|
| 1 | +package alliance_gravity |
| 2 | + |
| 3 | +import ( |
| 4 | + "encoding/json" |
| 5 | + "fmt" |
| 6 | + "net/http" |
| 7 | + |
| 8 | + "github.com/prebid/openrtb/v20/openrtb2" |
| 9 | + "github.com/prebid/prebid-server/v3/adapters" |
| 10 | + "github.com/prebid/prebid-server/v3/config" |
| 11 | + "github.com/prebid/prebid-server/v3/errortypes" |
| 12 | + "github.com/prebid/prebid-server/v3/openrtb_ext" |
| 13 | + "github.com/prebid/prebid-server/v3/util/jsonutil" |
| 14 | +) |
| 15 | + |
| 16 | +type adapter struct { |
| 17 | + endpoint string |
| 18 | +} |
| 19 | + |
| 20 | +func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) { |
| 21 | + bidder := &adapter{ |
| 22 | + endpoint: config.Endpoint, |
| 23 | + } |
| 24 | + return bidder, nil |
| 25 | +} |
| 26 | + |
| 27 | +func generateImps(imps []openrtb2.Imp) ([]openrtb2.Imp, error) { |
| 28 | + var generatedImps []openrtb2.Imp |
| 29 | + for _, imp := range imps { |
| 30 | + var bidderExt adapters.ExtImpBidder |
| 31 | + if err := jsonutil.Unmarshal(imp.Ext, &bidderExt); err != nil { |
| 32 | + return nil, &errortypes.BadInput{ |
| 33 | + Message: err.Error(), |
| 34 | + } |
| 35 | + } |
| 36 | + |
| 37 | + var allianceGravityExt openrtb_ext.ExtImpAllianceGravity |
| 38 | + if err := jsonutil.Unmarshal(bidderExt.Bidder, &allianceGravityExt); err != nil { |
| 39 | + return nil, &errortypes.BadInput{ |
| 40 | + Message: err.Error(), |
| 41 | + } |
| 42 | + } |
| 43 | + |
| 44 | + bidderExt.Bidder = json.RawMessage(`{}`) |
| 45 | + bidderExt.Prebid = &openrtb_ext.ExtImpPrebid{ |
| 46 | + StoredRequest: &openrtb_ext.ExtStoredRequest{ |
| 47 | + ID: allianceGravityExt.SrId, |
| 48 | + }, |
| 49 | + } |
| 50 | + |
| 51 | + bidderExtJSON, err := jsonutil.Marshal(bidderExt) |
| 52 | + if err != nil { |
| 53 | + return nil, &errortypes.BadInput{ |
| 54 | + Message: err.Error(), |
| 55 | + } |
| 56 | + } |
| 57 | + |
| 58 | + impCopy := imp |
| 59 | + impCopy.Ext = bidderExtJSON |
| 60 | + |
| 61 | + generatedImps = append(generatedImps, impCopy) |
| 62 | + } |
| 63 | + return generatedImps, nil |
| 64 | +} |
| 65 | + |
| 66 | +func (a *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) { |
| 67 | + var generatedImps, err = generateImps(request.Imp) |
| 68 | + if err != nil { |
| 69 | + return nil, []error{err} |
| 70 | + } |
| 71 | + |
| 72 | + request.Imp = generatedImps |
| 73 | + |
| 74 | + requestJSON, err := jsonutil.Marshal(request) |
| 75 | + |
| 76 | + if err != nil { |
| 77 | + return nil, []error{err} |
| 78 | + } |
| 79 | + |
| 80 | + headers := http.Header{} |
| 81 | + headers.Add("Content-Type", "application/json;charset=utf-8") |
| 82 | + headers.Add("Accept", "application/json") |
| 83 | + |
| 84 | + if request.Device != nil { |
| 85 | + if request.Device.UA != "" { |
| 86 | + headers.Add("User-Agent", request.Device.UA) |
| 87 | + } |
| 88 | + if request.Device.IP != "" { |
| 89 | + headers.Add("X-Forwarded-For", request.Device.IP) |
| 90 | + } else if request.Device.IPv6 != "" { |
| 91 | + headers.Add("X-Forwarded-For", request.Device.IPv6) |
| 92 | + } |
| 93 | + } |
