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yahooAds.go
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yahooAds.go
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package yahooAds
import (
"encoding/json"
"fmt"
"net/http"
"github.com/prebid/openrtb/v20/openrtb2"
"github.com/prebid/prebid-server/v2/adapters"
"github.com/prebid/prebid-server/v2/config"
"github.com/prebid/prebid-server/v2/errortypes"
"github.com/prebid/prebid-server/v2/openrtb_ext"
"github.com/prebid/prebid-server/v2/util/ptrutil"
)
type adapter struct {
URI string
}
func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
var errors []error
reqs := make([]*adapters.RequestData, 0, len(request.Imp))
headers := http.Header{}
headers.Add("Content-Type", "application/json;charset=utf-8")
headers.Add("Accept", "application/json")
headers.Add("x-openrtb-version", "2.5")
if request.Device != nil && request.Device.UA != "" {
headers.Set("User-Agent", request.Device.UA)
}
for idx, imp := range request.Imp {
var bidderExt adapters.ExtImpBidder
err := json.Unmarshal(imp.Ext, &bidderExt)
if err != nil {
err = &errortypes.BadInput{
Message: fmt.Sprintf("imp #%d: ext.bidder not provided", idx),
}
errors = append(errors, err)
continue
}
var yahooAdsExt openrtb_ext.ExtImpYahooAds
err = json.Unmarshal(bidderExt.Bidder, &yahooAdsExt)
if err != nil {
err = &errortypes.BadInput{
Message: fmt.Sprintf("imp #%d: %s", idx, err.Error()),
}
errors = append(errors, err)
continue
}
// Split up multi-impression requests into multiple requests so that
// each split request is only associated to a single impression
reqCopy := *request
reqCopy.Imp = []openrtb2.Imp{imp}
if request.Site != nil {
siteCopy := *request.Site
reqCopy.Site = &siteCopy
} else if request.App != nil {
appCopy := *request.App
reqCopy.App = &appCopy
}
if err := changeRequestForBidService(&reqCopy, &yahooAdsExt); err != nil {
errors = append(errors, err)
continue
}
reqJSON, err := json.Marshal(&reqCopy)
if err != nil {
errors = append(errors, err)
continue
}
reqs = append(reqs, &adapters.RequestData{
Method: "POST",
Uri: a.URI,
Body: reqJSON,
Headers: headers,
})
}
return reqs, errors
}
func (a *adapter) 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.StatusOK {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Unexpected status code: %d.", response.StatusCode),
}}
}
var bidResp openrtb2.BidResponse
if err := json.Unmarshal(response.Body, &bidResp); err != nil {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Bad server response: %d.", err),
}}
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(internalRequest.Imp))
for _, sb := range bidResp.SeatBid {
for _, bid := range sb.Bid {
bid := bid
exists, mediaTypeId := getImpInfo(bid.ImpID, internalRequest.Imp)
if !exists {
return nil, []error{&errortypes.BadServerResponse{
Message: fmt.Sprintf("Unknown ad unit code '%s'", bid.ImpID),
}}
}
if openrtb_ext.BidTypeBanner != mediaTypeId &&
openrtb_ext.BidTypeVideo != mediaTypeId {
//only banner and video are mediaTypeId, anything else is ignored
continue
}
bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
Bid: &bid,
BidType: mediaTypeId,
})
}
}
return bidResponse, nil
}
func getImpInfo(impId string, imps []openrtb2.Imp) (bool, openrtb_ext.BidType) {
var mediaType openrtb_ext.BidType
var exists bool
for _, imp := range imps {
if imp.ID == impId {
exists = true
if imp.Banner != nil {
mediaType = openrtb_ext.BidTypeBanner
} else if imp.Video != nil {
mediaType = openrtb_ext.BidTypeVideo
}
break
}
}
return exists, mediaType
}
func changeRequestForBidService(request *openrtb2.BidRequest, extension *openrtb_ext.ExtImpYahooAds) error {
/* Always override the tag ID and (site ID or app ID) of the request */
request.Imp[0].TagID = extension.Pos
if request.Site != nil {
request.Site.ID = extension.Dcn
} else if request.App != nil {
request.App.ID = extension.Dcn
}
if request.Imp[0].Banner != nil {
banner := *request.Imp[0].Banner
request.Imp[0].Banner = &banner
err := validateBanner(&banner)
if err != nil {
return err
}
}
if request.Regs != nil && request.Regs.GPP != "" {
requestRegs := *request.Regs
if requestRegs.Ext == nil {
requestRegs.Ext = json.RawMessage("{}")
}
var regsExt map[string]json.RawMessage
err := json.Unmarshal(requestRegs.Ext, ®sExt)
if err != nil {
return err
}
regsExt["gpp"], err = json.Marshal(&requestRegs.GPP)
if requestRegs.GPPSID != nil {
regsExt["gpp_sid"], err = json.Marshal(&requestRegs.GPPSID)
if err != nil {
return err
}
}
requestRegs.Ext, err = json.Marshal(®sExt)
if err != nil {
return err
}
requestRegs.GPP = ""
requestRegs.GPPSID = nil
request.Regs = &requestRegs
}
return nil
}
func validateBanner(banner *openrtb2.Banner) error {
if banner.W != nil && banner.H != nil {
if *banner.W == 0 || *banner.H == 0 {
return fmt.Errorf("Invalid sizes provided for Banner %dx%d", *banner.W, *banner.H)
}
return nil
}
if len(banner.Format) == 0 {
return fmt.Errorf("No sizes provided for Banner %v", banner.Format)
}
banner.W = ptrutil.ToPtr(banner.Format[0].W)
banner.H = ptrutil.ToPtr(banner.Format[0].H)
return nil
}
// Builder builds a new instance of the YahooAds adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
bidder := &adapter{
URI: config.Endpoint,
}
return bidder, nil
}