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<?php
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/**
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 *
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 * @category        frontend
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 * @package         account
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 * @author          WebsiteBaker Project
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 * @copyright       2004-2009, Ryan Djurovich
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 * @copyright       2009-2011, Website Baker Org. e.V.
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 * @link			http://www.websitebaker2.org/
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 * @license         http://www.gnu.org/licenses/gpl.html
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 * @platform        WebsiteBaker 2.8.x
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 * @requirements    PHP 5.2.2 and higher
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 * @version         $Id$
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 * @filesource		$HeadURL$
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 * @lastmodified    $Date$
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 *
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 */
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// Must include code to stop this file being access directly
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if(defined('WB_PATH') == false) { die("Cannot access this file directly"); }
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// require_once(WB_PATH.'/framework/class.wb.php');
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$wb = new wb('Start', 'start', false, false);
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$page_id = (!empty($_SESSION['PAGE_ID']) ? $_SESSION['PAGE_ID'] : 0);
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$_SESSION['PAGE_LINK'] = get_page_link( $page_id );
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$_SESSION['HTTP_REFERER'] = (($_SESSION['PAGE_LINK']!='') ? page_link($_SESSION['PAGE_LINK']) : WB_URL);
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// Get details entered
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$groups_id = FRONTEND_SIGNUP;
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$active = 1;
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$username = strtolower(strip_tags($wb->get_post_escaped('username')));
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$display_name = strip_tags($wb->get_post_escaped('display_name'));
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$email = $wb->get_post('email');
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// Create a javascript back link
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$js_back = WB_URL.'/account/signup.php';
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/*
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if (!$wb->checkFTAN())
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{
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	$wb->print_error($MESSAGE['GENERIC_SECURITY_ACCESS'], $js_back, false);
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	exit();
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}
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*/
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// Check values
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if($groups_id == "") {
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	$wb->print_error($MESSAGE['USERS']['NO_GROUP'], $js_back, false);
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}
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if(!preg_match('/^[a-z]{1}[a-z0-9_-]{2,}$/i', $username)) {
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	$wb->print_error( $MESSAGE['USERS_NAME_INVALID_CHARS'].' / '.
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	                  $MESSAGE['USERS_USERNAME_TOO_SHORT'], $js_back);
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}
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if($email != "") {
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	if($wb->validate_email($email) == false) {
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		$wb->print_error($MESSAGE['USERS']['INVALID_EMAIL'], $js_back, false);
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	}
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} else {
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	$wb->print_error($MESSAGE['SIGNUP']['NO_EMAIL'], $js_back, false);
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}
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$email = $wb->add_slashes($email);
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// Captcha
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if(ENABLED_CAPTCHA) {
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	if(isset($_POST['captcha']) AND $_POST['captcha'] != ''){
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		// Check for a mismatch
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		if(!isset($_POST['captcha']) OR !isset($_SESSION['captcha']) OR $_POST['captcha'] != $_SESSION['captcha']) {
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			$wb->print_error($MESSAGE['MOD_FORM']['INCORRECT_CAPTCHA'], $js_back, false);
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		}
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	} else {
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		$wb->print_error($MESSAGE['MOD_FORM']['INCORRECT_CAPTCHA'], $js_back, false);
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	}
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}
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if(isset($_SESSION['captcha'])) { unset($_SESSION['captcha']); }
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// Generate a random password then update the database with it
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$new_pass = '';
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$salt = "abchefghjkmnpqrstuvwxyz0123456789";
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srand((double)microtime()*1000000);
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$i = 0;
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while ($i <= 7) {
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	$num = rand() % 33;
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	$tmp = substr($salt, $num, 1);
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	$new_pass = $new_pass . $tmp;
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	$i++;
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}
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$md5_password = md5($new_pass);
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// Check if username already exists
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$results = $database->query("SELECT user_id FROM ".TABLE_PREFIX."users WHERE username = '$username'");
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if($results->numRows() > 0) {
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	$wb->print_error($MESSAGE['USERS']['USERNAME_TAKEN'], $js_back, false);
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}
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// Check if the email already exists
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$results = $database->query("SELECT user_id FROM ".TABLE_PREFIX."users WHERE email = '".$wb->add_slashes($email)."'");
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if($results->numRows() > 0) {
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	if(isset($MESSAGE['USERS']['EMAIL_TAKEN'])) {
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		$wb->print_error($MESSAGE['USERS']['EMAIL_TAKEN'], $js_back, false);
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	} else {
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		$wb->print_error($MESSAGE['USERS']['INVALID_EMAIL'], $js_back, false);
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	}
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}
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// MD5 supplied password
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$md5_password = md5($new_pass);
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// Inser the user into the database
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$query = "INSERT INTO ".TABLE_PREFIX."users (group_id,groups_id,active,username,password,display_name,email) VALUES ('$groups_id', '$groups_id', '$active', '$username','$md5_password','$display_name','$email')";
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$database->query($query);
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if($database->is_error()) {
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	// Error updating database
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	$message = $database->get_error();
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} else {
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	// Setup email to send
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	$mail_to = $email;
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	$mail_subject = $MESSAGE['SIGNUP2']['SUBJECT_LOGIN_INFO'];
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	// Replace placeholders from language variable with values
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	$search = array('{LOGIN_DISPLAY_NAME}', '{LOGIN_WEBSITE_TITLE}', '{LOGIN_NAME}', '{LOGIN_PASSWORD}');
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	$replace = array($display_name, WEBSITE_TITLE, $username, $new_pass);
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	$mail_message = str_replace($search, $replace, $MESSAGE['SIGNUP2']['BODY_LOGIN_INFO']);
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	// Try sending the email
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	if($wb->mail(SERVER_EMAIL,$mail_to,$mail_subject,$mail_message)) {
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		$display_form = false;
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		$wb->print_success($MESSAGE['FORGOT_PASS']['PASSWORD_RESET'], WB_URL.'/account/login.php' );
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	} else {
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		$database->query("DELETE FROM ".TABLE_PREFIX."users WHERE username = '$username'");
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		$wb->print_error($MESSAGE['FORGOT_PASS']['CANNOT_EMAIL'], $js_back, false);
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	}
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}