Add Tranditional Chinese translation

重构 authlib-injector 下载，并切换到新 API

HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java

@@ -160,7 +160,7 @@ public final class Launcher extends Application {
     public static final IUpgrader UPGRADER = new AppDataUpgrader();
     public static final CrashReporter CRASH_REPORTER = new CrashReporter();
 
-    public static final String UPDATE_SERVER = "https://hmcl.huangyuhui.net";
+    public static final String UPDATE_SERVER = "https://www.huangyuhui.net";
     public static final String CONTACT = UPDATE_SERVER + "/hmcl.php";
     public static final String PUBLISH = "http://www.mcbbs.net/thread-142335-1-1.html";
 }

HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLGameDownloadTask.java

@@ -20,6 +20,7 @@ package org.jackhuang.hmcl.game;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
@@ -70,7 +71,7 @@ public class HMCLGameDownloadTask extends Task {
                 NetworkUtils.toURL(profile.getDependency().getDownloadProvider().injectURL(version.getDownloadInfo().getUrl())),
                 cache,
                 profile.getDependency().getProxy(),
-                version.getDownloadInfo().getSha1()
+                new IntegrityCheck("SHA-1", version.getDownloadInfo().getSha1())
         ).then(Task.of(v -> FileUtils.copyFile(cache, jar))));
     }
 

HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java

@@ -22,10 +22,12 @@ import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.auth.AuthenticationException;
+import org.jackhuang.hmcl.auth.CredentialExpiredException;
 import org.jackhuang.hmcl.auth.ServerDisconnectException;
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
 import org.jackhuang.hmcl.download.MaintainTask;
 import org.jackhuang.hmcl.launch.*;
+import org.jackhuang.hmcl.mod.CurseCompletionException;
 import org.jackhuang.hmcl.mod.CurseCompletionTask;
 import org.jackhuang.hmcl.mod.ModpackConfiguration;
 import org.jackhuang.hmcl.setting.LauncherVisibility;
@@ -106,14 +108,12 @@ public final class LauncherHelper {
                 .then(Task.of(Schedulers.javafx(), () -> emitStatus(LoadingState.LOGGING_IN)))
                 .then(Task.of(Launcher.i18n("account.methods"), variables -> {
                     try {
-                        try {
-                            variables.set("account", account.logIn());
-                        } catch (ServerDisconnectException e) {
-                            variables.set("account",
-                                    account.playOffline().orElseThrow(() -> e));
-                        }
-                    } catch (AuthenticationException e) {
+                        variables.set("account", account.logIn());
+                    } catch (CredentialExpiredException e) {
                         variables.set("account", DialogController.logIn(account));
+                    } catch (AuthenticationException e) {
+                        variables.set("account",
+                                account.playOffline().orElseThrow(() -> e));
                     }
                 }))
                 .then(Task.of(Schedulers.javafx(), () -> emitStatus(LoadingState.LAUNCHING)))
@@ -172,13 +172,24 @@ public final class LauncherHelper {
 
             @Override
             public void onStop(boolean success, TaskExecutor executor) {
-                if (!success) {
+                if (!success && !Controllers.isStopped()) {
                     Platform.runLater(() -> {
-                        Controllers.closeDialog(launchingStepsPane);
-                        if (executor.getLastException() != null)
-                            Controllers.dialog(I18nException.getStackTrace(executor.getLastException()),
-                                    scriptFile == null ? Launcher.i18n("launch.failed") : Launcher.i18n("version.launch_script.failed"),
-                                    MessageBox.ERROR_MESSAGE);
+                        // Check if the application has stopped
+                        // because onStop will be invoked if tasks fail when the executor service shut down.
+                        if (!Controllers.isStopped()) {
+                            Controllers.closeDialog(launchingStepsPane);
+                            Exception ex = executor.getLastException();
+                            if (ex != null) {
+                                String message;
+                                if (ex instanceof CurseCompletionException)
+                                    message = Launcher.i18n("modpack.type.curse.error");
+                                else
+                                    message = I18nException.getStackTrace(ex);
+                                Controllers.dialog(message,
+                                        scriptFile == null ? Launcher.i18n("launch.failed") : Launcher.i18n("version.launch_script.failed"),
+                                        MessageBox.ERROR_MESSAGE);
+                            }
+                        }
                     });
                 }
                 launchingStepsPane.setExecutor(null);

HMCL/src/main/java/org/jackhuang/hmcl/setting/Accounts.java

@@ -22,19 +22,14 @@ import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.AccountFactory;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccountFactory;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorBuildInfo;
+import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorDownloader;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.auth.offline.OfflineAccount;
 import org.jackhuang.hmcl.auth.offline.OfflineAccountFactory;
 import org.jackhuang.hmcl.auth.yggdrasil.MojangYggdrasilProvider;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccountFactory;
-import org.jackhuang.hmcl.task.FileDownloadTask;
-import org.jackhuang.hmcl.util.FileUtils;
-
-import java.io.File;
 import java.io.IOException;
-import java.net.URL;
 import java.util.Map;
 import java.util.logging.Level;
 
@@ -55,7 +50,9 @@ public final class Accounts {
     public static final Map<String, AccountFactory<?>> ACCOUNT_FACTORY = mapOf(
             pair(OFFLINE_ACCOUNT_KEY, OfflineAccountFactory.INSTANCE),
             pair(YGGDRASIL_ACCOUNT_KEY, new YggdrasilAccountFactory(MojangYggdrasilProvider.INSTANCE)),
-            pair(AUTHLIB_INJECTOR_ACCOUNT_KEY, new AuthlibInjectorAccountFactory(Accounts::downloadAuthlibInjector, Accounts::getOrCreateAuthlibInjectorServer))
+            pair(AUTHLIB_INJECTOR_ACCOUNT_KEY, new AuthlibInjectorAccountFactory(
+                    new AuthlibInjectorDownloader(Launcher.HMCL_DIRECTORY.toPath(), () -> Settings.INSTANCE.getDownloadProvider())::getArtifactInfo,
+                    Accounts::getOrCreateAuthlibInjectorServer))
     );
 
     public static String getAccountType(Account account) {
@@ -73,22 +70,6 @@ public final class Accounts {
         return username + ":" + character;
     }
 
-    private static String downloadAuthlibInjector() throws Exception {
-        AuthlibInjectorBuildInfo buildInfo = AuthlibInjectorBuildInfo.requestBuildInfo();
-        File jar = new File(Launcher.HMCL_DIRECTORY, "authlib-injector.jar");
-        File local = new File(Launcher.HMCL_DIRECTORY, "authlib-injector.txt");
-        int buildNumber = 0;
-        try {
-            buildNumber = Integer.parseInt(FileUtils.readText(local));
-        } catch (IOException | NumberFormatException ignore) {
-        }
-        if (buildNumber < buildInfo.getBuildNumber()) {
-            new FileDownloadTask(new URL(buildInfo.getUrl()), jar).run();
-            FileUtils.writeText(local, String.valueOf(buildInfo.getBuildNumber()));
-        }
-        return jar.getAbsolutePath();
-    }
-
     private static AuthlibInjectorServer getOrCreateAuthlibInjectorServer(String url) {
         return Settings.SETTINGS.authlibInjectorServers.stream()
                 .filter(server -> url.equals(server.getUrl()))

HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java

@@ -79,7 +79,7 @@ public final class Config implements Cloneable {
     public final StringProperty localization = new SimpleStringProperty();
 
     @SerializedName("downloadtype")
-    public final IntegerProperty downloadType = new SimpleIntegerProperty();
+    public final IntegerProperty downloadType = new SimpleIntegerProperty(1);
 
     @SerializedName("configurations")
     public final ObservableMap<String, Profile> configurations = FXCollections.observableMap(new TreeMap<>());
@@ -99,6 +99,9 @@ public final class Config implements Cloneable {
     @SerializedName("logLines")
     public final IntegerProperty logLines = new SimpleIntegerProperty(100);
 
+    @SerializedName("firstLaunch")
+    public final BooleanProperty firstLaunch = new SimpleBooleanProperty(true);
+
     public final ObservableList<AuthlibInjectorServer> authlibInjectorServers = FXCollections.observableArrayList();
 
     @Override

HMCL/src/main/java/org/jackhuang/hmcl/setting/Locales.java

@@ -53,7 +53,7 @@ public final class Locales {
      */
     public static final SupportedLocale RU = new SupportedLocale(new Locale("ru"));
 
-    public static final List<SupportedLocale> LOCALES = Lang.immutableListOf(DEFAULT, EN, ZH_CN);
+    public static final List<SupportedLocale> LOCALES = Lang.immutableListOf(DEFAULT, EN, ZH_CN, ZH);
 
     public static SupportedLocale getLocale(int index) {
         return Lang.get(LOCALES, index).orElse(DEFAULT);

HMCL/src/main/java/org/jackhuang/hmcl/setting/Profile.java

@@ -116,6 +116,7 @@ public final class Profile {
         VersionSetting vs = repository.getVersionSetting(id);
         if (vs == null || vs.isUsesGlobal()) {
             getGlobal().setGlobal(true); // always keep global.isGlobal = true
+            getGlobal().setUsesGlobal(true);
             return getGlobal();
         } else
             return vs;

HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java

@@ -79,7 +79,11 @@ public class Settings {
 
     private final Map<String, Account> accounts = new ConcurrentHashMap<>();
 
+    private final boolean firstLaunch;
+
     private Settings() {
+        firstLaunch = SETTINGS.firstLaunch.get();
+
         loadProxy();
 
         for (Iterator<Map<Object, Object>> iterator = SETTINGS.accounts.iterator(); iterator.hasNext();) {
@@ -140,6 +144,7 @@ public class Settings {
     public void save() {
         try {
             SETTINGS.accounts.clear();
+            SETTINGS.firstLaunch.set(false);
             for (Account account : accounts.values()) {
                 Map<Object, Object> storage = account.toStorage();
                 storage.put("type", Accounts.getAccountType(account));
@@ -152,6 +157,10 @@ public class Settings {
         }
     }
 
