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< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_c6ada2450b25ab5438a4dba6c9b890af.html" > base< / a > < / li > < / ul >
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< div class = "title" > widevine_key_source.cc< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 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/widevine_key_source.h" < / span > < / div >
< 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 < set> < / 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/bind.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/base/json/json_reader.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/base/json/json_writer.h" < / span > < / div >
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< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/fixed_key_source.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/base/http_key_fetcher.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/base/network_util.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/media/base/producer_consumer_queue.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/media/base/protection_system_specific_info.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/media/base/rcheck.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " packager/media/base/request_signer.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " packager/media/base/widevine_pssh_data.pb.h" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > namespace < / span > {< / div >
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< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
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< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > kEnableKeyRotation = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kLicenseStatusOK[] = < span class = "stringliteral" > " OK" < / span > ;< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > // Server may return INTERNAL_ERROR intermittently, which is a transient error< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "comment" > // and the next client request may succeed without problem.< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kLicenseStatusTransientError[] = < span class = "stringliteral" > " INTERNAL_ERROR" < / span > ;< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // Number of times to retry requesting keys in case of a transient error from< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > // the server.< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kNumTransientErrorRetries = 5;< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kFirstRetryDelayMilliseconds = 1000;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "comment" > // Default crypto period count, which is the number of keys to fetch on every< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // key rotation enabled request.< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kDefaultCryptoPeriodCount = 10;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kGetKeyTimeoutInSeconds = 5 * 60; < span class = "comment" > // 5 minutes.< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kKeyFetchTimeoutInSeconds = 60; < span class = "comment" > // 1 minute.< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   std::vector< uint8_t> StringToBytes(< span class = "keyword" > const< / span > std::string& < span class = "keywordtype" > string< / span > ) {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keywordflow" > return< / span > std::vector< uint8_t> (< span class = "keywordtype" > string< / span > .begin(), < span class = "keywordtype" > string< / span > .end());< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   }< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   std::vector< uint8_t> WidevinePsshFromKeyId(< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keyword" > const< / span > std::vector< std::vector< uint8_t> > & key_ids) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   media::WidevinePsshData widevine_pssh_data;< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< uint8_t> & key_id : key_ids)< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   widevine_pssh_data.add_key_id(key_id.data(), key_id.size());< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "keywordflow" > return< / span > StringToBytes(widevine_pssh_data.SerializeAsString());< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   }< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordtype" > bool< / span > Base64StringToBytes(< span class = "keyword" > const< / span > std::string& base64_string,< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   std::vector< uint8_t> * bytes) {< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   DCHECK(bytes);< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   std::string str;< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > if< / span > (!base::Base64Decode(base64_string, & str))< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   bytes-> assign(str.begin(), str.end());< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordtype" > void< / span > BytesToBase64String(< span class = "keyword" > const< / span > std::vector< uint8_t> & bytes,< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   std::string* base64_string) {< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   DCHECK(base64_string);< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   base::Base64Encode(base::StringPiece(reinterpret_cast< const char*> < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   (bytes.data()), bytes.size()),< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   base64_string);< / 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 >   < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordtype" > bool< / span > GetKeyFromTrack(< span class = "keyword" > const< / span > base::DictionaryValue& track_dict,< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   std::vector< uint8_t> * key) {< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   std::string key_base64_string;< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   RCHECK(track_dict.GetString(< span class = "stringliteral" > " key" < / span > , & key_base64_string));< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   VLOG(2) < < < span class = "stringliteral" > " Key:" < / span > < < key_base64_string;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   RCHECK(Base64StringToBytes(key_base64_string, key));< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   }< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordtype" > bool< / span > GetKeyIdFromTrack(< span class = "keyword" > const< / span > base::DictionaryValue& track_dict,< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   std::vector< uint8_t> * key_id) {< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   DCHECK(key_id);< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   std::string key_id_base64_string;< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   RCHECK(track_dict.GetString(< span class = "stringliteral" > " key_id" < / span > , & key_id_base64_string));< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   VLOG(2) < < < span class = "stringliteral" > " Keyid:" < / span > < < key_id_base64_string;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   RCHECK(Base64StringToBytes(key_id_base64_string, key_id));< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / 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 >   < span class = "keywordtype" > bool< / span > GetPsshDataFromTrack(< span class = "keyword" > const< / span > base::DictionaryValue& track_dict,< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   std::vector< uint8_t> * pssh_data) {< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   DCHECK(pssh_data);< / 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 >   < span class = "keyword" > const< / span > base::ListValue* pssh_list;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   RCHECK(track_dict.GetList(< span class = "stringliteral" > " pssh" < / span > , & pssh_list));< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > // Invariant check. We don' t want to crash in release mode if possible.