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提供一套防止盗链的代码

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mikasa
发表于 2007-1-30 14:50:47 | 显示全部楼层 |阅读模式
  如果是页面防盗链的话，通常的方法都是用ServerVariables(“Server_Name“)结合ServerVariables(“Http_Referer”)来防止。如下：
DIM servUrl, fromUrl
servUrl = Request.ServerVariables("SERVER_NAME")
fromUrl = Request.ServerVariables("HTTP_REFERER")
If (mid(fromUrl,8,len(servUrl))) <> servUrl then
  Response.Write("<script>alert(&#39;请从正确的页面登入！&#39;)</script>")
  Response.End
else
......
End If
  还有就是可以结合Session来防止页面盗链和文件盗链。
  再有就是在服务器端来设置。
  以上方法，我会在以后的文章写出来，下面让我们来看看用javascript（纯静态文件)如何来实现防止文件盗链呢？如下源码只起一个抛砖引玉的作用，希望大家多提意见。
---------------------------------------------------------------------
**********************************************
  首先，比如我们有一音乐视听页面。源码如下：
  先建一文件夹为:MusicMP3,在此文件夹下面放一首MP3，MP3重命名为921239.mp3

---------------------------------------------------------------------
**********************************************
Music.htm
-----------------
<html>
<head>
<title>Music</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<script language="JavaScript">
function Play(URL){
  play_Win=window.open( &#39;Play.htm?url=&#39;+URL,&#39;bluedestiny&#39;, &#39;toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=470,height=290,top=210,left=158&#39;);
}
</script>
<body>
<p> <a href="#" onclick="javascript:Play(&#39;XPGJFUESRYVIESRSXNJFUXQDKWD&江南&#39;)">Music1</a></p>
</body>
</html>
怎么会有一长串的字符？请注意这一长串参数的格式，等会儿有用的。

---------------------------------------------------------------------------------


