Interface: Rework private key handling

This works much better with a data-bound UI -- no confusing erasing of
the text box, and no crashes, either!

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Samuel Holland 2017-08-17 03:30:06 -05:00
parent 8bf12f3f55
commit cb48a7be3a

View File

@ -18,6 +18,7 @@ public class Interface extends BaseObservable implements Copyable<Interface>, Ob
private String listenPort;
private Keypair keypair;
private String mtu;
private String privateKey;
@Override
public Interface copy() {
@ -31,12 +32,13 @@ public class Interface extends BaseObservable implements Copyable<Interface>, Ob
address = source.address;
dns = source.dns;
listenPort = source.listenPort;
keypair = source.keypair;
setPrivateKey(source.privateKey);
mtu = source.mtu;
}
public void generateKeypair() {
keypair = new Keypair();
privateKey = keypair.getPrivateKey();
notifyPropertyChanged(BR.privateKey);
notifyPropertyChanged(BR.publicKey);
}
@ -63,7 +65,7 @@ public class Interface extends BaseObservable implements Copyable<Interface>, Ob
@Bindable
public String getPrivateKey() {
return keypair != null ? keypair.getPrivateKey() : null;
return privateKey;
}
@Bindable
@ -82,7 +84,7 @@ public class Interface extends BaseObservable implements Copyable<Interface>, Ob
else if (key == Attribute.MTU)
mtu = key.parseFrom(line);
else if (key == Attribute.PRIVATE_KEY)
keypair = new Keypair(key.parseFrom(line));
setPrivateKey(key.parseFrom(line));
else
throw new IllegalArgumentException(line);
}
@ -115,12 +117,16 @@ public class Interface extends BaseObservable implements Copyable<Interface>, Ob
notifyPropertyChanged(BR.mtu);
}
public void setPrivateKey(final String privateKey) {
if (privateKey != null && !privateKey.isEmpty()) {
// Avoid exceptions from Keypair while the user is typing.
if (privateKey.length() != KeyEncoding.KEY_LENGTH_BASE64)
return;
keypair = new Keypair(privateKey);
public void setPrivateKey(String privateKey) {
if (privateKey != null && privateKey.isEmpty())
privateKey = null;
this.privateKey = privateKey;
if (privateKey != null && privateKey.length() == KeyEncoding.KEY_LENGTH_BASE64) {
try {
keypair = new Keypair(privateKey);
} catch (final IllegalArgumentException ignored) {
keypair = null;
}
} else {
keypair = null;
}
@ -139,8 +145,8 @@ public class Interface extends BaseObservable implements Copyable<Interface>, Ob
sb.append(Attribute.LISTEN_PORT.composeWith(listenPort));
if (mtu != null)
sb.append(Attribute.MTU.composeWith(mtu));
if (keypair != null)
sb.append(Attribute.PRIVATE_KEY.composeWith(keypair.getPrivateKey()));
if (privateKey != null)
sb.append(Attribute.PRIVATE_KEY.composeWith(privateKey));
return sb.toString();
}
}