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-rw-r--r--phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php345
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;
- }
-}
-
-?> \ No newline at end of file