rbuserdb.py 文件源码

def check_userfree(self, uid):
        """Check if a username is free.
        If username is already used or is an LDAP group, an
        RBFatalError is raised. If the username is in the additional
        reserved LDAP tree, an RBWarningError is raised and checked if
        it is to be overridden. """
        res = self.ldap.search_s(rbconfig.ldap_accounts_tree,
                                 ldap.SCOPE_ONELEVEL, 'uid=%s' % uid)
        if res:
            raise RBFatalError(
                "Username '%s' is already taken by %s account (%s)" %
                (uid, res[0][1]['objectClass'][0].decode(),
                 res[0][1]['cn'][0].decode()))
        res = self.ldap.search_s(rbconfig.ldap_group_tree, ldap.SCOPE_ONELEVEL,
                                 'cn=%s' % uid)
        if res:
            raise RBFatalError("Username '%s' is reserved (LDAP Group)" % uid)
        res = self.ldap.search_s(rbconfig.ldap_reserved_tree,
                                 ldap.SCOPE_ONELEVEL, 'uid=%s' % uid)
        if res:
            self.rberror(
                RBWarningError("Username '%s' is reserved (%s)" % (uid, res[0][
                    1]['description'][0].decode())))