forked-synapse/tests/rest/admin/test_user.py

#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2018-2022 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#

import hashlib
import hmac
import os
import urllib.parse
from binascii import unhexlify
from typing import Dict, List, Optional
from unittest.mock import AsyncMock, Mock, patch

from parameterized import parameterized, parameterized_class

from twisted.test.proto_helpers import MemoryReactor
from twisted.web.resource import Resource

import synapse.rest.admin
from synapse.api.constants import ApprovalNoticeMedium, LoginType, UserTypes
from synapse.api.errors import Codes, HttpResponseException, ResourceLimitError
from synapse.api.room_versions import RoomVersions
from synapse.media.filepath import MediaFilePaths
from synapse.rest.client import (
    devices,
    login,
    logout,
    profile,
    register,
    room,
    sync,
    user_directory,
)
from synapse.server import HomeServer
from synapse.storage.databases.main.client_ips import LAST_SEEN_GRANULARITY
from synapse.types import JsonDict, UserID, create_requester
from synapse.util import Clock

from tests import unittest
from tests.test_utils import SMALL_PNG
from tests.unittest import override_config


class UserRegisterTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets_for_client_rest_resource,
        profile.register_servlets,
    ]

    def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
        self.url = "/_synapse/admin/v1/register"

        self.registration_handler = Mock()
        self.identity_handler = Mock()
        self.login_handler = Mock()
        self.device_handler = Mock()
        self.device_handler.check_device_registered = Mock(return_value="FAKE")

        self.datastore = Mock(return_value=Mock())
        self.datastore.get_current_state_deltas = Mock(return_value=(0, []))

        self.hs = self.setup_test_homeserver()

        self.hs.config.registration.registration_shared_secret = "shared"

        self.hs.get_media_repository = Mock()  # type: ignore[method-assign]
        self.hs.get_deactivate_account_handler = Mock()  # type: ignore[method-assign]

        return self.hs

    def test_disabled(self) -> None:
        """
        If there is no shared secret, registration through this method will be
        prevented.
        """
        self.hs.config.registration.registration_shared_secret = None

        channel = self.make_request("POST", self.url, b"{}")

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(
            "Shared secret registration is not enabled", channel.json_body["error"]
        )

    def test_get_nonce(self) -> None:
        """
        Calling GET on the endpoint will return a randomised nonce, using the
        homeserver's secrets provider.
        """
        with patch("secrets.token_hex") as token_hex:
            # Patch secrets.token_hex for the duration of this context
            token_hex.return_value = "abcd"

            channel = self.make_request("GET", self.url)

            self.assertEqual(channel.json_body, {"nonce": "abcd"})

    def test_expired_nonce(self) -> None:
        """
        Calling GET on the endpoint will return a randomised nonce, which will
        only last for SALT_TIMEOUT (60s).
        """
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        # 59 seconds
        self.reactor.advance(59)

        body = {"nonce": nonce}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("username must be specified", channel.json_body["error"])

        # 61 seconds
        self.reactor.advance(2)

        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("unrecognised nonce", channel.json_body["error"])

    def test_register_incorrect_nonce(self) -> None:
        """
        Only the provided nonce can be used, as it's checked in the MAC.
        """
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(b"notthenonce\x00bob\x00abc123\x00admin")
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob",
            "password": "abc123",
            "admin": True,
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual("HMAC incorrect", channel.json_body["error"])

    def test_register_correct_nonce(self) -> None:
        """
        When the correct nonce is provided, and the right key is provided, the
        user is registered.
        """
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(
            nonce.encode("ascii") + b"\x00bob\x00abc123\x00admin\x00support"
        )
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob",
            "password": "abc123",
            "admin": True,
            "user_type": UserTypes.SUPPORT,
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["user_id"])

    def test_nonce_reuse(self) -> None:
        """
        A valid unrecognised nonce.
        """
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(nonce.encode("ascii") + b"\x00bob\x00abc123\x00admin")
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob",
            "password": "abc123",
            "admin": True,
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["user_id"])

        # Now, try and reuse it
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("unrecognised nonce", channel.json_body["error"])

    def test_missing_parts(self) -> None:
        """
        Synapse will complain if you don't give nonce, username, password, and
        mac.  Admin and user_types are optional.  Additional checks are done for length
        and type.
        """

        def nonce() -> str:
            channel = self.make_request("GET", self.url)
            return channel.json_body["nonce"]

        #
        # Nonce check
        #

        # Must be an empty body present
        channel = self.make_request("POST", self.url, {})

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("nonce must be specified", channel.json_body["error"])

