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annotate OrthancFramework/Sources/HttpServer/HttpOutput.cpp @ 4298:db3932f9660d

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abi continued
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 05 Nov 2020 18:21:03 +0100
parents 2d5209153b32
children 6919242d2265
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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) 2017-2020 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 Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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22
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23 #include "../PrecompiledHeaders.h"
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24 #include "HttpOutput.h"
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25
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26 #include "../ChunkedBuffer.h"
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27 #include "../Compression/GzipCompressor.h"
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28 #include "../Compression/ZlibCompressor.h"
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29 #include "../Logging.h"
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30 #include "../OrthancException.h"
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31 #include "../Toolbox.h"
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32
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33 #include <iostream>
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34 #include <vector>
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35 #include <stdio.h>
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36 #include <boost/lexical_cast.hpp>
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39 #if ORTHANC_ENABLE_CIVETWEB == 1
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40 # if !defined(CIVETWEB_HAS_DISABLE_KEEP_ALIVE)
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41 # error Macro CIVETWEB_HAS_DISABLE_KEEP_ALIVE must be defined
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42 # endif
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43 #endif
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45
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46 namespace Orthanc
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47 {
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48 HttpOutput::StateMachine::StateMachine(IHttpOutputStream& stream,
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49 bool isKeepAlive) :
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50 stream_(stream),
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51 state_(State_WritingHeader),
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52 status_(HttpStatus_200_Ok),
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53 hasContentLength_(false),
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54 contentLength_(0),
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55 contentPosition_(0),
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56 keepAlive_(isKeepAlive)
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57 {
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58 }
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60 HttpOutput::StateMachine::~StateMachine()
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61 {
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62 if (state_ != State_Done)
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63 {
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64 //asm volatile ("int3;");
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65 //LOG(ERROR) << "This HTTP answer does not contain any body";
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66 }
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67
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68 if (hasContentLength_ && contentPosition_ != contentLength_)
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69 {
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70 LOG(ERROR) << "This HTTP answer has not sent the proper number of bytes in its body";
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71 }
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72 }
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75 void HttpOutput::StateMachine::SetHttpStatus(HttpStatus status)
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76 {
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77 if (state_ != State_WritingHeader)
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78 {
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79 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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80 }
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81
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82 status_ = status;
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83 }
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86 void HttpOutput::StateMachine::SetContentLength(uint64_t length)
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87 {
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88 if (state_ != State_WritingHeader)
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89 {
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90 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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91 }
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92
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93 hasContentLength_ = true;
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94 contentLength_ = length;
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95 }
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96
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97 void HttpOutput::StateMachine::SetContentType(const char* contentType)
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98 {
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99 AddHeader("Content-Type", contentType);
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100 }
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101
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102 void HttpOutput::StateMachine::SetContentFilename(const char* filename)
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103 {
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104 // TODO Escape double quotes
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105 AddHeader("Content-Disposition", "filename=\"" + std::string(filename) + "\"");
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106 }
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107
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108 void HttpOutput::StateMachine::SetCookie(const std::string& cookie,
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109 const std::string& value)
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110 {
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111 if (state_ != State_WritingHeader)
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112 {
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113 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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114 }
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115
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116 // TODO Escape "=" characters
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117 AddHeader("Set-Cookie", cookie + "=" + value);
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118 }
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121 void HttpOutput::StateMachine::AddHeader(const std::string& header,
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122 const std::string& value)
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123 {
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124 if (state_ != State_WritingHeader)
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125 {
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126 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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diff changeset
127 }
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128
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diff changeset
129 headers_.push_back(header + ": " + value + "\r\n");
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diff changeset
130 }
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131
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diff changeset
132 void HttpOutput::StateMachine::ClearHeaders()
910
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133 {
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134 if (state_ != State_WritingHeader)
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135 {
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136 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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137 }
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diff changeset
138
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diff changeset
139 headers_.clear();
910
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140 }
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141
1113
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diff changeset
142 void HttpOutput::StateMachine::SendBody(const void* buffer, size_t length)
910
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143 {
1113
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diff changeset
144 if (state_ == State_Done)
910
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diff changeset
145 {
1113
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diff changeset
146 if (length == 0)
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diff changeset
147 {
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diff changeset
148 return;
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149 }
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diff changeset
150 else
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diff changeset
151 {
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152 throw OrthancException(ErrorCode_BadSequenceOfCalls,
