global.php

哈克MusicPHP音乐程序v1.0一套基本于PHP+TXT的在线音乐播放程序。程序采用文本数据存储方式

<?php
/**
*  HaCn.Com 哈克! 主流音乐系统 V1.0
*  Copyright (c) 2007 Ghost. All rights reserved.
*  Authors: Ghost
*           http://www.HaCn.Com
*           [e-mail]
*
**/

$magic_quotes_gpc = get_magic_quotes_gpc();
$register_globals = @ini_get('register_globals');
if(!$register_globals || !$magic_quotes_gpc)
{
	@extract($HTTP_POST_FILES, EXTR_SKIP); 
	@extract($HTTP_POST_VARS, EXTR_SKIP); 
	@extract($HTTP_GET_VARS, EXTR_SKIP); 
}
@extract($_REQUEST);
@extract($GLOBALS, EXTR_SKIP);
require("inc/config.php");
require("inc/text_function.php");
require("$datadir/manager.php");

error_reporting(0);
unset($_ENV,$HTTP_ENV_VARS,$_REQUEST,$HTTP_POST_VARS,$HTTP_GET_VARS,$HTTP_POST_FILES,$HTTP_COOKIE_VARS);
foreach($_POST as $_key=>$_value){
	$_POST[$_key]=str_replace(array('|','$','..'),array('&#124;','&#36;','&#46;&#46;'),$_POST[$_key]);
	!ereg("^\_",$_key) && !$$_key && $$_key=$_POST[$_key];
}
foreach($_GET as $_key=>$_value){
	$_GET[$_key]=str_replace(array('|','$','..'),array('&#124;','&#36;','&#46;&#46;'),$_GET[$_key]);
	!ereg("^\_",$_key) && !$$_key && $$_key=$_GET[$_key];
}

$timestamp=time();
 if ($REQUEST_URI == $HTTP_COOKIE_VARS['lastpath'] && ($timestamp-$HTTP_COOKIE_VARS['lastvisit_fr']<$refreshtime)) {
	Showmsg("no","本次显示禁止，原因：访问同一URL的刷新时间小于$refreshtime秒。","关闭本页","javascript:window.close()");
	exit;
	} 

//Cookie功能
function Cookie($ck_Var,$ck_Value,$ck_Time = 'F'){
	global $timestamp;
	$ck_Time = $ck_Time == 'F' ? $timestamp + 31536000 : ($ck_Value == '' && $ck_Time == 0 ? $timestamp - 31536000 : $ck_Time);
	setcookie($ck_Var,$ck_Value,$ck_Time);
}
function GetCookie($Var){
    return $_COOKIE[$Var];
}

//禁止IP访问
$i_p=getenv('REMOTE_ADDR');
$i_p1 = getenv('HTTP_X_FORWARDED_FOR');
if (($i_p1 != "") && ($i_p1 != "unknown")) $i_p=$i_p1;
ipbanned();

function ipbanned() {
global $i_p,$datadir;
if (!file_exists("$datadir/ipbans.php")) return;
	$term_bannedmembers = file("$datadir/ipbans.php");
	if (empty($term_bannedmembers)) return;
	$count = count($term_bannedmembers);
	for ($i=0; $i<$count; $i++) {
		$bannedip = trim($term_bannedmembers[$i]);
		if (!$bannedip) continue;
		if ( strpos($i_p , $bannedip)===0 ) {
            Showmsg("no","对不起，你的 IP 被禁止访问站!如有疑问，请联系管理员。","关闭本页","javascript:window.close()");
			exit;		
		}
	}
}