< / span > < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > // The following code handles it gracefully if GetSize() does not return 1.< / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   DCHECK_EQ(1u, pssh_list-> GetSize());< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keyword" > const< / span > base::DictionaryValue* pssh_dict;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   RCHECK(pssh_list-> GetDictionary(0, & pssh_dict));< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   std::string drm_type;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   RCHECK(pssh_dict-> GetString(< span class = "stringliteral" > " drm_type" < / span > , & drm_type));< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > if< / span > (drm_type != < span class = "stringliteral" > " WIDEVINE" < / span > ) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Expecting drm_type ' WIDEVINE' , get ' " < / span > < < drm_type < < < span class = "stringliteral" > " ' ." < / span > ;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   }< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   std::string pssh_data_base64_string;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   RCHECK(pssh_dict-> GetString(< span class = "stringliteral" > " data" < / span > , & pssh_data_base64_string));< / 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 >   VLOG(2) < < < span class = "stringliteral" > " Pssh Data:" < / span > < < pssh_data_base64_string;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   RCHECK(Base64StringToBytes(pssh_data_base64_string, pssh_data));< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   }< / div >
2017-04-20 21:19:19 +00:00
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
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< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordtype" > bool< / span > IsProtectionSchemeValid(FourCC protection_scheme) {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "keywordflow" > return< / span > protection_scheme == FOURCC_cenc || protection_scheme == FOURCC_cbcs ||< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   protection_scheme == FOURCC_cbc1 || protection_scheme == FOURCC_cens;< / 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 >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a93480a98e423d0456482844ac629bd2e" > 130< / a > < / span >   < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a93480a98e423d0456482844ac629bd2e" > WidevineKeySource::WidevineKeySource< / a > (< span class = "keyword" > const< / span > std::string& server_url,< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordtype" > bool< / span > add_common_pssh)< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   : key_production_thread_(< span class = "stringliteral" > " KeyProductionThread" < / span > ,< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   base::Bind(& < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html" > WidevineKeySource< / a > ::FetchKeysTask,< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   base::Unretained(this))),< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   key_fetcher_(new < a class = "code" href = "../../d7/de0/classshaka_1_1media_1_1HttpKeyFetcher.html" > HttpKeyFetcher< / a > (kKeyFetchTimeoutInSeconds)),< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   server_url_(server_url),< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   crypto_period_count_(kDefaultCryptoPeriodCount),< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   protection_scheme_(FOURCC_cenc),< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   add_common_pssh_(add_common_pssh),< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   key_production_started_(false),< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   start_key_production_(base::WaitableEvent::ResetPolicy::AUTOMATIC,< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   base::WaitableEvent::InitialState::NOT_SIGNALED),< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   first_crypto_period_index_(0) {< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   key_production_thread_.Start();< / 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 >   WidevineKeySource::~WidevineKeySource() {< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordflow" > if< / span > (key_pool_)< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   key_pool_-> Stop();< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordflow" > if< / span > (key_production_thread_.HasBeenStarted()) {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "comment" > // Signal the production thread to start key production if it is not< / span > < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "comment" > // signaled yet so the thread can be joined.< / span > < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   start_key_production_.Signal();< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   key_production_thread_.Join();< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / 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 >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a6fb9680be887d3b9367e015029f909f2" > 158< / a > < / span >   Status < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#aeea3e62921c176aa6be1f0a95f03b6cf" > WidevineKeySource::FetchKeys< / a > (< span class = "keyword" > const< / span > std::vector< uint8_t> & content_id,< / div >
2017-05-16 22:54:27 +00:00
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keyword" > const< / span > std::string& policy) {< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   base::AutoLock scoped_lock(lock_);< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   request_dict_.Clear();< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   std::string content_id_base64_string;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   BytesToBase64String(content_id, & content_id_base64_string);< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   request_dict_.SetString(< span class = "stringliteral" > " content_id" < / span > , content_id_base64_string);< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   request_dict_.SetString(< span class = "stringliteral" > " policy" < / span > , policy);< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   FourCC protection_scheme = protection_scheme_;< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "comment" > // Treat sample aes as a variant of cbcs.< / span > < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keywordflow" > if< / span > (protection_scheme == kAppleSampleAesProtectionScheme)< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   protection_scheme = FOURCC_cbcs;< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > if< / span > (IsProtectionSchemeValid(protection_scheme)) {< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   request_dict_.SetInteger(< span class = "stringliteral" > " protection_scheme" < / span > , protection_scheme);< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Ignore unrecognized protection scheme " < / span > < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < < FourCCToString(protection_scheme);< / 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 >   < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keywordflow" > return< / span > FetchKeysInternal(!kEnableKeyRotation, 0, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   }< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < / div >