        #
        # Username checks
        #

        # Must be present
        channel = self.make_request("POST", self.url, {"nonce": nonce()})

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("username must be specified", channel.json_body["error"])

        # Must be a string
        body = {"nonce": nonce(), "username": 1234}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid username", channel.json_body["error"])

        # Must not have null bytes
        body = {"nonce": nonce(), "username": "abcd\u0000"}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid username", channel.json_body["error"])

        # Must not have null bytes
        body = {"nonce": nonce(), "username": "a" * 1000}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid username", channel.json_body["error"])

        #
        # Password checks
        #

        # Must be present
        body = {"nonce": nonce(), "username": "a"}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("password must be specified", channel.json_body["error"])

        # Must be a string
        body = {"nonce": nonce(), "username": "a", "password": 1234}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid password", channel.json_body["error"])

        # Must not have null bytes
        body = {"nonce": nonce(), "username": "a", "password": "abcd\u0000"}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid password", channel.json_body["error"])

        # Super long
        body = {"nonce": nonce(), "username": "a", "password": "A" * 1000}
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid password", channel.json_body["error"])

        #
        # user_type check
        #

        # Invalid user_type
        body = {
            "nonce": nonce(),
            "username": "a",
            "password": "1234",
            "user_type": "invalid",
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Invalid user type", channel.json_body["error"])

    def test_displayname(self) -> None:
        """
        Test that displayname of new user is set
        """

        # set no displayname
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(nonce.encode("ascii") + b"\x00bob1\x00abc123\x00notadmin")
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob1",
            "password": "abc123",
            "mac": want_mac_str,
        }

        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob1:test", channel.json_body["user_id"])

        channel = self.make_request("GET", "/profile/@bob1:test/displayname")
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("bob1", channel.json_body["displayname"])

        # displayname is None
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(nonce.encode("ascii") + b"\x00bob2\x00abc123\x00notadmin")
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob2",
            "displayname": None,
            "password": "abc123",
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob2:test", channel.json_body["user_id"])

        channel = self.make_request("GET", "/profile/@bob2:test/displayname")
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("bob2", channel.json_body["displayname"])

        # displayname is empty
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(nonce.encode("ascii") + b"\x00bob3\x00abc123\x00notadmin")
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob3",
            "displayname": "",
            "password": "abc123",
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob3:test", channel.json_body["user_id"])

        channel = self.make_request("GET", "/profile/@bob3:test/displayname")
        self.assertEqual(404, channel.code, msg=channel.json_body)

        # set displayname
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(nonce.encode("ascii") + b"\x00bob4\x00abc123\x00notadmin")
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob4",
            "displayname": "Bob's Name",
            "password": "abc123",
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob4:test", channel.json_body["user_id"])

        channel = self.make_request("GET", "/profile/@bob4:test/displayname")
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("Bob's Name", channel.json_body["displayname"])

    @override_config(
        {"limit_usage_by_mau": True, "max_mau_value": 2, "mau_trial_days": 0}
    )
    def test_register_mau_limit_reached(self) -> None:
        """
        Check we can register a user via the shared secret registration API
        even if the MAU limit is reached.
        """
        handler = self.hs.get_registration_handler()
        store = self.hs.get_datastores().main

        # Set monthly active users to the limit
        store.get_monthly_active_count = AsyncMock(
            return_value=self.hs.config.server.max_mau_value
        )
        # Check that the blocking of monthly active users is working as expected
        # The registration of a new user fails due to the limit
        self.get_failure(
            handler.register_user(localpart="local_part"), ResourceLimitError
        )

        # Register new user with admin API
        channel = self.make_request("GET", self.url)
        nonce = channel.json_body["nonce"]

        want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
        want_mac.update(
            nonce.encode("ascii") + b"\x00bob\x00abc123\x00admin\x00support"
        )
        want_mac_str = want_mac.hexdigest()

        body = {
            "nonce": nonce,
            "username": "bob",
            "password": "abc123",
            "admin": True,
            "user_type": UserTypes.SUPPORT,
            "mac": want_mac_str,
        }
        channel = self.make_request("POST", self.url, body)

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["user_id"])


class UsersListTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
        room.register_servlets,
    ]
    url = "/_synapse/admin/v2/users"

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

    def test_no_auth(self) -> None:
        """
        Try to list users without authentication.
        """
        channel = self.make_request("GET", self.url, b"{}")

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_requester_is_no_admin(self) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        self._create_users(1)
        other_user_token = self.login("user1", "pass1")

        channel = self.make_request("GET", self.url, access_token=other_user_token)

