Mercurial > hg > orthanc
annotate Core/RestApi/RestApi.h @ 330:78a8eaa5f30b
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 09 Jan 2013 11:41:13 +0100 |
parents | 4eea080e6e7a |
children | 5a96dac27959 |
rev | line source |
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209 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
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. | |
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. | |
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 | |
35 #include "../HttpServer/HttpHandler.h" | |
36 #include "RestApiPath.h" | |
37 #include "RestApiOutput.h" | |
38 | |
217 | 39 #include <list> |
40 | |
209 | 41 namespace Orthanc |
42 { | |
43 class RestApi : public HttpHandler | |
44 { | |
45 private: | |
46 class SharedCall | |
47 { | |
48 friend class RestApi; | |
49 | |
50 private: | |
51 RestApiOutput* output_; | |
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52 RestApi* context_; |
209 | 53 const HttpHandler::Arguments* httpHeaders_; |
54 const RestApiPath::Components* uriComponents_; | |
55 const UriComponents* trailing_; | |
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56 const UriComponents* fullUri_; |
209 | 57 |
304 | 58 protected: |
59 static bool ParseJsonRequestInternal(Json::Value& result, | |
60 const char* request); | |
61 | |
209 | 62 public: |
63 RestApiOutput& GetOutput() | |
64 { | |
65 return *output_; | |
66 } | |
67 | |
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68 RestApi& GetContext() |
209 | 69 { |
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70 return *context_; |
209 | 71 } |
72 | |
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73 const UriComponents& GetFullUri() const |
209 | 74 { |
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75 return *fullUri_; |
209 | 76 } |
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77 |
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78 const UriComponents& GetTrailingUri() const |
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79 { |
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80 return *trailing_; |
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81 } |
209 | 82 |
83 std::string GetUriComponent(const std::string& name, | |
231 | 84 const std::string& defaultValue) const |
209 | 85 { |
86 return HttpHandler::GetArgument(*uriComponents_, name, defaultValue); | |
87 } | |
212 | 88 |
89 std::string GetHttpHeader(const std::string& name, | |
231 | 90 const std::string& defaultValue) const |
212 | 91 { |
92 return HttpHandler::GetArgument(*httpHeaders_, name, defaultValue); | |
93 } | |
304 | 94 |
330 | 95 void ParseCookies(HttpHandler::Arguments& result) const |
96 { | |
97 HttpHandler::ParseCookies(result, *httpHeaders_); | |
98 } | |
99 | |
304 | 100 virtual bool ParseJsonRequest(Json::Value& result) const = 0; |
209 | 101 }; |
102 | |
103 | |
104 public: | |
105 class GetCall : public SharedCall | |
106 { | |
107 friend class RestApi; | |
108 | |
109 private: | |
110 const HttpHandler::Arguments* getArguments_; | |
111 | |
112 public: | |
113 std::string GetArgument(const std::string& name, | |
231 | 114 const std::string& defaultValue) const |
209 | 115 { |
116 return HttpHandler::GetArgument(*getArguments_, name, defaultValue); | |
117 } | |
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118 |
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119 bool HasArgument(const std::string& name) const |
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120 { |
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121 return getArguments_->find(name) != getArguments_->end(); |
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122 } |
304 | 123 |
124 virtual bool ParseJsonRequest(Json::Value& result) const; | |
209 | 125 }; |
126 | |
127 class PutCall : public SharedCall | |
128 { | |
129 friend class RestApi; | |
130 | |
131 private: | |
132 const std::string* data_; | |
133 | |
134 public: | |
304 | 135 const std::string& GetPutBody() const |
209 | 136 { |
137 return *data_; | |
138 } | |
304 | 139 |
140 virtual bool ParseJsonRequest(Json::Value& result) const | |
141 { | |
142 return ParseJsonRequestInternal(result, GetPutBody().c_str()); | |
143 } | |
209 | 144 }; |
145 | |
146 class PostCall : public SharedCall | |
147 { | |
148 friend class RestApi; | |
149 | |
150 private: | |
151 const std::string* data_; | |
152 | |
153 public: | |
304 | 154 const std::string& GetPostBody() const |
209 | 155 { |
156 return *data_; | |
157 } | |
304 | 158 |
159 virtual bool ParseJsonRequest(Json::Value& result) const | |
160 { | |
161 return ParseJsonRequestInternal(result, GetPostBody().c_str()); | |
162 } | |
209 | 163 }; |
164 | |
165 class DeleteCall : public SharedCall | |
166 { | |
304 | 167 public: |
168 virtual bool ParseJsonRequest(Json::Value& result) const | |
169 { | |
170 result.clear(); | |
171 return true; | |
172 } | |
209 | 173 }; |
174 | |
175 typedef void (*GetHandler) (GetCall& call); | |
176 | |
177 typedef void (*DeleteHandler) (DeleteCall& call); | |
178 | |
179 typedef void (*PutHandler) (PutCall& call); | |
180 | |
181 typedef void (*PostHandler) (PostCall& call); | |
182 | |
183 private: | |
184 typedef std::list< std::pair<RestApiPath*, GetHandler> > GetHandlers; | |
185 typedef std::list< std::pair<RestApiPath*, PutHandler> > PutHandlers; | |
186 typedef std::list< std::pair<RestApiPath*, PostHandler> > PostHandlers; | |
187 typedef std::list< std::pair<RestApiPath*, DeleteHandler> > DeleteHandlers; | |
188 | |
189 GetHandlers getHandlers_; | |
190 PutHandlers putHandlers_; | |
191 PostHandlers postHandlers_; | |
192 DeleteHandlers deleteHandlers_; | |
193 | |
194 bool IsGetAccepted(const UriComponents& uri); | |
195 bool IsPutAccepted(const UriComponents& uri); | |
196 bool IsPostAccepted(const UriComponents& uri); | |
197 bool IsDeleteAccepted(const UriComponents& uri); | |
198 | |
199 std::string GetAcceptedMethods(const UriComponents& uri); | |
200 | |
201 public: | |
202 RestApi() | |
203 { | |
204 } | |
205 | |
206 ~RestApi(); | |
207 | |
208 virtual bool IsServedUri(const UriComponents& uri); | |
209 | |
210 virtual void Handle(HttpOutput& output, | |
211 const std::string& method, | |
212 const UriComponents& uri, | |
213 const Arguments& headers, | |
214 const Arguments& getArguments, | |
215 const std::string& postData); | |
216 | |
217 void Register(const std::string& path, | |
218 GetHandler handler); | |
219 | |
220 void Register(const std::string& path, | |
221 PutHandler handler); | |
222 | |
223 void Register(const std::string& path, | |
224 PostHandler handler); | |
225 | |
226 void Register(const std::string& path, | |
227 DeleteHandler handler); | |
228 }; | |
229 } |