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< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#aeea3e62921c176aa6be1f0a95f03b6cf" > 181< / a > < / span >   Status < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#aeea3e62921c176aa6be1f0a95f03b6cf" > WidevineKeySource::FetchKeys< / a > (EmeInitDataType init_data_type,< / div >
2017-05-16 22:54:27 +00:00
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> & init_data) {< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   std::vector< uint8_t> pssh_data;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   uint32_t asset_id = 0;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordflow" > switch< / span > (init_data_type) {< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keywordflow" > case< / span > EmeInitDataType::CENC: {< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> widevine_system_id(< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   kWidevineSystemId, kWidevineSystemId + arraysize(kWidevineSystemId));< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   std::vector< ProtectionSystemSpecificInfo> protection_systems_info;< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "../../d0/dd4/classshaka_1_1media_1_1ProtectionSystemSpecificInfo.html#aa984e27d2655a451ea87ff0a4ddd8b79" > ProtectionSystemSpecificInfo::ParseBoxes< / a > (< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   init_data.data(), init_data.size(), & protection_systems_info)) {< / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordflow" > return< / span > Status(error::PARSER_FAILURE, < span class = "stringliteral" > " Error parsing the PSSH boxes." < / span > );< / div >
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< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   }< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & info: protection_systems_info) {< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "comment" > // Use Widevine PSSH if available otherwise construct a Widevine PSSH< / span > < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "comment" > // from the first available key ids.< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordflow" > if< / span > (info.system_id() == widevine_system_id) {< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   pssh_data = info.pssh_data();< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (pssh_data.empty() & & !info.key_ids().empty()) {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   pssh_data = WidevinePsshFromKeyId(info.key_ids());< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "comment" > // Continue to see if there is any Widevine PSSH. The KeyId generated< / span > < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "comment" > // PSSH is only used if a Widevine PSSH could not be found.< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > continue< / 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 >   }< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "keywordflow" > if< / span > (pssh_data.empty())< / div >
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< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > return< / span > Status(error::INVALID_ARGUMENT, < span class = "stringliteral" > " No supported PSSHs found." < / span > );< / div >
2017-05-16 22:54:27 +00:00
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   }< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keywordflow" > case< / span > EmeInitDataType::WEBM:< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   pssh_data = WidevinePsshFromKeyId({init_data});< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keywordflow" > case< / span > EmeInitDataType::WIDEVINE_CLASSIC:< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keywordflow" > if< / span > (init_data.size() < < span class = "keyword" > sizeof< / span > (asset_id))< / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "keywordflow" > return< / span > Status(error::INVALID_ARGUMENT, < span class = "stringliteral" > " Invalid asset id." < / span > );< / div >
2017-05-16 22:54:27 +00:00
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   asset_id = ntohlFromBuffer(init_data.data());< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Init data type " < / span > < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (init_data_type)< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < < < span class = "stringliteral" > " not supported." < / span > ;< / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keywordflow" > return< / span > Status(error::INVALID_ARGUMENT, < span class = "stringliteral" > " Unsupported init data type." < / span > );< / div >
2017-05-16 22:54:27 +00:00
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   }< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > widevine_classic =< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   init_data_type == EmeInitDataType::WIDEVINE_CLASSIC;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   base::AutoLock scoped_lock(lock_);< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   request_dict_.Clear();< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "keywordflow" > if< / span > (widevine_classic) {< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "comment" > // Javascript/JSON does not support int64_t or unsigned numbers. Use double< / span > < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "comment" > // instead as 32-bit integer can be lossless represented using double.< / span > < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   request_dict_.SetDouble(< span class = "stringliteral" > " asset_id" < / span > , asset_id);< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   std::string pssh_data_base64_string;< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   BytesToBase64String(pssh_data, & pssh_data_base64_string);< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   request_dict_.SetString(< span class = "stringliteral" > " pssh_data" < / span > , pssh_data_base64_string);< / 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 >   < span class = "keywordflow" > return< / span > FetchKeysInternal(!kEnableKeyRotation, 0, widevine_classic);< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   }< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#ae7fa01a2f2f91e26e45b54146c929580" > 240< / a > < / span >   Status < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#ae7fa01a2f2f91e26e45b54146c929580" > WidevineKeySource::GetKey< / a > (< span class = "keyword" > const< / span > std::string& stream_label,< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keywordflow" > if< / span > (encryption_key_map_.find(stream_label) == encryption_key_map_.end()) {< / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "stringliteral" > " Cannot find key for ' " < / span > + stream_label + < span class = "stringliteral" > " ' ." < / span > );< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   }< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   *key = *encryption_key_map_[stream_label];< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   }< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a59699cd998290adae74e6596ba44fdc3" > 251< / a > < / span >   Status < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#ae7fa01a2f2f91e26e45b54146c929580" > WidevineKeySource::GetKey< / a > (< span class = "keyword" > const< / span > std::vector< uint8_t> & key_id,< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pair : encryption_key_map_) {< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > if< / span > (pair.second-> key_id == key_id) {< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   *key = *pair.second;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   }< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   }< / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < span class = "stringliteral" > " Cannot find key with specified key ID" < / span > );< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   }< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < / div >
