Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/HttpOutput.cpp @ 5342:65d55cc86a41
clarified error message
| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Wed, 28 Jun 2023 11:54:41 +0200 |
| parents | 0ea402b4d901 |
| children | aaf7c49a9ddc 3206537cbb56 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
| 136 | 12 * |
| 0 | 13 * This program is distributed in the hope that it will be useful, but |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 0 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 0 | 21 **/ |
| 22 | |
| 23 | |
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24 #include "../PrecompiledHeaders.h" |
| 0 | 25 #include "HttpOutput.h" |
| 26 | |
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27 #include "../ChunkedBuffer.h" |
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28 #include "../Compression/GzipCompressor.h" |
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29 #include "../Compression/ZlibCompressor.h" |
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30 #include "../Logging.h" |
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31 #include "../OrthancException.h" |
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32 #include "../Toolbox.h" |
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33 |
| 324 | 34 #include <iostream> |
| 0 | 35 #include <vector> |
| 36 #include <stdio.h> | |
| 37 #include <boost/lexical_cast.hpp> | |
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38 |
| 0 | 39 |
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40 #if ORTHANC_ENABLE_CIVETWEB == 1 |
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41 # if !defined(CIVETWEB_HAS_DISABLE_KEEP_ALIVE) |
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42 # error Macro CIVETWEB_HAS_DISABLE_KEEP_ALIVE must be defined |
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43 # endif |
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44 #endif |
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45 |
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46 |
| 59 | 47 namespace Orthanc |
| 0 | 48 { |
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49 HttpOutput::StateMachine::StateMachine(IHttpOutputStream& stream, |
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50 bool isKeepAlive, |
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51 unsigned int keepAliveTimeout) : |
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52 stream_(stream), |
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53 state_(State_WritingHeader), |
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54 status_(HttpStatus_200_Ok), |
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55 hasContentLength_(false), |
| 4201 | 56 contentLength_(0), |
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57 contentPosition_(0), |
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58 keepAlive_(isKeepAlive), |
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59 keepAliveTimeout_(keepAliveTimeout) |
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60 { |
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61 } |
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62 |
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63 HttpOutput::StateMachine::~StateMachine() |
| 910 | 64 { |
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65 if (state_ != State_Done) |
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66 { |
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67 //asm volatile ("int3;"); |
| 1200 | 68 //LOG(ERROR) << "This HTTP answer does not contain any body"; |
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69 } |
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70 |
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71 if (hasContentLength_ && contentPosition_ != contentLength_) |
| 910 | 72 { |
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73 LOG(ERROR) << "This HTTP answer has not sent the proper number of bytes in its body"; |
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74 } |
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75 } |
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76 |
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77 |
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78 void HttpOutput::StateMachine::SetHttpStatus(HttpStatus status) |
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79 { |
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80 if (state_ != State_WritingHeader) |
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81 { |
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82 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
| 910 | 83 } |
| 84 | |
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85 status_ = status; |
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86 } |
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87 |
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88 |
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89 void HttpOutput::StateMachine::SetContentLength(uint64_t length) |
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90 { |
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91 if (state_ != State_WritingHeader) |
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92 { |
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93 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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94 } |
| 910 | 95 |
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96 hasContentLength_ = true; |
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97 contentLength_ = length; |
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98 } |
| 910 | 99 |
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100 void HttpOutput::StateMachine::SetContentType(const char* contentType) |
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101 { |
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102 AddHeader("Content-Type", contentType); |
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103 } |
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104 |
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105 void HttpOutput::StateMachine::SetContentFilename(const char* filename) |
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106 { |
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107 // TODO Escape double quotes |
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108 AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\""); |
| 910 | 109 } |
| 110 | |
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111 void HttpOutput::StateMachine::SetCookie(const std::string& cookie, |
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112 const std::string& value) |
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113 { |
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114 if (state_ != State_WritingHeader) |
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115 { |
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116 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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117 } |
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118 |
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119 // TODO Escape "=" characters |
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120 AddHeader("Set-Cookie", cookie + "=" + value); |
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121 } |
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122 |
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123 |
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124 void HttpOutput::StateMachine::AddHeader(const std::string& header, |
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125 const std::string& value) |
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126 { |
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127 if (state_ != State_WritingHeader) |
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128 { |
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129 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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130 } |
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131 |
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132 headers_.push_back(header + ": " + value + "\r\n"); |
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133 } |
