package openrtb_ext import ( "bytes" "encoding/json" "errors" "fmt" "os" "path/filepath" "strings" "github.com/xeipuuv/gojsonschema" ) // BidderName refers to a core bidder id or an alias id. type BidderName string var aliasBidderToParent map[BidderName]BidderName = map[BidderName]BidderName{} var coreBidderNames []BidderName = []BidderName{ Bidder33Across, BidderAax, BidderAceex, BidderAcuityAds, BidderAdagio, BidderAdelement, BidderAdf, BidderAdgeneration, BidderAdhese, BidderAdkernel, BidderAdkernelAdn, BidderAdman, BidderAdmatic, BidderAdmixer, BidderAdnuntius, BidderAdot, BidderAdpone, BidderAdprime, BidderAdquery, BidderAdrino, BidderAdtarget, BidderAdtrgtme, BidderAdtelligent, BidderAdTonos, BidderAdUpTech, BidderAdvangelists, BidderAdverxo, BidderAdView, BidderAdxcg, BidderAdyoulike, BidderAfront, BidderAidem, BidderAJA, BidderAkcelo, BidderAlgorix, BidderAlkimi, BidderAllianceGravity, BidderAMX, BidderApacdex, BidderAppnexus, BidderAppush, BidderAso, BidderAudienceNetwork, BidderAutomatad, BidderAvocet, BidderAxis, BidderAxonix, BidderBeachfront, BidderBeintoo, BidderBematterfull, BidderBeop, BidderBetween, BidderBeyondMedia, BidderBidmachine, BidderBidmatic, BidderBidmyadz, BidderBidsCube, BidderBidstack, BidderBidtheatre, BidderBigoAd, BidderBlasto, BidderBliink, BidderBlis, BidderBlue, BidderBluesea, BidderBmtm, BidderBoldwin, BidderBoldwinRapid, BidderBrave, BidderBWX, BidderCadentApertureMX, BidderCcx, BidderClydo, BidderCointraffic, BidderCoinzilla, BidderColossus, BidderCompass, BidderConcert, BidderConnatix, BidderConnectAd, BidderConsumable, BidderContxtful, BidderConversant, BidderCopper6ssp, BidderCpmstar, BidderCriteo, BidderCWire, BidderDatablocks, BidderDecenterAds, BidderDeepintent, BidderDefinemedia, BidderDianomi, BidderDisplayio, BidderEdge226, BidderDmx, BidderDriftPixel, BidderElementalTV, BidderEmtv, BidderEmxDigital, BidderEPlanning, BidderEpom, BidderEscalax, BidderEVolution, BidderExco, BidderFeedAd, BidderFlatads, BidderFlipp, BidderFreewheelSSP, BidderFWSSP, BidderFRVRAdNetwork, BidderGamma, BidderGamoshi, BidderGlobalsun, BidderGoldbach, BidderGrid, BidderGumGum, BidderHuaweiAds, BidderImds, BidderImpactify, BidderImprovedigital, BidderInfyTV, BidderInMobi, BidderInsticator, BidderIntenze, BidderInteractiveoffers, BidderInvibes, BidderIQX, BidderIQZone, BidderIx, BidderJixie, BidderKargo, BidderKayzen, BidderKidoz, BidderKiviads, BidderLmKiviads, BidderKobler, BidderKrushmedia, BidderKueezRTB, BidderLemmadigital, BidderLimelightDigital, BidderLockerDome, BidderLogan, BidderLogicad, BidderLoopme, BidderLoyal, BidderLunaMedia, BidderMabidder, BidderMadSense, BidderMadvertise, BidderMarsmedia, BidderMediafuse, BidderMediaGo, BidderMedianet, BidderMediasquare, BidderMeloZen, BidderMetaX, BidderMgid, BidderMgidX, BidderMicrosoft, BidderMinuteMedia, BidderMissena, BidderMobfoxpb, BidderMobileFuse, BidderMobkoi, BidderMotorik, BidderNativery, BidderNativo, BidderNextMillennium, BidderNexx360, BidderNoBid, BidderOgury, BidderOms, BidderOneTag, BidderOpenWeb, BidderOpenx, BidderOperaads, BidderOptidigital, BidderOraki, BidderOrbidder, BidderOutbrain, BidderOwnAdx, BidderPangle, BidderPGAMSsp, BidderPlaydigo, BidderPubmatic, BidderPubrise, BidderPubnative, BidderPulsepoint, BidderPWBid, BidderQT, BidderReadpeak, BidderRediads, BidderRelevantDigital, BidderResetDigital, BidderRevcontent, BidderRichaudience, BidderRise, BidderRoulax, BidderRTBHouse, BidderRubicon, BidderSeedingAlliance, BidderSeedtag, BidderSaLunaMedia, BidderSharethrough, BidderShowheroes, BidderSilverMob, BidderSilverPush, BidderSmaato, BidderSmartAdserver, BidderSmartHub, BidderSmartRTB, BidderSmartx, BidderSmartyAds, BidderSmileWanted, BidderSmoot, BidderSmrtconnect, BidderSonobi, BidderSovrn, BidderSovrnXsp, BidderSparteo, BidderSspBC, BidderStartIO, BidderStroeerCore, BidderTaboola, BidderTappx, BidderTeads, BidderTelaria, BidderTeqBlaze, BidderTheadx, BidderTheTradeDesk, BidderTpmn, BidderTradPlus, BidderTrafficGate, BidderTriplelift, BidderTripleliftNative, BidderTrustedstack, BidderTrustX, BidderUcfunnel, BidderUndertone, BidderUnicorn, BidderUnruly, BidderVidazoo, BidderVideoByte, BidderVideoHeroes, BidderVidoomy, BidderVisibleMeasures, BidderVisx, BidderVox, BidderVrtcal, BidderVungle, BidderXeworks, BidderYahooAds, BidderYandex, BidderYeahmobi, BidderYieldlab, BidderYieldmo, BidderYieldone, BidderZentotem, BidderZeroClickFraud, BidderZetaGlobalSsp, BidderZmaticoo, } func GetAliasBidderToParent() map[BidderName]BidderName { return aliasBidderToParent } func SetAliasBidderName(aliasBidderName string, parentBidderName BidderName) error { if IsBidderNameReserved(aliasBidderName) { return fmt.Errorf("alias %s is a reserved bidder name and cannot be used", aliasBidderName) } aliasBidder := BidderName(aliasBidderName) coreBidderNames = append(coreBidderNames, aliasBidder) aliasBidderToParent[aliasBidder] = parentBidderName bidderNameLookup[strings.ToLower(aliasBidderName)] = aliasBidder return nil } func (name *BidderName) String() string { if name == nil { return "" } return string(*name) } // Names of reserved bidders. These names may not be used by a core bidder or alias. const ( BidderReservedAll BidderName = "all" // Reserved for the /info/bidders/all endpoint. BidderReservedContext BidderName = "context" // Reserved for first party data. BidderReservedData BidderName = "data" // Reserved for first party data. BidderReservedGeneral BidderName = "general" // Reserved for non-bidder specific messages when using a map keyed on the bidder name. BidderReservedGPID BidderName = "gpid" // Reserved for Global Placement ID (GPID). BidderReservedPrebid BidderName = "prebid" // Reserved for Prebid Server configuration. BidderReservedSKAdN BidderName = "skadn" // Reserved for Apple's SKAdNetwork OpenRTB extension. BidderReservedTID BidderName = "tid" // Reserved for Per-Impression Transactions IDs for Multi-Impression Bid Requests. BidderReservedAE BidderName = "ae" // Reserved for PAAPI Auction Environment. BidderReservedIGS BidderName = "igs" // Reserved for PAAPI Interest Group Seller object. ) // IsBidderNameReserved returns true if the specified name is a case insensitive match for a reserved bidder name. func IsBidderNameReserved(name string) bool { if strings.EqualFold(name, string(BidderReservedAll)) { return true } if strings.EqualFold(name, string(BidderReservedContext)) { return true } if strings.EqualFold(name, string(BidderReservedData)) { return true } if strings.EqualFold(name, string(BidderReservedGeneral)) { return true } if strings.EqualFold(name, string(BidderReservedGPID)) { return true } if strings.EqualFold(name, string(BidderReservedSKAdN)) { return true } if strings.EqualFold(name, string(BidderReservedPrebid)) { return