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    def test_all_users(self) -> None:
        """
        List all users, including deactivated users.
        """
        self._create_users(2)

        channel = self.make_request(
            "GET",
            self.url + "?deactivated=true",
            {},
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(3, len(channel.json_body["users"]))
        self.assertEqual(3, channel.json_body["total"])

        # Check that all fields are available
        self._check_fields(channel.json_body["users"])

    def test_last_seen(self) -> None:
        """
        Test that last_seen_ts field is properly working.
        """
        user1 = self.register_user("u1", "pass")
        user1_token = self.login("u1", "pass")
        user2 = self.register_user("u2", "pass")
        user2_token = self.login("u2", "pass")
        user3 = self.register_user("u3", "pass")
        user3_token = self.login("u3", "pass")

        self.helper.create_room_as(self.admin_user, tok=self.admin_user_tok)
        self.reactor.advance(10)
        self.helper.create_room_as(user2, tok=user2_token)
        self.reactor.advance(10)
        self.helper.create_room_as(user1, tok=user1_token)
        self.reactor.advance(10)
        self.helper.create_room_as(user3, tok=user3_token)
        self.reactor.advance(10)

        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(4, len(channel.json_body["users"]))
        self.assertEqual(4, channel.json_body["total"])

        admin_last_seen = channel.json_body["users"][0]["last_seen_ts"]
        user1_last_seen = channel.json_body["users"][1]["last_seen_ts"]
        user2_last_seen = channel.json_body["users"][2]["last_seen_ts"]
        user3_last_seen = channel.json_body["users"][3]["last_seen_ts"]
        self.assertTrue(admin_last_seen > 0 and admin_last_seen < 10000)
        self.assertTrue(user2_last_seen > 10000 and user2_last_seen < 20000)
        self.assertTrue(user1_last_seen > 20000 and user1_last_seen < 30000)
        self.assertTrue(user3_last_seen > 30000 and user3_last_seen < 40000)

        self._order_test([self.admin_user, user2, user1, user3], "last_seen_ts")

        self.reactor.advance(LAST_SEEN_GRANULARITY / 1000)
        self.helper.create_room_as(user1, tok=user1_token)
        self.reactor.advance(10)

        channel = self.make_request(
            "GET",
            self.url + "/" + user1,
            access_token=self.admin_user_tok,
        )
        self.assertTrue(
            channel.json_body["last_seen_ts"] > 40000 + LAST_SEEN_GRANULARITY
        )

        self._order_test([self.admin_user, user2, user3, user1], "last_seen_ts")

    def test_search_term(self) -> None:
        """Test that searching for a users works correctly"""

        def _search_test(
            expected_user_id: Optional[str],
            search_term: str,
            search_field: Optional[str] = "name",
            expected_http_code: Optional[int] = 200,
        ) -> None:
            """Search for a user and check that the returned user's id is a match

            Args:
                expected_user_id: The user_id expected to be returned by the API. Set
                    to None to expect zero results for the search
                search_term: The term to search for user names with
                search_field: Field which is to request: `name` or `user_id`
                expected_http_code: The expected http code for the request
            """
            url = self.url + "?%s=%s" % (
                search_field,
                search_term,
            )
            channel = self.make_request(
                "GET",
                url,
                access_token=self.admin_user_tok,
            )
            self.assertEqual(expected_http_code, channel.code, msg=channel.json_body)

            if expected_http_code != 200:
                return

            # Check that users were returned
            self.assertTrue("users" in channel.json_body)
            self._check_fields(channel.json_body["users"])
            users = channel.json_body["users"]

            # Check that the expected number of users were returned
            expected_user_count = 1 if expected_user_id else 0
            self.assertEqual(len(users), expected_user_count)
            self.assertEqual(channel.json_body["total"], expected_user_count)

            if expected_user_id:
                # Check that the first returned user id is correct
                u = users[0]
                self.assertEqual(expected_user_id, u["name"])

        self._create_users(2)

        user1 = "@user1:test"
        user2 = "@user2:test"

        # Perform search tests
        _search_test(user1, "er1")
        _search_test(user1, "me 1")

        _search_test(user2, "er2")
        _search_test(user2, "me 2")

        _search_test(user1, "er1", "user_id")
        _search_test(user2, "er2", "user_id")

        # Test case insensitive
        _search_test(user1, "ER1")
        _search_test(user1, "NAME 1")

        _search_test(user2, "ER2")
        _search_test(user2, "NAME 2")

        _search_test(user1, "ER1", "user_id")
        _search_test(user2, "ER2", "user_id")

