113 lines
4.3 KiB
C#
113 lines
4.3 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using log4net;
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using System;
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using System.Net;
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using System.Reflection;
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using Nini.Config;
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namespace OpenSim.Services.Connectors
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{
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public class HeloServicesConnector
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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private string m_ServerURI = String.Empty;
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public HeloServicesConnector()
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{
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}
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public HeloServicesConnector(string serverURI)
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{
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try
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{
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Uri uri;
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if (!serverURI.EndsWith("="))
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{
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// Let's check if this is a valid URI, because it may not be
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uri = new Uri(serverURI);
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m_ServerURI = serverURI.TrimEnd('/') + "/helo/";
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}
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else
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{
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// Simian sends malformed urls like this:
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// http://valley.virtualportland.org/simtest/Grid/?id=
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//
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uri = new Uri(serverURI + "xxx");
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if (uri.Query == string.Empty)
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m_ServerURI = serverURI.TrimEnd('/') + "/helo/";
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else
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{
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serverURI = serverURI + "xxx";
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m_ServerURI = serverURI.Replace(uri.Query, "");
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m_ServerURI = m_ServerURI.TrimEnd('/') + "/helo/";
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}
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}
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}
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catch (UriFormatException)
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{
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m_log.WarnFormat("[HELO SERVICE]: Malformed URL {0}", serverURI);
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}
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}
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public virtual string Helo()
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{
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if (String.IsNullOrEmpty(m_ServerURI))
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{
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m_log.WarnFormat("[HELO SERVICE]: Unable to invoke HELO due to malformed URL");
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return String.Empty;
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}
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HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(m_ServerURI);
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// Eventually we need to switch to HEAD
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/* req.Method = "HEAD"; */
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try
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{
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using (WebResponse response = req.GetResponse())
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{
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if (response.Headers.Get("X-Handlers-Provided") == null) // just in case this ever returns a null
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return string.Empty;
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return response.Headers.Get("X-Handlers-Provided");
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}
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}
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catch (Exception e)
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{
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m_log.DebugFormat("[HELO SERVICE]: Unable to perform HELO request to {0}: {1}", m_ServerURI, e.Message);
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}
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// fail
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return string.Empty;
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}
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}
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} |