1 files changed, 19 insertions, 2 deletions
diff --git a/synapse/rest/client/auth.py b/synapse/rest/client/auth.py
index 4221f35937..b8dca7c797 100644
--- a/synapse/rest/client/auth.py
+++ b/synapse/rest/client/auth.py
@@ -20,14 +20,14 @@
#
import logging
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, cast
from twisted.web.server import Request
from synapse.api.constants import LoginType
from synapse.api.errors import LoginError, SynapseError
from synapse.api.urls import CLIENT_API_PREFIX
-from synapse.http.server import HttpServer, respond_with_html
+from synapse.http.server import HttpServer, respond_with_html, respond_with_redirect
from synapse.http.servlet import RestServlet, parse_string
from synapse.http.site import SynapseRequest
@@ -66,6 +66,23 @@ class AuthRestServlet(RestServlet):
if not session:
raise SynapseError(400, "No session supplied")
+ if (
+ self.hs.config.experimental.msc3861.enabled
+ and stagetype == "org.matrix.cross_signing_reset"
+ ):
+ # If MSC3861 is enabled, we can assume self._auth is an instance of MSC3861DelegatedAuth
+ # We import lazily here because of the authlib requirement
+ from synapse.api.auth.msc3861_delegated import MSC3861DelegatedAuth
+
+ auth = cast(MSC3861DelegatedAuth, self.auth)
+
+ url = await auth.account_management_url()
+ if url is not None:
+ url = f"{url}?action=org.matrix.cross_signing_reset"
+ else:
+ url = await auth.issuer()
+ respond_with_redirect(request, str.encode(url))
+
if stagetype == LoginType.RECAPTCHA:
html = self.recaptcha_template.render(
session=session,
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