New bid adapter: Adverxo

adapters/adverxo/adverxo.go

@@ -0,0 +1,226 @@
+package adverxo
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+	"text/template"
+
+	"github.com/buger/jsonparser"
+	"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/macros"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+)
+
+type adapter struct {
+	endpointTemplate *template.Template
+}
+
+// Builder builds a new instance of the Adverxo adapter for the given bidder with the given config.
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	urlTemplate, err := template.New("endpointTemplate").Parse(config.Endpoint)
+
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse endpoint url template: %v", err)
+	}
+
+	bidder := &adapter{
+		endpointTemplate: urlTemplate,
+	}
+
+	return bidder, nil
+}
+
+func (adapter *adapter) MakeRequests(request *openrtb2.BidRequest, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	var (
+		result []*adapters.RequestData
+		errors []error
+	)
+
+	for i := range request.Imp {
+		imp := request.Imp[i]
+
+		adUnitParams, err := getAdUnitsParams(imp)
+		if err != nil {
+			errors = append(errors, err)
+			continue
+		}
+
+		endpointUrl, err := adapter.buildEndpointURL(adUnitParams)
+		if err != nil {
+			errors = append(errors, err)
+			continue
+		}
+
+		err = modifyImp(&imp, requestInfo)
+		if err != nil {
+			errors = append(errors, err)
+			continue
+		}
+
+		thisRequest := makeRequestCopyWithImp(request, imp)
+		thisRequestBody, err := json.Marshal(thisRequest)
+
+		if err != nil {
+			errors = append(errors, err)
+			continue
+		}
+
+		result = append(result, &adapters.RequestData{
+			Method: "POST",
+			Uri:    endpointUrl,
+			Body:   thisRequestBody,
+			ImpIDs: []string{imp.ID},
+		})
+	}
+
+	return result, errors
+}
+
+func (adapter *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	if responseData.StatusCode == http.StatusNoContent {
+		return nil, nil
+	}
+
+	if responseData.StatusCode != http.StatusOK {
+		err := &errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info.", responseData.StatusCode),
+		}
+		return nil, []error{err}
+	}
+
+	var response openrtb2.BidResponse
+	if err := json.Unmarshal(responseData.Body, &response); err != nil {
+		return nil, []error{err}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
+	bidResponse.Currency = response.Cur
+
+	for _, seatBid := range response.SeatBid {
+		for _, bid := range seatBid.Bid {
+			bid := bid
+			bidType, err := getMediaTypeForBid(&bid)
+			if err != nil {
+				return nil, []error{err}
+			}
+
+			// for native bid responses fix Adm field
+			if bidType == openrtb_ext.BidTypeNative {
+				bid.AdM, err = getNativeAdm(bid.AdM)
+				if err != nil {
+					return nil, []error{err}
+				}
+			}
+
+			resolveMacros(&bid)
+
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     &bid,
+				BidType: bidType,
+			})
+		}
+	}
+
+	return bidResponse, nil
+}
+
+func getAdUnitsParams(imp openrtb2.Imp) (*openrtb_ext.ImpExtAdverxo, error) {
+	var ext adapters.ExtImpBidder
+
+	if err := json.Unmarshal(imp.Ext, &ext); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: fmt.Sprintf("imp %s: unable to unmarshal ext", imp.ID),
+		}
+	}
+
+	var adverxoExt openrtb_ext.ImpExtAdverxo
+	if err := json.Unmarshal(ext.Bidder, &adverxoExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: fmt.Sprintf("imp %s: unable to unmarshal ext.bidder: %v", imp.ID, err),
+		}
+	}
+
+	return &adverxoExt, nil
+}
+
+func modifyImp(imp *openrtb2.Imp, requestInfo *adapters.ExtraRequestInfo) error {
+	if imp.BidFloor > 0 && imp.BidFloorCur != "" && strings.ToUpper(imp.BidFloorCur) != "USD" {
+		// Convert to US dollars
+		convertedValue, err := requestInfo.ConvertCurrency(imp.BidFloor, imp.BidFloorCur, "USD")
+		if err != nil {
+			return err
+		}
+
+		// Update after conversion. All imp elements inside request.Imp are shallow copies
+		// therefore, their non-pointer values are not shared memory and are safe to modify.
+		imp.BidFloorCur = "USD"
+		imp.BidFloor = convertedValue
+	}
+
+	return nil
+}
+
+func makeRequestCopyWithImp(request *openrtb2.BidRequest, imp openrtb2.Imp) openrtb2.BidRequest {
+	requestCopy := *request
+	requestCopy.Imp = []openrtb2.Imp{imp}
+
+	return requestCopy
+}
+
+func (adapter *adapter) buildEndpointURL(params *openrtb_ext.ImpExtAdverxo) (string, error) {
+	endpointParams := macros.EndpointTemplateParams{
+		AdUnit:  strconv.Itoa(params.AdUnitId),
+		TokenID: params.Auth,
+	}
+
+	return macros.ResolveMacros(adapter.endpointTemplate, endpointParams)
+}
+
+func getMediaTypeForBid(bid *openrtb2.Bid) (openrtb_ext.BidType, error) {
+	switch bid.MType {
+	case openrtb2.MarkupBanner:
+		return openrtb_ext.BidTypeBanner, nil
+	case openrtb2.MarkupNative:
+		return openrtb_ext.BidTypeNative, nil
+	case openrtb2.MarkupVideo:
+		return openrtb_ext.BidTypeVideo, nil
+	default:
+		return "", &errortypes.BadServerResponse{
+			Message: fmt.Sprintf("unsupported MType %d", bid.MType),
+		}
+	}
+}
+
+func getNativeAdm(adm string) (string, error) {
+	nativeAdm := make(map[string]interface{})
+	err := json.Unmarshal([]byte(adm), &nativeAdm)
+	if err != nil {
+		return adm, errors.New("unable to unmarshal native adm")
+	}
+
+	// move bid.adm.native to bid.adm
+	if _, ok := nativeAdm["native"]; ok {
+		//using jsonparser to avoid marshaling, encode escape, etc.
+		value, dataType, _, err := jsonparser.Get([]byte(adm), string(openrtb_ext.BidTypeNative))
+		if err != nil || dataType != jsonparser.Object {
+			return adm, errors.New("unable to get native adm")
+		}
+		adm = string(value)
+	}
+
+	return adm, nil
+}
+
+func resolveMacros(bid *openrtb2.Bid) {
+	if bid != nil {
+		price := strconv.FormatFloat(bid.Price, 'f', -1, 64)
+		bid.AdM = strings.Replace(bid.AdM, "${AUCTION_PRICE}", price, -1)
+	}
+}

