Rename app module to ui
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
This commit is contained in:
Harsh Shandilya
@@ -0,0 +1,93 @@
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/*
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* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.viewmodel;
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import androidx.databinding.ObservableArrayList;
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import androidx.databinding.ObservableList;
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import android.os.Parcel;
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import android.os.Parcelable;
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import com.wireguard.config.BadConfigException;
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import com.wireguard.config.Config;
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import com.wireguard.config.Peer;
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import java.util.ArrayList;
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import java.util.Collection;
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public class ConfigProxy implements Parcelable {
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public static final Parcelable.Creator<ConfigProxy> CREATOR = new ConfigProxyCreator();
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private final InterfaceProxy interfaze;
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private final ObservableList<PeerProxy> peers = new ObservableArrayList<>();
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private ConfigProxy(final Parcel in) {
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interfaze = in.readParcelable(InterfaceProxy.class.getClassLoader());
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in.readTypedList(peers, PeerProxy.CREATOR);
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for (final PeerProxy proxy : peers)
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proxy.bind(this);
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}
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public ConfigProxy(final Config other) {
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interfaze = new InterfaceProxy(other.getInterface());
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for (final Peer peer : other.getPeers()) {
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final PeerProxy proxy = new PeerProxy(peer);
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peers.add(proxy);
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proxy.bind(this);
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}
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}
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public ConfigProxy() {
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interfaze = new InterfaceProxy();
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}
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public PeerProxy addPeer() {
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final PeerProxy proxy = new PeerProxy();
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peers.add(proxy);
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proxy.bind(this);
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return proxy;
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}
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@Override
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public int describeContents() {
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return 0;
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}
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public InterfaceProxy getInterface() {
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return interfaze;
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}
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public ObservableList<PeerProxy> getPeers() {
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return peers;
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}
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public Config resolve() throws BadConfigException {
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final Collection<Peer> resolvedPeers = new ArrayList<>();
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for (final PeerProxy proxy : peers)
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resolvedPeers.add(proxy.resolve());
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return new Config.Builder()
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.setInterface(interfaze.resolve())
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.addPeers(resolvedPeers)
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.build();
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}
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@Override
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public void writeToParcel(final Parcel dest, final int flags) {
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dest.writeParcelable(interfaze, flags);
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dest.writeTypedList(peers);
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}
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private static class ConfigProxyCreator implements Parcelable.Creator<ConfigProxy> {
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@Override
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public ConfigProxy createFromParcel(final Parcel in) {
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return new ConfigProxy(in);
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}
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@Override
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public ConfigProxy[] newArray(final int size) {
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return new ConfigProxy[size];
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}
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}
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}
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@@ -0,0 +1,190 @@
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/*
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* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.viewmodel;
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import androidx.databinding.BaseObservable;
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import androidx.databinding.Bindable;
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import androidx.databinding.ObservableArrayList;
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import androidx.databinding.ObservableList;
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import android.os.Parcel;
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import android.os.Parcelable;
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import com.wireguard.android.BR;
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import com.wireguard.config.Attribute;
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import com.wireguard.config.BadConfigException;
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import com.wireguard.config.Interface;
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import com.wireguard.crypto.Key;
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import com.wireguard.crypto.KeyFormatException;
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import com.wireguard.crypto.KeyPair;
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import java.net.InetAddress;
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import java.util.List;
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import java9.util.stream.Collectors;
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import java9.util.stream.StreamSupport;
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public class InterfaceProxy extends BaseObservable implements Parcelable {
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public static final Parcelable.Creator<InterfaceProxy> CREATOR = new InterfaceProxyCreator();
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private final ObservableList<String> excludedApplications = new ObservableArrayList<>();
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private String addresses;
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private String dnsServers;
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private String listenPort;
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private String mtu;
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private String privateKey;
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private String publicKey;
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private InterfaceProxy(final Parcel in) {
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addresses = in.readString();
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dnsServers = in.readString();