true } if strings.EqualFold(name, string(BidderReservedTID)) { return true } if strings.EqualFold(name, string(BidderReservedAE)) { return true } if strings.EqualFold(name, string(BidderReservedIGS)) { return true } return false } // IsPotentialBidder returns true if the name is not reserved within the imp[].ext context func IsPotentialBidder(name string) bool { switch BidderName(name) { case BidderReservedContext: return false case BidderReservedData: return false case BidderReservedGPID: return false case BidderReservedPrebid: return false case BidderReservedSKAdN: return false case BidderReservedTID: return false case BidderReservedAE: return false case BidderReservedIGS: return false default: return true } } // Names of core bidders. These names *must* match the bidder code in Prebid.js if an adapter also exists in that // project. You may *not* use the name 'general' as that is reserved for general error messages nor 'context' as // that is reserved for first party data. // // Please keep this list alphabetized to minimize merge conflicts. const ( Bidder33Across BidderName = "33across" BidderAax BidderName = "aax" BidderAceex BidderName = "aceex" BidderAcuityAds BidderName = "acuityads" BidderAdagio BidderName = "adagio" BidderAdelement BidderName = "adelement" BidderAdf BidderName = "adf" BidderAdgeneration BidderName = "adgeneration" BidderAdhese BidderName = "adhese" BidderAdkernel BidderName = "adkernel" BidderAdkernelAdn BidderName = "adkernelAdn" BidderAdman BidderName = "adman" BidderAdmatic BidderName = "admatic" BidderAdmixer BidderName = "admixer" BidderAdnuntius BidderName = "adnuntius" BidderAdot BidderName = "adot" BidderAdpone BidderName = "adpone" BidderAdprime BidderName = "adprime" BidderAdquery BidderName = "adquery" BidderAdrino BidderName = "adrino" BidderAdtarget BidderName = "adtarget" BidderAdtrgtme BidderName = "adtrgtme" BidderAdTonos BidderName = "adtonos" BidderAdtelligent BidderName = "adtelligent" BidderAdUpTech BidderName = "aduptech" BidderAdvangelists BidderName = "advangelists" BidderAdverxo BidderName = "adverxo" BidderAdView BidderName = "adview" BidderAdxcg BidderName = "adxcg" BidderAdyoulike BidderName = "adyoulike" BidderAfront BidderName = "afront" BidderAidem BidderName = "aidem" BidderAJA BidderName = "aja" BidderAkcelo BidderName = "akcelo" BidderAlgorix BidderName = "algorix" BidderAlkimi BidderName = "alkimi" BidderAllianceGravity BidderName = "alliance_gravity" BidderAMX BidderName = "amx" BidderApacdex BidderName = "apacdex" BidderAppnexus BidderName = "appnexus" BidderAppush BidderName = "appush" BidderAso BidderName = "aso" BidderAudienceNetwork BidderName = "audienceNetwork" BidderAutomatad BidderName = "automatad" BidderAvocet BidderName = "avocet" BidderAxis BidderName = "axis" BidderAxonix BidderName = "axonix" BidderBeachfront BidderName = "beachfront" BidderBeintoo BidderName = "beintoo" BidderBematterfull BidderName = "bematterfull" BidderBeop BidderName = "beop" BidderBetween BidderName = "between" BidderBeyondMedia BidderName = "beyondmedia" BidderBidmachine BidderName = "bidmachine" BidderBidmatic BidderName = "bidmatic" BidderBidmyadz BidderName = "bidmyadz" BidderBidsCube BidderName = "bidscube" BidderBidstack BidderName = "bidstack" BidderBidtheatre BidderName = "bidtheatre" BidderBigoAd BidderName = "bigoad" BidderBlasto BidderName = "blasto" BidderBliink BidderName = "bliink" BidderBlis BidderName = "blis" BidderBlue BidderName = "blue" BidderBluesea BidderName = "bluesea" BidderBmtm BidderName = "bmtm" BidderBoldwin BidderName = "boldwin" BidderBoldwinRapid BidderName = "boldwin_rapid" BidderBrave BidderName = "brave" BidderBWX BidderName = "bwx" BidderCadentApertureMX BidderName = "cadent_aperture_mx" BidderCcx BidderName = "ccx" BidderClydo BidderName = "clydo" BidderCointraffic BidderName = "cointraffic" BidderCoinzilla BidderName = "coinzilla" BidderColossus BidderName = "colossus" BidderCompass BidderName = "compass" BidderConcert BidderName = "concert" BidderConnatix BidderName = "connatix" BidderConnectAd BidderName = "connectad" BidderConsumable BidderName = "consumable" BidderContxtful BidderName = "contxtful" BidderConversant BidderName = "conversant" BidderCopper6ssp BidderName = "copper6ssp" BidderCpmstar BidderName = "cpmstar" BidderCriteo BidderName = "criteo" BidderCWire BidderName = "cwire" BidderDatablocks BidderName = "datablocks" BidderDecenterAds BidderName = "decenterads" BidderDeepintent BidderName = "deepintent" BidderDefinemedia BidderName = "definemedia" BidderDianomi BidderName = "dianomi" BidderDisplayio BidderName = "displayio" BidderEdge226 BidderName = "edge226" BidderDmx BidderName = "dmx" BidderDriftPixel BidderName = "driftpixel" BidderElementalTV BidderName = "elementaltv" BidderEmtv BidderName = "emtv" BidderEmxDigital BidderName = "emx_digital" BidderEPlanning BidderName = "eplanning" BidderEpom BidderName = "epom" BidderEscalax BidderName = "escalax" BidderExco BidderName = "exco" BidderEVolution BidderName = "e_volution" BidderFeedAd BidderName = "feedad" BidderFlatads BidderName = "flatads" BidderFlipp BidderName = "flipp" BidderFreewheelSSP BidderName = "freewheelssp" BidderFWSSP BidderName = "fwssp" BidderFRVRAdNetwork BidderName = "frvradn" BidderGamma BidderName = "gamma" BidderGamoshi BidderName = "gamoshi" BidderGlobalsun BidderName = "globalsun" BidderGoldbach BidderName = "goldbach" BidderGrid BidderName = "grid" BidderGumGum BidderName = "gumgum" BidderHuaweiAds BidderName = "huaweiads" BidderImds BidderName = "imds" BidderImpactify BidderName = "impactify" BidderImprovedigital BidderName = "improvedigital" BidderInfyTV BidderName = "infytv" BidderInMobi BidderName = "inmobi" BidderInsticator BidderName = "insticator" BidderIntenze BidderName = "intenze" BidderInteractiveoffers BidderName = "interactiveoffers" BidderInvibes BidderName = "invibes" BidderIQX BidderName = "iqx" BidderIQZone BidderName = "iqzone" BidderIx BidderName = "ix" BidderJixie BidderName = "jixie" BidderKargo BidderName = "kargo" BidderKayzen BidderName = "kayzen" BidderKidoz BidderName = "kidoz" BidderKiviads BidderName = "kiviads" BidderLmKiviads BidderName = "lm_kiviads" BidderKobler BidderName = "kobler" BidderKrushmedia BidderName = "krushmedia" BidderKueezRTB BidderName = "kueezrtb" BidderLemmadigital BidderName = "lemmadigital" BidderLimelightDigital BidderName = "limelightDigital" BidderLockerDome BidderName = "lockerdome" BidderLogan BidderName = "logan" BidderLogicad BidderName = "logicad" BidderLoopme BidderName = "loopme" BidderLoyal BidderName = "loyal" BidderLunaMedia BidderName = "lunamedia" BidderMabidder BidderName = "mabidder" BidderMadSense BidderName = "madsense" BidderMadvertise BidderName = "madvertise" BidderMarsmedia