2017-06-30 20:14:31 +00:00
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a783cd4a9bf35fe2a7a610806bfda8e62" > 264< / a > < / span >   Status < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a783cd4a9bf35fe2a7a610806bfda8e62" > WidevineKeySource::GetCryptoPeriodKey< / a > (uint32_t crypto_period_index,< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "keyword" > const< / span > std::string& stream_label,< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   DCHECK(key_production_thread_.HasBeenStarted());< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "comment" > // TODO(kqyang): This is not elegant. Consider refactoring later.< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   {< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   base::AutoLock scoped_lock(lock_);< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordflow" > if< / span > (!key_production_started_) {< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "comment" > // Another client may have a slightly smaller starting crypto period< / span > < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "comment" > // index. Set the initial value to account for that.< / span > < / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   first_crypto_period_index_ =< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   crypto_period_index ? crypto_period_index - 1 : 0;< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   DCHECK(!key_pool_);< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   key_pool_.reset(< span class = "keyword" > new< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > EncryptionKeyQueue< / a > (crypto_period_count_,< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   first_crypto_period_index_));< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   start_key_production_.Signal();< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   key_production_started_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   }< / 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 >   < span class = "keywordflow" > return< / span > GetKeyInternal(crypto_period_index, stream_label, key);< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   }< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a48d182da15ecc85e2ae7fd164ba0a526" > 286< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a48d182da15ecc85e2ae7fd164ba0a526" > WidevineKeySource::set_signer< / a > (std::unique_ptr< RequestSigner> signer) {< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   signer_ = std::move(signer);< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   }< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a97c0565df9381e178ebb50c193cebd04" > 290< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a97c0565df9381e178ebb50c193cebd04" > WidevineKeySource::set_key_fetcher< / a > (< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   std::unique_ptr< KeyFetcher> key_fetcher) {< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   key_fetcher_ = std::move(key_fetcher);< / 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 >   < / div >
2017-07-20 17:10:10 +00:00
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < span class = "keywordtype" > void< / span > WidevineKeySource::set_group_id(< span class = "keyword" > const< / span > std::vector< uint8_t> & group_id) {< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   group_id_ = group_id;< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   }< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   Status WidevineKeySource::GetKeyInternal(uint32_t crypto_period_index,< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keyword" > const< / span > std::string& stream_label,< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   EncryptionKey* key) {< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   DCHECK(key_pool_);< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   std::shared_ptr< EncryptionKeyMap> encryption_key_map;< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   Status status = key_pool_-> Peek(crypto_period_index, & encryption_key_map,< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   kGetKeyTimeoutInSeconds * 1000);< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "keywordflow" > if< / span > (status.error_code() == error::STOPPED) {< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   CHECK(!common_encryption_request_status_.ok());< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "keywordflow" > return< / span > common_encryption_request_status_;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   }< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   }< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "keywordflow" > if< / span > (encryption_key_map-> find(stream_label) == encryption_key_map-> end()) {< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < span class = "stringliteral" > " Cannot find key for ' " < / span > + stream_label + < span class = "stringliteral" > " ' ." < / span > );< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   }< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   *key = *encryption_key_map-> at(stream_label);< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   }< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordtype" > void< / span > WidevineKeySource::FetchKeysTask() {< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "comment" > // Wait until key production is signaled.< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   start_key_production_.Wait();< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > if< / span > (!key_pool_ || key_pool_-> Stopped())< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   Status status = FetchKeysInternal(kEnableKeyRotation,< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   first_crypto_period_index_,< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordflow" > while< / span > (status.ok()) {< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   first_crypto_period_index_ += crypto_period_count_;< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   status = FetchKeysInternal(kEnableKeyRotation,< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   first_crypto_period_index_,< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keyword" > false< / 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" > 339< / span >   common_encryption_request_status_ = status;< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   key_pool_-> Stop();< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   }< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   Status WidevineKeySource::FetchKeysInternal(< span class = "keywordtype" > bool< / span > enable_key_rotation,< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   