// 安全转换函数，把部分系统禁止的标签剔除
function safeconvert($msg){
	$msg = str_replace('&amp;','&',$msg);
	$msg = str_replace('&nbsp;',' ',$msg);
	$msg = str_replace('"','&quot;',$msg);
	$msg = str_replace("'",'&#39',$msg);
	$msg = str_replace("\t","   &nbsp;  &nbsp;",$msg);
	$msg = str_replace("<","&lt;",$msg);
	$msg = str_replace(">","&gt;",$msg);
	$msg = str_replace("\r","",$msg);
	$msg = str_replace("\n","<br />",$msg);
	$msg = str_replace("|","│",$msg);//&#124
	$msg = str_replace("   "," &nbsp; ",$msg);
	return $msg;
}
// 读文件
function readfromfile($file_name)
{
	$filenum = fopen($file_name, "r");
	flock($filenum, LOCK_SH);
	$file_data = fread($filenum, filesize($file_name));
	fclose($filenum);
	return $file_data;
} 
// 写文件
function writetofile($file_name, $data, $method = "w")
{
	$filenum = fopen($file_name, $method);
	flock($filenum, LOCK_EX);
	$file_data = fwrite($filenum, $data);
	fclose($filenum);
	return $file_data;
} 

//获取文件后缀名
function lastfilename($file_name)
{
	$lastname=explode(".",$file_name);
	$lastnum=count($lastname)-1;
	return $lastname[$lastnum];
}
// 中文字符串截取
function gbsubstr($str, $start, $len)
{
	$tmpstr="";
	if (strlen($str) > $len) {
		$strlen = $start + ($len-4);
		for($i = 0;$i < $strlen;$i++) {
			if (ord(substr($str, $i, 1)) > 0xa0){
				$tmpstr .= substr($str, $i, 2);
				$i++;
			}
			else {
				$tmpstr .= substr($str, $i, 1);
			}
		}
		$tmpstr .= "...";
		return $tmpstr;
	}
	else {
		return $str;
	}
}

//分页函数
function numofpage($count,$page,$numofpage,$url,$max=0)
{
	$total=$numofpage;
	$max && $numofpage > $max && $numofpage=$max;
	$pages="<span class=\"PageNav\">";
	if ($numofpage <= 1 || !is_numeric($page)){
	    $pages.="共有记录 {$count} 条 | 只有一页</span><br>";
		return $pages;
	}else{
		$pages.="分页：$page/$numofpage &nbsp;&nbsp;<a href=\"{$url}page=1\"><< </a>";
		$flag=0;
		for($i=$page-3;$i<=$page-1;$i++)
		{
			if($i<1) continue;
			$pages.=" <a href='{$url}page=$i'>&nbsp;$i&nbsp;</a>";
		}
		$pages.="&nbsp;&nbsp;<b>[$page]</b>&nbsp;";
		if($page<$numofpage)
		{
			for($i=$page+1;$i<=$numofpage;$i++)
			{
				$pages.=" <a href='{$url}page=$i'>&nbsp;$i&nbsp;</a>";
				$flag++;
				if($flag==4) break;
			}
		}
		$pages.="&nbsp;<input type='text' size='2' style='height:16px; border:1px solid #698CC3' onkeydown=\"javascript: if(event.keyCode==13) location='{$url}page='+this.value;\"> <a href=\"{$url}page=$numofpage\"> >></a> &nbsp;</span><br>";
		return $pages;
	}
}

//时间函数

function get_time($infoatetime){
	$t=getdate($infoatetime);
	$hour=$t['hours'];
	$min=$t['minutes'];
	if (strlen($min)==1) $min="0".$min;
	return "{$hour}:{$min}";
}
function get_date($infoatetime){
	$t=getdate($infoatetime);
	$year=$t['year'];
	$mon=$t['mon'];
	$mday=$t['mday'];
	return "{$year}-{$mon}-{$mday}";
}
function get_datetime($infoatetime){
	$t=getdate($infoatetime);
	$year=$t['year'];
	$mon=$t['mon'];
	$mday=$t['mday'];
	$hour=$t['hours'];
	$min=$t['minutes'];
	return "{$year}-{$mon}-{$mday} {$hour}:{$min}";
}

