github.com/prebid/prebid-server@v0.275.0/adapters/mobfoxpb/mobfoxpb.go (about)

     1  package mobfoxpb
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/http"
     7  	"strings"
     8  
     9  	"github.com/buger/jsonparser"
    10  	"github.com/prebid/openrtb/v19/openrtb2"
    11  	"github.com/prebid/prebid-server/adapters"
    12  	"github.com/prebid/prebid-server/config"
    13  	"github.com/prebid/prebid-server/errortypes"
    14  	"github.com/prebid/prebid-server/openrtb_ext"
    15  )
    16  
    17  const (
    18  	ROUTE_NATIVE  = "o"
    19  	ROUTE_RTB     = "rtb"
    20  	METHOD_NATIVE = "ortb"
    21  	METHOD_RTB    = "req"
    22  	MACROS_ROUTE  = "__route__"
    23  	MACROS_METHOD = "__method__"
    24  	MACROS_KEY    = "__key__"
    25  )
    26  
    27  type adapter struct {
    28  	URI string
    29  }
    30  
    31  // Builder builds a new instance of the Mobfox adapter for the given bidder with the given config.
    32  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
    33  	bidder := &adapter{
    34  		URI: config.Endpoint,
    35  	}
    36  	return bidder, nil
    37  }
    38  
    39  // MakeRequests create bid request for mobfoxpb demand
    40  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    41  	var errs []error
    42  	var route string
    43  	var method string
    44  	var adapterRequests []*adapters.RequestData
    45  
    46  	requestURI := a.URI
    47  	reqCopy := *request
    48  	imp := request.Imp[0]
    49  	tagID, errTag := jsonparser.GetString(imp.Ext, "bidder", "TagID")
    50  	key, errKey := jsonparser.GetString(imp.Ext, "bidder", "key")
    51  	if errTag != nil && errKey != nil {
    52  		errs = append(errs, &errortypes.BadInput{
    53  			Message: fmt.Sprintf("Invalid or non existing key and tagId, atleast one should be present"),
    54  		})
    55  		return nil, errs
    56  	}
    57  
    58  	if key != "" {
    59  		route = ROUTE_RTB
    60  		method = METHOD_RTB
    61  		requestURI = strings.Replace(requestURI, MACROS_KEY, key, 1)
    62  	} else if tagID != "" {
    63  		method = METHOD_NATIVE
    64  		route = ROUTE_NATIVE
    65  	}
    66  
    67  	requestURI = strings.Replace(requestURI, MACROS_ROUTE, route, 1)
    68  	requestURI = strings.Replace(requestURI, MACROS_METHOD, method, 1)
    69  
    70  	reqCopy.Imp = []openrtb2.Imp{imp}
    71  	adapterReq, err := a.makeRequest(&reqCopy, requestURI)
    72  	if err != nil {
    73  		errs = append(errs, err)
    74  	}
    75  	if adapterReq != nil {
    76  		adapterRequests = append(adapterRequests, adapterReq)
    77  	}
    78  	return adapterRequests, errs
    79  }
    80  
    81  func (a *adapter) makeRequest(request *openrtb2.BidRequest, requestURI string) (*adapters.RequestData, error) {
    82  	reqJSON, err := json.Marshal(request)
    83  
    84  	if err != nil {
    85  		return nil, err
    86  	}
    87  
    88  	headers := http.Header{}
    89  	headers.Add("Content-Type", "application/json;charset=utf-8")
    90  	headers.Add("Accept", "application/json")
    91  	return &adapters.RequestData{
    92  		Method:  "POST",
    93  		Uri:     requestURI,
    94  		Body:    reqJSON,
    95  		Headers: headers,
    96  	}, nil
    97  }
    98  
    99  // MakeBids makes the bids
   100  func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
   101  	var errs []error
   102  
   103  	if response.StatusCode == http.StatusNoContent {
   104  		return nil, nil
   105  	}
   106  
   107  	if response.StatusCode != http.StatusOK {
   108  		return nil, []error{&errortypes.BadServerResponse{
   109  			Message: fmt.Sprintf("Unexpected status code: %d. Run with request.debug = 1 for more info", response.StatusCode),
   110  		}}
   111  	}
   112  
   113  	var bidResp openrtb2.BidResponse
   114  
   115  	if err := json.Unmarshal(response.Body, &bidResp); err != nil {
   116  		return nil, []error{err}
   117  	}
   118  
   119  	bidResponse := adapters.NewBidderResponseWithBidsCapacity(1)
   120  
   121  	for _, sb := range bidResp.SeatBid {
   122  		for _, bid := range sb.Bid {
   123  			bidType, err := getMediaTypeForImp(bid.ImpID, internalRequest.Imp)
   124  			if err != nil {
   125  				errs = append(errs, err)
   126  			} else {
   127  				bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
   128  					Bid:     &bid,
   129  					BidType: bidType,
   130  				})
   131  			}
   132  		}
   133  	}
   134  	return bidResponse, errs
   135  }
   136  
   137  func getMediaTypeForImp(impID string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
   138  	mediaType := openrtb_ext.BidTypeBanner
   139  	for _, imp := range imps {
   140  		if imp.ID == impID {
   141  			if imp.Banner != nil {
   142  				mediaType = openrtb_ext.BidTypeBanner
   143  			} else if imp.Video != nil {
   144  				mediaType = openrtb_ext.BidTypeVideo
   145  			} else if imp.Native != nil {
   146  				mediaType = openrtb_ext.BidTypeNative
   147  			}
   148  			return mediaType, nil
   149  		}
   150  	}
   151  
   152  	// This shouldnt happen. Lets handle it just incase by returning an error.
   153  	return "", &errortypes.BadServerResponse{
   154  		Message: fmt.Sprintf("Failed to find impression \"%s\"", impID),
   155  	}
   156  }