Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/HttpOutput.cpp @ 5811:a451777236fb attach-custom-data tip
advanced storage: fix + customizable path
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Tue, 24 Sep 2024 17:52:45 +0200 |
| parents | f7adfb22e20e |
| children |
| 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) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
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10 * modify it under the terms of the GNU Lesser General Public License |
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11 * as published by the Free Software Foundation, either version 3 of |
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12 * the License, or (at your option) any later version. |
| 136 | 13 * |
| 0 | 14 * This program is distributed in the hope that it will be useful, but |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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17 * Lesser General Public License for more details. |
| 0 | 18 * |
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19 * You should have received a copy of the GNU Lesser General Public |
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20 * License along with this program. If not, see |
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21 * <http://www.gnu.org/licenses/>. |
| 0 | 22 **/ |
| 23 | |
| 24 | |
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25 #include "../PrecompiledHeaders.h" |
| 0 | 26 #include "HttpOutput.h" |
| 27 | |
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28 #include "../ChunkedBuffer.h" |
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29 #include "../Compression/GzipCompressor.h" |
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30 #include "../Compression/ZlibCompressor.h" |
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31 #include "../Logging.h" |
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32 #include "../OrthancException.h" |
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33 #include "../Toolbox.h" |
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34 #include "../SystemToolbox.h" |
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35 |
| 324 | 36 #include <iostream> |
| 0 | 37 #include <vector> |
| 38 #include <stdio.h> | |
| 39 #include <boost/lexical_cast.hpp> | |
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40 |
| 0 | 41 |
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42 #if ORTHANC_ENABLE_CIVETWEB == 1 |
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43 # if !defined(CIVETWEB_HAS_DISABLE_KEEP_ALIVE) |
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44 # error Macro CIVETWEB_HAS_DISABLE_KEEP_ALIVE must be defined |
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45 # endif |
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46 #endif |
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47 |
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48 static const std::string X_CONTENT_TYPE_OPTIONS = "X-Content-Type-Options"; |
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49 |
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| 59 | 51 namespace Orthanc |
| 0 | 52 { |
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53 HttpOutput::StateMachine::StateMachine(IHttpOutputStream& stream, |
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54 bool isKeepAlive, |
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55 unsigned int keepAliveTimeout) : |
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56 stream_(stream), |
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57 state_(State_WritingHeader), |
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58 isContentCompressible_(false), |
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59 status_(HttpStatus_200_Ok), |
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60 hasContentLength_(false), |
| 4201 | 61 contentLength_(0), |
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62 contentPosition_(0), |
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63 keepAlive_(isKeepAlive), |
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64 keepAliveTimeout_(keepAliveTimeout), |
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65 hasXContentTypeOptions_(false) |
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66 { |
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67 } |
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68 |
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69 HttpOutput::StateMachine::~StateMachine() |
| 910 | 70 { |
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71 if (state_ != State_Done) |
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72 { |
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73 //asm volatile ("int3;"); |
| 1200 | 74 //LOG(ERROR) << "This HTTP answer does not contain any body"; |
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75 } |
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76 |
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77 if (hasContentLength_ && contentPosition_ != contentLength_) |
| 910 | 78 { |
| 5547 | 79 LOG(ERROR) << "This HTTP answer has not sent the proper number of bytes in its body. The remote client has likely closed the connection."; |
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80 } |
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81 } |
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82 |
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83 |
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84 void HttpOutput::StateMachine::SetHttpStatus(HttpStatus status) |
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85 { |
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86 if (state_ != State_WritingHeader) |
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87 { |
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88 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
| 910 | 89 } |
| 90 | |
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91 status_ = status; |
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92 } |
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93 |
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94 |
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95 void HttpOutput::StateMachine::SetContentLength(uint64_t length) |
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96 { |
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97 if (state_ != State_WritingHeader) |
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98 { |
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99 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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100 } |
| 910 | 101 |
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102 hasContentLength_ = true; |
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103 contentLength_ = length; |
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104 } |
| 910 | 105 |
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106 void HttpOutput::StateMachine::SetContentType(const char* contentType) |
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107 { |
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108 AddHeader("Content-Type", contentType); |
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109 } |
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110 |
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111 void HttpOutput::StateMachine::SetContentCompressible(bool isContentCompressible) |
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112 { |
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113 isContentCompressible_ = isContentCompressible; |
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114 } |
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115 |
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116 bool HttpOutput::StateMachine::IsContentCompressible() const |
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117 { |
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118 // We assume that all files that compress correctly (mainly JSON, XML) are clearly identified. |
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119 return isContentCompressible_; |
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120 } |
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121 |
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122 void HttpOutput::StateMachine::SetContentFilename(const char* filename) |
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123 { |
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124 // TODO Escape double quotes |
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125 AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\""); |
| 910 | 126 } |
| 127 | |
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128 void HttpOutput::StateMachine::SetCookie(const std::string& cookie, |
