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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 <openssl/aes.h></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <algorithm></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> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>media {</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>{</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</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="l00024"></a><span class="lineno"> 24</span> <span class="keyword">const</span> std::string kPlayHeaderObject_4_1 = <span class="stringliteral">"<WRMHEADER "</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="stringliteral">"xmlns=\"http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader\" "</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="stringliteral">"version=\"4.1.0.0\"><DATA><PROTECTINFO>"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="stringliteral">"<KID VALUE=\"$0\" ALGID=\"AESCTR\" CHECKSUM=\"$1\"></KID></PROTECTINFO>"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="stringliteral">"</DATA></WRMHEADER>"</span>;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">const</span> std::string kPlayHeaderObject_4_0 = <span class="stringliteral">"<WRMHEADER "</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">"xmlns=\"http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader\" "</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">"version=\"4.0.0.0\"><DATA><PROTECTINFO><KEYLEN>16</KEYLEN>"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="stringliteral">"<ALGID>AESCTR</ALGID></PROTECTINFO><KID>$0</KID><CHECKSUM>$1</CHECKSUM>"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="stringliteral">"</DATA></WRMHEADER>"</span>;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">const</span> std::string kAcquireLicenseRequest =</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="stringliteral">"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="stringliteral">"<soap:Envelope xmlns=\"http://schemas.xmlsoap.org/soap/envelope/\" "</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="stringliteral">"xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="stringliteral">"<soap:Body>"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="stringliteral">"<AcquirePackagingData "</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="stringliteral">"xmlns=\"http://schemas.microsoft.com/DRM/2007/03/protocols\">"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="stringliteral">"<challenge "</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">"xmlns=\"http://schemas.microsoft.com/DRM"</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="stringliteral">"/2007/03/protocols/AcquirePackagingData/v1.0\">"</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="stringliteral">"<ProtectionSystems>"</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="stringliteral">"<ProtectionSystemId>9A04F079-9840-4286-AB92-E65BE0885F95"</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="stringliteral">"</ProtectionSystemId>"</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="stringliteral">"</ProtectionSystems>"</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="stringliteral">"<StreamProtectionRequests>"</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="stringliteral">"<StreamInformation>"</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="stringliteral">"<ProgramIdentifier>$0</ProgramIdentifier>"</span></div>
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|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="stringliteral">"<OffsetFromProgramStart>P0S</OffsetFromProgramStart>"</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="stringliteral">"</StreamInformation>"</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="stringliteral">"</StreamProtectionRequests>"</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="stringliteral">"</challenge>"</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="stringliteral">"</AcquirePackagingData>"</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="stringliteral">"</soap:Body>"</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="stringliteral">"</soap:Envelope>"</span>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</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="l00062"></a><span class="lineno"> 62</span>  std::vector<uint8_t>* bytes) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  DCHECK(bytes);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::string str;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> (!base::Base64Decode(base64_string, &str))</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  bytes->assign(str.begin(), str.end());</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// Converts the key_id's endianness.</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> std::vector<uint8_t> ConvertGuidEndianness(<span class="keyword">const</span> std::vector<uint8_t>& input) {</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::vector<uint8_t> output = input;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (output.size() > 7) { <span class="comment">// Defensive check.</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  output[0] = input[3];</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  output[1] = input[2];</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  output[2] = input[1];</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  output[3] = input[0];</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  output[4] = input[5];</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  output[5] = input[4];</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  output[6] = input[7];</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  output[7] = input[6];</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// 8-15 are an array of bytes with no endianness.</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> output;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</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> <span class="comment">// Generates the data section of a PlayReady PSSH.</span></div>
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|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// PlayReady PSSH Data is a PlayReady Header Object.</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// Format is outlined in the following document.</span></div>
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|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <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>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">shaka::media::Status</a> GeneratePlayReadyPsshData(<span class="keyword">const</span> std::vector<uint8_t>& key_id,</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> std::vector<uint8_t>& key,</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  std::vector<uint8_t>* output) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  CHECK(output);</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::vector<uint8_t> key_id_converted = ConvertGuidEndianness(key_id);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::vector<uint8_t> encrypted_key_id(key_id_converted.size());</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  std::unique_ptr<AES_KEY> aes_key (<span class="keyword">new</span> AES_KEY);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  CHECK_EQ(AES_set_encrypt_key(key.data(), key.size() * 8, aes_key.get()), 0);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  AES_ecb_encrypt(key_id_converted.data(), encrypted_key_id.data(),</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  aes_key.get(), AES_ENCRYPT);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  std::string checksum = std::string(encrypted_key_id.begin(),</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  encrypted_key_id.end()).substr(0, 8);</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  std::string base64_checksum;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  base::Base64Encode(checksum, &base64_checksum);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::string base64_key_id;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  base::Base64Encode(std::string(key_id_converted.begin(),</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  key_id_converted.end()),</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  &base64_key_id);</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::string playready_header = kPlayHeaderObject_4_0;</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  base::ReplaceFirstSubstringAfterOffset(</div>
|
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  &playready_header, 0, <span class="stringliteral">"$0"</span>, base64_key_id);</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  base::ReplaceFirstSubstringAfterOffset(</div>
|
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  &playready_header, 0, <span class="stringliteral">"$1"</span>, base64_checksum);</div>
|
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
|
