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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.proxy.frontend.mysql.authentication.authenticator;
19  
20  import lombok.Getter;
21  import lombok.RequiredArgsConstructor;
22  import org.apache.shardingsphere.authentication.AuthenticatorType;
23  import org.apache.shardingsphere.proxy.frontend.mysql.authentication.authenticator.impl.MySQLCachingSha2PasswordAuthenticator;
24  import org.apache.shardingsphere.proxy.frontend.mysql.authentication.authenticator.impl.MySQLClearPasswordAuthenticator;
25  import org.apache.shardingsphere.proxy.frontend.mysql.authentication.authenticator.impl.MySQLNativePasswordAuthenticator;
26  
27  /**
28   * Authenticator type for MySQL.
29   */
30  @RequiredArgsConstructor
31  @Getter
32  public enum MySQLAuthenticatorType implements AuthenticatorType {
33      
34      // TODO impl OLD_PASSWORD Authenticator
35      OLD_PASSWORD(MySQLNativePasswordAuthenticator.class),
36      
37      NATIVE(MySQLNativePasswordAuthenticator.class, true),
38      
39      CLEAR_TEXT(MySQLClearPasswordAuthenticator.class),
40      
41      // TODO impl WINDOWS_NATIVE Authenticator
42      WINDOWS_NATIVE(MySQLNativePasswordAuthenticator.class),
43      
44      // TODO impl SHA256 Authenticator
45      SHA256(MySQLNativePasswordAuthenticator.class),
46      
47      CACHING_SHA2_PASSWORD(MySQLCachingSha2PasswordAuthenticator.class);
48      
49      private final Class<? extends MySQLAuthenticator> authenticatorClass;
50      
51      private final boolean isDefault;
52      
53      MySQLAuthenticatorType(final Class<? extends MySQLAuthenticator> authenticatorClass) {
54          this(authenticatorClass, false);
55      }
56  }