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| 1 | +package thetradedesk |
| 2 | + |
| 3 | +import ( |
| 4 | + "encoding/json" |
| 5 | + "errors" |
| 6 | + "fmt" |
| 7 | + "net/http" |
| 8 | + "regexp" |
| 9 | + "text/template" |
| 10 | + |
| 11 | + "github.com/prebid/prebid-server/adapters" |
| 12 | + "github.com/prebid/prebid-server/config" |
| 13 | + "github.com/prebid/prebid-server/macros" |
| 14 | + "github.com/prebid/prebid-server/openrtb_ext" |
| 15 | + |
| 16 | + "github.com/prebid/openrtb/v19/openrtb2" |
| 17 | +) |
| 18 | + |
| 19 | +//const PREBID_INTEGRATION_TYPE = "1" |
| 20 | + |
| 21 | +type adapter struct { |
| 22 | + bidderEndpointTemplate string |
| 23 | + defaultEndpoint string |
| 24 | + templateEndpoint *template.Template |
| 25 | +} |
| 26 | + |
| 27 | +func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) { |
| 28 | + pubID, supplySourceId, err := getExtensionInfo(request.Imp) |
| 29 | + |
| 30 | + if err != nil { |
| 31 | + return nil, []error{err} |
| 32 | + } |
| 33 | + |
| 34 | + modifiedImps := make([]openrtb2.Imp, 0, len(request.Imp)) |
| 35 | + |
| 36 | + for _, imp := range request.Imp { |
| 37 | + |
| 38 | + if imp.Banner != nil { |
| 39 | + if len(imp.Banner.Format) > 0 { |
| 40 | + firstFormat := imp.Banner.Format[0] |
| 41 | + bannerCopy := *imp.Banner |
| 42 | + bannerCopy.H = &firstFormat.H |
| 43 | + bannerCopy.W = &firstFormat.W |
| 44 | + imp.Banner = &bannerCopy |
| 45 | + |
| 46 | + } |
| 47 | + } |
| 48 | + |
| 49 | + modifiedImps = append(modifiedImps, imp) |
| 50 | + } |
| 51 | + |
| 52 | + request.Imp = modifiedImps |
| 53 | + |
| 54 | + if request.Site != nil { |
| 55 | + siteCopy := *request.Site |
| 56 | + if siteCopy.Publisher != nil { |
| 57 | + publisherCopy := *siteCopy.Publisher |
| 58 | + if pubID != "" { |
| 59 | + publisherCopy.ID = pubID |
| 60 | + } |
| 61 | + siteCopy.Publisher = &publisherCopy |
| 62 | + } else { |
| 63 | + siteCopy.Publisher = &openrtb2.Publisher{ID: pubID} |
| 64 | + } |
| 65 | + request.Site = &siteCopy |
| 66 | + } else if request.App != nil { |
| 67 | + appCopy := *request.App |
| 68 | + if appCopy.Publisher != nil { |
| 69 | + publisherCopy := *appCopy.Publisher |
| 70 | + if pubID != "" { |
| 71 | + publisherCopy.ID = pubID |
| 72 | + } |
| 73 | + appCopy.Publisher = &publisherCopy |
| 74 | + } else { |
| 75 | + appCopy.Publisher = &openrtb2.Publisher{ID: pubID} |
| 76 | + } |
| 77 | + request.App = &appCopy |
| 78 | + } |
| 79 | + |
| 80 | + errs := make([]error, 0, len(request.Imp)) |
| 81 | + reqJSON, err := json.Marshal(request) |
| 82 | + if err != nil { |
| 83 | + errs = append(errs, err) |
| 84 | + return nil, errs |
| 85 | + } |
| 86 | + |
| 87 | + bidderEndpoint, err := a.buildEndpointURL(supplySourceId) |
| 88 | + if err != nil { |
| 89 | + return nil, []error{errors.New("Failed to build endpoint URL")} |
| 90 | + } |
| 91 | + |
| 92 | + headers := http.Header{} |
| 93 | + headers.Add("Content-Type", "application/json;charset=utf-8") |
| 94 | + headers.Add("Accept", "application/json") |
| 95 | + //headers.Add("x-integration-type", PREBID_INTEGRATION_TYPE) this will be parsed and added conditionally later |
| 96 | + return []*adapters.RequestData{{ |
| 97 | + Method: "POST", |
| 98 | + Uri: bidderEndpoint, |
| 99 | + Body: reqJSON, |
| 100 | + Headers: headers, |
| 101 | + ImpIDs: openrtb_ext.GetImpIDs(request.Imp), |
| 102 | + }}, errs |
| 103 | +} |
| 104 | + |
| 105 | +func (a *adapter) buildEndpointURL(supplySourceId string) (string, error) { |
| 106 | + if supplySourceId == "" { |
| 107 | + return a.defaultEndpoint, nil |
| 108 | + } |
| 109 | + |
| 110 | + urlParams := macros.EndpointTemplateParams{SupplyId: supplySourceId} |
| 111 | + bidderEndpoint, err := macros.ResolveMacros(a.templateEndpoint, urlParams) |
| 112 | + |
| 113 | + if err != nil { |
| 114 | + return "", fmt.Errorf("unable to resolve endpoint macros: %v", err) |
| 115 | + } |
| 116 | + |
| 117 | + return bidderEndpoint, nil |
| 118 | +} |
| 119 | + |
| 120 | +func getExtensionInfo(impressions []openrtb2.Imp) (string, string, error) { |
| 121 | + publisherId := "" |
