opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections; |
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30 | using System.Collections.Generic; |
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31 | using System.IO; |
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32 | using System.Net; |
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33 | using System.Reflection; |
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34 | using System.Text; |
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35 | using System.Text.RegularExpressions; |
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36 | using System.Xml; |
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37 | using log4net; |
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38 | using Nwc.XmlRpc; |
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39 | |||
40 | namespace OpenSim.Framework.Servers.HttpServer |
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41 | { |
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42 | public delegate XmlRpcResponse OSHttpHttpProcessor(XmlRpcRequest request); |
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43 | |||
44 | public class OSHttpHttpHandler: OSHttpHandler |
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45 | { |
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46 | private static readonly ILog _log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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47 | |||
48 | // contains handler for processing HTTP Request |
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49 | private GenericHTTPMethod _handler; |
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50 | |||
51 | /// <summary> |
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52 | /// Instantiate an HTTP handler. |
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53 | /// </summary> |
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54 | /// <param name="handler">a GenericHTTPMethod</param> |
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55 | /// <param name="method">null or HTTP method regex</param> |
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56 | /// <param name="path">null or path regex</param> |
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57 | /// <param name="query">null or dictionary with query regexs</param> |
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58 | /// <param name="headers">null or dictionary with header |
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59 | /// regexs</param> |
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60 | /// <param name="whitelist">null or IP address whitelist</param> |
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61 | public OSHttpHttpHandler(GenericHTTPMethod handler, Regex method, Regex path, |
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62 | Dictionary<string, Regex> query, |
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63 | Dictionary<string, Regex> headers, Regex whitelist) |
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64 | : base(method, path, query, headers, new Regex(@"^text/html", RegexOptions.IgnoreCase | RegexOptions.Compiled), |
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65 | whitelist) |
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66 | { |
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67 | _handler = handler; |
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68 | } |
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69 | |||
70 | /// <summary> |
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71 | /// Instantiate an HTTP handler. |
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72 | /// </summary> |
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73 | /// <param name="handler">a GenericHTTPMethod</param> |
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74 | public OSHttpHttpHandler(GenericHTTPMethod handler) |
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75 | : this(handler, new Regex(@"^GET$", RegexOptions.IgnoreCase | RegexOptions.Compiled), null, null, null, null) |
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76 | { |
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77 | } |
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78 | |||
79 | /// <summary> |
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80 | /// Invoked by OSHttpRequestPump. |
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81 | /// </summary> |
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82 | public override OSHttpHandlerResult Process(OSHttpRequest request) |
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83 | { |
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84 | // call handler method |
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85 | Hashtable responseData = _handler(request.Query); |
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86 | |||
87 | int responseCode = (int)responseData["int_response_code"]; |
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88 | string responseString = (string)responseData["str_response_string"]; |
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89 | string contentType = (string)responseData["content_type"]; |
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90 | |||
91 | //Even though only one other part of the entire code uses HTTPHandlers, we shouldn't expect this |
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92 | //and should check for NullReferenceExceptions |
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93 | |||
94 | if (string.IsNullOrEmpty(contentType)) |
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95 | { |
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96 | contentType = "text/html"; |
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97 | } |
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98 | |||
99 | OSHttpResponse response = new OSHttpResponse(request); |
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100 | |||
101 | // We're forgoing the usual error status codes here because the client |
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102 | // ignores anything but 200 and 301 |
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103 | |||
104 | response.StatusCode = (int)OSHttpStatusCode.SuccessOk; |
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105 | |||
106 | if (responseCode == (int)OSHttpStatusCode.RedirectMovedPermanently) |
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107 | { |
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108 | response.RedirectLocation = (string)responseData["str_redirect_location"]; |
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109 | response.StatusCode = responseCode; |
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110 | } |
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111 | |||
112 | response.AddHeader("Content-type", contentType); |
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113 | |||
114 | byte[] buffer; |
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115 | |||
116 | if (!contentType.Contains("image")) |
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117 | { |
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118 | buffer = Encoding.UTF8.GetBytes(responseString); |
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119 | } |
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120 | else |
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121 | { |
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122 | buffer = Convert.FromBase64String(responseString); |
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123 | } |
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124 | |||
125 | response.SendChunked = false; |
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126 | response.ContentLength64 = buffer.Length; |
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127 | response.ContentEncoding = Encoding.UTF8; |
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128 | |||
129 | try |
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130 | { |
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131 | response.Body.Write(buffer, 0, buffer.Length); |
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132 | } |
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133 | catch (Exception ex) |
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134 | { |
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135 | _log.ErrorFormat("[OSHttpHttpHandler]: Error: {0}", ex.Message); |
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136 | } |
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137 | finally |
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138 | { |
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139 | response.Send(); |
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140 | } |
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141 | |||
142 | return OSHttpHandlerResult.Done; |
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143 | } |
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144 | } |
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145 | } |