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153 "Because of keep-alive connections, the entire body must "
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154 "be sent at once or Content-Length must be given");
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155 }
910
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diff changeset
156 }
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diff changeset
157
1430
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diff changeset
158 if (state_ == State_WritingMultipart)
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159 {
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160 throw OrthancException(ErrorCode_InternalError);
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161 }
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diff changeset
162
910
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diff changeset
163 if (state_ == State_WritingHeader)
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diff changeset
164 {
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165 // Send the HTTP header before writing the body
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diff changeset
166
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diff changeset
167 stream_.OnHttpStatusReceived(status_);
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168
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diff changeset
169 std::string s = "HTTP/1.1 " +
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diff changeset
170 boost::lexical_cast<std::string>(status_) +
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diff changeset
171 " " + std::string(EnumerationToString(status_)) +
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diff changeset
172 "\r\n";
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diff changeset
173
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diff changeset
174 if (keepAlive_)
1113
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diff changeset
175 {
1115
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diff changeset
176 s += "Connection: keep-alive\r\n";
1113
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diff changeset
177 }
3171
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
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diff changeset
178 else
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
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diff changeset
179 {
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
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diff changeset
180 s += "Connection: close\r\n";
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
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diff changeset
181 }
1113
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diff changeset
182
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diff changeset
183 for (std::list<std::string>::const_iterator
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diff changeset
184 it = headers_.begin(); it != headers_.end(); ++it)
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diff changeset
185 {
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diff changeset
186 s += *it;
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diff changeset
187 }
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diff changeset
188
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diff changeset
189 if (status_ != HttpStatus_200_Ok)
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diff changeset
190 {
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diff changeset
191 hasContentLength_ = false;
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diff changeset
192 }
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parents: 1113
diff changeset
193
1113
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diff changeset
194 uint64_t contentLength = (hasContentLength_ ? contentLength_ : length);
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diff changeset
195 s += "Content-Length: " + boost::lexical_cast<std::string>(contentLength) + "\r\n\r\n";
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diff changeset
196
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diff changeset
197 stream_.Send(true, s.c_str(), s.size());
910
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diff changeset
198 state_ = State_WritingBody;
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diff changeset
199 }
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diff changeset
200
1113
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diff changeset
201 if (hasContentLength_ &&
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diff changeset
202 contentPosition_ + length > contentLength_)
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diff changeset
203 {
2954
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diff changeset
204 throw OrthancException(ErrorCode_BadSequenceOfCalls,
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diff changeset
205 "The body size exceeds what was declared with SetContentSize()");
1113
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diff changeset
206 }
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diff changeset
207
910
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diff changeset
208 if (length > 0)
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diff changeset
209 {
911
306afd58a0b3 fix build
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parents: 910
diff changeset
210 stream_.Send(false, buffer, length);
1113
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diff changeset
211 contentPosition_ += length;
330
78a8eaa5f30b cookies
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parents: 324
diff changeset
212 }
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parents: 324
diff changeset
213
1113
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diff changeset
214 if (!hasContentLength_ ||
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diff changeset
215 contentPosition_ == contentLength_)
330
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parents: 324
diff changeset
216 {
1113
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diff changeset
217 state_ = State_Done;
330
78a8eaa5f30b cookies
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diff changeset
218 }
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parents: 324
diff changeset
219 }
78a8eaa5f30b cookies
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parents: 324
diff changeset
220
207
7f74209ea0f8 RestApi
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parents: 155
diff changeset
221
1519
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diff changeset
222 void HttpOutput::StateMachine::CloseBody()
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
223 {
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
224 switch (state_)
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
225 {
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
226 case State_WritingHeader:
1522
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diff changeset
227 SetContentLength(0);
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diff changeset
228 SendBody(NULL, 0);
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diff changeset
229 break;
1519
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diff changeset
230
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
231 case State_WritingBody:
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
232 if (!hasContentLength_ ||
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
233 contentPosition_ == contentLength_)
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
234 {
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
235 state_ = State_Done;
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
236 }
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
237 else
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
238 {
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d924f9bb61cc taking advantage of details in OrthancException
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diff changeset
239 throw OrthancException(ErrorCode_BadSequenceOfCalls,
d924f9bb61cc taking advantage of details in OrthancException
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diff changeset
240 "The body size has not reached what was declared with SetContentSize()");
1519
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diff changeset
241 }
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
242
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
243 break;
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
244
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
245 case State_WritingMultipart:
2954
d924f9bb61cc taking advantage of details in OrthancException
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diff changeset
246 throw OrthancException(ErrorCode_BadSequenceOfCalls,
d924f9bb61cc taking advantage of details in OrthancException
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diff changeset
247 "Cannot invoke CloseBody() with multipart outputs");
1519
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
248
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
249 case State_Done:
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
250 return; // Ignore
8bd0d897763f refactoring: IHttpStreamAnswer
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parents: 1517
diff changeset
251
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
252 default:
8bd0d897763f refactoring: IHttpStreamAnswer
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diff changeset
253 throw OrthancException(ErrorCode_InternalError);
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254 }
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255 }
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256
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257
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258 HttpCompression HttpOutput::GetPreferredCompression(size_t bodySize) const
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259 {
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260 #if 0
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261 // TODO Do not compress small files?
