New Adapter: Escalax (prebid#3798)

adapters/escalax/escalax.go

@@ -0,0 +1,162 @@
+package escalax
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"text/template"
+
+	"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 {
+	endpoint *template.Template
+}
+
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	template, err := template.New("endpointTemplate").Parse(config.Endpoint)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse endpoint url template: %v", err)
+	}
+
+	bidder := &adapter{
+		endpoint: template,
+	}
+	return bidder, nil
+}
+
+func getHeaders(request *openrtb2.BidRequest) http.Header {
+	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 {
+		if len(request.Device.UA) > 0 {
+			headers.Add("User-Agent", request.Device.UA)
+		}
+
+		if len(request.Device.IPv6) > 0 {
+			headers.Add("X-Forwarded-For", request.Device.IPv6)
+		}
+
+		if len(request.Device.IP) > 0 {
+			headers.Add("X-Forwarded-For", request.Device.IP)
+		}
+	}
+
+	return headers
+}
+
+func (a *adapter) MakeRequests(openRTBRequest *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) (requestsToBidder []*adapters.RequestData, errs []error) {
+	escalaxExt, err := getImpressionExt(&openRTBRequest.Imp[0])
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	openRTBRequest.Imp[0].Ext = nil
+
+	url, err := a.buildEndpointURL(escalaxExt)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	reqJSON, err := json.Marshal(openRTBRequest)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	return []*adapters.RequestData{{
+		Method:  http.MethodPost,
+		Body:    reqJSON,
+		Uri:     url,
+		Headers: getHeaders(openRTBRequest),
+		ImpIDs:  openrtb_ext.GetImpIDs(openRTBRequest.Imp),
+	}}, nil
+}
+
+func getImpressionExt(imp *openrtb2.Imp) (*openrtb_ext.ExtEscalax, error) {
+	var bidderExt adapters.ExtImpBidder
+	if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: "Error parsing escalaxExt - " + err.Error(),
+		}
+	}
+	var escalaxExt openrtb_ext.ExtEscalax
+	if err := json.Unmarshal(bidderExt.Bidder, &escalaxExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: "Error parsing bidderExt - " + err.Error(),
+		}
+	}
+
+	return &escalaxExt, nil
+}
+
+func (a *adapter) buildEndpointURL(params *openrtb_ext.ExtEscalax) (string, error) {
+	endpointParams := macros.EndpointTemplateParams{AccountID: params.AccountID, SourceId: params.SourceID}
+	return macros.ResolveMacros(a.endpoint, endpointParams)
+}
+
+func (a *adapter) MakeBids(openRTBRequest *openrtb2.BidRequest, requestToBidder *adapters.RequestData, bidderRawResponse *adapters.ResponseData) (bidderResponse *adapters.BidderResponse, errs []error) {
+	if adapters.IsResponseStatusCodeNoContent(bidderRawResponse) {
+		return nil, nil
+	}
+
+	if err := adapters.CheckResponseStatusCodeForErrors(bidderRawResponse); err != nil {
+		return nil, []error{err}
+	}
+
+	responseBody := bidderRawResponse.Body
+	var bidResp openrtb2.BidResponse
+	if err := json.Unmarshal(responseBody, &bidResp); err != nil {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Bad Server Response",
+		}}
+	}
+
+	if len(bidResp.SeatBid) == 0 {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Empty SeatBid array",
+		}}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(5)
+	var bidsArray []*adapters.TypedBid
+
+	for _, sb := range bidResp.SeatBid {
+		for idx, bid := range sb.Bid {
+			bidType, err := determineImpressionMediaType(bid)
+			if err != nil {
+				return nil, []error{err}
+			}
+
+			bidsArray = append(bidsArray, &adapters.TypedBid{
+				Bid:     &sb.Bid[idx],
+				BidType: bidType,
+			})
+		}
+	}
+
+	bidResponse.Bids = bidsArray
+	return bidResponse, nil
+}
+
+func determineImpressionMediaType(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
+	switch bid.MType {
+	case openrtb2.MarkupBanner:
+		return openrtb_ext.BidTypeBanner, nil
+	case openrtb2.MarkupVideo:
+		return openrtb_ext.BidTypeVideo, nil
+	case openrtb2.MarkupNative:
+		return openrtb_ext.BidTypeNative, nil
+	default:
+		return "", &errortypes.BadInput{
+			Message: fmt.Sprintf("unsupported MType %d", bid.MType),
+		}
+	}
+}

