cvs: php-wiki-web /dokuwiki/lib/plugins/recaptcha action.php info.txt /dokuwiki/lib/plugins/recaptcha/conf default.php metadata.php
/dokuwiki/lib/plugins/recaptcha/lang/de lang.php settings.php /dokuwiki/lib/plugins/recaptcha/lang/en lang.php settings.php
/dokuwiki/lib/plugins/recaptcha/lib recaptchalib.php

lsmith Sun Jun 22 11:40:12 2008 UTC Added files: /php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en lang.php settings.php /php-wiki-web/dokuwiki/lib/plugins/recaptcha action.php info.txt /php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf default.php metadata.php /php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de settings.php lang.php /php-wiki-web/dokuwiki/lib/plugins/recaptcha/lib recaptchalib.php Log: - added repcatcha plugin

http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en/lang.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en/lang.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en/lang.php <?php /** * English language file * * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ $lang['testfailed'] = "The recaptcha wasn't answered correctly."; http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en/settings.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en/settings.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/en/settings.php <?php /** * German language file * * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ $lang['publickey'] = "Recaptcha public key (<a href='http://www.recaptcha.net/api/getkey?app=dokuwiki' target='_blank' title='http://recaptcha.net'>http://recaptcha.net</a>)"; $lang['privatekey'] = "Recaptcha private key (<a href='http://www.recaptcha.net/api/getkey?app=dokuwiki' target='_blank' title='http://recaptcha.net'>http://recaptcha.net</a>)"; $lang['theme'] = 'Theme'; $lang['lang'] = 'Recaptcha language (if empty, it tries to use the language setting of DokuWiki)'; http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/action.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/action.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/action.php <?php if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../../').'/'); if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); require_once(DOKU_PLUGIN.'action.php'); require_once(dirname(__FILE__).'/lib/recaptchalib.php'); /** * @license GPL 2 (http://www.gnu.org/licenses/gpl2.html) * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ class action_plugin_recaptcha extends DokuWiki_Action_Plugin { private $recaptchaLangs = array('en', 'nl', 'fr', 'de', 'pt', 'ru', 'es', 'tr'); /** * get plugin info * */ function getInfo() { return confToHash(dirname(__FILE__).'../info.txt'); } /** * register an event hook * */ function register(&$controller) { // only register the hooks if the necessary config paramters exist if($this->getConf('publickey') && $this->getConf('privatekey')) { $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'preprocess', array()); // new hook $controller->register_hook('HTML_REGISTERFORM_OUTPUT', 'BEFORE', $this, 'insert', array('oldhook' => false)); // old hook $controller->register_hook('HTML_REGISTERFORM_INJECTION', 'BEFORE', $this, 'insert', array('oldhook' => true)); } } /** * insert html code for recaptcha into the register form * * @param obj $event * @param array $param */ function insert(&$event, $param) { global $conf; $recaptcha = '<div style="width: 320px;"></div>'; // see first if a language is defined for the plugin, if not try to use the language defined for dokuwiki $lang = $this->getConf('lang') ? $this->getConf('lang') : (in_array($conf['lang'], $this->recaptchaLangs) ? $conf['lang'] : 'en'); $recaptcha .= "<script type='text/javascript'> var RecaptchaOptions = {"; $recaptcha .= $this->getConf('theme') ? "theme: '".$this->getConf('theme')."'," : ''; $recaptcha .= "lang: '".$lang."'"; $recaptcha .= " }; </script>"; $recaptcha .= recaptcha_get_html($this->getConf('publickey')); if($param['oldhook']) { echo $recaptcha; } else { $pos = $event->data->findElementByAttribute('type','submit'); $event->data->insertElement($pos++, $recaptcha); } } /** * process the answer to the captcha * * @param obj $event * @param array $param * */ function preprocess(&$event, $param) { // get and clean the action $act = $this->_act_clean($event->data); // check if we are in a registration process if(!('register' == $act && $_POST['save'])) { return; } $resp = recaptcha_check_answer ($this->getConf('privatekey'), $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]); if (!$resp->is_valid) { msg($this->getLang('testfailed'),-1); $_POST['save'] = false; } } /** * Pre-Sanitize the action command * * Similar to act_clean in action.php but simplified and without * error messages * (taken from Andreas Gohrs captcha plugin) */ function _act_clean($act){ // check if the action was given as array key if(is_array($act)){ list($act) = array_keys($act); } //remove all bad chars $act = strtolower($act); $act = preg_replace('/[^a-z_]+/','',$act); return $act; } } //end of action class http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/info.txt?