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annotate Core/HttpServer/HttpOutput.cpp @ 2471:51ea632f0c55

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removed 'in Lua script' in error messages that is misleading since these commands can also be called from the API
author amazy
date Wed, 17 Jan 2018 21:33:56 +0100
parents 878b59270859
children 4dcafa8d6633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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33
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34 #include "../PrecompiledHeaders.h"
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35 #include "HttpOutput.h"
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36
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37 #include "../Logging.h"
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38 #include "../OrthancException.h"
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39 #include "../SystemToolbox.h"
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40 #include "../Toolbox.h"
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41 #include "../Compression/GzipCompressor.h"
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42 #include "../Compression/ZlibCompressor.h"
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43
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44 #include <iostream>
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45 #include <vector>
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46 #include <stdio.h>
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47 #include <boost/lexical_cast.hpp>
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49
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50 namespace Orthanc
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51 {
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52 HttpOutput::StateMachine::StateMachine(IHttpOutputStream& stream,
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53 bool isKeepAlive) :
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54 stream_(stream),
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55 state_(State_WritingHeader),
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56 status_(HttpStatus_200_Ok),
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57 hasContentLength_(false),
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58 contentPosition_(0),
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59 keepAlive_(isKeepAlive)
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60 {
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61 }
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62
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63 HttpOutput::StateMachine::~StateMachine()
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64 {
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65 if (state_ != State_Done)
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66 {
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67 //asm volatile ("int3;");
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68 //LOG(ERROR) << "This HTTP answer does not contain any body";
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69 }
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71 if (hasContentLength_ && contentPosition_ != contentLength_)
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72 {
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73 LOG(ERROR) << "This HTTP answer has not sent the proper number of bytes in its body";
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74 }
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75 }
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78 void HttpOutput::StateMachine::SetHttpStatus(HttpStatus status)
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79 {
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80 if (state_ != State_WritingHeader)
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81 {
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82 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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83 }
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84
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85 status_ = status;
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86 }
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89 void HttpOutput::StateMachine::SetContentLength(uint64_t length)
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90 {
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91 if (state_ != State_WritingHeader)
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92 {
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93 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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94 }
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95
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96 hasContentLength_ = true;
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97 contentLength_ = length;
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98 }
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99
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100 void HttpOutput::StateMachine::SetContentType(const char* contentType)
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101 {
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102 AddHeader("Content-Type", contentType);
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103 }
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104
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105 void HttpOutput::StateMachine::SetContentFilename(const char* filename)
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106 {
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107 // TODO Escape double quotes
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108 AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\"");
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109 }
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110
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111 void HttpOutput::StateMachine::SetCookie(const std::string& cookie,
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112 const std::string& value)
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113 {
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114 if (state_ != State_WritingHeader)
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115 {
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116 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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117 }
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118
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119 // TODO Escape "=" characters
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120 AddHeader("Set-Cookie", cookie + "=" + value);
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121 }
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124 void HttpOutput::StateMachine::AddHeader(const std::string& header,
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125 const std::string& value)
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126 {
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127 if (state_ != State_WritingHeader)
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128 {
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129 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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130 }
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131
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132 headers_.push_back(header + ": " + value + "\r\n");
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133 }
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134
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135 void HttpOutput::StateMachine::ClearHeaders()
910
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136 {
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137 if (state_ != State_WritingHeader)
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138 {
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139 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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140 }
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141
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142 headers_.clear();
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143 }
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144
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145 void HttpOutput::StateMachine::SendBody(const void* buffer, size_t length)
910
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146 {
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147 if (state_ == State_Done)
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148 {
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149 if (length == 0)
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150 {
