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<?php
/**
* @class AccessControlQueryComponent
* Access control component.
* @author Curverider Ltd
* @see Query
*/
class AccessControlQueryComponent extends QueryComponent
{
/**
* Construct the ACL.
*
* @param string $acl_table The table where the access control field is.
* @param string $acl_field The field containing the access control.
* @param string $object_owner_table The table containing the owner information for the stuff you're retrieving.
* @param string $object_owner_id_field The field in $object_owner_table containing the owner information
*/
function __construct($acl_table = "entities", $acl_field = "access_id", $object_owner_table = "entities", $object_owner_id_field = "owner_guid")
{
global $CONFIG;
$this->acl_table = $CONFIG->dbprefix . sanitise_string($acl_table);
$this->acl_field = sanitise_string($acl_field);
$this->object_owner_table = $CONFIG->dbprefix . sanitise_string($object_owner_table);
$this->object_owner_id_field = sanitise_string($object_owner_id_field);
}
function __toString()
{
//$access = get_access_list();
// KJ - changed to use get_access_sql_suffix
// Note: currently get_access_sql_suffix is hardwired to use
// $acl_field = "access_id", $object_owner_table = $acl_table, and
// $object_owner_id_field = "owner_guid"
// @todo recode get_access_sql_suffix to make it possible to specify alternate field names
return "and ".get_access_sql_suffix($this->acl_table); // Add access controls
//return "and ({$this->acl_table}.{$this->acl_field} in {$access} or ({$this->acl_table}.{$this->acl_field} = 0 and {$this->object_owner_table}.{$this->object_owner_id_field} = {$_SESSION['id']}))";
}
}
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