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|
<?php
namespace Zotlabs\Module;
require_once('include/zot.php');
class Chanview extends \Zotlabs\Web\Controller {
function get() {
$observer = \App::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_channel() && intval($_REQUEST['cid'])) {
$r = q("SELECT abook.*, xchan.*
FROM abook left join xchan on abook_xchan = xchan_hash
WHERE abook_channel = %d and abook_id = %d LIMIT 1",
intval(local_channel()),
intval($_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($r) {
\App::$poi = $r[0];
}
// Here, let's see if we have an xchan. If we don't, how we proceed is determined by what
// info we do have. If it's a URL, we can offer to visit it directly. If it's a webbie or
// address, we can and should try to import it. If it's just a hash, we can't continue, but we
// probably wouldn't have a hash if we don't already have an xchan for this channel.
if(! \App::$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));
}
$r = null;
if($_REQUEST['address']) {
$j = \Zotlabs\Zot\Finger::run($_REQUEST['address'],null);
if($j['success']) {
import_xchan($j);
$r = q("select * from xchan where xchan_addr = '%s' limit 1",
dbesc($_REQUEST['address'])
);
if($r) {
\App::$poi = $r[0];
}
}
if(! $r) {
if(discover_by_webbie($_REQUEST['address'])) {
$r = q("select * from xchan where xchan_addr = '%s' limit 1",
dbesc($_REQUEST['address'])
);
if($r) {
\App::$poi = $r[0];
}
}
}
}
}
if(! \App::$poi) {
// We don't know who this is, and we can't figure it out from the URL
// On the plus side, there's a good chance we know somebody else at that
// hub so sending them there with a Zid will probably work anyway.
$url = ($_REQUEST['url']);
if(! $url) {
notice( t('Channel not found.') . EOL);
return;
}
if($observer)
$url = zid($url);
}
$is_zot = false;
$connected = false;
if (\App::$poi) {
$url = \App::$poi['xchan_url'];
if(\App::$poi['xchan_network'] === 'zot') {
$is_zot = true;
}
if(local_channel()) {
$c = q("select abook_id from abook where abook_channel = %d and abook_xchan = '%s' limit 1",
intval(local_channel()),
dbesc(\App::$poi['xchan_hash'])
);
if($c)
$connected = true;
}
// We will load the chanview template if it's a foreign network,
// just so that we can provide a connect button along with a profile
// photo. Chances are we can't load the remote profile into an iframe
// because of cross-domain security headers. So provide a link to
// the remote profile.
// If we are already connected, just go to the profile.
// Zot channels will usually have a connect link.
if($is_zot || $connected) {
if($is_zot && $observer) {
$url = zid($url);
}
goaway($url);
}
else {
$o = replace_macros(get_markup_template('chanview.tpl'),array(
'$url' => $url,
'$full' => t('toggle full screen mode')
));
return $o;
}
}
}
|
