New Adapter: Aniview

adapters/aniview/aniview.go

@@ -0,0 +1,199 @@
+package aniview
+
+import (
+	"bytes"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/prebid/openrtb/v20/openrtb2"
+	"github.com/prebid/prebid-server/v4/adapters"
+	"github.com/prebid/prebid-server/v4/config"
+	"github.com/prebid/prebid-server/v4/errortypes"
+	"github.com/prebid/prebid-server/v4/openrtb_ext"
+	"github.com/prebid/prebid-server/v4/util/jsonutil"
+)
+
+type adapter struct {
+	endpoint string
+}
+
+type aniviewExt struct {
+	PBS int `json:"pbs"`
+}
+
+// Builder builds a new instance of the Aniview 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, requestInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
+	var requests []*adapters.RequestData
+	var errors []error
+
+	requestExt, err := buildRequestExt(request.Ext)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	// One outgoing request per imp and per media type, mirroring the Prebid.js adapter.
+	for _, imp := range request.Imp {
+		impExt, err := extractImpExt(&imp)
+		if err != nil {
+			errors = append(errors, err)
+			continue
+		}
+
+		imp.TagID = strings.TrimSpace(impExt.ChannelId)
+
+		for _, singleTypeImp := range splitImpByMediaType(imp) {
+			requestCopy := *request
+			requestCopy.Imp = []openrtb2.Imp{singleTypeImp}
+			requestCopy.Ext = requestExt
+
+			requestJSON, err := jsonutil.Marshal(&requestCopy)
+			if err != nil {
+				errors = append(errors, fmt.Errorf("marshal bidRequest: %w", err))
+				continue
+			}
+
+			// Headers must be a fresh map per request: RequestData.Headers is
+			// mutable and shared maps would leak mutations across requests.
+			headers := http.Header{}
+			headers.Add("Content-Type", "application/json;charset=utf-8")
+			headers.Add("Accept", "application/json")
+
+			requests = append(requests, &adapters.RequestData{
+				Method:  "POST",
+				Uri:     a.endpoint,
+				Body:    requestJSON,
+				Headers: headers,
+				ImpIDs:  []string{singleTypeImp.ID},
+			})
+		}
+	}
+
+	return requests, errors
+}
+
+// buildRequestExt merges ext.aniview into the existing request.ext, preserving
+// whatever PBS core has put there.
+func buildRequestExt(requestExt []byte) ([]byte, error) {
+	extMap := map[string]interface{}{}
+	if len(requestExt) > 0 {
+		if err := jsonutil.Unmarshal(requestExt, &extMap); err != nil {
+			return nil, fmt.Errorf("unmarshal request.ext: %w", err)
+		}
+	}
+
+	extMap["aniview"] = aniviewExt{PBS: 1}
+
+	ext, err := jsonutil.Marshal(extMap)
+	if err != nil {
+		return nil, fmt.Errorf("marshal request.ext: %w", err)
+	}
+	return ext, nil
+}
+
+// splitImpByMediaType returns one imp per media type, so each outgoing request
+// carries a single media type, as the Aniview endpoint expects.
+func splitImpByMediaType(imp openrtb2.Imp) []openrtb2.Imp {
+	if imp.Video == nil || imp.Banner == nil {
+		return []openrtb2.Imp{imp}
+	}
+
+	videoImp := imp
+	videoImp.Banner = nil
+	bannerImp := imp
+	bannerImp.Video = nil
+	return []openrtb2.Imp{videoImp, bannerImp}
+}
+
+func extractImpExt(imp *openrtb2.Imp) (*openrtb_ext.ImpExtAniview, error) {
+	var bidderExt adapters.ExtImpBidder
+	if err := jsonutil.Unmarshal(imp.Ext, &bidderExt); err != nil {
+		return nil, fmt.Errorf("unmarshal bidderExt: %w", err)
+	}
+
+	var impExt openrtb_ext.ImpExtAniview
+	if err := jsonutil.Unmarshal(bidderExt.Bidder, &impExt); err != nil {
+		return nil, fmt.Errorf("unmarshal ImpExtAniview: %w", err)
+	}
+
+	if strings.TrimSpace(impExt.ChannelId) == "" {
+		return nil, &errortypes.BadInput{
+			Message: fmt.Sprintf("Missing AV_CHANNELID for imp: %s", imp.ID),
+		}
+	}
+	return &impExt, nil
+}
+
+func (a *adapter) MakeBids(request *openrtb2.BidRequest, requestData *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	var errs []error
+
+	if adapters.IsResponseStatusCodeNoContent(responseData) {
+		return nil, nil
+	}
+
+	if err := adapters.CheckResponseStatusCodeForErrors(responseData); err != nil {
+		return nil, []error{err}
+	}
+
+	// The exchange may answer a no-bid as 200 with an empty/whitespace body.
+	if len(bytes.TrimSpace(responseData.Body)) == 0 {
+		return nil, nil
+	}
+
+	var response openrtb2.BidResponse
+	if err := jsonutil.Unmarshal(responseData.Body, &response); err != nil {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: fmt.Sprintf("bad server response: %s", err),
+		}}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(response.SeatBid))
+
+	if response.Cur != "" {
+		bidResponse.Currency = response.Cur
+	}
+
+	for _, seatBid := range response.SeatBid {
+		for i, bid := range seatBid.Bid {
+			// Mirror the Prebid.js adapter: a bid without markup or a VAST url is unusable.
+			if bid.AdM == "" && bid.NURL == "" {
+				continue
+			}
+
+			bidType, err := getMediaTypeForBid(&bid)
+			if err != nil {
+				errs = append(errs, err)
+				continue
+			}
+
+			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+				Bid:     &seatBid.Bid[i],
+				BidType: bidType,
+			})
+		}
+	}
+
+	return bidResponse, errs
+}
+
+// getMediaTypeForBid resolves the bid media type from bid.mtype, which the
+// exchange sets explicitly on every bid.
+func getMediaTypeForBid(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
+	default:
+		return "", &errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Could not define bid type for imp: %s", bid.ImpID),
+		}
+	}
+}

