52 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2019 The Matrix.org Foundation C.I.C.
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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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from http import HTTPStatus
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from typing import TYPE_CHECKING, Tuple
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from synapse.http.servlet import RestServlet, parse_string
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from synapse.http.site import SynapseRequest
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from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
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from synapse.types import JsonDict
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if TYPE_CHECKING:
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    from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class UsernameAvailableRestServlet(RestServlet):
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    """An admin API to check if a given username is available, regardless of whether registration is enabled.
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    Example:
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        GET /_synapse/admin/v1/username_available?username=foo
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        200 OK
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        {
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            "available": true
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        }
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    """
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    PATTERNS = admin_patterns("/username_available")
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    def __init__(self, hs: "HomeServer"):
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        self.auth = hs.get_auth()
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        self.registration_handler = hs.get_registration_handler()
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    async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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        await assert_requester_is_admin(self.auth, request)
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        username = parse_string(request, "username", required=True)
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        await self.registration_handler.check_username(username)
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        return HTTPStatus.OK, {"available": True}
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