diff options
Diffstat (limited to 'phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php')
| -rw-r--r-- | phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php | 150 |
1 files changed, 77 insertions, 73 deletions
diff --git a/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php b/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php index 2593f1259c..f9bd345f02 100644 --- a/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php +++ b/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php @@ -1,8 +1,8 @@ -<? +<?php /** * * @package VC -* @version $Id: $ +* @version $Id: constants.php 8818 2008-09-04 14:06:43Z acydburn $ * @copyright (c) 2006 2008 phpBB Group * @license http://opensource.org/licenses/gpl-license.php GNU Public License * @@ -16,9 +16,8 @@ if (!defined('IN_PHPBB')) exit; } - // we need the classic captcha code for tracking solutions and attempts -include_once(PHPBB_ROOT_PATH . "includes/captcha/plugins/captcha_abstract." . PHP_EXT); +include_once(PHPBB_ROOT_PATH . 'includes/captcha/plugins/captcha_abstract.' . PHP_EXT); class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plugin { @@ -27,18 +26,17 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu protected $challenge; protected $response; - function init($type) { global $config, $db, $user; - + $user->add_lang('recaptcha'); parent::init($type); + $this->challenge = request_var('recaptcha_challenge_field', ''); $this->response = request_var('recaptcha_response_field', ''); } - - + public static function get_instance() { return new phpbb_recaptcha(); @@ -46,25 +44,25 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu static function is_available() { - global $config, $user; + global $config, $user; $user->add_lang('recaptcha'); return (isset($config['recaptcha_pubkey']) && !empty($config['recaptcha_pubkey'])); } - + static function get_name() { return 'CAPTCHA_RECAPTCHA'; } - + static function get_class_name() { return 'phpbb_recaptcha'; } - + function acp_page($id, &$module) { global $config, $db, $template, $user; - + $captcha_vars = array( 'recaptcha_pubkey' => 'RECAPTCHA_PUBKEY', 'recaptcha_privkey' => 'RECAPTCHA_PRIVKEY', @@ -108,47 +106,47 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu } } - - + + // not needed function execute_demo() { } - - + + // not needed function execute() { } - - + + function get_template() { global $config, $user, $template; - + $template->set_filenames(array( 'captcha' => 'captcha_recaptcha.html') ); - + $template->assign_vars(array( 'RECAPTCHA_SERVER' => self::recaptcha_server, 'RECAPTCHA_PUBKEY' => isset($config['recaptcha_pubkey']) ? $config['recaptcha_pubkey'] : '', 'RECAPTCHA_ERRORGET' => '', 'S_RECAPTCHA_AVAILABLE' => self::is_available(), )); - + return $template->assign_display('captcha'); } - + function get_demo_template($id) { return $this->get_template(); } - + function get_hidden_fields() { $hidden_fields = array(); - + // this is required for postig.php - otherwise we would forget about the captcha being already solved if ($this->solved) { @@ -157,17 +155,17 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu $hidden_fields['confirm_id'] = $this->confirm_id; return $hidden_fields; } - + function uninstall() { self::garbage_collect(0); } - + function install() { return; } - + function validate() { if (!parent::validate()) @@ -179,7 +177,7 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu return $this->recaptcha_check_answer(); } } - + // Code from here on is based on recaptchalib.php /* @@ -216,14 +214,14 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu */ /** - * Submits an HTTP POST to a reCAPTCHA server - * @param string $host - * @param string $path - * @param array $data - * @param int port - * @return array response - */ - protected function _recaptcha_http_post($host, $path, $data, $port = 80) + * Submits an HTTP POST to a reCAPTCHA server + * @param string $host + * @param string $path + * @param array $data + * @param int port + * @return array response + */ + protected function _recaptcha_http_post($host, $path, $data, $port = 80) { $req = $this->_recaptcha_qsencode ($data); @@ -236,52 +234,56 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu $http_request .= $req; $response = ''; - if( false == ( $fs = @fsockopen($host, $port, $errno, $errstr, 10) ) ) { - die ('Could not open socket'); + if (false == ($fs = @fsockopen($host, $port, $errno, $errstr, 10))) + { + trigger_error('Could not open socket', E_USER_ERROR); } fwrite($fs, $http_request); - while ( !feof($fs) ) - $response .= fgets($fs, 1160); // One TCP-IP packet + 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 $extra_params an array of extra variables to post to the server - * @return ReCaptchaResponse - */ - protected function recaptcha_check_answer ($extra_params = array()) + * Calls an HTTP POST function to verify if the user's guess was correct + * @param array $extra_params an array of extra variables to post to the server + * @return ReCaptchaResponse + */ + protected function recaptcha_check_answer($extra_params = array()) { global $config, $user; - //discard spam submissions - if ($this->challenge == null || strlen($this->challenge) == 0 || $this->response == null || strlen($this->response) == 0) + + // discard spam submissions + if ($this->challenge == null || strlen($this->challenge) == 0 || $this->response == null || strlen($this->response) == 0) { - return $user->lang['RECAPTCHA_INCORRECT']; + return $user->lang['RECAPTCHA_INCORRECT']; } - $response = $this->_recaptcha_http_post (self::recaptcha_verify_server, "/verify", - 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') + $response = $this->_recaptcha_http_post(self::recaptcha_verify_server, '/verify', 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') { $this->solved = true; return false; } - else + else { if ($answers[1] === 'incorrect-captcha-sol') { @@ -289,22 +291,24 @@ class phpbb_recaptcha extends phpbb_default_captcha implements phpbb_captcha_plu } } } - - /** - * Encodes the given data into a query string format - * @param $data - array of string elements to be encoded - * @return string - encoded request - */ - protected function _recaptcha_qsencode ($data) + + /** + * Encodes the given data into a query string format + * @param $data - array of string elements to be encoded + * @return string - encoded request + */ + protected function _recaptcha_qsencode($data) { $req = ''; - foreach ( $data as $key => $value ) + + foreach ($data as $key => $value) { - $req .= $key . '=' . urlencode( stripslashes($value) ) . '&'; + $req .= $key . '=' . urlencode(stripslashes($value)) . '&'; } // Cut the last '&' - $req=substr($req,0,strlen($req)-1); + $req = substr($req, 0, strlen($req) - 1); return $req; } } +?>
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