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Create a PlayReady Record.</span></div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Outline in section '2.PlayReady Records' of</span></div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// 'PlayReady Header Object' document. Note data is in little endian format.</span></div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::vector<uint16_t> record_value =</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::vector<uint16_t>(playready_header.begin(), playready_header.end());</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <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>  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>  uint16_t record_length = record_value.size() * 2;</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  writer_pr_record.AppendInt(static_cast<uint8_t>(record_type & 0xff));</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  writer_pr_record.AppendInt(static_cast<uint8_t>((record_type >> 8) & 0xff));</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  writer_pr_record.AppendInt(static_cast<uint8_t>(record_length & 0xff));</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  writer_pr_record.AppendInt(static_cast<uint8_t>((record_length >> 8) & 0xff));</div>
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|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <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>  writer_pr_record.AppendInt(static_cast<uint8_t>(record_item & 0xff));</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  writer_pr_record.AppendInt(static_cast<uint8_t>((record_item >> 8) & 0xff));</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
|
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// Create the PlayReady Header object.</span></div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Outline in section '1.PlayReady Header Objects' of</span></div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// 'PlayReady Header Object' document. Note data is in little endian format.</span></div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <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>  uint32_t playready_header_length = writer_pr_record.Size() + 4 + 2;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  uint16_t record_count = 1;</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  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>  static_cast<uint8_t>(playready_header_length & 0xff));</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  writer_pr_header_object.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f">AppendInt</a>(</div>
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|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  static_cast<uint8_t>((playready_header_length >> 8) & 0xff));</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  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>  static_cast<uint8_t>((playready_header_length >> 16) & 0xff));</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  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>  static_cast<uint8_t>((playready_header_length >> 24) & 0xff));</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  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>  static_cast<uint8_t>(record_count & 0xff));</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  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>  static_cast<uint8_t>((record_count >> 8) & 0xff));</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  writer_pr_header_object.AppendBuffer(writer_pr_record);</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  *output = std::vector<uint8_t>(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>  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>  writer_pr_header_object.Size());</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> shaka::media::Status::OK;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> }</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </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> <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>  <span class="keyword">const</span> std::string& server_url)</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  : 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>  server_url_(server_url) {</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
|
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<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> <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e">PlayReadyKeySource::PlayReadyKeySource</a>(<span class="keyword">const</span> std::string& server_url,</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> std::string& client_cert_file,</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> std::string& client_cert_private_key_file,</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">const</span> std::string& client_cert_private_key_password)</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  : 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>  server_url_(server_url),</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  client_cert_file_(client_cert_file),</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  client_cert_private_key_file_(client_cert_private_key_file),</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  client_cert_private_key_password_(client_cert_private_key_password) {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <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>  std::unique_ptr<EncryptionKey> encryption_key)</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  : encryption_key_(std::move(encryption_key)) {</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> PlayReadyKeySource::~PlayReadyKeySource() {}</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </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> std::unique_ptr<PlayReadyKeySource> <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>  <span class="keyword">const</span> std::string& key_id_hex, <span class="keyword">const</span> std::string& key_hex) {</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  std::unique_ptr<EncryptionKey> 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>  <span class="keywordflow">if</span> (!base::HexStringToBytes(key_id_hex, &encryption_key->key_id)) {</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse key_id_hex "</span> << key_id_hex;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> std::unique_ptr<PlayReadyKeySource>();</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  std::vector<uint8_t> key;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (!base::HexStringToBytes(key_hex, &encryption_key->key)) {</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse key_hex "</span> << key_hex;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> std::unique_ptr<PlayReadyKeySource>();</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>  std::vector<uint8_t> pssh_data;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <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>  encryption_key->key_id, encryption_key->key, &pssh_data);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  LOG(ERROR) << 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>  <span class="keywordflow">return</span> std::unique_ptr<PlayReadyKeySource>();</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <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>  info.add_key_id(encryption_key->key_id);</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  info.set_system_id(kPlayReadySystemId, arraysize(kPlayReadySystemId));</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  info.set_pssh_data(pssh_data);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  encryption_key->key_system_info.push_back(info);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> std::unique_ptr<PlayReadyKeySource>(</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <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> }</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> RetrieveTextInXMLElement(<span class="keyword">const</span> std::string& element,</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">const</span> std::string& xml,</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  std::string* value) {</div>
|
