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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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package org.bouncycastle.est.test;

import java.io.IOException;
import java.util.HashSet;

import junit.framework.TestCase;
import org.bouncycastle.est.jcajce.JsseDefaultHostnameAuthorizer;

public class HostNameAuthorizerMatchTest
    extends TestCase
{
    public void testWildcardMatcher()
        throws Exception
    {

        Object[][] v = new Object[][]{
            //   {"Too wide a match", "foo.com","*.com",false}, // too wide a match
            {"Exact", "a.foo.com", "a.foo.com", true},
            {"Left most", "abacus.foo.com", "*s.foo.com", true}, // Match the left most.
            {"Invalid 1","localhost.cisco.com","localhost.*.com",true},
            {"Invalid 2", "localhost.cisco.com", "localhost.cisco.*", false},
            {"Invalid 3 - subdomain","localhost.cisco.com","*.com",false},
            {"Invalid 4", "localhost.cisco.com", "*.localhost.cisco.com", false},
            {"Invalid 5", "localhost.cisco.com", "*", false},
            {"Invalid 6", "localhost.cisco.com", "localhost*.cisco.com", true},
            {"Invalid 7", "localhost.cisco.com", "*localhost.cisco.com", false},
            {"Invalid 8", "localhost.cisco.com", "local*host.cisco.com", true},
            {"Invalid 9", "localhost.cisco.com", "localhost.c*.com", true},
            {"Invalid 10", "localhost.cisco.com", "localhost.*o.com", true},
            {"Invalid 11", "localhost.cisco.com", "localhost.c*o.com", true},
            {"Invalid 12", "localhost.cisco.com", "*..com", false},
            {"Invalid 13", "foo.example.com","*.example.com",true},
            {"Invalid 14", "bar.foo.example.com", "*.example.com", false},
            {"Invalid 15", "example.com", "*.example.com", false},
            {"Invalid 16", "foobaz.example.com","b*z.example.com",false},
            {"Invalid 17", "foobaz.example.com","ob*z.example.com",false},
            { "Valid", "foobaz.example.com","foob*z.example.com",true}
        };

        for (Object[] j : v)
        {
            assertEquals(j[0].toString(), j[3], JsseDefaultHostnameAuthorizer.isValidNameMatch((String)j[1], (String)j[2], null));
        }
    }

    public void testWildcardPublicSuffix()
        throws Exception
    {

        Object[][] v = new Object[][]{

            {"Invalid 3", "localhost.cisco.com", "*.com", false},
            {"Invalid 9", "localhost.cisco.com", "localhost.c*.com", false},
            {"Invalid 10", "localhost.cisco.com", "localhost.*o.com", false},
            {"Invalid 11", "localhost.cisco.com", "localhost.c*o.com", false},
        };

        HashSet suf = new HashSet();
        suf.add(".com");

        for (Object[] j : v)
        {
            try
            {
                assertEquals(j[0].toString(), j[3], JsseDefaultHostnameAuthorizer.isValidNameMatch((String)j[1], (String)j[2], suf));
                fail("known suffix not caught");
            }
            catch (IOException e)
            {
                // expected
            }
        }
    }
}