复制代码 代码如下:

<%

function CheckFileContent(FileName)

dim ClientFile,ClientText,ClientContent,DangerString,DSArray,AttackFlag,k

set ClientFile=Server.CreateObject("Scripting.FileSystemObject")

set ClientText=ClientFile.OpenTextFile(Server.MapPath(FileName),1)

ClientContent=LCase(ClientText.ReadAll)

set ClientText=nothing

set ClientFile=nothing

AttackFlag=false

DangerString=".getfolder|.createfolder|.deletefolder|.createdirectory|.deletedirectory|.saveas|wscript.shell|script.encode|server.|.createobject|execute|activexobject|language=|include|filesystemobject|shell.application"

DSArray=split(DangerString,"|")

for k=0 to UBound(DSArray)

if InStr(ClientContent,DSArray(k))>0 then '判断文件内容中是否包含有危险的操作字符，如有，则必须删除该文件。

AttackFlag=true

exit for

end if

next

CheckFileContent=AttackFlag

end function

If CheckFileContent("0.jpg")=true then

Response.Write "危险"

else

Response.Write "安全"

end if

%>