| 122 | + supplySourceId := "" |
| 123 | + for _, imp := range impressions { |
| 124 | + var ttdExt, err = getImpressionExt(&imp) |
| 125 | + if err != nil { |
| 126 | + return "", "", err |
| 127 | + } |
| 128 | + |
| 129 | + if ttdExt.PublisherId != "" && publisherId == "" { |
| 130 | + publisherId = ttdExt.PublisherId |
| 131 | + } |
| 132 | + |
| 133 | + if ttdExt.SupplySourceId != "" && supplySourceId == "" { |
| 134 | + supplySourceId = ttdExt.SupplySourceId |
| 135 | + } |
| 136 | + |
| 137 | + if publisherId != "" && supplySourceId != "" { |
| 138 | + break |
| 139 | + } |
| 140 | + } |
| 141 | + return publisherId, supplySourceId, nil |
| 142 | +} |
| 143 | + |
| 144 | +func getImpressionExt(imp *openrtb2.Imp) (*openrtb_ext.ExtImpTheTradeDesk, error) { |
| 145 | + var bidderExt adapters.ExtImpBidder |
| 146 | + if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil { |
| 147 | + return nil, err |
| 148 | + } |
| 149 | + |
| 150 | + var ttdExt openrtb_ext.ExtImpTheTradeDesk |
| 151 | + if err := json.Unmarshal(bidderExt.Bidder, &ttdExt); err != nil { |
| 152 | + return nil, err |
| 153 | + } |
| 154 | + return &ttdExt, nil |
| 155 | +} |
| 156 | + |
| 157 | +func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) { |
| 158 | + if adapters.IsResponseStatusCodeNoContent(response) { |
| 159 | + return adapters.NewBidderResponse(), nil |
| 160 | + } |
| 161 | + |
| 162 | + if err := adapters.CheckResponseStatusCodeForErrors(response); err != nil { |
| 163 | + return nil, []error{err} |
| 164 | + } |
| 165 | + |
| 166 | + var bidResponse openrtb2.BidResponse |
| 167 | + if err := json.Unmarshal(response.Body, &bidResponse); err != nil { |
| 168 | + return nil, []error{err} |
| 169 | + } |
| 170 | + |
| 171 | + bidderResponse := adapters.NewBidderResponse() |
| 172 | + bidderResponse.Currency = bidResponse.Cur |
| 173 | + |
| 174 | + for _, seatBid := range bidResponse.SeatBid { |
| 175 | + for _, bid := range seatBid.Bid { |
| 176 | + bid := bid |
| 177 | + |
| 178 | + bidType, err := getBidType(bid.MType) |
| 179 | + |
| 180 | + if err != nil { |
| 181 | + return nil, []error{err} |
| 182 | + } |
| 183 | + |
| 184 | + b := &adapters.TypedBid{ |
| 185 | + Bid: &bid, |
| 186 | + BidType: bidType, |
| 187 | + } |
| 188 | + bidderResponse.Bids = append(bidderResponse.Bids, b) |
| 189 | + } |
| 190 | + } |
| 191 | + |
| 192 | + return bidderResponse, nil |
| 193 | +} |
| 194 | + |
| 195 | +func getBidType(markupType openrtb2.MarkupType) (openrtb_ext.BidType, error) { |
| 196 | + switch markupType { |
| 197 | + case openrtb2.MarkupBanner: |
| 198 | + return openrtb_ext.BidTypeBanner, nil |
| 199 | + case openrtb2.MarkupVideo: |
| 200 | + return openrtb_ext.BidTypeVideo, nil |
| 201 | + case openrtb2.MarkupNative: |
| 202 | + return openrtb_ext.BidTypeNative, nil |
| 203 | + default: |
| 204 | + return "", fmt.Errorf("unsupported mtype: %d", markupType) |
| 205 | + } |
| 206 | +} |
| 207 | + |
| 208 | +func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) { |
| 209 | + if len(config.ExtraAdapterInfo) > 0 { |
| 210 | + isValidEndpoint, err := regexp.Match("([a-z]+)$", []byte(config.ExtraAdapterInfo)) |
| 211 | + if !isValidEndpoint || err != nil { |
| 212 | + return nil, errors.New("ExtraAdapterInfo must be a simple string provided by TheTradeDesk") |
| 213 | + } |
| 214 | + } |
| 215 | + |
| 216 | + template, err := template.New("endpointTemplate").Parse(config.Endpoint) |
| 217 | + if err != nil { |
| 218 | + return nil, fmt.Errorf("unable to parse endpoint url template: %v", err) |
| 219 | + } |
| 220 | + |
| 221 | + urlParams := macros.EndpointTemplateParams{SupplyId: config.ExtraAdapterInfo} |
| 222 | + defaultEndpoint, err := macros.ResolveMacros(template, urlParams) |
| 223 | + |
| 224 | + if err != nil { |
| 225 | + return nil, fmt.Errorf("unable to resolve endpoint macros: %v", err) |
| 226 | + } |
| 227 | + |
| 228 | + return &adapter{ |
| 229 | + bidderEndpointTemplate: config.Endpoint, |
| 230 | + defaultEndpoint: defaultEndpoint, |
| 231 | + templateEndpoint: template, |
| 232 | + }, nil |
| 233 | +} |
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