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
|
<?php
/**
* Browser Plugin
*
* This plugin provides a html representation, so that a WebDAV server may be accessed
* using a browser.
*
* The class intercepts GET requests to collection resources and generates a simple
* html index.
*
* @package Sabre
* @subpackage DAV
* @copyright Copyright (C) 2007-2011 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Sabre_DAV_Browser_Plugin extends Sabre_DAV_ServerPlugin {
/**
* reference to server class
*
* @var Sabre_DAV_Server
*/
protected $server;
/**
* enableEditing
*
* @var bool
*/
protected $enablePost = true;
/**
* Creates the object.
*
* By default it will allow file creation and uploads.
* Specify the first argument as false to disable this
*
* @param bool $enablePost
* @return void
*/
public function __construct($enablePost=true) {
$this->enablePost = $enablePost;
}
/**
* Initializes the plugin and subscribes to events
*
* @param Sabre_DAV_Server $server
* @return void
*/
public function initialize(Sabre_DAV_Server $server) {
$this->server = $server;
$this->server->subscribeEvent('beforeMethod',array($this,'httpGetInterceptor'));
if ($this->enablePost) $this->server->subscribeEvent('unknownMethod',array($this,'httpPOSTHandler'));
}
/**
* This method intercepts GET requests to collections and returns the html
*
* @param string $method
* @return bool
*/
public function httpGetInterceptor($method, $uri) {
if ($method!='GET') return true;
try {
$node = $this->server->tree->getNodeForPath($uri);
} catch (Sabre_DAV_Exception_FileNotFound $e) {
// We're simply stopping when the file isn't found to not interfere
// with other plugins.
return;
}
if ($node instanceof Sabre_DAV_IFile)
return;
$this->server->httpResponse->sendStatus(200);
$this->server->httpResponse->setHeader('Content-Type','text/html; charset=utf-8');
$this->server->httpResponse->sendBody(
$this->generateDirectoryIndex($uri)
);
return false;
}
/**
* Handles POST requests for tree operations
*
* This method is not yet used.
*
* @param string $method
* @return bool
*/
public function httpPOSTHandler($method, $uri) {
if ($method!='POST') return true;
if (isset($_POST['sabreAction'])) switch($_POST['sabreAction']) {
case 'mkcol' :
if (isset($_POST['name']) && trim($_POST['name'])) {
// Using basename() because we won't allow slashes
list(, $folderName) = Sabre_DAV_URLUtil::splitPath(trim($_POST['name']));
$this->server->createDirectory($uri . '/' . $folderName);
}
break;
case 'put' :
if ($_FILES) $file = current($_FILES);
else break;
$newName = trim($file['name']);
list(, $newName) = Sabre_DAV_URLUtil::splitPath(trim($file['name']));
if (isset($_POST['name']) && trim($_POST['name']))
$newName = trim($_POST['name']);
// Making sure we only have a 'basename' component
list(, $newName) = Sabre_DAV_URLUtil::splitPath($newName);
if (is_uploaded_file($file['tmp_name'])) {
$parent = $this->server->tree->getNodeForPath(trim($uri,'/'));
$parent->createFile($newName,fopen($file['tmp_name'],'r'));
}
}
$this->server->httpResponse->setHeader('Location',$this->server->httpRequest->getUri());
return false;
}
/**
* Escapes a string for html.
