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# 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 typing import TYPE_CHECKING, Tuple
from twisted.web.server import Request
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet
from synapse.types import JsonDict
from ._base import client_patterns
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class PasswordPolicyServlet(RestServlet):
PATTERNS = client_patterns("/password_policy$")
CATEGORY = "Registration/login requests"
def __init__(self, hs: "HomeServer"):
super().__init__()
self.policy = hs.config.auth.password_policy
self.enabled = hs.config.auth.password_policy_enabled
def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
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: "HomeServer", http_server: HttpServer) -> None:
PasswordPolicyServlet(hs).register(http_server)
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