adapters/aniview/aniview_test.go

@@ -0,0 +1,48 @@
+package aniview
+
+import (
+	"testing"
+
+	"github.com/prebid/prebid-server/v4/adapters"
+	"github.com/prebid/prebid-server/v4/adapters/adapterstest"
+	"github.com/prebid/prebid-server/v4/config"
+	"github.com/prebid/prebid-server/v4/openrtb_ext"
+)
+
+func TestBuildRequestExtInvalid(t *testing.T) {
+	if _, err := buildRequestExt([]byte(`"not-an-object"`)); err == nil {
+		t.Error("expected error for non-object request.ext")
+	}
+	ext, err := buildRequestExt([]byte(`{"prebid":{"debug":true}}`))
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if string(ext) == "" {
+		t.Error("expected merged ext")
+	}
+}
+
+func TestMakeBidsEmptyBody(t *testing.T) {
+	bidder, _ := Builder(openrtb_ext.BidderAniview, config.Adapter{Endpoint: "https://rtb.aniview.com/sspRTB2"}, config.Server{})
+	for _, body := range []string{"", "\n", "  \n"} {
+		resp, errs := bidder.(*adapter).MakeBids(nil, &adapters.RequestData{Body: []byte("{}")}, &adapters.ResponseData{StatusCode: 200, Body: []byte(body)})
+		if resp != nil || errs != nil {
+			t.Errorf("empty body %q should be a silent no-bid, got resp=%v errs=%v", body, resp, errs)
+		}
+	}
+}
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(openrtb_ext.BidderAniview, config.Adapter{
+		Endpoint: "https://rtb.aniview.com/sspRTB2",
+	},
+		config.Server{
+			ExternalUrl: "http://hosturl.com", GvlID: 780, DataCenter: "2",
+		})
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "aniviewtest", bidder)
+}

adapters/aniview/aniviewtest/exemplary/banner.json

@@ -0,0 +1,106 @@
+{
+  "mockBidRequest": {
+    "id": "banner-request-id",
+    "site": {
+      "page": "https://publisher.com/page"
+    },
+    "imp": [
+      {
+        "id": "banner-imp-id",
+        "banner": {
+          "w": 300,
+          "h": 250,
+          "format": [{"w": 300, "h": 250}]
+        },
+        "ext": {
+          "bidder": {
+            "AV_PUBLISHERID": "1234567890abcdef12345678",
+            "AV_CHANNELID": "abcdef1234567890abcdef12"
+          }
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://rtb.aniview.com/sspRTB2",
+        "body": {
+          "id": "banner-request-id",
+          "site": {
+            "page": "https://publisher.com/page"
+          },
+          "imp": [
+            {
+              "id": "banner-imp-id",
+              "tagid": "abcdef1234567890abcdef12",
+              "banner": {
+                "w": 300,
+                "h": 250,
+                "format": [{"w": 300, "h": 250}]
+              },
+              "ext": {
+                "bidder": {
+                  "AV_PUBLISHERID": "1234567890abcdef12345678",
+                  "AV_CHANNELID": "abcdef1234567890abcdef12"
+                }
+              }
+            }
+          ],
+          "ext": {
+            "aniview": {
+              "pbs": 1
+            }
+          }
+        },
+        "impIDs": ["banner-imp-id"]
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "banner-request-id",
+          "seatbid": [
+            {
+              "seat": "1234567890abcdef12345678",
+              "bid": [
+                {
+                  "id": "banner-bid-id",
+                  "impid": "banner-imp-id",
+                  "price": 1.2,
+                  "adm": "<div id=\"aniview-ad\"><script src=\"https://cdn.aniview.com/tag.js\"></script></div>",
+                  "crid": "banner-creative-id",
+                  "adomain": ["advertiser.com"],
+                  "w": 300,
+                  "h": 250,
+                  "mtype": 1
+                }
+              ]
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "USD",
+      "bids": [
+        {
+          "bid": {
+            "id": "banner-bid-id",
+            "impid": "banner-imp-id",
+            "price": 1.2,
+            "adm": "<div id=\"aniview-ad\"><script src=\"https://cdn.aniview.com/tag.js\"></script></div>",
+            "crid": "banner-creative-id",
+            "adomain": ["advertiser.com"],
+            "w": 300,
+            "h": 250,
+            "mtype": 1
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ],
+  "expectedMakeBidsErrors": []
+}