74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Python
		
	
	
# -*- coding: utf-8 -*-
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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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import json
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import logging
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from twisted.web.resource import Resource
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from synapse.http.server import set_cors_headers
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logger = logging.getLogger(__name__)
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class WellKnownBuilder(object):
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    """Utility to construct the well-known response
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    Args:
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        hs (synapse.server.HomeServer):
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    """
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    def __init__(self, hs):
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        self._config = hs.config
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    def get_well_known(self):
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        # if we don't have a public_base_url, we can't help much here.
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        if self._config.public_baseurl is None:
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            return None
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        result = {
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            "m.homeserver": {
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                "base_url": self._config.public_baseurl,
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            },
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        }
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        if self._config.default_identity_server:
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            result["m.identity_server"] = {
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                "base_url": self._config.default_identity_server,
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            }
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        return result
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class WellKnownResource(Resource):
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    """A Twisted web resource which renders the .well-known file"""
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    isLeaf = 1
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    def __init__(self, hs):
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        Resource.__init__(self)
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        self._well_known_builder = WellKnownBuilder(hs)
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    def render_GET(self, request):
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        set_cors_headers(request)
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        r = self._well_known_builder.get_well_known()
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        if not r:
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            request.setResponseCode(404)
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            request.setHeader(b"Content-Type", b"text/plain")
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            return b'.well-known not available'
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        logger.debug("returning: %s", r)
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        request.setHeader(b"Content-Type", b"application/json")
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        return json.dumps(r).encode("utf-8")
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