Mercurial > hg > orthanc
annotate Core/HttpServer/HttpOutput.cpp @ 2200:af60b784d2b8
Ignore "Group Length" tags in C-FIND queries
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 Dec 2016 14:40:34 +0100 |
parents | 84d1d392a9ab |
children | a3a65de1840f |
rev | line source |
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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 |
0 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
136 | 10 * |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
0 | 22 * |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
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33 #include "../PrecompiledHeaders.h" |
0 | 34 #include "HttpOutput.h" |
35 | |
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36 #include "../Logging.h" |
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37 #include "../OrthancException.h" |
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38 #include "../SystemToolbox.h" |
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39 #include "../Toolbox.h" |
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40 #include "../Compression/GzipCompressor.h" |
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41 #include "../Compression/ZlibCompressor.h" |
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42 |
324 | 43 #include <iostream> |
0 | 44 #include <vector> |
45 #include <stdio.h> | |
46 #include <boost/lexical_cast.hpp> | |
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47 |
0 | 48 |
59 | 49 namespace Orthanc |
0 | 50 { |
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51 HttpOutput::StateMachine::StateMachine(IHttpOutputStream& stream, |
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52 bool isKeepAlive) : |
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53 stream_(stream), |
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54 state_(State_WritingHeader), |
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55 status_(HttpStatus_200_Ok), |
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56 hasContentLength_(false), |
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57 contentPosition_(0), |
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58 keepAlive_(isKeepAlive) |
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59 { |
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60 } |
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61 |
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62 HttpOutput::StateMachine::~StateMachine() |
910 | 63 { |
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64 if (state_ != State_Done) |
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65 { |
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66 //asm volatile ("int3;"); |
1200 | 67 //LOG(ERROR) << "This HTTP answer does not contain any body"; |
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68 } |
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69 |
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70 if (hasContentLength_ && contentPosition_ != contentLength_) |
910 | 71 { |
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72 LOG(ERROR) << "This HTTP answer has not sent the proper number of bytes in its body"; |
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73 } |
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74 } |
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75 |
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76 |
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77 void HttpOutput::StateMachine::SetHttpStatus(HttpStatus status) |
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78 { |
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79 if (state_ != State_WritingHeader) |
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80 { |
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81 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
910 | 82 } |
83 | |
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84 status_ = status; |
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85 } |
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86 |
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87 |
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88 void HttpOutput::StateMachine::SetContentLength(uint64_t length) |
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89 { |
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90 if (state_ != State_WritingHeader) |
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91 { |
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92 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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93 } |
910 | 94 |
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95 hasContentLength_ = true; |
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96 contentLength_ = length; |
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97 } |
910 | 98 |
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99 void HttpOutput::StateMachine::SetContentType(const char* contentType) |
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100 { |
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101 AddHeader("Content-Type", contentType); |
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102 } |
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103 |
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104 void HttpOutput::StateMachine::SetContentFilename(const char* filename) |
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105 { |
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106 // TODO Escape double quotes |
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107 AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\""); |
910 | 108 } |
109 | |
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110 void HttpOutput::StateMachine::SetCookie(const std::string& cookie, |
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111 const std::string& value) |
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112 { |
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113 if (state_ != State_WritingHeader) |
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114 { |
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115 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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116 } |
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117 |
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118 // TODO Escape "=" characters |
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119 AddHeader("Set-Cookie", cookie + "=" + value); |
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120 } |
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121 |
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122 |
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123 void HttpOutput::StateMachine::AddHeader(const std::string& header, |
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124 const std::string& value) |
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125 { |
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126 if (state_ != State_WritingHeader) |
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127 { |
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128 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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129 } |
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130 |
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131 headers_.push_back(header + ": " + value + "\r\n"); |
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132 } |
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133 |
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134 void HttpOutput::StateMachine::ClearHeaders() |
910 | 135 { |
136 if (state_ != State_WritingHeader) | |
137 { | |
138 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
139 } | |
140 | |
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141 headers_.clear(); |
910 | 142 } |
143 | |
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144 void HttpOutput::StateMachine::SendBody(const void* buffer, size_t length) |
910 | 145 { |
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146 if (state_ == State_Done) |
910 | 147 { |
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148 if (length == 0) |
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149 { |
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150 return; |
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151 } |
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152 else |
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153 { |
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154 LOG(ERROR) << "Because of keep-alive connections, the entire body must be sent at once or Content-Length must be given"; |
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155 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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156 } |
910 | 157 } |
158 | |
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159 if (state_ == State_WritingMultipart) |
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160 { |
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161 throw OrthancException(ErrorCode_InternalError); |
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162 } |