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129 const std::string& value) |
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130 { |
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131 if (state_ != State_WritingHeader) |
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132 { |
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133 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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134 } |
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135 |
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136 // TODO Escape "=" characters |
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137 AddHeader("Set-Cookie", cookie + "=" + value); |
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138 } |
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139 |
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140 |
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141 void HttpOutput::StateMachine::AddHeader(const std::string& header, |
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142 const std::string& value) |
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143 { |
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144 if (state_ != State_WritingHeader) |
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145 { |
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146 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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147 } |
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148 |
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149 if (header == X_CONTENT_TYPE_OPTIONS) |
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150 { |
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151 hasXContentTypeOptions_ = true; |
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152 } |
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153 |
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154 headers_.push_back(header + ": " + value + "\r\n"); |
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155 } |
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156 |
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157 void HttpOutput::StateMachine::ClearHeaders() |
| 910 | 158 { |
| 159 if (state_ != State_WritingHeader) | |
| 160 { | |
| 161 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 162 } | |
| 163 | |
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164 headers_.clear(); |
| 910 | 165 } |
| 166 | |
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167 void HttpOutput::StateMachine::SendBody(const void* buffer, size_t length) |
| 910 | 168 { |
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169 if (state_ == State_Done) |
| 910 | 170 { |
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171 if (length == 0) |
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172 { |
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173 return; |
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174 } |
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175 else |
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176 { |
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177 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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178 "Because of keep-alive connections, the entire body must " |
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179 "be sent at once or Content-Length must be given"); |
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180 } |
| 910 | 181 } |
| 182 | |
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183 if (state_ == State_WritingMultipart) |
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184 { |
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185 throw OrthancException(ErrorCode_InternalError); |
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186 } |
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187 |
| 910 | 188 if (state_ == State_WritingHeader) |
| 189 { | |
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190 // Send the HTTP header before writing the body |
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191 |
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192 stream_.OnHttpStatusReceived(status_); |
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193 |
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194 std::string s = "HTTP/1.1 " + |
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195 boost::lexical_cast<std::string>(status_) + |
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196 " " + std::string(EnumerationToString(status_)) + |
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197 "\r\n"; |
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198 |
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199 if (keepAlive_) |
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200 { |
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201 s += "Connection: keep-alive\r\n"; |
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202 |
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203 /** |
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204 * [LIFY-2311] The "Keep-Alive" HTTP header was missing in |
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205 * Orthanc <= 1.8.0, which notably caused failures if |
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206 * uploading DICOM instances by applying Java's |
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207 * "org.apache.http.client.methods.HttpPost()" on "/instances" |
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208 * URI, if "PoolingHttpClientConnectionManager" was in used. A |
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209 * workaround was to manually set a timeout for the keep-alive |
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210 * client to, say, 200 milliseconds, by using |
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211 * "HttpClients.custom().setKeepAliveStrategy((httpResponse,httpContext)->200)". |
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212 * Note that the "timeout" value can only be integer in the |
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213 * HTTP header, so we can't use the milliseconds granularity. |
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214 **/ |
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215 s += ("Keep-Alive: timeout=" + |
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216 boost::lexical_cast<std::string>(keepAliveTimeout_) + "\r\n"); |
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217 } |
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218 else |
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219 { |
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220 s += "Connection: close\r\n"; |
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221 } |
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222 |
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223 for (std::list<std::string>::const_iterator |
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224 it = headers_.begin(); it != headers_.end(); ++it) |
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225 { |
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226 s += *it; |
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227 } |
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228 |
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229 if (!hasXContentTypeOptions_) |
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230 { |
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231 // Always include this header to prevent MIME Confusion attacks: |
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232 // https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-content-type-options |
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233 s += X_CONTENT_TYPE_OPTIONS + ": nosniff\r\n"; |
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234 } |
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235 |
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236 if (status_ != HttpStatus_200_Ok) |
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237 { |
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238 hasContentLength_ = false; |
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239 } |
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240 |
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241 uint64_t contentLength = (hasContentLength_ ? contentLength_ : length); |
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242 s += "Content-Length: " + boost::lexical_cast<std::string>(contentLength) + "\r\n\r\n"; |
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243 |
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244 stream_.Send(true, s.c_str(), s.size()); |
| 910 | 245 state_ = State_WritingBody; |
| 246 } | |
| 247 | |