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262 if (bodySize < 512)
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263 {
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264 return HttpCompression_None;
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265 }
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266 #endif
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267
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268 // Prefer "gzip" over "deflate" if the choice is offered
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269
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270 if (isGzipAllowed_)
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271 {
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272 return HttpCompression_Gzip;
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273 }
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274 else if (isDeflateAllowed_)
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275 {
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276 return HttpCompression_Deflate;
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277 }
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278 else
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279 {
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280 return HttpCompression_None;
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281 }
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282 }
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283
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284
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285 HttpOutput::HttpOutput(IHttpOutputStream &stream,
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286 bool isKeepAlive) :
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287 stateMachine_(stream, isKeepAlive),
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288 isDeflateAllowed_(false),
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289 isGzipAllowed_(false)
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290 {
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291 }
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292
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293 void HttpOutput::SetDeflateAllowed(bool allowed)
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294 {
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295 isDeflateAllowed_ = allowed;
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296 }
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297
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298 bool HttpOutput::IsDeflateAllowed() const
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299 {
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300 return isDeflateAllowed_;
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301 }
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302
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303 void HttpOutput::SetGzipAllowed(bool allowed)
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304 {
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305 isGzipAllowed_ = allowed;
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306 }
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307
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308 bool HttpOutput::IsGzipAllowed() const
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309 {
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310 return isGzipAllowed_;
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311 }
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312
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313
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314 void HttpOutput::SendMethodNotAllowed(const std::string& allowed)
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315 {
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316 stateMachine_.ClearHeaders();
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317 stateMachine_.SetHttpStatus(HttpStatus_405_MethodNotAllowed);
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318 stateMachine_.AddHeader("Allow", allowed);
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319 stateMachine_.SendBody(NULL, 0);
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320 }
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321
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322
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323 void HttpOutput::SendStatus(HttpStatus status,
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324 const char* message,
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325 size_t messageSize)
0
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326 {
1954
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327 if (status == HttpStatus_301_MovedPermanently ||
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328 //status == HttpStatus_401_Unauthorized ||
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329 status == HttpStatus_405_MethodNotAllowed)
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330 {
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331 throw OrthancException(ErrorCode_ParameterOutOfRange,
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332 "Please use the dedicated methods to this HTTP status code in HttpOutput");
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333 }
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334
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335 stateMachine_.SetHttpStatus(status);
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336 stateMachine_.SendBody(message, messageSize);
339
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337 }
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338
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339 void HttpOutput::SendStatus(HttpStatus status)
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340 {
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341 SendStatus(status, NULL, 0);
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342 }
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343
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344 void HttpOutput::SendStatus(HttpStatus status, const std::string &message)
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345 {
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346 SendStatus(status, message.c_str(), message.size());
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347 }
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348
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349 void HttpOutput::SetContentType(MimeType contentType)
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350 {
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351 stateMachine_.SetContentType(EnumerationToString(contentType));
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352 }
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353
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354 void HttpOutput::SetContentType(const std::string &contentType)
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355 {
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356 stateMachine_.SetContentType(contentType.c_str());
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357 }
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358
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359 void HttpOutput::SetContentFilename(const char *filename)
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360 {
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361 stateMachine_.SetContentFilename(filename);
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362 }
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363
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364 void HttpOutput::SetCookie(const std::string &cookie, const std::string &value)
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365 {
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366 stateMachine_.SetCookie(cookie, value);
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367 }
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368
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369 void HttpOutput::AddHeader(const std::string &key, const std::string &value)
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370 {
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371 stateMachine_.AddHeader(key, value);
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372 }
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373
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374
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375 void HttpOutput::Redirect(const std::string& path)
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376 {
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377 stateMachine_.ClearHeaders();
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378 stateMachine_.SetHttpStatus(HttpStatus_301_MovedPermanently);
