This brute forces it, sample Web Service method scan ASPX page (no real error checking, but you get the picture):
<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Net" %>
<%@ Import Namespace="System.Xml" %>
<html>
<head>
<title>Web Service Methods</title>
<style type="text/css">
body
{
font: 9pt sans-serif;
}
input
{
font: 9pt monospace;
}
</style>
</head>
<body>
<form name="frmMain" action="webmethods.aspx" runat="server">
<h2>Web Method Scanner</h2>
Please enter the URL of the Web Service:<br/>
<asp:TextBox id="txtURL" runat="server" width="300"/><br/>
<asp:Button id="btnScan" text="Scan" runat="server" OnClick="Scan_OnClick"/><p/>
<hr size="1"/>
<h3><asp:Label id="lblUrl" runat="server"/></h3>
Methods:<br/>
<asp:ListBox id="lstMethods" runat="server" width="400" size="10" visible="false"/><p/>
<asp:Label id="lblMeths" runat="server"/><p/>
<asp:Label id="lblError" runat="server" ForeColor="DarkRed"/>
</form>
</body>
<script language="C#" runat="server">
void ScanService(string url)
{
lstMethods.Items.Clear();
lblMeths.Text = string.Empty;
WebResponse response = null;
try
{
WebRequest req = WebRequest.Create(url);
response = req.GetResponse();
XmlDocument doc = new XmlDocument();
using (Stream rs = response.GetResponseStream())
doc.Load(rs);
foreach (XmlNode node in doc.DocumentElement.ChildNodes)
{
if ("portType" == node.Name)
foreach (XmlNode op in node.ChildNodes)
lstMethods.Items.Add(op.Attributes["name"].Value);
}
}
catch (Exception e)
{
lblError.Text = e.ToString();
}
finally
{
if (response != null)
response.Close();
}
}
void Scan_OnClick(object sender, EventArgs e)
{
lblError.Text = string.Empty;
