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annotate OrthancServer/Sources/EmbeddedResourceHttpHandler.cpp @ 5406:aaf7c49a9ddc am-http-compression

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tentative to implement smart HTTP compression with detection of transfer syntax
author Alain Mazy <am@osimis.io>
date Sat, 04 Nov 2023 13:42:30 +0100
parents 0ea402b4d901
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU General Public License as
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10 * published by the Free Software Foundation, either version 3 of the
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11 * License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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23 #include "PrecompiledHeadersServer.h"
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24 #include "EmbeddedResourceHttpHandler.h"
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25
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26 #include "../../OrthancFramework/Sources/HttpServer/HttpOutput.h"
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27 #include "../../OrthancFramework/Sources/Logging.h"
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28 #include "../../OrthancFramework/Sources/OrthancException.h"
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29 #include "../../OrthancFramework/Sources/SystemToolbox.h"
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31
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32 namespace Orthanc
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33 {
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34 EmbeddedResourceHttpHandler::EmbeddedResourceHttpHandler(
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35 const std::string& baseUri,
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36 ServerResources::DirectoryResourceId resourceId)
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37 {
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38 Toolbox::SplitUriComponents(baseUri_, baseUri);
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39 resourceId_ = resourceId;
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40 }
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42
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43 bool EmbeddedResourceHttpHandler::Handle(
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44 HttpOutput& output,
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45 RequestOrigin /*origin*/,
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46 const char* /*remoteIp*/,
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47 const char* /*username*/,
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48 HttpMethod method,
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49 const UriComponents& uri,
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50 const HttpToolbox::Arguments& headers,
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51 const HttpToolbox::GetArguments& arguments,
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52 const void* /*bodyData*/,
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53 size_t /*bodySize*/)
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54 {
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55 if (!Toolbox::IsChildUri(baseUri_, uri))
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56 {
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57 // This URI is not served by this handler
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58 return false;
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59 }
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60
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61 if (method != HttpMethod_Get)
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62 {
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63 output.SendMethodNotAllowed("GET");
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64 return true;
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65 }
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67 std::string resourcePath = Toolbox::FlattenUri(uri, baseUri_.size());
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68 MimeType contentType = SystemToolbox::AutodetectMimeType(resourcePath);
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70 try
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71 {
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72 const void* buffer = ServerResources::GetDirectoryResourceBuffer(resourceId_, resourcePath.c_str());
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73 size_t size = ServerResources::GetDirectoryResourceSize(resourceId_, resourcePath.c_str());
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74
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75 output.SetContentType(contentType);
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76 output.SetContentCompression(SystemToolbox::GuessContentCompression(contentType));
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77 output.Answer(buffer, size);
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78 }
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79 catch (OrthancException&)
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80 {
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81 LOG(WARNING) << "Unable to find HTTP resource: " << resourcePath;
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82 output.SendStatus(HttpStatus_404_NotFound);
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83 }
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85 return true;
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86 }
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87 }