BidderName = "marsmedia" BidderMediafuse BidderName = "mediafuse" BidderMediaGo BidderName = "mediago" BidderMedianet BidderName = "medianet" BidderMediasquare BidderName = "mediasquare" BidderMeloZen BidderName = "melozen" BidderMetaX BidderName = "metax" BidderMgid BidderName = "mgid" BidderMgidX BidderName = "mgidX" BidderMicrosoft BidderName = "msft" BidderMinuteMedia BidderName = "minutemedia" BidderMissena BidderName = "missena" BidderMobfoxpb BidderName = "mobfoxpb" BidderMobileFuse BidderName = "mobilefuse" BidderMobkoi BidderName = "mobkoi" BidderMotorik BidderName = "motorik" BidderNativery BidderName = "nativery" BidderNativo BidderName = "nativo" BidderNextMillennium BidderName = "nextmillennium" BidderNexx360 BidderName = "nexx360" BidderNoBid BidderName = "nobid" BidderOgury BidderName = "ogury" BidderOms BidderName = "oms" BidderOneTag BidderName = "onetag" BidderOpenWeb BidderName = "openweb" BidderOpenx BidderName = "openx" BidderOperaads BidderName = "operaads" BidderOptidigital BidderName = "optidigital" BidderOraki BidderName = "oraki" BidderOrbidder BidderName = "orbidder" BidderOutbrain BidderName = "outbrain" BidderOwnAdx BidderName = "ownadx" BidderPangle BidderName = "pangle" BidderPGAMSsp BidderName = "pgamssp" BidderPlaydigo BidderName = "playdigo" BidderPubmatic BidderName = "pubmatic" BidderPubrise BidderName = "pubrise" BidderPubnative BidderName = "pubnative" BidderPulsepoint BidderName = "pulsepoint" BidderPWBid BidderName = "pwbid" BidderQT BidderName = "qt" BidderReadpeak BidderName = "readpeak" BidderRediads BidderName = "rediads" BidderRelevantDigital BidderName = "relevantdigital" BidderResetDigital BidderName = "resetdigital" BidderRevcontent BidderName = "revcontent" BidderRichaudience BidderName = "richaudience" BidderRise BidderName = "rise" BidderRoulax BidderName = "roulax" BidderRTBHouse BidderName = "rtbhouse" BidderRubicon BidderName = "rubicon" BidderSeedingAlliance BidderName = "seedingAlliance" BidderSeedtag BidderName = "seedtag" BidderSaLunaMedia BidderName = "sa_lunamedia" BidderSharethrough BidderName = "sharethrough" BidderShowheroes BidderName = "showheroes" BidderSilverMob BidderName = "silvermob" BidderSilverPush BidderName = "silverpush" BidderSmaato BidderName = "smaato" BidderSmartAdserver BidderName = "smartadserver" BidderSmartHub BidderName = "smarthub" BidderSmartRTB BidderName = "smartrtb" BidderSmartx BidderName = "smartx" BidderSmartyAds BidderName = "smartyads" BidderSmileWanted BidderName = "smilewanted" BidderSmoot BidderName = "smoot" BidderSmrtconnect BidderName = "smrtconnect" BidderSonobi BidderName = "sonobi" BidderSovrn BidderName = "sovrn" BidderSovrnXsp BidderName = "sovrnXsp" BidderSparteo BidderName = "sparteo" BidderSspBC BidderName = "sspBC" BidderStartIO BidderName = "startio" BidderStroeerCore BidderName = "stroeerCore" BidderTaboola BidderName = "taboola" BidderTappx BidderName = "tappx" BidderTeads BidderName = "teads" BidderTelaria BidderName = "telaria" BidderTeqBlaze BidderName = "teqblaze" BidderTheadx BidderName = "theadx" BidderTheTradeDesk BidderName = "thetradedesk" BidderTpmn BidderName = "tpmn" BidderTradPlus BidderName = "tradplus" BidderTrafficGate BidderName = "trafficgate" BidderTriplelift BidderName = "triplelift" BidderTripleliftNative BidderName = "triplelift_native" BidderTrustedstack BidderName = "trustedstack" BidderTrustX BidderName = "trustx" BidderUcfunnel BidderName = "ucfunnel" BidderUndertone BidderName = "undertone" BidderUnicorn BidderName = "unicorn" BidderUnruly BidderName = "unruly" BidderVidazoo BidderName = "vidazoo" BidderVideoByte BidderName = "videobyte" BidderVideoHeroes BidderName = "videoheroes" BidderVidoomy BidderName = "vidoomy" BidderVisibleMeasures BidderName = "visiblemeasures" BidderVisx BidderName = "visx" BidderVox BidderName = "vox" BidderVrtcal BidderName = "vrtcal" BidderVungle BidderName = "vungle" BidderXeworks BidderName = "xeworks" BidderYahooAds BidderName = "yahooAds" BidderYandex BidderName = "yandex" BidderYeahmobi BidderName = "yeahmobi" BidderYieldlab BidderName = "yieldlab" BidderYieldmo BidderName = "yieldmo" BidderYieldone BidderName = "yieldone" BidderZentotem BidderName = "zentotem" BidderZeroClickFraud BidderName = "zeroclickfraud" BidderZetaGlobalSsp BidderName = "zeta_global_ssp" BidderZmaticoo BidderName = "zmaticoo" ) // CoreBidderNames returns a slice of all core bidders. func CoreBidderNames() []BidderName { return coreBidderNames } // BuildBidderMap builds a map of string to BidderName, to remain compatbile with the // prebioud BidderMap variable. func BuildBidderMap() map[string]BidderName { lookup := make(map[string]BidderName) for _, name := range CoreBidderNames() { lookup[string(name)] = name } return lookup } // BuildBidderStringSlice builds a slioce of strings for each BidderName. func BuildBidderStringSlice() []string { coreBidders := CoreBidderNames() slice := make([]string, len(coreBidders)) for i, name := range CoreBidderNames() { slice[i] = string(name) } return slice } func BuildBidderNameHashSet() map[string]struct{} { hashSet := make(map[string]struct{}) for _, name := range CoreBidderNames() { hashSet[string(name)] = struct{}{} } return hashSet } // bidderNameLookup is a map of the lower case version of the bidder name to the precise BidderName value. var bidderNameLookup = func() map[string]BidderName { lookup := make(map[string]BidderName) for _, name := range CoreBidderNames() { bidderNameLower := strings.ToLower(string(name)) lookup[bidderNameLower] = name } return lookup }() type BidderNameNormalizer func(name string) (BidderName, bool) func NormalizeBidderName(name string) (BidderName, bool) { nameLower := strings.ToLower(name) bidderName, exists := bidderNameLookup[nameLower] return bidderName, exists } // NormalizeBidderNameOrUnchanged returns the normalized name of known bidders, otherwise returns // the name exactly as provided. func NormalizeBidderNameOrUnchanged(name string) BidderName { if normalized, exists := NormalizeBidderName(name); exists { return normalized } return BidderName(name) } // The BidderParamValidator is used to enforce bidrequest.imp[i].ext.prebid.bidder.{anyBidder} values. // // This is treated differently from the other types because we rely on JSON-schemas to validate bidder params. type BidderParamValidator interface { Validate(name BidderName, ext json.RawMessage) error // Schema returns the JSON schema used to perform validation. Schema(name BidderName) string } type bidderParamsFileSystem interface { readDir(name string) ([]os.DirEntry, error) readFile(name string) ([]byte, error) newReferenceLoader(source string) gojsonschema.JSONLoader newSchema(l gojsonschema.JSONLoader) (*gojsonschema.Schema, error) abs(path