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< title > Shaka Packager SDK: packager/media/base/playready_key_source.cc Source File< / title >
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< div id = "projectname" > Shaka Packager SDK
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< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_e3bda0bde998a4d5063328245b9909be.html" > base< / a > < / li > < / ul >
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< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > playready_key_source.cc< / div > < / div >
< / div > <!-- header -->
< 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 >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< 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 >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/base64.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< 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 >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_util.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_writer.h" < / span > < / div >
< 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 >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/base/key_source.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/base/protection_system_ids.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/status_macros.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > const< / span > uint32_t kHttpFetchTimeout = 60; < span class = "comment" > // In seconds< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > const< / span > std::string kAcquireLicenseRequest =< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "stringliteral" > " < ?xml version=\" 1.0\" encoding=\" UTF-8\" ?> " < / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "stringliteral" > " < soap:Envelope xmlns=\" http://schemas.xmlsoap.org/soap/envelope/\" " < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "stringliteral" > " xmlns:xsi=\" http://www.w3.org/2001/XMLSchema-instance\" " < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "stringliteral" > " xmlns:xsd=\" http://www.w3.org/2001/XMLSchema\" " < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "stringliteral" > " xmlns:soap=\" http://schemas.xmlsoap.org/soap/envelope/\" > " < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "stringliteral" > " < soap:Body> " < / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "stringliteral" > " < AcquirePackagingData " < / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "stringliteral" > " xmlns=\" http://schemas.microsoft.com/DRM/2007/03/protocols\" > " < / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "stringliteral" > " < challenge " < / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "stringliteral" > " xmlns=\" http://schemas.microsoft.com/DRM" < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "stringliteral" > " /2007/03/protocols/AcquirePackagingData/v1.0\" > " < / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "stringliteral" > " < ProtectionSystems> " < / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "stringliteral" > " < ProtectionSystemId> 9A04F079-9840-4286-AB92-E65BE0885F95" < / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "stringliteral" > " < /ProtectionSystemId> " < / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "stringliteral" > " < /ProtectionSystems> " < / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "stringliteral" > " < StreamProtectionRequests> " < / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "stringliteral" > " < StreamInformation> " < / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "stringliteral" > " < ProgramIdentifier> $0< /ProgramIdentifier> " < / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "stringliteral" > " < OffsetFromProgramStart> P0S< /OffsetFromProgramStart> " < / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "stringliteral" > " < /StreamInformation> " < / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "stringliteral" > " < /StreamProtectionRequests> " < / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "stringliteral" > " < /challenge> " < / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "stringliteral" > " < /AcquirePackagingData> " < / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "stringliteral" > " < /soap:Body> " < / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "stringliteral" > " < /soap:Envelope> " < / span > ;< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordtype" > bool< / span > Base64StringToBytes(< span class = "keyword" > const< / span > std::string& base64_string,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   std::vector< uint8_t> * bytes) {< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   DCHECK(bytes);< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   std::string str;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > if< / span > (!base::Base64Decode(base64_string, & str))< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   bytes-> assign(str.begin(), str.end());< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   }< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   }< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#abe508cd48429ff2c6935b47e77672c5f" > 65< / a > < / span >   < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#abe508cd48429ff2c6935b47e77672c5f" > PlayReadyKeySource::PlayReadyKeySource< / a > (< span class = "keyword" > const< / span > std::string& server_url,< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < a class = "code" href = "../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac" > ProtectionSystem< / a > protection_systems)< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // PlayReady PSSH is retrived from PlayReady server response.< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   : generate_playready_protection_system_(< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > // Generate PlayReady protection system if there are no other< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > // protection system specified.< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   protection_systems == < a class = "code" href = "../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac" > ProtectionSystem< / a > ::kNone ||< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   has_flag(protection_systems, < a class = "code" href = "../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac" > ProtectionSystem< / a > ::kPlayReady)),< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   encryption_key_(new < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > ),< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   server_url_(server_url) {}< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   PlayReadyKeySource::~PlayReadyKeySource() = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > RetrieveTextInXMLElement(< span class = "keyword" > const< / span > std::string& element,< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keyword" > const< / span > std::string& xml,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   std::string* value) {< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   std::string start_tag = < span class = "stringliteral" > " < " < / span > + element + < span class = "stringliteral" > " > " < / span > ;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   std::string end_tag = < span class = "stringliteral" > " < /" < / span > + element + < span class = "stringliteral" > " > " < / span > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   std::size_t start_pos = xml.find(start_tag);< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordflow" > if< / span > (start_pos == std::string::npos) {< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "stringliteral" > " Unable to find tag: " < / span > + start_tag);< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   }< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   start_pos += start_tag.size();< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   std::size_t end_pos = xml.find(end_tag);< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > if< / span > (end_pos == std::string::npos) {< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "stringliteral" > " Unable to find tag: " < / span > + end_tag);< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   }< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > if< / span > (start_pos > end_pos) {< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Invalid positions" < / span > );< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   std::size_t segment_len = end_pos - start_pos;< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   *value = xml.substr(start_pos, segment_len);< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   }< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   Status SetKeyInformationFromServerResponse(< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keyword" > const< / span > std::string& response,< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordtype" > bool< / span > generate_playready_protection_system,< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   EncryptionKey* encryption_key) {< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > // TODO(robinconnell): Currently all tracks are encrypted using the same< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // key_id and key. Add the ability to retrieve multiple key_id/keys from< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // the packager response and encrypt multiple tracks using differnt< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // key_id/keys.< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   std::string key_id_hex;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   RETURN_IF_ERROR(RetrieveTextInXMLElement(< span class = "stringliteral" > " KeyId" < / span > , response, & key_id_hex));< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   key_id_hex.erase(< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   std::remove(key_id_hex.begin(), key_id_hex.end(), < span class = "charliteral" > ' -' < / span > ), key_id_hex.end());< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > if< / span > (!base::HexStringToBytes(key_id_hex, & encryption_key-> key_id)) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse key_id_hex, " < / span > < < key_id_hex;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Cannot parse key_id_hex." < / span > );< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   }< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   std::string key_data_b64;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   RETURN_IF_ERROR(RetrieveTextInXMLElement(< span class = "stringliteral" > " KeyData" < / span > , response, & key_data_b64));< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordflow" > if< / span > (!Base64StringToBytes(key_data_b64, & encryption_key-> key)) {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse key, " < / span > < < key_data_b64;< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Cannot parse key." < / span > );< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   }< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   encryption_key-> key_ids.emplace_back(encryption_key-> key_id);< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordflow" > if< / span > (generate_playready_protection_system) {< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   std::string pssh_data_b64;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   RETURN_IF_ERROR(RetrieveTextInXMLElement(< span class = "stringliteral" > " Data" < / span > , response, & pssh_data_b64));< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   std::vector< uint8_t> pssh_data;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordflow" > if< / span > (!Base64StringToBytes(pssh_data_b64, & pssh_data)) {< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse pssh data, " < / span > < < pssh_data_b64;< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Cannot parse pssh." < / span > );< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   }< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   PsshBoxBuilder pssh_builder;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   pssh_builder.add_key_id(encryption_key-> key_id);< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   pssh_builder.set_system_id(kPlayReadySystemId,< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   arraysize(kPlayReadySystemId));< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   pssh_builder.set_pssh_data(pssh_data);< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   encryption_key-> key_system_info.push_back(< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   {pssh_builder.system_id(), pssh_builder.CreateBox()});< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   }< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   }< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   Status PlayReadyKeySource::FetchKeysWithProgramIdentifier(< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keyword" > const< / span > std::string& program_identifier) {< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   std::unique_ptr< EncryptionKey> encryption_key(< span class = "keyword" > new< / span > EncryptionKey);< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   HttpKeyFetcher key_fetcher(kHttpFetchTimeout);< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   std::string acquire_license_request = kAcquireLicenseRequest;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   base::ReplaceFirstSubstringAfterOffset(< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   & acquire_license_request, 0, < span class = "stringliteral" > " $0" < / span > , program_identifier);< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   std::string acquire_license_response;< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   Status status = key_fetcher.FetchKeys(server_url_, acquire_license_request,< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   & acquire_license_response);< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   VLOG(1) < < < span class = "stringliteral" > " Server response: " < / span > < < acquire_license_response;< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   RETURN_IF_ERROR(status);< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   RETURN_IF_ERROR(SetKeyInformationFromServerResponse(< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   acquire_license_response, generate_playready_protection_system_,< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   encryption_key.get()));< / 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 >   < span class = "comment" > // PlayReady does not specify different streams.