global.func.php

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<?php 
##
#	Project: PHPDisk
#	This is NOT a freeware, use is subject to license terms.
#
#	Site: http://www.phpdisk.com
#
#	$Id: global.func.php 237 2009-03-08 10:11:56Z along $
#
#	Copyright (C) 2008-2009 PHPDisk Team. All Rights Reserved.
#
##

if(!defined('IN_PHPDISK')) {
	exit('[PHPDisk] Access Denied');
}

function template($tpl,$tpl_name,$make = 0){

	$tpl_cache_dir = PHPDISK_ROOT."./system/{$tpl_name}/";
	if(!is_dir($tpl_cache_dir)){
		mkdir($tpl_cache_dir,0777);
		write_file($tpl_cache_dir.'index.htm','PHPDisk');
	}
	$tpl_cache_file = $tpl_cache_dir.$tpl.".tpl.php";
	if($make || !file_exists($tpl_cache_file)){
		$str = read_file(PHPDISK_ROOT."./templates/{$tpl_name}/".$tpl.".tpl.html");
		$str = preg_replace("/\<\!\-\-\#(.+?)\#\-\-\>/si","<?php \\1 ?>", $str);
		$str = preg_replace("/\{([A-Z_]+)\}/","<?=\\1?>",$str);
		$str = preg_replace("/\{(\\\$[a-z0-9_\'\"\[\]]+)\}/si", "<?=\\1?>", $str);
		$str = preg_replace("/\{\<\?\=(\\\$[a-z0-9_\'\"\[\]]+)\?\>\}/si","{\\1}",$str);
		$content = str_replace(array('{#','#}'),array('<?=','?>'),$str);
		
		$prefix = "<?php ".LF;
		$prefix .= "// This is PHPDISK auto-generated file. Do NOT modify me.".LF.LF;
		$prefix .= "if(!defined('IN_PHPDISK'))".LF;
		$prefix .= "\texit('[PHPDisk] Access Denied');".LF;
		$prefix .= "?>".LF;

		write_file($tpl_cache_file,$prefix.$content);
		template($tpl,$tpl_name);
	}else{
		return $tpl_cache_file;
	
	}
}
function lang($lang_name){
	$file = LANG_DIR.$lang_name.'.lang.php';
	if(!file_exists($file)){
		exit("Language pack [$lang_name] does not exist!");
	}else{
		return $file;
	}
}
function write_cache($cache){
	global $db,$timestamp;
	if($cache =='settings' || $cache =='stats'){
		$q = $db->query("select * from pd_{$cache}");
		while($rs = $db->fetch_array($q)){
			$str_c .= "\t'".$rs['vars']."' => '".$rs['value']."',".LF.LF;
		}
		$db->free($q);
		unset($rs);
		
		$str = "<?php".LF.LF;
		$str .= "// This is PHPDISK auto-generated file. Do NOT modify me.".LF;
		$str .= "// Cache Time: ".date("Y-m-d H:i:s",$timestamp).LF.LF;
		$str .= "\${$cache} = array(".LF.LF;
		$str .= $str_c;
		$str .= ");".LF.LF;
		$str .= "?>".LF;
		
		write_file(PHPDISK_ROOT."./system/{$cache}.inc.php",$str);
		
	}elseif($cache =='groups'){
		$q = $db->query("select * from pd_groups");
		while($rs = $db->fetch_array($q)){
			$str_c .= "\t'".$rs['gid']."' => array(".LF.LF;
			$str_c .= "\t\t'max_messages' => '".$rs['max_messages']."',".LF.LF;
			$str_c .= "\t\t'max_flow_down' => '".$rs['max_flow_down']."',".LF.LF;
			$str_c .= "\t\t'max_flow_view' => '".$rs['max_flow_view']."',".LF.LF;
			$str_c .= "\t\t'max_storage' => '".$rs['max_storage']."',".LF.LF;
			$str_c .= "\t\t'max_filesize' => '".$rs['max_filesize']."',".LF.LF;
			$str_c .= "\t\t'max_disks' => '".$rs['max_disks']."',".LF.LF;
			$str_c .= "\t\t'max_folders' => '".$rs['max_folders']."',".LF.LF;
			$str_c .= "\t\t'max_files' => '".$rs['max_files']."',".LF.LF;
			$str_c .= "\t\t'down_trans_rate' => '".$rs['down_trans_rate']."',".LF.LF;
			$str_c .= "\t\t'view_trans_rate' => '".$rs['view_trans_rate']."',".LF.LF;
			$str_c .= "\t\t'watermark' => '".$rs['watermark']."',".LF.LF;
			$str_c .= "\t),".LF.LF;
			
		}
		$db->free($q);
		unset($rs);
		
		$str = "<?php".LF.LF;
		$str .= "// This is PHPDISK auto-generated file. Do NOT modify me.".LF;
		$str .= "// Cache Time: ".date("Y-m-d H:i:s",$timestamp).LF.LF;
		$str .= "\$group_settings = array(".LF.LF;
		$str .= $str_c;
		$str .= ");".LF.LF;
		$str .= "?>".LF;
		