+    public boolean isFirstLaunch() {
+        return firstLaunch;
+    }
+
     private final StringProperty commonPath = new ImmediateStringProperty(this, "commonPath", SETTINGS.commonDirectory.get()) {
         @Override
         public void invalidated() {

HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAccountPane.java

@@ -36,14 +36,13 @@ import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.auth.offline.OfflineAccount;
 import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
+import org.jackhuang.hmcl.auth.yggdrasil.RemoteAuthenticationException;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
 import org.jackhuang.hmcl.game.AccountHelper;
 import org.jackhuang.hmcl.setting.Accounts;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.ui.animation.ContainerAnimations;
-import org.jackhuang.hmcl.ui.animation.TransitionHandler;
 import org.jackhuang.hmcl.ui.construct.AdvancedListBox;
 import org.jackhuang.hmcl.ui.construct.IconedItem;
 import org.jackhuang.hmcl.ui.construct.SpinnerPane;
@@ -83,6 +82,7 @@ public class AddAccountPane extends StackPane {
         cboServers.setCellFactory(jfxListCellFactory(server -> new TwoLineListItem(server.getName(), server.getUrl())));
         cboServers.setConverter(stringConverter(AuthlibInjectorServer::getName));
         cboServers.setItems(Settings.SETTINGS.authlibInjectorServers);
+        cboServers.setPromptText(Launcher.i18n("general.prompt.empty"));
 
         // workaround: otherwise the combox will be black
         if (!cboServers.getItems().isEmpty())
@@ -253,16 +253,22 @@ public class AddAccountPane extends StackPane {
     }
 
     public static String accountException(Exception exception) {
-        if (exception instanceof InvalidCredentialsException) {
-            return Launcher.i18n("account.failed.invalid_credentials");
-        } else if (exception instanceof NoCharacterException) {
-            return Launcher.i18n("account.failed.no_charactor");
+        if (exception instanceof NoCharacterException) {
+            return Launcher.i18n("account.failed.no_character");
         } else if (exception instanceof ServerDisconnectException) {
             return Launcher.i18n("account.failed.connect_authentication_server");
-        } else if (exception instanceof InvalidTokenException) {
-            return Launcher.i18n("account.failed.invalid_token");
-        } else if (exception instanceof InvalidPasswordException) {
-            return Launcher.i18n("account.failed.invalid_password");
+        } else if (exception instanceof RemoteAuthenticationException) {
+            RemoteAuthenticationException remoteException = (RemoteAuthenticationException) exception;
+            String remoteMessage = remoteException.getRemoteMessage();
+            if ("ForbiddenOperationException".equals(remoteException.getRemoteName()) && remoteMessage != null) {
+                if (remoteMessage.contains("Invalid credentials"))
+                    return Launcher.i18n("account.failed.invalid_credentials");
+                else if (remoteMessage.contains("Invalid token"))
+                    return Launcher.i18n("account.failed.invalid_token");
+                else if (remoteMessage.contains("Invalid username or password"))
+                    return Launcher.i18n("account.failed.invalid_password");
+            }
+            return exception.getMessage();
         } else {
             return exception.getClass() + ": " + exception.getLocalizedMessage();
         }

HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java

@@ -157,7 +157,8 @@ public final class Controllers {
     }
 
     public static void closeDialog(Region content) {
-
+        if (stage == null) // shut down
+            return;
         decorator.closeDialog(content);
     }
 
@@ -174,6 +175,10 @@ public final class Controllers {
         getLeftPaneController().showUpdate();
     }
 
+    public static boolean isStopped() {
+        return decorator == null;
+    }
+
     public static void shutdown() {
         mainPage = null;
         settingsPage = null;

HMCL/src/main/java/org/jackhuang/hmcl/ui/Decorator.java

@@ -22,6 +22,10 @@ import com.jfoenix.controls.JFXDialog;
 import com.jfoenix.controls.JFXDrawer;
 import com.jfoenix.controls.JFXHamburger;
 import com.jfoenix.svg.SVGGlyph;
+import javafx.animation.Interpolator;
+import javafx.animation.KeyFrame;
+import javafx.animation.KeyValue;
+import javafx.animation.Timeline;
 import javafx.application.Platform;
 import javafx.beans.binding.Bindings;
 import javafx.beans.property.BooleanProperty;
@@ -38,6 +42,7 @@ import javafx.scene.Node;
 import javafx.scene.control.Label;
 import javafx.scene.control.Tooltip;
 import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.*;
 import javafx.scene.paint.Color;
@@ -45,8 +50,10 @@ import javafx.scene.shape.Rectangle;
 import javafx.stage.Screen;
 import javafx.stage.Stage;
 import javafx.stage.StageStyle;
+import javafx.util.Duration;
 import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.setting.EnumBackgroundImage;
+import org.jackhuang.hmcl.setting.Locales;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.animation.AnimationProducer;
@@ -61,6 +68,7 @@ import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.StringUtils;
 
 import java.io.File;
+import java.util.Locale;
 import java.util.Queue;
 import java.util.Random;
 import java.util.concurrent.ConcurrentLinkedQueue;
@@ -129,6 +137,8 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
     private JFXButton btnClose;
     @FXML
     private HBox navLeft;
+    @FXML
+    private ImageView welcomeView;
 
     public Decorator(Stage primaryStage, Node mainPage, String title) {
         this(primaryStage, mainPage, title, true, true);
@@ -172,6 +182,19 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
         dialog.setDialogContainer(drawerWrapper);
         dialog.setContent(dialogPane);
 
+        welcomeView.setCursor(Cursor.HAND);
+        welcomeView.setOnMouseClicked(e -> {
+            Timeline nowAnimation = new Timeline();
+            nowAnimation.getKeyFrames().addAll(
+                    new KeyFrame(Duration.ZERO, new KeyValue(welcomeView.opacityProperty(), 1.0D, Interpolator.EASE_BOTH)),
+                    new KeyFrame(new Duration(300), new KeyValue(welcomeView.opacityProperty(), 0.0D, Interpolator.EASE_BOTH)),
+                    new KeyFrame(new Duration(300), e2 -> drawerWrapper.getChildren().remove(welcomeView))
+            );
+            nowAnimation.play();
+        });
+        if (!Settings.INSTANCE.isFirstLaunch() || Settings.INSTANCE.getLocale().getLocale() != Locale.CHINA)
+            drawerWrapper.getChildren().remove(welcomeView);
+
         if (!min) buttonsContainer.getChildren().remove(btnMin);
         if (!max) buttonsContainer.getChildren().remove(btnMax);
 

HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java

@@ -46,7 +46,6 @@ import javafx.util.Duration;
 import javafx.util.StringConverter;
 
 import org.jackhuang.hmcl.Launcher;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.util.*;
 
 import java.io.File;

HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionItem.java

@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hmcl.ui;
 
+import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.JFXButton;
 import javafx.beans.binding.Bindings;
 import javafx.event.EventHandler;
@@ -173,10 +174,12 @@ public final class VersionItem extends StackPane {
         btnLaunch.setGraphic(SVG.launch(Theme.blackFillBinding(), 15, 15));
         btnScript.setGraphic(SVG.script(Theme.blackFillBinding(), 15, 15));
 
-        FXUtils.installTooltip(btnSettings, Launcher.i18n("version.settings"));
-        FXUtils.installTooltip(btnUpdate, Launcher.i18n("version.update"));
-        FXUtils.installTooltip(btnLaunch, Launcher.i18n("version.launch"));
-        FXUtils.installTooltip(btnScript, Launcher.i18n("version.launch_script"));
+        JFXUtilities.runInFX(() -> {
+            FXUtils.installTooltip(btnSettings, Launcher.i18n("version.settings"));
+            FXUtils.installTooltip(btnUpdate, Launcher.i18n("version.update"));
+            FXUtils.installTooltip(btnLaunch, Launcher.i18n("version.launch"));
+            FXUtils.installTooltip(btnScript, Launcher.i18n("version.launch_script"));
+        });
 
         icon.translateYProperty().bind(Bindings.createDoubleBinding(() -> header.getBoundsInParent().getHeight() - icon.getHeight() / 2 - 16, header.boundsInParentProperty(), icon.heightProperty()));
         FXUtils.limitSize(iconView, 32, 32);

HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionSettingsController.java

@@ -107,8 +107,6 @@ public final class VersionSettingsController {
     }
 
     public void loadVersionSetting(Profile profile, String versionId) {
-        rootPane.getChildren().remove(advancedSettingsPane);
-
         this.profile = profile;
         this.versionId = versionId;
 
@@ -173,6 +171,8 @@ public final class VersionSettingsController {
         else
             globalItem.getGroup().getToggles().stream().filter(it -> it.getUserData() == Boolean.FALSE).findFirst().ifPresent(it -> it.setSelected(true));
         globalItem.setToggleSelectedListener(newValue -> {
+            // do not call versionSettings.setUsesGlobal(true/false)
+            // because versionSettings can be the global one.
             if ((Boolean) newValue.getUserData())
                 profile.globalizeVersionSetting(versionId);
             else
@@ -235,14 +235,6 @@ public final class VersionSettingsController {
         gameDirItem.setSubtitle(profile.getRepository().getRunDirectory(versionId).getAbsolutePath());
     }
 
-    @FXML
-    private void onShowAdvanced() {
-        if (!rootPane.getChildren().contains(advancedSettingsPane))
-            rootPane.getChildren().add(advancedSettingsPane);
-        else
-            rootPane.getChildren().remove(advancedSettingsPane);
-    }
-
     @FXML
     private void onExploreIcon() {
         FileChooser chooser = new FileChooser();

