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orbidder.go
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orbidder.go
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package orbidder
import (
"encoding/json"
"fmt"
"net/http"
"github.com/mxmCherry/openrtb/v15/openrtb2"
"github.com/prebid/prebid-server/adapters"
"github.com/prebid/prebid-server/config"
"github.com/prebid/prebid-server/errortypes"
"github.com/prebid/prebid-server/openrtb_ext"
)
type OrbidderAdapter struct {
endpoint string
}
// MakeRequests makes the HTTP requests which should be made to fetch bids from orbidder.
func (rcv *OrbidderAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errs []error
var validImps []openrtb2.Imp
// check if imps exists, if not return error and do send request to orbidder.
if len(request.Imp) == 0 {
return nil, []error{&errortypes.BadInput{
Message: "No impressions in request",
}}
}
// validate imps
for _, imp := range request.Imp {
if err := preprocess(&imp); err != nil {
errs = append(errs, err)
continue
}
validImps = append(validImps, imp)
}
if len(validImps) == 0 {
return nil, errs
}
//set imp array to only valid imps
request.Imp = validImps
requestBodyJSON, err := json.Marshal(request)
if err != nil {
errs = append(errs, err)
return nil, errs
}
headers := http.Header{}
headers.Add("Content-Type", "application/json;charset=utf-8")
headers.Add("Accept", "application/json")
return []*adapters.RequestData{{
Method: "POST",
Uri: rcv.endpoint,
Body: requestBodyJSON,
Headers: headers,
}}, errs
}
func preprocess(imp *openrtb2.Imp) error {
var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
return &errortypes.BadInput{
Message: err.Error(),
}
}
var orbidderExt openrtb_ext.ExtImpOrbidder
if err := json.Unmarshal(bidderExt.Bidder, &orbidderExt); err != nil {
return &errortypes.BadInput{
Message: "Wrong orbidder bidder ext: " + err.Error(),
}
}
return nil
}
// MakeBids unpacks server response into Bids.
func (rcv OrbidderAdapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
if response.StatusCode == http.StatusNoContent {
return nil, nil
}
if response.StatusCode >= http.StatusInternalServerError {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Unexpected status code: %d. Dsp server internal error.", response.StatusCode),
}}
}
if response.StatusCode >= http.StatusBadRequest {
return nil, []error{&errortypes.BadInput{
Message: fmt.Sprintf("Unexpected status code: %d. Bad request to dsp.", response.StatusCode),
}}
}
if response.StatusCode != http.StatusOK {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Unexpected status code: %d. Bad response from dsp.", response.StatusCode),
}}
}
var bidResp openrtb2.BidResponse
if err := json.Unmarshal(response.Body, &bidResp); err != nil {
return nil, []error{err}
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(5)
for _, seatBid := range bidResp.SeatBid {
for _, bid := range seatBid.Bid {
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &bid,
BidType: openrtb_ext.BidTypeBanner,
})
}
}
if bidResp.Cur != "" {
bidResponse.Currency = bidResp.Cur
}
return bidResponse, nil
}
// Builder builds a new instance of the Orbidder adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
bidder := &OrbidderAdapter{
endpoint: config.Endpoint,
}
return bidder, nil
}