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annotate OrthancFramework/Sources/HttpServer/StringHttpOutput.cpp @ 5853:4d932683049d get-scu tip

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very first implementation of C-Get SCU
author Alain Mazy <am@orthanc.team>
date Tue, 29 Oct 2024 17:25:49 +0100
parents f7adfb22e20e
children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
1900
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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) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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25 #include "../PrecompiledHeaders.h"
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26 #include "StringHttpOutput.h"
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27
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28 #include "../OrthancException.h"
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29 #include "../Toolbox.h"
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30
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31 namespace Orthanc
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32 {
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33 StringHttpOutput::StringHttpOutput() :
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34 status_(HttpStatus_404_NotFound),
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35 validBody_(true),
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36 validHeaders_(true)
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37 {
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38 }
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41 void StringHttpOutput::Send(bool isHeader, const void* buffer, size_t length)
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42 {
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43 if (isHeader)
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44 {
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45 if (validHeaders_)
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46 {
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47 headers_.AddChunk(buffer, length);
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48 }
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49 else
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50 {
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51 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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52 }
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53 }
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54 else
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55 {
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56 if (validBody_)
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57 {
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58 body_.AddChunk(buffer, length);
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59 }
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60 else
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61 {
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62 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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63 }
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64 }
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65 }
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66
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67
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68 void StringHttpOutput::GetBody(std::string& output)
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69 {
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70 if (!validBody_)
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71 {
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72 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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73 }
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74 else if (status_ == HttpStatus_200_Ok)
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75 {
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76 body_.Flatten(output);
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77 validBody_ = false;
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78 }
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79 else
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80 {
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81 throw OrthancException(ErrorCode_UnknownResource);
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82 }
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83 }
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86 void StringHttpOutput::GetHeaders(std::map<std::string, std::string>& target,
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87 bool keyToLowerCase)
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88 {
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89 if (!validHeaders_)
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90 {
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91 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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92 }
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93 else
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94 {
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95 std::string s;
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96 headers_.Flatten(s);
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97 validHeaders_ = false;
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98
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99 std::vector<std::string> lines;
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100 Orthanc::Toolbox::TokenizeString(lines, s, '\n');
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101
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102 target.clear();
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103
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104 for (size_t i = 1 /* skip the HTTP status line */; i < lines.size(); i++)
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105 {
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106 size_t colon = lines[i].find(':');
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107 if (colon != std::string::npos)
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108 {
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109 std::string key = lines[i].substr(0, colon);
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110
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111 if (keyToLowerCase)
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112 {
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113 Toolbox::ToLowerCase(key);
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114 }
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115
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116 const std::string value = lines[i].substr(colon + 1);
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117 target[Toolbox::StripSpaces(key)] = Toolbox::StripSpaces(value);
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118 }
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119 }
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120 }
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121 }
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122 }