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<?php
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/**
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 *
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 * @category        admin
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 * @package         users
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 * @author          Ryan Djurovich, WebsiteBaker Project
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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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/* -------------------------------------------------------- */
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// Must include code to stop this file being accessed directly
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if(!defined('WB_URL')) {
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	require_once(dirname(dirname(dirname(__FILE__))).'/framework/globalExceptionHandler.php');
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	throw new IllegalFileException();
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}
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/* -------------------------------------------------------- */
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	function add_user($admin, &$aActionRequest)
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	{
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		global $MESSAGE,$TEXT, $HEADING;
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		$database = WbDatabase::getInstance();
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        $bRetVal = false;
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        $iMinPassLength = 6;
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        if( !$admin->checkFTAN() )
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        {
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//        	$admin->print_header();
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        	msgQueue::add($MESSAGE['GENERIC_SECURITY_ACCESS']);
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            return $bRetVal;
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        }
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        // Get details entered
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        $groups_id = (isset($aActionRequest['groups'])) ? implode(",", $admin->add_slashes($aActionRequest['groups'])) : '';
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        $groups_id = trim($groups_id, ','); // there will be an additional ',' when "Please Choose" was selected, too
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        $active = intval(strip_tags($admin->StripCodeFromText($aActionRequest['active'][0])));
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        $username_fieldname = strip_tags($admin->StripCodeFromText($aActionRequest['username_fieldname']));
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        $username = strtolower(strip_tags($admin->StripCodeFromText($aActionRequest[$username_fieldname])));
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        $password = strip_tags($admin->StripCodeFromText($aActionRequest['password']));
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        $password2 = strip_tags($admin->StripCodeFromText($aActionRequest['password2']));
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        $display_name = strip_tags($admin->StripCodeFromText($aActionRequest['display_name']));
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        $email = strip_tags($admin->StripCodeFromText($aActionRequest['email']));
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        $home_folder = strip_tags($admin->StripCodeFromText($aActionRequest['home_folder']));
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        $language = DEFAULT_LANGUAGE;
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        $timezone = -72000;
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        $date_format = DEFAULT_DATE_FORMAT;
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        $time_format = DEFAULT_TIME_FORMAT;
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        $confirm_code = '';
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        $confirm_timeout = 0;
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        $remember_key = '';
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        $login_ip = '';
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        $last_reset = 0;
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        $login_when = 0;
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        // Check values
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        // Check values
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        if($groups_id == "") {
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        	msgQueue::add($MESSAGE['USERS_NO_GROUP']);
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        } else {
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            $aGroups_id = explode(',', $groups_id);
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            //if user is in administrator-group, get this group else just get the first one
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            if($admin->is_group_match($groups_id,'1')) { $group_id = 1; } else { $group_id = intval($aGroups_id[0]); }
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        }
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        if(!preg_match('/^[a-z]{1}[a-z0-9_-]{2,}$/i', $username)) {
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        	msgQueue::add( $MESSAGE['USERS_NAME_INVALID_CHARS']);
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        }
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		$sql  = 'SELECT COUNT(*) FROM `'.TABLE_PREFIX.'users` '.
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                'WHERE `username` LIKE \''.$username.'\' ';
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        // Check if username already exists
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        if( ($iFoundUser = $database->get_one($sql)) != null ) {
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            if($iFoundUser) {
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            	msgQueue::add($MESSAGE['USERS_USERNAME_TAKEN']);
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            }
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        }
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    	if(strlen($password) < $iMinPassLength ) {
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    		msgQueue::add($MESSAGE['USERS_PASSWORD_TOO_SHORT']);
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    	}
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		$pattern = '/[^'.$admin->password_chars.']/';
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		if (preg_match($pattern, $password)) {
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			msgQueue::add($MESSAGE['PREFERENCES_INVALID_CHARS']);
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    	}
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    	if(($password != $password2) ) {
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    		msgQueue::add($MESSAGE['USERS_PASSWORD_MISMATCH']);
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    	}
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//
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// check that display_name is unique in whoole system (prevents from User-faking)
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    	$sql  = 'SELECT COUNT(*) FROM `'.TABLE_PREFIX.'users` ';
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    	$sql .= 'WHERE `user_id` <> '.(int)$admin->get_user_id().' AND `display_name` LIKE "'.$display_name.'"';
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    	if( ($iFoundUser = intval($database->get_one($sql))) > 0 ){
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    	   msgQueue::add($MESSAGE['USERS_USERNAME_TAKEN'].' ('.$TEXT['DISPLAY_NAME'].')');
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        } else {
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            if($display_name == '') {
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        	   msgQueue::add($MESSAGE['GENERIC_FILL_IN_ALL'].' ('.$TEXT['DISPLAY_NAME'].')');
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            }
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       }
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        if(findStringInFileList($display_name, dirname(__FILE__).'/disallowedNames')) {
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            msgQueue::add( $TEXT['ERROR'].' '.$TEXT['DISPLAY_NAME'].' ('.$display_name.')' );
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        }
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        if($email != "")
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        {
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        	if($admin->validate_email($email) == false)
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            {
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                msgQueue::add($MESSAGE['USERS_INVALID_EMAIL'].' ('.$email.')');
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        	}
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        } else { // e-mail must be present
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        	msgQueue::add($MESSAGE['SIGNUP_NO_EMAIL']);
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        }
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		$sql  = 'SELECT COUNT(*) FROM `'.TABLE_PREFIX.'users` '.
