CookieCaptcha.class.php

   1 <?php
   2
   3 class CookieCaptcha extends SimpleCaptcha {
   4         // Check whether the cookie is present
   5         function keyMatch($answer, $info) {
   6                 global $wgCaptchaCookieName;
   7                 if (isset($_COOKIE[$wgCaptchaCookieName])) {
   8                         wfDebug( "CookieCaptcha: Found cookie\n" );
   9                         return parent::keyMatch($answer, $info);
  10                 } else {
  11                         wfDebug( "CookieCaptcha: Didn't find cookie...\n" );
  12                         return false;
  13                 }
  14         }
  15
  16
  17         function getForm() {
  18                 global $wgCaptchaCookieName, $wgCaptchaCookieImage, $wgCaptchaCookieAlt, $wgCaptchaCookieStyle;
  19                 return parent::getForm() . "<p>" .
  20                         Html::element( 'img', array(
  21                                 'src'    => $wgCaptchaCookieImage,
  22                                 'alt'    => $wgCaptchaCookieAlt,
  23                                 'style'  => $wgCaptchaCookieStyle ) ) .
  24                         "</p>\n";
  25         }
  26
  27 }