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151 return;
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152 }
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153 else
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154 {
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155 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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156 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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157 }
910
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158 }
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159
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160 if (state_ == State_WritingMultipart)
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161 {
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162 throw OrthancException(ErrorCode_InternalError);
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163 }
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164
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165 if (state_ == State_WritingHeader)
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166 {
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167 // Send the HTTP header before writing the body
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168
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169 stream_.OnHttpStatusReceived(status_);
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170
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171 std::string s = "HTTP/1.1 " +
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172 boost::lexical_cast<std::string>(status_) +
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173 " " + std::string(EnumerationToString(status_)) +
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174 "\r\n";
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175
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176 if (keepAlive_)
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177 {
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178 s += "Connection: keep-alive\r\n";
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179 }
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180
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181 for (std::list<std::string>::const_iterator
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182 it = headers_.begin(); it != headers_.end(); ++it)
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183 {
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184 s += *it;
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185 }
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186
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187 if (status_ != HttpStatus_200_Ok)
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188 {
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189 hasContentLength_ = false;
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190 }
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191
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192 uint64_t contentLength = (hasContentLength_ ? contentLength_ : length);
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193 s += "Content-Length: " + boost::lexical_cast<std::string>(contentLength) + "\r\n\r\n";
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194
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195 stream_.Send(true, s.c_str(), s.size());
910
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196 state_ = State_WritingBody;
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197 }
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198
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199 if (hasContentLength_ &&
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200 contentPosition_ + length > contentLength_)
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diff changeset
201 {
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202 LOG(ERROR) << "The body size exceeds what was declared with SetContentSize()";
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203 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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204 }
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diff changeset
205
910
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206 if (length > 0)
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207 {
911
306afd58a0b3 fix build
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diff changeset
208 stream_.Send(false, buffer, length);
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diff changeset
209 contentPosition_ += length;
330
78a8eaa5f30b cookies
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diff changeset
210 }
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diff changeset
211
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diff changeset
212 if (!hasContentLength_ ||
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diff changeset
213 contentPosition_ == contentLength_)
330
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diff changeset
214 {
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diff changeset
215 state_ = State_Done;
330
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216 }
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217 }
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diff changeset
218
207
7f74209ea0f8 RestApi
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parents: 155
diff changeset
219
1519
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220 void HttpOutput::StateMachine::CloseBody()
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221 {
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222 switch (state_)
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223 {
8bd0d897763f refactoring: IHttpStreamAnswer
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224 case State_WritingHeader:
1522
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diff changeset
225 SetContentLength(0);
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226 SendBody(NULL, 0);
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227 break;
1519
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228
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229 case State_WritingBody:
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230 if (!hasContentLength_ ||
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231 contentPosition_ == contentLength_)
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diff changeset
232 {
8bd0d897763f refactoring: IHttpStreamAnswer
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233 state_ = State_Done;
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diff changeset
234 }
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
235 else
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236 {
8bd0d897763f refactoring: IHttpStreamAnswer
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237 LOG(ERROR) << "The body size has not reached what was declared with SetContentSize()";
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238 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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239 }
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diff changeset
240
8bd0d897763f refactoring: IHttpStreamAnswer
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241 break;
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242
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243 case State_WritingMultipart:
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244 LOG(ERROR) << "Cannot invoke CloseBody() with multipart outputs";
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245 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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diff changeset
246
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diff changeset
247 case State_Done:
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248 return; // Ignore
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249
8bd0d897763f refactoring: IHttpStreamAnswer
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250 default:
8bd0d897763f refactoring: IHttpStreamAnswer
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251 throw OrthancException(ErrorCode_InternalError);
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252 }
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253 }
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254
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255
1517
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diff changeset
256 HttpCompression HttpOutput::GetPreferredCompression(size_t bodySize) const
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257 {
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diff changeset
258 #if 0
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diff changeset
259 // TODO Do not compress small files?
