1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
<?php
namespace Sabre\DAV\FSExt;
use Sabre\DAV;
/**
* Base node-class
*
* The node class implements the method used by both the File and the Directory classes
*
* @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
abstract class Node extends DAV\FS\Node implements DAV\IProperties {
/**
* Updates properties on this node,
*
* @param array $properties
* @see Sabre\DAV\IProperties::updateProperties
* @return bool|array
*/
public function updateProperties($properties) {
$resourceData = $this->getResourceData();
foreach($properties as $propertyName=>$propertyValue) {
// If it was null, we need to delete the property
if (is_null($propertyValue)) {
if (isset($resourceData['properties'][$propertyName])) {
unset($resourceData['properties'][$propertyName]);
}
} else {
$resourceData['properties'][$propertyName] = $propertyValue;
}
}
$this->putResourceData($resourceData);
return true;
}
/**
* Returns a list of properties for this nodes.;
*
* The properties list is a list of propertynames the client requested, encoded as xmlnamespace#tagName, for example: http://www.example.org/namespace#author
* If the array is empty, all properties should be returned
*
* @param array $properties
* @return array
*/
function getProperties($properties) {
$resourceData = $this->getResourceData();
// if the array was empty, we need to return everything
if (!$properties) return $resourceData['properties'];
$props = array();
foreach($properties as $property) {
if (isset($resourceData['properties'][$property])) $props[$property] = $resourceData['properties'][$property];
}
return $props;
}
/**
* Returns the path to the resource file
*
* @return string
*/
protected function getResourceInfoPath() {
list($parentDir) = DAV\URLUtil::splitPath($this->path);
return $parentDir . '/.sabredav';
}
/**
* Returns all the stored resource information
*
* @return array
*/
protected function getResourceData() {
$path = $this->getResourceInfoPath();
if (!file_exists($path)) return array('properties' => array());
// opening up the file, and creating a shared lock
$handle = fopen($path,'r');
flock($handle,LOCK_SH);
$data = '';
// Reading data until the eof
while(!feof($handle)) {
$data.=fread($handle,8192);
}
// We're all good
fclose($handle);
// Unserializing and checking if the resource file contains data for this file
$data = unserialize($data);
if (!isset($data[$this->getName()])) {
return array('properties' => array());
}
$data = $data[$this->getName()];
if (!isset($data['properties'])) $data['properties'] = array();
return $data;
}
/**
* Updates the resource information
*
* @param array $newData
* @return void
*/
protected function putResourceData(array $newData) {
$path = $this->getResourceInfoPath();
// opening up the file, and creating a shared lock
$handle = fopen($path,'a+');
flock($handle,LOCK_EX);
$data = '';
rewind($handle);
// Reading data until the eof
while(!feof($handle)) {
$data.=fread($handle,8192);
}
// Unserializing and checking if the resource file contains data for this file
$data = unserialize($data);
$data[$this->getName()] = $newData;
ftruncate($handle,0);
rewind($handle);
fwrite($handle,serialize($data));
fclose($handle);
}
/**
* Renames the node
*
* @param string $name The new name
* @return void
*/
public function setName($name) {
list($parentPath, ) = DAV\URLUtil::splitPath($this->path);
list(, $newName) = DAV\URLUtil::splitPath($name);
$newPath = $parentPath . '/' . $newName;
// We're deleting the existing resourcedata, and recreating it
// for the new path.
$resourceData = $this->getResourceData();
$this->deleteResourceData();
rename($this->path,$newPath);
$this->path = $newPath;
$this->putResourceData($resourceData);
}
/**
* @return bool
*/
public function deleteResourceData() {
// When we're deleting this node, we also need to delete any resource information
$path = $this->getResourceInfoPath();
if (!file_exists($path)) return true;
// opening up the file, and creating a shared lock
$handle = fopen($path,'a+');
flock($handle,LOCK_EX);
$data = '';
rewind($handle);
// Reading data until the eof
while(!feof($handle)) {
$data.=fread($handle,8192);
}
// Unserializing and checking if the resource file contains data for this file
$data = unserialize($data);
if (isset($data[$this->getName()])) unset($data[$this->getName()]);
ftruncate($handle,0);
rewind($handle);
fwrite($handle,serialize($data));
fclose($handle);
return true;
}
public function delete() {
return $this->deleteResourceData();
}
}
|