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in.readStringList(excludedApplications);
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listenPort = in.readString();
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mtu = in.readString();
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privateKey = in.readString();
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publicKey = in.readString();
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}
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public InterfaceProxy(final Interface other) {
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addresses = Attribute.join(other.getAddresses());
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final List<String> dnsServerStrings = StreamSupport.stream(other.getDnsServers())
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.map(InetAddress::getHostAddress)
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.collect(Collectors.toUnmodifiableList());
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dnsServers = Attribute.join(dnsServerStrings);
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excludedApplications.addAll(other.getExcludedApplications());
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listenPort = other.getListenPort().map(String::valueOf).orElse("");
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mtu = other.getMtu().map(String::valueOf).orElse("");
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final KeyPair keyPair = other.getKeyPair();
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privateKey = keyPair.getPrivateKey().toBase64();
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publicKey = keyPair.getPublicKey().toBase64();
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}
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public InterfaceProxy() {
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addresses = "";
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dnsServers = "";
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listenPort = "";
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mtu = "";
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privateKey = "";
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publicKey = "";
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}
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@Override
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public int describeContents() {
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return 0;
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}
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public void generateKeyPair() {
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final KeyPair keyPair = new KeyPair();
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privateKey = keyPair.getPrivateKey().toBase64();
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publicKey = keyPair.getPublicKey().toBase64();
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notifyPropertyChanged(BR.privateKey);
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notifyPropertyChanged(BR.publicKey);
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}
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@Bindable
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public String getAddresses() {
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return addresses;
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}
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@Bindable
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public String getDnsServers() {
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return dnsServers;
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}
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public ObservableList<String> getExcludedApplications() {
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return excludedApplications;
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}
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@Bindable
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public String getListenPort() {
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return listenPort;
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}
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@Bindable
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public String getMtu() {
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return mtu;
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}
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@Bindable
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public String getPrivateKey() {
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return privateKey;
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}
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@Bindable
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public String getPublicKey() {
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return publicKey;
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}
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public Interface resolve() throws BadConfigException {
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final Interface.Builder builder = new Interface.Builder();
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if (!addresses.isEmpty())
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builder.parseAddresses(addresses);
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if (!dnsServers.isEmpty())
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builder.parseDnsServers(dnsServers);
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if (!excludedApplications.isEmpty())
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builder.excludeApplications(excludedApplications);
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if (!listenPort.isEmpty())
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builder.parseListenPort(listenPort);
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if (!mtu.isEmpty())
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builder.parseMtu(mtu);
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if (!privateKey.isEmpty())
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builder.parsePrivateKey(privateKey);
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return builder.build();
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}
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public void setAddresses(final String addresses) {
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this.addresses = addresses;
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notifyPropertyChanged(BR.addresses);
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}
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public void setDnsServers(final String dnsServers) {
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this.dnsServers = dnsServers;
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notifyPropertyChanged(BR.dnsServers);
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}
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public void setListenPort(final String listenPort) {
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this.listenPort = listenPort;
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notifyPropertyChanged(BR.listenPort);
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}
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public void setMtu(final String mtu) {
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this.mtu = mtu;
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notifyPropertyChanged(BR.mtu);
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}
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public void setPrivateKey(final String privateKey) {
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this.privateKey = privateKey;
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try {
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publicKey = new KeyPair(Key.fromBase64(privateKey)).getPublicKey().toBase64();
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} catch (final KeyFormatException ignored) {
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publicKey = "";
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}
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notifyPropertyChanged(BR.privateKey);
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notifyPropertyChanged(BR.publicKey);
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}
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@Override
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public void writeToParcel(final Parcel dest, final int flags) {
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dest.writeString(addresses);
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dest.writeString(dnsServers);
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dest.writeStringList(excludedApplications);