        _search_test(None, "foo")
        _search_test(None, "bar")

        _search_test(None, "foo", "user_id")
        _search_test(None, "bar", "user_id")

    @override_config(
        {
            "experimental_features": {
                "msc3866": {
                    "enabled": True,
                    "require_approval_for_new_accounts": True,
                }
            }
        }
    )
    def test_invalid_parameter(self) -> None:
        """
        If parameters are invalid, an error is returned.
        """

        # negative limit
        channel = self.make_request(
            "GET",
            self.url + "?limit=-5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # negative from
        channel = self.make_request(
            "GET",
            self.url + "?from=-5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # invalid guests
        channel = self.make_request(
            "GET",
            self.url + "?guests=not_bool",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # invalid deactivated
        channel = self.make_request(
            "GET",
            self.url + "?deactivated=not_bool",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # invalid approved
        channel = self.make_request(
            "GET",
            self.url + "?approved=not_bool",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # unkown order_by
        channel = self.make_request(
            "GET",
            self.url + "?order_by=bar",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # invalid search order
        channel = self.make_request(
            "GET",
            self.url + "?dir=bar",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

    def test_limit(self) -> None:
        """
        Testing list of users with limit
        """

        number_users = 20
        # Create one less user (since there's already an admin user).
        self._create_users(number_users - 1)

        channel = self.make_request(
            "GET",
            self.url + "?limit=5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(len(channel.json_body["users"]), 5)
        self.assertEqual(channel.json_body["next_token"], "5")
        self._check_fields(channel.json_body["users"])

    def test_from(self) -> None:
        """
        Testing list of users with a defined starting point (from)
        """

        number_users = 20
        # Create one less user (since there's already an admin user).
        self._create_users(number_users - 1)

        channel = self.make_request(
            "GET",
            self.url + "?from=5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(len(channel.json_body["users"]), 15)
        self.assertNotIn("next_token", channel.json_body)
        self._check_fields(channel.json_body["users"])

    def test_limit_and_from(self) -> None:
        """
        Testing list of users with a defined starting point and limit
        """

        number_users = 20
        # Create one less user (since there's already an admin user).
        self._create_users(number_users - 1)

        channel = self.make_request(
            "GET",
            self.url + "?from=5&limit=10",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(channel.json_body["next_token"], "15")
        self.assertEqual(len(channel.json_body["users"]), 10)
        self._check_fields(channel.json_body["users"])

    def test_next_token(self) -> None:
        """
        Testing that `next_token` appears at the right place
        """

        number_users = 20
        # Create one less user (since there's already an admin user).
        self._create_users(number_users - 1)

        #  `next_token` does not appear
        # Number of results is the number of entries
        channel = self.make_request(
            "GET",
            self.url + "?limit=20",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(len(channel.json_body["users"]), number_users)
        self.assertNotIn("next_token", channel.json_body)

        #  `next_token` does not appear
        # Number of max results is larger than the number of entries
        channel = self.make_request(
            "GET",
            self.url + "?limit=21",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(len(channel.json_body["users"]), number_users)
        self.assertNotIn("next_token", channel.json_body)

        #  `next_token` does appear
        # Number of max results is smaller than the number of entries
        channel = self.make_request(
            "GET",
            self.url + "?limit=19",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(len(channel.json_body["users"]), 19)
        self.assertEqual(channel.json_body["next_token"], "19")

        # Check
        # Set `from` to value of `next_token` for request remaining entries
        #  `next_token` does not appear
        channel = self.make_request(
            "GET",
            self.url + "?from=19",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_users)
        self.assertEqual(len(channel.json_body["users"]), 1)
        self.assertNotIn("next_token", channel.json_body)

    def test_order_by(self) -> None:
        """
        Testing order list with parameter `order_by`
        """

        # make sure that the users do not have the same timestamps
        self.reactor.advance(10)
        user1 = self.register_user("user1", "pass1", admin=False, displayname="Name Z")
        self.reactor.advance(10)
        user2 = self.register_user("user2", "pass2", admin=False, displayname="Name Y")

        # Modify user
        self.get_success(self.store.set_user_deactivated_status(user1, True))
        self.get_success(self.store.set_shadow_banned(UserID.from_string(user1), True))

        # Set avatar URL to all users, that no user has a NULL value to avoid
        # different sort order between SQlite and PostreSQL
        self.get_success(
            self.store.set_profile_avatar_url(
                UserID.from_string("@user1:test"), "mxc://url3"
            )
        )
        self.get_success(
            self.store.set_profile_avatar_url(
                UserID.from_string("@user2:test"), "mxc://url2"
            )
        )
        self.get_success(
            self.store.set_profile_avatar_url(
                UserID.from_string("@admin:test"), "mxc://url1"
            )
        )

