Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/IWebDavBucket.cpp @ 4230:b313a0001893
WebDavStorage
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 Oct 2020 18:14:26 +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 Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 |
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23 #include "../PrecompiledHeaders.h" |
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24 #include "IWebDavBucket.h" |
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25 |
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26 #include "HttpOutput.h" |
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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 |
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31 static boost::posix_time::ptime GetNow() |
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32 { |
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33 return boost::posix_time::second_clock::universal_time(); |
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34 } |
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35 |
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36 |
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37 static std::string AddTrailingSlash(const std::string& s) |
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38 { |
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39 if (s.empty() || |
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40 s[s.size() - 1] != '/') |
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41 { |
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42 return s + '/'; |
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43 } |
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44 else |
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45 { |
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46 return s; |
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47 } |
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48 } |
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49 |
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50 |
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51 namespace Orthanc |
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52 { |
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53 void IWebDavBucket::Resource::SetNameInternal(const std::string& name) |
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54 { |
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55 if (name.find('/') != std::string::npos || |
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56 name.find('\\') != std::string::npos || |
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57 name.find('\0') != std::string::npos) |
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58 { |
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59 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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60 "Bad resource name for WebDAV: " + name); |
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61 } |
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62 |
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63 name_ = name; |
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64 } |
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65 |
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66 |
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67 IWebDavBucket::Resource::Resource() : |
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68 hasModificationTime_(false), |
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69 creationTime_(GetNow()), |
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70 modificationTime_(GetNow()) |
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71 { |
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72 } |
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73 |
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74 |
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75 void IWebDavBucket::Resource::SetCreationTime(const boost::posix_time::ptime& t) |
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76 { |
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77 creationTime_ = t; |
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78 |
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79 if (!hasModificationTime_) |
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80 { |
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81 modificationTime_ = t; |
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82 } |
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83 } |
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84 |
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85 |
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86 void IWebDavBucket::Resource::SetModificationTime(const boost::posix_time::ptime& t) |
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87 { |
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88 modificationTime_ = t; |
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89 hasModificationTime_ = true; |
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90 } |
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91 |
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92 |
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93 void IWebDavBucket::Resource::Format(pugi::xml_node& node, |
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94 const std::string& parentPath) const |
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95 { |
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96 node.set_name("D:response"); |
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97 |
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98 std::string s = AddTrailingSlash(parentPath) + GetName(); |
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99 node.append_child("D:href").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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100 |
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101 pugi::xml_node propstat = node.append_child("D:propstat"); |
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102 |
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103 static const HttpStatus status = HttpStatus_200_Ok; |
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104 s = ("HTTP/1.1 " + boost::lexical_cast<std::string>(status) + " " + |
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105 std::string(EnumerationToString(status))); |
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106 propstat.append_child("D:status").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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107 |
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108 pugi::xml_node prop = propstat.append_child("D:prop"); |
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109 |
4230 | 110 // IMPORTANT: The "Z" suffix is mandatory on Windows >= 7 (it indicates UTC) |
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111 s = boost::posix_time::to_iso_extended_string(GetCreationTime()) + "Z"; |
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112 prop.append_child("D:creationdate").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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113 |
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114 s = boost::posix_time::to_iso_extended_string(GetModificationTime()) + "Z"; |
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115 prop.append_child("D:getlastmodified").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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116 |
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117 #if 0 |
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118 // Maybe used by davfs2 |
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119 prop.append_child("D:quota-available-bytes"); |
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120 prop.append_child("D:quota-used-bytes"); |
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121 #endif |
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122 |
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123 #if 0 |
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124 prop.append_child("D:lockdiscovery"); |
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125 pugi::xml_node lock = prop.append_child("D:supportedlock"); |
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126 |
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127 pugi::xml_node lockentry = lock.append_child("D:lockentry"); |
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128 lockentry.append_child("D:lockscope").append_child("D:exclusive"); |
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129 lockentry.append_child("D:locktype").append_child("D:write"); |
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130 |
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131 lockentry = lock.append_child("D:lockentry"); |
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132 lockentry.append_child("D:lockscope").append_child("D:shared"); |
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133 lockentry.append_child("D:locktype").append_child("D:write"); |
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134 #endif |
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135 } |
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136 |
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137 |
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138 IWebDavBucket::File::File(const std::string& name) : |
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139 contentLength_(0), |
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140 mime_(MimeType_Binary) |
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141 { |
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142 if (name.empty()) |
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143 { |
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144 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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145 "Cannot use an empty filename in WebDAV"); |
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146 } |
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147 |
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148 SetNameInternal(name); |
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149 } |
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150 |
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151 |
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152 void IWebDavBucket::File::Format(pugi::xml_node& node, |
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153 const std::string& parentPath) const |
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154 { |
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155 Resource::Format(node, parentPath); |
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156 |
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157 pugi::xml_node prop = node.first_element_by_path("D:propstat/D:prop"); |
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158 prop.append_child("D:resourcetype"); |
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159 |
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160 std::string s = boost::lexical_cast<std::string>(contentLength_); |
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161 prop.append_child("D:getcontentlength").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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162 |
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163 s = EnumerationToString(mime_); |
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164 prop.append_child("D:getcontenttype").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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165 |
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166 prop.append_child("D:displayname").append_child(pugi::node_pcdata).set_value(GetName().c_str()); |
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167 } |
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168 |
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169 |
