/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the OpenSimulator Project nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ using System; using System.Collections; using System.Collections.Generic; using System.IO; using System.Net; using System.Reflection; using System.Text; using System.Text.RegularExpressions; using System.Xml; using log4net; using Nwc.XmlRpc; namespace OpenSim.Framework.Servers.HttpServer { public delegate XmlRpcResponse OSHttpHttpProcessor(XmlRpcRequest request); public class OSHttpHttpHandler: OSHttpHandler { private static readonly ILog _log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); // contains handler for processing HTTP Request private GenericHTTPMethod _handler; /// <summary> /// Instantiate an HTTP handler. /// </summary> /// <param name="handler">a GenericHTTPMethod</param> /// <param name="method">null or HTTP method regex</param> /// <param name="path">null or path regex</param> /// <param name="query">null or dictionary with query regexs</param> /// <param name="headers">null or dictionary with header /// regexs</param> /// <param name="whitelist">null or IP address whitelist</param> public OSHttpHttpHandler(GenericHTTPMethod handler, Regex method, Regex path, Dictionary<string, Regex> query, Dictionary<string, Regex> headers, Regex whitelist) : base(method, path, query, headers, new Regex(@"^text/html", RegexOptions.IgnoreCase | RegexOptions.Compiled), whitelist) { _handler = handler; } /// <summary> /// Instantiate an HTTP handler. /// </summary> /// <param name="handler">a GenericHTTPMethod</param> public OSHttpHttpHandler(GenericHTTPMethod handler) : this(handler, new Regex(@"^GET$", RegexOptions.IgnoreCase | RegexOptions.Compiled), null, null, null, null) { } /// <summary> /// Invoked by OSHttpRequestPump. /// </summary> public override OSHttpHandlerResult Process(OSHttpRequest request) { // call handler method Hashtable responseData = _handler(request.Query); int responseCode = (int)responseData["int_response_code"]; string responseString = (string)responseData["str_response_string"]; string contentType = (string)responseData["content_type"]; //Even though only one other part of the entire code uses HTTPHandlers, we shouldn't expect this //and should check for NullReferenceExceptions if (string.IsNullOrEmpty(contentType)) { contentType = "text/html"; } OSHttpResponse response = new OSHttpResponse(request); // We're forgoing the usual error status codes here because the client // ignores anything but 200 and 301 response.StatusCode = (int)OSHttpStatusCode.SuccessOk; if (responseCode == (int)OSHttpStatusCode.RedirectMovedPermanently) { response.RedirectLocation = (string)responseData["str_redirect_location"]; response.StatusCode = responseCode; } response.AddHeader("Content-type", contentType); byte[] buffer; if (!contentType.Contains("image")) { buffer = Encoding.UTF8.GetBytes(responseString); } else { buffer = Convert.FromBase64String(responseString); } response.SendChunked = false; response.ContentLength64 = buffer.Length; response.ContentEncoding = Encoding.UTF8; try { response.Body.Write(buffer, 0, buffer.Length); } catch (Exception ex) { _log.ErrorFormat("[OSHttpHttpHandler]: Error: {0}", ex.Message); } finally { response.Send(); } return OSHttpHandlerResult.Done; } } }