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adocean.go
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adocean.go
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package adocean
import (
"encoding/json"
"errors"
"fmt"
"math/rand"
"net/http"
"net/url"
"regexp"
"sort"
"strconv"
"strings"
"text/template"
"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/macros"
"github.com/prebid/prebid-server/openrtb_ext"
)
const adapterVersion = "1.2.0"
const maxUriLength = 8000
const measurementCode = `
<script>
+function() {
var wu = "%s";
var su = "%s".replace(/\[TIMESTAMP\]/, Date.now());
if (wu && !(navigator.sendBeacon && navigator.sendBeacon(wu))) {
(new Image(1,1)).src = wu
}
if (su && !(navigator.sendBeacon && navigator.sendBeacon(su))) {
(new Image(1,1)).src = su
}
}();
</script>
`
type ResponseAdUnit struct {
ID string `json:"id"`
CrID string `json:"crid"`
Currency string `json:"currency"`
Price string `json:"price"`
Width string `json:"width"`
Height string `json:"height"`
Code string `json:"code"`
WinURL string `json:"winUrl"`
StatsURL string `json:"statsUrl"`
Error string `json:"error"`
}
type requestData struct {
Url *url.URL
Headers *http.Header
SlaveSizes map[string]string
}
// Builder builds a new instance of the AdOcean adapter for the given bidder with the given config.
func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (adapters.Bidder, error) {
endpointTemplate, err := template.New("endpointTemplate").Parse(config.Endpoint)
if err != nil {
return nil, errors.New("Unable to parse endpoint template")
}
whiteSpace := regexp.MustCompile(`\s+`)
bidder := &AdOceanAdapter{
endpointTemplate: *endpointTemplate,
measurementCode: whiteSpace.ReplaceAllString(measurementCode, " "),
}
return bidder, nil
}
type AdOceanAdapter struct {
endpointTemplate template.Template
measurementCode string
}
func (a *AdOceanAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
if len(request.Imp) == 0 {
return nil, []error{&errortypes.BadInput{
Message: "No impression in the bid request",
}}
}
consentString := ""
if request.User != nil {
var extUser openrtb_ext.ExtUser
if err := json.Unmarshal(request.User.Ext, &extUser); err == nil {
consentString = extUser.Consent
}
}
var errors []error
var err error
requestsData := make([]*requestData, 0, len(request.Imp))
for _, auction := range request.Imp {
requestsData, err = a.addNewBid(requestsData, &auction, request, consentString)
if err != nil {
errors = append(errors, err)
}
}
httpRequests := make([]*adapters.RequestData, 0, len(requestsData))
for _, requestData := range requestsData {
httpRequests = append(httpRequests, &adapters.RequestData{
Method: "GET",
Uri: requestData.Url.String(),
Headers: *requestData.Headers,
})
}
return httpRequests, errors
}
func (a *AdOceanAdapter) addNewBid(
requestsData []*requestData,
imp *openrtb2.Imp,
request *openrtb2.BidRequest,
consentString string,
) ([]*requestData, error) {
var bidderExt adapters.ExtImpBidder
if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
return requestsData, &errortypes.BadInput{
Message: "Error parsing bidderExt object",
}
}
var adOceanExt openrtb_ext.ExtImpAdOcean
if err := json.Unmarshal(bidderExt.Bidder, &adOceanExt); err != nil {
return requestsData, &errortypes.BadInput{
Message: "Error parsing adOceanExt parameters",
}
}
