diff options
Diffstat (limited to 'mod/wfinger.php')
| -rw-r--r-- | mod/wfinger.php | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/mod/wfinger.php b/mod/wfinger.php new file mode 100644 index 000000000..bdec92b54 --- /dev/null +++ b/mod/wfinger.php @@ -0,0 +1,111 @@ +<?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)) + $scheme = 'https'; + + // Don't complain to me - I'm just implementing the spec. + + if($scheme !== 'https') { + header($_SERVER["SERVER_PROTOCOL"] . ' ' . 500 . ' ' . 'Webfinger requires HTTPS'); + killme(); + } + + $resource = $_REQUEST['resource']; + + + $r = null; + + if($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?resource=' . $resource); + } + $channel = substr($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: *'); + + header('Content-type: application/jrd+json'); + + + + if($resource && $r) { + + $result['subject'] = $resource; + + $aliases = array( + 'acct:' . $r[0]['channel_address'] . '@' . $a->get_hostname(), + z_root() . '/channel/' . $r[0]['channel_address'], + z_root() . '/~' . $r[0]['channel_address'] + ); + + $result['aliases'] = array(); + + $result['properties'] = array('http://webfinger.example/ns/name' => $r[0]['channel_name']); + + foreach($aliases as $alias) + if($alias != $resource) + $result['aliases'][] = $alias; + + + $result['links'] = array( + + array( + 'rel' => 'http://webfinger.example/rel/avatar', + 'type' => $r[0]['xchan_photo_mimetype'], + 'href' => $r[0]['xchan_photo_l'] + ), + + array( + 'rel' => 'http://webfinger.example/rel/profile-page', + 'href' => z_root() . '/profile/' . $r[0]['channel_address'], + ), + + array( + 'rel' => 'http://webfinger.example/rel/blog', + 'href' => z_root() . '/channel/' . $r[0]['channel_address'], + ), + + array( + 'rel' => 'http://purl.org/zot/protocol', + 'href' => z_root() . '/.well-known/zot-info' . '?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); + + echo json_encode($arr['result']); + killme(); + +}
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