Music.htm
-----------------
<html>
<head>
<title>PlayMusic</title>
<script language=jscript src=Play_url.js></script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head>
<body bgcolor="#999999">
<TABLE cellSpacing=0 cellPadding=0 width=468 align=center border=0>
  <!--DWLayoutTable-->
  <TBODY>
   <TR>
    <TD width="468" height=60 align=middle valign="top"><font size="2">您现在收听的是：</font><font color="#FF0000" size=2>
      <script language="javascript">
  if(wor==undefined)
  {
    document.write("无曲目")
  }
    else  
  document.write(wor)
  </script>
      </font></TD>
   </TR>
  </TBODY>
</TABLE>
<TABLE height=60 cellSpacing=0 cellPadding=0 width=468 align=center border=0>
  <TBODY>
  <TR>
   <TD class=box bgColor=#eeeeee height=60 align="center">
<div align="center">
<script language="javascript" src="MP.js"></script>
</div>
</TD>
</TR>
</TBODY>
</TABLE>
<div align="center">
</body>
</html>
上面有一段引入了两段js的代码Play_url.js，MP.js这里就是关键了。接下来我们就来看看这段代码。
-------------------------------------------------------------------------------------------
****************************************************************************
MP.jps
---------------------------------
document.write ("<OBJECT id=Player2 name=Player classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 border=\"0\" width=100% height=68 type=application/x-oleobject standby=\"Loading Windows Media Player components...\">\n")
document.write ("<param name=\"AudioStream\" value=\"-1\">\n")
document.write ("<param name=\"AutoSize\" value=\"0\">\n")
document.write ("<param name=\"AutoStart\" value=\"-1\">\n")
document.write ("<param name=\"AnimationAtStart\" value=\"-1\">\n")
document.write ("<param name=\"AllowScan\" value=\"-1\">\n")
document.write ("<param name=\"AllowChangeDisplaySize\" value=\"-1\">\n")
document.write ("<param name=\"AutoRewind\" value=\"0\">\n")
document.write ("<param name=\"Balance\" value=\"10\">\n")
document.write ("<param name=\"BaseURL\" value>\n")
document.write ("<param name=\"BufferingTime\" value=\"5\">\n")
document.write ("<param name=\"CaptioningID\" value>\n")
document.write ("<param name=\"ClickToPlay\" value=\"-1\">\n")
document.write ("<param name=\"CursorType\" value=\"0\">\n")
document.write ("<param name=\"CurrentPosition\" value=\"-1\">\n")
document.write ("<param name=\"CurrentMarker\" value=\"0\">\n")
document.write ("<param name=\"DefaultFrame\" value>\n")
document.write ("<param name=\"DisplayBackColor\" value=\"0\">\n")
document.write ("<param name=\"DisplayForeColor\" value=\"16777215\">\n")
document.write ("<param name=\"DisplayMode\" value=\"0\">\n")
document.write ("<param name=\"DisplaySize\" value=\"4\">\n")
document.write ("<param name=\"Enabled\" value=\"-1\">\n")
document.write ("<param name=\"EnableContextMenu\" value=\"0\">\n")
document.write ("<param name=\"EnablePositionControls\" value=\"-1\">\n")
document.write ("<param name=\"EnableFullScreenControls\" value=\"0\">\n")
document.write ("<param name=\"EnableTracker\" value=\"-1\">\n")
document.write ("<param name=\"Filename\" value=&#39;" + str + "&#39;>\n")
document.write ("<param name=\"InvokeURLs\" value=\"-1\">\n")
document.write ("<param name=\"Language\" value=\"-1\">\n")
document.write ("<param name=\"Mute\" value=\"0\">\n")
document.write ("<param name=\"PlayCount\" value=\"0\">\n")
document.write ("<param name=\"PreviewMode\" value=\"0\">\n")
document.write ("<param name=\"Rate\" value=\"1\">\n")
document.write ("<param name=\"SAMILang\" value>\n")
document.write ("<param name=\"SAMIStyle\" value>\n")
document.write ("<param name=\"SAMIFileName\" value>\n")
document.write ("<param name=\"SelectionStart\" value=\"0\">\n")
document.write ("<param name=\"SelectionEnd\" value=\"0\">\n")
document.write ("<param name=\"SendOpenStateChangeEvents\" value=\"-1\">\n")
document.write ("<param name=\"SendWarningEvents\" value=\"-1\">\n")
document.write ("<param name=\"SendErrorEvents\" value=\"-1\">\n")
document.write ("<param name=\"SendKeyboardEvents\" value=\"0\">\n")
document.write ("<param name=\"SendMouseClickEvents\" value=\"0\">\n")
document.write ("<param name=\"SendMouseMoveEvents\" value=\"0\">\n")
document.write ("<param name=\"SendPlayStateChangeEvents\" value=\"-1\">\n")
document.write ("<param name=\"ShowCaptioning\" value=\"0\">\n")
document.write ("<param name=\"ShowControls\" value=\"-1\">\n")
document.write ("<param name=\"ShowAudioControls\" value=\"-1\">\n")
document.write ("<param name=\"ShowDisplay\" value=\"0\">\n")
document.write ("<param name=\"ShowGotoBar\" value=\"0\">\n")
document.write ("<param name=\"ShowPositionControls\" value=\"-1\">\n")
document.write ("<param name=\"ShowStatusBar\" value=\"-1\">\n")
document.write ("<param name=\"ShowTracker\" value=\"-1\">\n")
document.write ("<param name=\"TransparentAtStart\" value=\"0\">\n")
document.write ("<param name=\"VideoBorderWidth\" value=\"0\">\n")
document.write ("<param name=\"VideoBorderColor\" value=\"0\">\n")
document.write ("<param name=\"VideoBorder3D\" value=\"0\">\n")
document.write ("<param name=\"Volume\" value=\"0\">\n")
document.write ("<param name=\"WindowlessVideo\" value=\"0\">\n")
document.write ("<embed type=\"application/x-mplayer2\" pluginspage=\"http://www.microsoft.com/windows/mediaplayer/download/default.asp\" Name=\"Player\" width=\"300\" height=\"66\" border=\"0\" SHOWSTATUSBAR=\"-1\" SHOWCONTROLS=\"0\" SHOWGOTOBAR=\"0\" SHOWDISPLAY=\"-1\" INVOKEURLS=\"-1\" AUTOSTART=\"1\" CLICKTOPLAY=\"0\" DisplayForeColor=\"12945678\">\n")
document.write ("</OBJECT>\n")

