Mercurial > hg > orthanc
annotate Core/HttpServer/HttpOutput.h @ 2147:8466aa60544a
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 09 Nov 2016 17:37:47 +0100 |
parents | 5a8840920121 |
children | a3a65de1840f |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
0 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
136 | 10 * |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
0 | 22 * |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #pragma once | |
34 | |
2142 | 35 #include "../Enumerations.h" |
36 #include "IHttpOutputStream.h" | |
37 #include "IHttpStreamAnswer.h" | |
38 | |
330 | 39 #include <list> |
0 | 40 #include <string> |
41 #include <stdint.h> | |
2142 | 42 #include <map> |
0 | 43 |
59 | 44 namespace Orthanc |
0 | 45 { |
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46 class HttpOutput : public boost::noncopyable |
0 | 47 { |
48 private: | |
330 | 49 typedef std::list< std::pair<std::string, std::string> > Header; |
50 | |
910 | 51 class StateMachine : public boost::noncopyable |
52 { | |
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53 public: |
910 | 54 enum State |
55 { | |
56 State_WritingHeader, | |
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57 State_WritingBody, |
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58 State_WritingMultipart, |
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59 State_Done |
910 | 60 }; |
61 | |
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62 private: |
910 | 63 IHttpOutputStream& stream_; |
64 State state_; | |
65 | |
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66 HttpStatus status_; |
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67 bool hasContentLength_; |
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68 uint64_t contentLength_; |
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69 uint64_t contentPosition_; |
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70 bool keepAlive_; |
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71 std::list<std::string> headers_; |
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72 |
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73 std::string multipartBoundary_; |
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74 std::string multipartContentType_; |
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75 |
910 | 76 public: |
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77 StateMachine(IHttpOutputStream& stream, |
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78 bool isKeepAlive); |
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79 |
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80 ~StateMachine(); |
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81 |
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82 void SetHttpStatus(HttpStatus status); |
910 | 83 |
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84 void SetContentLength(uint64_t length); |
910 | 85 |
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86 void SetContentType(const char* contentType); |
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87 |
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88 void SetContentFilename(const char* filename); |
910 | 89 |
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90 void SetCookie(const std::string& cookie, |
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91 const std::string& value); |
910 | 92 |
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93 void AddHeader(const std::string& header, |
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94 const std::string& value); |
910 | 95 |
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96 void ClearHeaders(); |
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97 |
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98 void SendBody(const void* buffer, size_t length); |
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99 |
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100 void StartMultipart(const std::string& subType, |
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101 const std::string& contentType); |
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102 |
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103 void SendMultipartItem(const void* item, |
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104 size_t length, |
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105 const std::map<std::string, std::string>& headers); |
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106 |
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107 void CloseMultipart(); |
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108 |
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109 void CloseBody(); |
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110 |
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111 State GetState() const |
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112 { |
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113 return state_; |
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114 } |
910 | 115 }; |
116 | |
117 StateMachine stateMachine_; | |
1517 | 118 bool isDeflateAllowed_; |
119 bool isGzipAllowed_; | |
120 | |
121 HttpCompression GetPreferredCompression(size_t bodySize) const; | |
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122 |
0 | 123 public: |
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124 HttpOutput(IHttpOutputStream& stream, |
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125 bool isKeepAlive) : |
1517 | 126 stateMachine_(stream, isKeepAlive), |
127 isDeflateAllowed_(false), | |
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128 isGzipAllowed_(false) |
1517 | 129 { |
130 } | |
131 | |
132 void SetDeflateAllowed(bool allowed) | |
0 | 133 { |
1517 | 134 isDeflateAllowed_ = allowed; |
135 } | |
136 | |
137 bool IsDeflateAllowed() const | |
138 { | |
139 return isDeflateAllowed_; | |
140 } | |
141 | |
142 void SetGzipAllowed(bool allowed) | |
143 { | |
144 isGzipAllowed_ = allowed; | |
145 } | |
146 | |
147 bool IsGzipAllowed() const | |
148 { | |
149 return isGzipAllowed_; | |
0 | 150 } |
151 | |
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152 void SendStatus(HttpStatus status, |
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153 const char* message, |
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154 size_t messageSize); |
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155 |
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156 void SendStatus(HttpStatus status) |
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157 { |
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158 SendStatus(status, NULL, 0); |
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159 } |
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160 |
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161 void SendStatus(HttpStatus status, |
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162 const std::string& message) |
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163 { |
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164 SendStatus(status, message.c_str(), message.size()); |
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165 } |
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166 |
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167 void SetContentType(const char* contentType) |
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168 { |
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169 stateMachine_.SetContentType(contentType); |
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170 } |
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171 |
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172 void SetContentFilename(const char* filename) |
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173 { |
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174 stateMachine_.SetContentFilename(filename); |
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175 } |
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176 |
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177 void SetCookie(const std::string& cookie, |
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178 const std::string& value) |
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179 { |
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180 stateMachine_.SetCookie(cookie, value); |
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181 } |
0 | 182 |
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183 void AddHeader(const std::string& key, |
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184 const std::string& value) |
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185 { |
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186 stateMachine_.AddHeader(key, value); |
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187 } |
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188 |
1521 | 189 void Answer(const void* buffer, |
190 size_t length); | |
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191 |
1521 | 192 void Answer(const std::string& str); |
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193 |
1521 | 194 void AnswerEmpty(); |
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195 |
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196 void SendMethodNotAllowed(const std::string& allowed); |
0 | 197 |
217 | 198 void Redirect(const std::string& path); |
0 | 199 |
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200 void SendUnauthorized(const std::string& realm); |
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201 |
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202 void StartMultipart(const std::string& subType, |
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203 const std::string& contentType) |
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204 { |
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205 stateMachine_.StartMultipart(subType, contentType); |
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206 } |
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207 |
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208 void SendMultipartItem(const void* item, |
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209 size_t size, |
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210 const std::map<std::string, std::string>& headers) |
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211 { |
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212 stateMachine_.SendMultipartItem(item, size, headers); |
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213 } |
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214 |
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215 void CloseMultipart() |
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216 { |
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217 stateMachine_.CloseMultipart(); |
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218 } |
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219 |
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220 bool IsWritingMultipart() const |
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221 { |
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222 return stateMachine_.GetState() == StateMachine::State_WritingMultipart; |
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223 } |
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224 |
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225 void Answer(IHttpStreamAnswer& stream); |
0 | 226 }; |
227 } |