mirror of
https://mau.dev/maunium/synapse.git
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339 lines
11 KiB
Python
339 lines
11 KiB
Python
# Copyright 2021 Callum Brown
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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 string
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from http import HTTPStatus
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from typing import TYPE_CHECKING, Tuple
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from synapse.api.errors import Codes, NotFoundError, SynapseError
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from synapse.http.servlet import (
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RestServlet,
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parse_boolean,
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parse_json_object_from_request,
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)
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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 ListRegistrationTokensRestServlet(RestServlet):
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"""List registration tokens.
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To list all tokens:
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GET /_synapse/admin/v1/registration_tokens
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200 OK
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{
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"registration_tokens": [
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{
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"token": "abcd",
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"uses_allowed": 3,
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"pending": 0,
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"completed": 1,
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"expiry_time": null
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},
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{
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"token": "wxyz",
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"uses_allowed": null,
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"pending": 0,
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"completed": 9,
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"expiry_time": 1625394937000
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}
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]
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}
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The optional query parameter `valid` can be used to filter the response.
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If it is `true`, only valid tokens are returned. If it is `false`, only
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tokens that have expired or have had all uses exhausted are returned.
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If it is omitted, all tokens are returned regardless of validity.
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"""
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PATTERNS = admin_patterns("/registration_tokens$")
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def __init__(self, hs: "HomeServer"):
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self.hs = hs
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self.auth = hs.get_auth()
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self.store = hs.get_datastore()
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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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valid = parse_boolean(request, "valid")
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token_list = await self.store.get_registration_tokens(valid)
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return HTTPStatus.OK, {"registration_tokens": token_list}
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class NewRegistrationTokenRestServlet(RestServlet):
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"""Create a new registration token.
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For example, to create a token specifying some fields:
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POST /_synapse/admin/v1/registration_tokens/new
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{
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"token": "defg",
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"uses_allowed": 1
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}
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200 OK
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{
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"token": "defg",
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"uses_allowed": 1,
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"pending": 0,
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"completed": 0,
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"expiry_time": null
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}
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Defaults are used for any fields not specified.
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"""
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PATTERNS = admin_patterns("/registration_tokens/new$")
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def __init__(self, hs: "HomeServer"):
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self.hs = hs
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self.auth = hs.get_auth()
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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# A string of all the characters allowed to be in a registration_token
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self.allowed_chars = string.ascii_letters + string.digits + "._~-"
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self.allowed_chars_set = set(self.allowed_chars)
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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body = parse_json_object_from_request(request)
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if "token" in body:
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token = body["token"]
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if not isinstance(token, str):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"token must be a string",
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Codes.INVALID_PARAM,
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)
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if not (0 < len(token) <= 64):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"token must not be empty and must not be longer than 64 characters",
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Codes.INVALID_PARAM,
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)
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if not set(token).issubset(self.allowed_chars_set):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"token must consist only of characters matched by the regex [A-Za-z0-9-_]",
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Codes.INVALID_PARAM,
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)
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else:
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# Get length of token to generate (default is 16)
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length = body.get("length", 16)
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if not isinstance(length, int):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"length must be an integer",
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Codes.INVALID_PARAM,
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)
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if not (0 < length <= 64):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"length must be greater than zero and not greater than 64",
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Codes.INVALID_PARAM,
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)
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# Generate token
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token = await self.store.generate_registration_token(
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length, self.allowed_chars
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)
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uses_allowed = body.get("uses_allowed", None)
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if not (
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uses_allowed is None
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or (isinstance(uses_allowed, int) and uses_allowed >= 0)
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):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"uses_allowed must be a non-negative integer or null",
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Codes.INVALID_PARAM,
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)
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expiry_time = body.get("expiry_time", None)
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if not isinstance(expiry_time, (int, type(None))):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"expiry_time must be an integer or null",
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Codes.INVALID_PARAM,
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)
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if isinstance(expiry_time, int) and expiry_time < self.clock.time_msec():
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"expiry_time must not be in the past",
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Codes.INVALID_PARAM,
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)
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created = await self.store.create_registration_token(
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token, uses_allowed, expiry_time
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)
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if not created:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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f"Token already exists: {token}",
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Codes.INVALID_PARAM,
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)
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resp = {
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"token": token,
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"uses_allowed": uses_allowed,
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"pending": 0,
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"completed": 0,
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"expiry_time": expiry_time,
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}
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return HTTPStatus.OK, resp
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class RegistrationTokenRestServlet(RestServlet):
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"""Retrieve, update, or delete the given token.