uint32_t first_crypto_period_index,< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "keywordtype" > bool< / span > widevine_classic) {< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   std::string request;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   FillRequest(enable_key_rotation,< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   first_crypto_period_index,< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   & request);< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   std::string message;< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   Status status = GenerateKeyMessage(request, & message);< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   VLOG(1) < < < span class = "stringliteral" > " Message: " < / span > < < message;< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   std::string raw_response;< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   int64_t sleep_duration = kFirstRetryDelayMilliseconds;< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "comment" > // Perform client side retries if seeing server transient error to workaround< / span > < / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < span class = "comment" > // server limitation.< / span > < / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumTransientErrorRetries; ++i) {< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   status = key_fetcher_-> FetchKeys(server_url_, message, & raw_response);< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (status.ok()) {< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   VLOG(1) < < < span class = "stringliteral" > " Retry [" < / span > < < i < < < span class = "stringliteral" > " ] Response:" < / span > < < raw_response;< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   std::string response;< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < span class = "keywordflow" > if< / span > (!DecodeResponse(raw_response, & response)) {< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   < span class = "stringliteral" > " Failed to decode response ' " < / span > + raw_response + < span class = "stringliteral" > " ' ." < / span > );< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   }< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordtype" > bool< / span > transient_error = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keywordflow" > if< / span > (ExtractEncryptionKey(enable_key_rotation,< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   widevine_classic,< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   response,< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   & transient_error))< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < span class = "keywordflow" > if< / span > (!transient_error) {< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "keywordflow" > return< / span > Status(< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < span class = "stringliteral" > " Failed to extract encryption key from ' " < / span > + response + < span class = "stringliteral" > " ' ." < / span > );< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   }< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (status.error_code() != error::TIME_OUT) {< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   }< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < span class = "comment" > // Exponential backoff.< / span > < / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keywordflow" > if< / span > (i != kNumTransientErrorRetries - 1) {< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   base::PlatformThread::Sleep(< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   base::TimeDelta::FromMilliseconds(sleep_duration));< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   sleep_duration *= 2;< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   }< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   }< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < span class = "stringliteral" > " Failed to recover from server internal error." < / span > );< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   }< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < span class = "keywordtype" > void< / span > WidevineKeySource::FillRequest(< span class = "keywordtype" > bool< / span > enable_key_rotation,< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   uint32_t first_crypto_period_index,< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   std::string* request) {< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   DCHECK(request);< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   DCHECK(!request_dict_.empty());< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "comment" > // Build tracks.< / span > < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   base::ListValue* tracks = < span class = "keyword" > new< / span > base::ListValue();< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   base::DictionaryValue* track_sd = < span class = "keyword" > new< / span > base::DictionaryValue();< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   track_sd-> SetString(< span class = "stringliteral" > " type" < / span > , < span class = "stringliteral" > " SD" < / span > );< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   tracks-> Append(track_sd);< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   base::DictionaryValue* track_hd = < span class = "keyword" > new< / span > base::DictionaryValue();< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   track_hd-> SetString(< span class = "stringliteral" > " type" < / span > , < span class = "stringliteral" > " HD" < / span > );< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   tracks-> Append(track_hd);< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   base::DictionaryValue* track_uhd1 = < span class = "keyword" > new< / span > base::DictionaryValue();< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   track_uhd1-> SetString(< span class = "stringliteral" > " type" < / span > , < span class = "stringliteral" > " UHD1" < / span > );< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   tracks-> Append(track_uhd1);< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   base::DictionaryValue* track_uhd2 = < span class = "keyword" > new< / span > base::DictionaryValue();< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   track_uhd2-> SetString(< span class = "stringliteral" > " type" < / span > , < span class = "stringliteral" > " UHD2" < / span > );< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   tracks-> Append(track_uhd2);< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   base::DictionaryValue* track_audio = < span class = "keyword" > new< / span > base::DictionaryValue();< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   track_audio-> SetString(< span class = "stringliteral" > " type" < / span > , < span class = "stringliteral" > " AUDIO" < / span > );< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   tracks-> Append(track_audio);< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   request_dict_.Set(< span class = "stringliteral" > " tracks" < / span > , tracks);< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < span class = "comment" > // Build DRM types.< / span > < / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   base::ListValue* drm_types = < span class = "keyword" > new< / span > base::ListValue();< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   drm_types-> AppendString(< span class = "stringliteral" > " WIDEVINE" < / span > );< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   request_dict_.Set(< span class = "stringliteral" > " drm_types" < / span > , drm_types);< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "comment" > // Build key rotation fields.