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379 stateMachine_.AddHeader("Location", path);
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diff changeset
380 stateMachine_.SendBody(NULL, 0);
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381 }
908
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diff changeset
382
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diff changeset
383
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diff changeset
384 void HttpOutput::SendUnauthorized(const std::string& realm)
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385 {
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diff changeset
386 stateMachine_.ClearHeaders();
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diff changeset
387 stateMachine_.SetHttpStatus(HttpStatus_401_Unauthorized);
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diff changeset
388 stateMachine_.AddHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
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diff changeset
389 stateMachine_.SendBody(NULL, 0);
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diff changeset
390 }
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391
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392 void HttpOutput::StartMultipart(const std::string &subType, const std::string &contentType)
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393 {
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394 stateMachine_.StartMultipart(subType, contentType);
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395 }
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396
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397 void HttpOutput::SendMultipartItem(const void *item,
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diff changeset
398 size_t size,
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399 const std::map<std::string, std::string> &headers)
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400 {
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401 stateMachine_.SendMultipartItem(item, size, headers);
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diff changeset
402 }
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diff changeset
403
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404 void HttpOutput::CloseMultipart()
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405 {
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406 stateMachine_.CloseMultipart();
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
407 }
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
408
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
409 bool HttpOutput::IsWritingMultipart() const
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
410 {
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
411 return stateMachine_.GetState() == StateMachine::State_WritingMultipart;
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
412 }
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
413
2908
9d277f8ad698 new enumeration: MimeType
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2905
diff changeset
414
4298
db3932f9660d abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4201
diff changeset
415 void HttpOutput::Answer(const void* buffer,
1521
3606278d305e refactoring
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parents: 1519
diff changeset
416 size_t length)
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
417 {
1511
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
418 if (length == 0)
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
419 {
1521
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
420 AnswerEmpty();
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
421 return;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
422 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
423
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
424 HttpCompression compression = GetPreferredCompression(length);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
425
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
426 if (compression == HttpCompression_None)
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
427 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
428 stateMachine_.SetContentLength(length);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
429 stateMachine_.SendBody(buffer, length);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
430 return;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
431 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
432
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
433 std::string compressed, encoding;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
434
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
435 switch (compression)
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
436 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
437 case HttpCompression_Deflate:
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
438 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
439 encoding = "deflate";
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
440 ZlibCompressor compressor;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
441 // Do not prefix the buffer with its uncompressed size, to be compatible with "deflate"
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
442 compressor.SetPrefixWithUncompressedSize(false);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
443 compressor.Compress(compressed, buffer, length);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
444 break;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
445 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
446
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
447 case HttpCompression_Gzip:
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
448 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
449 encoding = "gzip";
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
450 GzipCompressor compressor;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
451 compressor.Compress(compressed, buffer, length);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
452 break;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
453 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
454
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
455 default:
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
456 throw OrthancException(ErrorCode_InternalError);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
457 }
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
458
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
459 LOG(TRACE) << "Compressing a HTTP answer using " << encoding;
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
460
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
461 // The body is empty, do not use HTTP compression
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
462 if (compressed.size() == 0)
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
463 {
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
464 AnswerEmpty();
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
465 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
466 else
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
467 {
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
468 stateMachine_.AddHeader("Content-Encoding", encoding);
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
469 stateMachine_.SetContentLength(compressed.size());
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
470 stateMachine_.SendBody(compressed.c_str(), compressed.size());
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
471 }
1511
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
472
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
473 stateMachine_.CloseBody();
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
474 }
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
475
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
476
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
477 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
478 {
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
479 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
480 }
7962563129c9 starting support of deflate/gzip content types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1486
diff changeset
481
1521
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
482
3606278d305e refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1519
diff changeset
483 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
484 {
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
485 stateMachine_.CloseBody();
1113
ba5c0908600c Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1042
diff changeset
486 }
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
487
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
488
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