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134 |
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135 void HttpOutput::StateMachine::ClearHeaders() |
| 910 | 136 { |
| 137 if (state_ != State_WritingHeader) | |
| 138 { | |
| 139 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 140 } | |
| 141 | |
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142 headers_.clear(); |
| 910 | 143 } |
| 144 | |
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145 void HttpOutput::StateMachine::SendBody(const void* buffer, size_t length) |
| 910 | 146 { |
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147 if (state_ == State_Done) |
| 910 | 148 { |
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149 if (length == 0) |
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150 { |
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151 return; |
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152 } |
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153 else |
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154 { |
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155 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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156 "Because of keep-alive connections, the entire body must " |
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157 "be sent at once or Content-Length must be given"); |
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158 } |
| 910 | 159 } |
| 160 | |
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161 if (state_ == State_WritingMultipart) |
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162 { |
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163 throw OrthancException(ErrorCode_InternalError); |
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164 } |
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165 |
| 910 | 166 if (state_ == State_WritingHeader) |
| 167 { | |
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168 // Send the HTTP header before writing the body |
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169 |
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170 stream_.OnHttpStatusReceived(status_); |
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171 |
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172 std::string s = "HTTP/1.1 " + |
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173 boost::lexical_cast<std::string>(status_) + |
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174 " " + std::string(EnumerationToString(status_)) + |
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175 "\r\n"; |
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176 |
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177 if (keepAlive_) |
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178 { |
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179 s += "Connection: keep-alive\r\n"; |
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180 |
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181 /** |
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182 * [LIFY-2311] The "Keep-Alive" HTTP header was missing in |
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183 * Orthanc <= 1.8.0, which notably caused failures if |
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184 * uploading DICOM instances by applying Java's |
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185 * "org.apache.http.client.methods.HttpPost()" on "/instances" |
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186 * URI, if "PoolingHttpClientConnectionManager" was in used. A |
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187 * workaround was to manually set a timeout for the keep-alive |
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188 * client to, say, 200 milliseconds, by using |
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189 * "HttpClients.custom().setKeepAliveStrategy((httpResponse,httpContext)->200)". |
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190 * Note that the "timeout" value can only be integer in the |
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191 * HTTP header, so we can't use the milliseconds granularity. |
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192 **/ |
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193 s += ("Keep-Alive: timeout=" + |
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194 boost::lexical_cast<std::string>(keepAliveTimeout_) + "\r\n"); |
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195 } |
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196 else |
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197 { |
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198 s += "Connection: close\r\n"; |
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199 } |
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200 |
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201 for (std::list<std::string>::const_iterator |
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202 it = headers_.begin(); it != headers_.end(); ++it) |
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203 { |
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204 s += *it; |
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205 } |
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206 |
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207 if (status_ != HttpStatus_200_Ok) |
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208 { |
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209 hasContentLength_ = false; |
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210 } |
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211 |
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212 uint64_t contentLength = (hasContentLength_ ? contentLength_ : length); |
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213 s += "Content-Length: " + boost::lexical_cast<std::string>(contentLength) + "\r\n\r\n"; |
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214 |
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215 stream_.Send(true, s.c_str(), s.size()); |
| 910 | 216 state_ = State_WritingBody; |
| 217 } | |
| 218 | |
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219 if (hasContentLength_ && |
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220 contentPosition_ + length > contentLength_) |
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221 { |
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222 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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223 "The body size exceeds what was declared with SetContentSize()"); |
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224 } |
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225 |
| 910 | 226 if (length > 0) |
| 227 { | |
| 911 | 228 stream_.Send(false, buffer, length); |
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229 contentPosition_ += length; |
| 330 | 230 } |
| 231 | |
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232 if (!hasContentLength_ || |
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233 contentPosition_ == contentLength_) |
| 330 | 234 { |
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235 state_ = State_Done; |
| 330 | 236 } |
| 237 } | |
| 238 | |
| 207 | 239 |
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240 void HttpOutput::StateMachine::CloseBody() |
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241 { |
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242 switch (state_) |
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243 { |
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244 case State_WritingHeader: |
| 1522 | 245 SetContentLength(0); |
| 246 SendBody(NULL, 0); | |
| 247 break; | |
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248 |
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249 case State_WritingBody: |
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250 if (!hasContentLength_ || |
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251 contentPosition_ == contentLength_) |
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252 { |
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253 state_ = State_Done; |
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254 } |
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255 else |
