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
|
<?php
namespace Sabre\CalDAV\Notifications;
use Sabre\DAV;
use Sabre\DAV\INode as BaseINode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
use Sabre\DAVACL;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
/**
* Notifications plugin
*
* This plugin implements several features required by the caldav-notification
* draft specification.
*
* Before version 2.1.0 this functionality was part of Sabre\CalDAV\Plugin but
* this has since been split up.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Plugin extends ServerPlugin {
/**
* This is the namespace for the proprietary calendarserver extensions
*/
const NS_CALENDARSERVER = 'http://calendarserver.org/ns/';
/**
* Reference to the main server object.
*
* @var Server
*/
protected $server;
/**
* Returns a plugin name.
*
* Using this name other plugins will be able to access other plugins
* using \Sabre\DAV\Server::getPlugin
*
* @return string
*/
function getPluginName() {
return 'notifications';
}
/**
* This initializes the plugin.
*
* This function is called by Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param Server $server
* @return void
*/
function initialize(Server $server) {
$this->server = $server;
$server->on('method:GET', [$this, 'httpGet'], 90);
$server->on('propFind', [$this, 'propFind']);
$server->xml->namespaceMap[self::NS_CALENDARSERVER] = 'cs';
$server->resourceTypeMapping['\\Sabre\\CalDAV\\Notifications\\ICollection'] = '{' . self::NS_CALENDARSERVER . '}notification';
array_push($server->protectedProperties,
'{' . self::NS_CALENDARSERVER . '}notification-URL',
'{' . self::NS_CALENDARSERVER . '}notificationtype'
);
}
/**
* PropFind
*
* @param PropFind $propFind
* @param BaseINode $node
* @return void
*/
function propFind(PropFind $propFind, BaseINode $node) {
$caldavPlugin = $this->server->getPlugin('caldav');
if ($node instanceof DAVACL\IPrincipal) {
$principalUrl = $node->getPrincipalUrl();
// notification-URL property
$propFind->handle('{' . self::NS_CALENDARSERVER . '}notification-URL', function() use ($principalUrl, $caldavPlugin) {
$notificationPath = $caldavPlugin->getCalendarHomeForPrincipal($principalUrl) . '/notifications/';
return new DAV\Xml\Property\Href($notificationPath);
});
}
if ($node instanceof INode) {
$propFind->handle(
'{' . self::NS_CALENDARSERVER . '}notificationtype',
[$node, 'getNotificationType']
);
}
}
/**
* This event is triggered before the usual GET request handler.
*
* We use this to intercept GET calls to notification nodes, and return the
* proper response.
*
* @param RequestInterface $request
* @param ResponseInterface $response
* @return void
*/
function httpGet(RequestInterface $request, ResponseInterface $response) {
$path = $request->getPath();
try {
$node = $this->server->tree->getNodeForPath($path);
} catch (DAV\Exception\NotFound $e) {
return;
}
if (!$node instanceof INode)
return;
$writer = $this->server->xml->getWriter();
$writer->contextUri = $this->server->getBaseUri();
$writer->openMemory();
$writer->startDocument('1.0', 'UTF-8');
$writer->startElement('{http://calendarserver.org/ns/}notification');
$node->getNotificationType()->xmlSerializeFull($writer);
$writer->endElement();
$response->setHeader('Content-Type', 'application/xml');
$response->setHeader('ETag', $node->getETag());
$response->setStatus(200);
$response->setBody($writer->outputMemory());
// Return false to break the event chain.
return false;
}
/**
* Returns a bunch of meta-data about the plugin.
*
* Providing this information is optional, and is mainly displayed by the
* Browser plugin.
*
* The description key in the returned array may contain html and will not
* be sanitized.
*
* @return array
*/
function getPluginInfo() {
return [
'name' => $this->getPluginName(),
'description' => 'Adds support for caldav-notifications, which is required to enable caldav-sharing.',
'link' => 'http://sabre.io/dav/caldav-sharing/',
];
}
}
|
