/
flipp.go
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/
flipp.go
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package flipp
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"strings"
"github.com/buger/jsonparser"
"github.com/gofrs/uuid"
"github.com/prebid/openrtb/v19/openrtb2"
"github.com/prebid/prebid-server/adapters"
"github.com/prebid/prebid-server/config"
"github.com/prebid/prebid-server/openrtb_ext"
)
const (
bannerType = "banner"
inlineDivName = "inline"
flippBidder = "flipp"
defaultCurrency = "USD"
)
var (
count int64 = 1
adTypes = []int64{4309, 641}
dtxTypes = []int64{5061}
)
type adapter struct {
endpoint string
}
// Builder builds a new instance of the Flipp 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{
endpoint: config.Endpoint,
}
return bidder, nil
}
func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
adapterRequests := make([]*adapters.RequestData, 0, len(request.Imp))
var errors []error
for _, imp := range request.Imp {
adapterReq, err := a.processImp(request, imp)
if err != nil {
errors = append(errors, err)
continue
}
adapterRequests = append(adapterRequests, adapterReq)
}
if len(adapterRequests) == 0 {
return nil, append(errors, fmt.Errorf("adapterRequest is empty"))
}
return adapterRequests, errors
}
func (a *adapter) makeRequest(request *openrtb2.BidRequest, campaignRequestBody CampaignRequestBody) (*adapters.RequestData, error) {
campaignRequestBodyJSON, err := json.Marshal(campaignRequestBody)
if err != nil {
return nil, err
}
headers := http.Header{}
headers.Add("Content-Type", "application/json")
if request.Device != nil && request.Device.UA != "" {
headers.Add("User-Agent", request.Device.UA)
}
return &adapters.RequestData{
Method: http.MethodPost,
Uri: a.endpoint,
Body: campaignRequestBodyJSON,
Headers: headers,
}, err
}
func (a *adapter) processImp(request *openrtb2.BidRequest, imp openrtb2.Imp) (*adapters.RequestData, error) {
var flippExtParams openrtb_ext.ImpExtFlipp
params, _, _, err := jsonparser.Get(imp.Ext, "bidder")
if err != nil {
return nil, fmt.Errorf("flipp params not found. %v", err)
}
err = json.Unmarshal(params, &flippExtParams)
if err != nil {
return nil, fmt.Errorf("unable to extract flipp params. %v", err)
}
publisherUrl, err := url.Parse(request.Site.Page)
if err != nil {
return nil, fmt.Errorf("unable to parse site url. %v", err)
}
var contentCode string
if flippExtParams.Options.ContentCode != "" {
contentCode = flippExtParams.Options.ContentCode
} else if publisherUrl != nil {
contentCode = publisherUrl.Query().Get("flipp-content-code")
}
placement := Placement{
DivName: inlineDivName,
SiteID: &flippExtParams.SiteID,
AdTypes: getAdTypes(flippExtParams.CreativeType),
ZoneIds: flippExtParams.ZoneIds,
Count: &count,
Prebid: buildPrebidRequest(flippExtParams, request, imp),
Properties: &Properties{
ContentCode: &contentCode,
},
Options: flippExtParams.Options,
}
var userIP string
if flippExtParams.IP != "" {
userIP = flippExtParams.IP
} else if request.Device != nil && request.Device.IP != "" {
userIP = request.Device.IP
} else {
return nil, fmt.Errorf("no IP set in flipp bidder params or request device")
}
var userKey string
if request.User != nil && request.User.ID != "" {
userKey = request.User.ID
} else if flippExtParams.UserKey != "" {
userKey = flippExtParams.UserKey
} else {
uid, err := uuid.NewV4()
if err != nil {
return nil, fmt.Errorf("unable to generate user uuid. %v", err)
}
userKey = uid.String()
}
keywordsArray := strings.Split(request.Site.Keywords, ",")
campaignRequestBody := CampaignRequestBody{
Placements: []*Placement{&placement},
URL: request.Site.Page,
Keywords: keywordsArray,
IP: userIP,
User: &CampaignRequestBodyUser{
Key: &userKey,
},
}
adapterReq, err := a.makeRequest(request, campaignRequestBody)
if err != nil {
return nil, fmt.Errorf("make request failed with err %v", err)
}
return adapterReq, nil
}
func buildPrebidRequest(flippExtParams openrtb_ext.ImpExtFlipp, request *openrtb2.BidRequest, imp openrtb2.Imp) *PrebidRequest {
var height int64
var width int64
if imp.Banner != nil && len(imp.Banner.Format) > 0 {
height = imp.Banner.Format[0].H
width = imp.Banner.Format[0].W
}
prebidRequest := PrebidRequest{
CreativeType: &flippExtParams.CreativeType,
PublisherNameIdentifier: &flippExtParams.PublisherNameIdentifier,
RequestID: &imp.ID,
Height: &height,
Width: &width,
}
return &prebidRequest
}
func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
if adapters.IsResponseStatusCodeNoContent(responseData) {
return nil, nil
}
if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
return nil, []error{err}
}
var campaignResponseBody CampaignResponseBody
if err := json.Unmarshal(responseData.Body, &campaignResponseBody); err != nil {
return nil, []error{err}
}
bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
bidResponse.Currency = defaultCurrency
for _, imp := range request.Imp {
for _, decision := range campaignResponseBody.Decisions.Inline {
if *decision.Prebid.RequestID == imp.ID {
b := &adapters.TypedBid{
Bid: buildBid(decision, imp.ID),
BidType: openrtb_ext.BidType(bannerType),
}
bidResponse.Bids = append(bidResponse.Bids, b)
}
}
}
return bidResponse, nil
}
func getAdTypes(creativeType string) []int64 {
if creativeType == "DTX" {
return dtxTypes
}
return adTypes
}
func buildBid(decision *InlineModel, impId string) *openrtb2.Bid {
bid := &openrtb2.Bid{
CrID: fmt.Sprint(decision.CreativeID),
Price: *decision.Prebid.Cpm,
AdM: *decision.Prebid.Creative,
ID: fmt.Sprint(decision.AdID),
ImpID: impId,
}
if len(decision.Contents) > 0 || decision.Contents[0] != nil || decision.Contents[0].Data != nil {
if decision.Contents[0].Data.Width != 0 {
bid.W = decision.Contents[0].Data.Width
}
bid.H = 0
}
return bid
}