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256 { |
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257 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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258 "The body size has not reached what was declared with SetContentSize()"); |
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259 } |
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260 |
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261 break; |
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262 |
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263 case State_WritingMultipart: |
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264 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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265 "Cannot invoke CloseBody() with multipart outputs"); |
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266 |
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267 case State_Done: |
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268 return; // Ignore |
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269 |
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270 default: |
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271 throw OrthancException(ErrorCode_InternalError); |
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272 } |
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273 } |
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274 |
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275 |
| 1517 | 276 HttpCompression HttpOutput::GetPreferredCompression(size_t bodySize) const |
| 277 { | |
| 278 #if 0 | |
| 279 // TODO Do not compress small files? | |
| 280 if (bodySize < 512) | |
| 281 { | |
| 282 return HttpCompression_None; | |
| 283 } | |
| 284 #endif | |
| 285 | |
| 286 // Prefer "gzip" over "deflate" if the choice is offered | |
| 287 | |
| 288 if (isGzipAllowed_) | |
| 289 { | |
| 290 return HttpCompression_Gzip; | |
| 291 } | |
| 292 else if (isDeflateAllowed_) | |
| 293 { | |
| 294 return HttpCompression_Deflate; | |
| 295 } | |
| 296 else | |
| 297 { | |
| 298 return HttpCompression_None; | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 | |
| 4298 | 303 HttpOutput::HttpOutput(IHttpOutputStream &stream, |
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304 bool isKeepAlive, |
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305 unsigned int keepAliveTimeout) : |
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306 stateMachine_(stream, isKeepAlive, keepAliveTimeout), |
| 4298 | 307 isDeflateAllowed_(false), |
| 308 isGzipAllowed_(false) | |
| 309 { | |
| 310 } | |
| 311 | |
| 312 void HttpOutput::SetDeflateAllowed(bool allowed) | |
| 313 { | |
| 314 isDeflateAllowed_ = allowed; | |
| 315 } | |
| 316 | |
| 317 bool HttpOutput::IsDeflateAllowed() const | |
| 318 { | |
| 319 return isDeflateAllowed_; | |
| 320 } | |
| 321 | |
| 322 void HttpOutput::SetGzipAllowed(bool allowed) | |
| 323 { | |
| 324 isGzipAllowed_ = allowed; | |
| 325 } | |
| 326 | |
| 327 bool HttpOutput::IsGzipAllowed() const | |
| 328 { | |
| 329 return isGzipAllowed_; | |
| 330 } | |
| 331 | |
| 332 | |
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333 void HttpOutput::SendMethodNotAllowed(const std::string& allowed) |
| 0 | 334 { |
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335 stateMachine_.ClearHeaders(); |
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336 stateMachine_.SetHttpStatus(HttpStatus_405_MethodNotAllowed); |
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337 stateMachine_.AddHeader("Allow", allowed); |
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338 stateMachine_.SendBody(NULL, 0); |
| 0 | 339 } |
| 340 | |
| 341 | |
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342 void HttpOutput::SendStatus(HttpStatus status, |
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343 const char* message, |
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344 size_t messageSize) |
| 0 | 345 { |
| 1954 | 346 if (status == HttpStatus_301_MovedPermanently || |
| 3425 | 347 //status == HttpStatus_401_Unauthorized || |
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348 status == HttpStatus_405_MethodNotAllowed) |
| 0 | 349 { |
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350 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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351 "Please use the dedicated methods to this HTTP status code in HttpOutput"); |
| 0 | 352 } |
| 353 | |
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354 stateMachine_.SetHttpStatus(status); |
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355 stateMachine_.SendBody(message, messageSize); |
| 339 | 356 } |
| 357 | |
| 4298 | 358 void HttpOutput::SendStatus(HttpStatus status) |
| 359 { | |
| 360 SendStatus(status, NULL, 0); | |
| 361 } | |
| 362 | |
| 363 void HttpOutput::SendStatus(HttpStatus status, const std::string &message) | |
| 364 { | |
| 365 SendStatus(status, message.c_str(), message.size()); | |
| 366 } | |
| 367 | |
| 368 void HttpOutput::SetContentType(MimeType contentType) | |
| 369 { | |
| 370 stateMachine_.SetContentType(EnumerationToString(contentType)); | |
| 371 } | |
| 372 | |
| 373 void HttpOutput::SetContentType(const std::string &contentType) | |
| 374 { | |
| 375 stateMachine_.SetContentType(contentType.c_str()); | |
| 376 } | |
| 377 | |
| 378 void HttpOutput::SetContentFilename(const char *filename) | |
| 379 { | |
| 380 stateMachine_.SetContentFilename(filename); | |
| 381 } | |
| 382 | |
| 383 void HttpOutput::SetCookie(const std::string &cookie, const std::string &value) | |
| 384 { | |
| 385 stateMachine_.SetCookie(cookie, value); | |
| 386 } | |
| 387 | |
| 388 void HttpOutput::AddHeader(const std::string &key, const std::string &value) | |
| 389 { | |
| 390 stateMachine_.AddHeader(key, value); | |
| 391 } | |
| 392 | |
| 339 | 393 |
| 0 | 394 void HttpOutput::Redirect(const std::string& path) |
| 395 { | |
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396 stateMachine_.ClearHeaders(); |
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397 stateMachine_.SetHttpStatus(HttpStatus_301_MovedPermanently); |
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398 stateMachine_.AddHeader("Location", path); |
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399 stateMachine_.SendBody(NULL, 0); |
| 0 | 400 } |
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401 |
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402 |
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403 void HttpOutput::SendUnauthorized(const std::string& realm) |
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404 { |
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405 stateMachine_.ClearHeaders(); |
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406 stateMachine_.SetHttpStatus(HttpStatus_401_Unauthorized); |
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407 stateMachine_.AddHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\""); |
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408 stateMachine_.SendBody(NULL, 0); |
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409 } |
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410 |
| 4298 | 411 void HttpOutput::StartMultipart(const std::string &subType, const std::string &contentType) |
| 412 { | |
| 413 stateMachine_.StartMultipart(subType, contentType); | |
| 414 } | |
| 415 | |
| 416 void HttpOutput::SendMultipartItem(const void *item, | |
| 417 size_t size, | |
| 418 const std::map<std::string, std::string> &headers) | |
| 419 { | |
| 420 stateMachine_.SendMultipartItem(item, size, headers); | |
| 421 } | |
| 422 | |
| 423 void HttpOutput::CloseMultipart() | |
| 424 { | |
| 425 stateMachine_.CloseMultipart(); | |
| 426 } | |
| 427 | |
| 428 bool HttpOutput::IsWritingMultipart() const | |
| 429 { | |
| 430 return stateMachine_.GetState() == StateMachine::State_WritingMultipart; | |
| 431 } | |
| 432 | |
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433 |
| 4298 | 434 void HttpOutput::Answer(const void* buffer, |
| 1521 | 435 size_t length) |
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436 { |
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437 if (length == 0) |
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438 { |
| 1521 | 439 AnswerEmpty(); |
| 440 return; | |
