<?php

	class user_lister extends fs_filelister {
		
		var $_varname = 'cache';
		var $_cachefile = null;
		var $_directory = USERS_DIR;
		
		function bdb_entrylister() {
			$this->_cachefile = CACHE_DIR . 'userlist.php';
			parent::__construct();
		}
		
		function _checkFile($directory, $file) {
			if (fnmatch('*.php', $file)) {
				array_push($this->_list, basename($file,EXT));
				return 0;
			}
		}
		
	}

	
	function user_list(){
		$obj = new user_lister;
		if ($users = $obj->getList()) {
			return $entry_arr;
		} else	return false;
		
		
	}

	function user_pwd($userid, $pwd){
		return wp_hash($userid.$pwd);
	}


	function user_login($userid, $pwd, $params=null){
	
		global $loggedin;
		
		$loggedin = false;
		
		$user = user_get($userid);
	
		if (user_pwd($userid,$pwd) == $user['password']){
		
			$loggedin = true;
			
			// session_regenerate_id();
			
			$expire = time() + 31536000;
	
			setcookie(USER_COOKIE, $userid, $expire, COOKIEPATH, COOKIE_DOMAIN);
			setcookie(PASS_COOKIE, $user['password'], $expire, COOKIEPATH, COOKIE_DOMAIN);
					
		} 
		
		return $loggedin;
	}

	function user_logout(){
		global $loggedin;
		
		if ( user_loggedin() ) {
			
			setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
			setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
					
		}
		
		$loggedin = false;
		
	}


	function user_loggedin(){
	
		global $loggedin, $fp_user;
	
		if ($loggedin)
			return $fp_user;
	
		if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) ) {
			$fp_user = null;
			return $loggedin = false;
		}
		
		
		$fp_user = user_get($_COOKIE[USER_COOKIE]);
		
		if (!$fp_user) {
			return false;
		}

		if($_COOKIE[PASS_COOKIE] == $fp_user['password']) {
			$loggedin = true;
			return $fp_user;
		}
		
		$fp_user = null;
		$loggedin = false;
		return false; 
		
	}


	function user_get($userid=null){
		if ($userid == null && ($user = user_loggedin())) {
			return $user;
		} 
		if (!preg_match('![/\\.]!', $userid) &&
			file_exists($f = USERS_DIR . $userid.".php")) {
			include($f);
			
			return $user;
		}
	}
	

	function user_add($user){
		
		$user['password']=user_pwd($user['userid'], $user['password']);
		
		return system_save(USERS_DIR . $user['userid'] . ".php", compact('user'));
		
	}


?>