New reCaptcha 2.0

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Oyabun1
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Name: Bill

Re: New reCaptcha 2.0

Post by Oyabun1 » Thu Sep 24, 2015 3:59 am

fujicoin.org wrote:It's all,
Except the instructions shown to users will be wrong.

Open /language/en/captcha_recaptcha.php

Find

Code: Select all

    'RECAPTCHA_EXPLAIN'                => 'In an effort to prevent automatic submissions, we require that you enter both of the words displayed into the text field underneath.', 
Replace with

Code: Select all

	'RECAPTCHA_EXPLAIN'				=> 'In an effort to prevent automatic submissions, we require that you click the square.',
fujicoin.org wrote:6. Clear cache

root@ # rm /var/www/phpBB3/cache/*
Removing the index.htm and .htaccess files isn't a good idea. They are there to add additional security. Purging the board's cache can be correctly done by simply clicking the button provided for that purpose in the ACP.
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marc60
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Posts: 28
Joined: Thu Mar 21, 2013 2:20 pm

Re: New reCaptcha 2.0

Post by marc60 » Wed Oct 07, 2015 1:35 pm

The code for phpbb_recaptcha_plugin.php seems to be wrong. I dont get it with all + and - . Can someone please upload the correct file? what be great or tell me how to handle this. thanks

Code: Select all

@@ -22,6 +22,8 @@
    include($phpbb_root_path . 'includes/captcha/plugins/captcha_abstract.' . $phpEx);
 }
 
+require_once 'autoload.php';
+
 /**
 * @package VC
 */
@@ -33,10 +35,11 @@
    // 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 $recaptcha_verify_path = '/recaptcha/api/siteverify';
 
    var $challenge;
    var $response;
+        var $g_recaptcha_response;
 
    // PHP4 Constructor
    function phpbb_recaptcha()
@@ -50,8 +53,7 @@
 
       $user->add_lang('captcha_recaptcha');
       parent::init($type);
-      $this->challenge = request_var('recaptcha_challenge_field', '');
-      $this->response = request_var('recaptcha_response_field', '');
+                $this->g_recaptcha_response = request_var('g-recaptcha-response', '');
    }
 
    function &get_instance()
@@ -213,80 +215,8 @@
       }
    }
 
-// 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
@@ -296,23 +226,17 @@
       global $config, $user;
 
       //discard spam submissions
-      if ($this->challenge == null || strlen($this->challenge) == 0 || $this->response == null || strlen($this->response) == 0)
+                if ($this->g_recaptcha_response == null || strlen($this->g_recaptcha_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')
+        $recaptcha = new ReCaptcha\ReCaptcha($config['recaptcha_privkey']);
+        $resp = $recaptcha->verify($this->g_recaptcha_response, $user->ip);
+
+        if ($resp->isSuccess())
       {
          $this->solved = true;
          return false;
@@ -323,23 +247,6 @@
       }
    }
 
-   /**
-   * 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;
-   }
-}
-
I dont get this code

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DavidIQ
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Re: New reCaptcha 2.0

Post by DavidIQ » Wed Oct 07, 2015 1:52 pm

It's in patch format. You will need to copy the code to a file, save it as patch.diff, then apply it to your existing phpbb_recaptcha_plugin.php file using TortoiseMerge or WinMerge or similar.
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marc60
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Joined: Thu Mar 21, 2013 2:20 pm

Re: New reCaptcha 2.0

Post by marc60 » Wed Oct 07, 2015 2:03 pm

Hi david,

thank you for your quick reply. I tried it with both programms but when I say copy from right (patch.diff) to left (php file) its not working. The left becomes same as right.

When anybody is here that have already the finished file, please copy and paste it in. thank you so much.

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_Vinny_
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Re: New reCaptcha 2.0

Post by _Vinny_ » Wed Oct 07, 2015 6:03 pm


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DavidIQ
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Re: New reCaptcha 2.0

Post by DavidIQ » Mon Oct 12, 2015 7:24 am

An additional source for those that need reCaptcha 2.0:
http://blog.eamster.tk/?p=400
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