| 441 } | |
| 442 | |
| 443 HttpCompression compression = GetPreferredCompression(length); | |
| 444 | |
| 445 if (compression == HttpCompression_None) | |
| 446 { | |
| 447 stateMachine_.SetContentLength(length); | |
| 448 stateMachine_.SendBody(buffer, length); | |
| 449 return; | |
| 450 } | |
| 451 | |
| 452 std::string compressed, encoding; | |
| 453 | |
| 454 switch (compression) | |
| 455 { | |
| 456 case HttpCompression_Deflate: | |
| 457 { | |
| 458 encoding = "deflate"; | |
| 459 ZlibCompressor compressor; | |
| 460 // Do not prefix the buffer with its uncompressed size, to be compatible with "deflate" | |
| 461 compressor.SetPrefixWithUncompressedSize(false); | |
| 462 compressor.Compress(compressed, buffer, length); | |
| 463 break; | |
| 464 } | |
| 465 | |
| 466 case HttpCompression_Gzip: | |
| 467 { | |
| 468 encoding = "gzip"; | |
| 469 GzipCompressor compressor; | |
| 470 compressor.Compress(compressed, buffer, length); | |
| 471 break; | |
| 472 } | |
| 473 | |
| 474 default: | |
| 475 throw OrthancException(ErrorCode_InternalError); | |
| 476 } | |
| 477 | |
| 478 LOG(TRACE) << "Compressing a HTTP answer using " << encoding; | |
| 479 | |
| 480 // The body is empty, do not use HTTP compression | |
| 481 if (compressed.size() == 0) | |
| 482 { | |
| 483 AnswerEmpty(); | |
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484 } |
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485 else |
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486 { |
| 1521 | 487 stateMachine_.AddHeader("Content-Encoding", encoding); |
| 488 stateMachine_.SetContentLength(compressed.size()); | |
| 489 stateMachine_.SendBody(compressed.c_str(), compressed.size()); | |
| 490 } | |
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491 |
| 1521 | 492 stateMachine_.CloseBody(); |
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493 } |
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494 |
| 1521 | 495 |
| 496 void HttpOutput::Answer(const std::string& str) | |
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497 { |
| 1521 | 498 Answer(str.size() == 0 ? NULL : str.c_str(), str.size()); |
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499 } |
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500 |
| 1521 | 501 |
| 502 void HttpOutput::AnswerEmpty() | |
|
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503 { |
|
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504 stateMachine_.CloseBody(); |
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505 } |
|
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506 |
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507 |
|
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508 void HttpOutput::StateMachine::CheckHeadersCompatibilityWithMultipart() const |
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509 { |
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510 for (std::list<std::string>::const_iterator |
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511 it = headers_.begin(); it != headers_.end(); ++it) |
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512 { |
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513 if (!Toolbox::StartsWith(*it, "Set-Cookie: ")) |
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514 { |
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515 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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516 "The only headers that can be set in multipart answers " |
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517 "are Set-Cookie (here: " + *it + " is set)"); |
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518 } |
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519 } |
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520 } |
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521 |
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522 |
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523 static void PrepareMultipartMainHeader(std::string& boundary, |
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524 std::string& contentTypeHeader, |
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525 const std::string& subType, |
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526 const std::string& contentType) |
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527 { |
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528 if (subType != "mixed" && |
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529 subType != "related") |
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530 { |
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531 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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532 } |
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533 |
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534 /** |
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535 * Fix for issue 54 ("Decide what to do wrt. quoting of multipart |
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536 * answers"). The "type" parameter in the "Content-Type" HTTP |
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537 * header must be quoted if it contains a forward slash "/". This |
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538 * is necessary for DICOMweb compatibility with OsiriX, but breaks |
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539 * compatibility with old releases of the client in the Orthanc |
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540 * DICOMweb plugin <= 0.3 (releases >= 0.4 work fine). |
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541 * |
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542 * Full history is available at the following locations: |
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543 * - In changeset 2248:69b0f4e8a49b: |
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544 * # hg history -v -r 2248 |
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545 * - https://bugs.orthanc-server.com/show_bug.cgi?id=54 |
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546 * - https://groups.google.com/d/msg/orthanc-users/65zhIM5xbKI/TU5Q1_LhAwAJ |
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547 **/ |
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548 std::string tmp; |
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549 if (contentType.find('/') == std::string::npos) |
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550 { |
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551 // No forward slash in the content type |
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552 tmp = contentType; |
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553 } |
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554 else |
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555 { |
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556 // Quote the content type because of the forward slash |
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557 tmp = "\"" + contentType + "\""; |
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558 } |
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559 |
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560 boundary = Toolbox::GenerateUuid() + "-" + Toolbox::GenerateUuid(); |
| 3616 | 561 |
| 562 /** | |
| 563 * Fix for issue #165: "Encapsulation boundaries must not appear | |
| 564 * within the encapsulations, and must be no longer than 70 | |
| 565 * characters, not counting the two leading hyphens." | |
| 566 * https://tools.ietf.org/html/rfc1521 | |
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567 * https://bugs.orthanc-server.com/show_bug.cgi?id=165 |
| 3616 | 568 **/ |
| 569 if (boundary.size() != 36 + 1 + 36) // one UUID contains 36 characters | |
| 570 { | |
| 571 throw OrthancException(ErrorCode_InternalError); | |
| 572 } | |
| 573 | |
| 574 boundary = boundary.substr(0, 70); | |
| 575 | |
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576 contentTypeHeader = ("multipart/" + subType + "; type=" + tmp + "; boundary=" + boundary); |
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577 } |
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578 |
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579 |
|
4672
