misc.go

   1 package main
   2
   3 import (
   4         "crypto/rand"
   5         "encoding/base64"
   6 )
   7
   8 func e(e error) {
   9         if e != nil {
  10                 panic(e)
  11         }
  12 }
  13
  14 /*
  15  * Generate a random url-safe string.
  16  * Note that the "len" parameter specifies the number of bytes taken from the
  17  * random source divided by three and does NOT represent the length of the
  18  * encoded string.
  19  */
  20 func random(len int) string {
  21         r := make([]byte, 3*len)
  22         rand.Read(r)
  23         return base64.RawURLEncoding.EncodeToString(r)
  24 }