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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/playready_key_source.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;openssl/aes.h&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;packager/base/base64.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/string_number_conversions.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/string_util.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/buffer_writer.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/http_key_fetcher.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">namespace </span>shaka {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">const</span> uint32_t kHttpFetchTimeout = 60; <span class="comment">// In seconds</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">const</span> std::string kPlayHeaderObject_4_1 = <span class="stringliteral">&quot;&lt;WRMHEADER &quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="stringliteral">&quot;xmlns=\&quot;http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader\&quot; &quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="stringliteral">&quot;version=\&quot;4.1.0.0\&quot;&gt;&lt;DATA&gt;&lt;PROTECTINFO&gt;&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="stringliteral">&quot;&lt;KID VALUE=\&quot;$0\&quot; ALGID=\&quot;AESCTR\&quot; CHECKSUM=\&quot;$1\&quot;&gt;&lt;/KID&gt;&lt;/PROTECTINFO&gt;&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="stringliteral">&quot;&lt;/DATA&gt;&lt;/WRMHEADER&gt;&quot;</span>;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">const</span> std::string kPlayHeaderObject_4_0 = <span class="stringliteral">&quot;&lt;WRMHEADER &quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="stringliteral">&quot;xmlns=\&quot;http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader\&quot; &quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="stringliteral">&quot;version=\&quot;4.0.0.0\&quot;&gt;&lt;DATA&gt;&lt;PROTECTINFO&gt;&lt;KEYLEN&gt;16&lt;/KEYLEN&gt;&quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="stringliteral">&quot;&lt;ALGID&gt;AESCTR&lt;/ALGID&gt;&lt;/PROTECTINFO&gt;&lt;KID&gt;$0&lt;/KID&gt;&lt;CHECKSUM&gt;$1&lt;/CHECKSUM&gt;&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="stringliteral">&quot;&lt;/DATA&gt;&lt;/WRMHEADER&gt;&quot;</span>;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="keyword">const</span> std::string kAcquireLicenseRequest =</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="stringliteral">&quot;&lt;?xml version=\&quot;1.0\&quot; encoding=\&quot;UTF-8\&quot;?&gt;&quot;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="stringliteral">&quot;&lt;soap:Envelope xmlns=\&quot;http://schemas.xmlsoap.org/soap/envelope/\&quot; &quot;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="stringliteral">&quot;xmlns:xsi=\&quot;http://www.w3.org/2001/XMLSchema-instance\&quot; &quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="stringliteral">&quot;xmlns:xsd=\&quot;http://www.w3.org/2001/XMLSchema\&quot; &quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="stringliteral">&quot;xmlns:soap=\&quot;http://schemas.xmlsoap.org/soap/envelope/\&quot;&gt;&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="stringliteral">&quot;&lt;soap:Body&gt;&quot;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="stringliteral">&quot;&lt;AcquirePackagingData &quot;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="stringliteral">&quot;xmlns=\&quot;http://schemas.microsoft.com/DRM/2007/03/protocols\&quot;&gt;&quot;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="stringliteral">&quot;&lt;challenge &quot;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="stringliteral">&quot;xmlns=\&quot;http://schemas.microsoft.com/DRM&quot;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="stringliteral">&quot;/2007/03/protocols/AcquirePackagingData/v1.0\&quot;&gt;&quot;</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="stringliteral">&quot;&lt;ProtectionSystems&gt;&quot;</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="stringliteral">&quot;&lt;ProtectionSystemId&gt;9A04F079-9840-4286-AB92-E65BE0885F95&quot;</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="stringliteral">&quot;&lt;/ProtectionSystemId&gt;&quot;</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="stringliteral">&quot;&lt;/ProtectionSystems&gt;&quot;</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="stringliteral">&quot;&lt;StreamProtectionRequests&gt;&quot;</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="stringliteral">&quot;&lt;StreamInformation&gt;&quot;</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="stringliteral">&quot;&lt;ProgramIdentifier&gt;$0&lt;/ProgramIdentifier&gt;&quot;</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="stringliteral">&quot;&lt;OffsetFromProgramStart&gt;P0S&lt;/OffsetFromProgramStart&gt;&quot;</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="stringliteral">&quot;&lt;/StreamInformation&gt;&quot;</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="stringliteral">&quot;&lt;/StreamProtectionRequests&gt;&quot;</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="stringliteral">&quot;&lt;/challenge&gt;&quot;</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="stringliteral">&quot;&lt;/AcquirePackagingData&gt;&quot;</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="stringliteral">&quot;&lt;/soap:Body&gt;&quot;</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="stringliteral">&quot;&lt;/soap:Envelope&gt;&quot;</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="keywordtype">bool</span> Base64StringToBytes(<span class="keyword">const</span> std::string&amp; base64_string,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; std::vector&lt;uint8_t&gt;* bytes) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; DCHECK(bytes);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; std::string str;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">if</span> (!base::Base64Decode(base64_string, &amp;str))</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; bytes-&gt;assign(str.begin(), str.end());</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;}</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="comment">// Converts the key_id&#39;s endianness.