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https://codeberg.org/streams/streams.git
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190 lines
6.8 KiB
PHP
190 lines
6.8 KiB
PHP
<?php
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namespace Code\Module;
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use App;
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use Code\Web\Controller;
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use Code\Lib\Libzot;
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use Code\Lib\Zotfinger;
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use Code\Lib\Webfinger;
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use Code\Lib\Activity;
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use Code\Render\Theme;
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class Chanview extends Controller
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{
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public function get()
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{
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$load_outbox = false;
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$observer = App::get_observer();
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$xchan = null;
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$r = null;
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if ($_REQUEST['hash']) {
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$r = q(
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"select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($_REQUEST['hash'])
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);
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}
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if ($_REQUEST['address']) {
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$r = q(
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"select * from xchan where xchan_addr = '%s' limit 1",
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dbesc(punify($_REQUEST['address']))
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);
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} elseif (local_channel() && intval($_REQUEST['cid'])) {
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$r = q(
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"SELECT abook.*, xchan.*
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FROM abook left join xchan on abook_xchan = xchan_hash
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WHERE abook_channel = %d and abook_id = %d LIMIT 1",
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intval(local_channel()),
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intval($_REQUEST['cid'])
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);
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} elseif ($_REQUEST['url']) {
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// if somebody re-installed they will have more than one xchan, use the most recent name date as this is
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// the most useful consistently ascending table item we have.
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$r = q(
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"select * from hubloc left join xchan on hubloc_hash = xchan_hash where (hubloc_url = '%s' or hubloc_id_url = '%s') and hubloc_deleted = 0 order by xchan_name_date desc limit 1",
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dbesc($_REQUEST['url']),
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dbesc($_REQUEST['url'])
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);
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}
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if ($r) {
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App::$poi = array_shift($r);
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}
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// Here, let's see if we have an xchan. If we don't, how we proceed is determined by what
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// info we do have. If it's a URL, we can offer to visit it directly. If it's a webbie or
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// address, we can and should try to import it. If it's just a hash, we can't continue, but we
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// probably wouldn't have a hash if we don't already have an xchan for this channel.
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if (!App::$poi) {
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logger('mod_chanview: fallback');
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// This is hackish - construct a zot address from the url
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if ($_REQUEST['url']) {
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if (preg_match('/https?:\/\/(.*?)(\/channel\/|\/profile\/)(.*?)$/ism', $_REQUEST['url'], $matches)) {
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$_REQUEST['address'] = $matches[3] . '@' . $matches[1];
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}
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logger('mod_chanview: constructed address ' . print_r($matches, true));
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}
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$r = null;
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if ($_REQUEST['address']) {
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$href = Webfinger::nomad_url(punify($_REQUEST['address']));
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if ($href) {
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$zf = Zotfinger::exec($href, $channel);
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}
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if (is_array($zf) && array_path_exists('signature/signer', $zf) && $zf['signature']['signer'] === $href && intval($zf['signature']['header_valid'])) {
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$xc = Libzot::import_xchan($zf['data']);
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$r = q(
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"select * from xchan where xchan_addr = '%s' limit 1",
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dbesc($_REQUEST['address'])
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);
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if ($r) {
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App::$poi = $r[0];
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}
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}
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if (!$r) {
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if (discover_resource($_REQUEST['address'])) {
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$r = q(
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"select * from xchan where xchan_addr = '%s' limit 1",
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dbesc($_REQUEST['address'])
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);
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if ($r) {
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App::$poi = $r[0];
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}
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}
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}
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}
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}
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if (!App::$poi) {
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notice(t('Channel not found.') . EOL);
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return '';
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}
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$is_zot = false;
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$connected = false;
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$url = App::$poi['xchan_url'];
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if (in_array(App::$poi['xchan_network'],['nomad','zot6'])) {
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$is_zot = true;
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}
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if (local_channel()) {
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$c = q(
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"select abook_id, abook_pending from abook where abook_channel = %d and abook_xchan = '%s' limit 1",
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intval(local_channel()),
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dbesc(App::$poi['xchan_hash'])
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);
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// if somebody followed us and we want to find out more, start
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// by viewing their publicly accessible information.
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// Otherwise the primary use of this page is to provide a connect
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// button for anybody in the fediverse - which doesn't have to ask
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// you who you are.
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if ($c && intval($c[0]['abook_pending']) === 0) {
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$connected = true;
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}
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$channel = App::get_channel();
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}
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if ($is_zot && $observer) {
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$url = zid($url);
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}
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// If we are already connected, just go to the profile.
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if ($connected) {
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goaway($url);
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} else {
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$about = false;
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$xprof = q(
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"select * from xprof where xprof_hash = '%s'",
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dbesc(App::$poi['xchan_hash'])
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);
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if ($xprof) {
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$about = zidify_links(bbcode($xprof[0]['xprof_about']));
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}
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$followers = t('Not available');
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$following = t('Not available');
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$f = get_xconfig(App::$poi['xchan_hash'], 'activitypub', 'collections');
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if ($f && isset($f['followers'])) {
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$m = Activity::fetch($f['followers']);
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if (is_array($m) && isset($m['totalItems'])) {
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$followers = intval($m['totalItems']);
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}
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}
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if ($f && isset($f['following'])) {
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$m = Activity::fetch($f['following']);
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if (is_array($m) && isset($m['totalItems'])) {
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$following = intval($m['totalItems']);
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}
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}
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$o = replace_macros(Theme::get_template('chanview.tpl'), [
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'$url' => $url,
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'$photo' => get_xconfig(App::$poi['xchan_hash'], 'system', 'cover_photo'),
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'$alt' => t('Cover photo for this channel'),
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'$about' => $about,
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'$followers_txt' => t('Followers'),
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'$following_txt' => t('Following'),
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'$followers' => $followers,
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'$following' => $following,
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'$visit' => t('Visit'),
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'$outbox' => $load_outbox,
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'$view' => t('View Recent'),
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'$recentlink' => z_root() . '/stream/?xchan=' . urlencode(App::$poi['xchan_hash']),
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'$full' => t('toggle full screen mode')
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]);
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return $o;
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}
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}
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}
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