Add web GUI, docs, scripts, and 5G router config
- Web app (Flask): status, config, firewall, logs, users, restart - Docs: AT commands, deploy, DNS, quickstart, web GUI - Scripts: connect, deploy, diag, healthcheck, modem-status, speedtest, status, troubleshoot - Init and iptables: 5g-router, 5g-webgui, rules.v4 - CHANGELOG, TODO, REVISION; config and README updates
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nearxos
232
web/db.py
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232
web/db.py
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"""
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Alpine 5G Web GUI – SQLite database.
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Tables: users, iptables_rules, static_routes.
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"""
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import sqlite3
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from contextlib import contextmanager
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from pathlib import Path
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from datetime import datetime
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DATA_DIR = Path(__file__).resolve().parent / "data"
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DB_PATH = DATA_DIR / "alpine5g.db"
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def _ensure_data_dir():
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DATA_DIR.mkdir(parents=True, exist_ok=True)
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def get_conn():
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_ensure_data_dir()
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conn = sqlite3.connect(DB_PATH)
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conn.row_factory = sqlite3.Row
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return conn
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@contextmanager
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def cursor():
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conn = get_conn()
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try:
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cur = conn.cursor()
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yield cur
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conn.commit()
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finally:
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conn.close()
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def init_db():
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"""Create tables if they don't exist."""
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_ensure_data_dir()
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with cursor() as cur:
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cur.execute("""
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CREATE TABLE IF NOT EXISTS users (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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username TEXT UNIQUE NOT NULL,
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password_hash TEXT NOT NULL,
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role TEXT NOT NULL CHECK(role IN ('admin', 'support')),
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created_at TEXT NOT NULL DEFAULT ''
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)
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""")
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cur.execute("""
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CREATE TABLE IF NOT EXISTS iptables_rules (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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table_name TEXT NOT NULL DEFAULT 'filter',
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rule_line TEXT NOT NULL,
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enabled INTEGER NOT NULL DEFAULT 1,
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order_idx INTEGER NOT NULL DEFAULT 0,
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created_at TEXT NOT NULL DEFAULT ''
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)
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""")
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cur.execute("""
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CREATE TABLE IF NOT EXISTS static_routes (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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destination TEXT NOT NULL,
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gateway TEXT,
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dev TEXT,
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metric INTEGER,
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enabled INTEGER NOT NULL DEFAULT 1,
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created_at TEXT NOT NULL DEFAULT ''
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)
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""")
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# ---- Users ----
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def user_get(username):
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with cursor() as cur:
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cur.execute("SELECT username, role FROM users WHERE username = ?", (username,))
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row = cur.fetchone()
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return dict(row) if row else None
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def user_verify(username, password_hash_check_fn):
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with cursor() as cur:
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cur.execute("SELECT username, password_hash, role FROM users WHERE username = ?", (username,))
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row = cur.fetchone()
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if not row:
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return None
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if not password_hash_check_fn(row["password_hash"]):
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return None
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return {"username": row["username"], "role": row["role"]}
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def user_list():
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with cursor() as cur:
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cur.execute("SELECT username, role FROM users ORDER BY username")
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return [dict(r) for r in cur.fetchall()]
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def user_add(username, password_hash, role):
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try:
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with cursor() as cur:
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cur.execute(
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"INSERT INTO users (username, password_hash, role, created_at) VALUES (?, ?, ?, ?)",
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(username, password_hash, role, datetime.utcnow().isoformat()),
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)
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return True, None
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except sqlite3.IntegrityError as e:
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if "UNIQUE" in str(e):
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return False, "User exists"
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return False, str(e)
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def user_set_password(username, password_hash):
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with cursor() as cur:
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cur.execute("UPDATE users SET password_hash = ? WHERE username = ?", (password_hash, username))
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return cur.rowcount > 0
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def user_delete(username):
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with cursor() as cur:
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cur.execute("DELETE FROM users WHERE username = ?", (username,))
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return cur.rowcount > 0
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# ---- iptables_rules ----
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def iptables_list():
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with cursor() as cur:
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cur.execute(
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"SELECT id, table_name, rule_line, enabled, order_idx, created_at FROM iptables_rules ORDER BY table_name, order_idx, id"
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)
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return [dict(r) for r in cur.fetchall()]
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def iptables_add(table_name, rule_line, enabled=1, order_idx=0):
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with cursor() as cur:
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cur.execute(
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"INSERT INTO iptables_rules (table_name, rule_line, enabled, order_idx, created_at) VALUES (?, ?, ?, ?, ?)",
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(table_name, rule_line, 1 if enabled else 0, order_idx, datetime.utcnow().isoformat()),
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)
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return cur.lastrowid
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def iptables_update(rule_id, table_name=None, rule_line=None, enabled=None, order_idx=None):
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with cursor() as cur:
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updates = []
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args = []
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if table_name is not None:
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updates.append("table_name = ?")