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;std::vector&lt;uint8_t&gt; ConvertGuidEndianness(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; input) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; std::vector&lt;uint8_t&gt; output = input;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">if</span> (output.size() &gt; 7) { <span class="comment">// Defensive check.</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; output[0] = input[3];</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; output[1] = input[2];</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; output[2] = input[1];</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; output[3] = input[0];</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; output[4] = input[5];</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; output[5] = input[4];</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; output[6] = input[7];</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; output[7] = input[6];</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="comment">// 8-15 are an array of bytes with no endianness.</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> output;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;}</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment">// Generates the data section of a PlayReady PSSH.</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment">// PlayReady PSSH Data is a PlayReady Header Object.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment">// Format is outlined in the following document.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment">// http://download.microsoft.com/download/2/3/8/238F67D9-1B8B-48D3-AB83-9C00112268B2/PlayReady%20Header%20Object%202015-08-13-FINAL-CL.PDF</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">shaka::media::Status</a> GeneratePlayReadyPsshData(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key_id,</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key,</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; std::vector&lt;uint8_t&gt;* output) {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; CHECK(output);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; std::vector&lt;uint8_t&gt; key_id_converted = ConvertGuidEndianness(key_id);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; std::vector&lt;uint8_t&gt; encrypted_key_id(key_id_converted.size());</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; std::unique_ptr&lt;AES_KEY&gt; aes_key (<span class="keyword">new</span> AES_KEY);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; CHECK_EQ(AES_set_encrypt_key(key.data(), key.size() * 8, aes_key.get()), 0);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; AES_ecb_encrypt(key_id_converted.data(), encrypted_key_id.data(),</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; aes_key.get(), AES_ENCRYPT);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; std::string checksum = std::string(encrypted_key_id.begin(),</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; encrypted_key_id.end()).substr(0, 8);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; std::string base64_checksum;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; base::Base64Encode(checksum, &amp;base64_checksum);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; std::string base64_key_id;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; base::Base64Encode(std::string(key_id_converted.begin(),</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; key_id_converted.end()),</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; &amp;base64_key_id);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; std::string playready_header = kPlayHeaderObject_4_0;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; base::ReplaceFirstSubstringAfterOffset(</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; &amp;playready_header, 0, <span class="stringliteral">&quot;$0&quot;</span>, base64_key_id);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; base::ReplaceFirstSubstringAfterOffset(</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; &amp;playready_header, 0, <span class="stringliteral">&quot;$1&quot;</span>, base64_checksum);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="comment">// Create a PlayReady Record.</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// Outline in section &#39;2.PlayReady Records&#39; of</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">// &#39;PlayReady Header Object&#39; document. Note data is in little endian format.</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; std::vector&lt;uint16_t&gt; record_value =</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; std::vector&lt;uint16_t&gt;(playready_header.begin(), playready_header.end());</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html">shaka::media::BufferWriter</a> writer_pr_record;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; uint16_t record_type = 1; <span class="comment">// Indicates that the record contains a rights management header.