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dest.writeString(listenPort);
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dest.writeString(mtu);
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dest.writeString(privateKey);
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dest.writeString(publicKey);
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}
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private static class InterfaceProxyCreator implements Parcelable.Creator<InterfaceProxy> {
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@Override
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public InterfaceProxy createFromParcel(final Parcel in) {
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return new InterfaceProxy(in);
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}
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@Override
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public InterfaceProxy[] newArray(final int size) {
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return new InterfaceProxy[size];
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}
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}
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}
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@@ -0,0 +1,380 @@
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/*
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* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.viewmodel;
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import androidx.databinding.BaseObservable;
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import androidx.databinding.Bindable;
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import androidx.databinding.Observable;
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import androidx.databinding.ObservableList;
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import android.os.Parcel;
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import android.os.Parcelable;
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import androidx.annotation.Nullable;
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import com.wireguard.android.BR;
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import com.wireguard.config.Attribute;
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import com.wireguard.config.BadConfigException;
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import com.wireguard.config.InetEndpoint;
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import com.wireguard.config.Peer;
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import com.wireguard.crypto.Key;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import java9.util.Lists;
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import java9.util.Sets;
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import java9.util.stream.Collectors;
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import java9.util.stream.Stream;
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public class PeerProxy extends BaseObservable implements Parcelable {
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public static final Parcelable.Creator<PeerProxy> CREATOR = new PeerProxyCreator();
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private static final Set<String> IPV4_PUBLIC_NETWORKS = new LinkedHashSet<>(Lists.of(
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"0.0.0.0/5", "8.0.0.0/7", "11.0.0.0/8", "12.0.0.0/6", "16.0.0.0/4", "32.0.0.0/3",
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"64.0.0.0/2", "128.0.0.0/3", "160.0.0.0/5", "168.0.0.0/6", "172.0.0.0/12",
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"172.32.0.0/11", "172.64.0.0/10", "172.128.0.0/9", "173.0.0.0/8", "174.0.0.0/7",
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"176.0.0.0/4", "192.0.0.0/9", "192.128.0.0/11", "192.160.0.0/13", "192.169.0.0/16",
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"192.170.0.0/15", "192.172.0.0/14", "192.176.0.0/12", "192.192.0.0/10",
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"193.0.0.0/8", "194.0.0.0/7", "196.0.0.0/6", "200.0.0.0/5", "208.0.0.0/4"
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));
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private static final Set<String> IPV4_WILDCARD = Sets.of("0.0.0.0/0");
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private final List<String> dnsRoutes = new ArrayList<>();
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private String allowedIps;
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private AllowedIpsState allowedIpsState = AllowedIpsState.INVALID;
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private String endpoint;
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@Nullable private InterfaceDnsListener interfaceDnsListener;
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@Nullable private ConfigProxy owner;
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@Nullable private PeerListListener peerListListener;
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private String persistentKeepalive;
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private String preSharedKey;
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private String publicKey;
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private int totalPeers;
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private PeerProxy(final Parcel in) {
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allowedIps = in.readString();
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endpoint = in.readString();
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persistentKeepalive = in.readString();
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preSharedKey = in.readString();
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publicKey = in.readString();
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}
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public PeerProxy(final Peer other) {
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allowedIps = Attribute.join(other.getAllowedIps());
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endpoint = other.getEndpoint().map(InetEndpoint::toString).orElse("");
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persistentKeepalive = other.getPersistentKeepalive().map(String::valueOf).orElse("");
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preSharedKey = other.getPreSharedKey().map(Key::toBase64).orElse("");
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publicKey = other.getPublicKey().toBase64();
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}
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public PeerProxy() {
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allowedIps = "";
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endpoint = "";
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persistentKeepalive = "";
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preSharedKey = "";
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publicKey = "";
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}
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public void bind(final ConfigProxy owner) {
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final InterfaceProxy interfaze = owner.getInterface();
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final ObservableList<PeerProxy> peers = owner.getPeers();
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if (interfaceDnsListener == null)
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interfaceDnsListener = new InterfaceDnsListener(this);
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interfaze.addOnPropertyChangedCallback(interfaceDnsListener);
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setInterfaceDns(interfaze.getDnsServers());
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if (peerListListener == null)
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peerListListener = new PeerListListener(this);
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peers.addOnListChangedCallback(peerListListener);
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setTotalPeers(peers.size());
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this.owner = owner;
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}
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private void calculateAllowedIpsState() {
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final AllowedIpsState newState;
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if (totalPeers == 1) {
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// String comparison works because we only care if allowedIps is a superset of one of
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// the above sets of (valid) *networks*. We are not checking for a superset based on
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// the individual addresses in each set.
