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path: root/mod/lockview.php
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<?php


function lockview_content(&$a) {
  
	$type = ((argc() > 1) ? argv(1) : 0);
	if (is_numeric($type)) {
		$item_id = intval($type);
		$type='item';
	} else {
		$item_id = ((argc() > 2) ? intval(argv(2)) : 0);
	}
  
	if(! $item_id)
		killme();

	if (!in_array($type, array('item','photo','event')))
		killme();
     
	$r = q("SELECT * FROM %s WHERE id = %d LIMIT 1",
		dbesc($type),
		intval($item_id)
	);
	if(! $r)
		killme();

	$item = $r[0];

	if($item['uid'] != local_user())
		killme();

	if(($item['item_private'] == 1) && (! strlen($item['allow_cid'])) && (! strlen($item['allow_gid'])) 
		&& (! strlen($item['deny_cid'])) && (! strlen($item['deny_gid']))) {
		echo t('Remote privacy information not available.') . '<br />';
		killme();
	}

	$allowed_users = expand_acl($item['allow_cid']);
	$allowed_groups = expand_acl($item['allow_gid']);
	$deny_users = expand_acl($item['deny_cid']);
	$deny_groups = expand_acl($item['deny_gid']);

	$o = t('Visible to:') . '<br />';
	$l = array();

	stringify_array_elms($allowed_groups,true);
	stringify_array_elms($allowed_users,true);
	stringify_array_elms($deny_groups,true);
	stringify_array_elms($deny_users,true);

	if(count($allowed_groups)) {
		$r = q("SELECT name FROM `group` WHERE hash IN ( " . implode(', ', $allowed_groups) . " )");
		if($r)
			foreach($r as $rr) 
				$l[] = '<b>' . $rr['name'] . '</b>';
	}
	if(count($allowed_users)) {
		$r = q("SELECT xchan_name FROM xchan WHERE xchan_hash IN ( " . implode(', ',$allowed_users) . " )");
		if($r)
			foreach($r as $rr) 
				$l[] = $rr['xchan_name'];
	}
	if(count($deny_groups)) {
		$r = q("SELECT name FROM `group` WHERE hash IN ( " . implode(', ', $deny_groups) . " )");
		if($r)
			foreach($r as $rr) 
				$l[] = '<b><strike>' . $rr['name'] . '</strike></b>';
	}
	if(count($deny_users)) {
		$r = q("SELECT xchan_name FROM xchan WHERE xchan_hash IN ( " . implode(', ', $deny_users) . " )");
		if($r)
			foreach($r as $rr) 
				$l[] = '<strike>' . $rr['xchan_name'] . '</strike>';
	}

	echo $o . implode(', ', $l);
	killme();

}