		write_file(PHPDISK_ROOT."./system/group_settings.inc.php",$str);
	}
}
// filter bad chars
function replace_inject_str($str){
	$bad_chars = array("\\","'",'"','/','*',',','<','>',"\r","\t","\n",'$','(',')','%','?',';','^','#',':','&','%');
	$replace_chars = '';
	return str_replace($bad_chars,$replace_chars,$str);
}
function phpdisk_user(){
	global $pd_uid,$pd_pwd;
	if(!$pd_uid || !$pd_pwd){
		echo "<script language='javascript'>".LF;
		echo "self.parent.location = '".urr("index","item=account&action=login&ref=".$_SERVER['REQUEST_URI'])."';".LF;
		echo "</script>".LF;
	}
}
function phpdisk_admin(){
	global $db,$pd_uid,$pd_pwd,$pd_gid,$timestamp;
	$admin_not_login =0;
	$rs = $db->fetch_one_array("select * from pd_adminsession where userid='$pd_uid' limit 1");
	if($rs['hashcode'] != gpc('phpdisk_info','C','')){
		$admin_not_login =1;
	}
	unset($rs);
	if(!$pd_uid || !$pd_pwd || $pd_gid !=1 || $admin_not_login){
		echo "<script language='javascript'>".LF;
		echo "self.parent.location = '".urr("index","item=account&action=adminlogin&ref=".$_SERVER['REQUEST_URI'])."';".LF;
		echo "</script>".LF;
	}
}

function checklength($str,$min,$max){
	if(!$str || strlen($str) > $max || strlen($str) < $min){
		return true;
	}
}
function ifselected($int1,$int2,$type = 'int'){
	if($type == 'int'){
		if(intval($int1) == intval($int2)){
			return " selected";
		}
	}elseif($type == 'str'){
		if(strval($int1) == strval($int2)){
			return " selected";
		}
	}
}
function ifchecked($int1,$int2,$type = 'int'){
	if($type == 'int'){
		if(intval($int1) == intval($int2)){
			return " checked";
		}
	}elseif($type == 'str'){
		if(strval($int1) == strval($int2)){
			return " checked";
		}
	}
}
function replace_js($str){
	return preg_replace("'<script[^>]*?>(.*?)</script>'si","[script]\\1[/script]",$str);
}
function custom_time($format, $time){
	global $pub_lang;
	$s = time() - $time;
	if($s < 60){
		return $s.$pub_lang['custom_time_1'];
	}
	$m = $s / 60;
	if($m < 60){
		return floor($m).$pub_lang['custom_time_2'];
	}
	$h = $m / 60;
	if($h < 24){
		return floor($h).$pub_lang['custom_time_3'];
	}
	$d = $h / 24;
	if($d < 2){
		return $pub_lang['custom_time_4'].date("H:i", $time);
	}
	if($d <3){
		return $pub_lang['custom_time_5'].date("H:i", $time);
	}
	if($d <= 30){
		return floor($d).$pub_lang['custom_time_6'];
	}
	return date($format, $time);
}
function file_icon($ext){
	$icon = PHPDISK_ROOT."./images/filetype/".$ext.".gif";
	if(file_exists($icon)){
		$img = "<img src='images/filetype/{$ext}.gif' width='16' height='16' align='absmiddle' border='0' />";
	}else{
		$img = "<img src='images/filetype/file.gif' width='16' height='16' align='absmiddle' border='0' />";
	}
	return $img;
}
function get_byte_value($v){
	$v = trim($v);
	$l = strtolower($v[strlen($v) - 1]);
	switch($l){
	  case 'g':
		$v *= 1024;
	
	  case 'm':
		$v *= 1024;
	
	  case 'k':
		$v *= 1024;
	}
	return $v;
}

function mime_type( $ext ){
	$mime = array(
		'avi'  => 'video/x-msvideo',
		'bmp'  => 'image/bmp',
		'css'  => 'text/css',
		'js'   => 'application/x-javascript js',
		'doc'  => 'application/msword',
		'gif'  => 'image/gif',
		'htm'  => 'text/html',
		'html' => 'text/html',
		'jpg'  => 'image/jpeg',
		'jpeg' => 'image/jpeg',
		'mov'  => 'video/quicktime',
		'mpeg' => 'video/mpeg',
		'mp3'  => 'audio/mpeg mpga mp2 mp3',
		'pdf'  => 'application/pdf',
		'php'  => 'text/html',
		'png'  => 'image/png',
		'qt'   => 'video/quicktime',
		'rar'  => 'application/x-rar',
		'swf'  => 'application/x-shockwave-flash swf',
		'txt'  => 'text/plain',
		'torrent' => 'application/x-bittorrent',
		'wmv'  => 'video/x-ms-wmv',
		'xml'  => 'text/xml',
		'xsl'  => 'text/xml',
		'xls'  => 'application/msexcel x-excel',
		'zip'  => 'application/zip x-zip',
	);
	return isset($mime[$ext]) ? $mime[$ext] : 'application/octet-stream';
}

function redirect($url,$str,$timeout = 2000,$target = ''){
	global $pub_lang,$lang;
	$lang = array_merge($pub_lang,$lang);
	
	if($timeout ==0){
		header("Location:$url");
	}else{
		$msg = '';
		if(is_array($str)){
			for($i=0;$i<count($str);$i++){
				$msg .= "<li>路".$str[$i]."</li>".LF;
			}
		}else{
			$msg = $str;
		}	
		require_once template('message',TPL_NAME);
		$rtn = "<script>".LF;
		$rtn .= "<!--".LF;
		$rtn .= "function redirect() {".LF;
		if($target =='top'){
			$rtn .= "	self.parent.location.href = '$url';".LF;
		}else{
			$rtn .= "	document.location.href = '$url';".LF;
		}
		$rtn .= "}".LF;
		$rtn .= "setTimeout('redirect();', $timeout);".LF;
		$rtn .= "-->".LF;
		$rtn .= "</script>".LF;
		echo $rtn;
	}
}

function is_bad_chars($str){
	$bad_chars = array("\\",' ',"'",'"','/','*',',','<','>',"\r","\t","\n",'$','(',')','%','+','?',';','^','#',':','銆