internalRedirect('ostatus_subscribe');
		// NOTREACHED
	}
	$o = '
' . L10n::t('Subscribing to OStatus contacts') . '
';
	$uid = local_user();
	$a = \get_app();
	$counter = intval($_REQUEST['counter']);
	if (PConfig::get($uid, 'ostatus', 'legacy_friends') == '') {
		if ($_REQUEST['url'] == '') {
			PConfig::delete($uid, 'ostatus', 'legacy_contact');
			return $o . L10n::t('No contact provided.');
		}
		$contact = Probe::uri($_REQUEST['url']);
		if (!$contact) {
			PConfig::delete($uid, 'ostatus', 'legacy_contact');
			return $o . L10n::t('Couldn\'t fetch information for contact.');
		}
		$api = $contact['baseurl'] . '/api/';
		// Fetching friends
		$curlResult = Network::curl($api . 'statuses/friends.json?screen_name=' . $contact['nick']);
		if (!$curlResult->isSuccess()) {
			PConfig::delete($uid, 'ostatus', 'legacy_contact');
			return $o . L10n::t('Couldn\'t fetch friends for contact.');
		}
		PConfig::set($uid, 'ostatus', 'legacy_friends', $curlResult->getBody());
	}
	$friends = json_decode(PConfig::get($uid, 'ostatus', 'legacy_friends'));
	if (empty($friends)) {
		$friends = [];
	}
	$total = sizeof($friends);
	if ($counter >= $total) {
		$a->page['htmlhead'] = '';
		PConfig::delete($uid, 'ostatus', 'legacy_friends');
		PConfig::delete($uid, 'ostatus', 'legacy_contact');
		$o .= L10n::t('Done');
		return $o;
	}
	$friend = $friends[$counter++];
	$url = $friend->statusnet_profile_url;
	$o .= '' . $counter . '/' . $total . ': ' . $url;
	$probed = Probe::uri($url);
	if ($probed['network'] == Protocol::OSTATUS) {
		$result = Contact::createFromProbe($uid, $url, true, Protocol::OSTATUS);
		if ($result['success']) {
			$o .= ' - ' . L10n::t('success');
		} else {
			$o .= ' - ' . L10n::t('failed');
		}
	} else {
		$o .= ' - ' . L10n::t('ignored');
	}
	$o .= '
';
	$o .= '' . L10n::t('Keep this window open until done.') . '
';
	$a->page['htmlhead'] = '';
	return $o;
}