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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580 void HttpOutput::StateMachine::StartStreamInternal(const std::string& contentType) |
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581 { |
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582 if (state_ != State_WritingHeader) |
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583 { |
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584 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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585 } |
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586 |
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587 if (status_ != HttpStatus_200_Ok) |
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588 { |
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589 SendBody(NULL, 0); |
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590 return; |
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591 } |
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592 |
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593 stream_.OnHttpStatusReceived(status_); |
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594 |
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595 std::string header = "HTTP/1.1 200 OK\r\n"; |
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596 |
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597 if (keepAlive_) |
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598 { |
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599 #if ORTHANC_ENABLE_MONGOOSE == 1 |
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600 throw OrthancException(ErrorCode_NotImplemented, |
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601 "Multipart answers are not implemented together " |
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602 "with keep-alive connections if using Mongoose"); |
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603 |
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604 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
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605 # if CIVETWEB_HAS_DISABLE_KEEP_ALIVE == 1 |
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606 // Turn off Keep-Alive for multipart answers |
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607 // https://github.com/civetweb/civetweb/issues/727 |
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608 stream_.DisableKeepAlive(); |
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609 header += "Connection: close\r\n"; |
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610 # else |
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611 // The function "mg_disable_keep_alive()" is not available, |
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612 // let's continue with Keep-Alive. Performance of WADO-RS will |
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613 // decrease. |
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614 header += "Connection: keep-alive\r\n"; |
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615 # endif |
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616 |
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617 #else |
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618 # error Please support your embedded Web server here |
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619 #endif |
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620 } |
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621 else |
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622 { |
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623 header += "Connection: close\r\n"; |
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624 } |
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625 |
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626 for (std::list<std::string>::const_iterator |
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627 it = headers_.begin(); it != headers_.end(); ++it) |
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628 { |
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629 header += *it; |
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630 } |
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631 |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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632 header += ("Content-Type: " + contentType + "\r\n\r\n"); |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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633 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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634 stream_.Send(true, header.c_str(), header.size()); |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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635 } |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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changeset
|
636 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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637 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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638 void HttpOutput::StateMachine::StartMultipart(const std::string& subType, |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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639 const std::string& contentType) |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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640 { |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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641 CheckHeadersCompatibilityWithMultipart(); |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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642 |
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643 std::string contentTypeHeader; |
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644 PrepareMultipartMainHeader(multipartBoundary_, contentTypeHeader, subType, contentType); |
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645 multipartContentType_ = contentType; |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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646 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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647 StartStreamInternal(contentTypeHeader); |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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648 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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649 state_ = State_WritingMultipart; |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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650 } |
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651 |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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changeset
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652 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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653 void HttpOutput::StateMachine::StartStream(const std::string& contentType) |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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654 { |
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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655 StartStreamInternal(contentType); |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
656 state_ = State_WritingStream; |
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657 } |
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658 |
|
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Plugins can send answers as multipart messages
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changeset
|
659 |
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660 static void PrepareMultipartItemHeader(std::string& target, |
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661 size_t length, |
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662 const std::map<std::string, std::string>& headers, |
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663 const std::string& boundary, |
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664 const std::string& contentType) |
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665 { |
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666 target = "--" + boundary + "\r\n"; |
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changeset
