111 lines
2.5 KiB
PHP
111 lines
2.5 KiB
PHP
<?php
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function wfinger_init(&$a) {
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$result = array();
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$scheme = '';
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if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
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$scheme = 'https';
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elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
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$scheme = 'https';
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// Don't complain to me - I'm just implementing the spec.
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if($scheme !== 'https') {
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header($_SERVER["SERVER_PROTOCOL"] . ' ' . 500 . ' ' . 'Webfinger requires HTTPS');
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killme();
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}
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$resource = $_REQUEST['resource'];
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$r = null;
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if($resource) {
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if(strpos($resource,'acct:') === 0) {
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$channel = str_replace('acct:','',$resource);
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if(strpos($channel,'@') !== false) {
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$host = substr($channel,strpos($channel,'@')+1);
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if(strcasecmp($host,get_app()->get_hostname())) {
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goaway('https://' . $host . '/.well-known/webfinger?resource=' . $resource);
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}
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$channel = substr($channel,0,strpos($channel,'@'));
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}
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}
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if(strpos($resource,'http') === 0) {
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$channel = str_replace('~','',basename($resource));
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}
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$r = q("select * from channel left join xchan on channel_hash = xchan_hash
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where channel_address = '%s' limit 1",
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dbesc($channel)
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);
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}
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header('Access-Control-Allow-Origin: *');
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header('Content-type: application/jrd+json');
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if($resource && $r) {
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$result['subject'] = $resource;
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$aliases = array(
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'acct:' . $r[0]['channel_address'] . '@' . $a->get_hostname(),
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z_root() . '/channel/' . $r[0]['channel_address'],
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z_root() . '/~' . $r[0]['channel_address']
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);
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$result['aliases'] = array();
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$result['properties'] = array('http://webfinger.net/ns/name' => $r[0]['channel_name']);
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foreach($aliases as $alias)
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if($alias != $resource)
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$result['aliases'][] = $alias;
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$result['links'] = array(
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array(
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'rel' => 'http://webfinger.net/rel/avatar',
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'type' => $r[0]['xchan_photo_mimetype'],
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'href' => $r[0]['xchan_photo_l']
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),
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array(
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'rel' => 'http://webfinger.net/rel/profile-page',
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'href' => z_root() . '/profile/' . $r[0]['channel_address'],
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),
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array(
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'rel' => 'http://webfinger.net/rel/blog',
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'href' => z_root() . '/channel/' . $r[0]['channel_address'],
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),
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array(
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'rel' => 'http://purl.org/zot/protocol',
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'href' => z_root() . '/.well-known/zot-info' . '?address=' . $r[0]['xchan_addr'],
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)
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);
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}
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else {
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header($_SERVER["SERVER_PROTOCOL"] . ' ' . 400 . ' ' . 'Bad Request');
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killme();
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}
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$arr = array('channel' => $r[0], 'request' => $_REQUEST, 'result' => $result);
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call_hooks('webfinger',$arr);
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echo json_encode($arr['result']);
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killme();
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} |