Старт

2025-12-04 12:20:47 +03:00
commit ff9301eddb
79 changed files with 4655 additions and 0 deletions
@@ -0,0 +1,116 @@
+package shine.db.dao;
+
+import shine.db.SqliteDbController;
+import shine.db.entities.ActiveSession;
+
+import java.sql.*;
+
+/** Здесь мы хрним данные об активных сессиях пользователя (для wss соединений) */
+
+public final class ActiveSessionsDAO {
+
+    private static volatile ActiveSessionsDAO instance;
+    private final SqliteDbController db = SqliteDbController.getInstance();
+
+    private ActiveSessionsDAO() {
+    }
+
+    public static ActiveSessionsDAO getInstance() {
+        if (instance == null) {
+            synchronized (ActiveSessionsDAO.class) {
+                if (instance == null) {
+                    instance = new ActiveSessionsDAO();
+                }
+            }
+        }
+        return instance;
+    }
+
+    public void insert(ActiveSession session) throws SQLException {
+        String sql = """
+            INSERT INTO active_sessions (
+                sessionId,
+                session_pwd,
+                loginId,
+                time_ms,
+                pubkey_num,
+                push_endpoint,
+                push_p256dh_key,
+                push_auth_key
+            ) VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+            """;
+
+        try (PreparedStatement ps = db.getConnection().prepareStatement(sql)) {
+            ps.setLong(1, session.getSessionId());
+            ps.setString(2, session.getSessionPwd());
+            ps.setLong(3, session.getLoginId());
+            ps.setLong(4, session.getTimeMs());
+            ps.setInt(5, session.getPubkeyNum());
+            ps.setString(6, session.getPushEndpoint());
+            ps.setString(7, session.getPushP256dhKey());
+            ps.setString(8, session.getPushAuthKey());
+            ps.executeUpdate();
+        }
+    }
+
+    public ActiveSession getBySessionId(long sessionId) throws SQLException {
+        String sql = """
+            SELECT
+                sessionId,
+                session_pwd,
+                loginId,
+                time_ms,
+                pubkey_num,
+                push_endpoint,
+                push_p256dh_key,
+                push_auth_key
+            FROM active_sessions
+            WHERE sessionId = ?
+            """;
+
+        try (PreparedStatement ps = db.getConnection().prepareStatement(sql)) {
+            ps.setLong(1, sessionId);
+            try (ResultSet rs = ps.executeQuery()) {
+                if (!rs.next()) {
+                    return null;
+                }
+                return mapRow(rs);
+            }
+        }
+    }
+
+    /**
+     * Удаление записи по sessionId.
+     * Если записи нет — просто ничего не удалит (0 строк).
+     */
+    public void deleteBySessionId(long sessionId) throws SQLException {
+        String sql = "DELETE FROM active_sessions WHERE sessionId = ?";
+
+        try (PreparedStatement ps = db.getConnection().prepareStatement(sql)) {
+            ps.setLong(1, sessionId);
+            ps.executeUpdate();
+        }
+    }
+
+    private ActiveSession mapRow(ResultSet rs) throws SQLException {
+        long sessionId = rs.getLong("sessionId");
+        String sessionPwd = rs.getString("session_pwd");
+        long loginId = rs.getLong("loginId");
+        long timeMs = rs.getLong("time_ms");
+        short pubkeyNum = (short) rs.getInt("pubkey_num");
+        String pushEndpoint = rs.getString("push_endpoint");
+        String pushP256dhKey = rs.getString("push_p256dh_key");
+        String pushAuthKey = rs.getString("push_auth_key");
+
+        return new ActiveSession(
+                sessionId,
+                sessionPwd,
+                loginId,
+                timeMs,
+                pubkeyNum,
+                pushEndpoint,
+                pushP256dhKey,
+                pushAuthKey
+        );
+    }
+}