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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
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7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
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11   *   http://www.apache.org/licenses/LICENSE-2.0
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15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
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18   * under the License.
19   * ====================================================================
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21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
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27  
28  package org.apache.hc.core5.net;
29  
30  import org.junit.jupiter.api.Assertions;
31  import org.junit.jupiter.api.Test;
32  
33  /**
34   * Unit tests for InetAddressUtils.
35   */
36  public class TestInetAddressUtils {
37  
38      @Test
39      public void testValidIPv4Address() {
40          Assertions.assertTrue(InetAddressUtils.isIPv4Address("127.0.0.1"));
41          Assertions.assertTrue(InetAddressUtils.isIPv4Address("192.168.0.0"));
42          Assertions.assertTrue(InetAddressUtils.isIPv4Address("255.255.255.255"));
43      }
44  
45      @Test
46      public void testInvalidIPv4Address() {
47          Assertions.assertFalse(InetAddressUtils.isIPv4Address(" 127.0.0.1 "));  // Blanks not allowed
48          Assertions.assertFalse(InetAddressUtils.isIPv4Address("g.ar.ba.ge"));
49          Assertions.assertFalse(InetAddressUtils.isIPv4Address("192.168.0"));
50          Assertions.assertFalse(InetAddressUtils.isIPv4Address("256.255.255.255"));
51          Assertions.assertFalse(InetAddressUtils.isIPv4Address("0.168.0.0"));    //IP address that starts with zero not allowed
52      }
53  
54      @Test
55      public void testValidIPv6Address() {
56          Assertions.assertTrue(InetAddressUtils.isIPv6StdAddress("2001:0db8:0000:0000:0000:0000:1428:57ab"));
57          Assertions.assertTrue(InetAddressUtils.isIPv6StdAddress("2001:db8:0:0:0:0:1428:57ab"));
58          Assertions.assertTrue(InetAddressUtils.isIPv6StdAddress("0:0:0:0:0:0:0:0"));
59          Assertions.assertTrue(InetAddressUtils.isIPv6StdAddress("0:0:0:0:0:0:0:1"));
60  
61          Assertions.assertTrue(InetAddressUtils.isIPv6HexCompressedAddress("2001:0db8:0:0::1428:57ab"));
62          Assertions.assertTrue(InetAddressUtils.isIPv6HexCompressedAddress("2001:0db8::1428:57ab"));
63          Assertions.assertTrue(InetAddressUtils.isIPv6HexCompressedAddress("2001:db8::1428:57ab"));
64          Assertions.assertTrue(InetAddressUtils.isIPv6HexCompressedAddress("::1"));
65          Assertions.assertTrue(InetAddressUtils.isIPv6HexCompressedAddress("::")); // http://tools.ietf.org/html/rfc4291#section-2.2
66  
67          Assertions.assertTrue(InetAddressUtils.isIPv6Address("2001:0db8:0000:0000:0000:0000:1428:57ab"));
68          Assertions.assertTrue(InetAddressUtils.isIPv6Address("2001:db8:0:0:0:0:1428:57ab"));
69          Assertions.assertTrue(InetAddressUtils.isIPv6Address("0:0:0:0:0:0:0:0"));
70          Assertions.assertTrue(InetAddressUtils.isIPv6Address("0:0:0:0:0:0:0:1"));
71          Assertions.assertTrue(InetAddressUtils.isIPv6Address("2001:0db8:0:0::1428:57ab"));
72          Assertions.assertTrue(InetAddressUtils.isIPv6Address("2001:0db8::1428:57ab"));
73          Assertions.assertTrue(InetAddressUtils.isIPv6Address("2001:db8::1428:57ab"));
74          Assertions.assertTrue(InetAddressUtils.isIPv6Address("::1"));
75          Assertions.assertTrue(InetAddressUtils.isIPv6Address("::")); // http://tools.ietf.org/html/rfc4291#section-2.2
76      }
77  
78      @Test
79      public void testInvalidIPv6Address() {
80          Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8:0000:garb:age0:0000:1428:57ab"));
81          Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0gb8:0000:0000:0000:0000:1428:57ab"));
82          Assertions.assertFalse(InetAddressUtils.isIPv6StdAddress("0:0:0:0:0:0:0:0:0")); // Too many
83          Assertions.assertFalse(InetAddressUtils.isIPv6StdAddress("0:0:0:0:0:0:0")); // Too few
84          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress(":1"));
85          Assertions.assertFalse(InetAddressUtils.isIPv6Address(":1"));
86          Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8::0000::57ab")); // Cannot have two contractions
87          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1:2:3:4:5:6:7::9")); // too many fields before ::
88          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1::3:4:5:6:7:8:9")); // too many fields after ::
89          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("::3:4:5:6:7:8:9")); // too many fields after ::
90          Assertions.assertFalse(InetAddressUtils.isIPv6Address("")); // empty
91      }
92  
93      @Test
94      public void testValidIPv6BracketAddress() {
95          Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8:0000:0000:0000:0000:1428:57ab]"));
96          Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:db8:0:0:0:0:1428:57ab]"));
97          Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0:0]"));