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; uint16_t record_length = record_value.size() * 2;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; writer_pr_record.AppendInt(static_cast&lt;uint8_t&gt;(record_type &amp; 0xff));</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; writer_pr_record.AppendInt(static_cast&lt;uint8_t&gt;((record_type &gt;&gt; 8) &amp; 0xff));</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; writer_pr_record.AppendInt(static_cast&lt;uint8_t&gt;(record_length &amp; 0xff));</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; writer_pr_record.AppendInt(static_cast&lt;uint8_t&gt;((record_length &gt;&gt; 8) &amp; 0xff));</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> record_item: record_value) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; writer_pr_record.AppendInt(static_cast&lt;uint8_t&gt;(record_item &amp; 0xff));</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; writer_pr_record.AppendInt(static_cast&lt;uint8_t&gt;((record_item &gt;&gt; 8) &amp; 0xff));</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="comment">// Create the PlayReady Header object.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="comment">// Outline in section &#39;1.PlayReady Header Objects&#39; of</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="comment">// &#39;PlayReady Header Object&#39; document. Note data is in little endian format.</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html">shaka::media::BufferWriter</a> writer_pr_header_object;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; uint32_t playready_header_length = writer_pr_record.Size() + 4 + 2;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; uint16_t record_count = 1;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; static_cast&lt;uint8_t&gt;(playready_header_length &amp; 0xff));</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; static_cast&lt;uint8_t&gt;((playready_header_length &gt;&gt; 8) &amp; 0xff));</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; static_cast&lt;uint8_t&gt;((playready_header_length &gt;&gt; 16) &amp; 0xff));</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; static_cast&lt;uint8_t&gt;((playready_header_length &gt;&gt; 24) &amp; 0xff));</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; static_cast&lt;uint8_t&gt;(record_count &amp; 0xff));</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; static_cast&lt;uint8_t&gt;((record_count &gt;&gt; 8) &amp; 0xff));</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; writer_pr_header_object.AppendBuffer(writer_pr_record);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; *output = std::vector&lt;uint8_t&gt;(writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#ab3054a98a4ec27764c65511dc17a916d">Buffer</a>(),</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#ab3054a98a4ec27764c65511dc17a916d">Buffer</a>() +</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; writer_pr_header_object.Size());</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">return</span> shaka::media::Status::OK;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;}</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e"> 160</a></span>&#160;<a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e">PlayReadyKeySource::PlayReadyKeySource</a>(</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keyword">const</span> std::string&amp; server_url)</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; : encryption_key_(new <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>),</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; server_url_(server_url) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;}</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div>
<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a11f5940080bf569c4c3dca1fe4bd9ce1"> 166</a></span>&#160;<a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e">PlayReadyKeySource::PlayReadyKeySource</a>(<span class="keyword">const</span> std::string&amp; server_url,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keyword">const</span> std::string&amp; client_cert_file,</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keyword">const</span> std::string&amp; client_cert_private_key_file,</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keyword">const</span> std::string&amp; client_cert_private_key_password)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; : encryption_key_(new <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>),</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; server_url_(server_url),</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; client_cert_file_(client_cert_file),</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; client_cert_private_key_file_(client_cert_private_key_file),</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; client_cert_private_key_password_(client_cert_private_key_password) {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;}</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e">PlayReadyKeySource::PlayReadyKeySource</a>(</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; std::unique_ptr&lt;EncryptionKey&gt; encryption_key)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; : encryption_key_(std::move(encryption_key)) {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;}</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;PlayReadyKeySource::~PlayReadyKeySource() {}</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;</div>
<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b"> 184</a></span>&#160;std::unique_ptr&lt;PlayReadyKeySource&gt; <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b">PlayReadyKeySource::CreateFromKeyAndKeyId</a>(</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keyword">const</span> std::string&amp; key_id_hex, <span class="keyword">const</span> std::string&amp; key_hex) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; std::unique_ptr&lt;EncryptionKey&gt; encryption_key(<span class="keyword">new</span> <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">if</span> (!base::HexStringToBytes(key_id_hex, &amp;encryption_key-&gt;key_id)) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Cannot parse key_id_hex &quot;</span> &lt;&lt; key_id_hex;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordflow">return</span> std::unique_ptr&lt;PlayReadyKeySource&gt;();</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; std::vector&lt;uint8_t&gt; key;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordflow">if</span> (!base::HexStringToBytes(key_hex, &amp;encryption_key-&gt;key)) {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Cannot parse key_hex &quot;</span> &lt;&lt; key_hex;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="keywordflow">return</span> std::unique_ptr&lt;PlayReadyKeySource&gt;();</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; std::vector&lt;uint8_t&gt; pssh_data;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> status = GeneratePlayReadyPsshData(</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; encryption_key-&gt;key_id, encryption_key-&gt;key, &amp;pssh_data);</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">if</span> (!status.ok()) {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; LOG(ERROR) &lt;&lt; status.