489 void HttpOutput::StateMachine::CheckHeadersCompatibilityWithMultipart() const
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
490 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
491 for (std::list<std::string>::const_iterator
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
492 it = headers_.begin(); it != headers_.end(); ++it)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
493 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
494 if (!Toolbox::StartsWith(*it, "Set-Cookie: "))
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
495 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
496 throw OrthancException(ErrorCode_BadSequenceOfCalls,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
497 "The only headers that can be set in multipart answers "
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
498 "are Set-Cookie (here: " + *it + " is set)");
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
499 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
500 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
501 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
502
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
503
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
504 static void PrepareMultipartMainHeader(std::string& boundary,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
505 std::string& contentTypeHeader,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
506 const std::string& subType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
507 const std::string& contentType)
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
508 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
509 if (subType != "mixed" &&
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
510 subType != "related")
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 throw OrthancException(ErrorCode_ParameterOutOfRange);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
513 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
514
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
515 /**
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
516 * Fix for issue 54 ("Decide what to do wrt. quoting of multipart
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
517 * answers"). The "type" parameter in the "Content-Type" HTTP
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
518 * header must be quoted if it contains a forward slash "/". This
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
519 * is necessary for DICOMweb compatibility with OsiriX, but breaks
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
520 * compatibility with old releases of the client in the Orthanc
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
521 * DICOMweb plugin <= 0.3 (releases >= 0.4 work fine).
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
522 *
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
523 * Full history is available at the following locations:
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
524 * - In changeset 2248:69b0f4e8a49b:
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
525 * # hg history -v -r 2248
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
526 * - https://bitbucket.org/sjodogne/orthanc/issues/54/
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
527 * - https://groups.google.com/d/msg/orthanc-users/65zhIM5xbKI/TU5Q1_LhAwAJ
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
528 **/
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
529 std::string tmp;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
530 if (contentType.find('/') == std::string::npos)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
531 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
532 // No forward slash in the content type
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
533 tmp = contentType;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
534 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
535 else
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
536 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
537 // Quote the content type because of the forward slash
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
538 tmp = "\"" + contentType + "\"";
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
539 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
540
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
541 boundary = Toolbox::GenerateUuid() + "-" + Toolbox::GenerateUuid();
3616
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
542
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
543 /**
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
544 * Fix for issue #165: "Encapsulation boundaries must not appear
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
545 * within the encapsulations, and must be no longer than 70
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
546 * characters, not counting the two leading hyphens."
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
547 * https://tools.ietf.org/html/rfc1521
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
548 * https://bitbucket.org/sjodogne/orthanc/issues/165/
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
549 **/
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
550 if (boundary.size() != 36 + 1 + 36) // one UUID contains 36 characters
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
551 {
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
552 throw OrthancException(ErrorCode_InternalError);
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
553 }
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
554
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
555 boundary = boundary.substr(0, 70);
b6a569e6e85b Fix issue #165
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3528
diff changeset
556
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
557 contentTypeHeader = ("multipart/" + subType + "; type=" + tmp + "; boundary=" + boundary);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
558 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
559
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
560
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
561 void HttpOutput::StateMachine::StartMultipart(const std::string& subType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
562 const std::string& contentType)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
563 {
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
564 if (state_ != State_WritingHeader)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
565 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
566 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
567 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
568
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
569 if (status_ != HttpStatus_200_Ok)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
570 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
571 SendBody(NULL, 0);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
572 return;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
573 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
574
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
575 stream_.OnHttpStatusReceived(status_);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
576
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
577 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
578
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
579 if (keepAlive_)
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
580 {
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
581 #if ORTHANC_ENABLE_MONGOOSE == 1
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
582 throw OrthancException(ErrorCode_NotImplemented,
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
583 "Multipart answers are not implemented together "
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
584 "with keep-alive connections if using Mongoose");
3178
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
585
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
586 #elif ORTHANC_ENABLE_CIVETWEB == 1
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
587 # if CIVETWEB_HAS_DISABLE_KEEP_ALIVE == 1
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
588 // Turn off Keep-Alive for multipart answers
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
589 // https://github.com/civetweb/civetweb/issues/727
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
590 stream_.DisableKeepAlive();
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
591 header += "Connection: close\r\n";
3178
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
592 # else
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
593 // The function "mg_disable_keep_alive()" is not available,
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
594 // let's continue with Keep-Alive. Performance of WADO-RS will
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
595 // decrease.