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final Collection<String> networkStrings = getAllowedIpsSet();
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// If allowedIps contains both the wildcard and the public networks, then private
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// networks aren't excluded!
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if (networkStrings.containsAll(IPV4_WILDCARD))
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newState = AllowedIpsState.CONTAINS_IPV4_WILDCARD;
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else if (networkStrings.containsAll(IPV4_PUBLIC_NETWORKS))
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newState = AllowedIpsState.CONTAINS_IPV4_PUBLIC_NETWORKS;
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else
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newState = AllowedIpsState.OTHER;
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} else {
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newState = AllowedIpsState.INVALID;
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}
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if (newState != allowedIpsState) {
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allowedIpsState = newState;
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notifyPropertyChanged(BR.ableToExcludePrivateIps);
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notifyPropertyChanged(BR.excludingPrivateIps);
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}
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Bindable
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public String getAllowedIps() {
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return allowedIps;
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}
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private Set<String> getAllowedIpsSet() {
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return new LinkedHashSet<>(Lists.of(Attribute.split(allowedIps)));
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}
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@Bindable
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public String getEndpoint() {
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return endpoint;
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}
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||||
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@Bindable
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public String getPersistentKeepalive() {
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return persistentKeepalive;
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}
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||||
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@Bindable
|
||||
public String getPreSharedKey() {
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return preSharedKey;
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}
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@Bindable
|
||||
public String getPublicKey() {
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return publicKey;
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}
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@Bindable
|
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public boolean isAbleToExcludePrivateIps() {
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return allowedIpsState == AllowedIpsState.CONTAINS_IPV4_PUBLIC_NETWORKS
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|| allowedIpsState == AllowedIpsState.CONTAINS_IPV4_WILDCARD;
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}
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@Bindable
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public boolean isExcludingPrivateIps() {
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return allowedIpsState == AllowedIpsState.CONTAINS_IPV4_PUBLIC_NETWORKS;
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}
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public Peer resolve() throws BadConfigException {
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||||
final Peer.Builder builder = new Peer.Builder();
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||||
if (!allowedIps.isEmpty())
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builder.parseAllowedIPs(allowedIps);
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if (!endpoint.isEmpty())
|
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builder.parseEndpoint(endpoint);
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if (!persistentKeepalive.isEmpty())
|
||||
builder.parsePersistentKeepalive(persistentKeepalive);
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if (!preSharedKey.isEmpty())
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||||
builder.parsePreSharedKey(preSharedKey);
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if (!publicKey.isEmpty())
|
||||
builder.parsePublicKey(publicKey);
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return builder.build();
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}
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public void setAllowedIps(final String allowedIps) {
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this.allowedIps = allowedIps;
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notifyPropertyChanged(BR.allowedIps);
|
||||
calculateAllowedIpsState();
|
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}
|
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|
||||
public void setEndpoint(final String endpoint) {
|
||||
this.endpoint = endpoint;
|
||||
notifyPropertyChanged(BR.endpoint);
|
||||
}
|
||||
|
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public void setExcludingPrivateIps(final boolean excludingPrivateIps) {
|
||||
if (!isAbleToExcludePrivateIps() || isExcludingPrivateIps() == excludingPrivateIps)
|
||||
return;
|
||||
final Set<String> oldNetworks = excludingPrivateIps ? IPV4_WILDCARD : IPV4_PUBLIC_NETWORKS;
|
||||
final Set<String> newNetworks = excludingPrivateIps ? IPV4_PUBLIC_NETWORKS : IPV4_WILDCARD;
|
||||
final Collection<String> input = getAllowedIpsSet();
|
||||
final int outputSize = input.size() - oldNetworks.size() + newNetworks.size();
|
||||
final Collection<String> output = new LinkedHashSet<>(outputSize);
|
||||
boolean replaced = false;
|
||||
// Replace the first instance of the wildcard with the public network list, or vice versa.