----------------------------------------------
************************************
Play_url.js
----------------------
<script language="JavaScript" type="text/JavaScript">
var searchString=location.search        // <---------取出传递过来的参数
var pos=searchString.indexOf("?url=")         
if (pos==0){


  var str,str1,arr,wor;
  arr=searchString.split(&#39;&&#39;);              //<----------把地址和歌名分离
  if (arr.length > 1){
   wor=arr[1];
  }
  else{
  wor="";
  }
// 下面这段就是这里的关键，刚才的那一段字符串就在这里解码，明白了吗？
str=arr[0].substr(5,searchString.length);
str=str.replace(/YVI/g,"1")
str=str.replace(/ESR/g,"2")
str=str.replace(/SXN/g,"3")
str=str.replace(/STI/g,"4")
str=str.replace(/WFU/g,"5")
str=str.replace(/LQU/g,"6")
str=str.replace(/QGI/g,"7")
str=str.replace(/BLA/g,"8")
str=str.replace(/JFU/g,"9")
str=str.replace(/LSN/g,"0")
str=str.replace(/XPG/g,"/")
str=str.replace(/XQD/g,".")
str=str.replace(/ /g,"")
str=str.replace(/%20/g,"")
str=str.replace(/KWD/g,"MP3")
str="127.0.0.1//MusicMP3/" + str
document.write(str)
}
</script>


代码过于复杂,在下也是在参详中,望此代码能帮助到administrators搞好防止盗链的问题.
回复

使用道具 举报

mikasa
 楼主| 发表于 2007-1-30 14:50:47 | 显示全部楼层 |阅读模式
  如果是页面防盗链的话，通常的方法都是用ServerVariables(“Server_Name“)结合ServerVariables(“Http_Referer”)来防止。如下：
DIM servUrl, fromUrl
servUrl = Request.ServerVariables("SERVER_NAME")
fromUrl = Request.ServerVariables("HTTP_REFERER")
If (mid(fromUrl,8,len(servUrl))) <> servUrl then
  Response.Write("<script>alert(&#39;请从正确的页面登入！&#39;)</script>")
  Response.End
else
......
End If
  还有就是可以结合Session来防止页面盗链和文件盗链。
  再有就是在服务器端来设置。
  以上方法，我会在以后的文章写出来，下面让我们来看看用javascript（纯静态文件)如何来实现防止文件盗链呢？如下源码只起一个抛砖引玉的作用，希望大家多提意见。
---------------------------------------------------------------------
**********************************************
  首先，比如我们有一音乐视听页面。源码如下：
  先建一文件夹为:MusicMP3,在此文件夹下面放一首MP3，MP3重命名为921239.mp3

---------------------------------------------------------------------
**********************************************
Music.htm
-----------------
<html>
<head>
<title>Music</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<script language="JavaScript">
function Play(URL){
  play_Win=window.open( &#39;Play.htm?url=&#39;+URL,&#39;bluedestiny&#39;, &#39;toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=470,height=290,top=210,left=158&#39;);
}
</script>
<body>
<p> <a href="#" onclick="javascript:Play(&#39;XPGJFUESRYVIESRSXNJFUXQDKWD&江南&#39;)">Music1</a></p>
</body>
</html>
怎么会有一长串的字符？请注意这一长串参数的格式，等会儿有用的。

---------------------------------------------------------------------------------


