New Adapter: SmartHub

adapters/smarthub/params_test.go

@@ -0,0 +1,54 @@
+package smarthub
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/prebid/prebid-server/openrtb_ext"
+)
+
+var validParams = []string{
+	`{"host":"smarthub.test", "seat":"9Q20EdGxzgWdfPYShScl", "token":"eKmw6alpP3zWQhRCe3flOpz0wpuwRFjW"}`,
+}
+
+func TestValidParams(t *testing.T) {
+	validator, err := openrtb_ext.NewBidderParamsValidator("../../static/bidder-params")
+	if err != nil {
+		t.Fatalf("Failed to fetch the json-schemas. %v", err)
+	}
+
+	for _, validParam := range validParams {
+		if err := validator.Validate(openrtb_ext.BidderSmartHub, json.RawMessage(validParam)); err != nil {
+			t.Errorf("Schema rejected smarthub params: %s", validParam)
+		}
+	}
+}
+
+var invalidParams = []string{
+	``,
+	`null`,
+	`true`,
+	`5`,
+	`[]`,
+	`{}`,
+	`{"anyparam": "anyvalue"}`,
+	`{"host":"smarthub.test"}`,
+	`{"seat":"9Q20EdGxzgWdfPYShScl"}`,
+	`{"token":"Y9Evrh40ejsrCR4EtidUt1cSxhJsz8X1"}`,
+	`{"seat":"9Q20EdGxzgWdfPYShScl", "token":"alNYtemWggraDVbhJrsOs9pXc3Eld32E"}`,
+	`{"host":"smarthub.test", "token":"LNywdP2ebX5iETF8gvBeEoB6Cam64eeq"}`,
+	`{"host":"smarthub.test", "seat":"9Q20EdGxzgWdfPYShScl"}`,
+}
+
+func TestInvalidParams(t *testing.T) {
+	validator, err := openrtb_ext.NewBidderParamsValidator("../../static/bidder-params")
+	if err != nil {
+		t.Fatalf("Failed to fetch the json-schemas. %v", err)
+	}
+
+	for _, invalidParam := range invalidParams {
+		if err := validator.Validate(openrtb_ext.BidderSmartHub, json.RawMessage(invalidParam)); err == nil {
+			t.Errorf("Schema allowed unexpected params: %s", invalidParam)
+		}
+	}
+}

adapters/smarthub/smarthub.go

@@ -0,0 +1,187 @@
+package smarthub
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"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 (
+	ADAPTER_VER = "1.0.0"
+)
+
+type adapter struct {
+	endpoint template.Template
+}
+
+type bidExt struct {
+	MediaType string `json:"mediaType"`
+}
+
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter) (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 (a *adapter) getImpressionExt(imp *openrtb2.Imp) (*openrtb_ext.ExtSmartHub, error) {
+	var bidderExt adapters.ExtImpBidder
+	if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: "Bidder extension not provided or can't be unmarshalled",
+		}
+	}
+
+	var smarthubExt openrtb_ext.ExtSmartHub
+	if err := json.Unmarshal(bidderExt.Bidder, &smarthubExt); err != nil {
+		return nil, &errortypes.BadInput{
+			Message: "Error while unmarshaling bidder extension",
+		}
+	}
+
+	return &smarthubExt, nil
+}
+
+func (a *adapter) buildEndpointURL(params *openrtb_ext.ExtSmartHub) (string, error) {
+	endpointParams := macros.EndpointTemplateParams{
+		Host:      params.Host,
+		AccountID: params.Seat,
+		SourceId:  params.Token,
+	}
+	return macros.ResolveMacros(a.endpoint, endpointParams)
+}
+
+func (a *adapter) MakeRequests(
+	openRTBRequest *openrtb2.BidRequest,
+	reqInfo *adapters.ExtraRequestInfo,
+) (
+	[]*adapters.RequestData,
+	[]error,
+) {
+	if len(openRTBRequest.Imp) == 0 {
+		return nil, []error{&errortypes.BadInput{Message: "Missing Imp object"}}
+	}
+
+	var smarthubExt *openrtb_ext.ExtSmartHub
+	smarthubExt, err := a.getImpressionExt(&(openRTBRequest.Imp[0]))
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	url, err := a.buildEndpointURL(smarthubExt)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	reqJSON, err := json.Marshal(openRTBRequest)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	headers := http.Header{}
+	headers.Add("Content-Type", "application/json;charset=utf-8")
+	headers.Add("Accept", "application/json")
+	headers.Add("Prebid-Adapter-Ver", ADAPTER_VER)
+
+	return []*adapters.RequestData{{
+		Method:  http.MethodPost,
+		Body:    reqJSON,
+		Uri:     url,
+		Headers: headers,
+	}}, nil
+}
+
+func (a *adapter) MakeBids(
+	openRTBRequest *openrtb2.BidRequest,
+	requestToBidder *adapters.RequestData,
+	bidderRawResponse *adapters.ResponseData,
+) (
+	*adapters.BidderResponse,
+	[]error,
+) {
+	if bidderRawResponse.StatusCode == http.StatusNoContent {
+		return nil, nil
+	}
+
+	if bidderRawResponse.StatusCode == http.StatusBadRequest {
+		return nil, []error{&errortypes.BadInput{
+			Message: fmt.Sprintf("Bad Request. %s", string(bidderRawResponse.Body)),
+		}}
+	}
+
+	if bidderRawResponse.StatusCode == http.StatusServiceUnavailable {
+		return nil, []error{&errortypes.BadInput{
+			Message: "Bidder unavailable. Please contact the bidder support.",
+		}}
+	}
+
+	if bidderRawResponse.StatusCode != http.StatusOK {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: fmt.Sprintf("Status Code: [ %d ] %s", bidderRawResponse.StatusCode, string(bidderRawResponse.Body)),
+		}}
+	}
+
+	responseBody := bidderRawResponse.Body
+	var bidResp openrtb2.BidResponse
+	if err := json.Unmarshal(responseBody, &bidResp); err != nil {
+		return nil, []error{err}
+	}
+
+	if len(bidResp.SeatBid) == 0 {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Array SeatBid cannot be empty",
+		}}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
+
+	bids := bidResp.SeatBid[0].Bid
+
+	if len(bids) == 0 {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Array SeatBid[0].Bid cannot be empty",
+		}}
+	}
+
+	bid := bids[0]
+
+	var bidExt bidExt
+	var bidType openrtb_ext.BidType
+
+	if err := json.Unmarshal(bid.Ext, &bidExt); err != nil {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Field BidExt is required",
+		}}
+	}
+
+	bidType, err := getBidType(bidExt)
+
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
+		Bid:     &bid,
+		BidType: bidType,
+	})
+	return bidResponse, nil
+}
+
+func getBidType(ext bidExt) (openrtb_ext.BidType, error) {
+	return openrtb_ext.ParseBidType(ext.MediaType)
+}

adapters/smarthub/smarthub_test.go

@@ -0,0 +1,18 @@
+package smarthub
+
+import (
+	"testing"
+
+	"github.com/prebid/prebid-server/adapters/adapterstest"
+	"github.com/prebid/prebid-server/config"
+	"github.com/prebid/prebid-server/openrtb_ext"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(openrtb_ext.BidderSmartHub, config.Adapter{
+		Endpoint: "http://{{.Host}}/?seat={{.AccountID}}&token={{.SourceId}}"})
+
+	assert.NoError(t, buildErr)
+	adapterstest.RunJSONBidderTest(t, "smarthubtest", bidder)
+}