<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html#ac5d67e71539ca2f3589d3b2d4dc9ad60">ToString</a>();</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">return</span> std::unique_ptr&lt;PlayReadyKeySource&gt;();</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <a class="code" href="../../d0/dd4/classshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">ProtectionSystemSpecificInfo</a> info;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; info.add_key_id(encryption_key-&gt;key_id);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; info.set_system_id(kPlayReadySystemId, arraysize(kPlayReadySystemId));</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; info.set_pssh_data(pssh_data);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; encryption_key-&gt;key_system_info.push_back(info);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordflow">return</span> std::unique_ptr&lt;PlayReadyKeySource&gt;(</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keyword">new</span> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e">PlayReadyKeySource</a>(std::move(encryption_key)));</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;}</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> RetrieveTextInXMLElement(<span class="keyword">const</span> std::string&amp; element,</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keyword">const</span> std::string&amp; xml,</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; std::string* value) {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; std::string start_tag = <span class="stringliteral">&quot;&lt;&quot;</span> + element + <span class="stringliteral">&quot;&gt;&quot;</span>;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; std::string end_tag = <span class="stringliteral">&quot;&lt;/&quot;</span> + element + <span class="stringliteral">&quot;&gt;&quot;</span>;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; std::size_t start_pos = xml.find(start_tag);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">if</span> (start_pos == std::string::npos) {</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>(error::SERVER_ERROR,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="stringliteral">&quot;Unable to find tag: &quot;</span> + start_tag);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; start_pos += start_tag.size();</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; std::size_t end_pos = xml.find(end_tag);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">if</span> (end_pos == std::string::npos) {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordflow">return</span> Status(error::SERVER_ERROR,</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="stringliteral">&quot;Unable to find tag: &quot;</span> + end_tag);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keywordflow">if</span> (start_pos &gt; end_pos) {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">&quot;Invalid positions&quot;</span>);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; std::size_t segment_len = end_pos - start_pos;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; *value = xml.substr(start_pos, segment_len);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;}</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;Status SetKeyInformationFromServerResponse(<span class="keyword">const</span> std::string&amp; response,</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; EncryptionKey* encryption_key) {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="comment">// TODO(robinconnell): Currently all tracks are encrypted using the same</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="comment">// key_id and key. Add the ability to retrieve multiple key_id/keys from</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="comment">// the packager response and encrypt multiple tracks using differnt</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="comment">// key_id/keys.</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; std::string key_id_hex;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; Status status = RetrieveTextInXMLElement(<span class="stringliteral">&quot;KeyId&quot;</span>, response, &amp;key_id_hex);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keywordflow">if</span> (!status.ok()) {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; key_id_hex.erase(</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; std::remove(key_id_hex.begin(), key_id_hex.end(), <span class="charliteral">&#39;-&#39;</span>), key_id_hex.end());</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; std::string key_data_b64;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; status = RetrieveTextInXMLElement(<span class="stringliteral">&quot;KeyData&quot;</span>, response, &amp;key_data_b64);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="keywordflow">if</span> (!status.ok()) {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Key retreiving KeyData&quot;</span>;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; std::string pssh_data_b64;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; status = RetrieveTextInXMLElement(<span class="stringliteral">&quot;Data&quot;</span>, response, &amp;pssh_data_b64);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keywordflow">if</span> (!status.ok()) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Key retreiving Data&quot;</span>;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="keywordflow">if</span> (!base::HexStringToBytes(key_id_hex, &amp;encryption_key-&gt;key_id)) {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Cannot parse key_id_hex, &quot;</span> &lt;&lt; key_id_hex;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">&quot;Cannot parse key_id_hex.