streams/Code/Module/Connect.php

<?php

namespace Code\Module;

use App;
use Code\Web\Controller;
use Code\Daemon\Run;
use Code\Lib\Libprofile;
use Code\Lib\Channel;
use Code\Extend\Hook;
use Code\Render\Theme;

    
class Connect extends Controller
{

    public function init()
    {
        if (argc() > 1) {
            App::$data['channel'] = Channel::from_username(argv(1));
            Libprofile::load(argv(1), EMPTY_STR);
        } else {
            notice(t('Requested profile is not available.') . EOL);
            App::$error = 404;
            return;
        }
    }

    public function post()
    {

        if (!array_key_exists('channel', App::$data)) {
            return;
        }

        $edit = ((local_channel() && (local_channel() == App::$data['channel']['channel_id'])) ? true : false);

        if ($edit) {
            $has_premium = ((App::$data['channel']['channel_pageflags'] & PAGE_PREMIUM) ? 1 : 0);
            $premium = (($_POST['premium']) ? intval($_POST['premium']) : 0);
            $text = escape_tags($_POST['text']);

            if ($has_premium != $premium) {
                $r = q(
                    "update channel set channel_pageflags = ( channel_pageflags %s %d ) where channel_id = %d",
                    db_getfunc('^'),
                    intval(PAGE_PREMIUM),
                    intval(local_channel())
                );

                Run::Summon(['Notifier', 'refresh_all', App::$data['channel']['channel_id']]);
            }
            set_pconfig(App::$data['channel']['channel_id'], 'system', 'selltext', $text);
            // reload the page completely to get fresh data
            goaway(z_root() . '/' . App::$query_string);
        }

        $url = EMPTY_STR;
        $observer = App::get_observer();
        if (($observer) && ($_POST['submit'] === t('Continue'))) {
            if ($observer['xchan_follow']) {
                $url = sprintf($observer['xchan_follow'], urlencode(Channel::get_webfinger(App::$data['channel'])));
            }
            if (!$url) {
                $r = q(
                    "select * from hubloc where hubloc_hash = '%s' and hubloc_deleted = 0 order by hubloc_id desc limit 1",
                    dbesc($observer['xchan_hash'])
                );
                if ($r) {
                    $url = $r[0]['hubloc_url'] . '/follow?f=&url=' . urlencode(Channel::get_webfinger(App::$data['channel']));
                }
            }
        }
        if ($url) {
            goaway($url . '&confirm=1');
        } else {
            notice('Unable to connect to your home hub location.');
        }
    }


    public function get()
    {

        $edit = ((local_channel() && (local_channel() == App::$data['channel']['channel_id'])) ? true : false);

        $text = get_pconfig(App::$data['channel']['channel_id'], 'system', 'selltext');

        if ($edit) {
            $o = replace_macros(Theme::get_template('sellpage_edit.tpl'), [
                '$header' => t('Premium Channel Setup'),
                '$address' => App::$data['channel']['channel_address'],
                '$premium' => ['premium', t('Enable premium channel connection restrictions'), ((App::$data['channel']['channel_pageflags'] & PAGE_PREMIUM) ? '1' : ''), ''],
                '$lbl_about' => t('Please enter your restrictions or conditions, such as paypal receipt, usage guidelines, etc.'),
                '$text' => $text,
                '$desc' => t('This channel may require additional steps or acknowledgement of the following conditions prior to connecting:'),
                '$lbl2' => t('Potential connections will then see the following text before proceeding:'),
                '$desc2' => t('By continuing, I certify that I have complied with any instructions provided on this page.'),
                '$submit' => t('Submit'),


            ]);
            return $o;
        } else {
            if (!$text) {
                $text = t('(No specific instructions have been provided by the channel owner.)');
            }

            $submit = replace_macros(Theme::get_template('sellpage_submit.tpl'), [
                '$continue' => t('Continue'),
                '$address' => App::$data['channel']['channel_address']
            ]);

            $o = replace_macros(Theme::get_template('sellpage_view.tpl'), [
                '$header' => t('Restricted or Premium Channel'),
                '$desc' => t('This channel may require additional steps or acknowledgement of the following conditions prior to connecting:'),
                '$text' => prepare_text($text),

                '$desc2' => t('By continuing, I certify that I have complied with any instructions provided on this page.'),
                '$submit' => $submit,

            ]);

            $arr = ['channel' => App::$data['channel'], 'observer' => App::get_observer(), 'sellpage' => $o, 'submit' => $submit];
            Hook::call('connect_premium', $arr);
            $o = $arr['sellpage'];
        }

        return $o;
    }
}