Files
izbi-dns/app/auth.py
T
2026-08-24 15:18:45 +02:00

74 lines
2.2 KiB
Python

import sqlite3
from hashlib import sha256
def init_db(path: str) -> None:
with sqlite3.connect(path) as connection:
cursor = connection.cursor()
cursor.execute('''
CREATE TABLE IF NOT EXISTS Tokens (
TKHASH TEXT PRIMARY KEY NOT NULL,
USERID INTEGER NOT NULL,
NAME TEXT NOT NULL
)
''')
cursor.execute('''
CREATE TABLE IF NOT EXISTS Domains (
DOMAIN TEXT PRIMARY KEY NOT NULL,
USERID INTEGER NOT NULL
)
''')
cursor.execute('''
CREATE TABLE IF NOT EXISTS Users (
USERID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
USERNAME TEXT NOT NULL UNIQUE,
PWHASH TEXT NOT NULL,
PWSALT TEXT NOT NULL,
EMAIL TEXT
IS_ADMIN INTEGER NOT NULL DEFAULT 0
)
''')
connection.commit()
cursor.close()
def check_token_domain(db_path: str, token: str, domain: str) -> bool:
with sqlite3.connect(db_path) as connection:
cursor = connection.cursor()
token_hash = sha256(token.encode('utf-8')).hexdigest()
cursor.execute('''
SELECT COUNT(*) FROM Tokens
JOIN Domains ON Tokens.userid = Domains.userid
WHERE tkhash = ?
AND domain = ?
''', (token_hash, domain))
return cursor.fetchone()[0] == 1
def user_login(db_path: str, username: str, password: str) -> bool:
with sqlite3.connect(db_path) as connection:
cursor = connection.cursor()
cursor.execute('''
SELECT pwsalt FROM Users
WHERE username = ?
''', (username,))
password_salt = cursor.fetchone()
if password_salt is None:
return False
password_salt = password_salt[0]
password_hash = sha256( (password_salt + password).encode('utf-8') ).hexdigest()
cursor.execute('''
SELECT COUNT(*) FROM Users
WHERE username = ?
AND pwhash = ?
''', (username, password_hash))
return cursor.fetchone()[0] == 1