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android: Add helper function to TrustedCertificateEntry to get subjectAltNames

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Duplicates (e.g. with different types) are filtered.  If necessary we
could later perhaps add a prefix.
This commit is contained in:
Tobias Brunner 2016-04-30 16:11:45 +02:00
parent e7a12cc862
commit eb507a5a0d
1 changed files with 43 additions and 4 deletions
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47
src/frontends/android/app/src/main/java/org/strongswan/android/security/TrustedCertificateEntry.java
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@ -1,6 +1,6 @@
/*
* Copyright (C) 2012 Tobias Brunner
* Hochschule fuer Technik Rapperswil
* Copyright (C) 2012-2016 Tobias Brunner
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -15,10 +15,15 @@
package org.strongswan.android.security;
import java.security.cert.X509Certificate;
import android.net.http.SslCertificate;
import java.security.cert.CertificateParsingException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public class TrustedCertificateEntry implements Comparable<TrustedCertificateEntry>
{
private final X509Certificate mCert;
@ -86,6 +91,40 @@ public class TrustedCertificateEntry implements Comparable<TrustedCertificateEnt
return mSubjectSecondary;
}
/**
* Get a sorted list of all rfc822Name, dnSName and iPAddress subjectAltNames
*
* @return sorted list of selected SANs
*/
public List<String> getSubjectAltNames()
{
List<String> list = new ArrayList<>();
try
{
Collection<List<?>> sans = mCert.getSubjectAlternativeNames();
if (sans != null)
{
for (List<?> san : sans)
{
switch ((Integer)san.get(0))
{
case 1: /* rfc822Name */
case 2: /* dnSName */
case 7: /* iPAddress */
list.add((String)san.get(1));
break;
}
}
}
Collections.sort(list);
}
catch(CertificateParsingException ex)
{
ex.printStackTrace();
}
return list;
}
/**
* The alias associated with this certificate.
*