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadWizardProvider.java

@@ -102,10 +102,10 @@ public final class DownloadWizardProvider implements WizardProvider {
                     case 1:
                         return new ModpackPage(controller);
                     default:
-                        throw new IllegalStateException("Error step " + step + ", subStep " + subStep + ", settings: " + settings);
+                        throw new IllegalStateException("Error step " + step + ", subStep " + subStep + ", settings: " + settings + ", pages: " + controller.getPages());
                 }
             default:
-                throw new IllegalStateException("error step " + step + ", settings: " + settings);
+                throw new IllegalStateException("error step " + step + ", settings: " + settings + ", pages: " + controller.getPages());
         }
     }
 

HMCL/src/main/java/org/jackhuang/hmcl/ui/wizard/WizardController.java

@@ -20,10 +20,7 @@ package org.jackhuang.hmcl.ui.wizard;
 import javafx.scene.Node;
 import org.jackhuang.hmcl.task.Task;
 
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Stack;
+import java.util.*;
 
 public class WizardController implements Navigation {
     private final WizardDisplayer displayer;
@@ -47,6 +44,10 @@ public class WizardController implements Navigation {
         this.provider = provider;
     }
 
+    public List<Node> getPages() {
+        return Collections.unmodifiableList(pages);
+    }
+
     @Override
     public void onStart() {
         Objects.requireNonNull(provider);
@@ -81,6 +82,10 @@ public class WizardController implements Navigation {
 
     @Override
     public void onPrev(boolean cleanUp) {
+        if (!canPrev()) {
+            throw new IllegalStateException("Cannot go backward since this is the back page. Pages: " + pages);
+        }
+
         Node page = pages.pop();
         if (cleanUp && page instanceof WizardPage)
             ((WizardPage) page).cleanup(settings);

HMCL/src/main/java/org/jackhuang/hmcl/upgrade/AppDataUpgrader.java

@@ -23,6 +23,7 @@ import com.jfoenix.concurrency.JFXUtilities;
 import javafx.scene.layout.Region;
 import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.task.TaskExecutor;
 import org.jackhuang.hmcl.ui.Controllers;
@@ -182,7 +183,7 @@ public class AppDataUpgrader extends IUpgrader {
 
         @Override
         public Collection<Task> getDependents() {
-            return Collections.singleton(new FileDownloadTask(downloadLink, tempFile, Proxy.NO_PROXY, hash));
+            return Collections.singleton(new FileDownloadTask(downloadLink, tempFile, Proxy.NO_PROXY, new IntegrityCheck("SHA-1", hash)));
         }
 
         @Override
@@ -232,7 +233,7 @@ public class AppDataUpgrader extends IUpgrader {
 
         @Override
         public Collection<Task> getDependents() {
-            return Collections.singleton(new FileDownloadTask(downloadLink, tempFile, Proxy.NO_PROXY, hash));
+            return Collections.singleton(new FileDownloadTask(downloadLink, tempFile, Proxy.NO_PROXY, new IntegrityCheck("SHA-1", hash)));
         }
 
         @Override

HMCL/src/main/resources/assets/fxml/decorator.fxml

@@ -8,6 +8,8 @@
 <?import org.jackhuang.hmcl.ui.construct.AdvancedListBox?>
 <?import org.jackhuang.hmcl.ui.FXUtils?>
 <?import java.lang.String?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.image.Image?>
 <fx:root xmlns="http://javafx.com/javafx"
          type="StackPane"
          xmlns:fx="http://javafx.com/fxml">
@@ -44,6 +46,9 @@
                         </StackPane>
                     </center>
                 </BorderPane>
+                <ImageView fx:id="welcomeView">
+                    <Image url="/assets/img/welcome.png" />
+                </ImageView>
             </StackPane>
         </center>
         <top>

HMCL/src/main/resources/assets/fxml/version/version-settings.fxml

@@ -104,8 +104,8 @@
                     </right>
                 </BorderPane>
             </ComponentList>
-            <HBox alignment="CENTER" style="-fx-padding: 10 0 10 0;">
-                <JFXButton text="%settings.advanced" onMouseClicked="#onShowAdvanced" buttonType="RAISED" styleClass="jfx-button-raised"/>
+            <HBox alignment="CENTER_LEFT" style="-fx-padding: 20 0 12 0;">
+                <Label text="%settings.advanced" style="-fx-text-fill: #616161;" />
             </HBox>
             <ComponentList fx:id="advancedSettingsPane" depth="1">
                 <JFXTextField labelFloat="true" promptText="%settings.advanced.jvm_args" styleClass="fit-width"

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -38,7 +38,7 @@ account.failed.connect_authentication_server=Cannot connect to the authenticatio
 account.failed.invalid_credentials=Incorrect password, or you are forbidden to login temporarily.
 account.failed.invalid_password=Invalid password
 account.failed.invalid_token=Please log out and re-input your password to login.
-account.failed.no_charactor=No character in this account.
+account.failed.no_character=No character in this account.
 account.failed.no_selected_server=No authentication server is selected.
 account.failed.connect_injector_server=Cannot connect to the authentication server. Check your network and ensure the URL is correct.
 account.injector.add=Add authentication server
@@ -99,6 +99,8 @@ folder.resourcepacks=Resourcepacks
 folder.saves=Saves
 folder.screenshots=Screenshots
 
+general.prompt.empty=(None)
+
 input.email=The username must be an e-mail.
 input.number=Must be a number.
 input.not_empty=Required field
@@ -173,7 +175,7 @@ message.unknown=Unknown
 
 
 modpack=Mod pack
-modpack.choose=Choose a modpack zip file which you want to import. If you want to update the modpack, please enter the version you want to update.
+modpack.choose=Choose a modpack zip file which you want to install.
 modpack.desc=Describe your modpack, including precautions, changlog, supporting Markdown(also supporting online pictures).
 modpack.enter_name=Enter your desired name for this game.
 modpack.export=Export Modpack
@@ -202,6 +204,7 @@ modpack.task.install.error=Failed to install the modpack. Maybe the files is inc
 modpack.task.install.will=Install the modpack:
 modpack.type.curse=Curse
 modpack.type.curse.completion=Install relative files to Curse modpack
+modpack.type.curse.error=Unable to complete this Curse modpack. Please retry.
 modpack.type.hmcl=HMCL
 modpack.type.multimc=MultiMC
 modpack.unsupported=Unsupported modpack, only HMCL, MultiMC, Curse modpacks are supported.
@@ -240,7 +243,7 @@ selector.custom=Custom
 
 settings=Settings
 
-settings.advanced=Advanced
+settings.advanced=Advanced Settings
 settings.advanced.dont_check_game_completeness=Don't check game completeness
 settings.advanced.game_dir.default=Default (.minecraft/)
 settings.advanced.game_dir.independent=Independent (.minecraft/versions/<version name>/, except assets,libraries)