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
596 header += "Connection: keep-alive\r\n";
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
597 # endif
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
598
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
599 #else
6d558598d713 Fix build with unpatched versions of Civetweb (missing "mg_disable_keep_alive()")
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3171
diff changeset
600 # error Please support your embedded Web server here
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
601 #endif
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
602 }
3171
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
603 else
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
604 {
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
605 header += "Connection: close\r\n";
81cd9a4f3018 always add HTTP header "Connection: close" if keep-alive is disabled
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3154
diff changeset
606 }
3154
6e8822be2f08 Fix compatibility with DICOMweb plugin (allow multipart answers over HTTP Keep-Alive)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
607
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
608 // Possibly add the cookies
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
609 CheckHeadersCompatibilityWithMultipart();
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
610
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
611 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
612 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
613 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
614 header += *it;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
615 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
616
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
617 std::string contentTypeHeader;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
618 PrepareMultipartMainHeader(multipartBoundary_, contentTypeHeader, subType, contentType);
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
619 multipartContentType_ = contentType;
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
620 header += ("Content-Type: " + contentTypeHeader + "\r\n\r\n");
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
621
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
622 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
623 state_ = State_WritingMultipart;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
624 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
625
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
626
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
627 static void PrepareMultipartItemHeader(std::string& target,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
628 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
629 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
630 const std::string& boundary,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
631 const std::string& contentType)
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
632 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
633 target = "--" + boundary + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
634
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
635 bool hasContentType = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
636 bool hasContentLength = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
637 bool hasMimeVersion = false;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
638
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
639 for (std::map<std::string, std::string>::const_iterator
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
640 it = headers.begin(); it != headers.end(); ++it)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
641 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
642 target += it->first + ": " + it->second + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
643
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
644 std::string tmp;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
645 Toolbox::ToLowerCase(tmp, it->first);
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
646
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
647 if (tmp == "content-type")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
648 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
649 hasContentType = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
650 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
651
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
652 if (tmp == "content-length")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
653 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
654 hasContentLength = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
655 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
656
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
657 if (tmp == "mime-version")
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
658 {
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
659 hasMimeVersion = true;
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
660 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
661 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
662
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
663 if (!hasContentType)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
664 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
665 target += "Content-Type: " + contentType + "\r\n";
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
666 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
667
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
668 if (!hasContentLength)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
669 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
670 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
671 }
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
672
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
673 if (!hasMimeVersion)
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
674 {
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
675 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
676 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
677 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
678
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
679
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
680 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
681 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
682 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
683 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
684 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
685 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
686 throw OrthancException(ErrorCode_BadSequenceOfCalls);
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
687 }
1430
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
688
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
689 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
690 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
691 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
692
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
693 if (length > 0)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
694 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
695 stream_.Send(false, item, length);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
696 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
697
1882
5cf2bd0abfa2 OrthancPluginSendMultipartItem2 for DICOMweb
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1875
diff changeset
698 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
699 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
700
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
701
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
702 void HttpOutput::StateMachine::CloseMultipart()
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
703 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
704 if (state_ != State_WritingMultipart)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
705 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
706 throw OrthancException(ErrorCode_BadSequenceOfCalls);
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
707 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
708
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
709 // 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
710 // 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
711 try
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
712 {
1832
b7da58699f92 Fix formatting of multipart HTTP answers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1645
diff changeset
713 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
714 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
715 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
716 catch (OrthancException&)
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
717 {
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
718 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
719
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
720 state_ = State_Done;
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
721 }
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
722
ad94a3583b07 Plugins can send answers as multipart messages
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
723
3380
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
724 static void AnswerStreamAsBuffer(HttpOutput& output,
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
725 IHttpStreamAnswer& stream)
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
726 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