addedToExistingRequest := addToExistingRequest(requestsData, &adOceanExt, imp, (request.Test == 1))
if addedToExistingRequest {
return requestsData, nil
}
slaveSizes := map[string]string{}
slaveSizes[adOceanExt.SlaveID] = getImpSizes(imp)
url, err := a.makeURL(&adOceanExt, imp, request, slaveSizes, consentString)
if err != nil {
return requestsData, err
}
requestsData = append(requestsData, &requestData{
Url: url,
Headers: a.formHeaders(request),
SlaveSizes: slaveSizes,
})
return requestsData, nil
}
func addToExistingRequest(requestsData []*requestData, newParams *openrtb_ext.ExtImpAdOcean, imp *openrtb2.Imp, testImp bool) bool {
auctionID := imp.ID
for _, requestData := range requestsData {
queryParams := requestData.Url.Query()
masterID := queryParams["id"][0]
if masterID == newParams.MasterID {
if _, has := requestData.SlaveSizes[newParams.SlaveID]; has {
continue
}
queryParams.Add("aid", newParams.SlaveID+":"+auctionID)
requestData.SlaveSizes[newParams.SlaveID] = getImpSizes(imp)
setSlaveSizesParam(&queryParams, requestData.SlaveSizes, testImp)
newUrl := *(requestData.Url)
newUrl.RawQuery = queryParams.Encode()
if len(newUrl.String()) < maxUriLength {
requestData.Url = &newUrl
return true
}
delete(requestData.SlaveSizes, newParams.SlaveID)
}
}
return false
}
func (a *AdOceanAdapter) makeURL(
params *openrtb_ext.ExtImpAdOcean,
imp *openrtb2.Imp,
request *openrtb2.BidRequest,
slaveSizes map[string]string,
consentString string,
) (*url.URL, error) {
endpointParams := macros.EndpointTemplateParams{Host: params.EmitterDomain}
host, err := macros.ResolveMacros(a.endpointTemplate, endpointParams)
if err != nil {
return nil, &errortypes.BadInput{
Message: "Unable to parse endpoint url template: " + err.Error(),
}
}
endpointURL, err := url.Parse(host)
if err != nil {
return nil, &errortypes.BadInput{
Message: "Malformed URL: " + err.Error(),
}
}
randomizedPart := 10000000 + rand.Intn(99999999-10000000)
if request.Test == 1 {
randomizedPart = 10000000
}
endpointURL.Path = "/_" + strconv.Itoa(randomizedPart) + "/ad.json"
auctionID := imp.ID
queryParams := url.Values{}
queryParams.Add("pbsrv_v", adapterVersion)
queryParams.Add("id", params.MasterID)
queryParams.Add("nc", "1")
queryParams.Add("nosecure", "1")
queryParams.Add("aid", params.SlaveID+":"+auctionID)
if consentString != "" {
queryParams.Add("gdpr_consent", consentString)
queryParams.Add("gdpr", "1")
}
if request.User != nil && request.User.BuyerUID != "" {
queryParams.Add("hcuserid", request.User.BuyerUID)
}
if request.App != nil {
queryParams.Add("app", "1")
queryParams.Add("appname", request.App.Name)
queryParams.Add("appbundle", request.App.Bundle)
queryParams.Add("appdomain", request.App.Domain)
}
if request.Device != nil {
if request.Device.IFA != "" {
queryParams.Add("ifa", request.Device.IFA)
} else {
queryParams.Add("dpidmd5", request.Device.DPIDMD5)
}
queryParams.Add("devos", request.Device.OS)
queryParams.Add("devosv", request.Device.OSV)
queryParams.Add("devmodel", request.Device.Model)
queryParams.Add("devmake", request.Device.Make)
}
setSlaveSizesParam(&queryParams, slaveSizes, (request.Test == 1))
endpointURL.RawQuery = queryParams.Encode()
return endpointURL, nil
}
func (a *AdOceanAdapter) formHeaders(req *openrtb2.BidRequest) *http.Header {
headers := make(http.Header)