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -0,0 +1,334 @@
+# Hello Minecraft! Launcher.
+# Copyright (C) 2013  huangyuhui <[email protected]>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see {http://www.gnu.org/licenses/}.
+#
+#author: huangyuhui
+about.copyright=版權
+about.copyright.statement=Copyright (c) 2018 huangyuhui.
+about.author=作者
+about.author.statement=huanghongxun ([email protected])
+about.thanks_to=鳴謝
+about.thanks_to.statement=bangbang93 (BMCLAPI, https://bmclapi2.bangbang93.com/)\ngamerteam (默認背景圖)\n所有通過 Issues、Pull Requests 等方式參與本項目的貢獻者
+about.dependency=依賴
+# 由於篇幅限制，僅列出第一作者
+about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)
+about.claim=免責聲明
+about.claim.statement=Minecraft 版權歸 Mojang AB 所有，使用本軟件產生的版權問題，軟件製作方概不負責。請支持正版。
+about.open_source=開源
+about.open_source.statement=GPL v3 (https://github.com/huanghongxun/HMCL/)
+
+account=賬戶
+account.character=角色
+account.choose=選擇一個角色
+account.create=新建賬戶
+account.email=郵箱
+account.failed.connect_authentication_server=無法連接認證服務器,可能是網絡問題
+account.failed.invalid_credentials=您的用戶名或密碼錯誤，或者登錄次數過多被暫時禁止登錄，請稍後再試
+account.failed.invalid_password=無效的密碼
+account.failed.invalid_token=請嘗試登出並重新輸入密碼登錄
+account.failed.no_character=該帳號沒有角色
+account.failed.no_selected_server=未選擇認證服務器
+account.failed.connect_injector_server=無法連接認證服務器，可能是網絡故障或 URL 輸入錯誤
+account.injector.add=添加認證服務器
+account.injector.manage=管理認證服務器
+account.injector.http=警告：此服務器使用不安全的 HTTP 協議，您的密碼在登錄時會被明文傳輸。
+account.injector.server=認證服務器
+account.injector.server_url=服務器地址
+account.injector.server_name=服務器名稱
+account.methods=登錄方式
+account.methods.authlib_injector=authlib-injector 登錄
+account.methods.no_method=沒有登入方式
+account.methods.offline=離線模式
+account.methods.yggdrasil=正版登錄
+account.missing=沒有賬戶
+account.password=密碼
+account.username=用戶名
+
+archive.author=作者
+archive.game_version=遊戲版本
+archive.version=版本
+
+assets.download=下載資源
+assets.download_all=檢查資源文件完整性
+
+button.cancel=取消
+button.clear=清除
+button.delete=刪除
+button.edit=修改
+button.install=安裝
+button.no=否
+button.ok=確定
+button.refresh=刷新
+button.save=保存
+button.yes=是
+
+color.recent=推薦
+color.custom=自定義顏色
+
+crash.NoClassDefFound=請確認 HMCL 本體是否完整，或更新您的 Java。
+crash.user_fault=您的系統或 Java 環境可能安裝不當導致本軟件崩潰，請檢查您的 Java 環境或您的電腦！可以嘗試重新安裝 Java。
+
+download=下載
+download.BMCL=BMCLAPI（bangbang93，https://bmclapi2.bangbang93.com/）
+download.failed=下載失敗
+download.failed.refresh=加載版本列表失敗，點擊此處重試。
+download.mojang=官方
+
+extension.bat=Windows 腳本
+extension.mod=模組文件
+extension.png=圖片文件
+extension.sh=Bash 腳本
+
+folder.config=配置文件夾
+folder.coremod=核心MOD文件夾
+folder.game=遊戲文件夾
+folder.mod=MOD文件夾
+folder.resourcepacks=資源包文件夾
+folder.saves=存檔文件夾
+folder.screenshots=截圖文件夾
+
+general.prompt.empty=（無）
+
+input.email=用戶名必須是郵箱
+input.number=必須是數字
+input.not_empty=必填項
+input.url=必須是合法的鏈接
+
+install=添加遊戲
+install.failed=安裝失敗
+install.installer.choose=選擇 %s 版本
+install.installer.forge=Forge
+install.installer.game=遊戲
+install.installer.install=安裝 %s
+install.installer.liteloader=LiteLoader
+install.installer.not_installed=暫不安裝 %s，可以點擊此處安裝
+install.installer.optifine=OptiFine
+install.installer.version=%s 版本
+install.modpack=安裝整合包
+install.new_game=安裝新遊戲版本
+install.new_game.already_exists=此版本已經存在，請換一個名字
+install.new_game.current_game_version=當前遊戲版本
+install.select=請選擇安裝方式
+install.success=安裝成功
+
+lang=繁體中文
+lang.default=跟隨系統語言
+
+launch.advice.different_platform=您的系統是 64 位的但是 Java 是 32 位的，推薦您安裝 64 位 Java。
+launch.advice.java8_1_13=Minecraft 1.13 只支持 Java 8 或更高版本，請使用 Java 8 或最新版本。
+launch.advice.java9=不高於 1.13 的安裝了 Mod 的 Minecraft 不支持 Java 9 或更高版本，請使用 Java 8。
+launch.advice.newer_java=檢測到您未使用 Java 8 及更新版本，Java 8 能使遊戲更流暢而且 Minecraft 1.12 及更新版本和很多 Mod 強制需要需要 Java 8。
+launch.advice.not_enough_space=您設置的內存大小過大，由於超過了系統內存大小 %dMB，所以可能影響遊戲體驗或無法啓動遊戲，啓動器仍會嘗試啓動。
+launch.advice.too_large_memory_for_32bit=您設置的內存大小過大，由於可能超過了 32 位 Java 的內存分配限制，所以可能無法啓動遊戲，請將內存調至 1024MB 或更小，啓動器仍會嘗試啓動。
+launch.failed=啓動失敗
+launch.failed.cannot_create_jvm=截獲到無法創建 Java 虛擬機，可能是 Java 參數有問題，可以在設置中開啓無參數模式啓動。
+launch.failed.creating_process=啓動失敗，在創建新進程時發生錯誤，可能是 Java 路徑錯誤。
+launch.failed.decompressing_natives=未能解壓遊戲本地庫。
+launch.failed.executable_permission=未能爲啓動文件添加執行權限。
+launch.failed.exited_abnormally=遊戲非正常退出，請查看日志文件，或聯繫他人尋求幫助。
+launch.state.dependencies=正在處理遊戲依賴
+launch.state.done=啓動完成
+launch.state.logging_in=登錄中
+launch.state.modpack=正在下載必要文件
+launch.state.waiting_launching=等待遊戲啓動
+launch.wrong_javadir=錯誤的 Java 路徑，將自動重置爲默認 Java 路徑。
+
+launcher=啓動器
+launcher.background=背景地址
+launcher.background.choose=選擇背景路徑
+launcher.background.default=默認（自動檢索啓動器同目錄下的 background.png/jpg 及 bg 文件夾內的圖片）
+launcher.common_directory=公共文件夾
+launcher.common_directory.choose=選擇公共文件夾
+launcher.contact=聯繫我們
+launcher.crash=Hello Minecraft! Launcher 遇到了無法處理的錯誤，請複製下列內容並通過 MCBBS、貼吧、GitHub 或 Minecraft Forum 反饋 bug。
+launcher.crash_out_dated=Hello Minecraft! Launcher 遇到了無法處理的錯誤，已檢測到您的啓動器不是最新版本，請更新後再試！
+launcher.update_java=請更新您的 Java
+
+login.empty_username=你還未設置用戶名！
+login.enter_password=請輸入您的密碼
+
+logwindow.show_lines=顯示行數
+logwindow.terminate_game=結束遊戲進程
+logwindow.title=日誌
+
+main_page=主頁
+
+message.confirm=提示
+message.doing=請耐心等待
+message.downloading=正在下載...
+message.error=錯誤
+message.info=提示
+message.success=已完成
+message.unknown=未知
+
+
+modpack=整合包
+modpack.choose=選擇要安裝的遊戲整合包文件
+modpack.desc=描述你要製作的整合包，比如整合包注意事項和更新記錄，支持 Markdown（圖片請用網絡圖）。
+modpack.enter_name=給遊戲起個你喜歡的名字
+modpack.export=導出整合包
+modpack.files.blueprints=BuildCraft 藍圖
+modpack.files.config=Mod 配置文件
+modpack.files.dumps=NEI 調試輸出
+modpack.files.liteconfig=Mod 配置文件
+modpack.files.mods=Mod
+modpack.files.mods.voxelmods=VoxelMods 配置，如小地圖
+modpack.files.options_txt=遊戲設定
+modpack.files.optionsshaders_txt=光影設定
+modpack.files.resourcepacks=資源包(材質包)
+modpack.files.saves=遊戲存檔
+modpack.files.scripts=MineTweaker 配置
+modpack.files.servers_dat=多人遊戲服務器列表
+modpack.install=安裝%s整合包
+modpack.installing=正在安裝整合包
+modpack.introduction=支持 Curse、MultiMC、HMCL、MCBBS 整合包。
+modpack.invalid=無效的整合包升級文件，可能是下載時出現問題。
+modpack.mismatched_type=整合包類型不匹配，當前遊戲是 %s 整合包，但是提供的整合包更新文件是 %s 整合包。
+modpack.name=整合包名稱
+modpack.not_a_valid_name=不是一個有效的整合包名稱
+modpack.scan=解析整合包
+modpack.task.install=導入整合包
+modpack.task.install.error=安裝失敗，可能是整合包格式不正確或操作文件失敗。
+modpack.task.install.will=將會安裝整合包：
+modpack.type.curse=Curse
+modpack.type.curse.completion=下載 Curse 整合包相關文件
+modpack.type.curse.error=未能完成 Curse 整合包的下载，请多次重试或设置代理
+modpack.type.hmcl=HMCL
+modpack.type.multimc=MultiMC
+modpack.unsupported=該整合包不被支持。僅 HMCL、MultiMC、Curse 整合包受支持。
+modpack.update=正在升級整合包
+modpack.wizard=導出整合包嚮導
+modpack.wizard.step.1=基本設置
+modpack.wizard.step.1.title=設置整合包的主要信息
+modpack.wizard.step.2=文件選擇
+modpack.wizard.step.2.title=選中你想加到整合包中的文件或文件夾
+modpack.wizard.step.3=整合包描述
+modpack.wizard.step.initialization.exported_version=要導出的遊戲版本
+modpack.wizard.step.initialization.include_launcher=包含啓動器
+modpack.wizard.step.initialization.save=選擇要導出到的遊戲整合包位置
+modpack.wizard.step.initialization.warning=在製作整合包前，請您確認您選擇的版本可以正常啓動，\n並保證您的 Minecraft 是正式版而非快照版，\n而且不應當將不允許非官方途徑傳播的 Mod、材質包等納入整合包。\n整合包會保存您目前的下載源設置
+
+mods=模組管理
+mods.add=添加模組
+mods.add.failed=添加模組 %s 失敗。
+mods.add.success=成功添加模組 %s。
+mods.choose_mod=選擇模組
+mods.remove=刪除
+
+
+profile=配置
+profile.default=當前目錄
+profile.home=主文件夾
+profile.instance_directory=遊戲路徑
+profile.instance_directory.choose=選擇遊戲路徑
+profile.new=新建配置
+profile.title=遊戲目錄
+profile.selected=已選中
+
+selector.choose=選擇
+selector.choose_file=選擇文件
+selector.custom=自定義
+
+settings=普通設置
+
+settings.advanced=高級設置
+settings.advanced.dont_check_game_completeness=不檢查遊戲完整性
+settings.advanced.game_dir.default=默認（.minecraft/）
+settings.advanced.game_dir.independent=各版本獨立（.minecraft/versions/<版本名>/，除 assets、libraries）
+settings.advanced.java_args_default=啓動器默認添加的參數（請不要重複添加）：-XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -XX:MaxPermSize=???m -Xmx???m -Dfml.ignoreInvalidMinecraftCertificates=true -Dfml.ignorePatchDiscrepancies=true
+settings.advanced.java_permanent_generation_space=內存永久保存區域（不必填寫，MB）
+settings.advanced.jvm_args=Java 虛擬機參數（不必填寫）
+settings.advanced.launcher_visibility.close=遊戲啓動後結束啓動器
+settings.advanced.launcher_visibility.hide=遊戲啓動後隱藏啓動器
+settings.advanced.launcher_visibility.hide_reopen=隱藏啓動器並在遊戲結束後重新打開
+settings.advanced.launcher_visibility.keep=保持啓動器可見
+settings.advanced.launcher_visible=啓動器可見性
+settings.advanced.minecraft_arguments=Minecraft 額外參數（不必填寫）
+settings.advanced.no_common=不使用公共路徑
+settings.advanced.no_jvm_args=不添加默認的 JVM 參數（使用 Java 9 時必勾）
+settings.advanced.precall_command=啓動前執行命令（不必填寫，將在遊戲啓動前調用）
+settings.advanced.server_ip=直入服務器 IP 地址（不必填寫，啓動遊戲後直接進入對應服務器）
+settings.advanced.wrapper_launcher=前置指令（不必填寫，如 optirun）
+
+settings.custom=自定義
+
+settings.game=遊戲設置
+settings.game.dimension=遊戲窗口分辨率
+settings.game.exploration=瀏覽
+settings.game.fullscreen=全屏
+settings.game.game_directory=遊戲路徑（版本隔離）
+settings.game.game_directory.choose=選擇遊戲路徑
+settings.game.java_directory=Java 路徑
+settings.game.java_directory.choose=選擇 Java 路徑
+settings.game.management=管理
+
+settings.icon=遊戲圖標
+
+settings.launcher=啓動器設置
+settings.launcher.common_path.tooltip=啓動器將所有遊戲資源及依賴庫文件放於此集中管理，如果遊戲文件夾內有現成的將不會使用公共庫文件
+settings.launcher.download_source=下載源
+settings.launcher.language=語言
+settings.launcher.log_font=日誌字體
+settings.launcher.proxy=代理
+settings.launcher.proxy.authentication=代理賬戶
+settings.launcher.proxy.no_proxy=直連
+settings.launcher.proxy.has_proxy=啓用驗證
+settings.launcher.proxy.host=主機
+settings.launcher.proxy.http=HTTP
+settings.launcher.proxy.password=密碼
+settings.launcher.proxy.port=端口
+settings.launcher.proxy.socks=Socks
+settings.launcher.proxy.username=賬戶
+settings.launcher.theme=主題
+
+settings.max_memory=最大內存（MB）
+settings.physical_memory=物理內存大小
+settings.show_log=查看日誌
+settings.tabs.installers=自動安裝
+settings.type.global=全局版本設置（使用該設置的版本共用一套設定）
+settings.type=版本設置類型
+settings.type.special=單獨版本設置（不會影響到其他版本的設定）
+
+update=啓動器更新
+update.failed=檢查更新失敗
+update.found=發現更新
+update.newest_version=最新版本爲：%s
+update.latest=當前版本爲最新版本
+update.no_browser=無法打開瀏覽器，網址已經複製到剪貼板了，您可以手動粘貼網址打開頁面
+update.tooltip=更新
+
+version.cannot_read=讀取遊戲版本失敗，無法進行自動安裝
+version.forbidden_name=此版本名稱不受支持，請換一個名字
+version.game.old=遠古版
+version.game.release=穩定版
+version.game.snapshot=測試版
+version.launch=啓動遊戲
+version.launch_script=生成啓動腳本
+version.launch_script.failed=生成啓動腳本失敗
+version.launch_script.save=保存啓動腳本
+version.launch_script.success=啓動腳本已生成完畢：%s
+version.manage.redownload_assets_index=重新下載資源配置（assets_index.json）
+version.manage.remove=刪除該版本
+version.manage.remove.confirm=真的要刪除版本 %s 嗎？
+version.manage.remove_libraries=刪除所有庫文件
+version.manage.rename=重命名該版本
+version.manage.rename.message=請輸入要改成的名字
+version.settings=遊戲設置
+version.update=更新
+
+wizard.prev=< 上一步
+wizard.failed=失敗
+wizard.finish=完成
+wizard.next=下一步 >

