add adapter applovin

adapters/applovin/applovin.go

@@ -0,0 +1,147 @@
+package applovin
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+
+	"github.com/prebid/openrtb/v17/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 ApplovinAdapter struct {
+	endpoint string
+	token    string
+}
+
+func (a *ApplovinAdapter) MakeRequests(request *openrtb2.BidRequest, _ *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	headers := http.Header{}
+	headers.Add("Content-Type", "application/json;charset=utf-8")
+	headers.Add("Accept", "application/json")
+	headers.Add("X-Account-Key", a.token)
+	impressions := request.Imp
+	result := make([]*adapters.RequestData, 0, len(impressions))
+	errs := make([]error, 0, len(impressions))
+
+	for _, impression := range impressions {
+		if impression.Banner == nil && impression.Video == nil && impression.Native == nil {
+			errs = append(errs, &errortypes.BadInput{
+				Message: "Applovin only supports banner, video or native ads",
+			})
+			continue
+		}
+		if impression.Banner != nil {
+			if impression.Banner.W == nil || impression.Banner.H == nil || *impression.Banner.W == 0 || *impression.Banner.H == 0 {
+				if len(impression.Banner.Format) == 0 {
+					errs = append(errs, &errortypes.BadInput{
+						Message: "banner size information missing",
+					})
+					continue
+				}
+				banner := *impression.Banner
+				banner.W = openrtb2.Int64Ptr(banner.Format[0].W)
+				banner.H = openrtb2.Int64Ptr(banner.Format[0].H)
+				impression.Banner = &banner
+			}
+		}
+		if len(impression.Ext) == 0 {
+			errs = append(errs, errors.New("impression extensions required"))
+			continue
+		}
+		var bidderExt adapters.ExtImpBidder
+		err := json.Unmarshal(impression.Ext, &bidderExt)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		if len(bidderExt.Bidder) == 0 {
+			errs = append(errs, errors.New("bidder required"))
+			continue
+		}
+		var impressionExt openrtb_ext.ExtImpApplovin
+		err = json.Unmarshal(bidderExt.Bidder, &impressionExt)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		if impressionExt.TagID == "" {
+			errs = append(errs, errors.New("Applovin token required"))
+			continue
+		}
+		request.Imp = []openrtb2.Imp{impression}
+		body, err := json.Marshal(request)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		result = append(result, &adapters.RequestData{
+			Method:  "POST",
+			Uri:     a.endpoint,
+			Body:    body,
+			Headers: headers,
+		})
+	}
+
+	request.Imp = impressions
+
+	if len(result) == 0 {
+		return nil, errs
+	}
+	return result, errs
+}
+
+func (a *ApplovinAdapter) MakeBids(bidReq *openrtb2.BidRequest, adapterReq *adapters.RequestData, adapterResp *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if adapterResp.StatusCode != http.StatusOK {
+		if adapterResp.StatusCode == http.StatusNoContent {
+			return nil, nil
+		}
+		if adapterResp.StatusCode == http.StatusBadRequest {
+			return nil, []error{&errortypes.BadInput{
+				Message: fmt.Sprintf("Unexpected status code: %d", adapterResp.StatusCode),
+			}}
+		}
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Unexpected status code: %d", adapterResp.StatusCode),
+		}}
+	}
+
+	var bidResp openrtb2.BidResponse
+	if err := json.Unmarshal(adapterResp.Body, &bidResp); err != nil {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Failed to unmarshal bid response: %s", err.Error()),
+		}}
+	}
+
+	bidderResp := adapters.NewBidderResponseWithBidsCapacity(len(bidReq.Imp))
+	var errors []error
+
+	for _, seatbid := range bidResp.SeatBid {
+		for _, bid := range seatbid.Bid {
+			bidderResp.Bids = append(bidderResp.Bids, &adapters.TypedBid{
+				Bid:     &bid,
+				BidType: openrtb_ext.BidTypeBanner,
+			})
+			break
+		}
+	}
+
+	if bidResp.Cur != "" {
+		bidderResp.Currency = bidResp.Cur
+	}
+	return bidderResp, errors
+}
+
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	if config.AppSecret == "" {
+		return nil, errors.New("AppSecret is not configured. Did you set adapters.applovin.app_secret in the app config?")
+	}
+	bidder := &ApplovinAdapter{
+		endpoint: config.Endpoint,
+		token:    config.AppSecret,
+	}
+	return bidder, nil
+}

exchange/adapter_builders.go

@@ -32,6 +32,7 @@ import (
 	"github.com/prebid/prebid-server/adapters/amx"
 	"github.com/prebid/prebid-server/adapters/apacdex"
 	"github.com/prebid/prebid-server/adapters/applogy"
+	"github.com/prebid/prebid-server/adapters/applovin"
 	"github.com/prebid/prebid-server/adapters/appnexus"
 	"github.com/prebid/prebid-server/adapters/appush"
 	"github.com/prebid/prebid-server/adapters/audienceNetwork"
@@ -275,6 +276,7 @@ func newAdapterBuilders() map[openrtb_ext.BidderName]adapters.Builder {
 		openrtb_ext.BidderPangle:            pangle.Builder,
 		openrtb_ext.BidderPGAM:              adtelligent.Builder,
 		openrtb_ext.BidderPubmatic:          pubmatic.Builder,
+		openrtb_ext.BidderApplovin:          applovin.Builder,
 		openrtb_ext.BidderPubnative:         pubnative.Builder,
 		openrtb_ext.BidderPulsepoint:        pulsepoint.Builder,
 		openrtb_ext.BidderQuantumdex:        apacdex.Builder,

openrtb_ext/bidders.go

@@ -196,6 +196,7 @@ const (
 	BidderPangle            BidderName = "pangle"
 	BidderPGAM              BidderName = "pgam"
 	BidderPubmatic          BidderName = "pubmatic"
+	BidderApplovin          BidderName = "applovin"
 	BidderPubnative         BidderName = "pubnative"
 	BidderPulsepoint        BidderName = "pulsepoint"
 	BidderQuantumdex        BidderName = "quantumdex"
@@ -363,6 +364,7 @@ func CoreBidderNames() []BidderName {
 		BidderPangle,
 		BidderPGAM,
 		BidderPubmatic,
+		BidderApplovin,
 		BidderPubnative,
 		BidderPulsepoint,
 		BidderQuantumdex,

openrtb_ext/imp_applovin.go

@@ -0,0 +1,5 @@
+package openrtb_ext
+
+type ExtImpApplovin struct {
+	TagID string `json:"tagid"`
+}

static/bidder-info/applovin.yaml

@@ -0,0 +1,15 @@
+endpoint: "https://s2s.applovin.com/ad"
+disabled: true
+maintainer:
+  email: "support@applovin.com"
+capabilities:
+  app:
+    mediaTypes:
+      - banner
+      - video
+      - native
+  site:
+    mediaTypes:
+      - banner
+      - video
+      - native

static/bidder-params/applovin.json

@@ -0,0 +1,14 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "title": "Applovin Adapter Params",
+    "description": "A schema which validates params accepted by the Applovin adapter",
+    "type": "object",
+    "properties": {
+      "tagid": {
+        "type": "string",
+        "description": "Applovin token"
+      }
+    },
+    "required": ["tagid"]
+  }
+