github.com/prebid/prebid-server/v2@v2.18.0/adapters/medianet/medianet.go (about)

     1  package medianet
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  	"net/url"
     8  
     9  	"github.com/prebid/openrtb/v20/openrtb2"
    10  	"github.com/prebid/prebid-server/v2/adapters"
    11  	"github.com/prebid/prebid-server/v2/config"
    12  	"github.com/prebid/prebid-server/v2/errortypes"
    13  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    14  )
    15  
    16  type adapter struct {
    17  	endpoint string
    18  }
    19  
    20  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    21  	var errs []error
    22  
    23  	reqJson, err := json.Marshal(request)
    24  	if err != nil {
    25  		errs = append(errs, err)
    26  		return nil, errs
    27  	}
    28  
    29  	headers := http.Header{}
    30  	headers.Add("Content-Type", "application/json;charset=utf-8")
    31  
    32  	return []*adapters.RequestData{{
    33  		Method:  "POST",
    34  		Uri:     a.endpoint,
    35  		Body:    reqJson,
    36  		Headers: headers,
    37  		ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
    38  	}}, errs
    39  }
    40  
    41  func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    42  	var errs []error
    43  
    44  	if response.StatusCode == http.StatusNoContent {
    45  		return nil, nil
    46  	}
    47  
    48  	if response.StatusCode == http.StatusBadRequest {
    49  		return nil, []error{&errortypes.BadInput{
    50  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    51  		}}
    52  	}
    53  
    54  	if response.StatusCode != http.StatusOK {
    55  		return nil, []error{&errortypes.BadServerResponse{
    56  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
    57  		}}
    58  	}
    59  
    60  	var bidResp openrtb2.BidResponse
    61  
    62  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
    63  		return nil, []error{err}
    64  	}
    65  
    66  	bidResponse := adapters.NewBidderResponse()
    67  
    68  	for _, sb := range bidResp.SeatBid {
    69  		for i := range sb.Bid {
    70  			bidType, err := getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp)
    71  			if err != nil {
    72  				errs = append(errs, err)
    73  			} else {
    74  				b := &adapters.TypedBid{
    75  					Bid:     &sb.Bid[i],
    76  					BidType: bidType,
    77  				}
    78  				bidResponse.Bids = append(bidResponse.Bids, b)
    79  			}
    80  		}
    81  	}
    82  	return bidResponse, errs
    83  }
    84  
    85  // Builder builds a new instance of the Medianet adapter for the given bidder with the given config.
    86  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    87  	url := buildEndpoint(config.Endpoint, config.ExtraAdapterInfo)
    88  	return &adapter{
    89  		endpoint: url,
    90  	}, nil
    91  }
    92  
    93  func getMediaTypeForImp(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
    94  	mediaType := openrtb_ext.BidTypeBanner
    95  	for _, imp := range imps {
    96  		if imp.ID == impID {
    97  			if imp.Banner == nil && imp.Video != nil {
    98  				mediaType = openrtb_ext.BidTypeVideo
    99  			}
   100  			return mediaType, nil
   101  		}
   102  	}
   103  
   104  	return "", &errortypes.BadInput{
   105  		Message: fmt.Sprintf("Failed to find impression \"%s\" ", impID),
   106  	}
   107  }
   108  
   109  func buildEndpoint(mnetUrl, hostUrl string) string {
   110  
   111  	if len(hostUrl) == 0 {
   112  		return mnetUrl
   113  	}
   114  	urlObject, err := url.Parse(mnetUrl)
   115  	if err != nil {
   116  		return mnetUrl
   117  	}
   118  	values := urlObject.Query()
   119  	values.Add("src", hostUrl)
   120  	urlObject.RawQuery = values.Encode()
   121  	return urlObject.String()
   122  }