diff --git a/docs/password_auth_providers.rst b/docs/password_auth_providers.rst
index 2dbebcd72c..4ae4aeb53f 100644
--- a/docs/password_auth_providers.rst
+++ b/docs/password_auth_providers.rst
@@ -70,6 +70,11 @@ Password auth provider classes may optionally provide the following methods.
the canonical ``@localpart:domain`` user id if authentication is successful,
and ``None`` if not.
+ Alternatively, the ``Deferred`` can resolve to a ``(str, func)`` tuple, in
+ which case the second field is a callback which will be called with the
+ result from the ``/login`` call (including ``access_token``, ``device_id``,
+ etc.)
+
``someprovider.check_password``\(*user_id*, *password*)
This method provides a simpler interface than ``get_supported_login_types``
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index 9799461d26..5c89768c14 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -517,7 +517,8 @@ class AuthHandler(BaseHandler):
login_submission (dict): the whole of the login submission
(including 'type' and other relevant fields)
Returns:
- Deferred[str]: canonical user id
+ Deferred[str, func]: canonical user id, and optional callback
+ to be called once the access token and device id are issued
Raises:
StoreError if there was a problem accessing the database
SynapseError if there was a problem with the request
@@ -581,11 +582,13 @@ class AuthHandler(BaseHandler):
),
)
- returned_user_id = yield provider.check_auth(
+ result = yield provider.check_auth(
username, login_type, login_dict,
)
- if returned_user_id:
- defer.returnValue(returned_user_id)
+ if result:
+ if isinstance(result, str):
+ result = (result, None)
+ defer.returnValue(result)
if login_type == LoginType.PASSWORD:
known_login_type = True
@@ -595,7 +598,7 @@ class AuthHandler(BaseHandler):
)
if canonical_user_id:
- defer.returnValue(canonical_user_id)
+ defer.returnValue((canonical_user_id, None))
if not known_login_type:
raise SynapseError(400, "Unknown login type %s" % login_type)
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index d25a68e753..5669ecb724 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -219,7 +219,7 @@ class LoginRestServlet(ClientV1RestServlet):
raise SynapseError(400, "User identifier is missing 'user' key")
auth_handler = self.auth_handler
- canonical_user_id = yield auth_handler.validate_login(
+ canonical_user_id, callback = yield auth_handler.validate_login(
identifier["user"],
login_submission,
)
@@ -238,6 +238,9 @@ class LoginRestServlet(ClientV1RestServlet):
"device_id": device_id,
}
+ if callback is not None:
+ yield callback(result)
+
defer.returnValue((200, result))
@defer.inlineCallbacks
|