modules/avatars/server/gravatar.js

   1 'use strict';
   2
   3 var crypto = require('crypto');
   4
   5 function hashEmail(email) {
   6   return crypto
   7     .createHash('md5')
   8     .update(email)
   9     .digest('hex');
  10 }
  11
  12 function forEmail(email, size) {
  13   var checksum = crypto
  14     .createHash('md5')
  15     .update(email)
  16     .digest('hex');
  17   return forChecksum(checksum, size);
  18 }
  19
  20 function forChecksum(checksum, size) {
  21   if (size) {
  22     return (
  23       'https://secure.gravatar.com/avatar/' +
  24       checksum +
  25       '?d=https%3A%2F%2Favatars.gitter.im%2Fdefault.png&s=' +
  26       size
  27     );
  28   } else {
  29     return (
  30       'https://secure.gravatar.com/avatar/' +
  31       checksum +
  32       '?d=https%3A%2F%2Favatars.gitter.im%2Fdefault.png'
  33     );
  34   }
  35 }
  36
  37 module.exports = {
  38   hashEmail: hashEmail,
  39   forEmail: forEmail,
  40   forChecksum: forChecksum
  41 };