Mercurial > hg > orthanc
annotate Core/HttpServer/MultipartStreamReader.h @ 4013:1e9f6d706237
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author | Alain Mazy <alain@mazy.be> |
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date | Mon, 08 Jun 2020 16:10:09 +0200 |
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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) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU General Public License as |
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9 * published by the Free Software Foundation, either version 3 of the |
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10 * License, or (at your option) any later version. |
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11 * |
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12 * In addition, as a special exception, the copyright holders of this |
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13 * program give permission to link the code of its release with the |
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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15 * that use the same license as the "OpenSSL" library), and distribute |
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16 * the linked executables. You must obey the GNU General Public License |
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17 * in all respects for all of the code used other than "OpenSSL". If you |
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18 * modify file(s) with this exception, you may extend this exception to |
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19 * your version of the file(s), but you are not obligated to do so. If |
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20 * you do not wish to do so, delete this exception statement from your |
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21 * version. If you delete this exception statement from all source files |
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22 * in the program, then also delete it here. |
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23 * |
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24 * This program is distributed in the hope that it will be useful, but |
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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27 * General Public License for more details. |
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28 * |
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29 * You should have received a copy of the GNU General Public License |
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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31 **/ |
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32 |
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33 |
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34 #pragma once |
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35 |
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36 #include "StringMatcher.h" |
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37 #include "../ChunkedBuffer.h" |
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38 |
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39 #include <map> |
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40 |
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41 namespace Orthanc |
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42 { |
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43 class ORTHANC_PUBLIC MultipartStreamReader : public boost::noncopyable |
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44 { |
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45 public: |
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46 typedef std::map<std::string, std::string> HttpHeaders; |
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47 |
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48 class IHandler : public boost::noncopyable |
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49 { |
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50 public: |
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51 virtual ~IHandler() |
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52 { |
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53 } |
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54 |
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55 virtual void HandlePart(const HttpHeaders& headers, |
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56 const void* part, |
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57 size_t size) = 0; |
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58 }; |
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59 |
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60 private: |
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61 enum State |
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62 { |
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63 State_UnusedArea, |
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64 State_Content, |
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65 State_Done |
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66 }; |
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67 |
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68 State state_; |
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69 IHandler* handler_; |
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70 StringMatcher headersMatcher_; |
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71 StringMatcher boundaryMatcher_; |
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72 ChunkedBuffer buffer_; |
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73 size_t blockSize_; |
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74 |
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75 void ParseStream(); |
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76 |
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77 public: |
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78 MultipartStreamReader(const std::string& boundary); |
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79 |
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80 void SetBlockSize(size_t size); |
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81 |
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82 size_t GetBlockSize() const |
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83 { |
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84 return blockSize_; |
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85 } |
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86 |
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87 void SetHandler(IHandler& handler) |
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88 { |
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89 handler_ = &handler; |
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90 } |
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91 |
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92 void AddChunk(const void* chunk, |
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93 size_t size); |
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94 |
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95 void AddChunk(const std::string& chunk); |
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96 |
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97 void CloseStream(); |
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98 |
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99 static bool GetMainContentType(std::string& contentType, |
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100 const HttpHeaders& headers); |
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101 |
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102 static bool ParseMultipartContentType(std::string& contentType, |
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103 std::string& subType, // Possibly empty |
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104 std::string& boundary, |
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105 const std::string& contentTypeHeader); |
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106 }; |
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107 } |