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6b0efe73e2
If an error happened while processing a SAML AuthN response, or a client ends up doing a `GET` request to `/authn_response`, then render a customisable error page rather than a confusing error.
48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.http.server import (
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DirectServeResource,
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finish_request,
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wrap_html_request_handler,
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)
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class SAML2ResponseResource(DirectServeResource):
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"""A Twisted web resource which handles the SAML response"""
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isLeaf = 1
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def __init__(self, hs):
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super().__init__()
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self._error_html_content = hs.config.saml2_error_html_content
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self._saml_handler = hs.get_saml_handler()
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async def _async_render_GET(self, request):
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# We're not expecting any GET request on that resource if everything goes right,
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# but some IdPs sometimes end up responding with a 302 redirect on this endpoint.
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# In this case, just tell the user that something went wrong and they should
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# try to authenticate again.
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request.setResponseCode(400)
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request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
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request.setHeader(b"Content-Length", b"%d" % (len(self._error_html_content),))
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request.write(self._error_html_content.encode("utf8"))
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finish_request(request)
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@wrap_html_request_handler
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async def _async_render_POST(self, request):
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return await self._saml_handler.handle_saml_response(request)
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