Allow customisation of the Mojang auth url (#550)

BungeeCord-Patches/0058-Add-auth-url-option.patch

@@ -0,0 +1,31 @@
+From 6a2b973f2c1499eb5508cd3424a0660e4f44c803 Mon Sep 17 00:00:00 2001
+From: theminecoder <theminecoder.dev@gmail.com>
+Date: Sun, 19 Jul 2020 10:18:23 +1000
+Subject: [PATCH] Add auth url option
+
+
+diff --git a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
+index b848e451..4b40b465 100644
+--- a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
++++ b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
+@@ -70,6 +70,8 @@ import net.md_5.bungee.util.QuietException;
+ public class InitialHandler extends PacketHandler implements PendingConnection
+ {
+ 
++    private static final String MOJANG_AUTH_URL = System.getProperty("waterfall.auth.url", "https://sessionserver.mojang.com/session/minecraft/hasJoined?username=%s&serverId=%s%s");
++
+     private final BungeeCord bungee;
+     private ChannelWrapper ch;
+     @Getter
+@@ -442,7 +444,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
+         String encodedHash = URLEncoder.encode( new BigInteger( sha.digest() ).toString( 16 ), "UTF-8" );
+ 
+         String preventProxy = ( BungeeCord.getInstance().config.isPreventProxyConnections() && getSocketAddress() instanceof InetSocketAddress ) ? "&ip=" + URLEncoder.encode( getAddress().getAddress().getHostAddress(), "UTF-8" ) : "";
+-        String authURL = "https://sessionserver.mojang.com/session/minecraft/hasJoined?username=" + encName + "&serverId=" + encodedHash + preventProxy;
++        String authURL = String.format( MOJANG_AUTH_URL, encName, encodedHash, preventProxy );
+ 
+         Callback<String> handler = new Callback<String>()
+         {
+-- 
+2.24.3 (Apple Git-128)
+