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Refactoring

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M66B
2022-03-14 15:26:37 +01:00
parent 2197a8f72d
commit d07e1ffcc2
2 changed files with 35 additions and 35 deletions
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33
app/src/main/java/eu/faircode/email/ConnectionHelper.java
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@@ -41,6 +41,8 @@ import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.security.cert.Certificate;
import java.security.cert.CertificateParsingException;
@@ -48,6 +50,7 @@ import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.Objects;
@@ -543,6 +546,36 @@ public class ConnectionHelper {
}
}
static boolean[] has46(Context context) {
boolean has4 = false;
boolean has6 = false;
try {
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces != null && interfaces.hasMoreElements()) {
NetworkInterface ni = interfaces.nextElement();
for (InterfaceAddress iaddr : ni.getInterfaceAddresses()) {
InetAddress addr = iaddr.getAddress();
boolean local = (addr.isLoopbackAddress() || addr.isLinkLocalAddress());
EntityLog.log(context, "Interface=" + ni + " addr=" + addr + " local=" + local);
if (!local)
if (addr instanceof Inet4Address)
has4 = true;
else if (addr instanceof Inet6Address)
has6 = true;
}
}
} catch (Throwable ex) {
Log.e(ex);
/*
java.lang.NullPointerException: Attempt to read from field 'java.util.List java.net.NetworkInterface.childs' on a null object reference
at java.net.NetworkInterface.getAll(NetworkInterface.java:498)
at java.net.NetworkInterface.getNetworkInterfaces(NetworkInterface.java:398)
*/
}
return new boolean[]{has4, has6};
}
static List<String> getCommonNames(Context context, String domain, int port, int timeout) throws IOException {
List<String> result = new ArrayList<>();
InetSocketAddress address = new InetSocketAddress(domain, port);