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<div id="projectname">Shaka Packager SDK
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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_e3bda0bde998a4d5063328245b9909be.html">base</a></li> </ul>
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<div class="title">playready_key_source.cc</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/base/playready_key_source.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/base64.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/base/strings/string_util.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/buffer_writer.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/base/http_key_fetcher.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/media/base/key_source.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/media/base/protection_system_ids.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/status_macros.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">const</span> uint32_t kHttpFetchTimeout = 60; <span class="comment">// In seconds</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">const</span> std::string kAcquireLicenseRequest =</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="stringliteral">"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="stringliteral">"<soap:Envelope xmlns=\"http://schemas.xmlsoap.org/soap/envelope/\" "</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">"xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="stringliteral">"xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="stringliteral">"<soap:Body>"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="stringliteral">"<AcquirePackagingData "</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="stringliteral">"xmlns=\"http://schemas.microsoft.com/DRM/2007/03/protocols\">"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="stringliteral">"<challenge "</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"xmlns=\"http://schemas.microsoft.com/DRM"</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"/2007/03/protocols/AcquirePackagingData/v1.0\">"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="stringliteral">"<ProtectionSystems>"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="stringliteral">"<ProtectionSystemId>9A04F079-9840-4286-AB92-E65BE0885F95"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="stringliteral">"</ProtectionSystemId>"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="stringliteral">"</ProtectionSystems>"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="stringliteral">"<StreamProtectionRequests>"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">"<StreamInformation>"</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="stringliteral">"<ProgramIdentifier>$0</ProgramIdentifier>"</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="stringliteral">"<OffsetFromProgramStart>P0S</OffsetFromProgramStart>"</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="stringliteral">"</StreamInformation>"</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="stringliteral">"</StreamProtectionRequests>"</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="stringliteral">"</challenge>"</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="stringliteral">"</AcquirePackagingData>"</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="stringliteral">"</soap:Body>"</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="stringliteral">"</soap:Envelope>"</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">bool</span> Base64StringToBytes(<span class="keyword">const</span> std::string& base64_string,</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::vector<uint8_t>* bytes) {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  DCHECK(bytes);</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  std::string str;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (!base::Base64Decode(base64_string, &str))</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  bytes->assign(str.begin(), str.end());</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#abe508cd48429ff2c6935b47e77672c5f"> 65</a></span> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#abe508cd48429ff2c6935b47e77672c5f">PlayReadyKeySource::PlayReadyKeySource</a>(<span class="keyword">const</span> std::string& server_url,</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac">ProtectionSystem</a> protection_systems)</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// PlayReady PSSH is retrived from PlayReady server response.</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  : generate_playready_protection_system_(</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Generate PlayReady protection system if there are no other</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// protection system specified.</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  protection_systems == <a class="code" href="../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac">ProtectionSystem</a>::kNone ||</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  has_flag(protection_systems, <a class="code" href="../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac">ProtectionSystem</a>::kPlayReady)),</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  encryption_key_(new <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>),</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  server_url_(server_url) {}</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> PlayReadyKeySource::~PlayReadyKeySource() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> RetrieveTextInXMLElement(<span class="keyword">const</span> std::string& element,</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> std::string& xml,</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  std::string* value) {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::string start_tag = <span class="stringliteral">"<"</span> + element + <span class="stringliteral">">"</span>;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::string end_tag = <span class="stringliteral">"</"</span> + element + <span class="stringliteral">">"</span>;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::size_t start_pos = xml.find(start_tag);</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (start_pos == std::string::npos) {</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::SERVER_ERROR,</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="stringliteral">"Unable to find tag: "</span> + start_tag);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  start_pos += start_tag.size();</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  std::size_t end_pos = xml.find(end_tag);</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (end_pos == std::string::npos) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::SERVER_ERROR,</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="stringliteral">"Unable to find tag: "</span> + end_tag);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (start_pos > end_pos) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Invalid positions"</span>);</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::size_t segment_len = end_pos - start_pos;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  *value = xml.substr(start_pos, segment_len);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> Status SetKeyInformationFromServerResponse(</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> std::string& response,</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">bool</span> generate_playready_protection_system,</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  EncryptionKey* encryption_key) {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// TODO(robinconnell): Currently all tracks are encrypted using the same</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// key_id and key. Add the ability to retrieve multiple key_id/keys from</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// the packager response and encrypt multiple tracks using differnt</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// key_id/keys.</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::string key_id_hex;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  RETURN_IF_ERROR(RetrieveTextInXMLElement(<span class="stringliteral">"KeyId"</span>, response, &key_id_hex));</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  key_id_hex.erase(</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  std::remove(key_id_hex.begin(), key_id_hex.end(), <span class="charliteral">'-'</span>), key_id_hex.end());</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (!base::HexStringToBytes(key_id_hex, &encryption_key->key_id)) {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse key_id_hex, "</span> << key_id_hex;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Cannot parse key_id_hex."</span>);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::string key_data_b64;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  RETURN_IF_ERROR(RetrieveTextInXMLElement(<span class="stringliteral">"KeyData"</span>, response, &key_data_b64));</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (!Base64StringToBytes(key_data_b64, &encryption_key->key)) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse key, "</span> << key_data_b64;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Cannot parse key."</span>);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  encryption_key->key_ids.emplace_back(encryption_key->key_id);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (generate_playready_protection_system) {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::string pssh_data_b64;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  RETURN_IF_ERROR(RetrieveTextInXMLElement(<span class="stringliteral">"Data"</span>, response, &pssh_data_b64));</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  std::vector<uint8_t> pssh_data;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (!Base64StringToBytes(pssh_data_b64, &pssh_data)) {</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse pssh data, "</span> << pssh_data_b64;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Cannot parse pssh."</span>);</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