        # order by default (name)
        self._order_test([self.admin_user, user1, user2], None)
        self._order_test([self.admin_user, user1, user2], None, "f")
        self._order_test([user2, user1, self.admin_user], None, "b")

        # order by name
        self._order_test([self.admin_user, user1, user2], "name")
        self._order_test([self.admin_user, user1, user2], "name", "f")
        self._order_test([user2, user1, self.admin_user], "name", "b")

        # order by displayname
        self._order_test([user2, user1, self.admin_user], "displayname")
        self._order_test([user2, user1, self.admin_user], "displayname", "f")
        self._order_test([self.admin_user, user1, user2], "displayname", "b")

        # order by is_guest
        # like sort by ascending name, as no guest user here
        self._order_test([self.admin_user, user1, user2], "is_guest")
        self._order_test([self.admin_user, user1, user2], "is_guest", "f")
        self._order_test([self.admin_user, user1, user2], "is_guest", "b")

        # order by admin
        self._order_test([user1, user2, self.admin_user], "admin")
        self._order_test([user1, user2, self.admin_user], "admin", "f")
        self._order_test([self.admin_user, user1, user2], "admin", "b")

        # order by deactivated
        self._order_test([self.admin_user, user2, user1], "deactivated")
        self._order_test([self.admin_user, user2, user1], "deactivated", "f")
        self._order_test([user1, self.admin_user, user2], "deactivated", "b")

        # order by user_type
        # like sort by ascending name, as no special user type here
        self._order_test([self.admin_user, user1, user2], "user_type")
        self._order_test([self.admin_user, user1, user2], "user_type", "f")
        self._order_test([self.admin_user, user1, user2], "is_guest", "b")

        # order by shadow_banned
        self._order_test([self.admin_user, user2, user1], "shadow_banned")
        self._order_test([self.admin_user, user2, user1], "shadow_banned", "f")
        self._order_test([user1, self.admin_user, user2], "shadow_banned", "b")

        # order by avatar_url
        self._order_test([self.admin_user, user2, user1], "avatar_url")
        self._order_test([self.admin_user, user2, user1], "avatar_url", "f")
        self._order_test([user1, user2, self.admin_user], "avatar_url", "b")

        # order by creation_ts
        self._order_test([self.admin_user, user1, user2], "creation_ts")
        self._order_test([self.admin_user, user1, user2], "creation_ts", "f")
        self._order_test([user2, user1, self.admin_user], "creation_ts", "b")

    def test_filter_admins(self) -> None:
        """
        Tests whether the various values of the query parameter `admins` lead to the
        expected result set.
        """

        # Register an additional non admin user
        self.register_user("user", "pass", admin=False)

        # Query all users
        channel = self.make_request(
            "GET",
            f"{self.url}",
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, channel.result)
        self.assertEqual(2, channel.json_body["total"])

        # Query only admin users
        channel = self.make_request(
            "GET",
            f"{self.url}?admins=true",
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, channel.result)
        self.assertEqual(1, channel.json_body["total"])
        self.assertEqual(1, channel.json_body["users"][0]["admin"])

        # Query only non admin users
        channel = self.make_request(
            "GET",
            f"{self.url}?admins=false",
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, channel.result)
        self.assertEqual(1, channel.json_body["total"])
        self.assertFalse(channel.json_body["users"][0]["admin"])

    @override_config(
        {
            "experimental_features": {
                "msc3866": {
                    "enabled": True,
                    "require_approval_for_new_accounts": True,
                }
            }
        }
    )
    def test_filter_out_approved(self) -> None:
        """Tests that the endpoint can filter out approved users."""
        # Create our users.
        self._create_users(2)

        # Get the list of users.
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, channel.result)

        # Exclude the admin, because we don't want to accidentally un-approve the admin.
        non_admin_user_ids = [
            user["name"]
            for user in channel.json_body["users"]
            if user["name"] != self.admin_user
        ]

        self.assertEqual(2, len(non_admin_user_ids), non_admin_user_ids)

        # Select a user and un-approve them. We do this rather than the other way around
        # because, since these users are created by an admin, we consider them already
        # approved.
        not_approved_user = non_admin_user_ids[0]

        channel = self.make_request(
            "PUT",
            f"/_synapse/admin/v2/users/{not_approved_user}",
            {"approved": False},
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, channel.result)

