Deprecate the generate_short_term_login_token method in favor of an…

… async `create_login_token` method in the Module API.

Signed-off-by: Quentin Gliech <quenting@element.io>

changelog.d/13842.misc

@@ -0,0 +1 @@
+Deprecate the `generate_short_term_login_token` method in favor of an async `create_login_token` method in the Module API.

synapse/module_api/__init__.py

@@ -14,6 +14,7 @@
 # limitations under the License.
 import email.utils
 import logging
+import warnings
 from typing import (
     TYPE_CHECKING,
     Any,
@@ -748,6 +749,36 @@ def record_user_external_id(
             )
         )
 
+    async def create_login_token(
+        self,
+        user_id: str,
+        duration_in_ms: int = (2 * 60 * 1000),
+        auth_provider_id: Optional[str] = None,
+        auth_provider_session_id: Optional[str] = None,
+    ) -> str:
+        """Create a login token suitable for m.login.token authentication
+
+        Added in Synapse v1.68.0.
+
+        Args:
+            user_id: gives the ID of the user that the token is for
+
+            duration_in_ms: the time that the token will be valid for
+
+            auth_provider_id: the ID of the SSO IdP that the user used to authenticate
+                to get this token, if any. This is encoded in the token so that
+                /login can report stats on number of successful logins by IdP.
+
+            auth_provider_session_id: The session ID got during login from the SSO IdP,
+                if any.
+        """
+        return self._hs.get_macaroon_generator().generate_short_term_login_token(
+            user_id,
+            auth_provider_id or "",
+            auth_provider_session_id,
+            duration_in_ms,
+        )
+
     def generate_short_term_login_token(
         self,
         user_id: str,
@@ -759,6 +790,8 @@ def generate_short_term_login_token(
 
         Added in Synapse v1.9.0.
 
+        This is deprecated in favor of create_login_token.
+
         Args:
             user_id: gives the ID of the user that the token is for
 
@@ -768,6 +801,11 @@ def generate_short_term_login_token(
                to get this token, if any. This is encoded in the token so that
                /login can report stats on number of successful logins by IdP.
         """
+        warnings.warn(
+            "ModuleApi.generate_short_term_login_token() is deprecated "
+            "in favor of ModuleApi.create_login_token().",
+            DeprecationWarning,
+        )
         return self._hs.get_macaroon_generator().generate_short_term_login_token(
             user_id,
             auth_provider_id,