// // BNCServerInterface.m // Branch-SDK // // Created by Alex Austin on 6/6/14. // Copyright (c) 2014 Branch Metrics. All rights reserved. // #import "BNCServerInterface.h" #import "BNCConfig.h" #import "BNCEncodingUtils.h" #import "BNCError.h" #import "BranchConstants.h" #import "BNCDeviceInfo.h" #import "NSMutableDictionary+Branch.h" #import "BNCLog.h" #import "Branch.h" #import "BNCLocalization.h" @interface BNCServerInterface () @property (strong) NSString *requestEndpoint; @property (strong) id networkService; @end @implementation BNCServerInterface - (instancetype) init { self = [super init]; if (!self) return self; self.networkService = [[Branch networkServiceClass] new]; if ([self.networkService respondsToSelector:@selector(pinSessionToPublicSecKeyRefs:)]) { NSError *error = [self.networkService pinSessionToPublicSecKeyRefs:self.class.publicSecKeyRefs]; if (error) { BNCLogError(@"Certificate pinning failed. Continuing without pinning: %@.", error); } } return self; } + (NSArray/***/*) publicSecKeyRefs { #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wobjc-string-concatenation" NSArray *hexKeys = @[ // star_branch_io.pub.p12 @"30821d9102010330821d5706092a864886f70d010701a0821d4804821d44" "30821d40308217f706092a864886f70d010706a08217e8308217e4020100" "308217dd06092a864886f70d010701301c060a2a864886f70d010c010630" "0e04081719fadd81059fec02020800808217b0b1d82a5e9c29eb4cb6fa3b" "21e38c81d4343136db6b5961e8f58ac7d6a6a8687f1fa999743eaf23d916" "e59c53457bcb7dd573d741fdac9c73142f76adbd1032ec5fea5145b823fe" "74a13a6318cb404f00230bab846d1bd6f179f6667d29ad93001cfe4933ba" "5ed90d0456ab1ef9ebb7bfb456cc5c58bec9c9cbf319911cc4733731e3a6" "59afee427166f77ddb354c00d23fb073b22e8649dae598edfad04d58b248" "803e6e4c8036bfee5884bd0f6a4052918ea748a7a281d019723b071ea799" "c5748a0cd9b71b773bd38dd07c98ee8ab7e8ac3f6de898747db3e4691b5a" "2315e17595eeee61ed95198d33fd738e8beeca09e4dbadb92b1431e5496e" "a5a38ae64a147b2efba4b418e77f52fa38ba64f263b4e4942e0e713b9f4a" "330b339a021f262fecb400115f3162da2849c53dd226498f781f57768d3f" "d08cbe7e791b093515ec8154a83fad46a346f28a2e1283810491d2e8b98e" "ac0a6622c65ddb96c3dea602d4b052898baa93d24e63d52fcc66bc8b7ab8" "252d4bb2ee7923dda59b944c3dacd91e787786bf120cae120e7c20fedac2" "521344f436c61f7570ac79b5862ed28e9e90186c3f350b26a15e2358efa0" "7d73366f509646c3b5aaddeac19c1777376fb48c976d3ad0884e13619301" "e196dbc249841c9e563e879287ae781e430711a3fd706ce3fe68897ab26c" "3e26e71d4abf22cae06cc07e2dc3d8e3ea6f90aa926a0cb5becd93d93aa0" "df9373d74de67b4d4242b27e5fc95506396d6e33ffb89ded52b52fd72532" "0cda26ab555730c21fc12902204ea52670f704f90df71c46eeaea4fed60a" "0191069274725fa072d1666965372679b5023a429a11ccf653a429f63ae4" "512d6f83db14848f192fd8aa2c20853f5527542e51d480d951cddbc95c4c" "863f277180170e6ef9752ad516297b42ecf70bc4e98bd1e68ee8b04b440c" "f22cd6b7b8a3486abbca1a900b208029ff2b14c9a8ba4c4754b8d70a42b1" 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"bc4df087ce12c6487ef27a3378a70327c81ba091b981003341847312f6b6" "4ae58ea9d83f013de5a592e211fe226f229772ac35741b8bf3297aebcf8c" "d512e2de1a79e89d3125273c875c124e4b6bae0cba2419a3e1198a505fca" "68a60f813875b0f2322719f6ca75f8cec0e25456858619d58db1e431062e" "ae60cccf809d213be77f1e54fa0adfb84682353a77b6e99fcdf172e13397" "b07a1a235a506a926d3dac91bbd4f900716036c99d54108f368221745759" "6eccefd3b06614585330e520d044ce3368805ba180ea145a4a10c35a2962" "b927cd7d422b3a4d86a2bced9263fbd9c20f65a83f1435086524de172035" "c4c115ee04bf9b5e5d5e07179058ce99c0c6ea2dca1182872f97488cc5bf" "182173fe478ec7bde8bd57ce02dadd8441ecf3c0220a2e36337ec44a3bf3" "b5e95eb35f2a1cc56ccd063a10bf1da59c55be2059220b3b5e1de9503353" "d8a0bbaca99c0ad8271d359bab02b228411b99f588717e9ee0fd0ca645ad" "20f4e009c01d136598daec59435728806481f9bd60f64ef320f00450a884" "e5f9980446245ca692168ba73efd3dff64cb5d4a23dec2a4c4b4d11665bf" "cd0c3792c1d642403c7ae678bacde4e7051b3825f5f7ea6858231d70fa5a" "e7da4ad7ce2741a674c90f470493f22031f6ed64cfdb5989b346561bd557" "2d12e1fcdaf7cb74064e6f3946167ac0ed35d879bc599a314245507d3026" "57ec98d45b2c3267404b1e734af4a7c0cc531910222a75a54d34ad56e4d9" "106b307b682166e933152f1dd60f0ffdd6c339d4f8dc7ea0df87bec294c0" "08ceb8827064a4c42fc3b03a86fb787df25773ec0fcf30156149fe43c5e9" "015d58933e885bf6c99089ba4ddd253a52c3853e1895df6fa8f737a04854" "45f8f1e2fdf9de2f2093c258519cc70a5c9eea97e315e99626eea5d07296" "df760d5aac0ae1844cf35088f09e99ce1df40d067d4ba5538bd61c55cc9f" "a4e7cfc917b1524aa71b8ab581c687de7968e1b0de773d279c90da964a7b" "091c8ac86c96da1da13b4ec54df0c4eb5a124b9d0b602b82e1aab2278102" "c70bbc2b6e57641dd15199e014cb3583ee80901ea0b9a9c49404a2e169e3" "5fddee9777c5b236bff13963517f534b5fd79ccd46086d75b91374d76de7" "46145359e8c7561577e33dc90f3eb5e132d48202f67706e6e606bc18df24" "6fb8adc8d5b67829049e1d614a82d9d688186189ec39374b93ccc7b291a4" "cf6c1e5d0aa638428e2f765dda4397d5e9b0e29706b50803093d49f84eab" "1e364e009e7205c8747461988719dd3b28945aafa1034f747c9fcd2e7fe8" "c48f299587034ecfbeadb13a82e5a7505f4eb1beb72feaae8b342982fd63" "eb93cc9f66b772a1e01bc6aa20a9e2eedadb4202e939b0cc34d4d6f6d530" "0e7e29ef0a841a16bc76665b0a0807ac3e1adb3bf6ad674f349d17f82826" "af1f4febebb5f786af625c57bf37f5c74231ce5874cd2b53bfe82c8b051d" "8cf613e4cb0322bc600fe78d572a0d2d03e0f5e08b6c29576c871327cf87" "f0c968f9a54fcdb58e41cc52659ae5fc48bd98212c6c371e91dabab2e581" "79be16722b52777fd0c5f9db3d73179277bdd36971bdd9f224f12d1077a6" "779b3e52240aca0ef4ac8eea4b3baeea36ecbb936ae9f9ff470dd52d786d" "a3b74c3e05ee3be7e7511d8e83ffb920f7f99afc93dc102ee19d830fabd6" "b3c0a80a364140376d6a3917974ffbbbe3d01a96ba1da6e2266a943298fc" "fb68daebe117b4fed13619e9d6fbe8b90424493d46bb469ee7f2c3554ca0" "a0c0729055164fbde9051f96531722bfe5bf5d323a4c28ae4ce129acf719" "e1605be616f92ae88b8372f39bd580cf6cbd901d1a642d3082054106092a" "864886f70d010701a08205320482052e3082052a30820526060b2a864886" "f70d010c0a0102a08204ee308204ea301c060a2a864886f70d010c010330" "0e04085b3bf84b13079d0002020800048204c8194223d7a0c479fc2ee690" "d036228e05ac153a061b4cf3763afda35d3f7776ec67bbdf66edf3b9c813" "ce1e4cf5f748a1de513ddcb80830f060eedc2864927d8b53708d6cb7b5fc" "1da50066b60f6ab28e7566393ff667033dd11e2d6a580abec48ea8521f3e" "956f296cb24cc3484ddf341e7ad8b19d35f309ffc0b327aef552307107a8" "784882e1a4f4e1521a5037dc524907c67a93c4e58becf8dd4726893d7a1f" "1c6cca488af81d4fdb7c17156fd8b9dd5f7699b4186cca9d00b6dd25e3ba" "c09f12883fcd25fba6cfba0c6c4591500c88514cfa5c7073699975407da8" "4f7c760301c22b7d574dbe0aa121c41fc50d5f74d28664b9b1af3ab6d0ef" "854142d0e425cd42147e3eddedef0a8b43893466d58ac4568504b25beba5" "9592a5af146b0769d30f523f328e54ed69e9e0499fb88d3cdfebeeb0f304" "cc332f63c453f078f4ef960625e6f5ccaa2b9d8c71eaf5aedd0592cbf88f" "8cdfce6ed4dcf77b8cdf90c08f196222d93116ddb18a3ebc0dba8a06af14" "39657f1a0f832cac6a11351fce714c2a4b637e6930709b10f7f1a470258b" "5153a5c7719a34565352c48e72ee5477bebb0a2630a7d36f1b8fca6079e3" "cdabcf7ca0ce5ea10dfb13ce9b7815073b86dec4d758f2fa17cff3df5252" "50a76ea9023cee3a920f8f95b965795c3d1ce2bd59e9d66280443eed94ff" "01a042fbe21ebdbd77396edd94216cea47fcc24a5c46a6b31af99b2e4134" "eb27030cfe98ec97b32a358ab594a2eda3f98843da4e009c21b02c27caec" "a657cf39d04034fc21fd31f4c2ddcb69561ce6d1eb69448cb213f6d4896c" "b47de1dd1d0421ce28b5fe501af3abab42ff9f2baf8e43b385b01db37df6" "818a6e216b78579ef14dc91074f7f882292f934ec7ffa8d71b908a11ac77" "5372d215453beb3f10944e3da8b5ecd23be2cc9d93e08bf32357f92082e5" "40c3a170f10ec399ab75a34ff239832c338fe944f48d9645560d947823d8" "285d18210870fcdbab6b20b253c9ad5a77804f786c06923dbc74bd195035" "0b130dc85aa0b1d50a3a9947c18631d0c7e62fca02948197801dae422059" "d078182c1d2e53d44be5e438ef0ebc6ff4943eb28c3701b2202f15841e96" "edc9499437f47e2bf82c290049bdeec637092bcca2580c3d7b18025c9659" "f8bb5f141c50ee2c79dd7696a7c3f55b47d62cf9bdd1345be022957e51cd" "e17133797c4826c424f0d163a1af905e12788f016e4cfce8d57ed5512abf" "41fe303a1b93f6dd18455a983156d59bc2bcdda69aea0fa2d2c3f54d5ac9" "2a1ca9130106e345611c4f29796798a1f4996f3d5a3fbee6c14efe8e2f34" "395ac7bbc3d4c5b484a0146218b1165def63c14b52cf88492bc3228b8da1" "ae63bc904feab3a766b2867115c9d8a5ab26ea4344909e64c94eb7aef913" "d694cd65fed02312341aa89774668bd7e302c8b377432807ccb184407196" "b954fc86607ee5ab6bba9741955d61b8a4317971701512a1160186e5e89d" "9b1217314a4a8632e7f3372f43b61cddff07e72f17b7d356a14cf18c6e59" "5d9e4b3b449fbd26fb2795807ca4a5576621d803d2b0ff032d5a3c14cc3b" "c261062844d015c9283d20414dc71e0a8bbf2a94c67b915a03edee764bdd" "5c03e72d8cc0c66a33124aaaf777b6e58089b9e0b838eb396b828352d460" "3023715ab2b87878d9f206210bddad1b7b701f36de4173eb1ec553e19908" "e188b38dbd0ff3692d13894c943125302306092a864886f70d0109153116" "041433d43dfd9efcdf7b8d8708b8cee57e9d59896bb83031302130090605" "2b0e03021a05000414c5febe88e845ea6e974e04fc48434b2c063adc2e04" "08e31d2b0bdc35a19302020800", // backup.pub.p12 @"30820a31020103308209f706092a864886f70d010701a08209e8048209e4" "308209e03082049706092a864886f70d010706a082048830820484020100" "3082047d06092a864886f70d010701301c060a2a864886f70d010c010630" "0e04085d4c303f4024c4ac02020800808204503c4cacf46cae0d5dfc7ead" "39046850063e536759df5e2cb48c9ecad20c50aa600f3e5a29bd8df7ae53" "5a7379df01fedba23141ccc776a05e621193dfea53cf01b8297cbc895d64" "ad6b87208b59e58a70a0919e746402eb47acce65ce2b3368b44b0186a57f" "adc81a55bd886e20ecad6f30d10b5f69193e603eb508636209c682f740b7" "2f4f97f50ce157c42769f07d9d0d5c7eea2864c5fcf9b47165810c42afbd" "82c4537742eaa15069af7acca7585f041bb54f97d37eb11b5ded9077e98c" "b5fad12f6a5b91b4a1d201d1da7b41d2c457ced09bec8d33576bdb6ee1a3" "aaf2b5de9c19ec97616adea7c29cf8aa7be5fda07a9adfde4343195f5fcd" "f65154453753fd298c52ccf0f469068fa404d1faed762664ac02c35fc4da" "8a015cd00369fcb3e8b58ff4e292dbfdcea3469469d46abc06ff99360b5b" "993b1330a21f051c384932b3221b63b71278bb1c642ad47027df4fddc8fe" "19231d7d3759c08d1b4decfbc85f08a6273a9820e12d5e0f23e7c1517aea" "d6afcbe3f14339c948bed6ecc9a6c7816710186ac1daabc66e6d5caf909a" "6e2c240b8ddc85275084fafd8be781b2d99adc411bfb110d0118d32a5482" "d4b34c8ec833edfc0f27b8275b8785b5584277c87ca00ce9c339c8a64dfe" "e6e0bc43d088d5974f81f4c72ab13a2b8e6bcfe8276e6b8aac0f626deb8c" "d835f6ba6c27184cf311f75521f873dd4ebce72c99aa096db377a5120791" "811e8ec816ebc313ea07112d7041bd6f0b86d39ba0acd15fac86ea49e22f" "da1a743376250e89b33b9608e10d76b91ab05934748a0551bc18c0416252" "79adea084833de8e9666757e901b9595a7ebb2e321f67efb6b728c62b3f3" "6709ce491d33a6cb4ff53af08b0a33390959ae4f5b251a455ff2f13d8c96" "ee1b7bc9c0711a28fcf052429c6db413e14bb4d850b42972880d6951d237" "0de0123a29a0d13594e99ed602ab5b369542956d5e07392785fd7af7e91d" "f9646f58591bb98d3b5efc3aebd3b4cac45285e4f99ac316d011d15072cc" "4aa75a8fcf79ef1df10a4b8cad87d4aafc70a73ec77bd4a42eeef898a600" "16b0cfcd5ee79d0c02992d0953fb779cb0818e78f14001931ab2b74c06cf" "3299fcd68cbf29da5324e9741ac39fd3c66555d1311948ea8ed93406ff04" "b59de5c56673221f04863058d429b0411762b8dfe5b0c46dd678fc32b9a0" "1b54bdcf02508a78044fd1884cff43224b94c2bef3db0ae7a82f58f6ecf4" "a62bbdebe7c3deddc4801a67604c7dc390d9b9f7e398942209a4cfca3e68" "a81a797f82e1bb7b4a6105be6e7772c6f875a1c4bc6a50aca6f9f911c8d8" "9dd8c8134203e44fc82901d4078262037d447ac0fb3166512cdb1877fea0" "6193349d10acc5b6af7462a811adfe78ce2899eccad87f10f4ecb0c9d97b" "12daee1c350b9729c9abc145860e192f406e0cf80db45b03386b91fe9d8e" "028af7891b3681b5ff79cc3696e40211bc3692d