/* * 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.hadoop.hbase.security.access; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import java.util.Objects; import org.apache.hadoop.hbase.NamespaceDescriptor; import org.apache.hadoop.hbase.util.Bytes; import org.apache.yetus.audience.InterfaceAudience; /** * Represents an authorization for access for the given namespace. */ @InterfaceAudience.Public public class NamespacePermission extends Permission { private String namespace = NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR; /** * Construct a namespace permission. * @param namespace namespace's name * @param assigned assigned actions */ NamespacePermission(String namespace, Action... assigned) { super(assigned); this.namespace = namespace; this.scope = Scope.NAMESPACE; } public String getNamespace() { return namespace; } /** * check if given action is granted in given namespace. * @param namespace namespace's name * @param action action to be checked * @return true if granted, false otherwise */ public boolean implies(String namespace, Action action) { return namespace.equals(this.namespace) && implies(action); } @Override public boolean equalsExceptActions(Object obj) { if (!(obj instanceof NamespacePermission)) { return false; } NamespacePermission gp = (NamespacePermission) obj; return namespace.equals(gp.namespace); } @Override public int hashCode() { return Objects.hash(namespace) + super.hashCode(); } @Override public boolean equals(Object obj) { return equalsExceptActions(obj) && super.equals(obj); } @Override public String toString() { return "[NamespacePermission: " + rawExpression() + "]"; } @Override protected String rawExpression() { StringBuilder raw = new StringBuilder("namespace=").append(namespace).append(", "); return raw.toString() + super.rawExpression(); } @Override public void readFields(DataInput in) throws IOException { super.readFields(in); namespace = Bytes.toString(Bytes.readByteArray(in)); } @Override public void write(DataOutput out) throws IOException { super.write(out); Bytes.writeByteArray(out, Bytes.toBytes(namespace)); } }