Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GenericOracleRunner.cpp @ 1104:98cdfe5768a4 broker
ReadFileCommand
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 26 Oct 2019 16:43:08 +0200 |
| parents | 17660df24c36 |
| children | b82b74d13830 |
| rev | line source |
|---|---|
| 1077 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "GenericOracleRunner.h" | |
| 23 | |
| 24 #include "CustomOracleCommand.h" | |
| 25 #include "GetOrthancImageCommand.h" | |
| 26 #include "GetOrthancWebViewerJpegCommand.h" | |
| 27 #include "HttpCommand.h" | |
| 28 #include "OracleCommandExceptionMessage.h" | |
| 29 #include "OrthancRestApiCommand.h" | |
| 1104 | 30 #include "ReadFileCommand.h" |
| 1077 | 31 |
| 32 #include <Core/Compression/GzipCompressor.h> | |
| 33 #include <Core/HttpClient.h> | |
| 34 #include <Core/OrthancException.h> | |
| 35 #include <Core/Toolbox.h> | |
| 1104 | 36 #include <Core/SystemToolbox.h> |
| 37 | |
| 38 #include <boost/filesystem.hpp> | |
| 1077 | 39 |
| 40 namespace OrthancStone | |
| 41 { | |
| 42 static void CopyHttpHeaders(Orthanc::HttpClient& client, | |
| 43 const Orthanc::HttpClient::HttpHeaders& headers) | |
| 44 { | |
| 45 for (Orthanc::HttpClient::HttpHeaders::const_iterator | |
| 46 it = headers.begin(); it != headers.end(); it++ ) | |
| 47 { | |
| 48 client.AddHeader(it->first, it->second); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 | |
| 53 static void DecodeAnswer(std::string& answer, | |
| 54 const Orthanc::HttpClient::HttpHeaders& headers) | |
| 55 { | |
| 56 Orthanc::HttpCompression contentEncoding = Orthanc::HttpCompression_None; | |
| 57 | |
| 58 for (Orthanc::HttpClient::HttpHeaders::const_iterator it = headers.begin(); | |
| 59 it != headers.end(); ++it) | |
| 60 { | |
| 61 std::string s; | |
| 62 Orthanc::Toolbox::ToLowerCase(s, it->first); | |
| 63 | |
| 64 if (s == "content-encoding") | |
| 65 { | |
| 66 if (it->second == "gzip") | |
| 67 { | |
| 68 contentEncoding = Orthanc::HttpCompression_Gzip; | |
| 69 } | |
| 70 else | |
| 71 { | |
| 72 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol, | |
| 73 "Unsupported HTTP Content-Encoding: " + it->second); | |
| 74 } | |
| 75 | |
| 76 break; | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 if (contentEncoding == Orthanc::HttpCompression_Gzip) | |
| 81 { | |
| 82 std::string compressed; | |
| 83 answer.swap(compressed); | |
| 84 | |
| 85 Orthanc::GzipCompressor compressor; | |
| 86 compressor.Uncompress(answer, compressed.c_str(), compressed.size()); | |
| 87 | |
| 88 LOG(INFO) << "Uncompressing gzip Encoding: from " << compressed.size() | |
| 89 << " to " << answer.size() << " bytes"; | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
94 static IMessage* Execute(const HttpCommand& command) |
| 1077 | 95 { |
| 96 Orthanc::HttpClient client; | |
| 97 client.SetUrl(command.GetUrl()); | |
| 98 client.SetMethod(command.GetMethod()); | |
| 99 client.SetTimeout(command.GetTimeout()); | |
| 100 | |
| 101 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 102 | |
|
1079
e6d2ff8f1ab4
credentials in HttpCommand
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1077
diff
changeset
|
103 if (command.HasCredentials()) |
|
e6d2ff8f1ab4
credentials in HttpCommand
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1077
diff
changeset
|
104 { |
|
e6d2ff8f1ab4
credentials in HttpCommand
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1077
diff
changeset
|
105 client.SetCredentials(command.GetUsername().c_str(), command.GetPassword().c_str()); |
|
e6d2ff8f1ab4
credentials in HttpCommand
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1077
diff
changeset
|
106 } |
|
e6d2ff8f1ab4
credentials in HttpCommand
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1077
diff
changeset
|
107 |
| 1077 | 108 if (command.GetMethod() == Orthanc::HttpMethod_Post || |
| 109 command.GetMethod() == Orthanc::HttpMethod_Put) | |
| 110 { | |
| 111 client.SetBody(command.GetBody()); | |
| 112 } | |
| 113 | |
| 114 std::string answer; | |
| 115 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 116 client.ApplyAndThrowException(answer, answerHeaders); | |
| 117 | |
| 118 DecodeAnswer(answer, answerHeaders); | |
| 119 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
120 return new HttpCommand::SuccessMessage(command, answerHeaders, answer); |
| 1077 | 121 } |
| 122 | |
| 123 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
124 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
|
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
125 const OrthancRestApiCommand& command) |
| 1077 | 126 { |
| 127 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 128 client.SetMethod(command.GetMethod()); | |
| 129 client.SetTimeout(command.GetTimeout()); | |
| 130 | |
| 131 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 132 | |
| 133 if (command.GetMethod() == Orthanc::HttpMethod_Post || | |
| 134 command.GetMethod() == Orthanc::HttpMethod_Put) | |
