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Merge pull request #923 from PubMatic-OpenWrap/ci
RE-3773: Release 3rd-Oct-2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| package events | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "net/url" | ||
| "strings" | ||
|
|
||
| "github.com/golang/glog" | ||
| "github.com/prebid/openrtb/v20/openrtb2" | ||
| "github.com/prebid/prebid-server/v2/openrtb_ext" | ||
| ) | ||
|
|
||
| // standard VAST macros | ||
| // https://interactiveadvertisingbureau.github.io/vast/vast4macros/vast4-macros-latest.html#macro-spec-adcount | ||
| const ( | ||
| VASTAdTypeMacro = "[ADTYPE]" //VASTAdTypeMacro openwrap macro for ADTYPE | ||
| VASTAppBundleMacro = "[APPBUNDLE]" //VASTAppBundleMacro openwrap macro for APPBUNDLE | ||
| VASTDomainMacro = "[DOMAIN]" //VASTDomainMacro openwrap macro for DOMAIN | ||
| VASTPageURLMacro = "[PAGEURL]" //VASTPageURLMacro openwrap macro for PAGEURL | ||
| PBSEventIDMacro = "[EVENT_ID]" // PBSEventIDMacro macro for injecting PBS defined video event tracker id | ||
| PBSAccountMacro = "[PBS-ACCOUNT]" // PBSAccountMacro represents publisher id / account id | ||
| PBSBidderMacro = "[PBS-BIDDER]" // PBSBidderMacro represents bidder name | ||
| PBSOrigBidIDMacro = "[PBS-ORIG_BIDID]" // PBSOrigBidIDMacro represents original bid id. | ||
| PBSBidIDMacro = "[PBS-BIDID]" // PBSBidIDMacro represents bid id. If auction.generate-bid-id config is on, then resolve with response.seatbid.bid.ext.prebid.bidid. Else replace with response.seatbid.bid.id | ||
| PBSAdvertiserNameMacro = "[ADVERTISER_NAME]" // [ADERVERTISER_NAME] represents advertiser name | ||
| PBSAdUnitIDMacro = "[AD_UNIT]" // PBSAdUnitIDMacro Pass imp.tagId using this macro | ||
| PBSBidderCodeMacro = "[BIDDER_CODE]" // PBSBidderCodeMacro represents an alias id or core bidder id. | ||
| ) | ||
|
|
||
| // PubMatic specific event IDs | ||
| // This will go in event-config once PreBid modular design is in place | ||
| var trackingEventIDMap = map[string]string{ | ||
| "start": "2", | ||
| "firstQuartile": "4", | ||
| "midpoint": "3", | ||
| "thirdQuartile": "5", | ||
| "complete": "6", | ||
| } | ||
|
|
||
| var trackingEvents = []string{"start", "firstQuartile", "midpoint", "thirdQuartile", "complete"} | ||
|
|
||
| // GetVideoEventTracking returns map containing key as event name value as associaed video event tracking URL | ||
| // By default PBS will expect [EVENT_ID] macro in trackerURL to inject event information | ||
| // [EVENT_ID] will be injected with one of the following values | ||
| // | ||
| // firstQuartile, midpoint, thirdQuartile, complete | ||
| // | ||
| // If your company can not use [EVENT_ID] and has its own macro. provide config.TrackerMacros implementation | ||
| // and ensure that your macro is part of trackerURL configuration | ||
| // GetVideoEventTracking returns map containing key as event name value as associaed video event tracking URL | ||
| // By default PBS will expect [EVENT_ID] macro in trackerURL to inject event information | ||
| // [EVENT_ID] will be injected with one of the following values | ||
| // | ||
| // firstQuartile, midpoint, thirdQuartile, complete | ||
| // | ||
| // If your company can not use [EVENT_ID] and has its own macro. provide config.TrackerMacros implementation | ||
| // and ensure that your macro is part of trackerURL configuration | ||
| func GetVideoEventTracking( | ||
| req *openrtb2.BidRequest, | ||
| imp *openrtb2.Imp, | ||
| bid *openrtb2.Bid, | ||
| trackerURL string, | ||
| prebidGenBidId, requestingBidder, bidderCoreName string, | ||
| timestamp int64) map[string]string { | ||
|
|
||
| if req == nil || imp == nil || bid == nil || strings.TrimSpace(trackerURL) == "" { | ||
| return nil | ||
| } | ||
|
|
||
| // replace standard macros | ||
| // NYC shall we put all macros with their default values here? | ||