&quot;</span>);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; }</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="keywordflow">if</span> (!Base64StringToBytes(key_data_b64, &amp;encryption_key-&gt;key)) {</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Cannot parse key, &quot;</span> &lt;&lt; key_data_b64;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">&quot;Cannot parse key.&quot;</span>);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; }</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; std::vector&lt;uint8_t&gt; pssh_data;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordflow">if</span> (!Base64StringToBytes(pssh_data_b64, &amp;pssh_data)) {</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Cannot parse pssh data, &quot;</span> &lt;&lt; pssh_data_b64;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">&quot;Cannot parse pssh.&quot;</span>);</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; ProtectionSystemSpecificInfo info;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; info.add_key_id(encryption_key-&gt;key_id);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; info.set_system_id(kPlayReadySystemId, arraysize(kPlayReadySystemId));</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; info.set_pssh_data(pssh_data);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; encryption_key-&gt;key_system_info.push_back(info);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;}</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;Status PlayReadyKeySource::FetchKeysWithProgramIdentifier(</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="keyword">const</span> std::string&amp; program_identifier) {</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; std::unique_ptr&lt;EncryptionKey&gt; encryption_key(<span class="keyword">new</span> EncryptionKey);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; HttpKeyFetcher key_fetcher(kHttpFetchTimeout);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keywordflow">if</span> (!client_cert_file_.empty() &amp;&amp; !client_cert_private_key_file_.empty() &amp;&amp;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; !client_cert_private_key_password_.empty()) {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; key_fetcher.SetClientCertInfo(client_cert_file_,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; client_cert_private_key_file_,</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; client_cert_private_key_password_);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="keywordflow">if</span> (!ca_file_.empty()) {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; key_fetcher.SetCaFile(ca_file_);</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; }</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; std::string acquire_license_request = kAcquireLicenseRequest;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; base::ReplaceFirstSubstringAfterOffset(</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; &amp;acquire_license_request, 0, <span class="stringliteral">&quot;$0&quot;</span>, program_identifier);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; std::string acquire_license_response;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; Status status = key_fetcher.FetchKeys(server_url_, acquire_license_request,</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; &amp;acquire_license_response);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="keywordflow">if</span> (!status.ok()) {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Server response: &quot;</span> &lt;&lt; acquire_license_response;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; }</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; status = SetKeyInformationFromServerResponse(acquire_license_response,</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; encryption_key.get());</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; encryption_key_ = std::move(encryption_key);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160;}</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160;</div>
<div class="line"><a name="l00313"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae"> 313</a></span>&#160;<a class="code" href="../../d0/d93/classshaka_1_1media_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>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; init_data) {</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="comment">// Do nothing for playready encryption/decryption.</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160;}</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160;</div>
<div class="line"><a name="l00319"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96"> 319</a></span>&#160;<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96">PlayReadyKeySource::GetKey</a>(TrackType track_type, <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; <span class="comment">// TODO(robinconnell): Currently all tracks are encrypted using the same</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; <span class="comment">// key_id and key. Add the ability to encrypt each track_type using a</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="comment">// different key_id and key.</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; DCHECK(key);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; DCHECK(encryption_key_);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; *key = *encryption_key_;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160;}</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;</div>
