diff --git a/inc/functions.php b/inc/functions.php index c87a6c3c..e7e5aa14 100755 --- a/inc/functions.php +++ b/inc/functions.php @@ -289,9 +289,6 @@ function loadConfig() { if ($config['syslog']) openlog('tinyboard', LOG_ODELAY, LOG_SYSLOG); // open a connection to sysem logger - if ($config['recaptcha']) - require_once 'inc/lib/recaptcha/recaptchalib.php'; - if ($config['cache']['enabled']) require_once 'inc/cache.php'; diff --git a/inc/lib/recaptcha/LICENSE b/inc/lib/recaptcha/LICENSE deleted file mode 100644 index b612f71f..00000000 --- a/inc/lib/recaptcha/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ -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. diff --git a/inc/lib/recaptcha/recaptchalib.php b/inc/lib/recaptcha/recaptchalib.php deleted file mode 100644 index 32c4f4d7..00000000 --- a/inc/lib/recaptcha/recaptchalib.php +++ /dev/null @@ -1,277 +0,0 @@ - $value ) - $req .= $key . '=' . urlencode( stripslashes($value) ) . '&'; - - // Cut the last '&' - $req=substr($req,0,strlen($req)-1); - return $req; -} - - - -/** - * 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) { - - $req = _recaptcha_qsencode ($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\r\n"; - $http_request .= "\r\n"; - $http_request .= $req; - - $response = ''; - if( false == ( $fs = @fsockopen($host, $port, $errno, $errstr, 10) ) ) { - die ('Could not open socket'); - } - - fwrite($fs, $http_request); - - while ( !feof($fs) ) - $response .= fgets($fs, 1160); // One TCP-IP packet - fclose($fs); - $response = explode("\r\n\r\n", $response, 2); - - return $response; -} - - - -/** - * Gets the challenge HTML (javascript and non-javascript version). - * This is called from the browser, and the resulting reCAPTCHA HTML widget - * is embedded within the HTML form it was called from. - * @param string $pubkey A public key for reCAPTCHA - * @param string $error The error given by reCAPTCHA (optional, default is null) - * @param boolean $use_ssl Should the request be made over ssl? (optional, default is false) - - * @return string - The HTML to be embedded in the user's form. - */ -function recaptcha_get_html ($pubkey, $error = null, $use_ssl = false) -{ - if ($pubkey == null || $pubkey == '') { - die ("To use reCAPTCHA you must get an API key from https://www.google.com/recaptcha/admin/create"); - } - - if ($use_ssl) { - $server = RECAPTCHA_API_SECURE_SERVER; - } else { - $server = RECAPTCHA_API_SERVER; - } - - $errorpart = ""; - if ($error) { - $errorpart = "&error=" . $error; - } - return ' - - '; -} - - - - -/** - * A ReCaptchaResponse is returned from recaptcha_check_answer() - */ -class ReCaptchaResponse { - var $is_valid; - var $error; -} - - -/** - * Calls an HTTP POST function to verify if the user's guess was correct - * @param string $privkey - * @param string $remoteip - * @param string $challenge - * @param string $response - * @param array $extra_params an array of extra variables to post to the server - * @return ReCaptchaResponse - */ -function recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $extra_params = array()) -{ - if ($privkey == null || $privkey == '') { - die ("To use reCAPTCHA you must get an API key from https://www.google.com/recaptcha/admin/create"); - } - - if ($remoteip == null || $remoteip == '') { - die ("For security reasons, you must pass the remote ip to reCAPTCHA"); - } - - - - //discard spam submissions - if ($challenge == null || strlen($challenge) == 0 || $response == null || strlen($response) == 0) { - $recaptcha_response = new ReCaptchaResponse(); - $recaptcha_response->is_valid = false; - $recaptcha_response->error = 'incorrect-captcha-sol'; - return $recaptcha_response; - } - - $response = _recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/recaptcha/api/verify", - array ( - 'privatekey' => $privkey, - 'remoteip' => $remoteip, - 'challenge' => $challenge, - 'response' => $response - ) + $extra_params - ); - - $answers = explode ("\n", $response [1]); - $recaptcha_response = new ReCaptchaResponse(); - - if (trim ($answers [0]) == 'true') { - $recaptcha_response->is_valid = true; - } - else { - $recaptcha_response->is_valid = false; - $recaptcha_response->error = $answers [1]; - } - return $recaptcha_response; - -} - -/** - * gets a URL where the user can sign up for reCAPTCHA. If your application - * has a configuration page where you enter a key, you should provide a link - * using this function. - * @param string $domain The domain where the page is hosted - * @param string $appname The name of your application - */ -function recaptcha_get_signup_url ($domain = null, $appname = null) { - return "https://www.google.com/recaptcha/admin/create?" . _recaptcha_qsencode (array ('domains' => $domain, 'app' => $appname)); -} - -function _recaptcha_aes_pad($val) { - $block_size = 16; - $numpad = $block_size - (strlen ($val) % $block_size); - return str_pad($val, strlen ($val) + $numpad, chr($numpad)); -} - -/* Mailhide related code */ - -function _recaptcha_aes_encrypt($val,$ky) { - if (! function_exists ("mcrypt_encrypt")) { - die ("To use reCAPTCHA Mailhide, you need to have the mcrypt php module installed."); - } - $mode=MCRYPT_MODE_CBC; - $enc=MCRYPT_RIJNDAEL_128; - $val=_recaptcha_aes_pad($val); - return mcrypt_encrypt($enc, $ky, $val, $mode, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); -} - - -function _recaptcha_mailhide_urlbase64 ($x) { - return strtr(base64_encode ($x), '+/', '-_'); -} - -/* gets the reCAPTCHA Mailhide url for a given email, public key and private key */ -function recaptcha_mailhide_url($pubkey, $privkey, $email) { - if ($pubkey == '' || $pubkey == null || $privkey == "" || $privkey == null) { - die ("To use reCAPTCHA Mailhide, you have to sign up for a public and private key, " . - "you can do so at http://www.google.com/recaptcha/mailhide/apikey"); - } - - - $ky = pack('H*', $privkey); - $cryptmail = _recaptcha_aes_encrypt ($email, $ky); - - return "http://www.google.com/recaptcha/mailhide/d?k=" . $pubkey . "&c=" . _recaptcha_mailhide_urlbase64 ($cryptmail); -} - -/** - * gets the parts of the email to expose to the user. - * eg, given johndoe@example,com return ["john", "example.com"]. - * the email is then displayed as john...@example.com - */ -function _recaptcha_mailhide_email_parts ($email) { - $arr = preg_split("/@/", $email ); - - if (strlen ($arr[0]) <= 4) { - $arr[0] = substr ($arr[0], 0, 1); - } else if (strlen ($arr[0]) <= 6) { - $arr[0] = substr ($arr[0], 0, 3); - } else { - $arr[0] = substr ($arr[0], 0, 4); - } - return $arr; -} - -/** - * Gets html to display an email address given a public an private key. - * to get a key, go to: - * - * http://www.google.com/recaptcha/mailhide/apikey - */ -function recaptcha_mailhide_html($pubkey, $privkey, $email) { - $emailparts = _recaptcha_mailhide_email_parts ($email); - $url = recaptcha_mailhide_url ($pubkey, $privkey, $email); - - return htmlentities($emailparts[0]) . "...@" . htmlentities ($emailparts [1]); - -} - - -?> diff --git a/post.php b/post.php index f3c2c6e2..aca524fd 100644 --- a/post.php +++ b/post.php @@ -383,14 +383,15 @@ if (isset($_POST['delete'])) { if (!$dropped_post) { // Check for CAPTCHA right after opening the board so the "return" link is in there if ($config['recaptcha']) { - if (!isset($_POST['recaptcha_challenge_field']) || !isset($_POST['recaptcha_response_field'])) + if (!isset($_POST['g-recaptcha-response'])) error($config['error']['bot']); // Check what reCAPTCHA has to say... - $resp = recaptcha_check_answer($config['recaptcha_private'], - $_SERVER['REMOTE_ADDR'], - $_POST['recaptcha_challenge_field'], - $_POST['recaptcha_response_field']); - if (!$resp->is_valid) { + $resp = json_decode(file_get_contents(sprintf('https://www.google.com/recaptcha/api/siteverify?secret=%s&response=%s&remoteip=%s', + $config['recaptcha_private'], + $_POST['g-recaptcha-response'], + $_SERVER['REMOTE_ADDR'])), true); + + if (!$resp['success']) { error($config['error']['captcha']); } // Same, but now with our custom captcha provider