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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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136
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include <string>
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36 #include <stdint.h>
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37 #include "../Enumerations.h"
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38 #include "../FileStorage.h"
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39
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40 namespace Orthanc
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41 {
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42 class HttpOutput
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43 {
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44 private:
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45 void SendHeaderInternal(Orthanc_HttpStatus status);
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46
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47 void SendOkHeader(const char* contentType,
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48 bool hasContentLength,
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8
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49 uint64_t contentLength);
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50
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51 public:
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52 virtual ~HttpOutput()
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53 {
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54 }
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55
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56 virtual void Send(const void* buffer, size_t length) = 0;
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57
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58 void SendString(const std::string& s);
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59
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60 void SendOkHeader();
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61
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62 void SendOkHeader(uint64_t contentLength);
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63
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64 void SendOkHeader(const std::string& contentType);
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65
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66 void SendOkHeader(const std::string& contentType,
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67 uint64_t contentLength);
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68
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69 void SendMethodNotAllowedError(const std::string& allowed);
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70
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71 void SendHeader(Orthanc_HttpStatus status);
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72
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73
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74 // Higher-level constructs to send entire files or buffers -------------------
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75
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76 void AnswerBuffer(const std::string& buffer)
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77 {
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78 AnswerBufferWithContentType(buffer, "");
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79 }
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80
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81 void AnswerBufferWithContentType(const std::string& buffer,
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82 const std::string& contentType);
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83
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84 void AnswerBufferWithContentType(const void* buffer,
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85 size_t size,
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86 const std::string& contentType);
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87
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88 void AnswerFile(const std::string& path)
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89 {
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90 AnswerFileWithContentType(path, "");
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91 }
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92
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93 void AnswerFileWithContentType(const std::string& path,
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94 const std::string& contentType);
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95
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96 void AnswerFileAutodetectContentType(const std::string& path);
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97
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98 void AnswerFile(const FileStorage& storage,
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99 const std::string& uuid)
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100 {
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101 AnswerFile(storage, uuid, "");
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102 }
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103
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104 void AnswerFile(const FileStorage& storage,
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105 const std::string& uuid,
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106 const std::string& contentType);
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107
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108 void Redirect(const std::string& path);
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109 };
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110 }
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