Exemple #1
0
    def POST(self, username):
        """
        Manage user principals
        """
        # LDAP authentication
        is_admin_auth, message = tools.ldap_authentification(SERVER_OPTS, admin=True)
        if not is_admin_auth:
            return tools.response_render(message, http_code='401 Unauthorized')

        pg_conn, message = TOOLS.pg_connection()
        if pg_conn is None:
            return tools.response_render(message, http_code='503 Service Unavailable')
        cur = pg_conn.cursor()

        payload, message = tools.data2map()
        if message:
            return tools.response_render(message, http_code='400 Bad Request')

        if 'add' not in payload and \
            'remove' not in payload and \
            'update' not in payload and \
            'purge' not in payload:
            return tools.response_render(
                '[ERROR] Unknown action',
                http_code='400 Bad Request')

        # Search if username exists
        values = {'username': username}
        cur.execute(
            """
            SELECT NAME,PRINCIPALS,REALNAME FROM USERS WHERE NAME=(%(username)s)
            """, values)
        user = cur.fetchone()
        # If user dont exist
        if user is None:
            cur.close()
            pg_conn.close()
            return tools.response_render(
                "ERROR: {} doesn't exist".format(username),
                http_code='400 Bad Request')
        values['principals'] = user[1]

        for key, value in payload.items():
            value = unquote_plus(value)
            if key == 'add':
                for principal in value.split(','):
                    if constants.PATTERN_PRINCIPALS.match(principal) is None:
                        return tools.response_render(
                            "Error: principal doesn't match pattern {}".format(
                                constants.PATTERN_PRINCIPALS.pattern),
                            http_code='400 Bad Request')
                if values['principals']:
                    values['principals'] += ',' + value
                else:
                    values['principals'] = value
            elif key == 'remove':
                principals = values['principals'].split(',')
                for principal in value.split(','):
                    if constants.PATTERN_PRINCIPALS.match(principal) is None:
                        return tools.response_render(
                            "Error: principal doesn't match pattern {}".format(
                                constants.PATTERN_PRINCIPALS.pattern),
                            http_code='400 Bad Request')
                    if principal in principals:
                        principals.remove(principal)
                values['principals'] = ','.join(principals)
            elif key == 'update':
                for principal in value.split(','):
                    if constants.PATTERN_PRINCIPALS.match(principal) is None:
                        return tools.response_render(
                            "Error: principal doesn't match pattern {}".format(
                                constants.PATTERN_PRINCIPALS.pattern),
                            http_code='400 Bad Request')
                values['principals'] = value
            elif key == 'purge':
                values['principals'] = username

        list_membership, _ = tools.get_memberof(
            user[2],
            SERVER_OPTS)
        values['principals'] = tools.truncate_principals(
            values['principals'],
            list_membership,
            SERVER_OPTS)

        cur.execute(
            """
            UPDATE USERS SET PRINCIPALS=(%(principals)s) WHERE NAME=(%(username)s)
            """, values)
        pg_conn.commit()
        cur.close()
        pg_conn.close()

        # Add LDAP principals
        values['principals'] = tools.merge_principals(
            values['principals'],
            list_membership,
            SERVER_OPTS)

        return tools.response_render(
            "OK: {} principals are '{}'".format(username, values['principals']))
Exemple #2
0
    def POST(self):
        """
        Search user's principals by filter
        """
        # LDAP authentication
        is_admin_auth, message = tools.ldap_authentification(SERVER_OPTS, admin=True)
        if not is_admin_auth:
            return tools.response_render(message, http_code='401 Unauthorized')

        pg_conn, message = TOOLS.pg_connection()
        if pg_conn is None:
            return tools.response_render(message, http_code='503 Service Unavailable')
        cur = pg_conn.cursor()

        payload, message = tools.data2map()
        if message:
            return tools.response_render(message, http_code='400 Bad Request')

        if 'filter' not in payload:
            return tools.response_render(
                '[ERROR] Unknown action',
                http_code='400 Bad Request')

        cur.execute(
            """
            SELECT NAME,PRINCIPALS,REALNAME FROM USERS
            """)
        all_principals = cur.fetchall()
        pg_conn.commit()
        cur.close()
        pg_conn.close()

        if SERVER_OPTS['ldap']:
            ldap_conn, _ = tools.get_ldap_conn(
                SERVER_OPTS['ldap_host'],
                SERVER_OPTS['ldap_username'],
                SERVER_OPTS['ldap_password'])

        result = dict()

        for key, value in payload.items():
            value = unquote_plus(value)
            if key == 'filter' and value == '':
                for name, custom_principals, realname in all_principals:
                    if not isinstance(custom_principals, str):
                        continue
                    list_membership, _ = tools.get_memberof(
                        realname,
                        SERVER_OPTS,
                        reuse=ldap_conn)
                    result[name] = tools.merge_principals(
                        custom_principals,
                        list_membership,
                        SERVER_OPTS).split(',')
            elif key == 'filter':
                for principal in value.split(','):
                    for name, custom_principals, realname in all_principals:
                        if not isinstance(custom_principals, str):
                            continue
                        list_membership, _ = tools.get_memberof(
                            realname,
                            SERVER_OPTS,
                            reuse=ldap_conn)
                        principals = tools.merge_principals(
                            custom_principals,
                            list_membership,
                            SERVER_OPTS).split(',')
                        if principal in principals:
                            if name not in result:
                                result[name] = list()
                            result[name].append(principal)

        return tools.response_render(dumps(result))
Exemple #3
0
    def POST(self):
        """
        Ask to sign pub key.
        /client
            username=xxxxxx          => Unique username. Used by default to connect on server.
            [email protected] => This LDAP/AD user.