85624e697205dd8611f80" "0920956b9b814e9a89184e3d80b60a94e424fc1aba581b399e817925cdf7" "97bcc845243bde101f87675cd03082054106092a864886f70d010701a082" "05320482052e3082052a30820526060b2a864886f70d010c0a0102a08204" "ee308204ea301c060a2a864886f70d010c0103300e04080a30e62339817c" "0302020800048204c8f0f4b8734e85c4b2763da2baa5e74dae7f5f7a26a4" "67dbd1cd36ccbfa49ab525866e8a0a6d099964250a187bebf4767870bb4b" "7b5d3147af7c86be232377f00888d992e21572fa9238284931b39fd349a7" "69ef7485e334408ac45b73017a65c08813d72b1a1d6bf6e2271793a58021" "5639e3280520396ba298e4716a1dcf6853ec02f4236f2c3eac0743cc908e" "01738ef62d4ed2dcb4264227c446cc7dc093a64345ad9cdc11d3aca666a8" "91d8c345be73308ab4012194325df439facd71abbc7a0aeaae4c60c90b0f" "8457b209dd1deb76709b860314dae14720d7e152091bc8dd04ea7af96785" "024194ce868299720065b8520a94d2bb5db1b3353687cb62bedf4ee4d7b9" "39c81b4cc6be37695f8228a9c0ce40b2603d05978748e772d5b40268993a" "9d2e5521c3a79e203b4065d89b049ced139be6549601100138ee3968542e" "2fd52e8307591ec5a825658a320f7e39a69566a30be654d4ec592d774002" "6410c3f8215bf2ee373c5af3e55841785366f8f9b55ffbe5f511d71c8f26" "4a2ee960fc017a7afbb8564b7510aeb5c3ec05b1250731af167a605897c0" "368776a1ce36664719e0afd10fc22580a1d170a5f852b8d3a0e9fbe80f76" "1cc40e449ffd936d963e5f95ff9b13cba96249f98711510490a5701a2f79" "ba13e1e26dcd85704ac88c46e2c17e69c79cad76380f7d1e35dc752dae06" "0ed8c42d2cfbbaf5fd23c19ea82ffe333d067eec52a12a83cbec72914dfe" "a31ca9e35c715939e2362805a6cd12798bd035a20c4a504c8cc652a3010f" "35c929f24c0fc2b3fca50fbfdd7cd6456f635e80c701651d0085eef132e5" "fd9c8089ed7ce4193a8a8d5ea80d332f258aa7b110a6ef94b69a96fef5c9" "4ac4f4dd6c1eff6564e7bb5cbfe818acd80b5b2d7ade528accfe69905ffc" "1a467e65dec4fc8c04063e3634197daff410e2dc92a6411bad3e1235a6cd" "5579ea8a1101222d7da3bd6995b609a2b25a1a93782f597e5e938e7623a9" "3e448d06e2db34444f476929e9a50d425285b619733d9797249d1b035634" "8afde198052fef79691571289da371bafb56e3750bd500dd1e3a424433af" "ab44656ccd5dedb7ec8c2c970e7774495a06ceb072519360addae38aceac" "4f27fcf117c9f527efac193625a4c5916f51e557fed555c0678cc93cc018" "134e0edb283a71ee50237a9bb150759169fcbd7b24a75c3493a6b4194c5b" "8cd79da37ebef2a63bc2ac9b9b75502fc0b43cdd6f942e4943804dc0ed0f" "b4c7b101c5d5aee4f6e0a18398b35bf25c69b598e1244cc722defb5878a3" "b3b6ea797341615cae10239736d94a63497debccc54fe2cc7a5f8d15efa2" "f65df4fe91ffab81072f545e41dbf4c8d7f273d608e492c1c5a32268bf82" "ed51acd729c2121027a6de1903ce4b23c13ad548647c6836ee7788918124" "7660c55a9825babd3f086ebede5c4725618178bb0db5d17d594cabed63b6" "83e6a500d8a6ee8b2ac287213d6710579db444730c0d9fe24649c368bce5" "ac1e61b3ca854c1da6b9ef47d4886c6b4a1c840d644eac8d2bc1ea8f443c" "83239d351e1fdd3ba6338a94920b382161b4519da6b6dd3ce717b24f96f4" "acddf70a241be2ef1e964bd83c0eac927d5ccb503b5f9a06850b1f532d23" "d6c82a4fba847d7e867bae4b950d7760e941664526e9b8f4dd98907d90ef" "a2e8d35f8cb4294b642a29af61b5534a540befa5e71562e8efdda232fde7" "fb6c963125302306092a864886f70d010915311604142942010915a82174" "5e3f65fd1a7b0e1daaf6d56930313021300906052b0e03021a050004143c" "0c50131fbfdf668827900dc7c8ca72a38609a70408d50691caa0a421c902" "020800" ]; #pragma clang diagnostic pop NSMutableArray *array = [NSMutableArray array]; for (NSString* hexKey in hexKeys) { NSData *data = [BNCEncodingUtils dataFromHexString:hexKey]; if (data) { SecKeyRef secKey = [self publicSecKeyFromPKCS12CertChainData:data]; if (secKey) [array addObject:(__bridge_transfer id)secKey]; } } return array; } + (SecKeyRef) publicSecKeyFromPKCS12CertChainData:(NSData*)keyData { OSStatus status = errSecSuccess; NSArray *items = nil; SecKeyRef secKey = NULL; SecTrustResultType trustType = kSecTrustResultInvalid; // Release these CFArrayRef itemsRef = NULL; NSDictionary *options = @{ (id)kSecImportExportPassphrase: @"", }; if (!keyData) { goto exit; } status = SecPKCS12Import((CFDataRef) keyData, (CFDictionaryRef)options, &itemsRef); if (status != errSecSuccess || !itemsRef || CFArrayGetCount(itemsRef) == 0) goto exit; items = (__bridge NSArray*) itemsRef; SecTrustRef trust = (__bridge SecTrustRef)(items[0][(id)kSecImportItemTrust]); if (!trust) goto exit; status = SecTrustEvaluate(trust, &trustType); if (trustType != kSecTrustResultInvalid) { secKey = SecTrustCopyPublicKey(trust); } else { status = errSecDecode; } exit: if (secKey == NULL && status == errSecSuccess) { status = errSecItemNotFound; } if (status != errSecSuccess) { NSError *error = [NSError errorWithDomain:NSOSStatusErrorDomain code:status userInfo:nil]; BNCLogError(@"Can't import public key from pkcs12 data: %@.", error); } if (itemsRef) CFRelease(itemsRef); return secKey; } #pragma mark - GET methods - (void)getRequest:(NSDictionary *)params url:(NSString *)url key:(NSString *)key callback:(BNCServerCallback)callback { [self getRequest:params url:url key:key retryNumber:0 callback:callback]; } - (void)getRequest:(NSDictionary *)params url:(NSString *)url key:(NSString *)key retryNumber:(NSInteger)retryNumber callback:(BNCServerCallback)callback { NSURLRequest *request = [self prepareGetRequest:params url:url key:key retryNumber:retryNumber]; [self genericHTTPRequest:request retryNumber:retryNumber callback:callback retryHandler:^NSURLRequest *(NSInteger lastRetryNumber) { return [self prepareGetRequest:params url:url key:key retryNumber:++lastRetryNumber]; }]; } #pragma mark - POST methods - (void)postRequest:(NSDictionary *)post url:(NSString *)url key:(NSString *)key callback:(BNCServerCallback)callback { [self postRequest:post url:url retryNumber:0 key:key callback:callback]; } - (BOOL) isV2APIURL:(NSString*)urlstring { NSRange range = [urlstring rangeOfString:@"branch.io/v2/"]; return (range.location != NSNotFound); } - (void)postRequest:(NSDictionary *)post url:(NSString *)url retryNumber:(NSInteger)retryNumber key:(NSString *)key callback:(BNCServerCallback)callback { NSMutableDictionary *extendedParams = nil; if ([self isV2APIURL:url]) { extendedParams = [NSMutableDictionary new]; if (post) [extendedParams addEntriesFromDictionary:post]; NSDictionary *d = [[BNCDeviceInfo getInstance] v2dictionary]; if (d.count) extendedParams[@"user_data"] = d; } else { extendedParams = [self updateDeviceInfoToParams:post]; } NSURLRequest *request = [self preparePostRequest:extendedParams url:url key:key retryNumber:retryNumber]; // Instrumentation metrics self.requestEndpoint = [self.preferenceHelper getEndpointFromURL:url]; [self genericHTTPRequest:request retryNumber:retryNumber callback:callback retryHandler:^ NSURLRequest *(NSInteger lastRetryNumber) { return [self preparePostRequest:extendedParams url:url key:key retryNumber:++lastRetryNumber]; }]; } - (BNCServerResponse *)postRequestSynchronous:(NSDictionary *)post url:(NSString *)url key:(NSString *)key { NSDictionary *extendedParams = [self updateDeviceInfoToParams:post]; NSURLRequest *request = [self preparePostRequest:extendedParams url:url key:key retryNumber:0]; return [self genericHTTPRequestSynchronous:request]; } #pragma mark - Generic requests - (void)genericHTTPRequest:(NSURLRequest *)request callback:(BNCServerCallback)callback { [self genericHTTPRequest:request retryNumber:0 callback:callback retryHandler:^NSURLRequest *(NSInteger lastRetryNumber) { return request; }]; } - (void)genericHTTPRequest:(NSURLRequest *)request retryNumber:(NSInteger)retryNumber callback:(BNCServerCallback)callback retryHandler:(NSURLRequest *(^)(NSInteger))retryHandler { void (^completionHandler)(idoperation) = ^void (idoperation) { BNCServerResponse *serverResponse = [self processServerResponse:operation.response data:operation.responseData error:operation.error]; [self collectInstrumentationMetricsWithOperation:operation]; NSError *underlyingError = operation.error; NSInteger status = [serverResponse.statusCode integerValue]; // If the phone is in a poor network condition, // iOS will return statuses such as -1001, -1003, -1200, -9806 // indicating various parts of the HTTP post failed. // We should retry in those conditions in addition to the case where the server returns a 500 BOOL isRetryableStatusCode = status >= 500 || status < 0; // Retry the request if appropriate if (retryNumber < self.preferenceHelper.retryCount && isRetryableStatusCode) { dispatch_time_t dispatchTime = dispatch_time(DISPATCH_TIME_NOW, self.preferenceHelper.retryInterval * NSEC_PER_SEC); dispatch_after(dispatchTime, dispatch_get_main_queue(), ^{ BNCLogDebug(@"Retrying request with url %@", request.URL.relativePath); // Create the next request NSURLRequest *retryRequest = retryHandler(retryNumber); [self genericHTTPRequest:retryRequest retryNumber:(retryNumber + 1) callback:callback retryHandler:retryHandler]; }); // Do not continue on if retrying, else the callback will be called incorrectly return; } NSError *branchError = nil; // Wrap up bad statuses w/ specific error messages if (status >= 500) { branchError = [NSError branchErrorWithCode:BNCServerProblemError error:underlyingError]; } else if (status == 409) { branchError = [NSError branchErrorWithCode:BNCDuplicateResourceError error:underlyingError]; } else if (status >= 400) { NSString *errorString = [serverResponse.data objectForKey:@"error"]; if (![errorString isKindOfClass:[NSString class]]) errorString = nil; if (!errorString) errorString = underlyingError.localizedDescription; if (!errorString) errorString = BNCLocalizedString(@"The request was invalid."); branchError = [NSError branchErrorWithCode:BNCBadRequestError localizedMessage:errorString]; } else if (underlyingError) { branchError = [NSError branchErrorWithCode:BNCServerProblemError error:underlyingError]; } if (branchError) { BNCLogError(@"An error prevented request to %@ from completing: %@", request.URL.absoluteString, branchError); } // Don't call on the main queue since it might be blocked. if (callback) callback(serverResponse, branchError); }; id operation = [self.networkService networkOperationWithURLRequest:request.copy completion:completionHandler]; [operation start]; NSError *error = [self verifyNetworkOperation:operation]; if (error) { BNCLogError(@"Network service error: %@.", error); if (callback) { callback(nil, error); } return; } } - (NSError*) verifyNetworkOperation:(id)operation { if (!operation) { NSString *message = BNCLocalizedString( @"A network operation instance is expected to be returned by the" " networkOperationWithURLRequest:completion: method." ); NSError *error = [NSError branchErrorWithCode:BNCNetworkServiceInterfaceError localizedMessage:message]; return error; } if (![operation conformsToProtocol:@protocol(BNCNetworkOperationProtocol)]) { NSString *message = BNCLocalizedFormattedString( @"Network operation of class '%@' does not conform to the BNCNetworkOperationProtocol.", NSStringFromClass([operation class])); NSError *error = [NSError branchErrorWithCode:BNCNetworkServiceInterfaceError localizedMessage:message]; return error; } if (!operation.startDate) { NSString *message = BNCLocalizedString( @"The network operation start date is not set. The Branch SDK expects the network operation" " start date to be set by the network provider." ); NSError *error = [NSError branchErrorWithCode:BNCNetworkServiceInterfaceError