--- /dev/null
+<?php
+/**
+ * @author Bachsau
+ */
+
+class Asirra extends SimpleCaptcha
+{
+ // Asirra URLs
+ public $asirra_localpath = '';
+ public $asirra_clientscript = 'http://challenge.asirra.com/js/AsirraClientSide.js';
+ public $asirra_apiscript = 'http://challenge.asirra.com/cgi/Asirra';
+
+ // As we don't have to store anything but some other things to do,
+ // we're going to replace that constructor completely.
+ function __construct()
+ {
+ global $wgScriptPath, $wgAsirraScriptPath;
+
+ // WTF isn't this in ConfirmEdit_body.php?
+ wfLoadExtensionMessages('ConfirmEdit');
+ wfLoadExtensionMessages('Asirra');
+
+ // Try to find $asirra_localpath if not set
+ if (!$this -> asirra_localpath = $wgAsirraScriptPath)
+ {
+ if (strpos(__FILE__, $_SERVER['DOCUMENT_ROOT']) === 0)
+ {
+ $this -> asirra_localpath = preg_replace('/^' . preg_quote($_SERVER['DOCUMENT_ROOT'], '/') . '(\\/*)/s', '/', dirname(__FILE__));
+ }
+ else
+ {
+ $this -> asirra_localpath = $wgScriptPath . '/extensions/ConfirmEdit';
+ }
+ }
+ }
+
+ function getForm()
+ {
+ global $wgAsirraEnlargedPosition, $wgAsirraCellsPerRow, $wgOut;
+
+ return '
+ <script type="text/javascript" src="' . $this -> asirra_clientscript . '"></script>
+ <script type="text/javascript" src="' . $this -> asirra_localpath . '/asirra_contentloaded.js"></script>
+ <script type="text/javascript" src="' . $this -> asirra_localpath . '/asirra_humanverify.js"></script>
+ <script type="text/javascript">
+ asirraState.SetEnlargedPosition("' . $wgAsirraEnlargedPosition . '");
+ asirraState.SetCellsPerRow(' . $wgAsirraCellsPerRow . ');
+ var asirra_js_failed = "' . $this -> getMessage('createaccount-fail') . '"
+ </script>
+ <noscript>' . $wgOut -> parse($this -> getMessage('nojs')) . '</noscript>
+ ';
+ }
+
+ function getMessage( $action )
+ {
+ $name = 'asirra-' . $action;
+ $text = wfMsg($name);
+ // Obtain a more tailored message, if possible, otherwise, fall back to
+ // the default for edits
+ return wfEmptyMsg($name, $text) ? wfMsg('asirra-edit') : $text;
+ }
+
+ // This is where the party goes on...
+ function passCaptcha()
+ {
+ global $wgRequest, $wgAsirra;
+
+ $ticket = $wgRequest -> getVal('Asirra_Ticket');
+ $url = $this -> asirra_apiscript . '?action=ValidateTicket&ticket=' . $ticket;
+
+ $ch = curl_init();
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+ curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
+ $resultXml = curl_exec($ch);
+ curl_close($ch);
+
+ $xml_parser = xml_parser_create();
+ xml_set_element_handler($xml_parser, 'AsirraXmlParser::startElement', 'AsirraXmlParser::endElement');
+ xml_set_character_data_handler($xml_parser, 'AsirraXmlParser::characterData');
+ xml_parse($xml_parser, $resultXml, 1);
+ xml_parser_free($xml_parser);
+
+ if ($wgAsirra['passed'])
+ {
+ return true;
+
+ }
+ return false;
+ }
+}
+
+class AsirraXmlParser
+{
+ static function startElement($parser, $name, $attrs)
+ {
+ global $wgAsirra;
+
+ $wgAsirra['inResult'] = ($name=="RESULT");
+ }
+
+ static function endElement($name)
+ {
+ global $wgAsirra;
+
+ $wgAsirra['inResult'] = 0;
+ }
+
+ static function characterData($parer, $data)
+ {
+ global $wgAsirra;
+
+ if ($wgAsirra['inResult'] && $data == "Pass")
+ {
+ $wgAsirra['passed'] = 1;
+ }
+ }
+}
--- /dev/null
+<?php
+/**
+ * Internationalisation file for the Asirra module of the ConfirmEdit
+ * extension.