        # Now get the list of users again, this time filtering out approved users.
        channel = self.make_request(
            "GET",
            self.url + "?approved=false",
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, channel.result)

        non_admin_user_ids = [
            user["name"]
            for user in channel.json_body["users"]
            if user["name"] != self.admin_user
        ]

        # We should only have our unapproved user now.
        self.assertEqual(1, len(non_admin_user_ids), non_admin_user_ids)
        self.assertEqual(not_approved_user, non_admin_user_ids[0])

    def test_filter_not_user_types(self) -> None:
        """Tests that the endpoint handles the not_user_types param"""

        regular_user_id = self.register_user("normalo", "secret")

        bot_user_id = self.register_user("robo", "secret")
        self.make_request(
            "PUT",
            "/_synapse/admin/v2/users/" + urllib.parse.quote(bot_user_id),
            {"user_type": UserTypes.BOT},
            access_token=self.admin_user_tok,
        )

        support_user_id = self.register_user("foo", "secret")
        self.make_request(
            "PUT",
            "/_synapse/admin/v2/users/" + urllib.parse.quote(support_user_id),
            {"user_type": UserTypes.SUPPORT},
            access_token=self.admin_user_tok,
        )

        def test_user_type(
            expected_user_ids: List[str], not_user_types: Optional[List[str]] = None
        ) -> None:
            """Runs a test for the not_user_types param
            Args:
                expected_user_ids: Ids of the users that are expected to be returned
                not_user_types: List of values for the not_user_types param
            """

            user_type_query = ""

            if not_user_types is not None:
                user_type_query = "&".join(
                    [f"not_user_type={u}" for u in not_user_types]
                )

            test_url = f"{self.url}?{user_type_query}"
            channel = self.make_request(
                "GET",
                test_url,
                access_token=self.admin_user_tok,
            )

            self.assertEqual(200, channel.code)
            self.assertEqual(channel.json_body["total"], len(expected_user_ids))
            self.assertEqual(
                expected_user_ids,
                [u["name"] for u in channel.json_body["users"]],
            )

        # Request without user_types →  all users expected
        test_user_type([self.admin_user, support_user_id, regular_user_id, bot_user_id])

        # Request and exclude bot users
        test_user_type(
            [self.admin_user, support_user_id, regular_user_id],
            not_user_types=[UserTypes.BOT],
        )

        # Request and exclude bot and support users
        test_user_type(
            [self.admin_user, regular_user_id],
            not_user_types=[UserTypes.BOT, UserTypes.SUPPORT],
        )

        # Request and exclude empty user types →  only expected the bot and support user
        test_user_type([support_user_id, bot_user_id], not_user_types=[""])

        # Request and exclude empty user types and bots →  only expected the support user
        test_user_type([support_user_id], not_user_types=["", UserTypes.BOT])

        # Request and exclude a custom type (neither service nor bot) →  expect all users
        test_user_type(
            [self.admin_user, support_user_id, regular_user_id, bot_user_id],
            not_user_types=["custom"],
        )

    def test_erasure_status(self) -> None:
        # Create a new user.
        user_id = self.register_user("eraseme", "eraseme")

        # They should appear in the list users API, marked as not erased.
        channel = self.make_request(
            "GET",
            self.url + "?deactivated=true",
            access_token=self.admin_user_tok,
        )
        users = {user["name"]: user for user in channel.json_body["users"]}
        self.assertIs(users[user_id]["erased"], False)

        # Deactivate that user, requesting erasure.
        deactivate_account_handler = self.hs.get_deactivate_account_handler()
        self.get_success(
            deactivate_account_handler.deactivate_account(
                user_id, erase_data=True, requester=create_requester(user_id)
            )
        )

        # Repeat the list users query. They should now be marked as erased.
        channel = self.make_request(
            "GET",
            self.url + "?deactivated=true",
            access_token=self.admin_user_tok,
        )
        users = {user["name"]: user for user in channel.json_body["users"]}
        self.assertIs(users[user_id]["erased"], True)

    def test_filter_locked(self) -> None:
        # Create a new user.
        user_id = self.register_user("lockme", "lockme")

        # Lock them
        self.get_success(self.store.set_user_locked_status(user_id, True))

        # Locked user should appear in list users API
        channel = self.make_request(
            "GET",
            self.url + "?locked=true",
            access_token=self.admin_user_tok,
        )
        users = {user["name"]: user for user in channel.json_body["users"]}
        self.assertIn(user_id, users)
        self.assertTrue(users[user_id]["locked"])

