// GetServingURL gets URL to serve GCS file to users.
func GetServingURL(c context.Context, filename string) (servingURL *url.URL, err error) {
blobKey, err := blobstore.BlobKeyForFile(c, filename)
if err != nil {
log.Errorf(c, "error for file %s: %s", filename, err.Error())
return nil, err
}
opts := &image.ServingURLOptions{Secure: true}
servingURL, err = image.ServingURL(c, blobKey, opts)
if err != nil {
log.Errorf(c, "failed to get serving URL: %s", err.Error())
return nil, err
}
return servingURL, nil
}
func ToBlobKey(c *gin.Context, key string) appengine.BlobKey {
bk, _ := blobstore.BlobKeyForFile(c, key)
return bk
}
func renameOrDelete(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {
lg, b := loghttp.BuffLoggerUniversal(w, r)
_ = b
c := appengine.NewContext(r)
b1 := new(bytes.Buffer)
s1 := ""
defer func() {
w.Header().Set("Content-type", "text/html; charset=utf-8")
w.Write(b1.Bytes())
}()
// c := appengine.NewContext(r)
bk := r.FormValue("blobkey")
if bk == "" {
b1.WriteString("No blob key given<br>")
return
} else {
s1 = fmt.Sprintf("Blob key given %q<br>", bk)
b1.WriteString(s1)
}
dsKey := datastore.NewKey(c, "__BlobInfo__", bk, 0, nil)
q := datastore.NewQuery("__BlobInfo__").Filter("__key__=", dsKey)
var bi BlobInfo
var found bool
for t := q.Run(c); ; {
_, err := t.Next(&bi)
if err == datastore.Done {
aelog.Infof(c, " No Results (any more), blob-rename-delete %v", err)
break
}
// other err
if err != nil {
lg(err)
return
}
found = true
break
}
if found {
ac := r.FormValue("action")
if ac == "delete" {
b1.WriteString("deletion ")
// first the binary data
keyBlob, err := blobstore.BlobKeyForFile(c, bi.Filename)
lg(err)
if err != nil {
b1.WriteString(fmt.Sprintf(" ... failed (1) %v", err))
} else {
err = blobstore.Delete(c, keyBlob)
lg(err)
if err != nil {
b1.WriteString(fmt.Sprintf(" ... failed (2) %v<br>", err))
} else {
// now the datastore record
err = datastore.Delete(c, dsKey)
lg(err)
if err != nil {
b1.WriteString(fmt.Sprintf(" ... failed (3) %v<br>%#v<br>", err, dsKey))
} else {
b1.WriteString(" ... succeeded<br>")
}
}
}
}
if ac == "rename" {
b1.WriteString("renaming ")
nfn := r.FormValue("filename")
if nfn == "" || len(nfn) < 4 {
b1.WriteString(" ... failed - at LEAST 4 chars required<br>")
return
}
nfn = strings.ToLower(nfn)
bi.Filename = nfn
_, err := datastore.Put(c, dsKey, &bi)
lg(err)
if err != nil {
b1.WriteString(fmt.Sprintf(" ... failed. %v", err))
} else {
b1.WriteString(" ... succeeded<br>")
}
}
} else {
b1.WriteString("no blob found for given blobkey<br>")
}
b1.WriteString("<a href='/blob2'>Back to list</a><br>")
}