|
||||
for (final String network : input) {
|
||||
if (oldNetworks.contains(network)) {
|
||||
if (!replaced) {
|
||||
for (final String replacement : newNetworks)
|
||||
if (!output.contains(replacement))
|
||||
output.add(replacement);
|
||||
replaced = true;
|
||||
}
|
||||
} else if (!output.contains(network)) {
|
||||
output.add(network);
|
||||
}
|
||||
}
|
||||
// DNS servers only need to handled specially when we're excluding private IPs.
|
||||
if (excludingPrivateIps)
|
||||
output.addAll(dnsRoutes);
|
||||
else
|
||||
output.removeAll(dnsRoutes);
|
||||
allowedIps = Attribute.join(output);
|
||||
allowedIpsState = excludingPrivateIps ?
|
||||
AllowedIpsState.CONTAINS_IPV4_PUBLIC_NETWORKS : AllowedIpsState.CONTAINS_IPV4_WILDCARD;
|
||||
notifyPropertyChanged(BR.allowedIps);
|
||||
notifyPropertyChanged(BR.excludingPrivateIps);
|
||||
}
|
||||
|
||||
private void setInterfaceDns(final CharSequence dnsServers) {
|
||||
final List<String> newDnsRoutes = Stream.of(Attribute.split(dnsServers))
|
||||
.filter(server -> !server.contains(":"))
|
||||
.map(server -> server + "/32")
|
||||
.collect(Collectors.toUnmodifiableList());
|
||||
if (allowedIpsState == AllowedIpsState.CONTAINS_IPV4_PUBLIC_NETWORKS) {
|
||||
final Collection<String> input = getAllowedIpsSet();
|
||||
final Collection<String> output = new LinkedHashSet<>(input.size() + 1);
|
||||
// Yes, this is quadratic in the number of DNS servers, but most users have 1 or 2.
|
||||
for (final String network : input)
|
||||
if (!dnsRoutes.contains(network) || newDnsRoutes.contains(network))
|
||||
output.add(network);
|
||||
// Since output is a Set, this does the Right Thing™ (it does not duplicate networks).
|
||||
output.addAll(newDnsRoutes);
|
||||
// None of the public networks are /32s, so this cannot change the AllowedIPs state.
|
||||
allowedIps = Attribute.join(output);
|
||||
notifyPropertyChanged(BR.allowedIps);
|
||||
}
|
||||
dnsRoutes.clear();
|
||||
dnsRoutes.addAll(newDnsRoutes);
|
||||
}
|
||||
|
||||
public void setPersistentKeepalive(final String persistentKeepalive) {
|
||||
this.persistentKeepalive = persistentKeepalive;
|
||||
notifyPropertyChanged(BR.persistentKeepalive);
|
||||
}
|
||||
|
||||
public void setPreSharedKey(final String preSharedKey) {
|
||||
this.preSharedKey = preSharedKey;
|
||||
notifyPropertyChanged(BR.preSharedKey);
|
||||
}
|
||||
|
||||
public void setPublicKey(final String publicKey) {
|
||||
this.publicKey = publicKey;
|
||||
notifyPropertyChanged(BR.publicKey);
|
||||
}
|
||||
|
||||
private void setTotalPeers(final int totalPeers) {
|
||||
if (this.totalPeers == totalPeers)
|
||||
return;
|
||||
this.totalPeers = totalPeers;
|
||||
calculateAllowedIpsState();
|
||||
}
|
||||
|
||||
public void unbind() {
|
||||
if (owner == null)
|
||||
return;
|
||||
final InterfaceProxy interfaze = owner.getInterface();
|
||||
final ObservableList<PeerProxy> peers = owner.getPeers();
|
||||
if (interfaceDnsListener != null)
|
||||
interfaze.removeOnPropertyChangedCallback(interfaceDnsListener);
|
||||
if (peerListListener != null)
|
||||
peers.removeOnListChangedCallback(peerListListener);
|
||||
peers.remove(this);
|
||||
setInterfaceDns("");
|
||||
setTotalPeers(0);