<div class="line"><a name="l00329"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a41c393f477ff4b723aa448b35e9ee896"> 329</a></span>&#160;<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96">PlayReadyKeySource::GetKey</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key_id,</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; <span class="comment">// TODO(robinconnell): Currently all tracks are encrypted using the same</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; <span class="comment">// key_id and key. Add the ability to encrypt using multiple key_id/keys.</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; DCHECK(key);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; DCHECK(encryption_key_);</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; *key = *encryption_key_;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;}</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;</div>
<div class="line"><a name="l00339"></a><span class="lineno"><a class="line" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131"> 339</a></span>&#160;<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131">PlayReadyKeySource::GetCryptoPeriodKey</a>(uint32_t crypto_period_index,</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; TrackType track_type,</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; <span class="comment">// TODO(robinconnell): Implement key rotation.</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; *key = *encryption_key_;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160;}</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="ttc" id="classshaka_1_1media_1_1Status_html_ac5d67e71539ca2f3589d3b2d4dc9ad60"><div class="ttname"><a href="../../d0/d93/classshaka_1_1media_1_1Status.html#ac5d67e71539ca2f3589d3b2d4dc9ad60">shaka::media::Status::ToString</a></div><div class="ttdeci">std::string ToString() const </div><div class="ttdef"><b>Definition:</b> <a href="../../da/dc3/status_8cc_source.html#l00068">status.cc:68</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_a2d85b64ad09aec73b84a26071a9c059e"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e">shaka::media::PlayReadyKeySource::PlayReadyKeySource</a></div><div class="ttdeci">PlayReadyKeySource(const std::string &amp;server_url)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00160">playready_key_source.cc:160</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1BufferWriter_html_abd8854feedd8b45146eb04dacf7d5b2f"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">shaka::media::BufferWriter::AppendInt</a></div><div class="ttdeci">void AppendInt(uint8_t v)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd3/buffer__writer_8cc_source.html#l00025">buffer_writer.cc:25</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_a4005a0a96024a6918fb9f81a281ca131"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131">shaka::media::PlayReadyKeySource::GetCryptoPeriodKey</a></div><div class="ttdeci">Status GetCryptoPeriodKey(uint32_t crypto_period_index, TrackType track_type, EncryptionKey *key) override</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00339">playready_key_source.cc:339</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1BufferWriter_html"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html">shaka::media::BufferWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd2/buffer__writer_8h_source.html#l00022">buffer_writer.h:22</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1BufferWriter_html_ab3054a98a4ec27764c65511dc17a916d"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#ab3054a98a4ec27764c65511dc17a916d">shaka::media::BufferWriter::Buffer</a></div><div class="ttdeci">const uint8_t * Buffer() const </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd2/buffer__writer_8h_source.html#l00059">buffer_writer.h:59</a></div></div>
<div class="ttc" id="structshaka_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#l00034">key_source.h:34</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1ProtectionSystemSpecificInfo_html"><div class="ttname"><a href="../../d0/dd4/classshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">shaka::media::ProtectionSystemSpecificInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d59/protection__system__specific__info_8h_source.html#l00019">protection_system_specific_info.h:19</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_a425495104b43f26b94ae38794c608e96"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96">shaka::media::PlayReadyKeySource::GetKey</a></div><div class="ttdeci">Status GetKey(TrackType track_type, EncryptionKey *key) override</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00319">playready_key_source.cc:319</a></div></div>
<div class="ttc" id="classshaka_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&lt; uint8_t &gt; &amp;init_data) override</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00313">playready_key_source.cc:313</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1Status_html"><div class="ttname"><a href="../../d0/d93/classshaka_1_1media_1_1Status.html">shaka::media::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00088">status.h:88</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_a4f539e8a54fef68aea5629489669508b"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b">shaka::media::PlayReadyKeySource::CreateFromKeyAndKeyId</a></div><div class="ttdeci">static std::unique_ptr&lt; PlayReadyKeySource &gt; CreateFromKeyAndKeyId(const std::string &amp;key_id_hex, const std::string &amp;key_hex)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00184">playready_key_source.cc:184</a></div></div>
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