Github user fpj commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/84#discussion_r85642282 --- Diff: src/java/main/org/apache/zookeeper/server/auth/ServerAuthenticationProvider.java --- @@ -0,0 +1,79 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.zookeeper.server.auth; + +import org.apache.zookeeper.KeeperException; +import org.apache.zookeeper.data.ACL; +import org.apache.zookeeper.server.ServerCnxn; +import org.apache.zookeeper.server.ZooKeeperServer; + +import java.util.List; + +/** + * A variation on {@link AuthenticationProvider} that provides additional + * parameters for more detailed authentication + */ +public abstract class ServerAuthenticationProvider implements AuthenticationProvider { + /** + * This method is called when a client passes authentication data for this + * scheme. The authData is directly from the authentication packet. The + * implementor may attach new ids to the authInfo field of cnxn or may use + * cnxn to send packets back to the client. + * + * @param cnxn + * the cnxn that received the authentication information. + * @param authData + * the authentication data received. + * @return indication of success or failure + */ + public abstract KeeperException.Code handleAuthentication(ZooKeeperServer zks, ServerCnxn cnxn, byte authData[]); + + /** + * This method is called to see if the given id matches the given id + * expression in the ACL. This allows schemes to use application specific + * wild cards. + * + * @param zks + * the ZooKeeper server instance + * @param cnxn + * the active server connection being authenticated + * @param path + * the path of the operation being authenticated + * @param id + * the id to check. + * @param aclExpr + * the expression to match ids against. + * @param perm + * the permission value being authenticated + * @param setAcls + * for set ACL operations, the list of ACLs being set. Otherwise null. + * @return true if the arguments can be matched by the expression. + */ + public abstract boolean matches(ZooKeeperServer zks, ServerCnxn cnxn, String path, String id, String aclExpr, int perm, List<ACL> setAcls); --- End diff -- Can we break this line, please?
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