//音乐分类显示
function MusicNav(){
global $datadir;
$list=file("$datadir/cat.php");
$count=count($list);
$catlist="-->\n";
for($i=0;$i<$count;$i++){
    $detail=explode("|", trim($list[$i]));
	$catlist.="<li><a href=\"list.php?catid=$detail[0]\">$detail[1]</a></li>";
   }
  $catlist.="<!--";
  echo $catlist;
}
//取得音乐分类
function get_catid() {
global $cat_name,$catid,$cat_time,$ckeckid,$datadir;
$list=file("$datadir/cat.php");
$ckeckid=0;
	$count=count($list);
	for ($i=0; $i<$count; $i++) {
		$detail=explode("|", trim($list[$i]));
		if ($detail[0]==$catid) {
			$cat_name=$detail[1];
			$cat_time=$detail[2];
			$ckeckid=1;
			break;
		}
	}
}

//取得歌手分类
function get_singerid() {
global $singer_name,$catid,$singerid,$singer_time,$nckeckid,$datadir;
$list=file("$datadir/singer.php");
$nckeckid=0;
	$count=count($list);
	for ($i=0; $i<$count; $i++) {
		$detail=explode("|", trim($list[$i]));
		if ($detail[1]==$singerid && $detail[0]==$catid) {
			$singer_name=$detail[2];
			$singer_time=$detail[3]; 
			$nckeckid=1;
			break;
		}
	}
}

//推荐歌曲
//$j 为截断字符个数类型;$num为显示条数
function commend($url,$num,$j){
   if(empty($j)) $j=0;
   global $datadir;
   $song_info=@file("$datadir/$url.php");
   $c=min(count($song_info),$num);
   echo"-->"; 
    for ($i=0; $i<$c; $i++){ 
		$detail=explode("|",$song_info[$i]); 
        $allname=$detail[3];
		$listshow="";
		if($j!=0) {if (strlen($detail[3])>=24) $detail[3]=substr($detail[3],0,22)."...";}
	   else{ if (strlen($detail[3])>=32) $detail[3]=substr($detail[3],0,30)."...";}   //截取字符串
        $listshow.= "<li><a href=\"play.php?id=$detail[2]\" title=\"$allname\" target=\"_blank\">$detail[3]</a></li>\n";
		echo $listshow;
		 }
	  echo"<!--";
}
//排行
//$j 为截断字符个数类型;$num为显示条数
function top($url,$num,$j){
   if(empty($j)) $j=0;
   global $datadir,$skinpath,$skin;
   $song_info=@file("$datadir/$url.php");
   $c=min(count($song_info),$num); 
   echo"-->";
    for ($i=0; $i<$c; $i++){ 
		$detail=explode("|",$song_info[$i]); 
        $allname=$detail[3];
		$listshow="";
		if($j!=0) {if (strlen($detail[3])>=24) $detail[3]=substr($detail[3],0,22)."..";}
	   elseif (strlen($detail[3])>=32) { $detail[3]=substr($detail[3],0,30)."...";}   //截取字符串
        $listshow.= "<li><a href=\"play.php?id=$detail[2]\" title=\"$allname\" target=_blank>$detail[3]</a></li>\n";
		echo $listshow;
		 }
 echo"<!--";
}

//信息显示
function Showmsg($yesno,$msg_info,$goto,$url){
    global $skinpath,$skin;
	require_once PrintEot('showmsg');
	exit;
}
//页面底部
function footer(){
global $site_name,$site_url,$admin_email,$manager;
	include PrintEot('footer');
	exit;
}

function SafePath($Path){
	if(strpos($Path,'..')!==false){
		Showmsg("no","非法操作,请返回!","返回","javascript:history.back(1)");
	}
}

//页面模板输出
function PrintEot($template,$EXT="html"){
	global $skinpath,$skin;
	SafePath($template);
	if(empty($template)) $template='Nopage.$EXT';
	if(file_exists("./$skinpath/$skin/$template.$EXT"))
	$path="./$skinpath/$skin/$template.$EXT";
	else $path="./$skinpath/default/$template.$EXT";
	return $path;
}

?>