clockwerk-opensim-stable – Blame information for rev 1
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1 | vero | 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.Generic; |
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30 | using System.Net; |
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31 | using System.IO; |
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32 | using System.Text; |
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33 | |||
34 | namespace OpenSim.Framework |
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35 | { |
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36 | public static class MultipartForm |
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37 | { |
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38 | #region Helper Classes |
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39 | |||
40 | public abstract class Element |
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41 | { |
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42 | public string Name; |
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43 | } |
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44 | |||
45 | public class File : Element |
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46 | { |
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47 | public string Filename; |
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48 | public string ContentType; |
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49 | public byte[] Data; |
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50 | |||
51 | public File(string name, string filename, string contentType, byte[] data) |
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52 | { |
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53 | Name = name; |
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54 | Filename = filename; |
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55 | ContentType = contentType; |
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56 | Data = data; |
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57 | } |
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58 | } |
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59 | |||
60 | public class Parameter : Element |
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61 | { |
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62 | public string Value; |
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63 | |||
64 | public Parameter(string name, string value) |
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65 | { |
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66 | Name = name; |
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67 | Value = value; |
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68 | } |
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69 | } |
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70 | |||
71 | #endregion Helper Classes |
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72 | |||
73 | public static HttpWebResponse Post(HttpWebRequest request, List<Element> postParameters) |
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74 | { |
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75 | string boundary = Boundary(); |
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76 | |||
77 | // Set up the request properties |
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78 | request.Method = "POST"; |
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79 | request.ContentType = "multipart/form-data; boundary=" + boundary; |
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80 | |||
81 | #region Stream Writing |
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82 | |||
83 | using (MemoryStream formDataStream = new MemoryStream()) |
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84 | { |
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85 | foreach (var param in postParameters) |
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86 | { |
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87 | if (param is File) |
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88 | { |
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89 | File file = (File)param; |
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90 | |||
91 | // Add just the first part of this param, since we will write the file data directly to the Stream |
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92 | string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n", |
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93 | boundary, |
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94 | file.Name, |
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95 | !String.IsNullOrEmpty(file.Filename) ? file.Filename : "tempfile", |
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96 | file.ContentType); |
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97 | |||
98 | formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, header.Length); |
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99 | formDataStream.Write(file.Data, 0, file.Data.Length); |
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100 | } |
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101 | else |
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102 | { |
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103 | Parameter parameter = (Parameter)param; |
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104 | |||
105 | string postData = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}\r\n", |
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106 | boundary, |
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107 | parameter.Name, |
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108 | parameter.Value); |
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109 | formDataStream.Write(Encoding.UTF8.GetBytes(postData), 0, postData.Length); |
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110 | } |
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111 | } |
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112 | |||
113 | // Add the end of the request |
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114 | byte[] footer = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n"); |
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115 | formDataStream.Write(footer, 0, footer.Length); |
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116 | |||
117 | request.ContentLength = formDataStream.Length; |
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118 | |||
119 | // Copy the temporary stream to the network stream |
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120 | formDataStream.Seek(0, SeekOrigin.Begin); |
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121 | using (Stream requestStream = request.GetRequestStream()) |
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122 | formDataStream.CopyStream(requestStream, (int)formDataStream.Length); |
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123 | } |
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124 | |||
125 | #endregion Stream Writing |
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126 | |||
127 | return request.GetResponse() as HttpWebResponse; |
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128 | } |
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129 | |||
130 | private static string Boundary() |
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131 | { |
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132 | Random rnd = new Random(); |
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133 | string formDataBoundary = String.Empty; |
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134 | |||
135 | while (formDataBoundary.Length < 15) |
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136 | formDataBoundary = formDataBoundary + rnd.Next(); |
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137 | |||
138 | formDataBoundary = formDataBoundary.Substring(0, 15); |
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139 | formDataBoundary = "-----------------------------" + formDataBoundary; |
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140 | |||
141 | return formDataBoundary; |
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142 | } |
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143 | } |
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144 | } |