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# -*- coding: utf-8 -*-
#
# Copyright 2018 New Vector Ltd
#
# 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.
from twisted.python import failure
from synapse.api.errors import SynapseError
from synapse.http.server import DirectServeResource, return_html_error
class SAML2ResponseResource(DirectServeResource):
"""A Twisted web resource which handles the SAML response"""
isLeaf = 1
def __init__(self, hs):
super().__init__()
self._saml_handler = hs.get_saml_handler()
self._error_html_template = hs.config.saml2.saml2_error_html_template
async def _async_render_GET(self, request):
# We're not expecting any GET request on that resource if everything goes right,
# but some IdPs sometimes end up responding with a 302 redirect on this endpoint.
# In this case, just tell the user that something went wrong and they should
# try to authenticate again.
f = failure.Failure(
SynapseError(400, "Unexpected GET request on /saml2/authn_response")
)
return_html_error(f, request, self._error_html_template)
async def _async_render_POST(self, request):
try:
await self._saml_handler.handle_saml_response(request)
except Exception:
f = failure.Failure()
return_html_error(f, request, self._error_html_template)
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