| 135 { | |
| 136 client.SetBody(command.GetBody()); | |
| 137 } | |
| 138 | |
| 139 std::string answer; | |
| 140 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 141 client.ApplyAndThrowException(answer, answerHeaders); | |
| 142 | |
| 143 DecodeAnswer(answer, answerHeaders); | |
| 144 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
145 return new OrthancRestApiCommand::SuccessMessage(command, answerHeaders, answer); |
| 1077 | 146 } |
| 147 | |
| 148 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
149 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
|
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
150 const GetOrthancImageCommand& command) |
| 1077 | 151 { |
| 152 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 153 client.SetTimeout(command.GetTimeout()); | |
| 154 | |
| 155 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 156 | |
| 157 std::string answer; | |
| 158 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 159 client.ApplyAndThrowException(answer, answerHeaders); | |
| 160 | |
| 161 DecodeAnswer(answer, answerHeaders); | |
| 162 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
163 return command.ProcessHttpAnswer(answer, answerHeaders); |
| 1077 | 164 } |
| 165 | |
| 166 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
167 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
|
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
168 const GetOrthancWebViewerJpegCommand& command) |
| 1077 | 169 { |
| 170 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 171 client.SetTimeout(command.GetTimeout()); | |
| 172 | |
| 173 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 174 | |
| 175 std::string answer; | |
| 176 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 177 client.ApplyAndThrowException(answer, answerHeaders); | |
| 178 | |
| 179 DecodeAnswer(answer, answerHeaders); | |
| 180 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
181 return command.ProcessHttpAnswer(answer); |
| 1077 | 182 } |
| 183 | |
| 184 | |
| 1104 | 185 static IMessage* Execute(const std::string& root, |
| 186 const ReadFileCommand& command) | |
| 187 { | |
| 188 boost::filesystem::path a(root); | |
| 189 boost::filesystem::path b(command.GetPath()); | |
| 190 | |
| 191 boost::filesystem::path path; | |
| 192 if (b.is_absolute()) | |
| 193 { | |
| 194 path = b; | |
| 195 } | |
| 196 else | |
| 197 { | |
| 198 path = a / b; | |
| 199 } | |
| 200 | |
| 201 std::string content; | |
| 202 Orthanc::SystemToolbox::ReadFile(content, path.string(), true /* log */); | |
| 203 | |
| 204 return new ReadFileCommand::SuccessMessage(command, content); | |
| 205 } | |
| 206 | |
| 207 | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
208 IMessage* GenericOracleRunner::Run(IOracleCommand& command) |
| 1077 | 209 { |
| 210 try | |
| 211 { | |
| 212 switch (command.GetType()) | |
| 213 { | |
| 214 case IOracleCommand::Type_Sleep: | |
| 215 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadParameterType, | |
| 216 "Sleep command cannot be executed by the runner"); | |
| 217 | |
| 218 case IOracleCommand::Type_Http: | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
219 return Execute(dynamic_cast<const HttpCommand&>(command)); |
| 1077 | 220 |
| 221 case IOracleCommand::Type_OrthancRestApi: | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
222 return Execute(orthanc_, dynamic_cast<const OrthancRestApiCommand&>(command)); |
| 1077 | 223 |
| 224 case IOracleCommand::Type_GetOrthancImage: | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
225 return Execute(orthanc_, dynamic_cast<const GetOrthancImageCommand&>(command)); |
| 1077 | 226 |
| 227 case IOracleCommand::Type_GetOrthancWebViewerJpeg: | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
228 return Execute(orthanc_, dynamic_cast<const GetOrthancWebViewerJpegCommand&>(command)); |
| 1077 | 229 |
| 230 case IOracleCommand::Type_Custom: | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
231 return dynamic_cast<CustomOracleCommand&>(command).Execute(*this); |
| 1077 | 232 |
| 1104 | 233 case IOracleCommand::Type_ReadFile: |
| 234 return Execute(rootDirectory_, dynamic_cast<const ReadFileCommand&>(command)); | |
| 235 | |
| 1077 | 236 default: |
| 237 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 238 } | |
| 239 } | |
| 240 catch (Orthanc::OrthancException& e) | |
| 241 { | |
| 242 LOG(ERROR) << "Exception within the oracle: " << e.What(); | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
243 return new OracleCommandExceptionMessage(command, e); |
| 1077 | 244 } |
| 245 catch (...) | |
| 246 { | |
| 247 LOG(ERROR) << "Threaded exception within the oracle"; | |
|
1098
17660df24c36
simplification of IOracleRunner
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1079
diff
changeset
|
248 return new OracleCommandExceptionMessage(command, Orthanc::ErrorCode_InternalError); |
| 1077 | 249 } |
| 250 } | |
| 251 } |