|
667 |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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668 bool hasContentType = false; |
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669 bool hasContentLength = false; |
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670 bool hasMimeVersion = false; |
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
671 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
672 for (std::map<std::string, std::string>::const_iterator |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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673 it = headers.begin(); it != headers.end(); ++it) |
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
674 { |
|
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675 target += it->first + ": " + it->second + "\r\n"; |
|
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changeset
|
676 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
677 std::string tmp; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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|
678 Toolbox::ToLowerCase(tmp, it->first); |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
679 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
680 if (tmp == "content-type") |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
681 { |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
682 hasContentType = true; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
683 } |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
684 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
685 if (tmp == "content-length") |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
686 { |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
687 hasContentLength = true; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
688 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
689 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
690 if (tmp == "mime-version") |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
691 { |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
692 hasMimeVersion = true; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
693 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
694 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
695 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
696 if (!hasContentType) |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
697 { |
|
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|
698 target += "Content-Type: " + contentType + "\r\n"; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
699 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
700 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
701 if (!hasContentLength) |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
702 { |
|
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|
703 target += "Content-Length: " + boost::lexical_cast<std::string>(length) + "\r\n"; |
|
1882
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
704 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
705 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
706 if (!hasMimeVersion) |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
707 { |
|
3528
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changeset
|
708 target += "MIME-Version: 1.0\r\n\r\n"; |
|
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changeset
|
709 } |
|
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don't open a multipart stream if plugin only sends one part
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changeset
|
710 } |
|
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don't open a multipart stream if plugin only sends one part
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diff
changeset
|
711 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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changeset
|
712 |
|
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changeset
|
713 void HttpOutput::StateMachine::SendMultipartItem(const void* item, |
|
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|
714 size_t length, |
|
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|
715 const std::map<std::string, std::string>& headers) |
|
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changeset
|
716 { |
|
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changeset
|
717 if (state_ != State_WritingMultipart) |
|
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changeset
|
718 { |
|
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don't open a multipart stream if plugin only sends one part
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changeset
|
719 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
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changeset
|
720 } |
|
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Plugins can send answers as multipart messages
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changeset
|
721 |
|
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|
722 std::string header; |
|
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|
723 PrepareMultipartItemHeader(header, length, headers, multipartBoundary_, multipartContentType_); |
|
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|
724 stream_.Send(false, header.c_str(), header.size()); |
|
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Plugins can send answers as multipart messages
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changeset
|
725 |
|
ad94a3583b07
Plugins can send answers as multipart messages
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changeset
|
726 if (length > 0) |
|
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Plugins can send answers as multipart messages
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changeset
|
727 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
728 stream_.Send(false, item, length); |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
729 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
730 |
|
1882
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
731 stream_.Send(false, "\r\n", 2); |
|
1430
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
732 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
733 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
734 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
735 void HttpOutput::StateMachine::CloseMultipart() |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
736 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
737 if (state_ != State_WritingMultipart) |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
738 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
739 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
740 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
741 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
742 // The two lines below might throw an exception, if the client has |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
743 // closed the connection. Such an error is ignored. |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
744 try |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
745 { |
|
1832
b7da58699f92
Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1645
diff
changeset
|
746 std::string header = "--" + multipartBoundary_ + "--\r\n"; |
|
1430
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
747 stream_.Send(false, header.c_str(), header.size()); |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
748 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
749 catch (OrthancException&) |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
750 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
751 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
752 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
753 state_ = State_Done; |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
754 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
755 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
756 |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
757 void HttpOutput::StateMachine::SendStreamItem(const void* data, |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
758 size_t size) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
759 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
760 if (state_ != State_WritingStream) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
