Old 1st September 2003, 01:08   #1
j3507
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problem when accessing xml stats with asp.net .aspx

hi,
i can access the xml stats in internet explorer using the following link..
http://myipaddress:8000/admin.cgi?pa...d&mode=viewxml
but when i try to access it through asp.net i get an error:
The remote server returned an error: (404) Not Found

and in the shoutcast server log i get:
<08/31/03@18:53:25> [dest: 192.168.1.1] Invalid resource request(/admin.cgi?pass=password&mode=viewxml)

this seems to be the only problem, and it really sucks. i dont know where to go from this, just wondering if anyone else has encountered this problem..or if i should be asking for help elsewhere (i.e. an asp.net forum)
i've seen some php scripts around and casterclub.com has an asp implementation but i'd really like to get this to work in asp.net,
if anyone can help it would be greatly appreciated..
thanks
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Old 1st September 2003, 01:13   #2
biscoradio
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I have an asp script that works, and I also know a bit about .net and xml parsing, server config, and all that good stuff. If you want to send me the script, I'll take a look at it, can recompile it for my server and see if I can get it to work. email it to me at rob@biscoradio.com if you want.
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Old 11th July 2006, 03:22   #3
ahumeniy
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I'm having the same issue with XML statistics. It gives me an "The server committed a protocol violation." error message.

I've tried editing the web.config file with the lines:

<system.net>
<settings>
<httpWebRequest useUnsafeHeaderParsing="true"/>
</settings>
</system.net>

but it now gives me an 404 error (!) wich -i guess- is the same that j3507 is getting.

When I tried opening the file in Visual Studio 2005 IDE it doesn't parse the XML correctly (it shows it as a single line of code). In other forums y read that the "The server committed a protocol violation." could be because a bad formatted XML file ¿?

However, if I download the file and then I make the program read de XML from hard disk it works fine, so I am looking for a way to automate the manual download of the file as an alternative, but it cannot be done with .NET built-in classes because it gives the same error.

Also, I made a console application -to be sure it isn't a token issue with the ASPNET account- and it gave me the same error.

Well, I hope that that issue will be investigated and -if necessary- a patch or new version released.
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Old 11th July 2006, 07:10   #4
bored_womble
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the issue *sounds* like you are not setting the User-Agent correctly.

It needs to contain 'Mozilla' for the Shoutcast server to realise you are not a listening client and response correctly.

When sending a request the string is someting like

GET /admin.cgi&pass=<admin password>
User-Agent: Mozilla
Host: <a.b.c.d>

There can be extra stuff, but that is really all you need, and yes you can encode the password with base64 if you like.

Give it a whirl.

BW

Without open minds the world will die. Open yours and correct the mistakes you are making right now.
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Old 11th July 2006, 15:10   #5
ahumeniy
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Solved!

Here is a small piece of code that generates a javascript that can be put in any webpage using the <javascript src=""/> statement. It only gives the songname currently playing, but it can be improved.

---begin code---
<%@ Page Language="C#" %>

<%@ Import Namespace="System.Xml" %>
<%
XmlTextReader tr;
string SongTitle = "Not available"; //Message to show when there is no info.
string HDFile = "c:\\shoutcast.xml"; //Place where to download the XML from the server.
string RemoteFile = "http://localhost:8000/admin.cgi?pass=changeme&mode=viewxml&page=1"; //Addres from the XML files in the server. It can be in localhost
// Starting...
try
{
System.Net.WebClient wc = new System.Net.WebClient(); //We create a WebClient object to download the file.
if (System.IO.File.Exists(HDFile)) System.IO.File.Delete(HDFile); //We check if the file already exists in hard drive and delete it if necessary.
wc.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)"); //Here is the most important line to make this work.
wc.DownloadFile(RemoteFile, HDFile); // Getting XML from the ShoutCast server...
tr = new XmlTextReader(HDFile);
// Success! Retrieving the necessary information...
while (tr.Read())
{
if (tr.Name == "SONGTITLE")
{
// Gotcha!
tr.MoveToElement();
SongTitle = tr.ReadString();
tr.Close();
tr = null;
break;
// Now Playing: '" + SongTitle + "'...
}
}
}
catch (Exception ex)
{
//Error detected, displaying error message. You can later make other way to handle an error.
SongTitle = "Error: " + ex.GetType().ToString() + ": " + ex.Message;
}
%>
document.writeIn('<% Response.Write(SongTitle.Replace("\"", "\\\"")); %>');

---end of code---
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Old 11th July 2006, 15:14   #6
ahumeniy
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Well, MSDN says that the WebClient class does not give headers by default:

http://msdn2.microsoft.com/en-us/library/tt0f69eh.aspx
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