CCrmPerms::GetPermType

public function GetPermType($permEntity, $permType = 'READ', $arEntityAttr = array())
{
	if (self::IsAdmin($this->userId))
		return self::PERM_ALL;

	if (!isset($this->arUserPerms[$permEntity][$permType]))
		return self::PERM_NONE;

	if($permType === 'READ'
		&& (in_array(self::ATTR_READ_ALL, $arEntityAttr, true)
			|| in_array('CU'.$this->userId, $arEntityAttr, true)
		)
	)
	{
		return self::PERM_ALL;
	}

	$icnt = count($this->arUserPerms[$permEntity][$permType]);

	if ($icnt == 1 && isset($this->arUserPerms[$permEntity][$permType]['-']))
		return $this->arUserPerms[$permEntity][$permType]['-'];
	else if ($icnt > 1)
	{
		foreach ($this->arUserPerms[$permEntity][$permType] as $sField => $arFieldValue)
		{
			if ($sField == '-')
				continue ;
			foreach ($arFieldValue as $fieldValue => $sAttr)
			{
				if (in_array($sField.$fieldValue, $arEntityAttr))
					return $sAttr;
			}
		}
		return $this->arUserPerms[$permEntity][$permType]['-'];
	}
	else
		return self::PERM_NONE;
}