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  std::string start_tag = <span class="stringliteral">"<"</span> + element + <span class="stringliteral">">"</span>;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  std::string end_tag = <span class="stringliteral">"</"</span> + element + <span class="stringliteral">">"</span>;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  std::size_t start_pos = xml.find(start_tag);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (start_pos == std::string::npos) {</div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <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>  <span class="stringliteral">"Unable to find tag: "</span> + start_tag);</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  start_pos += start_tag.size();</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  std::size_t end_pos = xml.find(end_tag);</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (end_pos == std::string::npos) {</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR,</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="stringliteral">"Unable to find tag: "</span> + end_tag);</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (start_pos > end_pos) {</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Invalid positions"</span>);</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  std::size_t segment_len = end_pos - start_pos;</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  *value = xml.substr(start_pos, segment_len);</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> Status SetKeyInformationFromServerResponse(<span class="keyword">const</span> std::string& response,</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  EncryptionKey* encryption_key) {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <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>  <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="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// the packager response and encrypt multiple tracks using differnt</span></div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// key_id/keys.</span></div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  std::string key_id_hex;</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  Status status = RetrieveTextInXMLElement(<span class="stringliteral">"KeyId"</span>, response, &key_id_hex);</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  key_id_hex.erase(</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</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="l00250"></a><span class="lineno"> 250</span>  std::string key_data_b64;</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  status = RetrieveTextInXMLElement(<span class="stringliteral">"KeyData"</span>, response, &key_data_b64);</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  LOG(ERROR) << <span class="stringliteral">"Key retreiving KeyData"</span>;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  std::string pssh_data_b64;</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  status = RetrieveTextInXMLElement(<span class="stringliteral">"Data"</span>, response, &pssh_data_b64);</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  LOG(ERROR) << <span class="stringliteral">"Key retreiving Data"</span>;</div>
|
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  }</div>
|
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (!base::HexStringToBytes(key_id_hex, &encryption_key->key_id)) {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse key_id_hex, "</span> << key_id_hex;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Cannot parse key_id_hex."</span>);</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">if</span> (!Base64StringToBytes(key_data_b64, &encryption_key->key)) {</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse key, "</span> << key_data_b64;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Cannot parse key."</span>);</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  std::vector<uint8_t> pssh_data;</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (!Base64StringToBytes(pssh_data_b64, &pssh_data)) {</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  LOG(ERROR) << <span class="stringliteral">"Cannot parse pssh data, "</span> << pssh_data_b64;</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> Status(error::SERVER_ERROR, <span class="stringliteral">"Cannot parse pssh."</span>);</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  ProtectionSystemSpecificInfo info;</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  info.add_key_id(encryption_key->key_id);</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  info.set_system_id(kPlayReadySystemId, arraysize(kPlayReadySystemId));</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  info.set_pssh_data(pssh_data);</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  encryption_key->key_system_info.push_back(info);</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> }</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> Status PlayReadyKeySource::FetchKeysWithProgramIdentifier(</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">const</span> std::string& program_identifier) {</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  std::unique_ptr<EncryptionKey> encryption_key(<span class="keyword">new</span> EncryptionKey);</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  HttpKeyFetcher key_fetcher(kHttpFetchTimeout);</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span> (!client_cert_file_.empty() && !client_cert_private_key_file_.empty() &&</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  !client_cert_private_key_password_.empty()) {</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  key_fetcher.SetClientCertInfo(client_cert_file_,</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  client_cert_private_key_file_,</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  client_cert_private_key_password_);</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (!ca_file_.empty()) {</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  key_fetcher.SetCaFile(ca_file_);</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  std::string acquire_license_request = kAcquireLicenseRequest;</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  base::ReplaceFirstSubstringAfterOffset(</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  &acquire_license_request, 0, <span class="stringliteral">"$0"</span>, program_identifier);</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  std::string acquire_license_response;</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  Status status = key_fetcher.FetchKeys(server_url_, acquire_license_request,</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  &acquire_license_response);</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  LOG(ERROR) << <span class="stringliteral">"Server response: "</span> << acquire_license_response;</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  status = SetKeyInformationFromServerResponse(acquire_license_response,</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  encryption_key.get());</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  encryption_key_ = std::move(encryption_key);</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> }</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </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> <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>  <span class="keyword">const</span> std::vector<uint8_t>& init_data) {</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// Do nothing for playready encryption/decryption.</span></div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> }</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </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> <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>  <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>  <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>  <span class="comment">// different key_id and key.</span></div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  DCHECK(key);</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  DCHECK(encryption_key_);</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  *key = *encryption_key_;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </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> <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<uint8_t>& key_id,</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <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>  <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>  <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>  DCHECK(key);</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  DCHECK(encryption_key_);</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  *key = *encryption_key_;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> }</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </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> <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>  TrackType track_type,</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <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>  <span class="comment">// TODO(robinconnell): Implement key rotation.</span></div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  *key = *encryption_key_;</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> }</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> } <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 &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< uint8_t > &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>
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<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< PlayReadyKeySource > CreateFromKeyAndKeyId(const std::string &key_id_hex, const std::string &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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</a> 1.8.6
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