761 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
762 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
763 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
764 else |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
765 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
766 if (size > 0) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
767 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
768 stream_.Send(false, data, size); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
769 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
770 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
771 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
772 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
773 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
774 void HttpOutput::StateMachine::CloseStream() |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
775 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
776 if (state_ != State_WritingStream) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
777 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
778 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
779 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
780 else |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
781 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
782 state_ = State_Done; |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
783 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
784 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
785 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
786 |
|
3380
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
787 static void AnswerStreamAsBuffer(HttpOutput& output, |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
788 IHttpStreamAnswer& stream) |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
789 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
790 ChunkedBuffer buffer; |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
791 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
792 while (stream.ReadNextChunk()) |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
793 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
794 if (stream.GetChunkSize() > 0) |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
795 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
796 buffer.AddChunk(stream.GetChunkContent(), stream.GetChunkSize()); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
797 } |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
798 } |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
799 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
800 std::string s; |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
801 buffer.Flatten(s); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
802 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
803 output.SetContentType(stream.GetContentType()); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
804 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
805 std::string filename; |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
806 if (stream.HasContentFilename(filename)) |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
807 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
808 output.SetContentFilename(filename.c_str()); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
809 } |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
810 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
811 output.Answer(s); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
812 } |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
813 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
814 |
|
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
815 void HttpOutput::Answer(IHttpStreamAnswer& stream) |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
816 { |
|
1523
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
817 HttpCompression compression = stream.SetupHttpCompression(isGzipAllowed_, isDeflateAllowed_); |
|
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
818 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
819 switch (compression) |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
820 { |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
821 case HttpCompression_None: |
|
3380
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
822 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
823 if (isGzipAllowed_ || isDeflateAllowed_) |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
824 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
825 // New in Orthanc 1.5.7: Compress streams without built-in |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
826 // compression, if requested by the "Accept-Encoding" HTTP |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
827 // header |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3178
diff
changeset
|
828 AnswerStreamAsBuffer(*this, stream); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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|
829 return; |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
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|
830 } |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
831 |
|
1519
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diff
changeset
|
832 break; |
|
3380
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changeset
|
833 } |
|
1519
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diff
changeset
|
834 |
|
8bd0d897763f
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diff
changeset
|
835 case HttpCompression_Gzip: |
|
8bd0d897763f
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changeset
|
836 stateMachine_.AddHeader("Content-Encoding", "gzip"); |
|
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refactoring: IHttpStreamAnswer
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changeset
|
837 break; |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
838 |
|
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refactoring: IHttpStreamAnswer
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diff
changeset
|
839 case HttpCompression_Deflate: |
|
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diff
changeset
|
840 stateMachine_.AddHeader("Content-Encoding", "deflate"); |
|
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diff
changeset
|
841 break; |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
842 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
843 default: |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
844 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
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diff
changeset
|
845 } |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
846 |
|
1523
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
847 stateMachine_.SetContentLength(stream.GetContentLength()); |
|
c388502a066d
testing FilesystemHttpSender
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diff
changeset
|
848 |
|
c388502a066d
testing FilesystemHttpSender
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changeset
|
849 std::string contentType = stream.GetContentType(); |
|
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testing FilesystemHttpSender
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parents:
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diff
changeset
|
850 if (contentType.empty()) |
|
c388502a066d
testing FilesystemHttpSender
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parents:
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diff
changeset
|
851 { |
|
2905
ae20fccdd867
refactoring mime types
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parents:
2805
diff
changeset
|
852 contentType = MIME_BINARY; |
|
1523
c388502a066d
testing FilesystemHttpSender
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diff
changeset
|
853 } |
|
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
854 |
|
c388502a066d
testing FilesystemHttpSender
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parents:
1522
diff
changeset
|
855 stateMachine_.SetContentType(contentType.c_str()); |
|
c388502a066d
testing FilesystemHttpSender
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parents:
1522
diff
changeset
|
856 |
|
c388502a066d
testing FilesystemHttpSender
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parents:
