diff options
Diffstat (limited to 'sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java')
-rw-r--r-- | sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java new file mode 100644 index 0000000000..4b95503eb1 --- /dev/null +++ b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/AuthenticationProviderFactory.java @@ -0,0 +1,71 @@ +/** + * 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.hive.service.auth; + +import javax.security.sasl.AuthenticationException; + +/** + * This class helps select a {@link PasswdAuthenticationProvider} for a given {@code AuthMethod}. + */ +public final class AuthenticationProviderFactory { + + public enum AuthMethods { + LDAP("LDAP"), + PAM("PAM"), + CUSTOM("CUSTOM"), + NONE("NONE"); + + private final String authMethod; + + AuthMethods(String authMethod) { + this.authMethod = authMethod; + } + + public String getAuthMethod() { + return authMethod; + } + + public static AuthMethods getValidAuthMethod(String authMethodStr) + throws AuthenticationException { + for (AuthMethods auth : AuthMethods.values()) { + if (authMethodStr.equals(auth.getAuthMethod())) { + return auth; + } + } + throw new AuthenticationException("Not a valid authentication method"); + } + } + + private AuthenticationProviderFactory() { + } + + public static PasswdAuthenticationProvider getAuthenticationProvider(AuthMethods authMethod) + throws AuthenticationException { + if (authMethod == AuthMethods.LDAP) { + return new LdapAuthenticationProviderImpl(); + } else if (authMethod == AuthMethods.PAM) { + return new PamAuthenticationProviderImpl(); + } else if (authMethod == AuthMethods.CUSTOM) { + return new CustomAuthenticationProviderImpl(); + } else if (authMethod == AuthMethods.NONE) { + return new AnonymousAuthenticationProviderImpl(); + } else { + throw new AuthenticationException("Unsupported authentication method"); + } + } +} |