98          Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0:1]"));
99          Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8:0:0::1428:57ab]"));
100         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8::1428:57ab]"));
101         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:db8::1428:57ab]"));
102         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[::1]"));
103         // http://tools.ietf.org/html/rfc4291#section-2.2
104         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[::]"));
105     }
106 
107     @Test
108     public void testInvalidIPv6BracketAddress() {
109         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:0db8:0000:garb:age0:0000:1428:57ab"));
110         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8:0000:garb:age0:0000:1428:57ab]"));
111         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:0gb8:0000:0000:0000:0000:1428:57ab"));
112         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0gb8:0000:0000:0000:0000:1428:57ab]"));
113         // Too many
114         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("0:0:0:0:0:0:0:0:0"));
115         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0:0:0]"));
116         // Too few
117         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("0:0:0:0:0:0:0"));
118         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0]"));
119         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress(":1"));
120         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[:1]"));
121         // Cannot have two contractions
122         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:0db8::0000::57ab"));
123         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8::0000::57ab]"));
124         // too many fields before ::
125         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("1:2:3:4:5:6:7::9"));
126         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[1:2:3:4:5:6:7::9]"));
127         // too many fields after ::
128         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("1::3:4:5:6:7:8:9"));
129         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[1::3:4:5:6:7:8:9]"));
130         // too many fields after ::
131         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("::3:4:5:6:7:8:9"));
132         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[::3:4:5:6:7:8:9]"));
133         // empty
134         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress(""));
135         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[]"));
136 
137         // missing brackets
138         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("::"));
139         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("::1"));
140         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:db8::1428:57ab"));
141     }
142 
143     @Test
144     // Test HTTPCLIENT-1319
145     public void testInvalidIPv6AddressIncorrectGroupCount() {
146         Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1:2::4:5:6:7:8:9")); // too many fields in total
147         Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1:2:3:4:5:6::8:9")); // too many fields in total
148     }
149 
150     @Test
151     public void testHasValidIPv6ColonCount() {
152         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount(""));
153         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount(":"));
154         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("127.0.0.1"));
155         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount(":0"));
156         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("0:"));
157         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("1:2:3:4:5:6:7:8:"));
158         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("1:2:3:4:5:6:7:8:9"));
159 
160         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:0db8:0000:0000:0000:0000:1428:57ab"));
161         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:db8:0:0:0:0:1428:57ab"));
162         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("0:0:0:0:0:0:0:0"));
163         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("0:0:0:0:0:0:0:1"));
164         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:0db8:0:0::1428:57ab"));
165         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:0db8::1428:57ab"));
166         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:db8::1428:57ab"));
167         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("::1"));
168         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("::")); // http://tools.ietf.org/html/rfc4291#section-2.2
169     }
170 
171     @Test
172     public void testValidIPv4MappedIPv6Address() {
173         Assertions.assertTrue(InetAddressUtils.isIPv4MappedIPv64Address("::FFFF:1.2.3.4"));
174         Assertions.assertTrue(InetAddressUtils.isIPv4MappedIPv64Address("::ffff:255.255.255.255"));
175     }
176 
177     @Test
178     public void testInValidIPv4MappedIPv6Address() {
179         Assertions.assertFalse(InetAddressUtils.isIPv4MappedIPv64Address("2001:0db8:0000:0000:0000:0000:1428:57ab"));
180         Assertions.assertFalse(InetAddressUtils.isIPv4MappedIPv64Address("::ffff:1:2:3:4"));
181     }
182 
183 }