        # Locked user should not appear in list users API
        channel = self.make_request(
            "GET",
            self.url + "?locked=false",
            access_token=self.admin_user_tok,
        )
        users = {user["name"]: user for user in channel.json_body["users"]}
        self.assertNotIn(user_id, users)

    def _order_test(
        self,
        expected_user_list: List[str],
        order_by: Optional[str],
        dir: Optional[str] = None,
    ) -> None:
        """Request the list of users in a certain order. Assert that order is what
        we expect
        Args:
            expected_user_list: The list of user_id in the order we expect to get
                back from the server
            order_by: The type of ordering to give the server
            dir: The direction of ordering to give the server
        """

        url = self.url + "?deactivated=true&"
        if order_by is not None:
            url += "order_by=%s&" % (order_by,)
        if dir is not None and dir in ("b", "f"):
            url += "dir=%s" % (dir,)
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], len(expected_user_list))

        returned_order = [row["name"] for row in channel.json_body["users"]]
        self.assertEqual(expected_user_list, returned_order)
        self._check_fields(channel.json_body["users"])

    def _check_fields(self, content: List[JsonDict]) -> None:
        """Checks that the expected user attributes are present in content
        Args:
            content: List that is checked for content
        """
        for u in content:
            self.assertIn("name", u)
            self.assertIn("is_guest", u)
            self.assertIn("admin", u)
            self.assertIn("user_type", u)
            self.assertIn("deactivated", u)
            self.assertIn("shadow_banned", u)
            self.assertIn("displayname", u)
            self.assertIn("avatar_url", u)
            self.assertIn("creation_ts", u)
            self.assertIn("last_seen_ts", u)

    def _create_users(self, number_users: int) -> None:
        """
        Create a number of users
        Args:
            number_users: Number of users to be created
        """
        for i in range(1, number_users + 1):
            self.register_user(
                "user%d" % i,
                "pass%d" % i,
                admin=False,
                displayname="Name %d" % i,
            )


class UserDevicesTestCase(unittest.HomeserverTestCase):
    """
    Tests user device management-related Admin APIs.
    """

    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
        sync.register_servlets,
    ]

    def prepare(
        self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
    ) -> None:
        # Set up an Admin user to query the Admin API with.
        self.admin_user_id = self.register_user("admin", "pass", admin=True)
        self.admin_user_token = self.login("admin", "pass")

        # Set up a test user to query the devices of.
        self.other_user_device_id = "TESTDEVICEID"
        self.other_user_device_display_name = "My Test Device"
        self.other_user_client_ip = "1.2.3.4"
        self.other_user_user_agent = "EquestriaTechnology/123.0"

        self.other_user_id = self.register_user("user", "pass", displayname="User1")
        self.other_user_token = self.login(
            "user",
            "pass",
            device_id=self.other_user_device_id,
            additional_request_fields={
                "initial_device_display_name": self.other_user_device_display_name,
            },
        )

        # Have the "other user" make a request so that the "last_seen_*" fields are
        # populated in the tests below.
        channel = self.make_request(
            "GET",
            "/_matrix/client/v3/sync",
            access_token=self.other_user_token,
            client_ip=self.other_user_client_ip,
            custom_headers=[
                ("User-Agent", self.other_user_user_agent),
            ],
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

    def test_list_user_devices(self) -> None:
        """
        Tests that a user's devices and attributes are listed correctly via the Admin API.
        """
        # Request all devices of "other user"
        channel = self.make_request(
            "GET",
            f"/_synapse/admin/v2/users/{self.other_user_id}/devices",
            access_token=self.admin_user_token,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Double-check we got the single device expected
        user_devices = channel.json_body["devices"]
        self.assertEqual(len(user_devices), 1)
        self.assertEqual(channel.json_body["total"], 1)

        # Check that all the attributes of the device reported are as expected.
        self._validate_attributes_of_device_response(user_devices[0])

        # Request just a single device for "other user" by its ID
        channel = self.make_request(
            "GET",
            f"/_synapse/admin/v2/users/{self.other_user_id}/devices/"
            f"{self.other_user_device_id}",
            access_token=self.admin_user_token,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Check that all the attributes of the device reported are as expected.
        self._validate_attributes_of_device_response(channel.json_body)

    def _validate_attributes_of_device_response(self, response: JsonDict) -> None:
        # Check that all device expected attributes are present
        self.assertEqual(response["user_id"], self.other_user_id)
        self.assertEqual(response["device_id"], self.other_user_device_id)
        self.assertEqual(response["display_name"], self.other_user_device_display_name)
        self.assertEqual(response["last_seen_ip"], self.other_user_client_ip)
        self.assertEqual(response["last_seen_user_agent"], self.other_user_user_agent)
        self.assertIsInstance(response["last_seen_ts"], int)
        self.assertGreater(response["last_seen_ts"], 0)


class DeactivateAccountTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass", displayname="User1")
        self.other_user_token = self.login("user", "pass")
        self.url_other_user = "/_synapse/admin/v2/users/%s" % urllib.parse.quote(
            self.other_user
        )
        self.url = "/_synapse/admin/v1/deactivate/%s" % urllib.parse.quote(
            self.other_user
        )

