/
sovrn.go
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/
sovrn.go
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package sovrn
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
"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"
"github.com/mxmCherry/openrtb/v16/openrtb2"
)
type SovrnAdapter struct {
URI string
}
func (s *SovrnAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
headers := http.Header{}
headers.Add("Content-Type", "application/json")
if request.Device != nil {
addHeaderIfNonEmpty(headers, "User-Agent", request.Device.UA)
addHeaderIfNonEmpty(headers, "X-Forwarded-For", request.Device.IP)
addHeaderIfNonEmpty(headers, "Accept-Language", request.Device.Language)
if request.Device.DNT != nil {
addHeaderIfNonEmpty(headers, "DNT", strconv.Itoa(int(*request.Device.DNT)))
}
}
if request.User != nil {
userID := strings.TrimSpace(request.User.BuyerUID)
if len(userID) > 0 {
headers.Add("Cookie", fmt.Sprintf("%s=%s", "ljt_reader", userID))
}
}
errs := make([]error, 0, len(request.Imp))
var err error
validImps := make([]openrtb2.Imp, 0, len(request.Imp))
for _, imp := range request.Imp {
var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
errs = append(errs, &errortypes.BadInput{
Message: err.Error(),
})
continue
}
var sovrnExt openrtb_ext.ExtImpSovrn
if err := json.Unmarshal(bidderExt.Bidder, &sovrnExt); err != nil {
errs = append(errs, &errortypes.BadInput{
Message: err.Error(),
})
continue
}
tagId := getTagId(sovrnExt)
if tagId == "" {
errs = append(errs, &errortypes.BadInput{
Message: "Missing required parameter 'tagid'",
})
continue
}
imp.TagID = tagId
if imp.BidFloor == 0 && sovrnExt.BidFloor > 0 {
imp.BidFloor = sovrnExt.BidFloor
}
// Validate video params if appropriate
video := imp.Video
if video != nil {
if video.MIMEs == nil ||
video.MinDuration == 0 ||
video.MaxDuration == 0 ||
video.Protocols == nil {
errs = append(errs, &errortypes.BadInput{
Message: "Missing required video parameter",
})
continue
}
}
validImps = append(validImps, imp)
}
if len(validImps) == 0 {
return nil, errs
}
request.Imp = validImps
reqJSON, err := json.Marshal(request)
if err != nil {
errs = append(errs, err)
return nil, errs
}
return []*adapters.RequestData{{
Method: "POST",
Uri: s.URI,
Body: reqJSON,
Headers: headers,
}}, errs
}
func addHeaderIfNonEmpty(headers http.Header, headerName string, headerValue string) {
if len(headerValue) > 0 {
headers.Add(headerName, headerValue)
}
}
func (s *SovrnAdapter) MakeBids(request *openrtb2.BidRequest, bidderRequest *adapters.RequestData, bidderResponse *adapters.ResponseData) (*adapters.BidderResponse, []error) {
if bidderResponse.StatusCode == http.StatusNoContent {
return nil, nil
}
if bidderResponse.StatusCode == http.StatusBadRequest {
return nil, []error{&errortypes.BadInput{
Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", bidderResponse.StatusCode),
}}
}
if bidderResponse.StatusCode != http.StatusOK {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", bidderResponse.StatusCode),
}}
}
var bidResponse openrtb2.BidResponse
if err := json.Unmarshal(bidderResponse.Body, &bidResponse); err != nil {
return nil, []error{&errortypes.BadServerResponse{
Message: err.Error(),
}}
}
response := adapters.NewBidderResponseWithBidsCapacity(5)
errs := make([]error, 0)
for _, sb := range bidResponse.SeatBid {
for _, bid := range sb.Bid {
adm, err := url.QueryUnescape(bid.AdM)
if err == nil {
bid.AdM = adm
bidType := openrtb_ext.BidTypeBanner
impIdx, impIdErr := getImpIdx(bid.ImpID, request)
if impIdErr != nil {
errs = append(errs, impIdErr)
continue
} else if request.Imp[impIdx].Video != nil {
bidType = openrtb_ext.BidTypeVideo
}
response.Bids = append(response.Bids, &adapters.TypedBid{
Bid: &bid,
BidType: bidType,
})
}
}
}
return response, errs
}
func getTagId(sovrnExt openrtb_ext.ExtImpSovrn) string {
if len(sovrnExt.Tagid) > 0 {
return sovrnExt.Tagid
} else {
return sovrnExt.TagId
}
}
func getImpIdx(impId string, request *openrtb2.BidRequest) (int, error) {
for idx, imp := range request.Imp {
if imp.ID == impId {
return idx, nil
}
}
return -1, &errortypes.BadInput{
Message: fmt.Sprintf("Imp ID %s in bid didn't match with any imp in the original request", impId),
}
}
// Builder builds a new instance of the Sovrn adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
bidder := &SovrnAdapter{
URI: config.Endpoint,
}
return bidder, nil
}