Authentication implementation.

NachoSpigot-Server/src/main/java/com/github/sadcenter/auth/NachoAuthenticationService.java

@@ -54,7 +54,7 @@ public class NachoAuthenticationService implements AuthenticationService {
 
     private final LoadingCache<String, CompletableFuture<GameProfile>> gameProfileCache = CacheBuilder.newBuilder()
             .expireAfterWrite(3, TimeUnit.HOURS)
-            .maximumSize(5000) //idk what's size is the best so you can give some advices
+            .maximumSize(5000)
             .build(new CacheLoader<String, CompletableFuture<GameProfile>>() {
                 @Override
                 public CompletableFuture<GameProfile> load(String key) {
@@ -118,18 +118,13 @@ public GameProfile getPresentProfile(String name) {
                 profile.getNow(null);
     }
 
-    public CompletableFuture<UUID> getUuid(String name) {
-        return this.getUuidFromApi(name, NachoConfig.alwaysUseMojang).exceptionallyCompose(throwable -> this.getUuidFromApi(name, !NachoConfig.alwaysUseMojang));
-    }
-
     private CompletableFuture<GameProfile> getProfileFromApi(String name) {
-        return this.getProfileFromApi(name, NachoConfig.alwaysUseMojang)
-                .exceptionallyComposeAsync(throwable -> this.getProfileFromApi(name, !NachoConfig.alwaysUseMojang), EXECUTOR);
-    }
-
-    private CompletableFuture<UUID> getUuidFromApi(String name, boolean mojang) {
-        return mojang ? this.get(BACKUP_UUID_API + name, UUID.class) :
-                this.get(UUID_API + name, UUID.class);
+        CompletableFuture<GameProfile> profileFuture = this.getProfileFromApi(name, NachoConfig.texturesMojangPriority);
+        if (NachoConfig.backups) {
+            return profileFuture
+                    .exceptionallyComposeAsync(throwable -> this.getProfileFromApi(name, !NachoConfig.texturesMojangPriority), EXECUTOR);
+        }
+        return profileFuture;
     }
 
     private CompletableFuture<GameProfile> getProfileFromApi(String name, boolean mojang) {
@@ -142,6 +137,20 @@ private CompletableFuture<GameProfile> getProfileFromApi(String name, boolean mo
         }
     }
 
+    public CompletableFuture<UUID> getUuidFromApi(String name) {
+        CompletableFuture<UUID> uuidFuture = this.getUuidFromApi(name, NachoConfig.uuidMojangPriority);
+        if (NachoConfig.backups) {
+            return uuidFuture
+                    .exceptionallyCompose(throwable -> this.getUuidFromApi(name, !NachoConfig.uuidMojangPriority));
+        }
+        return uuidFuture;
+    }
+
+    private CompletableFuture<UUID> getUuidFromApi(String name, boolean mojang) {
+        return mojang ? this.get(BACKUP_UUID_API + name, UUID.class) :
+                this.get(UUID_API + name, UUID.class);
+    }
+
     public <T> CompletableFuture<T> get(String url, Class<T> type) {
         return CompletableFuture.supplyAsync(() -> {
             String result = null;

NachoSpigot-Server/src/main/java/com/github/sadcenter/auth/profile/NachoGameProfileRepository.java

@@ -22,7 +22,7 @@ public void findProfilesByNames(String[] names, Agent agent, ProfileLookupCallba
             }
 
             GameProfile gameProfile = new GameProfile(null, name);
-            this.authenticator.getUuid(name)
+            this.authenticator.getUuidFromApi(name)
                     .thenApply(uuid -> new GameProfile(uuid, name))
                     .thenAccept(callback::onProfileLookupSucceeded)
                     .exceptionally(throwable -> {

NachoSpigot-Server/src/main/java/me/elier/nachospigot/config/NachoConfig.java

@@ -141,8 +141,10 @@ static void loadComments() {
         c.addComment("settings.commands.permissions.version", "Enables a required permission to use /version");
         c.addComment("settings.commands.permissions.plugins", "Enables a required permission to use /plugins");
         c.addComment("settings.commands.enable-help-command", "Toggles the /help command");
-        c.addComment("settings.authenticator.use-nacho-authenticator", "Enables our own authentication system which uses Electroid's Mojang API.");
-        c.addComment("settings.authenticator.always-use-mojang", "Force to use mojang api no matter what");
+        c.addComment("settings.authenticator.use-nacho-authentication", "Enables our own authentication system.");
+        c.addComment("settings.authenticator.backups", "Should backup calls be enabled (recommended)");
+        c.addComment("settings.authenticator.uuid-priority", "What api should be used first in uuid fetching stage (ashcon, mojang)");
+        c.addComment("settings.authenticator.textures-priority", "What api should be used first in textures downloading stage (ashcon, mojang)");
         NachoWorldConfig.loadComments();
     }
 
@@ -384,7 +386,7 @@ private static void modeTcpFastOpen() {
 
     private static void enableProtocolShim() {
         if (config.contains("settings.enable-protocolib-shim")) getBoolean("settings.enable-protocol-shim", config.getBoolean("settings.enable-protocolib-shim")); else
-        enableProtocolShim = getBoolean("settings.enable-protocol-shim", true);
+            enableProtocolShim = getBoolean("settings.enable-protocol-shim", true);
     }
 
     public static boolean instantPlayInUseEntity;
@@ -394,14 +396,17 @@ private static void instantPlayInUseEntity() {
     }
 
     public static boolean useNachoAuthenticator;
+    public static boolean backups;
+    public static boolean uuidMojangPriority;
+    public static boolean texturesMojangPriority;
 
-    private static void useNachoAuthenticator() {
-        useNachoAuthenticator = getBoolean("settings.authenticator.use-nacho-authenticator", false);
+    private static void authentication() {
+        useNachoAuthenticator = getBoolean("settings.authenticator.use-nacho-authentication", false);
+        backups = getBoolean("settings.authenticator.backups", true);
+        uuidMojangPriority = getString("settings.authenticator.uuid-priority", "ashcon")
+                .equalsIgnoreCase("ashcon");
+        texturesMojangPriority = getString("settings.authenticator.textures-priority", "mojang")
+                .equalsIgnoreCase("ashcon");
     }
 
-    public static boolean alwaysUseMojang;
-
-    private static void alwaysUseMojang() {
-        alwaysUseMojang = getBoolean("settings.authenticator.always-use-mojang", true);
-    }
 }