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diff changeset
260 if (bodySize < 512)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
261 {
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
262 return HttpCompression_None;
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
263 }
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
264 #endif
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
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265
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
266 // Prefer "gzip" over "deflate" if the choice is offered
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
267
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
268 if (isGzipAllowed_)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
269 {
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
270 return HttpCompression_Gzip;
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
271 }
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
272 else if (isDeflateAllowed_)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
273 {
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
274 return HttpCompression_Deflate;
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
275 }
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
276 else
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
277 {
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
278 return HttpCompression_None;
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
279 }
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
280 }
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
281
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1514
diff changeset
282
1042
8d1845feb277 set cookies, not allowed methods, unauthorized in plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 911
diff changeset
283 void HttpOutput::SendMethodNotAllowed(const std::string& allowed)
0
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parents:
diff changeset
284 {
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parents: 1042
diff changeset
285 stateMachine_.ClearHeaders();
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diff changeset
286 stateMachine_.SetHttpStatus(HttpStatus_405_MethodNotAllowed);
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diff changeset
287 stateMachine_.AddHeader("Allow", allowed);
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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288 stateMachine_.SendBody(NULL, 0);
0
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parents:
diff changeset
289 }
3959d33612cc initial commit
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parents:
diff changeset
290
3959d33612cc initial commit
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parents:
diff changeset
291
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9c5d93510414 If error while calling the REST API, the answer body contains an error description
jodogne
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diff changeset
292 void HttpOutput::SendStatus(HttpStatus status,
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jodogne
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293 const char* message,
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jodogne
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diff changeset
294 size_t messageSize)
0
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parents:
diff changeset
295 {
1954
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parents: 1953
diff changeset
296 if (status == HttpStatus_301_MovedPermanently ||
908
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parents: 824
diff changeset
297 status == HttpStatus_401_Unauthorized ||
473
c9a5d72f8481 changing the namespace of HTTP enumerations
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parents: 398
diff changeset
298 status == HttpStatus_405_MethodNotAllowed)
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
299 {
1113
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parents: 1042
diff changeset
300 LOG(ERROR) << "Please use the dedicated methods to this HTTP status code in HttpOutput";
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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301 throw OrthancException(ErrorCode_ParameterOutOfRange);
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
302 }
3959d33612cc initial commit
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parents:
diff changeset
303
1113
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parents: 1042
diff changeset
304 stateMachine_.SetHttpStatus(status);
1645
1558b3226b18 IHttpExceptionFormatter
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1592
diff changeset
305 stateMachine_.SendBody(message, messageSize);
339
639272ef7615 answer raw buffers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 330
diff changeset
306 }
639272ef7615 answer raw buffers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 330
diff changeset
307
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 330
diff changeset
308
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
309 void HttpOutput::Redirect(const std::string& path)
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parents:
diff changeset
310 {
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parents: 1042
diff changeset
311 stateMachine_.ClearHeaders();
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
312 stateMachine_.SetHttpStatus(HttpStatus_301_MovedPermanently);
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
313 stateMachine_.AddHeader("Location", path);
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
314 stateMachine_.SendBody(NULL, 0);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
315 }
908
e078ea944089 refactoring HttpOutput
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parents: 824
diff changeset
316
e078ea944089 refactoring HttpOutput
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
317
e078ea944089 refactoring HttpOutput
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parents: 824
diff changeset
318 void HttpOutput::SendUnauthorized(const std::string& realm)
e078ea944089 refactoring HttpOutput
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parents: 824
diff changeset
319 {
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
320 stateMachine_.ClearHeaders();
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
321 stateMachine_.SetHttpStatus(HttpStatus_401_Unauthorized);
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
322 stateMachine_.AddHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
323 stateMachine_.SendBody(NULL, 0);
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
324 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
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parents: 1042
diff changeset
325
1521
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parents: 1519
diff changeset
326 void HttpOutput::Answer(const void* buffer,
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parents: 1519
diff changeset
327 size_t length)
1113
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parents: 1042
diff changeset
328 {
1511
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
329 if (length == 0)
1113
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parents: 1042
diff changeset
330 {
1521
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parents: 1519
diff changeset
331 AnswerEmpty();
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parents: 1519
diff changeset
332 return;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
333 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
334
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parents: 1519
diff changeset
335 HttpCompression compression = GetPreferredCompression(length);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
336
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
337 if (compression == HttpCompression_None)
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
338 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
339 stateMachine_.SetContentLength(length);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
340 stateMachine_.SendBody(buffer, length);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
341 return;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
342 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
343
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
344 std::string compressed, encoding;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
345
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
346 switch (compression)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
347 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
348 case HttpCompression_Deflate:
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
349 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
350 encoding = "deflate";
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
351 ZlibCompressor compressor;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
