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1   /*
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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          //HTTPCORE-674 InetAddressUtils scoped ID support
78          Assertions.assertTrue(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a"));
79          Assertions.assertTrue(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%eth2"));
80          Assertions.assertTrue(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%3"));
81      }
82  
83      @Test
84      public void testInvalidIPv6Address() {
85          Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8:0000:garb:age0:0000:1428:57ab"));
86          Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0gb8:0000:0000:0000:0000:1428:57ab"));
87          Assertions.assertFalse(InetAddressUtils.isIPv6StdAddress("0:0:0:0:0:0:0:0:0")); // Too many
88          Assertions.assertFalse(InetAddressUtils.isIPv6StdAddress("0:0:0:0:0:0:0")); // Too few
89          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress(":1"));
90          Assertions.assertFalse(InetAddressUtils.isIPv6Address(":1"));
91          Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8::0000::57ab")); // Cannot have two contractions
92          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1:2:3:4:5:6:7::9")); // too many fields before ::
93          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1::3:4:5:6:7:8:9")); // too many fields after ::
94          Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("::3:4:5:6:7:8:9")); // too many fields after ::
95          Assertions.assertFalse(InetAddressUtils.isIPv6Address("")); // empty
96  
97          //Invalid scoped IDs
98          Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%eth2#"));
99          Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%3@"));
100         Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a#eth2"));
101         Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%"));
102         Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%eth2!"));
103         Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8:0:0::1428:57ab%"));
104         Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8:0:0::1428:57ab%eth2#"));
105         Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%eth2#3"));
106         Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8:0:0::1428:57ab%eth2#3"));
107         Assertions.assertFalse(InetAddressUtils.isIPv6Address("fe80::1ff:fe23:4567:890a%3#eth2"));
108         Assertions.assertFalse(InetAddressUtils.isIPv6Address("2001:0db8:0:0::1428:57ab%3#eth2"));
109     }
110 
111     @Test
112     public void testValidIPv6BracketAddress() {
113         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8:0000:0000:0000:0000:1428:57ab]"));
114         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:db8:0:0:0:0:1428:57ab]"));
115         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0:0]"));
116         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0:1]"));
117         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8:0:0::1428:57ab]"));
118         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8::1428:57ab]"));
119         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[2001:db8::1428:57ab]"));
120         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[::1]"));
121         // http://tools.ietf.org/html/rfc4291#section-2.2
122         Assertions.assertTrue(InetAddressUtils.isIPv6URLBracketedAddress("[::]"));
123     }
124 
125     @Test
126     public void testInvalidIPv6BracketAddress() {
127         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:0db8:0000:garb:age0:0000:1428:57ab"));
128         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8:0000:garb:age0:0000:1428:57ab]"));
129         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:0gb8:0000:0000:0000:0000:1428:57ab"));
130         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0gb8:0000:0000:0000:0000:1428:57ab]"));
131         // Too many
132         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("0:0:0:0:0:0:0:0:0"));
133         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0:0:0]"));
134         // Too few
135         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("0:0:0:0:0:0:0"));
136         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[0:0:0:0:0:0:0]"));
137         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress(":1"));
138         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[:1]"));
139         // Cannot have two contractions
140         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:0db8::0000::57ab"));
141         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[2001:0db8::0000::57ab]"));
142         // too many fields before ::
143         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("1:2:3:4:5:6:7::9"));
144         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[1:2:3:4:5:6:7::9]"));
145         // too many fields after ::
146         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("1::3:4:5:6:7:8:9"));
147         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[1::3:4:5:6:7:8:9]"));
148         // too many fields after ::
149         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("::3:4:5:6:7:8:9"));
150         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[::3:4:5:6:7:8:9]"));
151         // empty
152         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress(""));
153         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("[]"));
154 
155         // missing brackets
156         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("::"));
157         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("::1"));
158         Assertions.assertFalse(InetAddressUtils.isIPv6URLBracketedAddress("2001:db8::1428:57ab"));
159     }
160 
161     @Test
162     // Test HTTPCLIENT-1319
163     public void testInvalidIPv6AddressIncorrectGroupCount() {
164         Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1:2::4:5:6:7:8:9")); // too many fields in total
165         Assertions.assertFalse(InetAddressUtils.isIPv6HexCompressedAddress("1:2:3:4:5:6::8:9")); // too many fields in total
166     }
167 
168     @Test
169     public void testHasValidIPv6ColonCount() {
170         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount(""));
171         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount(":"));
172         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("127.0.0.1"));
173         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount(":0"));
174         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("0:"));
175         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("1:2:3:4:5:6:7:8:"));
176         Assertions.assertFalse(InetAddressUtils.hasValidIPv6ColonCount("1:2:3:4:5:6:7:8:9"));
177 
178         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:0db8:0000:0000:0000:0000:1428:57ab"));
179         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:db8:0:0:0:0:1428:57ab"));
180         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("0:0:0:0:0:0:0:0"));
181         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("0:0:0:0:0:0:0:1"));
182         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:0db8:0:0::1428:57ab"));
183         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:0db8::1428:57ab"));
184         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("2001:db8::1428:57ab"));
185         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("::1"));
186         Assertions.assertTrue(InetAddressUtils.hasValidIPv6ColonCount("::")); // http://tools.ietf.org/html/rfc4291#section-2.2
187     }
188 
189     @Test
190     public void testValidIPv4MappedIPv6Address() {
191         Assertions.assertTrue(InetAddressUtils.isIPv4MappedIPv64Address("::FFFF:1.2.3.4"));
192         Assertions.assertTrue(InetAddressUtils.isIPv4MappedIPv64Address("::ffff:255.255.255.255"));
193     }
194 
195     @Test
196     public void testInValidIPv4MappedIPv6Address() {
197         Assertions.assertFalse(InetAddressUtils.isIPv4MappedIPv64Address("2001:0db8:0000:0000:0000:0000:1428:57ab"));
198         Assertions.assertFalse(InetAddressUtils.isIPv4MappedIPv64Address("::ffff:1:2:3:4"));
199     }
200 
201 }