|
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  PsshBoxBuilder pssh_builder;</div>
|
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  pssh_builder.add_key_id(encryption_key->key_id);</div>
|
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  pssh_builder.set_system_id(kPlayReadySystemId,</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  arraysize(kPlayReadySystemId));</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  pssh_builder.set_pssh_data(pssh_data);</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  encryption_key->key_system_info.push_back(</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {pssh_builder.system_id(), pssh_builder.CreateBox()});</div>
|
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
|
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> Status PlayReadyKeySource::FetchKeysWithProgramIdentifier(</div>
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|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> std::string& program_identifier) {</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  std::unique_ptr<EncryptionKey> encryption_key(<span class="keyword">new</span> EncryptionKey);</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  HttpKeyFetcher key_fetcher(kHttpFetchTimeout);</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
|
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  std::string acquire_license_request = kAcquireLicenseRequest;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  base::ReplaceFirstSubstringAfterOffset(</div>
|
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  &acquire_license_request, 0, <span class="stringliteral">"$0"</span>, program_identifier);</div>
|
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  std::string acquire_license_response;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  Status status = key_fetcher.FetchKeys(server_url_, acquire_license_request,</div>
|
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  &acquire_license_response);</div>
|
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  VLOG(1) << <span class="stringliteral">"Server response: "</span> << acquire_license_response;</div>
|
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  RETURN_IF_ERROR(status);</div>
|
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
|
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  RETURN_IF_ERROR(SetKeyInformationFromServerResponse(</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  acquire_license_response, generate_playready_protection_system_,</div>
|
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  encryption_key.get()));</div>
|
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
|
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// PlayReady does not specify different streams.</span></div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  encryption_key_ = std::move(encryption_key);</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div>
|
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
|
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<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae"> 170</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae">PlayReadyKeySource::FetchKeys</a>(EmeInitDataType init_data_type,</div>
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|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> std::vector<uint8_t>& init_data) {</div>
|
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// Do nothing for PlayReady encryption/decryption.</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
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<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd"> 176</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd">PlayReadyKeySource::GetKey</a>(<span class="keyword">const</span> std::string& stream_label,</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// TODO(robinconnell): Currently all tracks are encrypted using the same</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// key_id and key. Add the ability to encrypt each stream_label using a</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// different key_id and key.</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  DCHECK(key);</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  DCHECK(encryption_key_);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  *key = *encryption_key_;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
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<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a41c393f477ff4b723aa448b35e9ee896"> 187</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd">PlayReadyKeySource::GetKey</a>(<span class="keyword">const</span> std::vector<uint8_t>& key_id,</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// TODO(robinconnell): Currently all tracks are encrypted using the same</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// key_id and key. Add the ability to encrypt using multiple key_id/keys.</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  DCHECK(key);</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  DCHECK(encryption_key_);</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  *key = *encryption_key_;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
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<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ad155a38ccb7bd7cfa991580eb0e1bbd3"> 197</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ad155a38ccb7bd7cfa991580eb0e1bbd3">PlayReadyKeySource::GetCryptoPeriodKey</a>(uint32_t crypto_period_index,</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  uint32_t crypto_period_duration_in_seconds,</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> std::string& stream_label,</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// TODO(robinconnell): Implement key rotation.</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  *key = *encryption_key_;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div>
|
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> } <span class="comment">// namespace shaka</span></div>
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|
</div><!-- fragment --></div><!-- contents -->
|
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<div class="ttc" id="aclassshaka_1_1media_1_1PlayReadyKeySource_html_ad155a38ccb7bd7cfa991580eb0e1bbd3"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ad155a38ccb7bd7cfa991580eb0e1bbd3">shaka::media::PlayReadyKeySource::GetCryptoPeriodKey</a></div><div class="ttdeci">Status GetCryptoPeriodKey(uint32_t crypto_period_index, uint32_t crypto_period_duration_in_seconds, const std::string &stream_label, EncryptionKey *key) override</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00197">playready_key_source.cc:197</a></div></div>
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<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PlayReadyKeySource_html_abe508cd48429ff2c6935b47e77672c5f"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#abe508cd48429ff2c6935b47e77672c5f">shaka::media::PlayReadyKeySource::PlayReadyKeySource</a></div><div class="ttdeci">PlayReadyKeySource(const std::string &server_url, ProtectionSystem protection_systems)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00065">playready_key_source.cc:65</a></div></div>
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|
<div class="ttc" id="aclassshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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|
<div class="ttc" id="anamespaceshaka_html_aadc0cc211185374c4bf219da325673ac"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac">shaka::ProtectionSystem</a></div><div class="ttdeci">ProtectionSystem</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d58/crypto__params_8h_source.html#l00031">crypto_params.h:31</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PlayReadyKeySource_html_a0d2e038e477a5a2bc903292977fc65bd"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd">shaka::media::PlayReadyKeySource::GetKey</a></div><div class="ttdeci">Status GetKey(const std::string &stream_label, EncryptionKey *key) override</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00176">playready_key_source.cc:176</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PlayReadyKeySource_html_a6311482a3f3ddec70da595f0dc1580ae"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae">shaka::media::PlayReadyKeySource::FetchKeys</a></div><div class="ttdeci">Status FetchKeys(EmeInitDataType init_data_type, const std::vector< uint8_t > &init_data) override</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00170">playready_key_source.cc:170</a></div></div>
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|
<div class="ttc" id="astructshaka_1_1media_1_1EncryptionKey_html"><div class="ttname"><a href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">shaka::media::EncryptionKey</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00038">key_source.h:38</a></div></div>
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