1 files changed, 0 insertions, 125 deletions
diff --git a/app/src/main/java/com/wireguard/config/InetEndpoint.java b/app/src/main/java/com/wireguard/config/InetEndpoint.java
deleted file mode 100644
index a442258e..00000000
--- a/app/src/main/java/com/wireguard/config/InetEndpoint.java
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-package com.wireguard.config;
-
-import androidx.annotation.Nullable;
-
-import org.threeten.bp.Duration;
-import org.threeten.bp.Instant;
-
-import java.net.Inet4Address;
-import java.net.InetAddress;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.regex.Pattern;
-
-import java9.util.Optional;
-
-
-/**
- * An external endpoint (host and port) used to connect to a WireGuard {@link Peer}.
- * <p>
- * Instances of this class are externally immutable.
- */
-public final class InetEndpoint {
-    private static final Pattern BARE_IPV6 = Pattern.compile("^[^\\[\\]]*:[^\\[\\]]*");
-    private static final Pattern FORBIDDEN_CHARACTERS = Pattern.compile("[/?#]");
-
-    private final String host;
-    private final boolean isResolved;
-    private final Object lock = new Object();
-    private final int port;
-    private Instant lastResolution = Instant.EPOCH;
-    @Nullable private InetEndpoint resolved;
-
-    private InetEndpoint(final String host, final boolean isResolved, final int port) {
-        this.host = host;
-        this.isResolved = isResolved;
-        this.port = port;
-    }
-
-    public static InetEndpoint parse(final String endpoint) throws ParseException {
-        if (FORBIDDEN_CHARACTERS.matcher(endpoint).find())
-            throw new ParseException(InetEndpoint.class, endpoint, "Forbidden characters");
-        final URI uri;
-        try {
-            uri = new URI("wg://" + endpoint);
-        } catch (final URISyntaxException e) {
-            throw new IllegalArgumentException(e);
-        }
-        if (uri.getPort() < 0 || uri.getPort() > 65535)
-            throw new ParseException(InetEndpoint.class, endpoint, "Missing/invalid port number");
-        try {
-            InetAddresses.parse(uri.getHost());
-            // Parsing ths host as a numeric address worked, so we don't need to do DNS lookups.
-            return new InetEndpoint(uri.getHost(), true, uri.getPort());
-        } catch (final ParseException ignored) {
-            // Failed to parse the host as a numeric address, so it must be a DNS hostname/FQDN.
-            return new InetEndpoint(uri.getHost(), false, uri.getPort());
-        }
-    }
-
-    @Override
-    public boolean equals(final Object obj) {
-        if (!(obj instanceof InetEndpoint))
-            return false;
-        final InetEndpoint other = (InetEndpoint) obj;
-        return host.equals(other.host) && port == other.port;
-    }
-
-    public String getHost() {
-        return host;
-    }
-
-    public int getPort() {
-        return port;
-    }
-
-    /**
-     * Generate an {@code InetEndpoint} instance with the same port and the host resolved using DNS
-     * to a numeric address. If the host is already numeric, the existing instance may be returned.
-     * Because this function may perform network I/O, it must not be called from the main thread.
-     *
-     * @return the resolved endpoint, or {@link Optional#empty()}
-     */
-    public Optional<InetEndpoint> getResolved() {
-        if (isResolved)
-            return Optional.of(this);
-        synchronized (lock) {
-            //TODO(zx2c4): Implement a real timeout mechanism using DNS TTL
-            if (Duration.between(lastResolution, Instant.now()).toMinutes() > 1) {
-                try {
-                    // Prefer v4 endpoints over v6 to work around DNS64 and IPv6 NAT issues.
-                    final InetAddress[] candidates = InetAddress.getAllByName(host);
-                    InetAddress address = candidates[0];
-                    for (final InetAddress candidate : candidates) {
-                        if (candidate instanceof Inet4Address) {
-                            address = candidate;
-                            break;
-                        }
-                    }
-                    resolved = new InetEndpoint(address.getHostAddress(), true, port);
-                    lastResolution = Instant.now();
-                } catch (final UnknownHostException e) {
-                    resolved = null;
-                }
-            }
-            return Optional.ofNullable(resolved);
-        }
-    }
-
-    @Override
-    public int hashCode() {
-        return host.hashCode() ^ port;
-    }
-
-    @Override
-    public String toString() {
-        final boolean isBareIpv6 = isResolved && BARE_IPV6.matcher(host).matches();
-        return (isBareIpv6 ? '[' + host + ']' : host) + ':' + port;
-    }
-}