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                'WHERE `email` LIKE \''.$email.'\' ';
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        // Check if the email already exists
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        if( ($iFoundUser = $database->get_one($sql)) != null ) {
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            if($iFoundUser) {
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            	if(isset($MESSAGE['USERS_EMAIL_TAKEN']))
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                {
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            		msgQueue::add($MESSAGE['USERS_EMAIL_TAKEN'].' ('.$email.')');
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            	} else {
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            		msgQueue::add($MESSAGE['USERS_INVALID_EMAIL'].' ('.$email.')');
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            	}
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            }
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        }
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		if( ($msg = msgQueue::getError()) == '')
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		{
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            //if user is in administrator-group, get this group else just get the first one
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            if($admin->is_group_match($groups_id,'1')) { $group_id = 1; $groups_id = '1'; }
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            if(defined('HOME_FOLDERS') && HOME_FOLDERS) {
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                // Include the WB functions file
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                if(!function_exists('media_filename')) { require(WB_PATH.'/framework/functions.php'); }
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                // Remove bad characters
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                $sHomeFolder = WB_PATH.MEDIA_DIRECTORY.'/home/'.( media_filename($username) );
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                if ( sizeof(createFolderProtectFile( $sHomeFolder )) )
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                {
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                	msgQueue::add($MESSAGE['MEDIA_DIR_NOT_MADE'].' ('.basename($sHomeFolder).') ' );
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                }
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            }
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            // Inser the user into the database
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			$sql  = 'INSERT INTO `'.TABLE_PREFIX.'users` SET '.
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                    '`group_id`     = '.intval($group_id).', '.
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                    '`groups_id`    = \''.mysql_real_escape_string($groups_id).'\', '.
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                    '`active`       = '.intval($active).', '.
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                    '`username`     = \''.mysql_real_escape_string($username).'\', '.
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                    '`password`     = \''.md5($password).'\', '.
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                    '`confirm_code` = \''.mysql_real_escape_string($confirm_code).'\', '.
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                    '`confirm_timeout` = '.intval($confirm_timeout).', '.
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                    '`remember_key` = \''.mysql_real_escape_string($remember_key).'\', '.
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                    '`last_reset`   = '.intval($last_reset).', '.
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                    '`display_name` = \''.mysql_real_escape_string($display_name).'\', '.
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                    '`email`        = \''.mysql_real_escape_string($email).'\', '.
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                    '`timezone`     = '.intval($timezone).', '.
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                    '`date_format`  = \''.mysql_real_escape_string($date_format).'\', '.
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                    '`time_format`  = \''.mysql_real_escape_string($time_format).'\', '.
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                    '`language`     = \''.mysql_real_escape_string($language).'\', '.
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                    '`home_folder`  = \''.mysql_real_escape_string($home_folder).'\', '.
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                    '`login_when`   = '.intval($login_when).', '.
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                    '`login_ip`     = \''.mysql_real_escape_string($login_ip).'\' '.
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                    '';
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            if($database->query($sql)) {
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            	msgQueue::add($MESSAGE['USERS_ADDED'], true);
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		        $bRetVal = true;
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            }
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            if($database->is_error()) {
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                msgQueue::add( implode('<br />',explode(';',$database->get_error())) );
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            }
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        } else {
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        	msgQueue::add($HEADING['ADD_USER'].' '.$MESSAGE['GENERIC_NOT_COMPARE']);
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		}
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		return $bRetVal;
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   }