adapters/escalax/escalax_test.go

@@ -0,0 +1,28 @@
+package escalax
+
+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.BidderEscalax, config.Adapter{
+		Endpoint: "http://bidder_us.escalax.io/?partner={{.SourceId}}&token={{.AccountID}}&type=pbs"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "escalaxtest", bidder)
+}
+
+func TestEndpointTemplateMalformed(t *testing.T) {
+	_, buildErr := Builder(openrtb_ext.BidderEscalax, config.Adapter{
+		Endpoint: "{{Malformed}}"}, config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"})
+
+	assert.Error(t, buildErr)
+}

adapters/escalax/escalaxtest/exemplary/banner-app.json

@@ -0,0 +1,155 @@
+{
+  "mockBidRequest": {
+    "id": "some-request-id",
+    "device": {
+      "ua": "test-user-agent",
+      "ip": "123.123.123.123",
+      "language": "en",
+      "dnt": 0
+    },
+    "tmax": 1000,
+    "user": {
+      "buyeruid": "awesome-user"
+    },
+    "app": {
+      "publisher": {
+        "id": "123456789"
+      },
+      "cat": [
+        "IAB22-1"
+      ],
+      "bundle": "com.app.awesome",
+      "name": "Awesome App",
+      "domain": "awesomeapp.com",
+      "id": "123456789"
+    },
+    "imp": [
+      {
+        "id": "1",
+        "tagid": "ogTAGID",
+        "banner": {
+          "w": 320,
+          "h": 50
+        },
+        "ext": {
+          "bidder": {
+            "accountId": "accountId",
+            "sourceId": "sourceId"
+          }
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "headers": {
+          "Content-Type": [
+            "application/json;charset=utf-8"
+          ],
+          "Accept": [
+            "application/json"
+          ],
+          "X-Openrtb-Version": [
+            "2.5"
+          ],
+          "User-Agent": [
+            "test-user-agent"
+          ],
+          "X-Forwarded-For": [
+            "123.123.123.123"
+          ]
+        },
+        "uri": "http://bidder_us.escalax.io/?partner=sourceId&token=accountId&type=pbs",
+        "body": {
+          "id": "some-request-id",
+          "device": {
+            "ua": "test-user-agent",
+            "ip": "123.123.123.123",
+            "language": "en",
+            "dnt": 0
+          },
+          "imp": [
+            {
+              "id": "1",
+              "banner": {
+                "w": 320,
+                "h": 50
+              },
+              "tagid": "ogTAGID"
+            }
+          ],
+          "app": {
+            "id": "123456789",
+            "name": "Awesome App",
+            "bundle": "com.app.awesome",
+            "domain": "awesomeapp.com",
+            "cat": [
+              "IAB22-1"
+            ],
+            "publisher": {
+              "id": "123456789"
+            }
+          },
+          "user": {
+            "buyeruid": "awesome-user"
+          },
+          "tmax": 1000
+        },
+        "impIDs": [
+          "1"
+        ]
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "awesome-resp-id",
+          "seatbid": [
+            {
+              "bid": [
+                {
+                  "id": "a3ae1b4e2fc24a4fb45540082e98e161",
+                  "impid": "1",
+                  "price": 3.5,
+                  "adm": "awesome-markup",
+                  "adomain": [
+                    "awesome.com"
+                  ],
+                  "crid": "20",
+                  "w": 320,
+                  "h": 50,
+                  "mtype": 1
+                }
+              ],
+              "type": "banner",
+              "seat": "escalax"
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "bids": [
+        {
+          "bid": {
+            "id": "a3ae1b4e2fc24a4fb45540082e98e161",
+            "impid": "1",
+            "price": 3.5,
+            "adm": "awesome-markup",
+            "adomain": [
+              "awesome.com"
+            ],
+            "crid": "20",
+            "w": 320,
+            "h": 50,
+            "mtype": 1
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+}