Sharepoint problem

i have a problem to acess the sharepoint page because its need a user
authorization ,his take the logged user on system desktop to
authorization but when i can to acess to rubyonrails his show a
message error
someone can told me a hint how i can to make this?

the link what i can to acess is "http://soa.teste.net/
xmlfactory.aspx"
and
"http://sharepoint.teste.net/_vti_bin/owssvr.dll?
Cmd=Display&List=78EB99E0-91C6-41BE-B21C-AB5D81763D64&XMLDATA=TRUE"

this message error occurs ,

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/
TR/html4/strict.dtd">

<HTML><HEAD><TITLE>You are not authorized to view this page</TITLE>

<META HTTP-EQUIV="Content-Type" Content="text/html;
charset=Windows-1252">

<STYLE type="text/css">

  BODY { font: 8pt/12pt verdana }

  H1 { font: 13pt/15pt verdana }

  H2 { font: 8pt/12pt verdana }