diff options
Diffstat (limited to 'phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php')
-rw-r--r-- | phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php b/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php deleted file mode 100644 index 0b0270f568..0000000000 --- a/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php +++ /dev/null @@ -1,345 +0,0 @@ -<?php -/** -* -* @package VC -* @version $Id$ -* @copyright (c) 2006, 2008 phpBB Group -* @license http://opensource.org/licenses/gpl-license.php GNU Public License -* -*/ - -/** -* @ignore -*/ -if (!defined('IN_PHPBB')) -{ - exit; -} - -if (!class_exists('phpbb_default_captcha')) -{ - // we need the classic captcha code for tracking solutions and attempts - include($phpbb_root_path . 'includes/captcha/plugins/captcha_abstract.' . $phpEx); -} - -/** -* @package VC -*/ -class phpbb_recaptcha extends phpbb_default_captcha -{ - var $recaptcha_server = 'http://www.google.com/recaptcha/api'; - var $recaptcha_server_secure = 'https://www.google.com/recaptcha/api'; // class constants :( - - // We are opening a socket to port 80 of this host and send - // the POST request asking for verification to the path specified here. - var $recaptcha_verify_server = 'www.google.com'; - var $recaptcha_verify_path = '/recaptcha/api/verify'; - - var $challenge; - var $response; - - // PHP4 Constructor - function phpbb_recaptcha() - { - $this->recaptcha_server = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? $this->recaptcha_server_secure : $this->recaptcha_server; - } - - function init($type) - { - global $config, $db, $user; - - $user->add_lang('captcha_recaptcha'); - parent::init($type); - $this->challenge = request_var('recaptcha_challenge_field', ''); - $this->response = request_var('recaptcha_response_field', ''); - } - - function &get_instance() - { - $instance =& new phpbb_recaptcha(); - return $instance; - } - - function is_available() - { - global $config, $user; - $user->add_lang('captcha_recaptcha'); - return (isset($config['recaptcha_pubkey']) && !empty($config['recaptcha_pubkey'])); - } - - /** - * API function - */ - function has_config() - { - return true; - } - - function get_name() - { - return 'CAPTCHA_RECAPTCHA'; - } - - function get_class_name() - { - return 'phpbb_recaptcha'; - } - - function acp_page($id, &$module) - { - global $config, $db, $template, $user; - - $captcha_vars = array( - 'recaptcha_pubkey' => 'RECAPTCHA_PUBKEY', - 'recaptcha_privkey' => 'RECAPTCHA_PRIVKEY', - ); - - $module->tpl_name = 'captcha_recaptcha_acp'; - $module->page_title = 'ACP_VC_SETTINGS'; - $form_key = 'acp_captcha'; - add_form_key($form_key); - - $submit = request_var('submit', ''); - - if ($submit && check_form_key($form_key)) - { - $captcha_vars = array_keys($captcha_vars); - foreach ($captcha_vars as $captcha_var) - { - $value = request_var($captcha_var, ''); - if ($value) - { - set_config($captcha_var, $value); - } - } - - add_log('admin', 'LOG_CONFIG_VISUAL'); - trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($module->u_action)); - } - else if ($submit) - { - trigger_error($user->lang['FORM_INVALID'] . adm_back_link($module->u_action)); - } - else - { - foreach ($captcha_vars as $captcha_var => $template_var) - { - $var = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, '') : ((isset($config[$captcha_var])) ? $config[$captcha_var] : ''); - $template->assign_var($template_var, $var); - } - - $template->assign_vars(array( - 'CAPTCHA_PREVIEW' => $this->get_demo_template($id), - 'CAPTCHA_NAME' => $this->get_class_name(), - 'U_ACTION' => $module->u_action, - )); - - } - } - - // not needed - function execute_demo() - { - } - - // not needed - function execute() - { - } - - function get_template() - { - global $config, $user, $template; - - if ($this->is_solved()) - { - return false; - } - else - { - $explain = $user->lang(($this->type != CONFIRM_POST) ? 'CONFIRM_EXPLAIN' : 'POST_CONFIRM_EXPLAIN', '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">', '</a>'); - - $template->assign_vars(array( - 'RECAPTCHA_SERVER' => $this->recaptcha_server, - 'RECAPTCHA_PUBKEY' => isset($config['recaptcha_pubkey']) ? $config['recaptcha_pubkey'] : '', - 'RECAPTCHA_ERRORGET' => '', - 'S_RECAPTCHA_AVAILABLE' => $this->is_available(), - 'S_CONFIRM_CODE' => true, - 'S_TYPE' => $this->type, - 'L_CONFIRM_EXPLAIN' => $explain, - )); - - return 'captcha_recaptcha.html'; - } - } - - function get_demo_template($id) - { - return $this->get_template(); - } - - function get_hidden_fields() - { - $hidden_fields = array(); - - // this is required for posting.php - otherwise we would forget about the captcha being already solved - if ($this->solved) - { - $hidden_fields['confirm_code'] = $this->code; - } - $hidden_fields['confirm_id'] = $this->confirm_id; - return $hidden_fields; - } - - function uninstall() - { - $this->garbage_collect(0); - } - - function install() - { - return; - } - - function validate() - { - if (!parent::validate()) - { - return false; - } - else - { - return $this->recaptcha_check_answer(); - } - } - -// Code from here on is based on recaptchalib.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. - */ - - /** - * 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 = $this->_recaptcha_qsencode ($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/phpBB\r\n"; - $http_request .= "\r\n"; - $http_request .= $req; - - $response = ''; - if (false == ($fs = @fsockopen($host, $port, $errno, $errstr, 10))) - { - trigger_error('Could not open socket', E_USER_ERROR); - } - - fwrite($fs, $http_request); - - while (!feof($fs)) - { - // One TCP-IP packet - $response .= fgets($fs, 1160); - } - fclose($fs); - $response = explode("\r\n\r\n", $response, 2); - - return $response; - } - - /** - * Calls an HTTP POST function to verify if the user's guess was correct - * @param array $extra_params an array of extra variables to post to the server - * @return ReCaptchaResponse - */ - function recaptcha_check_answer($extra_params = array()) - { - global $config, $user; - - //discard spam submissions - if ($this->challenge == null || strlen($this->challenge) == 0 || $this->response == null || strlen($this->response) == 0) - { - return $user->lang['RECAPTCHA_INCORRECT']; - } - - $response = $this->_recaptcha_http_post($this->recaptcha_verify_server, $this->recaptcha_verify_path, - array( - 'privatekey' => $config['recaptcha_privkey'], - 'remoteip' => $user->ip, - 'challenge' => $this->challenge, - 'response' => $this->response - ) + $extra_params - ); - - $answers = explode("\n", $response[1]); - - if (trim($answers[0]) === 'true') - { - $this->solved = true; - return false; - } - else - { - return $user->lang['RECAPTCHA_INCORRECT']; - } - } - - /** - * 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; - } -} - -?>
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