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163 |
910 | 164 if (state_ == State_WritingHeader) |
165 { | |
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166 // Send the HTTP header before writing the body |
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167 |
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168 stream_.OnHttpStatusReceived(status_); |
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169 |
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170 std::string s = "HTTP/1.1 " + |
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171 boost::lexical_cast<std::string>(status_) + |
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172 " " + std::string(EnumerationToString(status_)) + |
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173 "\r\n"; |
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174 |
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175 if (keepAlive_) |
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176 { |
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177 s += "Connection: keep-alive\r\n"; |
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178 } |
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179 |
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180 for (std::list<std::string>::const_iterator |
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181 it = headers_.begin(); it != headers_.end(); ++it) |
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182 { |
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183 s += *it; |
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184 } |
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185 |
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186 if (status_ != HttpStatus_200_Ok) |
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187 { |
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188 hasContentLength_ = false; |
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189 } |
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190 |
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191 uint64_t contentLength = (hasContentLength_ ? contentLength_ : length); |
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192 s += "Content-Length: " + boost::lexical_cast<std::string>(contentLength) + "\r\n\r\n"; |
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193 |
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194 stream_.Send(true, s.c_str(), s.size()); |
910 | 195 state_ = State_WritingBody; |
196 } | |
197 | |
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198 if (hasContentLength_ && |
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199 contentPosition_ + length > contentLength_) |
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200 { |
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201 LOG(ERROR) << "The body size exceeds what was declared with SetContentSize()"; |
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202 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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203 } |
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204 |
910 | 205 if (length > 0) |
206 { | |
911 | 207 stream_.Send(false, buffer, length); |
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208 contentPosition_ += length; |
330 | 209 } |
210 | |
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211 if (!hasContentLength_ || |
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212 contentPosition_ == contentLength_) |
330 | 213 { |
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214 state_ = State_Done; |
330 | 215 } |
216 } | |
217 | |
207 | 218 |
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219 void HttpOutput::StateMachine::CloseBody() |
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220 { |
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221 switch (state_) |
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222 { |
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223 case State_WritingHeader: |
1522 | 224 SetContentLength(0); |
225 SendBody(NULL, 0); | |
226 break; | |
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227 |
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228 case State_WritingBody: |
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229 if (!hasContentLength_ || |
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230 contentPosition_ == contentLength_) |
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231 { |
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232 state_ = State_Done; |
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233 } |
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234 else |
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235 { |
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236 LOG(ERROR) << "The body size has not reached what was declared with SetContentSize()"; |
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237 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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238 } |
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239 |
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240 break; |
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241 |
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242 case State_WritingMultipart: |
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243 LOG(ERROR) << "Cannot invoke CloseBody() with multipart outputs"; |
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244 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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245 |
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246 case State_Done: |
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247 return; // Ignore |
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248 |
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249 default: |
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250 throw OrthancException(ErrorCode_InternalError); |
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251 } |
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252 } |
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253 |
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254 |
1517 | 255 HttpCompression HttpOutput::GetPreferredCompression(size_t bodySize) const |
256 { | |
257 #if 0 | |
258 // TODO Do not compress small files? | |
259 if (bodySize < 512) | |
260 { | |
261 return HttpCompression_None; | |
262 } | |
263 #endif | |
264 | |
265 // Prefer "gzip" over "deflate" if the choice is offered | |
266 | |
267 if (isGzipAllowed_) | |
268 { | |
269 return HttpCompression_Gzip; | |
270 } | |
271 else if (isDeflateAllowed_) | |
272 { | |
273 return HttpCompression_Deflate; | |
274 } | |
275 else | |
276 { | |
277 return HttpCompression_None; | |
278 } | |
279 } | |
280 | |
281 | |
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282 void HttpOutput::SendMethodNotAllowed(const std::string& allowed) |
0 | 283 { |
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284 stateMachine_.ClearHeaders(); |
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285 stateMachine_.SetHttpStatus(HttpStatus_405_MethodNotAllowed); |
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286 stateMachine_.AddHeader("Allow", allowed); |
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287 stateMachine_.SendBody(NULL, 0); |
0 | 288 } |
289 | |
290 | |
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291 void HttpOutput::SendStatus(HttpStatus status, |
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292 const char* message, |
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293 size_t messageSize) |
0 | 294 { |
1954 | 295 if (status == HttpStatus_301_MovedPermanently || |
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296 status == HttpStatus_401_Unauthorized || |
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297 status == HttpStatus_405_MethodNotAllowed) |
0 | 298 { |
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299 LOG(ERROR) << "Please use the dedicated methods to this HTTP status code in HttpOutput"; |
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300 throw OrthancException(ErrorCode_ParameterOutOfRange); |
0 | 301 } |
302 | |
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303 stateMachine_.SetHttpStatus(status); |
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304 stateMachine_.SendBody(message, messageSize); |
339 | 305 } |
306 | |
307 | |
0 | 308 void HttpOutput::Redirect(const std::string& path) |
309 { | |
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310 stateMachine_.ClearHeaders(); |
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311 stateMachine_.SetHttpStatus(HttpStatus_301_MovedPermanently); |
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312 stateMachine_.AddHeader("Location", path); |
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313 stateMachine_.SendBody(NULL, 0); |
0 | 314 } |
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315 |
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316 |
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317 void HttpOutput::SendUnauthorized(const std::string& realm) |
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318 { |