string) (string, error) } type standardBidderParamsFileSystem struct{} func (standardBidderParamsFileSystem) readDir(name string) ([]os.DirEntry, error) { return os.ReadDir(name) } func (standardBidderParamsFileSystem) readFile(name string) ([]byte, error) { return os.ReadFile(name) } func (standardBidderParamsFileSystem) newReferenceLoader(source string) gojsonschema.JSONLoader { return gojsonschema.NewReferenceLoader(source) } func (standardBidderParamsFileSystem) newSchema(l gojsonschema.JSONLoader) (*gojsonschema.Schema, error) { return gojsonschema.NewSchema(l) } func (standardBidderParamsFileSystem) abs(path string) (string, error) { return filepath.Abs(path) } var paramsValidator bidderParamsFileSystem = standardBidderParamsFileSystem{} // NewBidderParamsValidator makes a BidderParamValidator, assuming all the necessary files exist in the filesystem. // This will error if, for example, a Bidder gets added but no JSON schema is written for them. func NewBidderParamsValidator(schemaDirectory string) (BidderParamValidator, error) { fileInfos, err := paramsValidator.readDir(schemaDirectory) if err != nil { return nil, fmt.Errorf("Failed to read JSON schemas from directory %s. %v", schemaDirectory, err) } bidderMap := BuildBidderMap() schemaContents := make(map[BidderName]string, 50) schemas := make(map[BidderName]*gojsonschema.Schema, 50) for _, fileInfo := range fileInfos { bidderName := strings.TrimSuffix(fileInfo.Name(), ".json") if _, ok := bidderMap[bidderName]; !ok { return nil, fmt.Errorf("File %s/%s does not match a valid BidderName.", schemaDirectory, fileInfo.Name()) } toOpen, err := paramsValidator.abs(filepath.Join(schemaDirectory, fileInfo.Name())) if err != nil { return nil, fmt.Errorf("Failed to get an absolute representation of the path: %s, %v", toOpen, err) } schemaLoader := paramsValidator.newReferenceLoader("file:///" + filepath.ToSlash(toOpen)) loadedSchema, err := paramsValidator.newSchema(schemaLoader) if err != nil { return nil, fmt.Errorf("Failed to load json schema at %s: %v", toOpen, err) } fileBytes, err := paramsValidator.readFile(fmt.Sprintf("%s/%s", schemaDirectory, fileInfo.Name())) if err != nil { return nil, fmt.Errorf("Failed to read file %s/%s: %v", schemaDirectory, fileInfo.Name(), err) } schemas[BidderName(bidderName)] = loadedSchema schemaContents[BidderName(bidderName)] = string(fileBytes) } // set alias bidder params schema to its parent for alias, parent := range aliasBidderToParent { parentSchema := schemas[parent] schemas[alias] = parentSchema parentSchemaContents := schemaContents[parent] schemaContents[alias] = parentSchemaContents } return &bidderParamValidator{ schemaContents: schemaContents, parsedSchemas: schemas, }, nil } type bidderParamValidator struct { schemaContents map[BidderName]string parsedSchemas map[BidderName]*gojsonschema.Schema } func (validator *bidderParamValidator) Validate(name BidderName, ext json.RawMessage) error { result, err := validator.parsedSchemas[name].Validate(gojsonschema.NewBytesLoader(ext)) if err != nil { return err } if !result.Valid() { errBuilder := bytes.NewBuffer(make([]byte, 0, 300)) for _, err := range result.Errors() { errBuilder.WriteString(err.String()) } return errors.New(errBuilder.String()) } return nil } func (validator *bidderParamValidator) Schema(name BidderName) string { return validator.schemaContents[name] }