fix NullPointerException when geyser dispatches ProxyPingEvent with a null virtual host

Author: Cirsius

src/main/java/xyz/webmc/originblacklist/bungee/OriginBlacklistBungee.java

@@ -94,8 +94,9 @@ public final void onJavaLogin(final PostLoginEvent event) {
     final PendingConnection conn = event.getPlayer().getPendingConnection();
     final InetSocketAddress vhost = conn.getVirtualHost();
     final ProxiedPlayer aPlayer = event.getPlayer();
+    final String origin = vhost != null ? vhost.getHostString() + vhost.getPort() : OriginBlacklist.UNKNOWN_STR;
     final OPlayer bPlayer = new OPlayer(null, aPlayer.getName(), aPlayer.getUniqueId(),
-        aPlayer.getAddress().toString(), aPlayer.getClientBrand(), vhost.getHostString() + vhost.getPort(),
+        aPlayer.getAddress().toString(), aPlayer.getClientBrand(), origin,
         conn.getVersion());
     this.blacklist.handleLogin(new OriginBlacklistLoginEvent(null, event, EnumConnectionType.JAVA, bPlayer));
   }
@@ -104,17 +105,19 @@ public final void onJavaLogin(final PostLoginEvent event) {
   public final void onJavaHandshake(final PreLoginEvent event) {
     final PendingConnection conn = event.getConnection();
     final InetSocketAddress vhost = conn.getVirtualHost();
+    final String origin = vhost != null ? vhost.getHostString() + vhost.getPort() : OriginBlacklist.UNKNOWN_STR;
     final OPlayer player = new OPlayer(null, null, null, conn.getAddress().toString(), OriginBlacklist.UNKNOWN_STR,
-        vhost.getHostString() + vhost.getPort(), conn.getVersion());
+        origin, conn.getVersion());
     this.blacklist.handleLogin(new OriginBlacklistLoginEvent(null, event, EnumConnectionType.JAVA, player));
   }
 
   @EventHandler(priority = EventPriority.LOWEST)
   public final void onJavaMOTD(final ProxyPingEvent event) {
     final PendingConnection conn = event.getConnection();
     final InetSocketAddress vhost = conn.getVirtualHost();
+    final String origin = vhost != null ? vhost.getHostString() + vhost.getPort() : OriginBlacklist.UNKNOWN_STR;
     final OPlayer player = new OPlayer(null, null, null, conn.getAddress().toString(), null,
-        vhost.getHostString() + vhost.getPort(), -1);
+        origin, -1);
     this.blacklist.handleMOTD(new OriginBlacklistMOTDEvent(null, event, EnumConnectionType.JAVA, player));
   }
 

src/main/java/xyz/webmc/originblacklist/velocity/OriginBlacklistVelocity.java

@@ -108,30 +108,32 @@ public final void onEaglerMOTD(final EaglercraftMOTDEvent event) {
   @Subscribe(order = PostOrder.FIRST)
   public final void onJavaLogin(final PreLoginEvent event) {
     final InboundConnection conn = event.getConnection();
-    final InetSocketAddress vhost = conn.getVirtualHost().orElseThrow();
+    final InetSocketAddress vhost = conn.getVirtualHost().orElse(null);
+    final String origin = vhost != null ? vhost.getHostString() + vhost.getPort() : OriginBlacklist.UNKNOWN_STR;
     final OPlayer player = new OPlayer(null, event.getUsername(), event.getUniqueId(),
-        conn.getRemoteAddress().toString(), OriginBlacklist.UNKNOWN_STR, vhost.getHostString() + vhost.getPort(),
+        conn.getRemoteAddress().toString(), OriginBlacklist.UNKNOWN_STR, origin,
         conn.getProtocolVersion().getProtocol());
     this.blacklist.handleLogin(new OriginBlacklistLoginEvent(null, event, EnumConnectionType.JAVA, player));
   }
 
   @Subscribe(order = PostOrder.FIRST)
   public final void onJavaHandshake(final PlayerClientBrandEvent event) {
-    final InetSocketAddress vhost = event.getPlayer().getVirtualHost().orElseThrow();
+    final InetSocketAddress vhost = event.getPlayer().getVirtualHost().orElse(null);
+    final String origin = vhost != null ? vhost.getHostString() + vhost.getPort() : OriginBlacklist.UNKNOWN_STR;
     final Player aPlayer = event.getPlayer();
     final OPlayer bPlayer = new OPlayer(null, aPlayer.getUsername(), aPlayer.getUniqueId(),
-        aPlayer.getRemoteAddress().getAddress().toString(), event.getBrand(), vhost.getHostString() + vhost.getPort(),
+        aPlayer.getRemoteAddress().getAddress().toString(), event.getBrand(), origin,
         event.getPlayer().getProtocolVersion().getProtocol());
     this.blacklist.handleLogin(new OriginBlacklistLoginEvent(null, event, EnumConnectionType.JAVA, bPlayer));
   }
 
   @Subscribe(order = PostOrder.LAST)
   public final void onJavaMOTD(final ProxyPingEvent event) {
     final InboundConnection conn = event.getConnection();
-    final InetSocketAddress vhost = conn.getVirtualHost().orElseThrow();
+    final InetSocketAddress vhost = conn.getVirtualHost().orElse(null);
+    final String origin = vhost != null ? vhost.getHostString() + vhost.getPort() : OriginBlacklist.UNKNOWN_STR;
     final OPlayer player = new OPlayer(null, null, null, conn.getRemoteAddress().getHostString(),
-        vhost.getHostString() + vhost.getPort(),
-        null, -1);
+        null, origin, -1);
     this.blacklist.handleMOTD(new OriginBlacklistMOTDEvent(null, event, EnumConnectionType.JAVA, player));
   }