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248 if (hasContentLength_ && |
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249 contentPosition_ + length > contentLength_) |
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250 { |
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251 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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252 "The body size exceeds what was declared with SetContentSize()"); |
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253 } |
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254 |
| 910 | 255 if (length > 0) |
| 256 { | |
| 911 | 257 stream_.Send(false, buffer, length); |
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258 contentPosition_ += length; |
| 330 | 259 } |
| 260 | |
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261 if (!hasContentLength_ || |
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262 contentPosition_ == contentLength_) |
| 330 | 263 { |
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264 state_ = State_Done; |
| 330 | 265 } |
| 266 } | |
| 267 | |
| 207 | 268 |
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269 void HttpOutput::StateMachine::CloseBody() |
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270 { |
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271 switch (state_) |
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272 { |
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273 case State_WritingHeader: |
| 1522 | 274 SetContentLength(0); |
| 275 SendBody(NULL, 0); | |
| 276 break; | |
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277 |
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278 case State_WritingBody: |
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279 if (!hasContentLength_ || |
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280 contentPosition_ == contentLength_) |
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281 { |
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282 state_ = State_Done; |
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283 } |
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284 else |
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285 { |
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286 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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287 "The body size has not reached what was declared with SetContentSize()"); |
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288 } |
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289 |
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290 break; |
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291 |
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292 case State_WritingMultipart: |
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293 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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294 "Cannot invoke CloseBody() with multipart outputs"); |
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295 |
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296 case State_Done: |
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297 return; // Ignore |
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298 |
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299 default: |
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300 throw OrthancException(ErrorCode_InternalError); |
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301 } |
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302 } |
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303 |
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304 |
| 1517 | 305 HttpCompression HttpOutput::GetPreferredCompression(size_t bodySize) const |
| 306 { | |
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307 // Do not compress small files since there is no real size benefit. |
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308 if (bodySize < 2048) |
| 1517 | 309 { |
| 310 return HttpCompression_None; | |
| 311 } | |
| 312 | |
| 313 // Prefer "gzip" over "deflate" if the choice is offered | |
| 314 | |
| 315 if (isGzipAllowed_) | |
| 316 { | |
| 317 return HttpCompression_Gzip; | |
| 318 } | |
| 319 else if (isDeflateAllowed_) | |
| 320 { | |
| 321 return HttpCompression_Deflate; | |
| 322 } | |
| 323 else | |
| 324 { | |
| 325 return HttpCompression_None; | |
| 326 } | |
| 327 } | |
| 328 | |
| 329 | |
| 4298 | 330 HttpOutput::HttpOutput(IHttpOutputStream &stream, |
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331 bool isKeepAlive, |
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332 unsigned int keepAliveTimeout) : |
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333 stateMachine_(stream, isKeepAlive, keepAliveTimeout), |
| 4298 | 334 isDeflateAllowed_(false), |
| 335 isGzipAllowed_(false) | |
| 336 { | |
| 337 } | |
| 338 | |
| 339 void HttpOutput::SetDeflateAllowed(bool allowed) | |
| 340 { | |
| 341 isDeflateAllowed_ = allowed; | |
| 342 } | |
| 343 | |
| 344 bool HttpOutput::IsDeflateAllowed() const | |
| 345 { | |
| 346 return isDeflateAllowed_; | |
| 347 } | |
| 348 | |
| 349 void HttpOutput::SetGzipAllowed(bool allowed) | |
| 350 { | |
| 351 isGzipAllowed_ = allowed; | |
| 352 } | |
| 353 | |
| 354 bool HttpOutput::IsGzipAllowed() const | |
| 355 { | |
| 356 return isGzipAllowed_; | |
| 357 } | |
| 358 | |
| 359 | |
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360 void HttpOutput::SendMethodNotAllowed(const std::string& allowed) |
| 0 | 361 { |
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362 stateMachine_.ClearHeaders(); |
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363 stateMachine_.SetHttpStatus(HttpStatus_405_MethodNotAllowed); |
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364 stateMachine_.AddHeader("Allow", allowed); |
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365 stateMachine_.SendBody(NULL, 0); |
| 0 | 366 } |
| 367 | |
| 368 | |
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369 void HttpOutput::SendStatus(HttpStatus status, |
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370 const char* message, |
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371 size_t messageSize) |
| 0 | 372 { |
| 1954 | 373 if (status == HttpStatus_301_MovedPermanently || |
| 3425 | 374 //status == HttpStatus_401_Unauthorized || |
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375 status == HttpStatus_405_MethodNotAllowed) |
| 0 | 376 { |
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377 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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378 "Please use the dedicated methods to this HTTP status code in HttpOutput"); |
| 0 | 379 } |
| 380 | |
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381 stateMachine_.SetHttpStatus(status); |
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382 |
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383 if (messageSize > 0) |
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384 { |
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385 // Assume that the body always contains a textual description of the error |
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386 stateMachine_.SetContentType("text/plain"); |
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387 } |
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388 |
|
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389 stateMachine_.SendBody(message, messageSize); |
| 339 | 390 } |
| 391 | |
| 4298 | 392 void HttpOutput::SendStatus(HttpStatus status) |
| 393 { | |
| 394 SendStatus(status, NULL, 0); | |
| 395 } | |
| 396 | |
| 397 void HttpOutput::SendStatus(HttpStatus status, const std::string &message) | |
| 398 { | |
| 399 SendStatus(status, message.c_str(), message.size()); | |
| 400 } | |
| 401 | |
| 402 void HttpOutput::SetContentType(MimeType contentType) | |
| 403 { | |
| 404 stateMachine_.SetContentType(EnumerationToString(contentType)); | |
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405 stateMachine_.SetContentCompressible(SystemToolbox::IsContentCompressible(contentType)); |
| 4298 | 406 } |
| 407 | |
| 408 void HttpOutput::SetContentType(const std::string &contentType) | |
| 409 { | |
| 410 stateMachine_.SetContentType(contentType.c_str()); | |
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411 stateMachine_.SetContentCompressible(SystemToolbox::IsContentCompressible(contentType)); |
| 4298 | 412 } |
| 413 | |
| 414 void HttpOutput::SetContentFilename(const char *filename) | |
| 415 { | |
| 416 stateMachine_.SetContentFilename(filename); | |
| 417 } | |
| 418 | |
| 419 void HttpOutput::SetCookie(const std::string &cookie, const std::string &value) | |
| 420 { | |
| 421 stateMachine_.SetCookie(cookie, value); | |
| 422 } | |
| 423 | |
| 424 void HttpOutput::AddHeader(const std::string &key, const std::string &value) | |
| 425 { | |