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -38,7 +38,7 @@ account.failed.connect_authentication_server=无法连接认证服务器,可能
 account.failed.invalid_credentials=您的用户名或密码错误，或者登录次数过多被暂时禁止登录，请稍后再试
 account.failed.invalid_password=无效的密码
 account.failed.invalid_token=请尝试登出并重新输入密码登录
-account.failed.no_charactor=该帐号没有角色
+account.failed.no_character=该帐号没有角色
 account.failed.no_selected_server=未选择认证服务器
 account.failed.connect_injector_server=无法连接认证服务器，可能是网络故障或 URL 输入错误
 account.injector.add=添加认证服务器
@@ -99,6 +99,8 @@ folder.resourcepacks=资源包文件夹
 folder.saves=存档文件夹
 folder.screenshots=截图文件夹
 
+general.prompt.empty=（无）
+
 input.email=用户名必须是邮箱
 input.number=必须是数字
 input.not_empty=必填项
@@ -173,7 +175,7 @@ message.unknown=未知
 
 
 modpack=整合包
-modpack.choose=选择要导入的游戏整合包文件，如果您希望更新整合包，请输入要更新的版本名
+modpack.choose=选择要安装的游戏整合包文件
 modpack.desc=描述你要制作的整合包，比如整合包注意事项和更新记录，支持 Markdown（图片请用网络图）。
 modpack.enter_name=给游戏起个你喜欢的名字
 modpack.export=导出整合包
@@ -202,6 +204,7 @@ modpack.task.install.error=安装失败，可能是整合包格式不正确或
 modpack.task.install.will=将会安装整合包：
 modpack.type.curse=Curse
 modpack.type.curse.completion=下载 Curse 整合包相关文件
+modpack.type.curse.error=未能完成 Curse 整合包的下载，请多次重试或设置代理
 modpack.type.hmcl=HMCL
 modpack.type.multimc=MultiMC
 modpack.unsupported=该整合包不被支持。仅 HMCL、MultiMC、Curse 整合包受支持。

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java

@@ -47,10 +47,9 @@ public abstract class Account {
     /**
      * Login with stored credentials.
      *
-     * @throws ServerDisconnectException if an network error has occurred, in which case password login won't be tried.
-     * @throws AuthenticationException if an error has occurred. If it's not a {@link ServerDisconnectException}, password login will be tried.
+     * @throws CredentialExpiredException when the stored credentials has expired, in which case a password login will be performed
      */
-    public abstract AuthInfo logIn() throws ServerDisconnectException, AuthenticationException;
+    public abstract AuthInfo logIn() throws CredentialExpiredException, AuthenticationException;
 
     /**
      * Login with specified password.

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/CredentialExpiredException.java

@@ -1,7 +1,7 @@
 /*
  * Hello Minecraft! Launcher.
  * Copyright (C) 2018  huangyuhui <[email protected]>
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -18,8 +18,25 @@
 package org.jackhuang.hmcl.auth;
 
 /**
+ * Thrown when the stored credentials has expired.
+ * This exception indicates that a password login should be performed.
  *
- * @author huangyuhui
+ * @author yushijinhun
+ * @see Account#logIn()
  */
-public class InvalidTokenException extends AuthenticationException {
+public class CredentialExpiredException extends AuthenticationException {
+
+    public CredentialExpiredException() {}
+
+    public CredentialExpiredException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public CredentialExpiredException(String message) {
+        super(message);
+    }
+
+    public CredentialExpiredException(Throwable cause) {
+        super(cause);
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/InvalidCredentialsException.java

@@ -1,25 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <[email protected]>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.auth;
-
-/**
- * throws if wrong password or logging fails for too many times.
- * @author huangyuhui
- */
-public final class InvalidCredentialsException extends AuthenticationException {
-}

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/ServerResponseMalformedException.java

@@ -1,3 +1,20 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
 package org.jackhuang.hmcl.auth;
 
 public class ServerResponseMalformedException extends AuthenticationException {

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccount.java

@@ -31,19 +31,23 @@ import org.jackhuang.hmcl.util.NetworkUtils;
 
 import java.util.Base64;
 import java.util.Map;
+import java.util.Optional;
 import java.util.UUID;
-import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.logging.Level;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+import java.io.IOException;
 
 public class AuthlibInjectorAccount extends YggdrasilAccount {
-    private final AuthlibInjectorServer server;
-    private final ExceptionalSupplier<String, ?> injectorJarPath;
+    private AuthlibInjectorServer server;
+    private ExceptionalSupplier<AuthlibInjectorArtifactInfo, ? extends IOException> authlibInjectorDownloader;
 
-    protected AuthlibInjectorAccount(YggdrasilService service, AuthlibInjectorServer server, ExceptionalSupplier<String, ?> injectorJarPath, String username, UUID characterUUID, YggdrasilSession session) {
+    protected AuthlibInjectorAccount(YggdrasilService service, AuthlibInjectorServer server, ExceptionalSupplier<AuthlibInjectorArtifactInfo, ? extends IOException> authlibInjectorDownloader, String username, UUID characterUUID, YggdrasilSession session) {
         super(service, username, characterUUID, session);
 
-        this.injectorJarPath = injectorJarPath;
+        this.authlibInjectorDownloader = authlibInjectorDownloader;
         this.server = server;
     }
 
@@ -57,25 +61,42 @@ public class AuthlibInjectorAccount extends YggdrasilAccount {
         return inject(() -> super.logInWithPassword(password, selector));
     }
 
-    private AuthInfo inject(ExceptionalSupplier<AuthInfo, AuthenticationException> supplier) throws AuthenticationException {
-        // Authlib Injector recommends launchers to pre-fetch the server basic information before launched the game to save time.
-        GetTask getTask = new GetTask(NetworkUtils.toURL(server.getUrl()));
-        AtomicBoolean flag = new AtomicBoolean(true);
-        Thread thread = Lang.thread(() -> flag.set(getTask.test()));
+    private AuthInfo inject(ExceptionalSupplier<AuthInfo, AuthenticationException> loginAction) throws AuthenticationException {
+        // Pre-fetch metadata
+        GetTask metadataFetchTask = new GetTask(NetworkUtils.toURL(server.getUrl()));
+        Thread metadataFetchThread = Lang.thread(() -> {
+            try {
+                metadataFetchTask.run();
+            } catch (Exception e) {
+                LOG.log(Level.WARNING, "Failed to pre-fetch Yggdrasil metadata", e);
+            }
+        }, "Yggdrasil metadata fetch thread");
 