localizedMessage:message]; return error; } if (!operation.timeoutDate) { NSString*message = BNCLocalizedString( @"The network operation timeout date is not set. The Branch SDK expects the network operation" " timeout date to be set by the network provider." ); NSError *error = [NSError branchErrorWithCode:BNCNetworkServiceInterfaceError localizedMessage:message]; return error; } if (!operation.request) { NSString *message = BNCLocalizedString( @"The network operation request is not set. The Branch SDK expects the network operation" " request to be set by the network provider." ); NSError *error = [NSError branchErrorWithCode:BNCNetworkServiceInterfaceError localizedMessage:message]; return error; } return nil; } - (BNCServerResponse *)genericHTTPRequestSynchronous:(NSURLRequest *)request { __block BNCServerResponse *serverResponse = nil; dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); id operation = [self.networkService networkOperationWithURLRequest:request.copy completion:^void (idoperation) { serverResponse = [self processServerResponse:operation.response data:operation.responseData error:operation.error]; [self collectInstrumentationMetricsWithOperation:operation]; dispatch_semaphore_signal(semaphore); }]; [operation start]; NSError *error = [self verifyNetworkOperation:operation]; if (!error) { dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER); } return serverResponse; } #pragma mark - Internals - (NSURLRequest *)prepareGetRequest:(NSDictionary *)params url:(NSString *)url key:(NSString *)key retryNumber:(NSInteger)retryNumber { NSDictionary *preparedParams = [self prepareParamDict:params key:key retryNumber:retryNumber requestType:@"GET"]; NSString *requestUrlString = [NSString stringWithFormat:@"%@%@", url, [BNCEncodingUtils encodeDictionaryToQueryString:preparedParams]]; BNCLogDebug(@"URL: %@", requestUrlString); NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:requestUrlString] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:self.preferenceHelper.timeout]; [request setHTTPMethod:@"GET"]; [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"]; return request; } - (NSURLRequest *)preparePostRequest:(NSDictionary *)params url:(NSString *)url key:(NSString *)key retryNumber:(NSInteger)retryNumber { NSMutableDictionary *preparedParams = [self prepareParamDict:params key:key retryNumber:retryNumber requestType:@"POST"]; if ([self isV2APIURL:url]) { preparedParams[@"sdk"] = nil; } NSData *postData = [BNCEncodingUtils encodeDictionaryToJsonData:preparedParams]; NSString *postLength = [NSString stringWithFormat:@"%lu", (unsigned long)[postData length]]; BNCLogDebug(@"URL: %@.", url); BNCLogDebug(@"Body: %@\nJSON: %@.", preparedParams, [[NSString alloc] initWithData:postData encoding:NSUTF8StringEncoding] ); NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:self.preferenceHelper.timeout]; [request setHTTPMethod:@"POST"]; [request setValue:postLength forHTTPHeaderField:@"Content-Length"]; [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"]; [request setHTTPBody:postData]; return request; } - (NSMutableDictionary *)prepareParamDict:(NSDictionary *)params key:(NSString *)key retryNumber:(NSInteger)retryNumber requestType:(NSString *)reqType { NSMutableDictionary *fullParamDict = [[NSMutableDictionary alloc] init]; [fullParamDict bnc_safeAddEntriesFromDictionary:params]; fullParamDict[@"sdk"] = [NSString stringWithFormat:@"ios%@", BNC_SDK_VERSION]; // using rangeOfString instead of containsString to support devices running pre iOS 8 if ([[[NSBundle mainBundle] executablePath] rangeOfString:@".appex/"].location != NSNotFound) { fullParamDict[@"ios_extension"] = @(1); } fullParamDict[@"retryNumber"] = @(retryNumber); fullParamDict[@"branch_key"] = key; NSMutableDictionary *metadata = [[NSMutableDictionary alloc] init]; [metadata bnc_safeAddEntriesFromDictionary:self.preferenceHelper.requestMetadataDictionary]; [metadata bnc_safeAddEntriesFromDictionary:fullParamDict[BRANCH_REQUEST_KEY_STATE]]; if (metadata.count) { fullParamDict[BRANCH_REQUEST_KEY_STATE] = metadata; } // we only send instrumentation info in the POST body request if (self.preferenceHelper.instrumentationDictionary.count && [reqType isEqualToString:@"POST"]) { fullParamDict[BRANCH_REQUEST_KEY_INSTRUMENTATION] = self.preferenceHelper.instrumentationDictionary; } return fullParamDict; } - (BNCServerResponse *)processServerResponse:(NSURLResponse *)response data:(NSData *)data error:(NSError *)error { BNCServerResponse *serverResponse = [[BNCServerResponse alloc] init]; if (!error) { serverResponse.statusCode = @([(NSHTTPURLResponse *)response statusCode]); serverResponse.data = [BNCEncodingUtils decodeJsonDataToDictionary:data]; } else { serverResponse.statusCode = @(error.code); serverResponse.data = error.userInfo; } BNCLogDebug(@"Server returned: %@.", serverResponse); return serverResponse; } - (void) collectInstrumentationMetricsWithOperation:(id)operation { // multiplying by negative because startTime happened in the past NSTimeInterval elapsedTime = [operation.startDate timeIntervalSinceNow] * -1000.0; NSString *lastRoundTripTime = [[NSNumber numberWithDouble:floor(elapsedTime)] stringValue]; NSString * brttKey = [NSString stringWithFormat:@"%@-brtt", self.requestEndpoint]; [self.preferenceHelper clearInstrumentationDictionary]; [self.preferenceHelper addInstrumentationDictionaryKey:brttKey value:lastRoundTripTime]; } - (void)updateDeviceInfoToMutableDictionary:(NSMutableDictionary *)dict { BNCDeviceInfo *deviceInfo = [BNCDeviceInfo getInstance]; NSString *hardwareId = [deviceInfo.hardwareId copy]; NSString *hardwareIdType = [deviceInfo.hardwareIdType copy]; NSNumber *isRealHardwareId = @(deviceInfo.isRealHardwareId); if (hardwareId && hardwareIdType && isRealHardwareId) { dict[BRANCH_REQUEST_KEY_HARDWARE_ID] = hardwareId; dict[BRANCH_REQUEST_KEY_HARDWARE_ID_TYPE] = hardwareIdType; dict[BRANCH_REQUEST_KEY_IS_HARDWARE_ID_REAL] = isRealHardwareId; } [self safeSetValue:deviceInfo.vendorId forKey:BRANCH_REQUEST_KEY_IOS_VENDOR_ID onDict:dict]; [self safeSetValue:deviceInfo.brandName forKey:BRANCH_REQUEST_KEY_BRAND onDict:dict]; [self safeSetValue:deviceInfo.modelName forKey:BRANCH_REQUEST_KEY_MODEL onDict:dict]; [self safeSetValue:deviceInfo.osName forKey:BRANCH_REQUEST_KEY_OS onDict:dict]; [self safeSetValue:deviceInfo.osVersion forKey:BRANCH_REQUEST_KEY_OS_VERSION onDict:dict]; [self safeSetValue:deviceInfo.screenWidth forKey:BRANCH_REQUEST_KEY_SCREEN_WIDTH onDict:dict]; [self safeSetValue:deviceInfo.screenHeight forKey:BRANCH_REQUEST_KEY_SCREEN_HEIGHT onDict:dict]; [self safeSetValue:deviceInfo.browserUserAgent forKey:@"user_agent" onDict:dict]; [self safeSetValue:deviceInfo.country forKey:@"country" onDict:dict]; [self safeSetValue:deviceInfo.language forKey:@"language" onDict:dict]; dict[@"local_ip"] = deviceInfo.localIPAddress; dict[BRANCH_REQUEST_KEY_AD_TRACKING_ENABLED] = @(deviceInfo.isAdTrackingEnabled); } - (NSMutableDictionary*)updateDeviceInfoToParams:(NSDictionary *)params { NSMutableDictionary *extendedParams=[[NSMutableDictionary alloc] init]; [extendedParams addEntriesFromDictionary:params]; [self updateDeviceInfoToMutableDictionary:extendedParams]; return extendedParams; } - (void)safeSetValue:(NSObject *)value forKey:(NSString *)key onDict:(NSMutableDictionary *)dict { if (value) { dict[key] = value; } } @end