headers.Add("Content-Type", "application/json;charset=utf-8")
headers.Add("Accept", "application/json")
if req.Device != nil {
headers.Add("User-Agent", req.Device.UA)
if req.Device.IP != "" {
headers.Add("X-Forwarded-For", req.Device.IP)
} else if req.Device.IPv6 != "" {
headers.Add("X-Forwarded-For", req.Device.IPv6)
}
}
if req.Site != nil {
headers.Add("Referer", req.Site.Page)
}
return &headers
}
func getImpSizes(imp *openrtb2.Imp) string {
if imp.Banner == nil {
return ""
}
if len(imp.Banner.Format) > 0 {
sizes := make([]string, len(imp.Banner.Format))
for i, format := range imp.Banner.Format {
sizes[i] = strconv.FormatInt(format.W, 10) + "x" + strconv.FormatInt(format.H, 10)
}
return strings.Join(sizes, "_")
}
if imp.Banner.W != nil && imp.Banner.H != nil {
return strconv.FormatInt(*imp.Banner.W, 10) + "x" + strconv.FormatInt(*imp.Banner.H, 10)
}
return ""
}
func setSlaveSizesParam(queryParams *url.Values, slaveSizes map[string]string, orderByKey bool) {
sizeValues := make([]string, 0, len(slaveSizes))
slaveIDs := make([]string, 0, len(slaveSizes))
for k := range slaveSizes {
slaveIDs = append(slaveIDs, k)
}
if orderByKey {
sort.Strings(slaveIDs)
}
for _, slaveID := range slaveIDs {
sizes := slaveSizes[slaveID]
if sizes == "" {
continue
}
rawSlaveID := strings.Replace(slaveID, "adocean", "", 1)
sizeValues = append(sizeValues, rawSlaveID+"~"+sizes)
}
if len(sizeValues) > 0 {
queryParams.Set("aosspsizes", strings.Join(sizeValues, "-"))
}
}
func (a *AdOceanAdapter) MakeBids(
internalRequest *openrtb2.BidRequest,
externalRequest *adapters.RequestData,
response *adapters.ResponseData,
) (*adapters.BidderResponse, []error) {
if response.StatusCode != http.StatusOK {
return nil, []error{fmt.Errorf("Unexpected status code: %d. Network error?", response.StatusCode)}
}
requestURL, _ := url.Parse(externalRequest.Uri)
queryParams := requestURL.Query()
auctionIDs := queryParams["aid"]
bidResponses := make([]ResponseAdUnit, 0)
if err := json.Unmarshal(response.Body, &bidResponses); err != nil {
return nil, []error{err}
}
var parsedResponses = adapters.NewBidderResponseWithBidsCapacity(len(auctionIDs))
var errors []error
var slaveToAuctionIDMap = make(map[string]string, len(auctionIDs))
for _, auctionFullID := range auctionIDs {
auctionIDsSlice := strings.SplitN(auctionFullID, ":", 2)
slaveToAuctionIDMap[auctionIDsSlice[0]] = auctionIDsSlice[1]
}
for _, bid := range bidResponses {
if auctionID, found := slaveToAuctionIDMap[bid.ID]; found {
if bid.Error == "true" {
continue
}
price, _ := strconv.ParseFloat(bid.Price, 64)
width, _ := strconv.ParseInt(bid.Width, 10, 64)
height, _ := strconv.ParseInt(bid.Height, 10, 64)
adCode, err := a.prepareAdCodeForBid(bid)
if err != nil {
errors = append(errors, err)
continue
}
parsedResponses.Bids = append(parsedResponses.Bids, &adapters.TypedBid{
Bid: &openrtb2.Bid{
ID: bid.ID,
ImpID: auctionID,
Price: price,
AdM: adCode,
CrID: bid.CrID,
W: width,
H: height,
},
BidType: openrtb_ext.BidTypeBanner,
})
parsedResponses.Currency = bid.Currency
}
}
return parsedResponses, errors
}
func (a *AdOceanAdapter) prepareAdCodeForBid(bid ResponseAdUnit) (string, error) {
sspCode, err := url.QueryUnescape(bid.Code)
if err != nil {
return "", err
}
adCode := fmt.Sprintf(a.measurementCode, bid.WinURL, bid.StatsURL) + sspCode
return adCode, nil
}