-        AuthInfo info = supplier.get();
+        // Update authlib-injector
+        AuthlibInjectorArtifactInfo artifact;
         try {
-            thread.join();
-
-            Arguments arguments = new Arguments().addJVMArguments("-javaagent:" + injectorJarPath.get() + "=" + server.getUrl());
-
-            if (flag.get())
-                arguments = arguments.addJVMArguments("-Dorg.to2mbn.authlibinjector.config.prefetched=" + new String(Base64.getEncoder().encode(getTask.getResult().getBytes()), UTF_8));
-
-            return info.withArguments(arguments);
-        } catch (Exception e) {
-            throw new AuthenticationException("Unable to get authlib injector jar path", e);
+            artifact = authlibInjectorDownloader.get();
+        } catch (IOException e) {
+            throw new AuthenticationException("Failed to download authlib-injector", e);
         }
+
+        // Perform authentication
+        AuthInfo info = loginAction.get();
+        Arguments arguments = new Arguments().addJVMArguments("-javaagent:" + artifact.getLocation().toString() + "=" + server.getUrl());
+
+        // Wait for metadata to be fetched
+        try {
+            metadataFetchThread.join();
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+        Optional<String> metadata = Optional.ofNullable(metadataFetchTask.getResult());
+        if (metadata.isPresent()) {
+            arguments = arguments.addJVMArguments(
+                    "-Dorg.to2mbn.authlibinjector.config.prefetched=" + Base64.getEncoder().encodeToString(metadata.get().getBytes(UTF_8)));
+        }
+
+        return info.withArguments(arguments);
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccountFactory.java

@@ -1,3 +1,20 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
 package org.jackhuang.hmcl.auth.authlibinjector;
 
 import org.jackhuang.hmcl.auth.AccountFactory;
@@ -7,6 +24,7 @@ import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilService;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilSession;
 import org.jackhuang.hmcl.util.ExceptionalSupplier;
 
+import java.io.IOException;
 import java.net.Proxy;
 import java.util.Map;
 import java.util.Objects;
@@ -15,14 +33,14 @@ import java.util.function.Function;
 import static org.jackhuang.hmcl.util.Lang.tryCast;
 
 public class AuthlibInjectorAccountFactory extends AccountFactory<AuthlibInjectorAccount> {
-    private final ExceptionalSupplier<String, ?> injectorJarPathSupplier;
+    private ExceptionalSupplier<AuthlibInjectorArtifactInfo, ? extends IOException> authlibInjectorDownloader;
     private Function<String, AuthlibInjectorServer> serverLookup;
 
     /**
      * @param serverLookup a function that looks up {@link AuthlibInjectorServer} by url
      */
-    public AuthlibInjectorAccountFactory(ExceptionalSupplier<String, ?> injectorJarPathSupplier, Function<String, AuthlibInjectorServer> serverLookup) {
-        this.injectorJarPathSupplier = injectorJarPathSupplier;
+    public AuthlibInjectorAccountFactory(ExceptionalSupplier<AuthlibInjectorArtifactInfo, ? extends IOException> authlibInjectorDownloader, Function<String, AuthlibInjectorServer> serverLookup) {
+        this.authlibInjectorDownloader = authlibInjectorDownloader;
         this.serverLookup = serverLookup;
     }
 
@@ -36,7 +54,7 @@ public class AuthlibInjectorAccountFactory extends AccountFactory<AuthlibInjecto
         AuthlibInjectorServer server = (AuthlibInjectorServer) additionalData;
 
         AuthlibInjectorAccount account = new AuthlibInjectorAccount(new YggdrasilService(new AuthlibInjectorProvider(server.getUrl()), proxy),
-                server, injectorJarPathSupplier, username, null, null);
+                server, authlibInjectorDownloader, username, null, null);
         account.logInWithPassword(password, selector);
         return account;
     }
@@ -56,6 +74,6 @@ public class AuthlibInjectorAccountFactory extends AccountFactory<AuthlibInjecto
         AuthlibInjectorServer server = serverLookup.apply(apiRoot);
 
         return new AuthlibInjectorAccount(new YggdrasilService(new AuthlibInjectorProvider(server.getUrl()), proxy),
-                server, injectorJarPathSupplier, username, session.getSelectedProfile().getId(), session);
+                server, authlibInjectorDownloader, username, session.getSelectedProfile().getId(), session);
     }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorArtifactInfo.java

@@ -0,0 +1,50 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.auth.authlibinjector;
+
+import java.nio.file.Path;
+
+public class AuthlibInjectorArtifactInfo {
+
+    private int buildNumber;
+    private String version;
+    private Path location;
+
+    public AuthlibInjectorArtifactInfo(int buildNumber, String version, Path location) {
+        this.buildNumber = buildNumber;
+        this.version = version;
+        this.location = location;
+    }
+
+    public int getBuildNumber() {
+        return buildNumber;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public Path getLocation() {
+        return location;
+    }
+
+    @Override
+    public String toString() {
+        return "authlib-injector [buildNumber=" + buildNumber + ", version=" + version + "]";
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorBuildInfo.java

@@ -1,59 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <[email protected]>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.auth.authlibinjector;
-
-import com.google.gson.JsonParseException;
-import org.jackhuang.hmcl.util.Immutable;
-import org.jackhuang.hmcl.util.JsonUtils;
-import org.jackhuang.hmcl.util.NetworkUtils;
-
-import java.io.IOException;
-
-@Immutable
-public final class AuthlibInjectorBuildInfo {
-
-    private final int buildNumber;
-    private final String url;
-
-    public AuthlibInjectorBuildInfo() {
-        this(0, "");
-    }
-
-    public AuthlibInjectorBuildInfo(int buildNumber, String url) {
-        this.buildNumber = buildNumber;
-        this.url = url;
-    }
-
-    public int getBuildNumber() {
-        return buildNumber;
-    }
-
-    public String getUrl() {
-        return url;
-    }
-
-    public static AuthlibInjectorBuildInfo requestBuildInfo() throws IOException, JsonParseException {
-        return requestBuildInfo(UPDATE_URL);
-    }
-
-    public static AuthlibInjectorBuildInfo requestBuildInfo(String updateUrl) throws IOException, JsonParseException {
-        return JsonUtils.fromNonNullJson(NetworkUtils.doGet(NetworkUtils.toURL(updateUrl)), AuthlibInjectorBuildInfo.class);
-    }
-
-    public static final String UPDATE_URL = "https://authlib-injector.to2mbn.org/api/buildInfo";
-}

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorDownloader.java

@@ -0,0 +1,158 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.auth.authlibinjector;
+
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+import java.io.IOException;
+import java.net.Proxy;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Map;
+import java.util.Optional;
+import java.util.function.Supplier;
+import java.util.jar.Attributes;
+import java.util.jar.JarFile;
+import java.util.logging.Level;
+
+import org.jackhuang.hmcl.download.DownloadProvider;
+import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
+import org.jackhuang.hmcl.util.JsonUtils;
+import org.jackhuang.hmcl.util.NetworkUtils;
+
+import com.google.gson.JsonParseException;
+import com.google.gson.annotations.SerializedName;
+
+public class AuthlibInjectorDownloader {
+
+    private static final String LATEST_BUILD_URL = "https://authlib-injector.yushi.moe/artifact/latest.json";
+
+    private Path artifactLocation;
+    private Supplier<DownloadProvider> downloadProvider;
+
+    /**
+     * @param artifactsDirectory where to save authlib-injector artifacts
+     */
+    public AuthlibInjectorDownloader(Path artifactsDirectory, Supplier<DownloadProvider> downloadProvider) {
+        this.artifactLocation = artifactsDirectory.resolve("authlib-injector.jar");
+        this.downloadProvider = downloadProvider;
+    }
+
+    public AuthlibInjectorArtifactInfo getArtifactInfo() throws IOException {
+        synchronized (artifactLocation) {
+            Optional<AuthlibInjectorArtifactInfo> local = getLocalArtifact();
+
+            try {
+                update(local);
+            } catch (IOException e) {
+                LOG.log(Level.WARNING, "Failed to download authlib-injector", e);
+                if (!local.isPresent()) {
+                    throw e;
+                }
+                LOG.warning("Fallback to use cached artifact: " + local.get());
+            }
+
+            return getLocalArtifact().orElseThrow(() -> new IOException("The updated authlib-inejector cannot be recognized"));
+        }
+    }
+
+    private void update(Optional<AuthlibInjectorArtifactInfo> local) throws IOException {
+        AuthlibInjectorVersionInfo latest = getLatestArtifactInfo();
+
+        if (local.isPresent() && local.get().getBuildNumber() >= latest.buildNumber) {
+            return;
+        }
+
+        try {
+            new FileDownloadTask(new URL(downloadProvider.get().injectURL(latest.downloadUrl)), artifactLocation.toFile(), Proxy.NO_PROXY,
+                    Optional.ofNullable(latest.checksums.get("sha256"))
+                            .map(checksum -> new IntegrityCheck("SHA-256", checksum))
+                            .orElse(null))
+                                    .run();
+        } catch (Exception e) {
+            throw new IOException("Failed to download authlib-injector", e);
+        }
+
+        LOG.info("Updated authlib-injector to " + latest.version);
+    }
+
+    private AuthlibInjectorVersionInfo getLatestArtifactInfo() throws IOException {
+        try {
+            return JsonUtils.fromNonNullJson(
+                    NetworkUtils.doGet(
+                            new URL(downloadProvider.get().injectURL(LATEST_BUILD_URL))),
+                    AuthlibInjectorVersionInfo.class);
+        } catch (JsonParseException e) {
+            throw new IOException("Malformed response", e);
+        }
+    }
+
+    private Optional<AuthlibInjectorArtifactInfo> getLocalArtifact() {
+        if (!Files.isRegularFile(artifactLocation)) {
+            return Optional.empty();
+        }
+        try {
+            return Optional.of(readArtifactInfo(artifactLocation));
+        } catch (IOException e) {
+            LOG.log(Level.WARNING, "Bad authlib-injector artifact", e);
+            return Optional.empty();
+        }
+    }
+
+    private static AuthlibInjectorArtifactInfo readArtifactInfo(Path location) throws IOException {
+        try (JarFile jarFile = new JarFile(location.toFile())) {
+            Attributes attributes = jarFile.getManifest().getMainAttributes();
+
+            String title = Optional.ofNullable(attributes.getValue("Implementation-Title"))
+                    .orElseThrow(() -> new IOException("Missing Implementation-Title"));
+            if (!"authlib-injector".equals(title)) {
+                throw new IOException("Bad Implementation-Title");
+            }
+
+            String version = Optional.ofNullable(attributes.getValue("Implementation-Version"))
+                    .orElseThrow(() -> new IOException("Missing Implementation-Version"));
+
+            int buildNumber;
+            try {
+                buildNumber = Optional.ofNullable(attributes.getValue("Build-Number"))
+                        .map(Integer::parseInt)
+                        .orElseThrow(() -> new IOException("Missing Build-Number"));
+            } catch (NumberFormatException e) {
+                throw new IOException("Bad Build-Number", e);
+            }
+            return new AuthlibInjectorArtifactInfo(buildNumber, version, location.toAbsolutePath());
+        }
+    }
+
+    private class AuthlibInjectorVersionInfo {
+        @SerializedName("build_number")
+        public int buildNumber;
+
+        @SerializedName("version")
+        public String version;
+
+        @SerializedName("download_url")
+        public String downloadUrl;
+
+        @SerializedName("checksums")
+        public Map<String, String> checksums;
+    }
+
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorProvider.java