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diff
changeset
|
857 std::string filename; |
|
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testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
858 if (stream.HasContentFilename(filename)) |
|
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
859 { |
|
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
860 SetContentFilename(filename.c_str()); |
|
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testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
861 } |
|
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
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1522
diff
changeset
|
862 |
|
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
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parents:
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diff
changeset
|
863 while (stream.ReadNextChunk()) |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
864 { |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
865 stateMachine_.SendBody(stream.GetChunkContent(), |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
866 stream.GetChunkSize()); |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
867 } |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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parents:
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diff
changeset
|
868 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
869 stateMachine_.CloseBody(); |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
870 } |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
871 |
|
3528
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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parents:
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diff
changeset
|
872 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
873 void HttpOutput::AnswerMultipartWithoutChunkedTransfer( |
|
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parents:
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changeset
|
874 const std::string& subType, |
|
f6fe095f7130
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changeset
|
875 const std::string& contentType, |
|
f6fe095f7130
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changeset
|
876 const std::vector<const void*>& parts, |
|
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changeset
|
877 const std::vector<size_t>& sizes, |
|
f6fe095f7130
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changeset
|
878 const std::vector<const std::map<std::string, std::string>*>& headers) |
|
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changeset
|
879 { |
|
f6fe095f7130
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Sebastien Jodogne <s.jodogne@gmail.com>
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changeset
|
880 if (parts.size() != sizes.size()) |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
881 { |
|
f6fe095f7130
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changeset
|
882 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
f6fe095f7130
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Sebastien Jodogne <s.jodogne@gmail.com>
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changeset
|
883 } |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
884 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
885 stateMachine_.CheckHeadersCompatibilityWithMultipart(); |
|
f6fe095f7130
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diff
changeset
|
886 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
887 std::string boundary, contentTypeHeader; |
|
f6fe095f7130
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parents:
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diff
changeset
|
888 PrepareMultipartMainHeader(boundary, contentTypeHeader, subType, contentType); |
|
f6fe095f7130
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changeset
|
889 SetContentType(contentTypeHeader); |
|
f6fe095f7130
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diff
changeset
|
890 |
|
f6fe095f7130
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diff
changeset
|
891 std::map<std::string, std::string> empty; |
|
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diff
changeset
|
892 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
893 ChunkedBuffer chunked; |
|
f6fe095f7130
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diff
changeset
|
894 for (size_t i = 0; i < parts.size(); i++) |
|
f6fe095f7130
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changeset
|
895 { |
|
f6fe095f7130
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diff
changeset
|
896 std::string partHeader; |
|
f6fe095f7130
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diff
changeset
|
897 PrepareMultipartItemHeader(partHeader, sizes[i], headers[i] == NULL ? empty : *headers[i], |
|
f6fe095f7130
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diff
changeset
|
898 boundary, contentType); |
|
f6fe095f7130
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diff
changeset
|
899 |
|
f6fe095f7130
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diff
changeset
|
900 chunked.AddChunk(partHeader); |
|
f6fe095f7130
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diff
changeset
|
901 chunked.AddChunk(parts[i], sizes[i]); |
|
f6fe095f7130
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diff
changeset
|
902 chunked.AddChunk("\r\n"); |
|
f6fe095f7130
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diff
changeset
|
903 } |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
904 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
905 chunked.AddChunk("--" + boundary + "--\r\n"); |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
906 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
907 std::string body; |
|
f6fe095f7130
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diff
changeset
|
908 chunked.Flatten(body); |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
909 Answer(body); |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
910 } |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
911 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
912 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
913 void HttpOutput::AnswerWithoutBuffering(IHttpStreamAnswer& stream) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
914 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
915 std::string contentType = stream.GetContentType(); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
916 if (contentType.empty()) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
917 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
918 contentType = MIME_BINARY; |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
919 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
920 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
921 std::string filename; |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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diff
changeset
|
922 if (stream.HasContentFilename(filename)) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
923 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
924 stateMachine_.AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\""); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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4476
diff
changeset
|
925 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
926 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
927 stateMachine_.StartStream(contentType.c_str()); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
928 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
929 while (stream.ReadNextChunk()) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
930 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
931 stateMachine_.SendStreamItem(stream.GetChunkContent(), stream.GetChunkSize()); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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4476
diff
changeset
|
932 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
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4476
diff
changeset
|
933 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
934 stateMachine_.CloseStream(); |
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d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
935 } |
| 0 | 936 } |