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annotate OrthancFramework/Sources/HttpServer/StringHttpOutput.cpp @ 5474:6cb91df32207 Orthanc-1.12.2

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Orthanc-1.12.2
author Alain Mazy <am@osimis.io>
date Tue, 19 Dec 2023 10:05:57 +0100
parents 0ea402b4d901
children 48b8dae6dc77
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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 Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the 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 * Lesser 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 Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #include "../PrecompiledHeaders.h"
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25 #include "StringHttpOutput.h"
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26
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27 #include "../OrthancException.h"
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28 #include "../Toolbox.h"
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29
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30 namespace Orthanc
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31 {
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32 StringHttpOutput::StringHttpOutput() :
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33 status_(HttpStatus_404_NotFound),
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34 validBody_(true),
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35 validHeaders_(true)
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36 {
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37 }
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38
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39
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40 void StringHttpOutput::Send(bool isHeader, const void* buffer, size_t length)
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41 {
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42 if (isHeader)
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43 {
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44 if (validHeaders_)
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45 {
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46 headers_.AddChunk(buffer, length);
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47 }
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48 else
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49 {
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50 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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51 }
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52 }
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53 else
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54 {
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55 if (validBody_)
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56 {
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57 body_.AddChunk(buffer, length);
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58 }
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59 else
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60 {
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61 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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62 }
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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 void StringHttpOutput::GetBody(std::string& output)
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68 {
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69 if (!validBody_)
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70 {
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71 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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72 }
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73 else if (status_ == HttpStatus_200_Ok)
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74 {
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75 body_.Flatten(output);
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76 validBody_ = false;
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77 }
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78 else
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79 {
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80 throw OrthancException(ErrorCode_UnknownResource);
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81 }
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82 }
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84
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85 void StringHttpOutput::GetHeaders(std::map<std::string, std::string>& target,
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86 bool keyToLowerCase)
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87 {
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88 if (!validHeaders_)
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89 {
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90 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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91 }
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92 else
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93 {
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94 std::string s;
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95 headers_.Flatten(s);
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96 validHeaders_ = false;
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97
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98 std::vector<std::string> lines;
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99 Orthanc::Toolbox::TokenizeString(lines, s, '\n');
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100
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101 target.clear();
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102
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103 for (size_t i = 1 /* skip the HTTP status line */; i < lines.size(); i++)
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104 {
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105 size_t colon = lines[i].find(':');
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106 if (colon != std::string::npos)
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107 {
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108 std::string key = lines[i].substr(0, colon);
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109
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110 if (keyToLowerCase)
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111 {
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112 Toolbox::ToLowerCase(key);
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113 }
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114
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115 const std::string value = lines[i].substr(colon + 1);
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116 target[Toolbox::StripSpaces(key)] = Toolbox::StripSpaces(value);
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117 }
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118 }
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119 }
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120 }
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121 }