727 ChunkedBuffer buffer;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
728
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
729 while (stream.ReadNextChunk())
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
730 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
731 if (stream.GetChunkSize() > 0)
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
732 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
733 buffer.AddChunk(stream.GetChunkContent(), stream.GetChunkSize());
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
734 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
735 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
736
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
737 std::string s;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
738 buffer.Flatten(s);
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
739
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
740 output.SetContentType(stream.GetContentType());
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
741
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
742 std::string filename;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
743 if (stream.HasContentFilename(filename))
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
744 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
745 output.SetContentFilename(filename.c_str());
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
746 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
747
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
748 output.Answer(s);
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
749 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
750
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
751
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
752 void HttpOutput::Answer(IHttpStreamAnswer& stream)
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
753 {
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
754 HttpCompression compression = stream.SetupHttpCompression(isGzipAllowed_, isDeflateAllowed_);
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
755
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
756 switch (compression)
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
757 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
758 case HttpCompression_None:
3380
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
759 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
760 if (isGzipAllowed_ || isDeflateAllowed_)
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
761 {
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
762 // New in Orthanc 1.5.7: Compress streams without built-in
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
763 // compression, if requested by the "Accept-Encoding" HTTP
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
764 // header
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
765 AnswerStreamAsBuffer(*this, stream);
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
766 return;
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
767 }
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
768
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
769 break;
3380
0528a6c36f3d HTTP header "Accept-Encoding" is honored for streams without built-in support for compression
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3178
diff changeset
770 }
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
771
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
772 case HttpCompression_Gzip:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
773 stateMachine_.AddHeader("Content-Encoding", "gzip");
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
774 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
775
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
776 case HttpCompression_Deflate:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
777 stateMachine_.AddHeader("Content-Encoding", "deflate");
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
778 break;
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
779
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
780 default:
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
781 throw OrthancException(ErrorCode_ParameterOutOfRange);
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
782 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
783
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
784 stateMachine_.SetContentLength(stream.GetContentLength());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
785
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
786 std::string contentType = stream.GetContentType();
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
787 if (contentType.empty())
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
788 {
2905
ae20fccdd867 refactoring mime types
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2805
diff changeset
789 contentType = MIME_BINARY;
1523
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
790 }
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
791
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
792 stateMachine_.SetContentType(contentType.c_str());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
793
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
794 std::string filename;
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
795 if (stream.HasContentFilename(filename))
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
796 {
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
797 SetContentFilename(filename.c_str());
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
798 }
c388502a066d testing FilesystemHttpSender
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1522
diff changeset
799
1519
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
800 while (stream.ReadNextChunk())
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
801 {
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
802 stateMachine_.SendBody(stream.GetChunkContent(),
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
803 stream.GetChunkSize());
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
804 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
805
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
806 stateMachine_.CloseBody();
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
807 }
8bd0d897763f refactoring: IHttpStreamAnswer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1517
diff changeset
808
3528
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
809
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
810 void HttpOutput::AnswerMultipartWithoutChunkedTransfer(
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
811 const std::string& subType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
812 const std::string& contentType,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
813 const std::vector<const void*>& parts,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
814 const std::vector<size_t>& sizes,
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
815 const std::vector<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
816 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
817 if (parts.size() != sizes.size())
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
818 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
819 throw OrthancException(ErrorCode_ParameterOutOfRange);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
820 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
821
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
822 stateMachine_.CheckHeadersCompatibilityWithMultipart();
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
823
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
824 std::string boundary, contentTypeHeader;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
825 PrepareMultipartMainHeader(boundary, contentTypeHeader, subType, contentType);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
826 SetContentType(contentTypeHeader);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
827
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
828 std::map<std::string, std::string> empty;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
829
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
830 ChunkedBuffer chunked;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
831 for (size_t i = 0; i < parts.size(); i++)
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
832 {
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
833 std::string partHeader;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
834 PrepareMultipartItemHeader(partHeader, sizes[i], headers[i] == NULL ? empty : *headers[i],
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
835 boundary, contentType);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
836
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
837 chunked.AddChunk(partHeader);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
838 chunked.AddChunk(parts[i], sizes[i]);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
839 chunked.AddChunk("\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
840 }
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
841
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
842 chunked.AddChunk("--" + boundary + "--\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
843
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
844 std::string body;
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
845 chunked.Flatten(body);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
846 Answer(body);
f6fe095f7130 don't open a multipart stream if plugin only sends one part
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3425
diff changeset
847 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
848 }