| 94 | + if request.Site != nil { |
| 95 | + if request.Site.Page != "" { |
| 96 | + headers.Add("Referer", request.Site.Page) |
| 97 | + } |
| 98 | + } |
| 99 | + |
| 100 | + if request.User != nil && request.User.BuyerUID != "" { |
| 101 | + headers.Add("Cookie", "uids="+request.User.BuyerUID) |
| 102 | + } |
| 103 | + |
| 104 | + requestData := &adapters.RequestData{ |
| 105 | + Method: "POST", |
| 106 | + Uri: a.endpoint, |
| 107 | + Body: requestJSON, |
| 108 | + Headers: headers, |
| 109 | + ImpIDs: openrtb_ext.GetImpIDs(request.Imp), |
| 110 | + } |
| 111 | + |
| 112 | + return []*adapters.RequestData{requestData}, nil |
| 113 | +} |
| 114 | + |
| 115 | +func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) { |
| 116 | + if responseData.StatusCode == http.StatusNoContent { |
| 117 | + return nil, nil |
| 118 | + } |
| 119 | + |
| 120 | + if responseData.StatusCode == http.StatusBadRequest { |
| 121 | + err := &errortypes.BadInput{ |
| 122 | + Message: "Unexpected status code: 400. Bad request from publisher. Run with request.debug = 1 for more info.", |
| 123 | + } |
| 124 | + return nil, []error{err} |
| 125 | + } |
| 126 | + |
| 127 | + if responseData.StatusCode != http.StatusOK { |
| 128 | + err := &errortypes.BadServerResponse{ |
| 129 | + Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info.", responseData.StatusCode), |
| 130 | + } |
| 131 | + return nil, []error{err} |
| 132 | + } |
| 133 | + |
| 134 | + var response openrtb2.BidResponse |
| 135 | + if err := jsonutil.Unmarshal(responseData.Body, &response); err != nil { |
| 136 | + return nil, []error{err} |
| 137 | + } |
| 138 | + |
| 139 | + var bids []*adapters.TypedBid |
| 140 | + var errors []error |
| 141 | + for _, seatBid := range response.SeatBid { |
| 142 | + for i, bid := range seatBid.Bid { |
| 143 | + bidType, err := getMediaTypeForBid(bid) |
| 144 | + if err != nil { |
| 145 | + errors = append(errors, err) |
| 146 | + continue |
| 147 | + } |
| 148 | + bids = append(bids, &adapters.TypedBid{ |
| 149 | + Bid: &seatBid.Bid[i], |
| 150 | + BidType: bidType, |
| 151 | + }) |
| 152 | + } |
| 153 | + } |
| 154 | + |
| 155 | + if len(bids) == 0 { |
| 156 | + return nil, nil |
| 157 | + } |
| 158 | + |
| 159 | + bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(bids)) |
| 160 | + |
| 161 | + if response.Cur != "" { |
| 162 | + bidResponse.Currency = response.Cur |
| 163 | + } |
| 164 | + bidResponse.Bids = bids |
| 165 | + |
| 166 | + return bidResponse, errors |
| 167 | +} |
| 168 | + |
| 169 | +func getMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) { |
| 170 | + if bid.Ext != nil { |
| 171 | + var bidExt openrtb_ext.ExtBid |
| 172 | + err := jsonutil.Unmarshal(bid.Ext, &bidExt) |
| 173 | + if err == nil && bidExt.Prebid != nil { |
| 174 | + return openrtb_ext.ParseBidType(string(bidExt.Prebid.Type)) |
| 175 | + } |
| 176 | + } |
| 177 | + |
| 178 | + return "", &errortypes.BadServerResponse{ |
| 179 | + Message: fmt.Sprintf("Failed to parse impression \"%s\" mediatype", bid.ImpID), |
| 180 | + } |
| 181 | +} |
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