| 426 stateMachine_.AddHeader(key, value); | |
| 427 } | |
| 428 | |
| 339 | 429 |
| 0 | 430 void HttpOutput::Redirect(const std::string& path) |
| 431 { | |
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432 /** |
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433 * "HttpStatus_301_MovedPermanently" was used in Orthanc <= |
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434 * 1.12.3. This caused issues on changes in the configuration of |
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435 * Orthanc. |
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436 **/ |
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437 stateMachine_.ClearHeaders(); |
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438 stateMachine_.SetHttpStatus(HttpStatus_307_TemporaryRedirect); |
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439 stateMachine_.AddHeader("Location", path); |
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440 stateMachine_.SendBody(NULL, 0); |
| 0 | 441 } |
|
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442 |
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443 |
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444 void HttpOutput::SendUnauthorized(const std::string& realm) |
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445 { |
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446 stateMachine_.ClearHeaders(); |
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447 stateMachine_.SetHttpStatus(HttpStatus_401_Unauthorized); |
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448 stateMachine_.AddHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\""); |
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449 stateMachine_.SendBody(NULL, 0); |
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450 } |
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451 |
| 4298 | 452 void HttpOutput::StartMultipart(const std::string &subType, const std::string &contentType) |
| 453 { | |
| 454 stateMachine_.StartMultipart(subType, contentType); | |
| 455 } | |
| 456 | |
| 457 void HttpOutput::SendMultipartItem(const void *item, | |
| 458 size_t size, | |
| 459 const std::map<std::string, std::string> &headers) | |
| 460 { | |
| 461 stateMachine_.SendMultipartItem(item, size, headers); | |
| 462 } | |
| 463 | |
| 464 void HttpOutput::CloseMultipart() | |
| 465 { | |
| 466 stateMachine_.CloseMultipart(); | |
| 467 } | |
| 468 | |
| 469 bool HttpOutput::IsWritingMultipart() const | |
| 470 { | |
| 471 return stateMachine_.GetState() == StateMachine::State_WritingMultipart; | |
| 472 } | |
| 473 | |
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474 |
| 4298 | 475 void HttpOutput::Answer(const void* buffer, |
| 1521 | 476 size_t length) |
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477 { |
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478 if (length == 0) |
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479 { |
| 1521 | 480 AnswerEmpty(); |
| 481 return; | |
| 482 } | |
| 483 | |
| 484 HttpCompression compression = GetPreferredCompression(length); | |
| 485 | |
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486 if (compression == HttpCompression_None || !IsContentCompressible()) |
| 1521 | 487 { |
| 488 stateMachine_.SetContentLength(length); | |
| 489 stateMachine_.SendBody(buffer, length); | |
| 490 return; | |
| 491 } | |
| 492 | |
| 493 std::string compressed, encoding; | |
| 494 | |
| 495 switch (compression) | |
| 496 { | |
| 497 case HttpCompression_Deflate: | |
| 498 { | |
| 499 encoding = "deflate"; | |
| 500 ZlibCompressor compressor; | |
| 501 // Do not prefix the buffer with its uncompressed size, to be compatible with "deflate" | |
| 502 compressor.SetPrefixWithUncompressedSize(false); | |
| 503 compressor.Compress(compressed, buffer, length); | |
| 504 break; | |
| 505 } | |
| 506 | |
| 507 case HttpCompression_Gzip: | |
| 508 { | |
| 509 encoding = "gzip"; | |
| 510 GzipCompressor compressor; | |
| 511 compressor.Compress(compressed, buffer, length); | |
| 512 break; | |
| 513 } | |
| 514 | |
| 515 default: | |
| 516 throw OrthancException(ErrorCode_InternalError); | |
| 517 } | |
| 518 | |
| 519 LOG(TRACE) << "Compressing a HTTP answer using " << encoding; | |
| 520 | |
| 521 // The body is empty, do not use HTTP compression | |
| 522 if (compressed.size() == 0) | |
| 523 { | |
| 524 AnswerEmpty(); | |
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525 } |
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526 else |
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527 { |
| 1521 | 528 stateMachine_.AddHeader("Content-Encoding", encoding); |
| 529 stateMachine_.SetContentLength(compressed.size()); | |
| 530 stateMachine_.SendBody(compressed.c_str(), compressed.size()); | |
| 531 } | |
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532 |
| 1521 | 533 stateMachine_.CloseBody(); |
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534 } |
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535 |
| 1521 | 536 |
| 537 void HttpOutput::Answer(const std::string& str) | |
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538 { |
| 1521 | 539 Answer(str.size() == 0 ? NULL : str.c_str(), str.size()); |
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540 } |
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541 |
| 1521 | 542 |
| 543 void HttpOutput::AnswerEmpty() | |
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544 { |
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545 stateMachine_.CloseBody(); |
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546 } |
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547 |
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548 |
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549 void HttpOutput::StateMachine::CheckHeadersCompatibilityWithMultipart() const |
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550 { |
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551 for (std::list<std::string>::const_iterator |
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552 it = headers_.begin(); it != headers_.end(); ++it) |
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553 { |
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554 if (!Toolbox::StartsWith(*it, "Set-Cookie: ")) |
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555 { |
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556 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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557 "The only headers that can be set in multipart answers " |
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558 "are Set-Cookie (here: " + *it + " is set)"); |
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559 } |
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560 } |
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561 } |
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562 |
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563 |
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564 static void PrepareMultipartMainHeader(std::string& boundary, |
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565 std::string& contentTypeHeader, |
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566 const std::string& subType, |
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567 const std::string& contentType) |
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568 { |
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569 if (subType != "mixed" && |
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570 subType != "related") |
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571 { |
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572 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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573 } |
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574 |
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575 /** |
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576 * Fix for issue 54 ("Decide what to do wrt. quoting of multipart |
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577 * answers"). The "type" parameter in the "Content-Type" HTTP |
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578 * header must be quoted if it contains a forward slash "/". This |
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579 * is necessary for DICOMweb compatibility with OsiriX, but breaks |
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580 * compatibility with old releases of the client in the Orthanc |
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581 * DICOMweb plugin <= 0.3 (releases >= 0.4 work fine). |
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582 * |
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583 * Full history is available at the following locations: |
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584 * - In changeset 2248:69b0f4e8a49b: |
