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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| 
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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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| 
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| if TYPE_CHECKING:
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|     from synapse.server import HomeServer
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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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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| 
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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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| 
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|     PATTERNS = admin_patterns("/username_available$")
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| 
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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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| 
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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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| 
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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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