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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 |
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@@ -0,0 +1,192 @@ | ||
package events | ||
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import ( | ||
"encoding/json" | ||
"net/url" | ||
"strings" | ||
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"github.com/golang/glog" | ||
"github.com/prebid/openrtb/v20/openrtb2" | ||
"github.com/prebid/prebid-server/v2/openrtb_ext" | ||
) | ||
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// 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. | ||
) | ||
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// 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", | ||
} | ||
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var trackingEvents = []string{"start", "firstQuartile", "midpoint", "thirdQuartile", "complete"} | ||
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// 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 { | ||
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if req == nil || imp == nil || bid == nil || strings.TrimSpace(trackerURL) == "" { | ||
return nil | ||
} | ||
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// 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), | ||
} | ||
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/* Use generated bidId if present, else use bid.ID */ | ||
if len(prebidGenBidId) > 0 && prebidGenBidId != bid.ID { | ||
macroMap[PBSBidIDMacro] = prebidGenBidId | ||
} | ||
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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()) | ||
} | ||
} | ||
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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 | ||
} | ||
} | ||
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// 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) | ||
} | ||
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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 | ||
} | ||
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func replaceMacros(trackerURL string, macroMap map[string]string) string { | ||
var builder strings.Builder | ||
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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]) | ||
} | ||
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return builder.String() | ||
} | ||
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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 | ||
} | ||
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func getDomain(site *openrtb2.Site) string { | ||
if site.Domain != "" { | ||
return site.Domain | ||
} | ||
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hostname := "" | ||
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if site.Page != "" { | ||
pageURL, err := url.Parse(site.Page) | ||
if err == nil && pageURL != nil { | ||
hostname = pageURL.Host | ||
} | ||
} | ||
return hostname | ||
} |
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