user_check.asp

源码源源码 源码 源码码源 码源 码源 码源 码

<%
dim ComeUrl,cUrl
ComeUrl=lcase(trim(request.ServerVariables("HTTP_REFERER")))
if ComeUrl="" then
	response.write "<br><p align=center><font color='red'>对不起，为了系统安全，不允许直接输入地址访问本系统的后台管理页面。</font></p>"
	response.end
else
	cUrl=trim("http://" & Request.ServerVariables("SERVER_NAME"))
	if mid(ComeUrl,len(cUrl)+1,1)=":" then
		cUrl=cUrl & ":" & Request.ServerVariables("SERVER_PORT")
	end if
	cUrl=lcase(cUrl & request.ServerVariables("SCRIPT_NAME"))
	if lcase(left(ComeUrl,instrrev(ComeUrl,"/")))<>lcase(left(cUrl,instrrev(cUrl,"/"))) then
		response.write "<br><p align=center><font color='red'>对不起，为了系统安全，不允许从外部链接地址访问本系统的后台管理页面。</font></p>"
		response.end
	end if
end if
%>
<%
if session("userid") = ""  then
    response.Redirect "default.asp"
    response.end
end if
%>
<SCRIPT language=JavaScript>
<!--
if(parent.location == location) location = "user.asp";;
// -->
</SCRIPT>