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170 void IWebDavBucket::Folder::Format(pugi::xml_node& node, |
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171 const std::string& parentPath) const |
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172 { |
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173 Resource::Format(node, parentPath); |
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174 |
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175 pugi::xml_node prop = node.first_element_by_path("D:propstat/D:prop"); |
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176 prop.append_child("D:resourcetype").append_child("D:collection"); |
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177 |
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178 //prop.append_child("D:getcontenttype").append_child(pugi::node_pcdata).set_value("httpd/unix-directory"); |
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179 |
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180 std::string s = GetName(); |
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181 prop.append_child("D:displayname").append_child(pugi::node_pcdata).set_value(s.c_str()); |
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182 } |
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183 |
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184 |
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185 IWebDavBucket::Collection::~Collection() |
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186 { |
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187 for (std::list<Resource*>::iterator it = resources_.begin(); it != resources_.end(); ++it) |
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188 { |
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189 assert(*it != NULL); |
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190 delete(*it); |
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191 } |
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192 } |
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193 |
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194 |
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195 void IWebDavBucket::Collection::AddResource(Resource* resource) // Takes ownership |
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196 { |
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197 if (resource == NULL) |
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198 { |
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199 throw OrthancException(ErrorCode_NullPointer); |
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200 } |
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201 else |
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202 { |
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203 resources_.push_back(resource); |
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204 } |
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205 } |
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206 |
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207 |
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208 void IWebDavBucket::Collection::Format(std::string& target, |
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209 const std::string& parentPath) const |
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210 { |
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211 pugi::xml_document doc; |
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212 |
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213 pugi::xml_node root = doc.append_child("D:multistatus"); |
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214 root.append_attribute("xmlns:D").set_value("DAV:"); |
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215 |
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216 for (std::list<Resource*>::const_iterator |
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217 it = resources_.begin(); it != resources_.end(); ++it) |
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218 { |
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219 assert(*it != NULL); |
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220 pugi::xml_node n = root.append_child(); |
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221 (*it)->Format(n, parentPath); |
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222 } |
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223 |
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224 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); |
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225 decl.append_attribute("version").set_value("1.0"); |
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226 decl.append_attribute("encoding").set_value("UTF-8"); |
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227 |
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228 Toolbox::XmlToString(target, doc); |
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229 } |
4228
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230 |
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231 |
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232 void IWebDavBucket::AnswerFakedProppatch(HttpOutput& output, |
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233 const std::string& uri) |
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234 { |
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235 /** |
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236 * This is a fake implementation. The goal is to make happy the |
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237 * WebDAV clients that set properties (such as Windows >= 7). |
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238 **/ |
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239 |
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240 pugi::xml_document doc; |
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241 |
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242 pugi::xml_node root = doc.append_child("D:multistatus"); |
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243 root.append_attribute("xmlns:D").set_value("DAV:"); |
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244 |
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245 pugi::xml_node response = root.append_child("D:response"); |
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246 response.append_child("D:href").append_child(pugi::node_pcdata).set_value(uri.c_str()); |
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247 |
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248 response.append_child("D:propstat"); |
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249 |
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250 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); |
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251 decl.append_attribute("version").set_value("1.0"); |
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252 decl.append_attribute("encoding").set_value("UTF-8"); |
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253 |
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254 std::string s; |
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255 Toolbox::XmlToString(s, doc); |
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256 |
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257 output.AddHeader("Content-Type", "application/xml"); |
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258 output.SendStatus(HttpStatus_207_MultiStatus, s); |
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259 } |
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260 |
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261 |
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262 void IWebDavBucket::AnswerFakedLock(HttpOutput& output, |
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263 const std::string& uri) |
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264 { |
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265 /** |
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266 * This is a fake implementation. No lock is actually |
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267 * created. The goal is to make happy the WebDAV clients |
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268 * that use locking (such as Windows >= 7). |
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269 **/ |
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270 |
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271 pugi::xml_document doc; |
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272 |
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273 pugi::xml_node root = doc.append_child("D:prop"); |
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274 root.append_attribute("xmlns:D").set_value("DAV:"); |
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275 |
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276 pugi::xml_node activelock = root.append_child("D:lockdiscovery").append_child("D:activelock"); |
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277 activelock.append_child("D:locktype").append_child("D:write"); |
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278 activelock.append_child("D:lockscope").append_child("D:exclusive"); |
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279 activelock.append_child("D:depth").append_child(pugi::node_pcdata).set_value("0"); |
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280 activelock.append_child("D:timeout").append_child(pugi::node_pcdata).set_value("Second-3599"); |
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281 |
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282 activelock.append_child("D:lockroot").append_child("D:href") |
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283 .append_child(pugi::node_pcdata).set_value(uri.c_str()); |
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284 activelock.append_child("D:owner"); |
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285 |
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286 std::string token = Toolbox::GenerateUuid(); |
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287 boost::erase_all(token, "-"); |
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288 token = "opaquelocktoken:0x" + token; |
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289 |
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290 activelock.append_child("D:locktoken").append_child("D:href"). |
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291 append_child(pugi::node_pcdata).set_value(token.c_str()); |
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292 |
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293 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); |
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294 decl.append_attribute("version").set_value("1.0"); |
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295 decl.append_attribute("encoding").set_value("UTF-8"); |
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296 |
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297 std::string s; |
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298 Toolbox::XmlToString(s, doc); |
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299 |
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300 output.AddHeader("Lock-Token", token); // Necessary for davfs2 |
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301 output.AddHeader("Content-Type", "application/xml"); |
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302 output.SendStatus(HttpStatus_201_Created, s); |
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303 } |
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304 |
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305 |
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306 void IWebDavBucket::AnswerFakedUnlock(HttpOutput& output) |
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307 { |
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308 output.SendStatus(HttpStatus_204_NoContent); |
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309 } |
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310 } |