// // System.Net.ListenerPrefix // // Author: // Gonzalo Paniagua Javier (gonzalo@novell.com) // Oleg Mihailik (mihailik gmail co_m) // // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // using System; using System.Net; namespace Beagle.Daemon { 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) { int default_port = (uri.StartsWith ("http://")) ? 80 : -1; if (default_port == -1) { default_port = (uri.StartsWith ("https://")) ? 443 : -1; secure = true; throw new NotSupportedException ("We don't support https yet."); } 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); path = uri.Substring (root); } } public static void CheckUri (string uri) { if (uri == null) throw new ArgumentNullException ("uriPrefix"); int default_port = (uri.StartsWith ("http://")) ? 80 : -1; if (default_port == -1) default_port = (uri.StartsWith ("https://")) ? 443 : -1; if (default_port == -1) 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 '/'"); } } }