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585 * # hg history -v -r 2248 |
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586 * - https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=54 |
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587 * - https://groups.google.com/d/msg/orthanc-users/65zhIM5xbKI/TU5Q1_LhAwAJ |
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588 **/ |
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589 std::string tmp; |
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590 if (contentType.find('/') == std::string::npos) |
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591 { |
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592 // No forward slash in the content type |
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593 tmp = contentType; |
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594 } |
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595 else |
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596 { |
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597 // Quote the content type because of the forward slash |
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598 tmp = "\"" + contentType + "\""; |
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599 } |
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600 |
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601 boundary = Toolbox::GenerateUuid() + "-" + Toolbox::GenerateUuid(); |
| 3616 | 602 |
| 603 /** | |
| 604 * Fix for issue #165: "Encapsulation boundaries must not appear | |
| 605 * within the encapsulations, and must be no longer than 70 | |
| 606 * characters, not counting the two leading hyphens." | |
| 607 * https://tools.ietf.org/html/rfc1521 | |
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608 * https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=165 |
| 3616 | 609 **/ |
| 610 if (boundary.size() != 36 + 1 + 36) // one UUID contains 36 characters | |
| 611 { | |
| 612 throw OrthancException(ErrorCode_InternalError); | |
| 613 } | |
| 614 | |
| 615 boundary = boundary.substr(0, 70); | |
| 616 | |
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617 contentTypeHeader = ("multipart/" + subType + "; type=" + tmp + "; boundary=" + boundary); |
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618 } |
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619 |
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620 |
|
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621 void HttpOutput::StateMachine::StartStreamInternal(const std::string& contentType) |
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622 { |
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623 if (state_ != State_WritingHeader) |
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|
624 { |
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625 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
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|
626 } |
|
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|
627 |
|
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Plugins can send answers as multipart messages
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628 if (status_ != HttpStatus_200_Ok) |
|
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|
629 { |
|
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Plugins can send answers as multipart messages
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|
630 SendBody(NULL, 0); |
|
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|
631 return; |
|
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Plugins can send answers as multipart messages
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632 } |
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|
633 |
|
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634 stream_.OnHttpStatusReceived(status_); |
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|
635 |
|
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Plugins can send answers as multipart messages
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|
636 std::string header = "HTTP/1.1 200 OK\r\n"; |
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|
637 |
|
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|
638 if (keepAlive_) |
|
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639 { |
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Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
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640 #if ORTHANC_ENABLE_MONGOOSE == 1 |
|
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641 throw OrthancException(ErrorCode_NotImplemented, |
|
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Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
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642 "Multipart answers are not implemented together " |
|
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643 "with keep-alive connections if using Mongoose"); |
|
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644 |
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645 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
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646 # if CIVETWEB_HAS_DISABLE_KEEP_ALIVE == 1 |
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647 // Turn off Keep-Alive for multipart answers |
|
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648 // https://github.com/civetweb/civetweb/issues/727 |
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649 stream_.DisableKeepAlive(); |
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650 header += "Connection: close\r\n"; |
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651 # else |
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652 // The function "mg_disable_keep_alive()" is not available, |
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653 // let's continue with Keep-Alive. Performance of WADO-RS will |
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654 // decrease. |
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655 header += "Connection: keep-alive\r\n"; |
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656 # endif |
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657 |
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658 #else |
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|
659 # error Please support your embedded Web server here |
|
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660 #endif |
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661 } |
|
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662 else |
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663 { |
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664 header += "Connection: close\r\n"; |
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665 } |
|
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|
666 |
|
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667 for (std::list<std::string>::const_iterator |
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668 it = headers_.begin(); it != headers_.end(); ++it) |
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669 { |
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670 header += *it; |
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671 } |
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672 |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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673 header += ("Content-Type: " + contentType + "\r\n\r\n"); |
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|
674 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
675 stream_.Send(true, header.c_str(), header.size()); |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
676 } |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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changeset
|
677 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
678 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
679 void HttpOutput::StateMachine::StartMultipart(const std::string& subType, |
|
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|
680 const std::string& contentType) |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
681 { |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
682 CheckHeadersCompatibilityWithMultipart(); |
|
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|
683 |
|
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|
684 std::string contentTypeHeader; |
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685 PrepareMultipartMainHeader(multipartBoundary_, contentTypeHeader, subType, contentType); |
|
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686 multipartContentType_ = contentType; |
|
4672
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
687 |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
688 StartStreamInternal(contentTypeHeader); |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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changeset
