Mercurial > hg > orthanc
annotate Core/HttpServer/HttpOutput.h @ 2996:d547f998c947 db-changes
integration mainline->db-changes
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 10 Dec 2018 20:33:13 +0100 |
parents | 9d277f8ad698 |
children | 4e43e67f8ecf |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
136 | 11 * |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
0 | 23 * |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #pragma once | |
35 | |
2142 | 36 #include "../Enumerations.h" |
37 #include "IHttpOutputStream.h" | |
38 #include "IHttpStreamAnswer.h" | |
39 | |
330 | 40 #include <list> |
0 | 41 #include <string> |
42 #include <stdint.h> | |
2142 | 43 #include <map> |
0 | 44 |
59 | 45 namespace Orthanc |
0 | 46 { |
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47 class HttpOutput : public boost::noncopyable |
0 | 48 { |
49 private: | |
330 | 50 typedef std::list< std::pair<std::string, std::string> > Header; |
51 | |
910 | 52 class StateMachine : public boost::noncopyable |
53 { | |
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54 public: |
910 | 55 enum State |
56 { | |
57 State_WritingHeader, | |
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58 State_WritingBody, |
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59 State_WritingMultipart, |
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60 State_Done |
910 | 61 }; |
62 | |
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63 private: |
910 | 64 IHttpOutputStream& stream_; |
65 State state_; | |
66 | |
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67 HttpStatus status_; |
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68 bool hasContentLength_; |
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69 uint64_t contentLength_; |
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70 uint64_t contentPosition_; |
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71 bool keepAlive_; |
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72 std::list<std::string> headers_; |
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73 |
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74 std::string multipartBoundary_; |
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75 std::string multipartContentType_; |
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76 |
910 | 77 public: |
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78 StateMachine(IHttpOutputStream& stream, |
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79 bool isKeepAlive); |
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80 |
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81 ~StateMachine(); |
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82 |
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83 void SetHttpStatus(HttpStatus status); |
910 | 84 |
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85 void SetContentLength(uint64_t length); |
910 | 86 |
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87 void SetContentType(const char* contentType); |
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88 |
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89 void SetContentFilename(const char* filename); |
910 | 90 |
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91 void SetCookie(const std::string& cookie, |
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92 const std::string& value); |
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94 void AddHeader(const std::string& header, |
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95 const std::string& value); |
910 | 96 |
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97 void ClearHeaders(); |
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98 |
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99 void SendBody(const void* buffer, size_t length); |
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100 |
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101 void StartMultipart(const std::string& subType, |
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102 const std::string& contentType); |
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103 |
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104 void SendMultipartItem(const void* item, |
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105 size_t length, |
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106 const std::map<std::string, std::string>& headers); |
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107 |
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108 void CloseMultipart(); |
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109 |
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110 void CloseBody(); |
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111 |
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112 State GetState() const |
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113 { |
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114 return state_; |
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115 } |
910 | 116 }; |
117 | |
118 StateMachine stateMachine_; | |
1517 | 119 bool isDeflateAllowed_; |
120 bool isGzipAllowed_; | |
121 | |
122 HttpCompression GetPreferredCompression(size_t bodySize) const; | |
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123 |
0 | 124 public: |
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125 HttpOutput(IHttpOutputStream& stream, |
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126 bool isKeepAlive) : |
1517 | 127 stateMachine_(stream, isKeepAlive), |
128 isDeflateAllowed_(false), | |
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129 isGzipAllowed_(false) |
1517 | 130 { |
131 } | |
132 | |
133 void SetDeflateAllowed(bool allowed) | |
0 | 134 { |
1517 | 135 isDeflateAllowed_ = allowed; |
136 } | |
137 | |
138 bool IsDeflateAllowed() const | |
139 { | |
140 return isDeflateAllowed_; | |
141 } | |
142 | |
143 void SetGzipAllowed(bool allowed) | |
144 { | |
145 isGzipAllowed_ = allowed; | |
146 } | |
147 | |
148 bool IsGzipAllowed() const | |
149 { | |
150 return isGzipAllowed_; | |
0 | 151 } |
152 | |
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153 void SendStatus(HttpStatus status, |
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154 const char* message, |
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155 size_t messageSize); |
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156 |
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157 void SendStatus(HttpStatus status) |
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158 { |
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159 SendStatus(status, NULL, 0); |
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160 } |
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161 |
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162 void SendStatus(HttpStatus status, |
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163 const std::string& message) |
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164 { |
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165 SendStatus(status, message.c_str(), message.size()); |
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166 } |
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167 |
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168 void SetContentType(MimeType contentType) |
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169 { |
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170 stateMachine_.SetContentType(EnumerationToString(contentType)); |
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171 } |
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172 |
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173 void SetContentType(const std::string& contentType) |
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174 { |
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175 stateMachine_.SetContentType(contentType.c_str()); |
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176 } |
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177 |
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178 void SetContentFilename(const char* filename) |
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179 { |
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180 stateMachine_.SetContentFilename(filename); |
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181 } |
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182 |
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183 void SetCookie(const std::string& cookie, |
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184 const std::string& value) |
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185 { |
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186 stateMachine_.SetCookie(cookie, value); |
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187 } |
0 | 188 |
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189 void AddHeader(const std::string& key, |
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190 const std::string& value) |
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191 { |
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192 stateMachine_.AddHeader(key, value); |
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193 } |
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194 |
1521 | 195 void Answer(const void* buffer, |
196 size_t length); | |
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197 |
1521 | 198 void Answer(const std::string& str); |
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199 |
1521 | 200 void AnswerEmpty(); |
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201 |
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202 void SendMethodNotAllowed(const std::string& allowed); |
0 | 203 |
217 | 204 void Redirect(const std::string& path); |
0 | 205 |
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206 void SendUnauthorized(const std::string& realm); |
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207 |
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208 void StartMultipart(const std::string& subType, |
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209 const std::string& contentType) |
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210 { |
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211 stateMachine_.StartMultipart(subType, contentType); |
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212 } |
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213 |
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214 void SendMultipartItem(const void* item, |
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215 size_t size, |
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216 const std::map<std::string, std::string>& headers) |
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217 { |
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218 stateMachine_.SendMultipartItem(item, size, headers); |
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219 } |
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220 |
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221 void CloseMultipart() |
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222 { |
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223 stateMachine_.CloseMultipart(); |
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224 } |
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225 |
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226 bool IsWritingMultipart() const |
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227 { |
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228 return stateMachine_.GetState() == StateMachine::State_WritingMultipart; |
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229 } |
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230 |
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231 void Answer(IHttpStreamAnswer& stream); |
0 | 232 }; |
233 } |