< / span > < / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "keywordflow" > if< / span > (enable_key_rotation) {< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "comment" > // Javascript/JSON does not support int64_t or unsigned numbers. Use double< / span > < / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "comment" > // instead as 32-bit integer can be lossless represented using double.< / span > < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   request_dict_.SetDouble(< span class = "stringliteral" > " first_crypto_period_index" < / span > ,< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   first_crypto_period_index);< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   request_dict_.SetInteger(< span class = "stringliteral" > " crypto_period_count" < / span > , crypto_period_count_);< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   }< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "comment" > // Set group id if present.< / span > < / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordflow" > if< / span > (!group_id_.empty()) {< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   std::string group_id_base64;< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   BytesToBase64String(group_id_, & group_id_base64);< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   request_dict_.SetString(< span class = "stringliteral" > " group_id" < / span > , group_id_base64);< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   }< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < / div >
2017-07-20 17:10:10 +00:00
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   base::JSONWriter::WriteWithOptions(< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   request_dict_,< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < span class = "comment" > // Write doubles that have no fractional part as a normal integer, i.e.< / span > < / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < span class = "comment" > // without using exponential notation or appending a ' .0' .< / span > < / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   base::JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION, request);< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   }< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   Status WidevineKeySource::GenerateKeyMessage(< span class = "keyword" > const< / span > std::string& request,< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   std::string* message) {< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   DCHECK(message);< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   std::string request_base64_string;< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   base::Base64Encode(request, & request_base64_string);< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   base::DictionaryValue request_dict;< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   request_dict.SetString(< span class = "stringliteral" > " request" < / span > , request_base64_string);< / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "comment" > // Sign the request.< / span > < / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < span class = "keywordflow" > if< / span > (signer_) {< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   std::string signature;< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < span class = "keywordflow" > if< / span > (!signer_-> GenerateSignature(request, & signature))< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR, < span class = "stringliteral" > " Signature generation failed." < / span > );< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < / div >
2017-07-20 17:10:10 +00:00
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   std::string signature_base64_string;< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   base::Base64Encode(signature, & signature_base64_string);< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   request_dict.SetString(< span class = "stringliteral" > " signature" < / span > , signature_base64_string);< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   request_dict.SetString(< span class = "stringliteral" > " signer" < / span > , signer_-> signer_name());< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   }< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   < / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   base::JSONWriter::Write(request_dict, message);< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   }< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   < span class = "keywordtype" > bool< / span > WidevineKeySource::DecodeResponse(< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < span class = "keyword" > const< / span > std::string& raw_response,< / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   std::string* response) {< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   DCHECK(response);< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   < / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   < span class = "comment" > // Extract base64 formatted response from JSON formatted raw response.< / span > < / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   std::unique_ptr< base::Value> root(base::JSONReader::Read(raw_response));< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   < span class = "keywordflow" > if< / span > (!root) {< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   LOG(ERROR) < < < span class = "stringliteral" > " ' " < / span > < < raw_response < < < span class = "stringliteral" > " ' is not in JSON format." < / span > ;< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   }< / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   < span class = "keyword" > const< / span > base::DictionaryValue* response_dict = NULL;< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   RCHECK(root-> GetAsDictionary(& response_dict));< / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   std::string response_base64_string;< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   RCHECK(response_dict-> GetString(< span class = "stringliteral" > " response" < / span > , & response_base64_string));< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   RCHECK(base::Base64Decode(response_base64_string, response));< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   }< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < span class = "keywordtype" > bool< / span > WidevineKeySource::ExtractEncryptionKey(< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < span class = "keywordtype" > bool< / span > enable_key_rotation,< / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "keywordtype" > bool< / span > widevine_classic,< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   < span class = "keyword" > const< / span > std::string& response,< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   < span class = "keywordtype" > bool< / span > * transient_error) {< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   DCHECK(transient_error);< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   *transient_error = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   < / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   std::unique_ptr< base::Value> root(base::JSONReader::Read(response));< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < span class = "keywordflow" > if< / span > (!root) {< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   LOG(ERROR) < < < span class = "stringliteral" > " ' " < / span > < < response < < < span class = "stringliteral" > " ' is not in JSON format." < / span > ;< / div >