+ *
+ * @file
+ * @ingroup Extensions
+ */
+
+$messages = array();
+
+/* English */
+$messages['en'] = array(
+ 'asirra-desc' => 'Asirra module for ConfirmEdit',
+ 'asirra-edit' => 'To help protect against automated edit spam, please select just the cat photos in the box below:',
+ 'asirra-addurl' => 'Your edit includes new external links. To help protect against automated spam, please select just the cat photos in the box below:',
+ 'asirra-badpass' => 'To help protect against automated password cracking, please select just the cat photos in the box below:',
+ 'asirra-createaccount' => 'To help protect against automated account creation, please select just the cat photos in the box below:',
+ 'asirra-createaccount-fail' => "Please correctly identify the cats.",
+ 'asirra-create' => 'To help protect against automated page creation, please select just the cat photos in the box below:',
+ 'asirra-nojs' => '\'\'\'Please enable JavaScript and resubmit the page.\'\'\''
+);
+
+
+/** German (Deutsch) */
+$messages['de'] = array(
+ 'asirra-desc' => 'Asirra-Modul für ConfirmEdit',
+ 'asirra-edit' => 'Zum Schutz vor automatisiertem Spam, wähle bitte nur die Katzen im untenstehenden Feld aus:',
+ 'asirra-addurl' => 'Deine Bearbeitung enthält neue externe Links. Zum Schutz vor automatisiertem Spam wähle bitte nur die Katzen im untenstehenden Feld aus:',
+ 'asirra-badpass' => 'Zum Schutz gegen automatisiertes Knacken von Passwörtern, wähle bitte nur die Katzen im untenstehenden Feld aus:',
+ 'asirra-createaccount' => 'Zum Schutz gegen automatisierte Erstellung von Benutzerkonten wähle bitte nur die Katzen im untenstehenden Feld aus:',
+ 'asirra-createaccount-fail' => 'Bitte wähle nur Katzen aus.',
+ 'asirra-create' => 'Zum Schutz gegen automatisierte Erstellung von Seiten, wähle bitte nur die Katzen im untenstehenden Feld aus:',
+ 'asirra-nojs' => '\'\'\'Bitte aktiviere JavaScript und sende die Seite noch einmal ab.\'\'\''
+);
--- /dev/null
+<?php
+/**
+ * Asirra CAPTCHA module for the ConfirmEdit MediaWiki extension.
+ * @author Bachsau
+ *
+ * Makes use of the Asirra (Animal Species Image Recognition for
+ * Restricting Access) CAPTCHA service, developed by John Douceur, Jeremy
+ * Elson and Jon Howell at Microsoft Research.
+ *
+ * Asirra uses a large set of images from http://petfinder.com.
+ *
+ * For more information about Asirra, see:
+ * http://research.microsoft.com/en-us/um/redmond/projects/asirra/
+ *
+ * This MediaWiki code is released into the public domain, without any
+ * warranty. YOU CAN DO WITH IT WHATEVER YOU LIKE!
+ *
+ * @file
+ * @ingroup Extensions
+ */
+
+if ( !defined( 'MEDIAWIKI' ) ) {
+ exit;
+}
+
+require_once dirname( __FILE__ ) . '/ConfirmEdit.php';
+$wgCaptchaClass = 'Asirra';
+
+// Default Asirra options.
