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[ticket/13789] Upgrade reCaptcha plugin to 2.0 API.

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PHPBB3-13789
This commit is contained in:
Cesar G
2015-10-13 07:39:46 -07:00
parent 2781623185
commit 90038e32cd
6 changed files with 20 additions and 169 deletions
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127
phpBB/phpbb/captcha/plugins/recaptcha.php
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@@ -18,12 +18,6 @@ class recaptcha extends captcha_abstract
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 $response;
/**
@@ -37,12 +31,11 @@ class recaptcha extends captcha_abstract
function init($type)
{
global $config, $db, $user, $request;
global $user, $request;
$user->add_lang('captcha_recaptcha');
parent::init($type);
$this->challenge = $request->variable('recaptcha_challenge_field', '');
$this->response = $request->variable('recaptcha_response_field', '');
$this->response = $request->variable('g-recaptcha-response', '');
}
public function is_available()
@@ -75,7 +68,7 @@ class recaptcha extends captcha_abstract
function acp_page($id, &$module)
{
global $config, $db, $template, $user, $phpbb_log, $request;
global $config, $template, $user, $phpbb_log, $request;
$captcha_vars = array(
'recaptcha_pubkey' => 'RECAPTCHA_PUBKEY',
@@ -151,7 +144,6 @@ class recaptcha extends captcha_abstract
$template->assign_vars(array(
'RECAPTCHA_SERVER' => $this->recaptcha_server,
'RECAPTCHA_PUBKEY' => isset($config['recaptcha_pubkey']) ? $config['recaptcha_pubkey'] : '',
'RECAPTCHA_ERRORGET' => '',
'S_RECAPTCHA_AVAILABLE' => self::is_available(),
'S_CONFIRM_CODE' => true,
'S_TYPE' => $this->type,
@@ -202,106 +194,25 @@ class recaptcha extends captcha_abstract
}
}
// 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, $errstr, 10)))
{
trigger_error('RECAPTCHA_SOCKET_ERROR', E_USER_ERROR);
}
fwrite($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 $extra_params an array of extra variables to post to the server
* @return ReCaptchaResponse
*
* @return bool|string Returns false on success or error string on failure.
*/
function recaptcha_check_answer($extra_params = array())
function recaptcha_check_answer()
{
global $config, $user;
//discard spam submissions
if ($this->challenge == null || strlen($this->challenge) == 0 || $this->response == null || strlen($this->response) == 0)
if ($this->response == null || strlen($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
);
$recaptcha = new \ReCaptcha\ReCaptcha($config['recaptcha_privkey']);
$result = $recaptcha->verify($this->response, $user->ip);
$answers = explode("\n", $response[1]);
if (trim($answers[0]) === 'true')
if ($result->isSuccess())
{
$this->solved = true;
return false;
@@ -311,22 +222,4 @@ class recaptcha extends captcha_abstract
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;
}
}