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/info.txt +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/info.txt # General Plugin Info do not edit author Adrian Schlegel, lsmith, Pierre Spring email contact@liip.ch date 2008-06-17 name recaptcha desc add a recaptcha to the register form http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf/default.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf/default.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf/default.php <?php /** * Options for the recaptcha plugin * * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ $conf['publickey'] = '6LfbQQIAAAAAAHh-VSMCG6mUyYqrc5IjaWp8h4G-'; // ask lsmith@php.net for the key $conf['privatekey'] = getenv('dokuwikirecaptcha'); $conf['theme'] = 'red'; $conf['lang'] = 'en'; http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf/metadata.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf/metadata.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/conf/metadata.php <?php /** * Options for the recaptcha plugin * * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ $meta['publickey'] = array('string'); $meta['privatekey'] = array('string'); $meta['theme'] = array('multichoice', '_choices'=>array('red', 'white', 'blackglass', 'custom')); $meta['lang'] = array('multichoice', '_choices'=>array('en', 'nl', 'fr', 'de', 'pt', 'ru', 'es', 'tr')); http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de/settings.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de/settings.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de/settings.php <?php /** * German language file * * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ $lang['publickey'] = "Öffentlicher Recaptcha Schlüssel (<a href='http://recaptcha.net/api/getkey?app=dokuwiki' target='_blank' title='http://recaptcha.net'>http://recaptcha.net</a>)"; $lang['privatekey'] = "Privater Recaptcha Schlüssel (<a href='http://recaptcha.net/api/getkey?app=dokuwiki' target='_blank' title='http://recaptcha.net'>http://recaptcha.net/</a>)"; $lang['theme'] = 'Motiv'; $lang['lang'] = 'Sprache für Recaptcha (falls leer, wird versucht, die Spracheeinstellung von DokuWiki zu übernehmen)'; http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de/lang.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de/lang.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/lang/de/lang.php <?php /** * German language file * * @author Adrian Schlegel <adrian.schlegel@liip.ch> */ $lang['testfailed'] = "Das recaptcha wurde nicht korrekt beantwortet."; http://cvs.php.net/viewvc.cgi/php-wiki-web/dokuwiki/lib/plugins/recaptcha/lib/recaptchalib.php?view=markup&rev=1.1 Index: php-wiki-web/dokuwiki/lib/plugins/recaptcha/lib/recaptchalib.php +++ php-wiki-web/dokuwiki/lib/plugins/recaptcha/lib/recaptchalib.php <?php /* * This is a PHP library that handles calling reCAPTCHA. * - Documentation and latest version * http://recaptcha.net/plugins/php/ * - Get a reCAPTCHA API Key * http://recaptcha.net/api/getkey * - Discussion group * http://groups.google.com/group/recaptcha * * Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net * AUTHORS: * Mike Crawford * Ben Maurer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ /** * The reCAPTCHA server URL's */ define("RECAPTCHA_API_SERVER", "http://api.recaptcha.net"); define("RECAPTCHA_API_SECURE_SERVER", "https://api-secure.recaptcha.net"); define("RECAPTCHA_VERIFY_SERVER", "api-verify.recaptcha.net"); /** * Encodes the given data into a query string format * @param $data - array of string elements to be encoded * @return string - encoded request */ function _recaptcha_qsencode ($data) { $req = ""; foreach ( $data as $key => $value ) $req .= $key . '=' . urlencode( stripslashes($value) ) . '&'; // Cut the last '&' $req=substr($req,0,strlen($req)-1); return $req; } /** * Submits an HTTP POST to a reCAPTCHA server * @param string $host * @param string $path * @param array $data * @param int port * @return array response */ function _recaptcha_http_post($host, $path, $data, $port = 80) { $req = _recaptcha_qsencode ($data); $http_request = "POST $path HTTP/1.0\r\n"; $http_request .= "Host: $host\r\n"; $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n"; $http_request .= "Content-Length: " . strlen($req) . "\r\n"; $http_request .= "User-Agent: reCAPTCHA/PHP\r\n"; $http_request .= "\r\n"; $http_request .= $req; $response = ''; if( false == ( $fs = @fsockopen($host, $port, $errno, $errstr, 10) ) ) { die ('Could not open socket'); } fwrite($fs, $http_request); while ( !feof($fs) ) $response .