| macroMap := map[string]string{ | ||
| PBSAdUnitIDMacro: imp.TagID, | ||
| PBSBidIDMacro: bid.ID, | ||
| PBSOrigBidIDMacro: bid.ID, | ||
| PBSBidderMacro: bidderCoreName, | ||
| PBSBidderCodeMacro: requestingBidder, | ||
| PBSAdvertiserNameMacro: "", | ||
| VASTAdTypeMacro: string(openrtb_ext.BidTypeVideo), | ||
| } | ||
|
|
||
| /* Use generated bidId if present, else use bid.ID */ | ||
| if len(prebidGenBidId) > 0 && prebidGenBidId != bid.ID { | ||
| macroMap[PBSBidIDMacro] = prebidGenBidId | ||
| } | ||
|
|
||
| if len(bid.ADomain) > 0 { | ||
| var err error | ||
| //macroMap[PBSAdvertiserNameMacro] = strings.Join(bid.ADomain, ",") | ||
| macroMap[PBSAdvertiserNameMacro], err = extractDomain(bid.ADomain[0]) | ||
| if err != nil { | ||
| glog.Warningf("Unable to extract domain from '%s'. [%s]", bid.ADomain[0], err.Error()) | ||
| } | ||
| } | ||
|
|
||
| if req.App != nil { | ||
| // macroMap[VASTAppBundleMacro] = req.App.Bundle | ||
| macroMap[VASTDomainMacro] = req.App.Bundle | ||
| if req.App.Publisher != nil { | ||
| macroMap[PBSAccountMacro] = req.App.Publisher.ID | ||
| } | ||
| } else if req.Site != nil { | ||
| macroMap[VASTDomainMacro] = getDomain(req.Site) | ||
| macroMap[VASTPageURLMacro] = req.Site.Page | ||
| if req.Site.Publisher != nil { | ||
| macroMap[PBSAccountMacro] = req.Site.Publisher.ID | ||
| } | ||
| } | ||
|
|
||
| // lookup in custom macros - keep this block at last for highest priority | ||
| var reqExt openrtb_ext.ExtRequest | ||
| if req.Ext != nil { | ||
| err := json.Unmarshal(req.Ext, &reqExt) | ||
| if err != nil { | ||
| glog.Warningf("Error in unmarshling req.Ext.Prebid.Vast: [%s]", err.Error()) | ||
| } | ||
| } | ||
| for key, value := range reqExt.Prebid.Macros { | ||
| macroMap[strings.TrimSpace(key)] = strings.TrimSpace(value) | ||
| } | ||
|
|
||
| eventURLMap := make(map[string]string) | ||
| for name, id := range trackingEventIDMap { // NYC check if trackingEvents and macroMap can be clubbed | ||
| // replace [EVENT_ID] macro with PBS defined event ID | ||
| macroMap[PBSEventIDMacro] = id | ||
| eventURLMap[name] = replaceMacros(trackerURL, macroMap) | ||
| } | ||
| return eventURLMap | ||
| } | ||
|
|
||
| func replaceMacros(trackerURL string, macroMap map[string]string) string { | ||
| var builder strings.Builder | ||
|
|
||
| for i := 0; i < len(trackerURL); i++ { | ||
| if trackerURL[i] == '[' { | ||
| found := false | ||
| j := i + 1 | ||
| for ; j < len(trackerURL); j++ { | ||
| if trackerURL[j] == ']' { | ||
| found = true | ||
| break | ||
| } | ||
| } | ||
| if found { | ||
| n := j + 1 | ||
| k := trackerURL[i:n] | ||
| if v, ok := macroMap[k]; ok { | ||
| v = url.QueryEscape(v) // NYC move QueryEscape while creating map, no need to do this everytime | ||
| _, _ = builder.Write([]byte(v)) | ||
| i = j | ||
| continue | ||
| } | ||
| } | ||
| } | ||
| _ = builder.WriteByte(trackerURL[i]) | ||
| } | ||
|
|
||
| return builder.String() | ||
| } | ||
|
|
||
| func extractDomain(rawURL string) (string, error) { | ||
| if !strings.HasPrefix(rawURL, "http") { | ||
| rawURL = "http://" + rawURL | ||
| } | ||
| // decode rawURL | ||
| rawURL, err := url.QueryUnescape(rawURL) | ||
| if nil != err { | ||
| return "", err | ||
| } | ||
| url, err := url.Parse(rawURL) | ||
| if nil != err { | ||
| return "", err | ||
| } | ||
| // remove www if present | ||
| return strings.TrimPrefix(url.Hostname(), "www."), nil | ||
| } | ||
|
|
||
| func getDomain(site *openrtb2.Site) string { | ||
| if site.Domain != "" { | ||
| return site.Domain | ||
| } | ||
|
|
||
| hostname := "" | ||
|
|
||
| if site.Page != "" { | ||
| pageURL, err := url.Parse(site.Page) | ||
| if err == nil && pageURL != nil { | ||
| hostname = pageURL.Host | ||
| } | ||
| } | ||
| return hostname | ||
| } |
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