352 // Do not prefix the buffer with its uncompressed size, to be compatible with "deflate"
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
353 compressor.SetPrefixWithUncompressedSize(false);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
354 compressor.Compress(compressed, buffer, length);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
355 break;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
356 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
357
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
358 case HttpCompression_Gzip:
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
359 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
360 encoding = "gzip";
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parents: 1519
diff changeset
361 GzipCompressor compressor;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
362 compressor.Compress(compressed, buffer, length);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
363 break;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
364 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
365
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
366 default:
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
367 throw OrthancException(ErrorCode_InternalError);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
368 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
369
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
370 LOG(TRACE) << "Compressing a HTTP answer using " << encoding;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
371
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
372 // The body is empty, do not use HTTP compression
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
373 if (compressed.size() == 0)
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
374 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
375 AnswerEmpty();
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
376 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
377 else
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
378 {
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
379 stateMachine_.AddHeader("Content-Encoding", encoding);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
380 stateMachine_.SetContentLength(compressed.size());
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
381 stateMachine_.SendBody(compressed.c_str(), compressed.size());
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
382 }
1511
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
383
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
384 stateMachine_.CloseBody();
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
385 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
386
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
387
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
388 void HttpOutput::Answer(const std::string& str)
1511
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
389 {
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
390 Answer(str.size() == 0 ? NULL : str.c_str(), str.size());
1511
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
391 }
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
392
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
393
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
394 void HttpOutput::AnswerEmpty()
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
395 {
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
396 stateMachine_.CloseBody();
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
397 }
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
398
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
399
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
400 void HttpOutput::StateMachine::StartMultipart(const std::string& subType,
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
401 const std::string& contentType)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
402 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
403 if (subType != "mixed" &&
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
404 subType != "related")
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
405 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
406 throw OrthancException(ErrorCode_ParameterOutOfRange);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
407 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
408
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
409 if (keepAlive_)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
410 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
411 LOG(ERROR) << "Multipart answers are not implemented together with keep-alive connections";
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
412 throw OrthancException(ErrorCode_NotImplemented);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
413 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
414
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
415 if (state_ != State_WritingHeader)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
416 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
417 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
418 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
419
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
420 if (status_ != HttpStatus_200_Ok)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
421 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
422 SendBody(NULL, 0);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
423 return;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
424 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
425
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
426 stream_.OnHttpStatusReceived(status_);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
427
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
428 std::string header = "HTTP/1.1 200 OK\r\n";
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
429
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
430 // Possibly add the cookies
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
431 for (std::list<std::string>::const_iterator
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
432 it = headers_.begin(); it != headers_.end(); ++it)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
433 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
434 if (!Toolbox::StartsWith(*it, "Set-Cookie: "))
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
435 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
436 LOG(ERROR) << "The only headers that can be set in multipart answers are Set-Cookie (here: " << *it << " is set)";
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
437 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
438 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
439
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
440 header += *it;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
441 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
442
2172
84d1d392a9ab GenerateUuid() not available in sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1954
diff changeset
443 multipartBoundary_ = SystemToolbox::GenerateUuid();
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
444 multipartContentType_ = contentType;
2257
b8e07269da72 revert commit #69b0f4e, as quoting is only OPTIONAL, so we preserve backward compatibility
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2248
diff changeset
445 header += "Content-Type: multipart/" + subType + "; type=" + contentType + "; boundary=" + multipartBoundary_ + "\r\n\r\n";
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
446
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
447 stream_.Send(true, header.c_str(), header.size());
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
448 state_ = State_WritingMultipart;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
449 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
450
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
451
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
452 void HttpOutput::StateMachine::SendMultipartItem(const void* item,
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
453 size_t length,
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
454 const std::map<std::string, std::string>& headers)
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
455 {
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
456 if (state_ != State_WritingMultipart)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
457 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
458 throw OrthancException(ErrorCode_BadSequenceOfCalls);
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
459 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
460
1832
b7da58699f92 Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1645
diff changeset
461 std::string header = "--" + multipartBoundary_ + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
462