|
689 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
690 state_ = State_WritingMultipart; |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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691 } |
|
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|
692 |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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changeset
|
693 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
694 void HttpOutput::StateMachine::StartStream(const std::string& contentType) |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
695 { |
|
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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|
696 StartStreamInternal(contentType); |
|
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|
697 state_ = State_WritingStream; |
|
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698 } |
|
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|
699 |
|
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changeset
|
700 |
|
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|
701 static void PrepareMultipartItemHeader(std::string& target, |
|
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|
702 size_t length, |
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|
703 const std::map<std::string, std::string>& headers, |
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|
704 const std::string& boundary, |
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|
705 const std::string& contentType) |
|
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|
706 { |
|
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|
707 target = "--" + boundary + "\r\n"; |
|
1882
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changeset
|
708 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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|
709 bool hasContentType = false; |
|
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|
710 bool hasContentLength = false; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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|
711 bool hasMimeVersion = false; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
712 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
713 for (std::map<std::string, std::string>::const_iterator |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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|
714 it = headers.begin(); it != headers.end(); ++it) |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
715 { |
|
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|
716 target += it->first + ": " + it->second + "\r\n"; |
|
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changeset
|
717 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
718 std::string tmp; |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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|
719 Toolbox::ToLowerCase(tmp, it->first); |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
720 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
721 if (tmp == "content-type") |
|
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OrthancPluginSendMultipartItem2 for DICOMweb
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changeset
|
722 { |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
723 hasContentType = true; |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
724 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
725 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
726 if (tmp == "content-length") |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
727 { |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
728 hasContentLength = true; |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
729 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
730 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
731 if (tmp == "mime-version") |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
732 { |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
733 hasMimeVersion = true; |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
734 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
735 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
736 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
737 if (!hasContentType) |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
738 { |
|
3528
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
739 target += "Content-Type: " + contentType + "\r\n"; |
|
1882
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
740 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
741 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
742 if (!hasContentLength) |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
743 { |
|
3528
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
744 target += "Content-Length: " + boost::lexical_cast<std::string>(length) + "\r\n"; |
|
1882
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
745 } |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
746 |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
747 if (!hasMimeVersion) |
|
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
748 { |
|
3528
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
749 target += "MIME-Version: 1.0\r\n\r\n"; |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
750 } |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
751 } |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
752 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
753 |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
754 void HttpOutput::StateMachine::SendMultipartItem(const void* item, |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
755 size_t length, |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
756 const std::map<std::string, std::string>& headers) |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
757 { |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
758 if (state_ != State_WritingMultipart) |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
759 { |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
760 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
1882
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
761 } |
|
1430
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
762 |
|
3528
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
763 std::string header; |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3425
diff
changeset
|
764 PrepareMultipartItemHeader(header, length, headers, multipartBoundary_, multipartContentType_); |
|
1430
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
765 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
|
766 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
767 if (length > 0) |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
768 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
769 stream_.Send(false, item, length); |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
770 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
771 |
|
1882
5cf2bd0abfa2
OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1875
diff
changeset
|
772 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
|
773 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
774 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
775 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
776 void HttpOutput::StateMachine::CloseMultipart() |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
777 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
778 if (state_ != State_WritingMultipart) |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
779 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
780 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
781 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
782 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
783 // 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
|
784 // 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
|
785 try |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
786 { |
|
1832
b7da58699f92
Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1645
diff
changeset
|
787 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
|
788 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
|
789 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
790 catch (OrthancException&) |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
791 { |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
792 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
793 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
794 state_ = State_Done; |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
795 } |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
796 |
|
ad94a3583b07
Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
797 |
|
4672
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
798 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
