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package com.wireguard.config;
import android.databinding.BaseObservable;
import android.databinding.Bindable;
import android.databinding.Observable;
import com.wireguard.android.BR;
import com.wireguard.crypto.Keypair;
/**
* Represents the configuration for a WireGuard interface (an [Interface] block).
*/
public class Interface extends BaseObservable implements Observable {
private String address;
private String dns;
private String listenPort;
private Keypair keypair;
private String mtu;
public void generateKeypair() {
keypair = new Keypair();
notifyPropertyChanged(BR.privateKey);
notifyPropertyChanged(BR.publicKey);
}
@Bindable
public String getAddress() {
return address;
}
@Bindable
public String getDns() {
return dns;
}
@Bindable
public String getListenPort() {
return listenPort;
}
@Bindable
public String getMtu() {
return mtu;
}
@Bindable
public String getPrivateKey() {
return keypair != null ? keypair.getPrivateKey() : null;
}
@Bindable
public String getPublicKey() {
return keypair != null ? keypair.getPublicKey() : null;
}
public void parseFrom(String line) {
final Attribute key = Attribute.match(line);
if (key == Attribute.ADDRESS)
address = key.parseFrom(line);
else if (key == Attribute.DNS)
dns = key.parseFrom(line);
else if (key == Attribute.LISTEN_PORT)
listenPort = key.parseFrom(line);
else if (key == Attribute.MTU)
mtu = key.parseFrom(line);
else if (key == Attribute.PRIVATE_KEY)
keypair = new Keypair(key.parseFrom(line));
}
public void setAddress(String address) {
this.address = address;
notifyPropertyChanged(BR.address);
}
public void setDns(String dns) {
this.dns = dns;
notifyPropertyChanged(BR.dns);
}
public void setListenPort(String listenPort) {
this.listenPort = listenPort;
notifyPropertyChanged(BR.listenPort);
}
public void setMtu(String mtu) {
this.mtu = mtu;
notifyPropertyChanged(BR.mtu);
}
public void setPrivateKey(String privateKey) {
// Avoid exceptions from Keypair while the user is typing.
if (privateKey.length() != Keypair.KEY_STRING_LENGTH)
return;
keypair = new Keypair(privateKey);
notifyPropertyChanged(BR.privateKey);
notifyPropertyChanged(BR.publicKey);
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder().append("[Interface]\n");
if (address != null)
sb.append(Attribute.ADDRESS.composeWith(address));
if (dns != null)
sb.append(Attribute.DNS.composeWith(dns));
if (listenPort != null)
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()));
return sb.toString();
}
}
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