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
463 bool hasContentType = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
464 bool hasContentLength = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
465 bool hasMimeVersion = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
466
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
467 for (std::map<std::string, std::string>::const_iterator
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
468 it = headers.begin(); it != headers.end(); ++it)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
469 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
470 header += it->first + ": " + it->second + "\r\n";
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
471
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
472 std::string tmp;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
473 Toolbox::ToLowerCase(tmp, it->first);
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
474
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
475 if (tmp == "content-type")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
476 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
477 hasContentType = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
478 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
479
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
480 if (tmp == "content-length")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
481 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
482 hasContentLength = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
483 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
484
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
485 if (tmp == "mime-version")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
486 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
487 hasMimeVersion = true;
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: 1875
diff changeset
490
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
491 if (!hasContentType)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
492 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
493 header += "Content-Type: " + multipartContentType_ + "\r\n";
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
494 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
495
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
496 if (!hasContentLength)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
497 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
498 header += "Content-Length: " + boost::lexical_cast<std::string>(length) + "\r\n";
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
499 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
500
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
501 if (!hasMimeVersion)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
502 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
503 header += "MIME-Version: 1.0\r\n\r\n";
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
504 }
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
505
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
506 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
507
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
508 if (length > 0)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
509 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
510 stream_.Send(false, item, length);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
511 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
512
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
513 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
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
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
517 void HttpOutput::StateMachine::CloseMultipart()
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
518 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
519 if (state_ != State_WritingMultipart)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
520 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
521 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
522 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
523
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
524 // 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
525 // 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
526 try
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
527 {
1832
b7da58699f92 Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1645
diff changeset
528 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
529 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
530 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
531 catch (OrthancException&)
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: 1288
diff changeset
534
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
535 state_ = State_Done;
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
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
538
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
539 void HttpOutput::Answer(IHttpStreamAnswer& stream)
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Sebastien Jodogne <s.jodogne@gmail.com>
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540 {
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
541 HttpCompression compression = stream.SetupHttpCompression(isGzipAllowed_, isDeflateAllowed_);
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
542
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
543 switch (compression)
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
544 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
545 case HttpCompression_None:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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546 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
547
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
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548 case HttpCompression_Gzip:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
549 stateMachine_.AddHeader("Content-Encoding", "gzip");
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diff changeset
550 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
551
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
552 case HttpCompression_Deflate:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
553 stateMachine_.AddHeader("Content-Encoding", "deflate");
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
554 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
555
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
556 default:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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557 throw OrthancException(ErrorCode_ParameterOutOfRange);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
558 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
559
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
560 stateMachine_.SetContentLength(stream.GetContentLength());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
561
c388502a066d testing FilesystemHttpSender
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parents: 1522
diff changeset
562 std::string contentType = stream.GetContentType();
c388502a066d testing FilesystemHttpSender
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parents: 1522
diff changeset
563 if (contentType.empty())
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
564 {
c388502a066d testing FilesystemHttpSender
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parents: 1522
diff changeset
565 contentType = "application/octet-stream";
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
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
568 stateMachine_.SetContentType(contentType.c_str());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
569
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
570 std::string filename;
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
571 if (stream.HasContentFilename(filename))
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
572 {
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
573 SetContentFilename(filename.c_str());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
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574 }
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
575
1519
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
576 while (stream.ReadNextChunk())
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
577 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
578 stateMachine_.SendBody(stream.GetChunkContent(),
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
579 stream.GetChunkSize());
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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
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
582 stateMachine_.CloseBody();
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
583 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
584
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
585 }