misc.go

   1 package main
   2
   3 import (
   4         "crypto/rand"
   5         "encoding/base64"
   6         "log"
   7 )
   8
   9 func e(e error) {
  10         if e != nil {
  11                 log.Fatal(e)
  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 func random(len int) string {
  20         r := make([]byte, 3*len)
  21         rand.Read(r)
  22         return base64.RawURLEncoding.EncodeToString(r)
  23 }