# Propagation improvement

* fixes documentation and variable names on oauth token revocation
* introduces private key for propagation
* changes key usage in decryption of propagated user data from oauth_client_id to private propagation key

api/models/token.py

@@ -155,15 +155,18 @@ class OAuthToken(UuidModel):
 
         return user
 
-    def revoke(self) -> (int, int):
-        """ Revokes the tokens of the user
+    def revoke(self) -> int:
+        """ Revokes the OAuth2 token of the user
+
+        (/o/revoke_token/ indeed removes the corresponding access token on provider side and invalidates the
+        submitted refresh token in one step)
 
         Returns:
-            revocation_status_codes (tuple): HTTP status code for revocation of access_token and refresh_token
+            revocation_status_code (int): HTTP status code for revocation of refresh_token
         """
         revoke_url = f"{SSO_SERVER_BASE}o/revoke_token/"
         token = self.refresh_token
-        revocation_status_codes = requests.post(
+        revocation_status_code = requests.post(
                 revoke_url,
                 data={
                     'token': token,
@@ -172,5 +175,5 @@ class OAuthToken(UuidModel):
                 auth=(OAUTH_CLIENT_ID, OAUTH_CLIENT_SECRET),
             ).status_code
 
-        return revocation_status_codes
+        return revocation_status_code