|
||||
owner = null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel(final Parcel dest, final int flags) {
|
||||
dest.writeString(allowedIps);
|
||||
dest.writeString(endpoint);
|
||||
dest.writeString(persistentKeepalive);
|
||||
dest.writeString(preSharedKey);
|
||||
dest.writeString(publicKey);
|
||||
}
|
||||
|
||||
private enum AllowedIpsState {
|
||||
CONTAINS_IPV4_PUBLIC_NETWORKS,
|
||||
CONTAINS_IPV4_WILDCARD,
|
||||
INVALID,
|
||||
OTHER
|
||||
}
|
||||
|
||||
private static final class InterfaceDnsListener extends Observable.OnPropertyChangedCallback {
|
||||
private final WeakReference<PeerProxy> weakPeerProxy;
|
||||
|
||||
private InterfaceDnsListener(final PeerProxy peerProxy) {
|
||||
weakPeerProxy = new WeakReference<>(peerProxy);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPropertyChanged(final Observable sender, final int propertyId) {
|
||||
@Nullable final PeerProxy peerProxy = weakPeerProxy.get();
|
||||
if (peerProxy == null) {
|
||||
sender.removeOnPropertyChangedCallback(this);
|
||||
return;
|
||||
}
|
||||
// This shouldn't be possible, but try to avoid a ClassCastException anyway.
|
||||
if (!(sender instanceof InterfaceProxy))
|
||||
return;
|
||||
if (!(propertyId == BR._all || propertyId == BR.dnsServers))
|
||||
return;
|
||||
peerProxy.setInterfaceDns(((InterfaceProxy) sender).getDnsServers());
|
||||
}
|
||||
}
|
||||
|
||||
private static final class PeerListListener
|
||||
extends ObservableList.OnListChangedCallback<ObservableList<PeerProxy>> {
|
||||
private final WeakReference<PeerProxy> weakPeerProxy;
|
||||
|
||||
private PeerListListener(final PeerProxy peerProxy) {
|
||||
weakPeerProxy = new WeakReference<>(peerProxy);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onChanged(final ObservableList<PeerProxy> sender) {
|
||||
@Nullable final PeerProxy peerProxy = weakPeerProxy.get();
|
||||
if (peerProxy == null) {
|
||||
sender.removeOnListChangedCallback(this);
|
||||
return;
|
||||
}
|
||||
peerProxy.setTotalPeers(sender.size());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onItemRangeChanged(final ObservableList<PeerProxy> sender,
|
||||
final int positionStart, final int itemCount) {
|
||||
// Do nothing.
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onItemRangeInserted(final ObservableList<PeerProxy> sender,
|
||||
final int positionStart, final int itemCount) {
|
||||
onChanged(sender);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onItemRangeMoved(final ObservableList<PeerProxy> sender,
|
||||
final int fromPosition, final int toPosition,
|
||||
final int itemCount) {
|
||||
// Do nothing.
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onItemRangeRemoved(final ObservableList<PeerProxy> sender,
|
||||
final int positionStart, final int itemCount) {
|
||||
onChanged(sender);
|
||||
}
|
||||
}
|
||||
|
||||
private static class PeerProxyCreator implements Parcelable.Creator<PeerProxy> {
|
||||
@Override
|
||||
public PeerProxy createFromParcel(final Parcel in) {
|
||||
return new PeerProxy(in);
|
||||
}
|
||||
|
||||
@Override
|
||||
public PeerProxy[] newArray(final int size) {
|
||||
return new PeerProxy[size];
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user