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using System;
using System.Net;
using MediaBrowser.Model.Net;
namespace SocketHttpListener.Net
{
sealed class ListenerPrefix
{
string original;
string host;
ushort port;
string path;
bool secure;
IPAddress[] addresses;
public HttpListener Listener;
public ListenerPrefix(string prefix)
{
this.original = prefix;
Parse(prefix);
}
public override string ToString()
{
return original;
}
public IPAddress[] Addresses
{
get { return addresses; }
set { addresses = value; }
}
public bool Secure
{
get { return secure; }
}
public string Host
{
get { return host; }
}
public int Port
{
get { return (int)port; }
}
public string Path
{
get { return path; }
}
// Equals and GetHashCode are required to detect duplicates in HttpListenerPrefixCollection.
public override bool Equals(object o)
{
ListenerPrefix other = o as ListenerPrefix;
if (other == null)
return false;
return (original == other.original);
}
public override int GetHashCode()
{
return original.GetHashCode();
}
void Parse(string uri)
{
ushort default_port = 80;
if (uri.StartsWith("https://"))
{
default_port = 443;
secure = true;
}
int length = uri.Length;
int start_host = uri.IndexOf(':') + 3;
if (start_host >= length)
throw new ArgumentException("No host specified.");
int colon = uri.IndexOf(':', start_host, length - start_host);
int root;
if (colon > 0)
{
host = uri.Substring(start_host, colon - start_host);
root = uri.IndexOf('/', colon, length - colon);
port = (ushort)Int32.Parse(uri.Substring(colon + 1, root - colon - 1));
path = uri.Substring(root);
}
else
{
root = uri.IndexOf('/', start_host, length - start_host);
host = uri.Substring(start_host, root - start_host);
port = default_port;
path = uri.Substring(root);
}
if (path.Length != 1)
path = path.Substring(0, path.Length - 1);
}
public static void CheckUri(string uri)
{
if (uri == null)
throw new ArgumentNullException("uriPrefix");
if (!uri.StartsWith("http://") && !uri.StartsWith("https://"))
throw new ArgumentException("Only 'http' and 'https' schemes are supported.");
int length = uri.Length;
int start_host = uri.IndexOf(':') + 3;
if (start_host >= length)
throw new ArgumentException("No host specified.");
int colon = uri.IndexOf(':', start_host, length - start_host);
if (start_host == colon)
throw new ArgumentException("No host specified.");
int root;
if (colon > 0)
{
root = uri.IndexOf('/', colon, length - colon);
if (root == -1)
throw new ArgumentException("No path specified.");
try
{
int p = Int32.Parse(uri.Substring(colon + 1, root - colon - 1));
if (p <= 0 || p >= 65536)
throw new Exception();
}
catch
{
throw new ArgumentException("Invalid port.");
}
}
else
{
root = uri.IndexOf('/', start_host, length - start_host);
if (root == -1)
throw new ArgumentException("No path specified.");
}
if (uri[uri.Length - 1] != '/')
throw new ArgumentException("The prefix must end with '/'");
}
}
}
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