2017-06-15 18:19:40 +00:00
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   }< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < / div >
2017-07-20 17:10:10 +00:00
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < span class = "keyword" > const< / span > base::DictionaryValue* license_dict = NULL;< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   RCHECK(root-> GetAsDictionary(& license_dict));< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   < / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   std::string license_status;< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   RCHECK(license_dict-> GetString(< span class = "stringliteral" > " status" < / span > , & license_status));< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   < span class = "keywordflow" > if< / span > (license_status != kLicenseStatusOK) {< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Received non-OK license response: " < / span > < < response;< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   *transient_error = (license_status == kLicenseStatusTransientError);< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   }< / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   < / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   < span class = "keyword" > const< / span > base::ListValue* tracks;< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   RCHECK(license_dict-> GetList(< span class = "stringliteral" > " tracks" < / span > , & tracks));< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < span class = "comment" > // Should have at least one track per crypto_period.< / span > < / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   RCHECK(enable_key_rotation ? tracks-> GetSize() > = 1 * crypto_period_count_< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   : tracks-> GetSize() > = 1);< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   < / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   < span class = "keywordtype" > int< / span > current_crypto_period_index = first_crypto_period_index_;< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   EncryptionKeyMap encryption_key_map;< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < tracks-> GetSize(); ++i) {< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   < span class = "keyword" > const< / span > base::DictionaryValue* track_dict;< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   RCHECK(tracks-> GetDictionary(i, & track_dict));< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   < / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < span class = "keywordflow" > if< / span > (enable_key_rotation) {< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   < span class = "keywordtype" > int< / span > crypto_period_index;< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   RCHECK(< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   track_dict-> GetInteger(< span class = "stringliteral" > " crypto_period_index" < / span > , & crypto_period_index));< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < span class = "keywordflow" > if< / span > (crypto_period_index != current_crypto_period_index) {< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < span class = "keywordflow" > if< / span > (crypto_period_index != current_crypto_period_index + 1) {< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Expecting crypto period index " < / span > < / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   < < current_crypto_period_index < < < span class = "stringliteral" > " or " < / span > < / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   < < current_crypto_period_index + 1 < < < span class = "stringliteral" > " ; Seen " < / span > < / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < < crypto_period_index < < < span class = "stringliteral" > " at track " < / span > < < i;< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   }< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < span class = "keywordflow" > if< / span > (!PushToKeyPool(& encryption_key_map))< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   ++current_crypto_period_index;< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   }< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   }< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   std::string stream_label;< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   RCHECK(track_dict-> GetString(< span class = "stringliteral" > " type" < / span > , & stream_label));< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   RCHECK(encryption_key_map.find(stream_label) == encryption_key_map.end());< / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   < / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   std::unique_ptr< EncryptionKey> encryption_key(< span class = "keyword" > new< / span > EncryptionKey());< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   < / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   < span class = "keywordflow" > if< / span > (!GetKeyFromTrack(*track_dict, & encryption_key-> key))< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < span class = "comment" > // Get key ID and PSSH data for CENC content only.< / span > < / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < span class = "keywordflow" > if< / span > (!widevine_classic) {< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "keywordflow" > if< / span > (!GetKeyIdFromTrack(*track_dict, & encryption_key-> key_id))< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   ProtectionSystemSpecificInfo info;< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   info.add_key_id(encryption_key-> key_id);< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   info.set_system_id(kWidevineSystemId, arraysize(kWidevineSystemId));< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   info.set_pssh_box_version(0);< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   std::vector< uint8_t> pssh_data;< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   < span class = "keywordflow" > if< / span > (!GetPsshDataFromTrack(*track_dict, & pssh_data))< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   info.set_pssh_data(pssh_data);< / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   < / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   encryption_key-> key_system_info.push_back(info);< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   }< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   encryption_key_map[stream_label] = std::move(encryption_key);< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   }< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "comment" > // If the flag exists, create a common system ID PSSH box that contains the< / span > < / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < span class = "comment" > // key IDs of all the keys.< / span > < / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   < span class = "keywordflow" > if< / span > (add_common_pssh_ & & !widevine_classic) {< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   std::set< std::vector< uint8_t> > key_ids;< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EncryptionKeyMap::value_type& pair : encryption_key_map) {< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   key_ids.insert(pair.second-> key_id);< / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   }< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   < / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < span class = "comment" > // Create a common system PSSH box.< / span > < / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   ProtectionSystemSpecificInfo info;< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   info.set_system_id(kCommonSystemId, arraysize(kCommonSystemId));< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   info.set_pssh_box_version(1);< / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< uint8_t> & key_id : key_ids) {< / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   info.add_key_id(key_id);< / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   }< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   < / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EncryptionKeyMap::value_type& pair : encryption_key_map) {< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   pair.second-> key_system_info.push_back(info);< / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   }< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   }< / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   DCHECK(!encryption_key_map.empty());< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < span class = "keywordflow" > if< / span > (!enable_key_rotation) {< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   < span class = "comment" > // Merge with previously requested keys.< / span > < / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > & pair : encryption_key_map)< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   encryption_key_map_[pair.first] = std::move(pair.second);< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   }< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   < span class = "keywordflow" > return< / span > PushToKeyPool(& encryption_key_map);< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   }< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   < / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < span class = "keywordtype" > bool< / span > WidevineKeySource::PushToKeyPool(< / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   EncryptionKeyMap* encryption_key_map) {< / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   DCHECK(key_pool_);< / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   DCHECK(encryption_key_map);< / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   < span class = "keyword" > auto< / span > encryption_key_map_shared = std::make_shared< EncryptionKeyMap> ();< / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   encryption_key_map_shared-> swap(*encryption_key_map);< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   Status status = key_pool_-> Push(encryption_key_map_shared, kInfiniteTimeout);< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   DCHECK_EQ(error::STOPPED, status.error_code());< / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   }< / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   }< / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1HttpKeyFetcher_html" > < div class = "ttname" > < a href = "../../d7/de0/classshaka_1_1media_1_1HttpKeyFetcher.html" > shaka::media::HttpKeyFetcher< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d71/http__key__fetcher_8h_source.html#l00026" > http_key_fetcher.h:26< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > shaka::media::ProducerConsumerQueue< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00028" > producer_consumer_queue.h:28< / a > < / div > < / div >
2017-04-20 21:19:19 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1ProtectionSystemSpecificInfo_html_aa984e27d2655a451ea87ff0a4ddd8b79" > < div class = "ttname" > < a href = "../../d0/dd4/classshaka_1_1media_1_1ProtectionSystemSpecificInfo.html#aa984e27d2655a451ea87ff0a4ddd8b79" > shaka::media::ProtectionSystemSpecificInfo::ParseBoxes< / a > < / div > < div class = "ttdeci" > static bool ParseBoxes(const uint8_t *data, size_t data_size, std::vector< ProtectionSystemSpecificInfo > *pssh_boxes)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d42/protection__system__specific__info_8cc_source.html#l00025" > protection_system_specific_info.cc:25< / a > < / div > < / div >
2017-05-16 22:54:27 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html" > shaka::media::WidevineKeySource< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/d5c/widevine__key__source_8h_source.html#l00031" > widevine_key_source.h:31< / a > < / div > < / div >
2017-04-20 21:19:19 +00:00
< 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 >
2017-06-15 18:19:40 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html_ae7fa01a2f2f91e26e45b54146c929580" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#ae7fa01a2f2f91e26e45b54146c929580" > shaka::media::WidevineKeySource::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 = "../../d5/d89/widevine__key__source_8cc_source.html#l00240" > widevine_key_source.cc:240< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html_a97c0565df9381e178ebb50c193cebd04" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a97c0565df9381e178ebb50c193cebd04" > shaka::media::WidevineKeySource::set_key_fetcher< / a > < / div > < div class = "ttdeci" > void set_key_fetcher(std::unique_ptr< KeyFetcher > key_fetcher)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d89/widevine__key__source_8cc_source.html#l00290" > widevine_key_source.cc:290< / a > < / div > < / div >
2017-05-16 22:54:27 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html_a93480a98e423d0456482844ac629bd2e" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a93480a98e423d0456482844ac629bd2e" > shaka::media::WidevineKeySource::WidevineKeySource< / a > < / div > < div class = "ttdeci" > WidevineKeySource(const std::string & server_url, bool add_common_pssh)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d89/widevine__key__source_8cc_source.html#l00130" > widevine_key_source.cc:130< / a > < / div > < / div >
2017-06-15 18:19:40 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html_a783cd4a9bf35fe2a7a610806bfda8e62" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a783cd4a9bf35fe2a7a610806bfda8e62" > shaka::media::WidevineKeySource::GetCryptoPeriodKey< / a > < / div > < div class = "ttdeci" > Status GetCryptoPeriodKey(uint32_t crypto_period_index, const std::string & stream_label, EncryptionKey *key) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d89/widevine__key__source_8cc_source.html#l00264" > widevine_key_source.cc:264< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html_a48d182da15ecc85e2ae7fd164ba0a526" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a48d182da15ecc85e2ae7fd164ba0a526" > shaka::media::WidevineKeySource::set_signer< / a > < / div > < div class = "ttdeci" > void set_signer(std::unique_ptr< RequestSigner > signer)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d89/widevine__key__source_8cc_source.html#l00286" > widevine_key_source.cc:286< / a > < / div > < / div >
2017-05-16 22:54:27 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1WidevineKeySource_html_aeea3e62921c176aa6be1f0a95f03b6cf" > < div class = "ttname" > < a href = "../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#aeea3e62921c176aa6be1f0a95f03b6cf" > shaka::media::WidevineKeySource::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 = "../../d5/d89/widevine__key__source_8cc_source.html#l00181" > widevine_key_source.cc:181< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
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2017-08-18 21:09:40 +00:00
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2015-10-16 00:33:37 +00:00
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