mirror of
https://mau.dev/maunium/synapse.git
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78 lines
2.6 KiB
Python
78 lines
2.6 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 logging
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import re
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from twisted.internet import defer
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logger = logging.getLogger(__name__)
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@defer.inlineCallbacks
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def check_3pid_allowed(hs, medium, address):
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"""Checks whether a given 3PID is allowed to be used on this HS
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Args:
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hs (synapse.server.HomeServer): server
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medium (str): 3pid medium - e.g. email, msisdn
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address (str): address within that medium (e.g. "wotan@matrix.org")
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msisdns need to first have been canonicalised
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Returns:
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defered bool: whether the 3PID medium/address is allowed to be added to this HS
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"""
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if hs.config.check_is_for_allowed_local_3pids:
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data = yield hs.get_simple_http_client().get_json(
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"https://%s%s" % (
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hs.config.check_is_for_allowed_local_3pids,
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"/_matrix/identity/api/v1/internal-info"
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),
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{'medium': medium, 'address': address}
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)
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# Check for invalid response
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if 'hs' not in data and 'shadow_hs' not in data:
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defer.returnValue(False)
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# Check if this user is intended to register for this homeserver
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if (
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data.get('hs') != hs.config.server_name
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and data.get('shadow_hs') != hs.config.server_name
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):
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defer.returnValue(False)
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if data.get('requires_invite', False) and not data.get('invited', False):
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# Requires an invite but hasn't been invited
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defer.returnValue(False)
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defer.returnValue(True)
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if hs.config.allowed_local_3pids:
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for constraint in hs.config.allowed_local_3pids:
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logger.debug(
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"Checking 3PID %s (%s) against %s (%s)",
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address, medium, constraint['pattern'], constraint['medium'],
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)
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if (
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medium == constraint['medium'] and
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re.match(constraint['pattern'], address)
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):
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defer.returnValue(True)
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else:
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defer.returnValue(True)
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defer.returnValue(False)
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