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| org.apache.jetspeed.security.spi.impl.MessageDigestCredentialPasswordEncoder |
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| 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | package org.apache.jetspeed.security.spi.impl; |
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| 18 | ||
| 19 | import java.security.MessageDigest; |
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| 20 | import java.security.NoSuchAlgorithmException; |
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| 21 | ||
| 22 | import org.apache.commons.codec.binary.Base64; |
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| 23 | import org.apache.jetspeed.security.SecurityException; |
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| 24 | import org.apache.jetspeed.security.spi.CredentialPasswordEncoder; |
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| 25 | ||
| 26 | /** |
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| 27 | * <p> |
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| 28 | * MessageDigestCredentialPasswordEncoder |
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| 29 | * </p> |
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| 30 | * |
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| 31 | * @author <a href="mailto:ate@apache.org">Ate Douma</a> |
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| 32 | * @version $Id: MessageDigestCredentialPasswordEncoder.java 516448 2007-03-09 16:25:47Z ate $ |
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| 33 | */ |
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| 34 | public class MessageDigestCredentialPasswordEncoder implements CredentialPasswordEncoder |
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| 35 | { |
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| 36 | // Allow copying of encoded passwords or salt the digest with the userName preventing that |
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| 37 | 0 | boolean simpleEncryption = false; |
| 38 | MessageDigest digester; |
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| 39 | ||
| 40 | public MessageDigestCredentialPasswordEncoder() throws NoSuchAlgorithmException |
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| 41 | { |
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| 42 | 0 | this("SHA-1", false); |
| 43 | 0 | } |
| 44 | ||
| 45 | public MessageDigestCredentialPasswordEncoder(boolean simpleEncryption) throws NoSuchAlgorithmException |
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| 46 | { |
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| 47 | 0 | this("SHA-1", simpleEncryption); |
| 48 | 0 | } |
| 49 | ||
| 50 | public MessageDigestCredentialPasswordEncoder(String algorithm) throws NoSuchAlgorithmException |
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| 51 | { |
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| 52 | 0 | this(algorithm, false); |
| 53 | 0 | } |
| 54 | ||
| 55 | public MessageDigestCredentialPasswordEncoder(String algorithm, boolean simpleEncryption) throws NoSuchAlgorithmException |
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| 56 | 0 | { |
| 57 | 0 | this.digester = MessageDigest.getInstance(algorithm); |
| 58 | 0 | this.simpleEncryption = simpleEncryption; |
| 59 | 0 | } |
| 60 | ||
| 61 | public String getAlgorithm() |
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| 62 | { |
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| 63 | 0 | return digester.getAlgorithm(); |
| 64 | } |
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| 65 | ||
| 66 | /** |
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| 67 | * @see org.apache.jetspeed.security.spi.CredentialPasswordEncoder#encode(java.lang.String, java.lang.String) |
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| 68 | */ |
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| 69 | public String encode(String userName, String clearTextPassword) |
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| 70 | throws SecurityException |
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| 71 | { |
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| 72 | byte[] value; |
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| 73 | 0 | synchronized(digester) |
| 74 | { |
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| 75 | 0 | digester.reset(); |
| 76 | 0 | value = digester.digest(clearTextPassword.getBytes()); |
| 77 | 0 | if (!simpleEncryption) |
| 78 | { |
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| 79 | // don't allow copying of encoded passwords |
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| 80 | 0 | digester.update(userName.getBytes()); |
| 81 | } |
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| 82 | 0 | value = digester.digest(value); |
| 83 | 0 | } |
| 84 | 0 | return new String(Base64.encodeBase64(value)); |
| 85 | } |
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| 86 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |