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
|
<?php
require_once('include/zot.php');
function wfinger_init(&$a) {
$result = array();
$scheme = '';
if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
$scheme = 'https';
elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
$scheme = 'https';
$zot = intval($_REQUEST['zot']);
if(($scheme !== 'https') && (! $zot)) {
header($_SERVER["SERVER_PROTOCOL"] . ' ' . 500 . ' ' . 'Webfinger requires HTTPS');
killme();
}
$resource = $_REQUEST['resource'];
logger('webfinger: ' . $resource,LOGGER_DEBUG);
$r = null;
if($resource) {
if(strpos($resource,'acct:') === 0) {
$channel = str_replace('acct:','',$resource);
if(strpos($channel,'@') !== false) {
$host = substr($channel,strpos($channel,'@')+1);
if(strcasecmp($host,get_app()->get_hostname())) {
goaway('https://' . $host . '/.well-known/webfinger?f=&resource=' . $resource . (($zot) ? '&zot=' . $zot : ''));
}
$channel = substr($channel,0,strpos($channel,'@'));
}
}
if(strpos($resource,'http') === 0) {
$channel = str_replace('~','',basename($resource));
}
$r = q("select * from channel left join xchan on channel_hash = xchan_hash
where channel_address = '%s' limit 1",
dbesc($channel)
);
}
header('Access-Control-Allow-Origin: *');
if($resource && $r) {
$h = q("select hubloc_addr from hubloc where hubloc_hash = '%s' and hubloc_deleted = 0",
dbesc($r[0]['channel_hash'])
);
$result['subject'] = $resource;
$aliases = array(
z_root() . '/channel/' . $r[0]['channel_address'],
z_root() . '/~' . $r[0]['channel_address']
);
if($h) {
foreach($h as $hh) {
$aliases[] = 'acct:' . $hh['hubloc_addr'];
}
}
$result['aliases'] = array();
$result['properties'] = array('http://webfinger.net/ns/name' => $r[0]['channel_name']);
foreach($aliases as $alias)
if($alias != $resource)
$result['aliases'][] = $alias;
$result['links'] = array(
array(
'rel' => 'http://webfinger.net/rel/avatar',
'type' => $r[0]['xchan_photo_mimetype'],
'href' => $r[0]['xchan_photo_l']
),
array(
'rel' => 'http://webfinger.net/rel/profile-page',
'href' => z_root() . '/profile/' . $r[0]['channel_address'],
),
array(
'rel' => 'http://webfinger.net/rel/blog',
'href' => z_root() . '/channel/' . $r[0]['channel_address'],
),
array(
'rel' => 'http://ostatus.org/schema/1.0/subscribe',
'template' => z_root() . '/follow/url={uri}',
),
array(
'rel' => 'http://purl.org/zot/protocol',
'href' => z_root() . '/.well-known/zot-info' . '?address=' . $r[0]['xchan_addr'],
)
);
if($zot) {
// get a zotinfo packet and return it with webfinger
$result['zot'] = zotinfo(array('address' => $r[0]['xchan_addr']));
}
}
else {
header($_SERVER["SERVER_PROTOCOL"] . ' ' . 400 . ' ' . 'Bad Request');
killme();
}
$arr = array('channel' => $r[0], 'request' => $_REQUEST, 'result' => $result);
call_hooks('webfinger',$arr);
json_return_and_die($arr['result'],'application/jrd+json');
}
|