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319 stateMachine_.ClearHeaders(); |
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320 stateMachine_.SetHttpStatus(HttpStatus_401_Unauthorized); |
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321 stateMachine_.AddHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\""); |
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322 stateMachine_.SendBody(NULL, 0); |
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323 } |
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324 |
1521 | 325 void HttpOutput::Answer(const void* buffer, |
326 size_t length) | |
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327 { |
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328 if (length == 0) |
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329 { |
1521 | 330 AnswerEmpty(); |
331 return; | |
332 } | |
333 | |
334 HttpCompression compression = GetPreferredCompression(length); | |
335 | |
336 if (compression == HttpCompression_None) | |
337 { | |
338 stateMachine_.SetContentLength(length); | |
339 stateMachine_.SendBody(buffer, length); | |
340 return; | |
341 } | |
342 | |
343 std::string compressed, encoding; | |
344 | |
345 switch (compression) | |
346 { | |
347 case HttpCompression_Deflate: | |
348 { | |
349 encoding = "deflate"; | |
350 ZlibCompressor compressor; | |
351 // Do not prefix the buffer with its uncompressed size, to be compatible with "deflate" | |
352 compressor.SetPrefixWithUncompressedSize(false); | |
353 compressor.Compress(compressed, buffer, length); | |
354 break; | |
355 } | |
356 | |
357 case HttpCompression_Gzip: | |
358 { | |
359 encoding = "gzip"; | |
360 GzipCompressor compressor; | |
361 compressor.Compress(compressed, buffer, length); | |
362 break; | |
363 } | |
364 | |
365 default: | |
366 throw OrthancException(ErrorCode_InternalError); | |
367 } | |
368 | |
369 LOG(TRACE) << "Compressing a HTTP answer using " << encoding; | |
370 | |
371 // The body is empty, do not use HTTP compression | |
372 if (compressed.size() == 0) | |
373 { | |
374 AnswerEmpty(); | |
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375 } |
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376 else |
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377 { |
1521 | 378 stateMachine_.AddHeader("Content-Encoding", encoding); |
379 stateMachine_.SetContentLength(compressed.size()); | |
380 stateMachine_.SendBody(compressed.c_str(), compressed.size()); | |
381 } | |
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382 |
1521 | 383 stateMachine_.CloseBody(); |
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384 } |
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385 |
1521 | 386 |
387 void HttpOutput::Answer(const std::string& str) | |
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388 { |
1521 | 389 Answer(str.size() == 0 ? NULL : str.c_str(), str.size()); |
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390 } |
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391 |
1521 | 392 |
393 void HttpOutput::AnswerEmpty() | |
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394 { |
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395 stateMachine_.CloseBody(); |
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396 } |
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397 |
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398 |
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399 void HttpOutput::StateMachine::StartMultipart(const std::string& subType, |
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400 const std::string& contentType) |
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401 { |
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402 if (subType != "mixed" && |
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403 subType != "related") |
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404 { |
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405 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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406 } |
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407 |
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408 if (keepAlive_) |
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409 { |
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410 LOG(ERROR) << "Multipart answers are not implemented together with keep-alive connections"; |
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411 throw OrthancException(ErrorCode_NotImplemented); |
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412 } |
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413 |
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414 if (state_ != State_WritingHeader) |
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415 { |
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416 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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417 } |
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418 |
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419 if (status_ != HttpStatus_200_Ok) |
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420 { |
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421 SendBody(NULL, 0); |
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422 return; |
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423 } |
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424 |
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425 stream_.OnHttpStatusReceived(status_); |
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426 |
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427 std::string header = "HTTP/1.1 200 OK\r\n"; |
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428 |
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429 // Possibly add the cookies |
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430 for (std::list<std::string>::const_iterator |
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431 it = headers_.begin(); it != headers_.end(); ++it) |
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432 { |
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433 if (!Toolbox::StartsWith(*it, "Set-Cookie: ")) |
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434 { |
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435 LOG(ERROR) << "The only headers that can be set in multipart answers are Set-Cookie (here: " << *it << " is set)"; |
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436 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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437 } |
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438 |
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439 header += *it; |
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440 } |
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441 |
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442 multipartBoundary_ = SystemToolbox::GenerateUuid(); |
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443 multipartContentType_ = contentType; |
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444 header += "Content-Type: multipart/" + subType + "; type=" + contentType + "; boundary=" + multipartBoundary_ + "\r\n\r\n"; |
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445 |
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446 stream_.Send(true, header.c_str(), header.size()); |
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447 state_ = State_WritingMultipart; |
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448 } |
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449 |
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450 |
1882
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451 void HttpOutput::StateMachine::SendMultipartItem(const void* item, |
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452 size_t length, |
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453 const std::map<std::string, std::string>& headers) |
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454 { |
1882
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455 if (state_ != State_WritingMultipart) |
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456 { |
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457 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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458 } |
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459 |
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460 std::string header = "--" + multipartBoundary_ + "\r\n"; |
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461 |
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462 bool hasContentType = false; |
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463 bool hasContentLength = false; |
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464 bool hasMimeVersion = false; |
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465 |
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466 for (std::map<std::string, std::string>::const_iterator |
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467 it = headers.begin(); it != headers.end(); ++it) |
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468 { |
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469 header += it->first + ": " + it->second + "\r\n"; |
