Add check for token age (#217)

* Add check for token age

* Adjust tests

src/sfrbox_api/bridge.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+import time
 from functools import wraps
 from typing import Any
 from typing import Awaitable
@@ -58,6 +59,7 @@ class SFRBox:
     """SFR Box bridge."""
 
     _token: str | None = None
+    _token_time: float
     _username: str | None = None
     _password: str | None = None
 
@@ -74,8 +76,11 @@ async def authenticate(self, *, username: str = "admin", password: str) -> None:
         await self._ensure_token()
 
     async def _ensure_token(self) -> str:
-        if not self._token:
+        # La durée de validité du token semble être de 10 minutes.
+        # On met 5 minutes (300 secondes) pour éviter les surprises.
+        if not self._token or (time.time() - self._token_time) > 300:
             self._token = await self._get_token()
+            self._token_time = time.time()
         return self._token
 
     async def _get_token(self) -> str:

tests/test_bridge.py

@@ -1,6 +1,7 @@
 """Test cases for the __main__ module."""
 import pathlib
 import re
+import time
 
 import httpx
 import pytest
@@ -211,6 +212,7 @@ async def test_system_reboot() -> None:
     async with httpx.AsyncClient() as client:
         box = SFRBox(ip="192.168.0.1", client=client)
         box._token = "afd1baa4cb261bfc08ec2dc0ade3b4"  # noqa: S105
+        box._token_time = time.time()
         await box.system_reboot()
 
 
@@ -224,6 +226,7 @@ async def test_system_reboot_bad_auth() -> None:
     async with httpx.AsyncClient() as client:
         box = SFRBox(ip="192.168.0.1", client=client)
         box._token = "invalid_token"  # noqa: S105
+        box._token_time = time.time()
         with pytest.raises(
             SFRBoxAuthenticationError,
             match=re.escape("Api call failed: [115] Authentication needed"),
@@ -264,6 +267,7 @@ async def test_wlan_getclientlist() -> None:
     async with httpx.AsyncClient() as client:
         box = SFRBox(ip="192.168.0.1", client=client)
         box._token = "afd1baa4cb261bfc08ec2dc0ade3b4"  # noqa: S105
+        box._token_time = time.time()
         info = await box.wlan_get_client_list()
         assert info == WlanClientList(
             clients=[
@@ -283,6 +287,7 @@ async def test_wlan_getinfo() -> None:
     async with httpx.AsyncClient() as client:
         box = SFRBox(ip="192.168.0.1", client=client)
         box._token = "afd1baa4cb261bfc08ec2dc0ade3b4"  # noqa: S105
+        box._token_time = time.time()
         info = await box.wlan_get_info()
         assert info == WlanInfo(
             active="on",