|
799 size_t size) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
800 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
801 if (state_ != State_WritingStream) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
802 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
803 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
804 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
805 else |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
806 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
807 if (size > 0) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
808 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
809 stream_.Send(false, data, size); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
810 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
811 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
812 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
813 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
814 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
815 void HttpOutput::StateMachine::CloseStream() |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
816 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
817 if (state_ != State_WritingStream) |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
818 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
819 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
820 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
821 else |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
822 { |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
823 state_ = State_Done; |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
824 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
825 } |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4476
diff
changeset
|
826 |
|
d9942d48fea7
ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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4476
diff
changeset
|
827 |
|
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|
828 static void AnswerStreamAsBuffer(HttpOutput& output, |
|
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|
829 IHttpStreamAnswer& stream) |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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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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changeset
|
831 ChunkedBuffer buffer; |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
832 |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
833 while (stream.ReadNextChunk()) |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
834 { |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
835 if (stream.GetChunkSize() > 0) |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
836 { |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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|
837 buffer.AddChunk(stream.GetChunkContent(), stream.GetChunkSize()); |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
838 } |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
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|
839 } |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
840 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
841 std::string s; |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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|
842 buffer.Flatten(s); |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
843 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
844 output.SetContentType(stream.GetContentType()); |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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|
845 |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
846 std::string filename; |
|
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changeset
|
847 if (stream.HasContentFilename(filename)) |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
848 { |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
849 output.SetContentFilename(filename.c_str()); |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
850 } |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
851 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
852 output.Answer(s); |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
853 } |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
854 |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
855 |
|
1519
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refactoring: IHttpStreamAnswer
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diff
changeset
|
856 void HttpOutput::Answer(IHttpStreamAnswer& stream) |
|
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refactoring: IHttpStreamAnswer
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diff
changeset
|
857 { |
|
1523
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testing FilesystemHttpSender
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diff
changeset
|
858 HttpCompression compression = stream.SetupHttpCompression(isGzipAllowed_, isDeflateAllowed_); |
|
1519
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refactoring: IHttpStreamAnswer
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diff
changeset
|
859 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
860 switch (compression) |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
861 { |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
862 case HttpCompression_None: |
|
3380
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changeset
|
863 { |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
864 if (isGzipAllowed_ || isDeflateAllowed_) |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
865 { |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
866 // New in Orthanc 1.5.7: Compress streams without built-in |
|
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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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changeset
|
867 // compression, if requested by the "Accept-Encoding" HTTP |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
868 // header |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
869 AnswerStreamAsBuffer(*this, stream); |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
870 return; |
|
0528a6c36f3d
HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
871 } |
|
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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diff
changeset
|
872 |
|
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
873 break; |
|
3380
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HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
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changeset
|
874 } |
|
1519
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refactoring: IHttpStreamAnswer
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diff
changeset
|
875 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
876 case HttpCompression_Gzip: |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
877 stateMachine_.AddHeader("Content-Encoding", "gzip"); |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
878 break; |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
879 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
880 case HttpCompression_Deflate: |
|
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refactoring: IHttpStreamAnswer
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changeset
|
881 stateMachine_.AddHeader("Content-Encoding", "deflate"); |
|
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refactoring: IHttpStreamAnswer
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diff
changeset
|
882 break; |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
883 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
884 default: |
|
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refactoring: IHttpStreamAnswer
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changeset
|
885 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
886 } |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
887 |
|
1523
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diff
changeset
|
888 stateMachine_.SetContentLength(stream.GetContentLength()); |
|
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diff
changeset
|
889 |
|
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testing FilesystemHttpSender
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changeset
|
890 std::string contentType = stream.GetContentType(); |
|
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testing FilesystemHttpSender
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diff
changeset
|
891 if (contentType.empty()) |
|
c388502a066d
testing FilesystemHttpSender
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diff
changeset
|
892 { |
|
2905
ae20fccdd867
refactoring mime types
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2805
diff
changeset
|
893 contentType = MIME_BINARY; |
