mask app user's lat and lon (#43)

pkg/modules/update_bundle/module/hook_raw_auction.go

@@ -3,6 +3,7 @@ package update_bundle
 import (
 	"encoding/json"
 
+	"github.com/ParticleMedia/msp/pkg/extract"
 	"github.com/prebid/openrtb/v19/openrtb2"
 	"github.com/prebid/prebid-server/hooks/hookstage"
 	"github.com/prebid/prebid-server/openrtb_ext"
@@ -16,18 +17,31 @@ func handleRawAuctionHook(
 		req := &openrtb_ext.RequestWrapper{}
 		req.BidRequest = &openrtb2.BidRequest{}
 		err := json.Unmarshal(rawjson, req.BidRequest)
+		if req.User != nil {
+			if req.User.Ext != nil {
+				var userExt extract.UserExt
+				err := json.Unmarshal(req.User.Ext, &userExt)
+				if err == nil {
+					//mask app user lat lon
+					updatedJson, err := json.Marshal(userExt)
+					if err == nil {
+						req.User.Ext = updatedJson
+					}
+				}
+			}
+		}
 		if err == nil && req.Device != nil {
 			if req.Device.OS != "" {
 				// hardcode ios bundle
 				if req.Device.OS == "iOS" || req.Device.OS == "iPadOS" {
 					req.App.Bundle = "1132762804"
 				}
-				req.RebuildRequest()
-				resolvedBidReq, err := json.Marshal(req.BidRequest)
-				return resolvedBidReq, err
 			}
 		}
-		return payload, nil
+
+		req.RebuildRequest()
+		resolvedBidReq, err := json.Marshal(req.BidRequest)
+		return resolvedBidReq, err
 	}, hookstage.MutationUpdate, "msp_update_bundle")
 	return result, nil
 }