            # Optionnal
            admin_force=true|false
        """
        # LDAP authentication
        is_auth, message = tools.ldap_authentification(SERVER_OPTS)
        if not is_auth:
            return tools.response_render(message, http_code='401 Unauthorized')

        # Check if user is an admin and want to force signature when db fail
        force_sign = False

        # LDAP ADMIN authentication
        is_admin_auth, message = tools.ldap_authentification(
            SERVER_OPTS, admin=True)

        payload, message = tools.data2map()
        if message:
            return tools.response_render(message, http_code='400 Bad Request')

        if is_admin_auth and SERVER_OPTS['admin_db_failover'] \
            and 'admin_force' in payload and payload['admin_force'].lower() == 'true':
            force_sign = True

        # Get username
        if 'username' in payload:
            username = payload['username']
        else:
            return tools.response_render(
                'Error: No username option given.',
                http_code='400 Bad Request')
        if username == 'all':
            return tools.response_render(
                "Error: username not valid.",
                http_code='400 Bad Request')

        # Get realname
        if 'realname' in payload:
            realname = unquote_plus(payload['realname'])
        else:
            return tools.response_render(
                'Error: No realname option given.',
                http_code='400 Bad Request')

        # Get public key
        if 'pubkey' in payload:
            pubkey = tools.unquote_custom(payload['pubkey'])
        else:
            return tools.response_render(
                'Error: No pubkey given.',
                http_code='400 Bad Request')
        tmp_pubkey = NamedTemporaryFile(delete=False)
        tmp_pubkey.write(bytes(pubkey, 'utf-8'))
        tmp_pubkey.close()

        pubkey_fingerprint = get_fingerprint(tmp_pubkey.name)
        if pubkey_fingerprint == 'Unknown':
            remove(tmp_pubkey.name)
            return tools.response_render(
                'Error : Public key unprocessable',
                http_code='422 Unprocessable Entity')

        pg_conn, message = TOOLS.pg_connection()
        # Admin force signature case
        if pg_conn is None and force_sign:
            cert_contents = TOOLS.sign_key(tmp_pubkey.name, username, '+12h', username)
            remove(tmp_pubkey.name)
            return tools.response_render(cert_contents, content_type='application/octet-stream')
        # Check if db is up
        if pg_conn is None:
            remove(tmp_pubkey.name)
            return tools.response_render(message, http_code='503 Service Unavailable')
        cur = pg_conn.cursor()

        # Search if user already exists
        cur.execute(
            """
            SELECT NAME,REALNAME,STATE,EXPIRY,PRINCIPALS,SSH_KEY FROM USERS
            WHERE NAME=lower(%s)
            """, (username,))
        user = cur.fetchone()
        if user is None:
            cur.close()
            pg_conn.close()
            remove(tmp_pubkey.name)
            return tools.response_render(
                'Error : User absent, please create an account.',
                http_code='400 Bad Request')

        # Get database key fingerprint
        db_pubkey = NamedTemporaryFile(delete=False)
        db_pubkey.write(bytes(user[5], 'utf-8'))
        db_pubkey.close()
        db_pubkey_fingerprint = get_fingerprint(db_pubkey.name)
        remove(db_pubkey.name)

        if db_pubkey_fingerprint == 'Unknown':
            remove(tmp_pubkey.name)
            return tools.response_render(
                'Error : Public key from database unprocessable',
                http_code='422 Unprocessable Entity')

        if username != user[0] or \
            realname != user[1] or \
            db_pubkey_fingerprint != pubkey_fingerprint:
            cur.close()
            pg_conn.close()
            remove(tmp_pubkey.name)
            return tools.response_render(
                'Error : (username, realname, pubkey) triple mismatch.',
                http_code='401 Unauthorized')

        status = user[2]
        expiry = user[3]
        custom_principals = tools.clean_principals_output(user[4], username, shell=True)
        list_membership, _ = tools.get_memberof(
            realname,
            SERVER_OPTS)
        full_principals = tools.merge_principals(custom_principals, list_membership, SERVER_OPTS)

        if status > 0:
            cur.close()
            pg_conn.close()
            remove(tmp_pubkey.name)
            return tools.response_render("Status: %s" % constants.STATES[user[2]])

        cert_contents = TOOLS.sign_key(
            tmp_pubkey.name, username, expiry, full_principals, db_cursor=cur)

        remove(tmp_pubkey.name)
        pg_conn.commit()
        cur.close()
        pg_conn.close()
        return tools.response_render(
            cert_contents,
            content_type='application/octet-stream')