< / span > < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   encryption_key_ = std::move(encryption_key);< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   }< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae" > 170< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae" > PlayReadyKeySource::FetchKeys< / a > (EmeInitDataType init_data_type,< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> & init_data) {< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "comment" > // Do nothing for PlayReady encryption/decryption.< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   }< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd" > 176< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd" > PlayReadyKeySource::GetKey< / a > (< span class = "keyword" > const< / span > std::string& stream_label,< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // TODO(robinconnell): Currently all tracks are encrypted using the same< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > // key_id and key. Add the ability to encrypt each stream_label using a< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // different key_id and key.< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   DCHECK(encryption_key_);< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   *key = *encryption_key_;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   }< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a41c393f477ff4b723aa448b35e9ee896" > 187< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd" > PlayReadyKeySource::GetKey< / a > (< span class = "keyword" > const< / span > std::vector< uint8_t> & key_id,< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "comment" > // TODO(robinconnell): Currently all tracks are encrypted using the same< / span > < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "comment" > // key_id and key. Add the ability to encrypt using multiple key_id/keys.< / span > < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   DCHECK(encryption_key_);< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   *key = *encryption_key_;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   }< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ad155a38ccb7bd7cfa991580eb0e1bbd3" > 197< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ad155a38ccb7bd7cfa991580eb0e1bbd3" > PlayReadyKeySource::GetCryptoPeriodKey< / a > (uint32_t crypto_period_index,< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   uint32_t crypto_period_duration_in_seconds,< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keyword" > const< / span > std::string& stream_label,< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "comment" > // TODO(robinconnell): Implement key rotation.< / span > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   *key = *encryption_key_;< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   }< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
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< / div > <!-- fragment --> < / div > <!-- contents -->
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< div class = "ttc" id = "aclassshaka_1_1media_1_1PlayReadyKeySource_html_ad155a38ccb7bd7cfa991580eb0e1bbd3" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ad155a38ccb7bd7cfa991580eb0e1bbd3" > shaka::media::PlayReadyKeySource::GetCryptoPeriodKey< / a > < / div > < div class = "ttdeci" > Status GetCryptoPeriodKey(uint32_t crypto_period_index, uint32_t crypto_period_duration_in_seconds, const std::string & stream_label, EncryptionKey *key) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00197" > playready_key_source.cc:197< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
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< div class = "ttc" id = "aclassshaka_1_1media_1_1PlayReadyKeySource_html_abe508cd48429ff2c6935b47e77672c5f" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#abe508cd48429ff2c6935b47e77672c5f" > shaka::media::PlayReadyKeySource::PlayReadyKeySource< / a > < / div > < div class = "ttdeci" > PlayReadyKeySource(const std::string & server_url, ProtectionSystem protection_systems)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00065" > playready_key_source.cc:65< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d20/classshaka_1_1Status.html" > shaka::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00110" > status.h:110< / a > < / div > < / div >
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "anamespaceshaka_html_aadc0cc211185374c4bf219da325673ac" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673ac" > shaka::ProtectionSystem< / a > < / div > < div class = "ttdeci" > ProtectionSystem< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/crypto__params_8h_source.html#l00031" > crypto_params.h:31< / a > < / div > < / div >
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1PlayReadyKeySource_html_a0d2e038e477a5a2bc903292977fc65bd" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a0d2e038e477a5a2bc903292977fc65bd" > shaka::media::PlayReadyKeySource::GetKey< / a > < / div > < div class = "ttdeci" > Status GetKey(const std::string & stream_label, EncryptionKey *key) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00176" > playready_key_source.cc:176< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1PlayReadyKeySource_html_a6311482a3f3ddec70da595f0dc1580ae" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae" > shaka::media::PlayReadyKeySource::FetchKeys< / a > < / div > < div class = "ttdeci" > Status FetchKeys(EmeInitDataType init_data_type, const std::vector< uint8_t > & init_data) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00170" > playready_key_source.cc:170< / a > < / div > < / div >
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "astructshaka_1_1media_1_1EncryptionKey_html" > < div class = "ttname" > < a href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > shaka::media::EncryptionKey< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00038" > key_source.h:38< / a > < / div > < / div >
2017-01-25 04:09:00 +00:00
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