by |session_id| is closed. Note that the | 155 // Called when the session specified by |session_id| is closed. Note that the |
159 // CDM may close a session at any point, such as in response to a CloseSession() | 156 // CDM may close a session at any point, such as in response to a CloseSession() |
160 // call, when the session is no longer needed, or when system resources are | 157 // call, when the session is no longer needed, or when system resources are |
161 // lost. See for details: http://w3c.github.io/encrypted-media/#session-close | 158 // lost. See for details: http://w3c.github.io/encrypted-media/#session-close |
162 typedef base::Callback<void(const std::string& session_id)> SessionClosedCB; | 159 typedef base::Callback<void(const std::string& session_id)> SessionClosedCB; |
163 | 160 |
164 typedef base::Callback<void(const std::string& session_id, | 161 typedef base::Callback<void(const std::string& session_id, |
165 MediaKeys::Exception exception, | 162 MediaKeys::Exception exception, |
166 uint32 system_code, | 163 uint32_t system_code, |
167 const std::string& error_message)> | 164 const std::string& error_message)> |
168 LegacySessionErrorCB; | 165 LegacySessionErrorCB; |
169 | 166 |
170 typedef base::Callback<void(const std::string& session_id, | 167 typedef base::Callback<void(const std::string& session_id, |
171 bool has_additional_usable_key, | 168 bool has_additional_usable_key, |
172 CdmKeysInfo keys_info)> SessionKeysChangeCB; | 169 CdmKeysInfo keys_info)> SessionKeysChangeCB; |
173 | 170 |
174 typedef base::Callback<void(const std::string& session_id, | 171 typedef base::Callback<void(const std::string& session_id, |
175 const base::Time& new_expiry_time)> | 172 const base::Time& new_expiry_time)> |
176 SessionExpirationUpdateCB; | 173 SessionExpirationUpdateCB; |
177 | 174 |
178 } // namespace media | 175 } // namespace media |
179 | 176 |
180 #endif // MEDIA_BASE_MEDIA_KEYS_H_ | 177 #endif // MEDIA_BASE_MEDIA_KEYS_H_ |
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