Music.htm
-----------------
<html>
<head>
<title>PlayMusic</title>
<script language=jscript src=Play_url.js></script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head>
<body bgcolor="#999999">
<TABLE cellSpacing=0 cellPadding=0 width=468 align=center border=0>
  <!--DWLayoutTable-->
  <TBODY>
   <TR>
    <TD width="468" height=60 align=middle valign="top"><font size="2">您现在收听的是：</font><font color="#FF0000" size=2>
      <script language="javascript">
  if(wor==undefined)
  {
    document.write("无曲目")
  }
    else  
  document.write(wor)
  </script>
      </font></TD>
   </TR>
  </TBODY>
</TABLE>
<TABLE height=60 cellSpacing=0 cellPadding=0 width=468 align=center border=0>
  <TBODY>
  <TR>
   <TD class=box bgColor=#eeeeee height=60 align="center">
<div align="center">
<script language="javascript" src="MP.js"></script>
</div>
</TD>
</TR>
</TBODY>
</TABLE>
<div align="center">
</body>
</html>
上面有一段引入了两段js的代码Play_url.js，MP.js这里就是关键了。接下来我们就来看看这段代码。
-------------------------------------------------------------------------------------------
****************************************************************************
MP.jps
---------------------------------
document.write ("<OBJECT id=Player2 name=Player classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 border=\"0\" width=100% height=68 type=application/x-oleobject standby=\"Loading Windows Media Player components...\">\n")
document.write ("<param name=\"AudioStream\" value=\"-1\">\n")
document.write ("<param name=\"AutoSize\" value=\"0\">\n")
document.write ("<param name=\"AutoStart\" value=\"-1\">\n")
document.write ("<param name=\"AnimationAtStart\" value=\"-1\">\n")
document.write ("<param name=\"AllowScan\" value=\"-1\">\n")
document.write ("<param name=\"AllowChangeDisplaySize\" value=\"-1\">\n")
document.write ("<param name=\"AutoRewind\" value=\"0\">\n")
document.write ("<param name=\"Balance\" value=\"10\">\n")
document.write ("<param name=\"BaseURL\" value>\n")
document.write ("<param name=\"BufferingTime\" value=\"5\">\n")
document.write ("<param name=\"CaptioningID\" value>\n")
document.write ("<param name=\"ClickToPlay\" value=\"-1\">\n")
document.write ("<param name=\"CursorType\" value=\"0\">\n")
document.write ("<param name=\"CurrentPosition\" value=\"-1\">\n")
document.write ("<param name=\"CurrentMarker\" value=\"0\">\n")
document.write ("<param name=\"DefaultFrame\" value>\n")
document.write ("<param name=\"DisplayBackColor\" value=\"0\">\n")
document.write ("<param name=\"DisplayForeColor\" value=\"16777215\">\n")
document.write ("<param name=\"DisplayMode\" value=\"0\">\n")
document.write ("<param name=\"DisplaySize\" value=\"4\">\n")
document.write ("<param name=\"Enabled\" value=\"-1\">\n")
document.write ("<param name=\"EnableContextMenu\" value=\"0\">\n")
document.write ("<param name=\"EnablePositionControls\" value=\"-1\">\n")
document.write ("<param name=\"EnableFullScreenControls\" value=\"0\">\n")
document.write ("<param name=\"EnableTracker\" value=\"-1\">\n")
document.write ("<param name=\"Filename\" value=&#39;" + str + "&#39;>\n")
document.write ("<param name=\"InvokeURLs\" value=\"-1\">\n")
document.write ("<param name=\"Language\" value=\"-1\">\n")
document.write ("<param name=\"Mute\" value=\"0\">\n")
document.write ("<param name=\"PlayCount\" value=\"0\">\n")
document.write ("<param name=\"PreviewMode\" value=\"0\">\n")
document.write ("<param name=\"Rate\" value=\"1\">\n")
document.write ("<param name=\"SAMILang\" value>\n")
document.write ("<param name=\"SAMIStyle\" value>\n")
document.write ("<param name=\"SAMIFileName\" value>\n")
document.write ("<param name=\"SelectionStart\" value=\"0\">\n")
document.write ("<param name=\"SelectionEnd\" value=\"0\">\n")
document.write ("<param name=\"SendOpenStateChangeEvents\" value=\"-1\">\n")
document.write ("<param name=\"SendWarningEvents\" value=\"-1\">\n")
document.write ("<param name=\"SendErrorEvents\" value=\"-1\">\n")
document.write ("<param name=\"SendKeyboardEvents\" value=\"0\">\n")
document.write ("<param name=\"SendMouseClickEvents\" value=\"0\">\n")
document.write ("<param name=\"SendMouseMoveEvents\" value=\"0\">\n")
document.write ("<param name=\"SendPlayStateChangeEvents\" value=\"-1\">\n")
document.write ("<param name=\"ShowCaptioning\" value=\"0\">\n")
document.write ("<param name=\"ShowControls\" value=\"-1\">\n")
document.write ("<param name=\"ShowAudioControls\" value=\"-1\">\n")
document.write ("<param name=\"ShowDisplay\" value=\"0\">\n")
document.write ("<param name=\"ShowGotoBar\" value=\"0\">\n")
document.write ("<param name=\"ShowPositionControls\" value=\"-1\">\n")
document.write ("<param name=\"ShowStatusBar\" value=\"-1\">\n")
document.write ("<param name=\"ShowTracker\" value=\"-1\">\n")
document.write ("<param name=\"TransparentAtStart\" value=\"0\">\n")
document.write ("<param name=\"VideoBorderWidth\" value=\"0\">\n")
document.write ("<param name=\"VideoBorderColor\" value=\"0\">\n")
document.write ("<param name=\"VideoBorder3D\" value=\"0\">\n")
document.write ("<param name=\"Volume\" value=\"0\">\n")
document.write ("<param name=\"WindowlessVideo\" value=\"0\">\n")
document.write ("<embed type=\"application/x-mplayer2\" pluginspage=\"http://www.microsoft.com/windows/mediaplayer/download/default.asp\" Name=\"Player\" width=\"300\" height=\"66\" border=\"0\" SHOWSTATUSBAR=\"-1\" SHOWCONTROLS=\"0\" SHOWGOTOBAR=\"0\" SHOWDISPLAY=\"-1\" INVOKEURLS=\"-1\" AUTOSTART=\"1\" CLICKTOPLAY=\"0\" DisplayForeColor=\"12945678\">\n")
document.write ("</OBJECT>\n")