|
1523
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diff
changeset
|
894 } |
|
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testing FilesystemHttpSender
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diff
changeset
|
895 |
|
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testing FilesystemHttpSender
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diff
changeset
|
896 stateMachine_.SetContentType(contentType.c_str()); |
|
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testing FilesystemHttpSender
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diff
changeset
|
897 |
|
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testing FilesystemHttpSender
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changeset
|
898 std::string filename; |
|
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testing FilesystemHttpSender
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diff
changeset
|
899 if (stream.HasContentFilename(filename)) |
|
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testing FilesystemHttpSender
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diff
changeset
|
900 { |
|
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changeset
|
901 SetContentFilename(filename.c_str()); |
|
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testing FilesystemHttpSender
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diff
changeset
|
902 } |
|
c388502a066d
testing FilesystemHttpSender
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diff
changeset
|
903 |
|
1519
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
904 while (stream.ReadNextChunk()) |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
905 { |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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changeset
|
906 stateMachine_.SendBody(stream.GetChunkContent(), |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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changeset
|
907 stream.GetChunkSize()); |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
908 } |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
909 |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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diff
changeset
|
910 stateMachine_.CloseBody(); |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
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changeset
|
911 } |
|
8bd0d897763f
refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
912 |
|
3528
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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3425
diff
changeset
|
913 |
|
f6fe095f7130
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diff
changeset
|
914 void HttpOutput::AnswerMultipartWithoutChunkedTransfer( |
|
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changeset
|
915 const std::string& subType, |
|
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changeset
|
916 const std::string& contentType, |
|
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diff
changeset
|
917 const std::vector<const void*>& parts, |
|
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changeset
|
918 const std::vector<size_t>& sizes, |
|
f6fe095f7130
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changeset
|
919 const std::vector<const std::map<std::string, std::string>*>& headers) |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
920 { |
|
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don't open a multipart stream if plugin only sends one part
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diff
changeset
|
921 if (parts.size() != sizes.size()) |
|
f6fe095f7130
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changeset
|
922 { |
|
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don't open a multipart stream if plugin only sends one part
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changeset
|
923 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
f6fe095f7130
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diff
changeset
|
924 } |
|
f6fe095f7130
don't open a multipart stream if plugin only sends one part
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diff
changeset
|
925 |
|
f6fe095f7130
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diff
changeset
|
926 stateMachine_.CheckHeadersCompatibilityWithMultipart(); |
|
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diff
changeset
|
927 |
|
f6fe095f7130
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diff
changeset
|
928 std::string boundary, contentTypeHeader; |
|
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changeset
|
929 PrepareMultipartMainHeader(boundary, contentTypeHeader, subType, contentType); |
|
f6fe095f7130
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changeset
|
930 SetContentType(contentTypeHeader); |
|
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changeset
|
931 |
|
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932 std::map<std::string, std::string> empty; |
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933 |
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934 ChunkedBuffer chunked; |
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935 for (size_t i = 0; i < parts.size(); i++) |
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Sebastien Jodogne <s.jodogne@gmail.com>
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936 { |
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937 std::string partHeader; |
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Sebastien Jodogne <s.jodogne@gmail.com>
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938 PrepareMultipartItemHeader(partHeader, sizes[i], headers[i] == NULL ? empty : *headers[i], |
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939 boundary, contentType); |
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940 |
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Sebastien Jodogne <s.jodogne@gmail.com>
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941 chunked.AddChunk(partHeader); |
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942 chunked.AddChunk(parts[i], sizes[i]); |
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943 chunked.AddChunk("\r\n"); |
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944 } |
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945 |
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946 chunked.AddChunk("--" + boundary + "--\r\n"); |
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947 |
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948 std::string body; |
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949 chunked.Flatten(body); |
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950 Answer(body); |
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951 } |
|
4672
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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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952 |
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953 |
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954 void HttpOutput::AnswerWithoutBuffering(IHttpStreamAnswer& stream) |
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955 { |
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956 std::string contentType = stream.GetContentType(); |
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957 if (contentType.empty()) |
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958 { |
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959 contentType = MIME_BINARY; |
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960 } |
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961 |
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962 std::string filename; |
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963 if (stream.HasContentFilename(filename)) |
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964 { |
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965 stateMachine_.AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\""); |
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966 } |
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967 |
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968 stateMachine_.StartStream(contentType.c_str()); |
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969 |
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970 while (stream.ReadNextChunk()) |
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971 { |
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972 stateMachine_.SendStreamItem(stream.GetChunkContent(), stream.GetChunkSize()); |
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973 } |
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974 |
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975 stateMachine_.CloseStream(); |
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976 } |
| 0 | 977 } |