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209
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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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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 #include "RestApiPath.h"
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34
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35 #include <cassert>
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36
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37 namespace Orthanc
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38 {
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39 RestApiPath::RestApiPath(const std::string& uri)
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40 {
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41 Toolbox::SplitUriComponents(uri_, uri);
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42
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43 if (uri_.size() == 0)
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44 {
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45 return;
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46 }
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47
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48 if (uri_.back() == "*")
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49 {
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50 hasTrailing_ = true;
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51 uri_.pop_back();
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52 }
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53 else
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54 {
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55 hasTrailing_ = false;
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56 }
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57
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58 components_.resize(uri_.size());
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59 for (size_t i = 0; i < uri_.size(); i++)
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60 {
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61 size_t s = uri_[i].size();
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62 assert(s > 0);
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63
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64 if (uri_[i][0] == '{' &&
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65 uri_[i][s - 1] == '}')
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66 {
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67 components_[i] = uri_[i].substr(1, s - 2);
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68 uri_[i] = "";
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69 }
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70 else
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71 {
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72 components_[i] = "";
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73 }
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74 }
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75 }
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76
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77 bool RestApiPath::Match(Components& components,
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78 UriComponents& trailing,
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79 const std::string& uriRaw) const
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80 {
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81 UriComponents uri;
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82 Toolbox::SplitUriComponents(uri, uriRaw);
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83 return Match(components, trailing, uri);
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84 }
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85
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86 bool RestApiPath::Match(Components& components,
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87 UriComponents& trailing,
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88 const UriComponents& uri) const
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89 {
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90 if (uri.size() < uri_.size())
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91 {
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92 return false;
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93 }
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94
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95 if (!hasTrailing_ && uri.size() > uri_.size())
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96 {
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97 return false;
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98 }
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99
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100 components.clear();
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101 trailing.clear();
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102
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103 assert(uri_.size() <= uri.size());
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104 for (size_t i = 0; i < uri_.size(); i++)
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105 {
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106 if (components_[i].size() == 0)
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107 {
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108 // This URI component is not a free parameter
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109 if (uri_[i] != uri[i])
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110 {
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111 return false;
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112 }
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113 }
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114 else
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115 {
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116 // This URI component is a free parameter
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117 components[components_[i]] = uri[i];
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118 }
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119 }
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120
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121 if (hasTrailing_)
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122 {
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123 trailing.assign(uri.begin() + uri_.size(), uri.end());
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124 }
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125
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126 return true;
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127 }
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128
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129
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130 bool RestApiPath::Match(const UriComponents& uri) const
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131 {
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132 Components components;
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133 UriComponents trailing;
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134 return Match(components, trailing, uri);
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135 }
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136 }
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