= fgets($fs, 1160); // One TCP-IP packet fclose($fs); $response = explode("\r\n\r\n", $response, 2); return $response; } /** * Gets the challenge HTML (javascript and non-javascript version). * This is called from the browser, and the resulting reCAPTCHA HTML widget * is embedded within the HTML form it was called from. * @param string $pubkey A public key for reCAPTCHA * @param string $error The error given by reCAPTCHA (optional, default is null) * @param boolean $use_ssl Should the request be made over ssl? (optional, default is false) * @return string - The HTML to be embedded in the user's form. */ function recaptcha_get_html ($pubkey, $error = null, $use_ssl = false) { if ($pubkey == null || $pubkey == '') { die ("To use reCAPTCHA you must get an API key from <a href='http://recaptcha.net/api/getkey'>http://recaptcha.net/api/getkey</a>"); } if ($use_ssl) { $server = RECAPTCHA_API_SECURE_SERVER; } else { $server = RECAPTCHA_API_SERVER; } $errorpart = ""; if ($error) { $errorpart = "&amp;error=" . $error; } return '<script type="text/javascript" src="'. $server . '/challenge?k=' . $pubkey . $errorpart . '"></script> <noscript> <iframe src="'. $server . '/noscript?k=' . $pubkey . $errorpart . '" height="300" width="500" frameborder="0"></iframe><br/> <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea> <input type="hidden" name="recaptcha_response_field" value="manual_challenge"/> </noscript>'; } /** * A ReCaptchaResponse is returned from recaptcha_check_answer() */ class ReCaptchaResponse { var $is_valid; var $error; } /** * Calls an HTTP POST function to verify if the user's guess was correct * @param string $privkey * @param string $remoteip * @param string $challenge * @param string $response * @param array $extra_params an array of extra variables to post to the server * @return ReCaptchaResponse */ function recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $extra_params = array()) { if ($privkey == null || $privkey == '') { die ("To use reCAPTCHA you must get an API key from <a href='http://recaptcha.net/api/getkey'>http://recaptcha.net/api/getkey</a>"); } if ($remoteip == null || $remoteip == '') { die ("For security reasons, you must pass the remote ip to reCAPTCHA"); } //discard spam submissions if ($challenge == null || strlen($challenge) == 0 || $response == null || strlen($response) == 0) { $recaptcha_response = new ReCaptchaResponse(); $recaptcha_response->is_valid = false; $recaptcha_response->error = 'incorrect-captcha-sol'; return $recaptcha_response; } $response = _recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/verify", array ( 'privatekey' => $privkey, 'remoteip' => $remoteip, 'challenge' => $challenge, 'response' => $response ) + $extra_params ); $answers = explode ("\n", $response [1]); $recaptcha_response = new ReCaptchaResponse(); if (trim ($answers [0]) == 'true') { $recaptcha_response->is_valid = true; } else { $recaptcha_response->is_valid = false; $recaptcha_response->error = $answers [1]; } return $recaptcha_response; } /** * gets a URL where the user can sign up for reCAPTCHA. If your application * has a configuration page where you enter a key, you should provide a link * using this function. * @param string $domain The domain where the page is hosted * @param string $appname The name of your application */ function recaptcha_get_signup_url ($domain = null, $appname = null) { return "http://recaptcha.net/api/getkey?" . _recaptcha_qsencode (array ('domain' => $domain, 'app' => $appname)); } function _recaptcha_aes_pad($val) { $block_size = 16; $numpad = $block_size - (strlen ($val) % $block_size); return str_pad($val, strlen ($val) + $numpad, chr($numpad)); } /* Mailhide related code */ function _recaptcha_aes_encrypt($val,$ky) { if (! function_exists ("mcrypt_encrypt")) { die ("To use reCAPTCHA Mailhide, you need to have the mcrypt php module installed."); } $mode=MCRYPT_MODE_CBC; $enc=MCRYPT_RIJNDAEL_128; $val=_recaptcha_aes_pad($val); return mcrypt_encrypt($enc, $ky, $val, $mode, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); } function _recaptcha_mailhide_urlbase64 ($x) { return strtr(base64_encode ($x), '+/', '-_'); } /* gets the reCAPTCHA Mailhide url for a given email, public key and private key */ function recaptcha_mailhide_url($pubkey, $privkey, $email) { if ($pubkey == '' || $pubkey == null || $privkey == "" || $privkey == null) { die ("To use reCAPTCHA Mailhide, you have to sign up for a public and private key, " . "you can do so at <a href='http://mailhide.recaptcha.net/apikey'>http://mailhide.recaptcha.net/apikey</a>"); } $ky = pack('H*', $privkey); $cryptmail = _recaptcha_aes_encrypt ($email, $ky); return "http://mailhide.recaptcha.net/d?k=" . $pubkey . "&c=" . _recaptcha_mailhide_urlbase64 ($cryptmail); } /** * gets the parts of the email to expose to the user. * eg, given johndoe@example,com return ["john", "example.com"]. * the email is then displayed as john...@example.com */ function _recaptcha_mailhide_email_parts ($email) { $arr = preg_split("/@/", $email ); if (strlen ($arr[0]) <= 4) { $arr[0] = substr ($arr[0], 0, 1); } else if (strlen ($arr[0]) <= 6) { $arr[0] = substr ($arr[0], 0, 3); } else { $arr[0] = substr ($arr[0], 0, 4); } return $arr; } /** * Gets html to display an email address given a public an private key. * to get a key, go to: * * http://mailhide.recaptcha.net/apikey */ function recaptcha_mailhide_html($pubkey, $privkey, $email) { $emailparts = _recaptcha_mailhide_email_parts ($email); $url = recaptcha_mailhide_url ($pubkey, $privkey, $email); return htmlentities($emailparts[0]) . "<a href='" . htmlentities ($url) . "' onclick=\"window.open('" . htmlentities ($url) . "', '', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=300'); return false;\" title=\"Reveal this e-mail address\">...</a>@" . htmlentities ($emailparts [1]); } ?>