adapters/adverxo/adverxo_test.go

@@ -0,0 +1,28 @@
+package adverxo
+
+import (
+	"testing"
+
+	"github.com/prebid/prebid-server/v2/adapters/adapterstest"
+	"github.com/prebid/prebid-server/v2/config"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(openrtb_ext.BidderAdverxo, config.Adapter{
+		Endpoint: "https://example.com/auction?id={{.AdUnit}}&auth={{.TokenID}}"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "adverxotest", bidder)
+}
+
+func TestEndpointTemplateMalformed(t *testing.T) {
+	_, buildErr := Builder(openrtb_ext.BidderAdverxo, config.Adapter{
+		Endpoint: "{{Malformed}}"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	assert.Error(t, buildErr)
+}

adapters/adverxo/adverxotest/exemplary/banner.json

@@ -0,0 +1,116 @@
+{
+  "mockBidRequest": {
+    "id": "request_id",
+    "imp": [
+      {
+        "id": "imp_id",
+        "banner": {
+          "w": 300,
+          "h": 600
+        },
+        "ext": {
+          "bidder": {
+            "adUnitId": 520,
+            "auth": "tokenExample1"
+          }
+        }
+      }
+    ],
+    "site": {
+      "domain": "www.example.com",
+      "page": "http://www.example.com"
+    },
+    "cur": [
+      "USD"
+    ],
+    "device": {
+      "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36",
+      "ip": "127.0.0.1",
+      "language": "EN"
+    },
+    "tmax": 500
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://example.com/auction?id=520&auth=tokenExample1",
+        "body": {
+          "id": "request_id",
+          "imp": [
+            {
+              "id": "imp_id",
+              "banner": {
+                "w": 300,
+                "h": 600
+              },
+              "ext": {
+                "bidder": {
+                  "adUnitId": 520,
+                  "auth": "tokenExample1"
+                }
+              }
+            }
+          ],
+          "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com"
+          },
+          "cur": [
+            "USD"
+          ],
+          "device": {
+            "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36",
+            "ip": "127.0.0.1",
+            "language": "EN"
+          },
+          "tmax": 500
+        },
+        "impIDs":["imp_id"]
+      },
+      "mockResponse": {
+        "status": 200,
+        "headers": {},
+        "body": {
+          "id": "request_id",
+          "seatbid": [
+            {
+              "bid": [
+                {
+                  "id": "bid_id",
+                  "impid": "imp_id",
+                  "price": 1.25,
+                  "crid": "crid",
+                  "adm": "<html>content</html>",
+                  "h": 600,
+                  "w": 300,
+                  "mtype": 1
+                }
+              ]
+            }
+          ],
+          "bidid": "bid_id",
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "bids": [
+        {
+          "bid": {
+            "id": "bid_id",
+            "impid": "imp_id",
+            "price": 1.25,
+            "adm": "<html>content</html>",
+            "crid": "crid",
+            "w": 300,
+            "h": 600,
+            "mtype": 1
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+}