init

app/auth/utils.py

@@ -0,0 +1,29 @@
+from datetime import datetime, timedelta, timezone
+
+import bcrypt
+import jwt
+
+from app.config import settings
+
+
+def hash_password(password: str) -> str:
+    return bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return bcrypt.checkpw(plain_password.encode(), hashed_password.encode())
+
+
+def create_access_token(data: dict) -> str:
+    to_encode = data.copy()
+    expire = datetime.now(timezone.utc) + timedelta(minutes=settings.access_token_expire_minutes)
+    to_encode.update({"exp": expire})
+    return jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)
+
+
+def decode_access_token(token: str) -> dict | None:
+    """Декодирует JWT-токен. Возвращает payload или None при ошибке."""
+    try:
+        return jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
+    except jwt.PyJWTError:
+        return None