+// Use LocalSettings.php for any changes
+$wgAsirraEnlargedPosition = 'bottom';
+$wgAsirraCellsPerRow = '6';
+$wgAsirraScriptPath = '';
+
+// AsirraXmlParser initial values
+$wgAsirra = array
+(
+ 'inResult' => 0,
+ 'passed' => 0
+);
+
+$wgExtensionMessagesFiles['Asirra'] = dirname( __FILE__ ) . '/Asirra.i18n.php';
+$wgAutoloadClasses['Asirra'] = dirname( __FILE__ ) . '/Asirra.class.php';
--- /dev/null
+/*!
+ * contentloaded.js
+ *
+ * Author: Diego Perini (diego.perini at gmail.com)
+ * Summary: cross-browser wrapper for DOMContentLoaded
+ * Updated: 20101020
+ * License: MIT
+ * Version: 1.2
+ *
+ * URL:
+ * http://javascript.nwbox.com/ContentLoaded/
+ * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE
+ *
+ */
+
+// @win window reference
+// @fn function reference
+function contentLoaded(win, fn) {
+
+ var done = false, top = true,
+
+ doc = win.document, root = doc.documentElement,
+
+ add = doc.addEventListener ? 'addEventListener' : 'attachEvent',
+ rem = doc.addEventListener ? 'removeEventListener' : 'detachEvent',
+ pre = doc.addEventListener ? '' : 'on',
+
+ init = function(e) {
+ if (e.type == 'readystatechange' && doc.readyState != 'complete') return;
+ (e.type == 'load' ? win : doc)[rem](pre + e.type, init, false);
+ if (!done && (done = true)) fn.call(win, e.type || e);
+ },
+
+ poll = function() {
+ try { root.doScroll('left'); } catch(e) { setTimeout(poll, 50); return; }
+ init('poll');
+ };
+
+ if (doc.readyState == 'complete') fn.call(win, 'lazy');
+ else {
+ if (doc.createEventObject && root.doScroll) {
+ try { top = !win.frameElement; } catch(e) { }
+ if (top) poll();
+ }
+ doc[add](pre + 'DOMContentLoaded', init, false);
+ doc[add](pre + 'readystatechange', init, false);
+ win[add](pre + 'load', init, false);
+ }
+
+}
--- /dev/null
+/*======================================================================*\
+|| #################################################################### ||
+|| # Asirra module for ConfirmEdit by Bachsau # ||
+|| # ---------------------------------------------------------------- # ||
+|| # This code is released into public domain, in the hope that it # ||
+|| # will be useful, but without any warranty. # ||
+|| # ------------ YOU CAN DO WITH IT WHATEVER YOU LIKE! ------------- # ||
+|| #################################################################### ||
+\*======================================================================*/
+
+var asirra_js_failed = "Please correctly identify the cats.";
+var asirraform = document.forms[document.forms.length - 1];
+var submitButtonClicked = document.createElement("input");
+var passThroughFormSubmit = false;
+
+function PrepareSubmit()
+{
+ submitButtonClicked.type = "hidden";
+ var inputFields = asirraform.getElementsByTagName("input");
+ for (var i=0; i<inputFields.length; i++)
+ {
+ if (inputFields[i].type == "submit")
+ {
+ inputFields[i].onclick = function(event)
+ {
+ submitButtonClicked.name = this.name;
+ submitButtonClicked.value = this.value;
+ }
+ }
+ }
+
+ asirraform.onsubmit = function(event)
+ {
+ return MySubmitForm();
+ }
+}
+
+function MySubmitForm()
+{
+ if (passThroughFormSubmit)
+ {
+ return true;
+ }
+ Asirra_CheckIfHuman(HumanCheckComplete);
+ return false;
+}
+
+function HumanCheckComplete(isHuman)
+{
+ if (!isHuman)
+ {
+ alert(asirra_js_failed);
+ }
+ else
+ {
+ asirraform.appendChild(submitButtonClicked);
+ passThroughFormSubmit = true;
+ asirraform.submit();
+ }
+}
+
+contentLoaded(window,PrepareSubmit);