@@ -1,3 +1,20 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
 package org.jackhuang.hmcl.auth.authlibinjector;
 
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilProvider;

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java

@@ -66,40 +66,54 @@ public class YggdrasilAccount extends Account {
     @Override
     public AuthInfo logIn() throws AuthenticationException {
         if (!canPlayOnline()) {
-            logInWithToken();
-            selectProfile(new SpecificCharacterSelector(characterUUID));
+            if (service.validate(session.getAccessToken(), session.getClientToken())) {
+                isOnline = true;
+            } else {
+                try {
+                    updateSession(service.refresh(session.getAccessToken(), session.getClientToken(), null), new SpecificCharacterSelector(characterUUID));
+                } catch (RemoteAuthenticationException e) {
+                    if ("ForbiddenOperationException".equals(e.getRemoteName())) {
+                        throw new CredentialExpiredException(e);
+                    } else {
+                        throw e;
+                    }
+                }
+            }
         }
         return session.toAuthInfo();
     }
 
     @Override
-    public final AuthInfo logInWithPassword(String password) throws AuthenticationException {
+    public AuthInfo logInWithPassword(String password) throws AuthenticationException {
         return logInWithPassword(password, new SpecificCharacterSelector(characterUUID));
     }
 
     protected AuthInfo logInWithPassword(String password, CharacterSelector selector) throws AuthenticationException {
-        session = service.authenticate(username, password, UUIDTypeAdapter.fromUUID(UUID.randomUUID()));
-        selectProfile(selector);
+        updateSession(service.authenticate(username, password, UUIDTypeAdapter.fromUUID(UUID.randomUUID())), selector);
         return session.toAuthInfo();
     }
 
-    private void selectProfile(CharacterSelector selector) throws AuthenticationException {
-        if (session.getSelectedProfile() == null) {
-            if (session.getAvailableProfiles() == null || session.getAvailableProfiles().length <= 0)
+    /**
+     * Updates the current session. This method shall be invoked after authenticate/refresh operation.
+     * {@link #session} field shall be set only using this method. This method ensures {@link #session}
+     * has a profile selected.
+     *
+     * @param acquiredSession the session acquired by making an authenticate/refresh request
+     */
+    private void updateSession(YggdrasilSession acquiredSession, CharacterSelector selector) throws AuthenticationException {
+        if (acquiredSession.getSelectedProfile() == null) {
+            if (acquiredSession.getAvailableProfiles() == null || acquiredSession.getAvailableProfiles().length == 0)
                 throw new NoCharacterException(this);
 
-            session = service.refresh(session.getAccessToken(), session.getClientToken(), selector.select(this, Arrays.asList(session.getAvailableProfiles())));
+            this.session = service.refresh(
+                    acquiredSession.getAccessToken(),
+                    acquiredSession.getClientToken(),
+                    selector.select(this, Arrays.asList(acquiredSession.getAvailableProfiles())));
+        } else {
+            this.session = acquiredSession;
         }
 
-        characterUUID = session.getSelectedProfile().getId();
-    }
-
-    private void logInWithToken() throws AuthenticationException {
-        if (service.validate(session.getAccessToken(), session.getClientToken())) {
-            isOnline = true;
-            return;
-        }
-        session = service.refresh(session.getAccessToken(), session.getClientToken(), null);
+        this.characterUUID = this.session.getSelectedProfile().getId();
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilService.java

@@ -83,8 +83,11 @@ public class YggdrasilService {
         try {
             requireEmpty(request(provider.getValidationURL(), createRequestWithCredentials(accessToken, clientToken)));
             return true;
-        } catch (InvalidCredentialsException | InvalidTokenException e) {
-            return false;
+        } catch (RemoteAuthenticationException e) {
+            if ("ForbiddenOperationException".equals(e.getRemoteName())) {
+                return false;
+            }
+            throw e;
         }
     }
 
@@ -145,17 +148,6 @@ public class YggdrasilService {
 
     private static void handleErrorMessage(ErrorResponse response) throws AuthenticationException {
         if (!StringUtils.isBlank(response.error)) {
-            if (response.errorMessage != null && "ForbiddenOperationException".equals(response.error)) {
-                if (response.errorMessage.contains("Invalid credentials"))
-                    throw new InvalidCredentialsException();
-
-                else if (response.errorMessage.contains("Invalid token"))
-                    throw new InvalidTokenException();
-
-                else if (response.errorMessage.contains("Invalid username or password"))
-                    throw new InvalidPasswordException();
-            }
-
             throw new RemoteAuthenticationException(response.error, response.errorMessage, response.cause);
         }
     }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetDownloadTask.java

@@ -21,6 +21,7 @@ import org.jackhuang.hmcl.download.AbstractDependencyManager;
 import org.jackhuang.hmcl.game.AssetObject;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
@@ -106,7 +107,7 @@ public final class GameAssetDownloadTask extends Task {
                 flag = !file.exists();
             }
             if (flag) {
-                FileDownloadTask task = new FileDownloadTask(NetworkUtils.toURL(url), file, dependencyManager.getProxy(), assetObject.getHash());
+                FileDownloadTask task = new FileDownloadTask(NetworkUtils.toURL(url), file, dependencyManager.getProxy(), new IntegrityCheck("SHA-1", assetObject.getHash()));
                 task.setName(assetObject.getHash());
                 dependencies.add(task);
             }

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameDownloadTask.java

@@ -20,6 +20,7 @@ package org.jackhuang.hmcl.download.game;
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.NetworkUtils;
 
@@ -56,7 +57,7 @@ public final class GameDownloadTask extends Task {
                 NetworkUtils.toURL(dependencyManager.getDownloadProvider().injectURL(version.getDownloadInfo().getUrl())),
                 jar,
                 dependencyManager.getProxy(),
-                version.getDownloadInfo().getSha1()
+                new IntegrityCheck("SHA-1", version.getDownloadInfo().getSha1())
         ));
     }
     

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibraryDownloadTask.java

@@ -4,6 +4,7 @@ import org.apache.commons.compress.compressors.xz.XZCompressorInputStream;
 import org.jackhuang.hmcl.download.AbstractDependencyManager;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.IOUtils;
@@ -48,7 +49,7 @@ public final class LibraryDownloadTask extends Task {
         setSignificance(TaskSignificance.MODERATE);
 
         task = new FileDownloadTask(NetworkUtils.toURL(url),
-                file, dependencyManager.getProxy(), library.getDownload().getSha1());
+                file, dependencyManager.getProxy(), new IntegrityCheck("SHA-1", library.getDownload().getSha1()));
     }
 
     @Override

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseCompletionException.java

@@ -1,6 +1,6 @@
 /*
  * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <[email protected]>
+ * Copyright (C) 2017  huangyuhui <[email protected]>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,10 +15,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see {http://www.gnu.org/licenses/}.
  */
-package org.jackhuang.hmcl.auth;
+package org.jackhuang.hmcl.mod;
 
-/**
- * throws if wrong password.
- */
-public class InvalidPasswordException extends AuthenticationException {
+public class CurseCompletionException extends Exception {
+    public CurseCompletionException() {
+    }
+
+    public CurseCompletionException(String message) {
+        super(message);
+    }
+
+    public CurseCompletionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public CurseCompletionException(Throwable cause) {
+        super(cause);
+    }
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseCompletionTask.java

@@ -24,9 +24,11 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.*;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
@@ -49,7 +51,7 @@ public final class CurseCompletionTask extends Task {
      * Constructor.
      *
      * @param dependencyManager the dependency manager.
-     * @param version the existent and physical version.
+     * @param version           the existent and physical version.
      */
     public CurseCompletionTask(DefaultDependencyManager dependencyManager, String version) {
         this(dependencyManager, version, null);
@@ -59,8 +61,8 @@ public final class CurseCompletionTask extends Task {
      * Constructor.
      *
      * @param dependencyManager the dependency manager.
-     * @param version the existent and physical version.
-     * @param manifest the CurseForgeModpack manifest.
+     * @param version           the existent and physical version.
+     * @param manifest          the CurseForgeModpack manifest.
      */
     public CurseCompletionTask(DefaultDependencyManager dependencyManager, String version, CurseManifest manifest) {
         this.dependencyManager = dependencyManager;
@@ -96,6 +98,7 @@ public final class CurseCompletionTask extends Task {
         File root = repository.getVersionRoot(version);
         File run = repository.getRunDirectory(version);
 
+        AtomicBoolean flag = new AtomicBoolean(true);
         AtomicInteger finished = new AtomicInteger(0);
 
