first release

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/database.py

@@ -0,0 +1,72 @@
+import sqlite3
+import os
+from werkzeug.security import generate_password_hash
+
+DB_PATH = os.environ.get('DB_PATH', '/data/dyndns.db')
+
+
+def get_db():
+    conn = sqlite3.connect(DB_PATH)
+    conn.row_factory = sqlite3.Row
+    return conn
+
+
+def init_db():
+    db = get_db()
+    db.executescript('''
+        CREATE TABLE IF NOT EXISTS settings (
+            key   TEXT PRIMARY KEY,
+            value TEXT NOT NULL DEFAULT ''
+        );
+
+        CREATE TABLE IF NOT EXISTS admin_users (
+            id            INTEGER PRIMARY KEY AUTOINCREMENT,
+            username      TEXT UNIQUE NOT NULL,
+            password_hash TEXT NOT NULL
+        );
+
+        CREATE TABLE IF NOT EXISTS dyndns_users (
+            id            INTEGER PRIMARY KEY AUTOINCREMENT,
+            username      TEXT UNIQUE NOT NULL,
+            password_hash TEXT NOT NULL,
+            subdomain     TEXT UNIQUE NOT NULL,
+            current_ip    TEXT,
+            last_updated  TEXT,
+            active        INTEGER NOT NULL DEFAULT 1,
+            created_at    TEXT NOT NULL DEFAULT (datetime('now'))
+        );
+
+        CREATE TABLE IF NOT EXISTS update_log (
+            id              INTEGER PRIMARY KEY AUTOINCREMENT,
+            dyndns_user_id  INTEGER NOT NULL,
+            old_ip          TEXT,
+            new_ip          TEXT NOT NULL,
+            result          TEXT NOT NULL,
+            timestamp       TEXT NOT NULL DEFAULT (datetime('now')),
+            FOREIGN KEY (dyndns_user_id) REFERENCES dyndns_users(id)
+        );
+    ''')
+
+    existing = db.execute('SELECT id FROM admin_users LIMIT 1').fetchone()
+    if not existing:
+        db.execute(
+            'INSERT INTO admin_users (username, password_hash) VALUES (?, ?)',
+            ('admin', generate_password_hash('admin'))
+        )
+
+    db.commit()
+    db.close()
+
+
+def get_setting(key, default=''):
+    db = get_db()
+    row = db.execute('SELECT value FROM settings WHERE key = ?', (key,)).fetchone()
+    db.close()
+    return row['value'] if row else default
+
+
+def set_setting(key, value):
+    db = get_db()
+    db.execute('INSERT OR REPLACE INTO settings (key, value) VALUES (?, ?)', (key, value))
+    db.commit()
+    db.close()