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<?php
require_once('include/Contact.php');
require_once('include/zot.php');
function chanview_content(&$a) {
$observer = $a->get_observer();
$xchan = null;
$r = null;
if($_REQUEST['hash']) {
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($_REQUEST['hash'])
);
}
if($_REQUEST['address']) {
$r = q("select * from xchan where xchan_addr = '%s' limit 1",
dbesc($_REQUEST['address'])
);
}
elseif(local_user() && intval($_REQUEST['cid'])) {
$r = q("SELECT abook.*, xchan.*
FROM abook left join xchan on abook_xchan = xchan_hash
WHERE abook_channel = %d and abook_id = %d LIMIT 1",
intval(local_user()),
intval($_REQUEST['cid'])
);
}
elseif($_REQUEST['url']) {
// if somebody re-installed they will have more than one xchan, use the most recent name date as this is
// the most useful consistently ascending table item we have.
$r = q("select * from xchan where xchan_url = '%s' order by xchan_name_date desc limit 1",
dbesc($_REQUEST['url'])
);
}
if($r) {
$a->poi = $r[0];
}
// Here, let's see if we have an xchan. If we don't, how we proceed is determined by what
// info we do have. If it's a URL, we can offer to visit it directly. If it's a webbie or
// address, we can and should try to import it. If it's just a hash, we can't continue, but we
// probably wouldn't have a hash if we don't already have an xchan for this channel.
if(! $a->poi) {
logger('mod_chanview: fallback');
// This is hackish - construct a zot address from the url
if($_REQUEST['url']) {
if(preg_match('/https?\:\/\/(.*?)(\/channel\/|\/profile\/)(.*?)$/ism',$_REQUEST['url'],$matches)) {
$_REQUEST['address'] = $matches[3] . '@' . $matches[1];
}
logger('mod_chanview: constructed address ' . print_r($matches,true));
}
if($_REQUEST['address']) {
$ret = zot_finger($_REQUEST['address'],null);
if($ret['success']) {
$j = json_decode($ret['body'],true);
if($j)
import_xchan($j);
$r = q("select * from xchan where xchan_addr = '%s' limit 1",
dbesc($_REQUEST['address'])
);
if($r)
$a->poi = $r[0];
}
}
}
if(! $a->poi) {
notice( t('Channel not found.') . EOL);
return;
}
if(is_foreigner($a->poi['xchan_hash']))
$url = $a->poi['xchan_url'];
else {
$url = (($observer)
? z_root() . '/magic?f=&dest=' . $a->poi['xchan_url'] . '&addr=' . $a->poi['xchan_addr']
: $a->poi['xchan_url']
);
}
// let somebody over-ride the iframed viewport presentation
if(local_user() && get_pconfig(local_user(),'system','chanview_full'))
goaway($url);
$o = replace_macros(get_markup_template('chanview.tpl'),array(
'$url' => $url,
'$full' => t('toggle full screen mode')
));
return $o;
}
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