Mercurial > hg > orthanc
annotate Core/RestApi/RestApi.cpp @ 3425:2f6dcb9c8cc1
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Jun 2019 15:21:19 +0200 |
parents | 962e5f00744b |
children | 94f4a18a79cc |
rev | line source |
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209 | 1 /** |
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) 2017-2019 Osimis S.A., Belgium |
209 | 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. | |
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. | |
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 | |
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34 #include "../PrecompiledHeaders.h" |
209 | 35 #include "RestApi.h" |
36 | |
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37 #include "../Logging.h" |
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38 |
249 | 39 #include <stdlib.h> // To define "_exit()" under Windows |
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40 #include <stdio.h> |
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41 |
209 | 42 namespace Orthanc |
43 { | |
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44 namespace |
209 | 45 { |
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46 // Anonymous namespace to avoid clashes between compilation modules |
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47 class HttpHandlerVisitor : public RestApiHierarchy::IVisitor |
209 | 48 { |
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49 private: |
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50 RestApi& api_; |
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51 RestApiOutput& output_; |
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52 RequestOrigin origin_; |
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53 const char* remoteIp_; |
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54 const char* username_; |
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55 HttpMethod method_; |
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56 const IHttpHandler::Arguments& headers_; |
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57 const IHttpHandler::Arguments& getArguments_; |
3401 | 58 const void* bodyData_; |
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59 size_t bodySize_; |
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60 |
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61 public: |
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62 HttpHandlerVisitor(RestApi& api, |
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63 RestApiOutput& output, |
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64 RequestOrigin origin, |
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65 const char* remoteIp, |
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66 const char* username, |
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67 HttpMethod method, |
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68 const IHttpHandler::Arguments& headers, |
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69 const IHttpHandler::Arguments& getArguments, |
3401 | 70 const void* bodyData, |
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71 size_t bodySize) : |
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72 api_(api), |
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73 output_(output), |
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74 origin_(origin), |
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75 remoteIp_(remoteIp), |
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76 username_(username), |
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77 method_(method), |
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78 headers_(headers), |
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79 getArguments_(getArguments), |
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80 bodyData_(bodyData), |
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81 bodySize_(bodySize) |
209 | 82 { |
83 } | |
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84 |
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85 virtual bool Visit(const RestApiHierarchy::Resource& resource, |
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86 const UriComponents& uri, |
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87 const IHttpHandler::Arguments& components, |
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88 const UriComponents& trailing) |
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89 { |
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90 if (resource.HasHandler(method_)) |
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91 { |
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92 switch (method_) |
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93 { |
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94 case HttpMethod_Get: |
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95 { |
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96 RestApiGetCall call(output_, api_, origin_, remoteIp_, username_, |
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97 headers_, components, trailing, uri, getArguments_); |
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98 resource.Handle(call); |
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99 return true; |
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100 } |
209 | 101 |
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102 case HttpMethod_Post: |
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103 { |
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104 RestApiPostCall call(output_, api_, origin_, remoteIp_, username_, |
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105 headers_, components, trailing, uri, bodyData_, bodySize_); |
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106 resource.Handle(call); |
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107 return true; |
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108 } |
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109 |
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110 case HttpMethod_Delete: |
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111 { |
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112 RestApiDeleteCall call(output_, api_, origin_, remoteIp_, username_, |
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113 headers_, components, trailing, uri); |
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114 resource.Handle(call); |
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115 return true; |
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116 } |
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117 |
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118 case HttpMethod_Put: |
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119 { |
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120 RestApiPutCall call(output_, api_, origin_, remoteIp_, username_, |
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121 headers_, components, trailing, uri, bodyData_, bodySize_); |
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122 resource.Handle(call); |
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123 return true; |
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124 } |
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125 |
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126 default: |
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127 return false; |
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128 } |
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129 } |
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130 |
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131 return false; |
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132 } |
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133 }; |
209 | 134 } |
135 | |
136 | |
137 | |
138 static void AddMethod(std::string& target, | |
139 const std::string& method) | |
140 { | |
141 if (target.size() > 0) | |
