Finished

2026-02-11 23:22:20 +01:00
parent 9483c36a66
commit 64ce55ea7b
39 changed files with 2033 additions and 3089 deletions
--- a/frontend/utils/WebApp.java
+++ b/frontend/utils/WebApp.java
@@ -0,0 +1,113 @@
+package ins.frontend.utils;
+
+import dev.unlegitdqrk.unlegitlibrary.file.ConfigurationManager;
+import org.openautonomousconnection.webserver.utils.PasswordHasher;
+import org.openautonomousconnection.webserver.utils.Pbkdf2Sha256Hasher;
+
+import java.io.File;
+import java.io.IOException;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Objects;
+
+/**
+ * Application singleton holding DAO + password hasher.
+ */
+public final class WebApp {
+
+    private static volatile WebApp INSTANCE;
+    private static boolean isInit;
+    private static UserDao.DataSourceProvider dsp = null;
+    private final UserDao userDao;
+    private final RegistrarDao registrarDao;
+    private final PasswordHasher passwordHasher;
+
+    private WebApp(UserDao userDao, RegistrarDao registrarDao, PasswordHasher passwordHasher) {
+        this.userDao = Objects.requireNonNull(userDao, "userDao");
+        this.registrarDao = Objects.requireNonNull(registrarDao, "registrarDao");
+        this.passwordHasher = Objects.requireNonNull(passwordHasher, "passwordHasher");
+    }
+
+    /**
+     * Initializes the singleton (call once at server startup).
+     */
+    public static void init() {
+        if (isInit) return;
+
+        try {
+            if (!new File(new File(".").getParent(), "db.properties").exists()) {
+                new File(new File(".").getParent(), "db.properties").createNewFile();
+            }
+
+            ConfigurationManager config = new ConfigurationManager(new File(new File(".").getParent(), "db.properties"));
+            config.loadProperties();
+
+            if (!config.isSet("db.url")) {
+                config.set(
+                        "db.url",
+                        "jdbc:mariadb://localhost:3306/ins?useUnicode=true&characterEncoding=utf8"
+                );
+                config.saveProperties();
+            }
+
+            if (!config.isSet("db.user")) {
+                config.set("db.user", "username");
+                config.saveProperties();
+            }
+
+            if (!config.isSet("db.password")) {
+                config.set("db.password", "password");
+                config.saveProperties();
+            }
+
+            dsp = () -> {
+                try {
+                    isInit = true;
+
+                    return DriverManager.getConnection(config.getString("db.url"), config.getString("db.user"), config.getString("db.password"));
+                } catch (SQLException e) {
+                    throw new SQLException("Failed to open DB connection", e);
+                }
+            };
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to create config", e);
+        }
+        UserDao udao = new UserDao(dsp);
+        RegistrarDao rdao = new RegistrarDao(dsp);
+        PasswordHasher hasher = new Pbkdf2Sha256Hasher(150_000, 16, 32);
+
+        INSTANCE = new WebApp(udao, rdao, hasher);
+    }
+
+    /**
+     * Returns the initialized instance.
+     *
+     * @return app
+     */
+    public static WebApp get() {
+        WebApp v = INSTANCE;
+        if (v == null) throw new IllegalStateException("Oac2WebApp not initialized. Call Oac2WebApp.init(...) first.");
+        return v;
+    }
+
+    /**
+     * @return user DAO
+     */
+    public UserDao users() {
+        return userDao;
+    }
+
+    /**
+     * @return registrar DAO
+     */
+    public RegistrarDao dao() {
+        return registrarDao;
+    }
+
+    /**
+     * @return password hasher
+     */
+    public PasswordHasher passwordHasher() {
+        return passwordHasher;
+    }
+}