17464: keep-web handles cases where user is unknown

Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <peter.amstutz@curii.com>

diff --git a/services/keep-web/handler.go b/services/keep-web/handler.go
index d76cedaec3e44bfb4364b5c620e717a078c41c7d..97ec95e3aac3f96111ab49014635ae742073b4e8 100644 (file)
--- a/services/keep-web/handler.go
+++ b/services/keep-web/handler.go
@@ -897,9 +897,13 @@ func (h *handler) logUploadOrDownload(
        log := ctxlog.FromContext(r.Context())
        props := make(map[string]string)
        props["reqPath"] = r.URL.Path
+       var useruuid string
        if user != nil {
                log = log.WithField("user_uuid", user.UUID).
                        WithField("user_full_name", user.FullName)
+               useruuid = user.UUID
+       } else {
+               useruuid = fmt.Sprintf("%s-tpzed-anonymouspublic", h.Config.cluster.ClusterID)
        }
        if collection == nil && fs != nil {
                collection, filepath = h.determineCollection(fs, filepath)
@@ -915,7 +919,7 @@ func (h *handler) logUploadOrDownload(
                if h.Config.cluster.Collections.WebDAVLogEvents {
                        go func() {
                                lr := arvadosclient.Dict{"log": arvadosclient.Dict{
-                                       "object_uuid": user.UUID,
+                                       "object_uuid": useruuid,
                                        "event_type":  "file_upload",
                                        "properties":  props}}
                                err := client.Create("logs", lr, nil)
@@ -933,7 +937,7 @@ func (h *handler) logUploadOrDownload(
                if h.Config.cluster.Collections.WebDAVLogEvents {
                        go func() {
                                lr := arvadosclient.Dict{"log": arvadosclient.Dict{
-                                       "object_uuid": user.UUID,
+                                       "object_uuid": useruuid,
                                        "event_type":  "file_download",
                                        "properties":  props}}
                                err := client.Create("logs", lr, nil)