22
hesk/inc/recaptcha/LICENSE
Normal file
22
hesk/inc/recaptcha/LICENSE
Normal file
@@ -0,0 +1,22 @@
|
||||
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.
|
||||
8
hesk/inc/recaptcha/index.htm
Normal file
8
hesk/inc/recaptcha/index.htm
Normal file
@@ -0,0 +1,8 @@
|
||||
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
|
||||
<HTML><HEAD>
|
||||
<TITLE>403 Forbidden</TITLE>
|
||||
</HEAD><BODY>
|
||||
<H1>Forbidden</H1>
|
||||
You don't have permission to access this folder.<P>
|
||||
<hr />
|
||||
</BODY></HTML>
|
||||
154
hesk/inc/recaptcha/recaptchalib_v2.php
Normal file
154
hesk/inc/recaptcha/recaptchalib_v2.php
Normal file
@@ -0,0 +1,154 @@
|
||||
<?php
|
||||
/**
|
||||
* This is a PHP library that handles calling reCAPTCHA.
|
||||
* - Documentation and latest version
|
||||
* https://developers.google.com/recaptcha/docs/php
|
||||
* - Get a reCAPTCHA API Key
|
||||
* https://www.google.com/recaptcha/admin/create
|
||||
* - Discussion group
|
||||
* http://groups.google.com/group/recaptcha
|
||||
*
|
||||
* @copyright Copyright (c) 2014, Google Inc.
|
||||
* @link http://www.google.com/recaptcha
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* A ReCaptchaResponse is returned from checkAnswer().
|
||||
*/
|
||||
class ReCaptchaResponse
|
||||
{
|
||||
public $success;
|
||||
public $errorCodes;
|
||||
}
|
||||
|
||||
class ReCaptcha
|
||||
{
|
||||
private static $_signupUrl = "https://www.google.com/recaptcha/admin";
|
||||
private static $_siteVerifyUrl =
|
||||
"https://www.google.com/recaptcha/api/siteverify?";
|
||||
private $_secret;
|
||||
private static $_version = "php_1.0";
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*
|
||||
* @param string $secret shared secret between site and ReCAPTCHA server.
|
||||
*/
|
||||
function __construct($secret)
|
||||
{
|
||||
if ($secret == null || $secret == "") {
|
||||
die("To use reCAPTCHA you must get an API key from <a href='"
|
||||
. self::$_signupUrl . "'>" . self::$_signupUrl . "</a>");
|
||||
}
|
||||
$this->_secret=$secret;
|
||||
}
|
||||
|
||||
/**
|
||||
* Encodes the given data into a query string format.
|
||||
*
|
||||
* @param array $data array of string elements to be encoded.
|
||||
*
|
||||
* @return string - encoded request.
|
||||
*/
|
||||
private function _encodeQS($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 GET to a reCAPTCHA server.
|
||||
*
|
||||
* @param string $path url path to recaptcha server.
|
||||
* @param array $data array of parameters to be sent.
|
||||
*
|
||||
* @return array response
|
||||
*/
|
||||
private function _submitHTTPGet($path, $data)
|
||||
{
|
||||
$req = $this->_encodeQS($data);
|
||||
|
||||
// Try using cURL
|
||||
if ( function_exists('curl_init') )
|
||||
{
|
||||
$ch = curl_init();
|
||||
curl_setopt($ch, CURLOPT_URL, $path);
|
||||
curl_setopt($ch, CURLOPT_POST, count($data) );
|
||||
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data, '', '&') );
|
||||
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
|
||||
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
|
||||
$response = curl_exec($ch);
|
||||
curl_close($ch);
|
||||
return $response;
|
||||
}
|
||||
|
||||
// Default to file_get_contents
|
||||
$response = file_get_contents($path . $req);
|
||||
return $response;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calls the reCAPTCHA siteverify API to verify whether the user passes
|
||||
* CAPTCHA test.
|
||||
*
|
||||
* @param string $remoteIp IP address of end user.
|
||||
* @param string $response response string from recaptcha verification.
|
||||
*
|
||||
* @return ReCaptchaResponse
|
||||
*/
|
||||
public function verifyResponse($remoteIp, $response)
|
||||
{
|
||||
// Discard empty solution submissions
|
||||
if ($response == null || strlen($response) == 0) {
|
||||
$recaptchaResponse = new ReCaptchaResponse();
|
||||
$recaptchaResponse->success = false;
|
||||
$recaptchaResponse->errorCodes = 'missing-input';
|
||||
return $recaptchaResponse;
|
||||
}
|
||||
|
||||
$getResponse = $this->_submitHttpGet(
|
||||
self::$_siteVerifyUrl,
|
||||
array (
|
||||
'secret' => $this->_secret,
|
||||
'remoteip' => $remoteIp,
|
||||
'v' => self::$_version,
|
||||
'response' => $response
|
||||
)
|
||||
);
|
||||
$answers = json_decode($getResponse, true);
|
||||
$recaptchaResponse = new ReCaptchaResponse();
|
||||
|
||||
if (trim($answers ['success']) == true) {
|
||||
$recaptchaResponse->success = true;
|
||||
} else {
|
||||
$recaptchaResponse->success = false;
|
||||
$recaptchaResponse->errorCodes = $answers [error-codes];
|
||||
}
|
||||
|
||||
return $recaptchaResponse;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user