142 target += "," + method; | |
143 else | |
144 target = method; | |
145 } | |
146 | |
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147 static std::string MethodsToString(const std::set<HttpMethod>& methods) |
209 | 148 { |
149 std::string s; | |
150 | |
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151 if (methods.find(HttpMethod_Get) != methods.end()) |
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152 { |
209 | 153 AddMethod(s, "GET"); |
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154 } |
209 | 155 |
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156 if (methods.find(HttpMethod_Post) != methods.end()) |
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157 { |
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158 AddMethod(s, "POST"); |
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159 } |
209 | 160 |
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161 if (methods.find(HttpMethod_Put) != methods.end()) |
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162 { |
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163 AddMethod(s, "PUT"); |
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164 } |
209 | 165 |
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166 if (methods.find(HttpMethod_Delete) != methods.end()) |
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167 { |
209 | 168 AddMethod(s, "DELETE"); |
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169 } |
209 | 170 |
171 return s; | |
172 } | |
173 | |
174 | |
175 | |
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176 bool RestApi::Handle(HttpOutput& output, |
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177 RequestOrigin origin, |
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178 const char* remoteIp, |
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179 const char* username, |
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180 HttpMethod method, |
209 | 181 const UriComponents& uri, |
182 const Arguments& headers, | |
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183 const GetArguments& getArguments, |
3401 | 184 const void* bodyData, |
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185 size_t bodySize) |
209 | 186 { |
1368 | 187 RestApiOutput wrappedOutput(output, method); |
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188 |
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189 #if ORTHANC_ENABLE_PUGIXML == 1 |
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190 { |
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191 // Look if the client wishes XML answers instead of JSON |
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192 // http://www.w3.org/Protocols/HTTP/HTRQ_Headers.html#z3 |
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193 Arguments::const_iterator it = headers.find("accept"); |
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194 if (it != headers.end()) |
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195 { |
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196 std::vector<std::string> accepted; |
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197 Toolbox::TokenizeString(accepted, it->second, ';'); |
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198 for (size_t i = 0; i < accepted.size(); i++) |
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199 { |
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200 if (accepted[i] == MIME_XML) |
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201 { |
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202 wrappedOutput.SetConvertJsonToXml(true); |
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203 } |
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204 |
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205 if (accepted[i] == MIME_JSON) |
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206 { |
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207 wrappedOutput.SetConvertJsonToXml(false); |
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208 } |
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209 } |
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210 } |
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211 } |
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212 #endif |
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213 |
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214 Arguments compiled; |
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215 HttpToolbox::CompileGetArguments(compiled, getArguments); |
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216 |
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217 HttpHandlerVisitor visitor(*this, wrappedOutput, origin, remoteIp, username, |
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218 method, headers, compiled, bodyData, bodySize); |
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219 |
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220 if (root_.LookupResource(uri, visitor)) |
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221 { |
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222 wrappedOutput.Finalize(); |
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223 return true; |
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224 } |
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225 |
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226 std::set<HttpMethod> methods; |
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227 root_.GetAcceptedMethods(methods, uri); |
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228 |
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229 if (methods.empty()) |
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230 { |
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231 return false; // This URI is not served by this REST API |
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232 } |
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233 else |
209 | 234 { |
477 | 235 LOG(INFO) << "REST method " << EnumerationToString(method) |
416 | 236 << " not allowed on: " << Toolbox::FlattenUri(uri); |
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237 |
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238 output.SendMethodNotAllowed(MethodsToString(methods)); |
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239 |
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240 return true; |
209 | 241 } |
242 } | |
243 | |
244 void RestApi::Register(const std::string& path, | |
974 | 245 RestApiGetCall::Handler handler) |
209 | 246 { |
977 | 247 root_.Register(path, handler); |
209 | 248 } |
249 | |
250 void RestApi::Register(const std::string& path, | |
974 | 251 RestApiPutCall::Handler handler) |
209 | 252 { |
977 | 253 root_.Register(path, handler); |
209 | 254 } |
255 | |
256 void RestApi::Register(const std::string& path, | |
974 | 257 RestApiPostCall::Handler handler) |
209 | 258 { |
977 | 259 root_.Register(path, handler); |
209 | 260 } |
261 | |
262 void RestApi::Register(const std::string& path, | |
974 | 263 RestApiDeleteCall::Handler handler) |
209 | 264 { |
977 | 265 root_.Register(path, handler); |
209 | 266 } |
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267 |
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268 void RestApi::AutoListChildren(RestApiGetCall& call) |
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269 { |
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270 RestApi& context = call.GetContext(); |
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271 |
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272 Json::Value directory; |
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273 if (context.root_.GetDirectory(directory, call.GetFullUri())) |
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274 { |
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275 call.GetOutput().AnswerJson(directory); |
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276 } |
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277 } |
209 | 278 } |