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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  
19  package org.apache.commons.compress.archivers.zip;
20  
21  import static org.apache.commons.compress.AbstractTestCase.getFile;
22  import static org.junit.Assert.*;
23  
24  import java.io.File;
25  import java.io.FileInputStream;
26  import java.io.IOException;
27  
28  import org.junit.Test;
29  
30  public class EncryptedArchiveTest {
31  
32      @Test
33      public void testReadPasswordEncryptedEntryViaZipFile()
34          throws IOException {
35          File file = getFile("password-encrypted.zip");
36          ZipFile zf = null;
37          try {
38              zf = new ZipFile(file);
39              ZipArchiveEntry zae = zf.getEntry("LICENSE.txt");
40              assertTrue(zae.getGeneralPurposeBit().usesEncryption());
41              assertFalse(zae.getGeneralPurposeBit().usesStrongEncryption());
42              assertFalse(zf.canReadEntryData(zae));
43              try {
44                  zf.getInputStream(zae);
45                  fail("expected an exception");
46              } catch (UnsupportedZipFeatureException ex) {
47                  assertSame(UnsupportedZipFeatureException.Feature.ENCRYPTION,
48                             ex.getFeature());
49              }
50          } finally {
51              ZipFile.closeQuietly(zf);
52          }
53      }
54  
55      @Test
56      public void testReadPasswordEncryptedEntryViaStream()
57          throws IOException {
58          File file = getFile("password-encrypted.zip");
59          ZipArchiveInputStream zin = null;
60          try {
61              zin = new ZipArchiveInputStream(new FileInputStream(file));
62              ZipArchiveEntry zae = zin.getNextZipEntry();
63              assertEquals("LICENSE.txt", zae.getName());
64              assertTrue(zae.getGeneralPurposeBit().usesEncryption());
65              assertFalse(zae.getGeneralPurposeBit().usesStrongEncryption());
66              assertFalse(zin.canReadEntryData(zae));
67              try {
68                  byte[] buf = new byte[1024];
69                  zin.read(buf, 0, buf.length);
70                  fail("expected an exception");
71              } catch (UnsupportedZipFeatureException ex) {
72                  assertSame(UnsupportedZipFeatureException.Feature.ENCRYPTION,
73                             ex.getFeature());
74              }
75          } finally {
76              if (zin != null) {
77                  zin.close();
78              }
79          }
80      }
81  }