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
|
<?php
/**
* @file mod/dav.php
* @brief Initialize Hubzilla's cloud (SabreDAV).
*
* Module for accessing the DAV storage area from a DAV client.
*/
use Sabre\DAV;
use Zotlabs\Storage;
// composer autoloader for SabreDAV
require_once('vendor/autoload.php');
// workaround for HTTP-auth in CGI mode
if (x($_SERVER, 'REDIRECT_REMOTE_USER')) {
$userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"], 6)) ;
if(strlen($userpass)) {
list($name, $password) = explode(':', $userpass);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW'] = $password;
}
}
if (x($_SERVER, 'HTTP_AUTHORIZATION')) {
$userpass = base64_decode(substr($_SERVER["HTTP_AUTHORIZATION"], 6)) ;
if(strlen($userpass)) {
list($name, $password) = explode(':', $userpass);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW'] = $password;
}
}
/**
* @brief Fires up the SabreDAV server.
*
* @param App &$a
*/
function dav_init(&$a) {
require_once('include/reddav.php');
if (! is_dir('store'))
os_mkdir('store', STORAGE_DEFAULT_PERMISSIONS, false);
$which = null;
if (argc() > 1)
$which = argv(1);
$profile = 0;
$a->page['htmlhead'] .= '<link rel="alternate" type="application/atom+xml" href="' . $a->get_baseurl() . '/feed/' . $which . '" />' . "\r\n";
if ($which)
profile_load($a, $which, $profile);
$auth = new Zotlabs\Storage\BasicAuth();
$ob_hash = get_observer_hash();
if ($ob_hash) {
if (local_channel()) {
$channel = $a->get_channel();
$auth->setCurrentUser($channel['channel_address']);
$auth->channel_id = $channel['channel_id'];
$auth->channel_hash = $channel['channel_hash'];
$auth->channel_account_id = $channel['channel_account_id'];
if($channel['channel_timezone'])
$auth->setTimezone($channel['channel_timezone']);
}
$auth->observer = $ob_hash;
}
if ($_GET['davguest'])
$_SESSION['davguest'] = true;
$_SERVER['QUERY_STRING'] = str_replace(array('?f=', '&f='), array('', ''), $_SERVER['QUERY_STRING']);
$_SERVER['QUERY_STRING'] = strip_zids($_SERVER['QUERY_STRING']);
$_SERVER['QUERY_STRING'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism', '', $_SERVER['QUERY_STRING']);
$_SERVER['REQUEST_URI'] = str_replace(array('?f=', '&f='), array('', ''), $_SERVER['REQUEST_URI']);
$_SERVER['REQUEST_URI'] = strip_zids($_SERVER['REQUEST_URI']);
$_SERVER['REQUEST_URI'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism', '', $_SERVER['REQUEST_URI']);
$rootDirectory = new Zotlabs\Storage\Directory('/', $auth);
// A SabreDAV server-object
$server = new DAV\Server($rootDirectory);
// prevent overwriting changes each other with a lock backend
$lockBackend = new DAV\Locks\Backend\File('store/[data]/locks');
$lockPlugin = new DAV\Locks\Plugin($lockBackend);
$server->addPlugin($lockPlugin);
// The next section of code allows us to bypass prompting for http-auth if a
// FILE is being accessed anonymously and permissions allow this. This way
// one can create hotlinks to public media files in their cloud and anonymous
// viewers won't get asked to login.
// If a DIRECTORY is accessed or there are permission issues accessing the
// file and we aren't previously authenticated via zot, prompt for HTTP-auth.
// This will be the default case for mounting a DAV directory.
// In order to avoid prompting for passwords for viewing a DIRECTORY, add
// the URL query parameter 'davguest=1'.
$isapublic_file = false;
$davguest = ((x($_SESSION, 'davguest')) ? true : false);
if ((! $auth->observer) && ($_SERVER['REQUEST_METHOD'] === 'GET')) {
try {
$x = RedFileData('/' . $a->cmd, $auth);
if($x instanceof Zotlabs\Storage\File)
$isapublic_file = true;
}
catch (Exception $e) {
$isapublic_file = false;
}
}
if ((! $auth->observer) && (! $isapublic_file) && (! $davguest)) {
try {
$auth->Authenticate($server, t('$Projectname channel'));
}
catch (Exception $e) {
logger('mod_cloud: auth exception' . $e->getMessage());
http_status_exit($e->getHTTPCode(), $e->getMessage());
}
}
require_once('Zotlabs/Storage/Browser.php');
// provide a directory view for the cloud in Hubzilla
$browser = new Zotlabs\Storage\Browser($auth);
$auth->setBrowserPlugin($browser);
// Experimental QuotaPlugin
// require_once('Zotlabs/Storage/QuotaPlugin.php');
// $server->addPlugin(new Zotlabs\Storage\QuotaPlugin($auth));
// All we need to do now, is to fire up the server
$server->exec();
killme();
}
|