----------------------------------------------
************************************
Play_url.js
----------------------
<script language="JavaScript" type="text/JavaScript">
var searchString=location.search        // <---------取出传递过来的参数
var pos=searchString.indexOf("?url=")         
if (pos==0){


  var str,str1,arr,wor;
  arr=searchString.split(&#39;&&#39;);              //<----------把地址和歌名分离
  if (arr.length > 1){
   wor=arr[1];
  }
  else{
  wor="";
  }
// 下面这段就是这里的关键，刚才的那一段字符串就在这里解码，明白了吗？
str=arr[0].substr(5,searchString.length);
str=str.replace(/YVI/g,"1")
str=str.replace(/ESR/g,"2")
str=str.replace(/SXN/g,"3")
str=str.replace(/STI/g,"4")
str=str.replace(/WFU/g,"5")
str=str.replace(/LQU/g,"6")
str=str.replace(/QGI/g,"7")
str=str.replace(/BLA/g,"8")
str=str.replace(/JFU/g,"9")
str=str.replace(/LSN/g,"0")
str=str.replace(/XPG/g,"/")
str=str.replace(/XQD/g,".")
str=str.replace(/ /g,"")
str=str.replace(/%20/g,"")
str=str.replace(/KWD/g,"MP3")
str="127.0.0.1//MusicMP3/" + str
document.write(str)
}
</script>


代码过于复杂,在下也是在参详中,望此代码能帮助到administrators搞好防止盗链的问题.
回复

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藏經閣主
发表于 2007-1-30 14:55:49 | 显示全部楼层
谢谢楼主,可以试试看. [s:1]  [s:1]
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D.N.Angel
发表于 2007-1-30 15:06:41 | 显示全部楼层
如果成功就给楼主奖励……………… [s:2]
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mikasa
 楼主| 发表于 2007-1-30 15:11:41 | 显示全部楼层
恩谢谢斑竹. [s:2]  [s:2]  [s:2]
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ginoz
发表于 2007-1-30 18:08:10 | 显示全部楼层
谢谢楼主热心，您的代码是针对htm页面的，对于appachehttp的服务并不适用，论坛提供的视频，与web无关
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