diff --git a/synapse/rest/client/v2_alpha/password_policy.py b/synapse/rest/client/v2_alpha/password_policy.py
new file mode 100644
index 0000000000..968403cca4
--- /dev/null
+++ b/synapse/rest/client/v2_alpha/password_policy.py
@@ -0,0 +1,58 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+
+from synapse.http.servlet import RestServlet
+
+from ._base import client_patterns
+
+logger = logging.getLogger(__name__)
+
+
+class PasswordPolicyServlet(RestServlet):
+ PATTERNS = client_patterns("/password_policy$")
+
+ def __init__(self, hs):
+ """
+ Args:
+ hs (synapse.server.HomeServer): server
+ """
+ super(PasswordPolicyServlet, self).__init__()
+
+ self.policy = hs.config.password_policy
+ self.enabled = hs.config.password_policy_enabled
+
+ def on_GET(self, request):
+ if not self.enabled or not self.policy:
+ return (200, {})
+
+ policy = {}
+
+ for param in [
+ "minimum_length",
+ "require_digit",
+ "require_symbol",
+ "require_lowercase",
+ "require_uppercase",
+ ]:
+ if param in self.policy:
+ policy["m.%s" % param] = self.policy[param]
+
+ return (200, policy)
+
+
+def register_servlets(hs, http_server):
+ PasswordPolicyServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 6963d79310..66fc8ec179 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -373,6 +373,7 @@ class RegisterRestServlet(RestServlet):
self.room_member_handler = hs.get_room_member_handler()
self.macaroon_gen = hs.get_macaroon_generator()
self.ratelimiter = hs.get_registration_ratelimiter()
+ self.password_policy_handler = hs.get_password_policy_handler()
self.clock = hs.get_clock()
self._registration_flows = _calculate_registration_flows(
@@ -420,6 +421,7 @@ class RegisterRestServlet(RestServlet):
or len(body["password"]) > 512
):
raise SynapseError(400, "Invalid password")
+ self.password_policy_handler.validate_password(body["password"])
desired_username = None
if "username" in body:
|