*
* @param string $value
* @return void
*/
public function escapeHTML($value) {
return htmlspecialchars($value,ENT_QUOTES,'UTF-8');
}
/**
* Generates the html directory index for a given url
*
* @param string $path
* @return string
*/
public function generateDirectoryIndex($path) {
$html = "<html>
<head>
<title>Index for " . $this->escapeHTML($path) . "/ - SabreDAV " . Sabre_DAV_Version::VERSION . "</title>
<style type=\"text/css\"> body { Font-family: arial}</style>
</head>
<body>
<h1>Index for " . $this->escapeHTML($path) . "/</h1>
<table>
<tr><th>Name</th><th>Type</th><th>Size</th><th>Last modified</th></tr>
<tr><td colspan=\"4\"><hr /></td></tr>";
$files = $this->server->getPropertiesForPath($path,array(
'{DAV:}displayname',
'{DAV:}resourcetype',
'{DAV:}getcontenttype',
'{DAV:}getcontentlength',
'{DAV:}getlastmodified',
),1);
$parent = $this->server->tree->getNodeForPath($path);
if ($path) {
list($parentUri) = Sabre_DAV_URLUtil::splitPath($path);
$fullPath = Sabre_DAV_URLUtil::encodePath($this->server->getBaseUri() . $parentUri);
$html.= "<tr>
<td><a href=\"{$fullPath}\">..</a></td>
<td>[parent]</td>
<td></td>
<td></td>
</tr>";
}
foreach($files as $k=>$file) {
// This is the current directory, we can skip it
if (rtrim($file['href'],'/')==$path) continue;
list(, $name) = Sabre_DAV_URLUtil::splitPath($file['href']);
$type = null;
if (isset($file[200]['{DAV:}resourcetype'])) {
$type = $file[200]['{DAV:}resourcetype']->getValue();
// resourcetype can have multiple values
if (!is_array($type)) $type = array($type);
foreach($type as $k=>$v) {
// Some name mapping is preferred
switch($v) {
case '{DAV:}collection' :
$type[$k] = 'Collection';
break;
case '{DAV:}principal' :
$type[$k] = 'Principal';
break;
case '{urn:ietf:params:xml:ns:carddav}addressbook' :
$type[$k] = 'Addressbook';
break;
case '{urn:ietf:params:xml:ns:caldav}calendar' :
$type[$k] = 'Calendar';
break;
}
}
$type = implode(', ', $type);
}
// If no resourcetype was found, we attempt to use
// the contenttype property
if (!$type && isset($file[200]['{DAV:}getcontenttype'])) {
$type = $file[200]['{DAV:}getcontenttype'];
}
if (!$type) $type = 'Unknown';
$size = isset($file[200]['{DAV:}getcontentlength'])?(int)$file[200]['{DAV:}getcontentlength']:'';
$lastmodified = isset($file[200]['{DAV:}getlastmodified'])?$file[200]['{DAV:}getlastmodified']->getTime()->format(DateTime::ATOM):'';
$fullPath = Sabre_DAV_URLUtil::encodePath('/' . trim($this->server->getBaseUri() . ($path?$path . '/':'') . $name,'/'));
$displayName = isset($file[200]['{DAV:}displayname'])?$file[200]['{DAV:}displayname']:$name;
$name = $this->escapeHTML($name);
$displayName = $this->escapeHTML($displayName);
$type = $this->escapeHTML($type);
$html.= "<tr>
<td><a href=\"{$fullPath}\">{$displayName}</a></td>
<td>{$type}</td>
<td>{$size}</td>
<td>{$lastmodified}</td>
</tr>";
}
$html.= "<tr><td colspan=\"4\"><hr /></td></tr>";
if ($this->enablePost && $parent instanceof Sabre_DAV_ICollection) {
$html.= '<tr><td><form method="post" action="">
<h3>Create new folder</h3>
<input type="hidden" name="sabreAction" value="mkcol" />
Name: <input type="text" name="name" /><br />
<input type="submit" value="create" />
</form>
<form method="post" action="" enctype="multipart/form-data">
<h3>Upload file</h3>
<input type="hidden" name="sabreAction" value="put" />
Name (optional): <input type="text" name="name" /><br />
File: <input type="file" name="file" /><br />
<input type="submit" value="upload" />
</form>
</td></tr>';
}
$html.= "</table>
<address>Generated by SabreDAV " . Sabre_DAV_Version::VERSION ."-". Sabre_DAV_Version::STABILITY . " (c)2007-2011 <a href=\"http://code.google.com/p/sabredav/\">http://code.google.com/p/sabredav/</a></address>
</body>
</html>";
return $html;
}
}
|
