Allow lifetime_seconds to be None to get session cookies

fastapi_users/authentication/cookie.py

@@ -30,7 +30,7 @@ class CookieAuthentication(BaseAuthentication[str]):
     scheme: APIKeyCookie
     token_audience: str = "fastapi-users:auth"
     secret: str
-    lifetime_seconds: int
+    lifetime_seconds: Optional[int]
     cookie_name: str
     cookie_path: str
     cookie_domain: Optional[str]
@@ -41,10 +41,10 @@ class CookieAuthentication(BaseAuthentication[str]):
     def __init__(
         self,
         secret: str,
-        lifetime_seconds: int,
+        lifetime_seconds: Optional[int] = None,
         cookie_name: str = "fastapiusersauth",
         cookie_path: str = "/",
-        cookie_domain: str = None,
+        cookie_domain: Optional[str] = None,
         cookie_secure: bool = True,
         cookie_httponly: bool = True,
         cookie_samesite: str = "lax",
@@ -112,4 +112,4 @@ class CookieAuthentication(BaseAuthentication[str]):
 
     async def _generate_token(self, user: BaseUserDB) -> str:
         data = {"user_id": str(user.id), "aud": self.token_audience}
-        return generate_jwt(data, self.lifetime_seconds, self.secret, JWT_ALGORITHM)
+        return generate_jwt(data, self.secret, self.lifetime_seconds, JWT_ALGORITHM)

fastapi_users/authentication/jwt.py

@@ -71,4 +71,4 @@ class JWTAuthentication(BaseAuthentication[str]):
 
     async def _generate_token(self, user: BaseUserDB) -> str:
         data = {"user_id": str(user.id), "aud": self.token_audience}
-        return generate_jwt(data, self.lifetime_seconds, self.secret, JWT_ALGORITHM)
+        return generate_jwt(data, self.secret, self.lifetime_seconds, JWT_ALGORITHM)

fastapi_users/router/oauth.py

@@ -19,7 +19,7 @@ def generate_state_token(
     data: Dict[str, str], secret: str, lifetime_seconds: int = 3600
 ) -> str:
     data["aud"] = STATE_TOKEN_AUDIENCE
-    return generate_jwt(data, lifetime_seconds, secret, JWT_ALGORITHM)
+    return generate_jwt(data, secret, lifetime_seconds, JWT_ALGORITHM)
 
 
 def decode_state_token(token: str, secret: str) -> Dict[str, str]:

fastapi_users/router/reset.py

@@ -33,8 +33,8 @@ def get_reset_password_router(
             token_data = {"user_id": str(user.id), "aud": RESET_PASSWORD_TOKEN_AUDIENCE}
             token = generate_jwt(
                 token_data,
-                reset_password_token_lifetime_seconds,
                 reset_password_token_secret,
+                reset_password_token_lifetime_seconds,
             )
             if after_forgot_password:
                 await run_handler(after_forgot_password, user, token, request)

fastapi_users/router/verify.py

@@ -49,8 +49,8 @@ def get_verify_router(
                 }
                 token = generate_jwt(
                     token_data,
-                    verification_token_lifetime_seconds,
                     verification_token_secret,
+                    verification_token_lifetime_seconds,
                 )
 
                 if after_verification_request:

fastapi_users/utils.py

@@ -1,4 +1,5 @@
 from datetime import datetime, timedelta
+from typing import Optional
 
 import jwt
 
@@ -6,9 +7,13 @@ JWT_ALGORITHM = "HS256"
 
 
 def generate_jwt(
-    data: dict, lifetime_seconds: int, secret: str, algorithm: str = JWT_ALGORITHM
+    data: dict,
+    secret: str,
+    lifetime_seconds: Optional[int] = None,
+    algorithm: str = JWT_ALGORITHM,
 ) -> str:
     payload = data.copy()
-    expire = datetime.utcnow() + timedelta(seconds=lifetime_seconds)
+    if lifetime_seconds:
-    payload["exp"] = expire
+        expire = datetime.utcnow() + timedelta(seconds=lifetime_seconds)
+        payload["exp"] = expire
     return jwt.encode(payload, secret, algorithm=algorithm)

tests/test_authentication_cookie.py

@@ -32,7 +32,7 @@ def token():
         data = {"aud": "fastapi-users:auth"}
         if user_id is not None:
             data["user_id"] = str(user_id)
-        return generate_jwt(data, lifetime, SECRET, JWT_ALGORITHM)
+        return generate_jwt(data, SECRET, lifetime, JWT_ALGORITHM)
 
     return _token
 

tests/test_authentication_jwt.py

@@ -21,7 +21,7 @@ def token():
         data = {"aud": "fastapi-users:auth"}
         if user_id is not None:
             data["user_id"] = str(user_id)
-        return generate_jwt(data, lifetime, SECRET, JWT_ALGORITHM)
+        return generate_jwt(data, SECRET, lifetime, JWT_ALGORITHM)
 
     return _token
 

tests/test_router_reset.py

@@ -21,7 +21,7 @@ def forgot_password_token():
         data = {"aud": "fastapi-users:reset"}
         if user_id is not None:
             data["user_id"] = str(user_id)
-        return generate_jwt(data, lifetime, SECRET, JWT_ALGORITHM)
+        return generate_jwt(data, SECRET, lifetime, JWT_ALGORITHM)
 
     return _forgot_password_token
 

tests/test_router_verify.py

@@ -25,7 +25,7 @@ def verify_token():
             data["user_id"] = str(user_id)
         if email is not None:
             data["email"] = email
-        return generate_jwt(data, lifetime, SECRET, JWT_ALGORITHM)
+        return generate_jwt(data, SECRET, lifetime, JWT_ALGORITHM)
 
     return _verify_token