         // Because in China, Curse is too difficult to visit,
@@ -104,14 +107,32 @@ public final class CurseCompletionTask extends Task {
                 manifest.getFiles().parallelStream()
                         .map(file -> {
                             updateProgress(finished.incrementAndGet(), manifest.getFiles().size());
-                            return Lang.ignoringException(() -> file.setFileName(NetworkUtils.detectFileName(file.getUrl(), dependencyManager.getProxy())), file);
+                            if (StringUtils.isBlank(file.getFileName())) {
+                                try {
+                                    return file.withFileName(NetworkUtils.detectFileName(file.getUrl(), dependencyManager.getProxy()));
+                                } catch (IOException ioe) {
+                                    Logging.LOG.log(Level.WARNING, "Unable to fetch the file name of URL: " + file.getUrl(), ioe);
+                                    flag.set(false);
+                                    return file;
+                                }
+                            } else
+                                return file;
                         })
                         .collect(Collectors.toList()));
         FileUtils.writeText(new File(root, "manifest.json"), Constants.GSON.toJson(newManifest));
 
         for (CurseManifestFile file : newManifest.getFiles())
-            if (StringUtils.isNotBlank(file.getFileName()))
-                dependencies.add(new FileDownloadTask(file.getUrl(), new File(run, "mods/" + file.getFileName()), dependencyManager.getProxy()));
+            if (StringUtils.isNotBlank(file.getFileName())) {
+                File dest = new File(run, "mods/" + file.getFileName());
+                if (!dest.exists())
+                    dependencies.add(new FileDownloadTask(file.getUrl(), dest, dependencyManager.getProxy()));
+            }
+
+        // Let this task fail if the curse manifest has not been completed.
+        if (!flag.get())
+            dependencies.add(Task.of(() -> {
+                throw new CurseCompletionException();
+            }));
     }
 
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/CurseManifestFile.java

@@ -82,7 +82,7 @@ public final class CurseManifestFile implements Validation {
         return NetworkUtils.toURL("https://minecraft.curseforge.com/projects/" + projectID + "/files/" + fileID + "/download");
     }
     
-    public CurseManifestFile setFileName(String fileName) {
+    public CurseManifestFile withFileName(String fileName) {
         return new CurseManifestFile(projectID, fileID, fileName, required);
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java

@@ -19,6 +19,7 @@ package org.jackhuang.hmcl.task;
 
 import org.jackhuang.hmcl.event.EventManager;
 import org.jackhuang.hmcl.event.FailedEvent;
+import org.jackhuang.hmcl.util.ChecksumMismatchException;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.IOUtils;
 import org.jackhuang.hmcl.util.Logging;
@@ -35,6 +36,7 @@ import java.net.URL;
 import java.security.MessageDigest;
 import java.util.logging.Level;
 
+import static java.util.Objects.requireNonNull;
 import static org.jackhuang.hmcl.util.DigestUtils.getDigest;
 
 /**
@@ -44,9 +46,38 @@ import static org.jackhuang.hmcl.util.DigestUtils.getDigest;
  */
 public class FileDownloadTask extends Task {
 
+    public static class IntegrityCheck {
+        private String algorithm;
+        private String checksum;
+
+        public IntegrityCheck(String algorithm, String checksum) {
+            this.algorithm = requireNonNull(algorithm);
+            this.checksum = requireNonNull(checksum);
+        }
+
+        public String getAlgorithm() {
+            return algorithm;
+        }
+
+        public String getChecksum() {
+            return checksum;
+        }
+
+        public MessageDigest createDigest() {
+            return getDigest(algorithm);
+        }
+
+        public void performCheck(MessageDigest digest) throws ChecksumMismatchException {
+            String actualChecksum = String.format("%1$040x", new BigInteger(1, digest.digest()));
+            if (!checksum.equalsIgnoreCase(actualChecksum)) {
+                throw new ChecksumMismatchException(algorithm, checksum, actualChecksum);
+            }
+        }
+    }
+
     private final URL url;
     private final File file;
-    private final String hash;
+    private final IntegrityCheck integrityCheck;
     private final int retry;
     private final Proxy proxy;
     private final EventManager<FailedEvent<URL>> onFailed = new EventManager<>();
@@ -74,23 +105,23 @@ public class FileDownloadTask extends Task {
      * @param url the URL of remote file.
      * @param file the location that download to.
      * @param proxy the proxy.
-     * @param hash the SHA-1 hash code of remote file, null if the hash is unknown or it is no need to check the hash code.
+     * @param integrityCheck the integrity check to perform, null if no integrity check is to be performed
      */
-    public FileDownloadTask(URL url, File file, Proxy proxy, String hash) {
-        this(url, file, proxy, hash, 5);
+    public FileDownloadTask(URL url, File file, Proxy proxy, IntegrityCheck integrityCheck) {
+        this(url, file, proxy, integrityCheck, 5);
     }
 
     /**
      * @param url the URL of remote file.
      * @param file the location that download to.
-     * @param hash the SHA-1 hash code of remote file, null if the hash is unknown or it is no need to check the hash code.
+     * @param integrityCheck the integrity check to perform, null if no integrity check is to be performed
      * @param retry the times for retrying if downloading fails.
      * @param proxy the proxy.
      */
-    public FileDownloadTask(URL url, File file, Proxy proxy, String hash, int retry) {
+    public FileDownloadTask(URL url, File file, Proxy proxy, IntegrityCheck integrityCheck, int retry) {
         this.url = url;
         this.file = file;
-        this.hash = hash;
+        this.integrityCheck = integrityCheck;
         this.retry = retry;
         this.proxy = proxy;
 
@@ -159,7 +190,7 @@ public class FileDownloadTask extends Task {
                 temp = FileUtils.createTempFile();
                 rFile = new RandomAccessFile(temp, "rw");
 
-                MessageDigest digest = getDigest("SHA-1");
+                MessageDigest digest = integrityCheck == null ? null : integrityCheck.createDigest();
 
                 stream = con.getInputStream();
                 int lastDownloaded = 0, downloaded = 0;
@@ -175,8 +206,9 @@ public class FileDownloadTask extends Task {
                     if (read == -1)
                         break;
 
-                    if (hash != null)
+                    if (digest != null) {
                         digest.update(buffer, 0, read);
+                    }
 
                     // Write buffer to file.
                     rFile.write(buffer, 0, read);
@@ -214,11 +246,9 @@ public class FileDownloadTask extends Task {
                 if (downloaded != contentLength)
                     throw new IllegalStateException("Unexpected file size: " + downloaded + ", expected: " + contentLength);
 
-                // Check hash code
-                if (hash != null) {
-                    String hashCode = String.format("%1$040x", new BigInteger(1, digest.digest()));
-                    if (!hash.equalsIgnoreCase(hashCode))
-                        throw new IllegalStateException("Unexpected hash code: " + hashCode + ", expected: " + hash);
+                // Integrity check
+                if (integrityCheck != null) {
+                    integrityCheck.performCheck(digest);
                 }
 
                 return;

HMCLCore/src/main/java/org/jackhuang/hmcl/task/Task.java

@@ -29,6 +29,7 @@ import java.util.Collections;
 import java.util.concurrent.Callable;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
+import java.util.logging.Level;
 
 /**
  * Disposable task.
@@ -185,6 +186,9 @@ public abstract class Task {
     }
 
     public final void run() throws Exception {
+        if (getSignificance().shouldLog())
+            Logging.LOG.log(Level.FINE, "Executing task: " + getName());
+
         for (Task task : getDependents())
             doSubTask(task);
         execute();

HMCLCore/src/main/java/org/jackhuang/hmcl/util/ChecksumMismatchException.java

@@ -0,0 +1,46 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.util;
+
+import java.io.IOException;
+
+public class ChecksumMismatchException extends IOException {
+
+    private String algorithm;
+    private String expectedChecksum;
+    private String actualChecksum;
+
+    public ChecksumMismatchException(String algorithm, String expectedChecksum, String actualChecksum) {
+        super("Incorrect checksum (" + algorithm + "), expected: " + expectedChecksum + ", actual: " + actualChecksum);
+        this.algorithm = algorithm;
+        this.expectedChecksum = expectedChecksum;
+        this.actualChecksum = actualChecksum;
+    }
+
+    public String getAlgorithm() {
+        return algorithm;
+    }
+
+    public String getExpectedChecksum() {
+        return expectedChecksum;
+    }
+
+    public String getActualChecksum() {
+        return actualChecksum;
+    }
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/util/NetworkUtils.java

@@ -20,10 +20,8 @@ package org.jackhuang.hmcl.util;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
-import java.net.Proxy;
-import java.net.URL;
+import java.net.*;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 import java.util.Objects;
 import java.util.function.Supplier;
@@ -138,9 +136,9 @@ public final class NetworkUtils {
         String disposition = conn.getHeaderField("Content-Disposition");
         if (disposition == null || !disposition.contains("filename=")) {
             String u = conn.getURL().toString();
-            return substringAfterLast(u, '/');
+            return Lang.invoke(() -> URLDecoder.decode(substringAfterLast(u, '/'), StandardCharsets.UTF_8.name()));
         } else
-            return removeSurrounding(substringAfter(disposition, "filename="), "\"");
+            return Lang.invoke(() -> URLDecoder.decode(removeSurrounding(substringAfter(disposition, "filename="), "\""), StandardCharsets.UTF_8.name()));
     }
 
     public static URL toURL(String str) {

README.md

@@ -1,4 +1,4 @@
-# Hello Minecraft! Launcher [![Build Status](https://travis-ci.org/huanghongxun/HMCL.svg?branch=master)](https://travis-ci.org/huanghongxun/HMCL)
+# Hello Minecraft! Launcher [![Build Status](https://ci.huangyuhui.net/job/HMCL/badge/icon?.svg)](https://ci.huangyuhui.net/job/HMCL)
 GPL v3, see http://www.gnu.org/licenses/gpl.html
 
 ## Introduction