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args.append(table_name)
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if rule_line is not None:
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updates.append("rule_line = ?")
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args.append(rule_line)
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if enabled is not None:
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updates.append("enabled = ?")
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args.append(1 if enabled else 0)
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if order_idx is not None:
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updates.append("order_idx = ?")
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args.append(order_idx)
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if not updates:
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return False
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args.append(rule_id)
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cur.execute("UPDATE iptables_rules SET " + ", ".join(updates) + " WHERE id = ?", args)
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return cur.rowcount > 0
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def iptables_delete(rule_id):
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with cursor() as cur:
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cur.execute("DELETE FROM iptables_rules WHERE id = ?", (rule_id,))
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return cur.rowcount > 0
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def iptables_get(rule_id):
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with cursor() as cur:
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cur.execute("SELECT id, table_name, rule_line, enabled, order_idx, created_at FROM iptables_rules WHERE id = ?", (rule_id,))
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row = cur.fetchone()
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return dict(row) if row else None
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# ---- static_routes ----
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def routes_list():
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with cursor() as cur:
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cur.execute(
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"SELECT id, destination, gateway, dev, metric, enabled, created_at FROM static_routes ORDER BY id"
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)
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return [dict(r) for r in cur.fetchall()]
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def routes_add(destination, gateway=None, dev=None, metric=None, enabled=1):
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with cursor() as cur:
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cur.execute(
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"INSERT INTO static_routes (destination, gateway, dev, metric, enabled, created_at) VALUES (?, ?, ?, ?, ?, ?)",
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(destination, gateway or "", dev or "", metric, 1 if enabled else 0, datetime.utcnow().isoformat()),
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)
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return cur.lastrowid
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def routes_update(route_id, destination=None, gateway=None, dev=None, metric=None, enabled=None):
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with cursor() as cur:
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updates = []
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args = []
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if destination is not None:
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updates.append("destination = ?")
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args.append(destination)
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if gateway is not None:
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updates.append("gateway = ?")
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args.append(gateway)
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if dev is not None:
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updates.append("dev = ?")
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args.append(dev)
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if metric is not None:
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updates.append("metric = ?")
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args.append(metric)
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if enabled is not None:
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updates.append("enabled = ?")
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args.append(1 if enabled else 0)
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if not updates:
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return False
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args.append(route_id)
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cur.execute("UPDATE static_routes SET " + ", ".join(updates) + " WHERE id = ?", args)
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return cur.rowcount > 0
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def routes_delete(route_id):
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with cursor() as cur:
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cur.execute("DELETE FROM static_routes WHERE id = ?", (route_id,))
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return cur.rowcount > 0
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def routes_get(route_id):
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with cursor() as cur:
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cur.execute("SELECT id, destination, gateway, dev, metric, enabled, created_at FROM static_routes WHERE id = ?", (route_id,))
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row = cur.fetchone()
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return dict(row) if row else None
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