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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
<?php
namespace Sabre\CalDAV;
/**
* The CalendarObject represents a single VEVENT or VTODO within a Calendar.
*
* @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class CalendarObject extends \Sabre\DAV\File implements ICalendarObject, \Sabre\DAVACL\IACL {
/**
* Sabre\CalDAV\Backend\BackendInterface
*
* @var Sabre\CalDAV\Backend\AbstractBackend
*/
protected $caldavBackend;
/**
* Array with information about this CalendarObject
*
* @var array
*/
protected $objectData;
/**
* Array with information about the containing calendar
*
* @var array
*/
protected $calendarInfo;
/**
* Constructor
*
* @param Backend\BackendInterface $caldavBackend
* @param array $calendarInfo
* @param array $objectData
*/
public function __construct(Backend\BackendInterface $caldavBackend,array $calendarInfo,array $objectData) {
$this->caldavBackend = $caldavBackend;
if (!isset($objectData['calendarid'])) {
throw new \InvalidArgumentException('The objectData argument must contain a \'calendarid\' property');
}
if (!isset($objectData['uri'])) {
throw new \InvalidArgumentException('The objectData argument must contain an \'uri\' property');
}
$this->calendarInfo = $calendarInfo;
$this->objectData = $objectData;
}
/**
* Returns the uri for this object
*
* @return string
*/
public function getName() {
return $this->objectData['uri'];
}
/**
* Returns the ICalendar-formatted object
*
* @return string
*/
public function get() {
// Pre-populating the 'calendardata' is optional, if we don't have it
// already we fetch it from the backend.
if (!isset($this->objectData['calendardata'])) {
$this->objectData = $this->caldavBackend->getCalendarObject($this->objectData['calendarid'], $this->objectData['uri']);
}
return $this->objectData['calendardata'];
}
/**
* Updates the ICalendar-formatted object
*
* @param string|resource $calendarData
* @return string
*/
public function put($calendarData) {
if (is_resource($calendarData)) {
$calendarData = stream_get_contents($calendarData);
}
$etag = $this->caldavBackend->updateCalendarObject($this->calendarInfo['id'],$this->objectData['uri'],$calendarData);
$this->objectData['calendardata'] = $calendarData;
$this->objectData['etag'] = $etag;
return $etag;
}
/**
* Deletes the calendar object
*
* @return void
*/
public function delete() {
$this->caldavBackend->deleteCalendarObject($this->calendarInfo['id'],$this->objectData['uri']);
}
/**
* Returns the mime content-type
*
* @return string
*/
public function getContentType() {
return 'text/calendar; charset=utf-8';
}
/**
* Returns an ETag for this object.
*
* The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
*
* @return string
*/
public function getETag() {
if (isset($this->objectData['etag'])) {
return $this->objectData['etag'];
} else {
return '"' . md5($this->get()). '"';
}
}
/**
* Returns the last modification date as a unix timestamp
*
* @return int
*/
public function getLastModified() {
return $this->objectData['lastmodified'];
}
/**
* Returns the size of this object in bytes
*
* @return int
*/
public function getSize() {
if (array_key_exists('size',$this->objectData)) {
return $this->objectData['size'];
} else {
return strlen($this->get());
}
}
/**
* Returns the owner principal
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
public function getOwner() {
return $this->calendarInfo['principaluri'];
}
/**
* Returns a group principal
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
public function getGroup() {
return null;
}
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
* currently the only supported privileges
* * 'principal', a url to the principal who owns the node
* * 'protected' (optional), indicating that this ACE is not allowed to
* be updated.
*
* @return array
*/
public function getACL() {
// An alternative acl may be specified in the object data.
if (isset($this->objectData['acl'])) {
return $this->objectData['acl'];
}
// The default ACL
return array(
array(
'privilege' => '{DAV:}read',
'principal' => $this->calendarInfo['principaluri'],
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $this->calendarInfo['principaluri'],
'protected' => true,
),
array(
'privilege' => '{DAV:}read',
'principal' => $this->calendarInfo['principaluri'] . '/calendar-proxy-write',
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $this->calendarInfo['principaluri'] . '/calendar-proxy-write',
'protected' => true,
),
array(
'privilege' => '{DAV:}read',
'principal' => $this->calendarInfo['principaluri'] . '/calendar-proxy-read',
'protected' => true,
),
);
}
/**
* Updates the ACL
*
* This method will receive a list of new ACE's.
*
* @param array $acl
* @return void
*/
public function setACL(array $acl) {
throw new \Sabre\DAV\Exception\MethodNotAllowed('Changing ACL is not yet supported');
}
/**
* Returns the list of supported privileges for this node.
*
* The returned data structure is a list of nested privileges.
* See \Sabre\DAVACL\Plugin::getDefaultSupportedPrivilegeSet for a simple
* standard structure.
*
* If null is returned from this method, the default privilege set is used,
* which is fine for most common usecases.
*
* @return array|null
*/
public function getSupportedPrivilegeSet() {
return null;
}
}
|