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For example,
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to retrieve a token:
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GET /_synapse/admin/v1/registration_tokens/abcd
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200 OK
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{
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"token": "abcd",
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"uses_allowed": 3,
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"pending": 0,
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"completed": 1,
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"expiry_time": null
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}
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to update a token:
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PUT /_synapse/admin/v1/registration_tokens/defg
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{
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"uses_allowed": 5,
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"expiry_time": 4781243146000
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}
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200 OK
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{
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"token": "defg",
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"uses_allowed": 5,
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"pending": 0,
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"completed": 0,
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"expiry_time": 4781243146000
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}
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to delete a token:
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DELETE /_synapse/admin/v1/registration_tokens/wxyz
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200 OK
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{}
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"""
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PATTERNS = admin_patterns("/registration_tokens/(?P<token>[^/]*)$")
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def __init__(self, hs: "HomeServer"):
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self.hs = hs
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self.clock = hs.get_clock()
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self.auth = hs.get_auth()
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self.store = hs.get_datastore()
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async def on_GET(self, request: SynapseRequest, token: str) -> Tuple[int, JsonDict]:
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"""Retrieve a registration token."""
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await assert_requester_is_admin(self.auth, request)
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token_info = await self.store.get_one_registration_token(token)
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# If no result return a 404
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if token_info is None:
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raise NotFoundError(f"No such registration token: {token}")
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return HTTPStatus.OK, token_info
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async def on_PUT(self, request: SynapseRequest, token: str) -> Tuple[int, JsonDict]:
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"""Update a registration token."""
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await assert_requester_is_admin(self.auth, request)
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body = parse_json_object_from_request(request)
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new_attributes = {}
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# Only add uses_allowed to new_attributes if it is present and valid
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if "uses_allowed" in body:
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uses_allowed = body["uses_allowed"]
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if not (
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uses_allowed is None
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or (isinstance(uses_allowed, int) and uses_allowed >= 0)
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):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"uses_allowed must be a non-negative integer or null",
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Codes.INVALID_PARAM,
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)
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new_attributes["uses_allowed"] = uses_allowed
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if "expiry_time" in body:
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expiry_time = body["expiry_time"]
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if not isinstance(expiry_time, (int, type(None))):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"expiry_time must be an integer or null",
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Codes.INVALID_PARAM,
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)
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if isinstance(expiry_time, int) and expiry_time < self.clock.time_msec():
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"expiry_time must not be in the past",
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Codes.INVALID_PARAM,
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)
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new_attributes["expiry_time"] = expiry_time
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if len(new_attributes) == 0:
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# Nothing to update, get token info to return
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token_info = await self.store.get_one_registration_token(token)
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else:
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token_info = await self.store.update_registration_token(
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token, new_attributes
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)
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# If no result return a 404
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if token_info is None:
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raise NotFoundError(f"No such registration token: {token}")
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return HTTPStatus.OK, token_info
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async def on_DELETE(
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self, request: SynapseRequest, token: str
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) -> Tuple[int, JsonDict]:
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"""Delete a registration token."""
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await assert_requester_is_admin(self.auth, request)
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if await self.store.delete_registration_token(token):
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return HTTPStatus.OK, {}
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raise NotFoundError(f"No such registration token: {token}")
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