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470 |
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471 std::string tmp; |
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472 Toolbox::ToLowerCase(tmp, it->first); |
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473 |
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474 if (tmp == "content-type") |
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OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
475 { |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
476 hasContentType = true; |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
477 } |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
478 |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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diff
changeset
|
479 if (tmp == "content-length") |
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OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
480 { |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
481 hasContentLength = true; |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
482 } |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
483 |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
484 if (tmp == "mime-version") |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
485 { |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
486 hasMimeVersion = true; |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
487 } |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
488 } |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
489 |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
490 if (!hasContentType) |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
491 { |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
492 header += "Content-Type: " + multipartContentType_ + "\r\n"; |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
493 } |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
494 |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
495 if (!hasContentLength) |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
496 { |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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changeset
|
497 header += "Content-Length: " + boost::lexical_cast<std::string>(length) + "\r\n"; |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
498 } |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
499 |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
500 if (!hasMimeVersion) |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
501 { |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
502 header += "MIME-Version: 1.0\r\n\r\n"; |
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
503 } |
1430
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
504 |
ad94a3583b07
Plugins can send answers as multipart messages
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1288
diff
changeset
|
505 stream_.Send(false, header.c_str(), header.size()); |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
506 |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
507 if (length > 0) |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
508 { |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
509 stream_.Send(false, item, length); |
ad94a3583b07
Plugins can send answers as multipart messages
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parents:
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diff
changeset
|
510 } |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
511 |
1882
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
512 stream_.Send(false, "\r\n", 2); |
1430
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Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
513 } |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
514 |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
515 |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
516 void HttpOutput::StateMachine::CloseMultipart() |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
517 { |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
518 if (state_ != State_WritingMultipart) |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
519 { |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
520 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
521 } |
ad94a3583b07
Plugins can send answers as multipart messages
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parents:
1288
diff
changeset
|
522 |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
523 // 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:
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diff
changeset
|
524 // closed the connection. Such an error is ignored. |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
525 try |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
526 { |
1832
b7da58699f92
Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1645
diff
changeset
|
527 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
|
528 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
|
529 } |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
530 catch (OrthancException&) |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
531 { |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
532 } |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
533 |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
534 state_ = State_Done; |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
535 } |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
536 |
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
537 |
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
538 void HttpOutput::Answer(IHttpStreamAnswer& stream) |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
539 { |
1523
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
540 HttpCompression compression = stream.SetupHttpCompression(isGzipAllowed_, isDeflateAllowed_); |
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
541 |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
542 switch (compression) |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
543 { |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
544 case HttpCompression_None: |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
545 break; |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
546 |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
547 case HttpCompression_Gzip: |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
548 stateMachine_.AddHeader("Content-Encoding", "gzip"); |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
549 break; |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
550 |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
551 case HttpCompression_Deflate: |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
552 stateMachine_.AddHeader("Content-Encoding", "deflate"); |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
553 break; |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
554 |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
555 default: |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
556 throw OrthancException(ErrorCode_ParameterOutOfRange); |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
557 } |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
558 |
1523
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
559 stateMachine_.SetContentLength(stream.GetContentLength()); |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
560 |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
561 std::string contentType = stream.GetContentType(); |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
562 if (contentType.empty()) |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
563 { |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
564 contentType = "application/octet-stream"; |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
565 } |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
566 |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
567 stateMachine_.SetContentType(contentType.c_str()); |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
568 |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
569 std::string filename; |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
570 if (stream.HasContentFilename(filename)) |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
571 { |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
572 SetContentFilename(filename.c_str()); |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
573 } |
c388502a066d
testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1522
diff
changeset
|
574 |
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
575 while (stream.ReadNextChunk()) |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
576 { |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
577 stateMachine_.SendBody(stream.GetChunkContent(), |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
578 stream.GetChunkSize()); |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
579 } |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
580 |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
581 stateMachine_.CloseBody(); |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
582 } |
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1517
diff
changeset
|
583 |
0 | 584 } |