aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/sabre/dav/lib/Sabre/CalDAV/Calendar.php
blob: 63bd2b07ad44e79fcb8fd90b9eaeb797668fb66c (plain) (blame)
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
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
<?php

namespace Sabre\CalDAV;

use Sabre\DAV;
use Sabre\DAVACL;

/**
 * This object represents a CalDAV calendar.
 *
 * A calendar can contain multiple TODO and or Events. These are represented
 * as \Sabre\CalDAV\CalendarObject objects.
 *
 * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
 * @author Evert Pot (http://evertpot.com/)
 * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
 */
class Calendar implements ICalendar, DAV\IProperties, DAVACL\IACL {

    /**
     * This is an array with calendar information
     *
     * @var array
     */
    protected $calendarInfo;

    /**
     * CalDAV backend
     *
     * @var Backend\BackendInterface
     */
    protected $caldavBackend;

    /**
     * Constructor
     *
     * @param Backend\BackendInterface $caldavBackend
     * @param array $calendarInfo
     */
    public function __construct(Backend\BackendInterface $caldavBackend, $calendarInfo) {

        $this->caldavBackend = $caldavBackend;
        $this->calendarInfo = $calendarInfo;

    }

    /**
     * Returns the name of the calendar
     *
     * @return string
     */
    public function getName() {

        return $this->calendarInfo['uri'];

    }

    /**
     * Updates properties such as the display name and description
     *
     * @param array $mutations
     * @return array
     */
    public function updateProperties($mutations) {

        return $this->caldavBackend->updateCalendar($this->calendarInfo['id'],$mutations);

    }

    /**
     * Returns the list of properties
     *
     * @param array $requestedProperties
     * @return array
     */
    public function getProperties($requestedProperties) {

        $response = array();

        foreach($requestedProperties as $prop) switch($prop) {

            case '{urn:ietf:params:xml:ns:caldav}supported-calendar-data' :
                $response[$prop] = new Property\SupportedCalendarData();
                break;
            case '{urn:ietf:params:xml:ns:caldav}supported-collation-set' :
                $response[$prop] =  new Property\SupportedCollationSet();
                break;
            case '{DAV:}owner' :
                $response[$prop] = new DAVACL\Property\Principal(DAVACL\Property\Principal::HREF,$this->calendarInfo['principaluri']);
                break;
            default :
                if (isset($this->calendarInfo[$prop])) $response[$prop] = $this->calendarInfo[$prop];
                break;

        }
        return $response;

    }

    /**
     * Returns a calendar object
     *
     * The contained calendar objects are for example Events or Todo's.
     *
     * @param string $name
     * @return \Sabre\CalDAV\ICalendarObject
     */
    public function getChild($name) {

        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'],$name);

        if (!$obj) throw new DAV\Exception\NotFound('Calendar object not found');

        $obj['acl'] = $this->getACL();
        // Removing the irrelivant
        foreach($obj['acl'] as $key=>$acl) {
            if ($acl['privilege'] === '{' . Plugin::NS_CALDAV . '}read-free-busy') {
                unset($obj['acl'][$key]);
            }
        }

        return new CalendarObject($this->caldavBackend,$this->calendarInfo,$obj);

    }

    /**
     * Returns the full list of calendar objects
     *
     * @return array
     */
    public function getChildren() {

        $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
        $children = array();
        foreach($objs as $obj) {
            $obj['acl'] = $this->getACL();
            // Removing the irrelivant
            foreach($obj['acl'] as $key=>$acl) {
                if ($acl['privilege'] === '{' . Plugin::NS_CALDAV . '}read-free-busy') {
                    unset($obj['acl'][$key]);
                }
            }
            $children[] = new CalendarObject($this->caldavBackend,$this->calendarInfo,$obj);
        }
        return $children;

    }

    /**
     * Checks if a child-node exists.
     *
     * @param string $name
     * @return bool
     */
    public function childExists($name) {

        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'],$name);
        if (!$obj)
            return false;
        else
            return true;

    }

    /**
     * Creates a new directory
     *
     * We actually block this, as subdirectories are not allowed in calendars.
     *
     * @param string $name
     * @return void
     */
    public function createDirectory($name) {

        throw new DAV\Exception\MethodNotAllowed('Creating collections in calendar objects is not allowed');

    }

    /**
     * Creates a new file
     *
     * The contents of the new file must be a valid ICalendar string.
     *
     * @param string $name
     * @param resource $calendarData
     * @return string|null
     */
    public function createFile($name,$calendarData = null) {

        if (is_resource($calendarData)) {
            $calendarData = stream_get_contents($calendarData);
        }
        return $this->caldavBackend->createCalendarObject($this->calendarInfo['id'],$name,$calendarData);

    }

    /**
     * Deletes the calendar.
     *
     * @return void
     */
    public function delete() {

        $this->caldavBackend->deleteCalendar($this->calendarInfo['id']);

    }

    /**
     * Renames the calendar. Note that most calendars use the
     * {DAV:}displayname to display a name to display a name.
     *
     * @param string $newName
     * @return void
     */
    public function setName($newName) {

        throw new DAV\Exception\MethodNotAllowed('Renaming calendars is not yet supported');

    }

    /**
     * Returns the last modification date as a unix timestamp.
     *
     * @return void
     */
    public function getLastModified() {

        return null;

    }

    /**
     * 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() {

        return array(
            array(
                'privilege' => '{DAV:}read',
                'principal' => $this->getOwner(),
                'protected' => true,
            ),
            array(
                'privilege' => '{DAV:}write',
                'principal' => $this->getOwner(),
                'protected' => true,
            ),
            array(
                'privilege' => '{DAV:}read',
                'principal' => $this->getOwner() . '/calendar-proxy-write',
                'protected' => true,
            ),
            array(
                'privilege' => '{DAV:}write',
                'principal' => $this->getOwner() . '/calendar-proxy-write',
                'protected' => true,
            ),
            array(
                'privilege' => '{DAV:}read',
                'principal' => $this->getOwner() . '/calendar-proxy-read',
                'protected' => true,
            ),
            array(
                'privilege' => '{' . Plugin::NS_CALDAV . '}read-free-busy',
                'principal' => '{DAV:}authenticated',
                '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 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() {

        $default = DAVACL\Plugin::getDefaultSupportedPrivilegeSet();

        // We need to inject 'read-free-busy' in the tree, aggregated under
        // {DAV:}read.
        foreach($default['aggregates'] as &$agg) {

            if ($agg['privilege'] !== '{DAV:}read') continue;

            $agg['aggregates'][] = array(
                'privilege' => '{' . Plugin::NS_CALDAV . '}read-free-busy',
            );

        }
        return $default;

    }

    /**
     * Performs a calendar-query on the contents of this calendar.
     *
     * The calendar-query is defined in RFC4791 : CalDAV. Using the
     * calendar-query it is possible for a client to request a specific set of
     * object, based on contents of iCalendar properties, date-ranges and
     * iCalendar component types (VTODO, VEVENT).
     *
     * This method should just return a list of (relative) urls that match this
     * query.
     *
     * The list of filters are specified as an array. The exact array is
     * documented by Sabre\CalDAV\CalendarQueryParser.
     *
     * @param array $filters
     * @return array
     */
    public function calendarQuery(array $filters) {

        return $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters);

    }

}