        # set attributes for user
        self.get_success(
            self.store.set_profile_avatar_url(
                UserID.from_string("@user:test"), "mxc://servername/mediaid"
            )
        )
        self.get_success(
            self.store.user_add_threepid("@user:test", "email", "foo@bar.com", 0, 0)
        )

    def test_no_auth(self) -> None:
        """
        Try to deactivate users without authentication.
        """
        channel = self.make_request("POST", self.url, b"{}")

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_requester_is_not_admin(self) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        url = "/_synapse/admin/v1/deactivate/@bob:test"

        channel = self.make_request("POST", url, access_token=self.other_user_token)

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual("You are not a server admin", channel.json_body["error"])

        channel = self.make_request(
            "POST",
            url,
            access_token=self.other_user_token,
            content=b"{}",
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual("You are not a server admin", channel.json_body["error"])

    def test_user_does_not_exist(self) -> None:
        """
        Tests that deactivation for a user that does not exist returns a 404
        """

        channel = self.make_request(
            "POST",
            "/_synapse/admin/v1/deactivate/@unknown_person:test",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    def test_erase_is_not_bool(self) -> None:
        """
        If parameter `erase` is not boolean, return an error
        """

        channel = self.make_request(
            "POST",
            self.url,
            content={"erase": "False"},
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.BAD_JSON, channel.json_body["errcode"])

    def test_user_is_not_local(self) -> None:
        """
        Tests that deactivation for a user that is not a local returns a 400
        """
        url = "/_synapse/admin/v1/deactivate/@unknown_person:unknown_domain"

        channel = self.make_request("POST", url, access_token=self.admin_user_tok)

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Can only deactivate local users", channel.json_body["error"])

    def test_deactivate_user_erase_true(self) -> None:
        """
        Test deactivating a user and set `erase` to `true`
        """

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(False, channel.json_body["deactivated"])
        self.assertEqual("foo@bar.com", channel.json_body["threepids"][0]["address"])
        self.assertEqual("mxc://servername/mediaid", channel.json_body["avatar_url"])
        self.assertEqual("User1", channel.json_body["displayname"])
        self.assertFalse(channel.json_body["erased"])

        # Deactivate and erase user
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"erase": True},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(True, channel.json_body["deactivated"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self.assertIsNone(channel.json_body["avatar_url"])
        self.assertIsNone(channel.json_body["displayname"])
        self.assertTrue(channel.json_body["erased"])

        self._is_erased("@user:test", True)

    @override_config({"max_avatar_size": 1234})
    def test_deactivate_user_erase_true_avatar_nonnull_but_empty(self) -> None:
        """Check we can erase a user whose avatar is the empty string.

        Reproduces https://github.com/matrix-org/synapse/issues/12257.
        """
        # Patch `self.other_user` to have an empty string as their avatar.
        self.get_success(
            self.store.set_profile_avatar_url(UserID.from_string("@user:test"), "")
        )

        # Check we can still erase them.
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"erase": True},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self._is_erased("@user:test", True)

    def test_deactivate_user_erase_false(self) -> None:
        """
        Test deactivating a user and set `erase` to `false`
        """

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(False, channel.json_body["deactivated"])
        self.assertEqual("foo@bar.com", channel.json_body["threepids"][0]["address"])
        self.assertEqual("mxc://servername/mediaid", channel.json_body["avatar_url"])
        self.assertEqual("User1", channel.json_body["displayname"])

        # Deactivate user
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"erase": False},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(True, channel.json_body["deactivated"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self.assertEqual("mxc://servername/mediaid", channel.json_body["avatar_url"])
        self.assertEqual("User1", channel.json_body["displayname"])

        self._is_erased("@user:test", False)

    def test_deactivate_user_erase_true_no_profile(self) -> None:
        """
        Test deactivating a user and set `erase` to `true`
        if user has no profile information (stored in the database table `profiles`).
        """

        # Users normally have an entry in `profiles`, but occasionally they are created without one.
        # To test deactivation for users without a profile, we delete the profile information for our user.
        self.get_success(
            self.store.db_pool.simple_delete_one(
                table="profiles", keyvalues={"full_user_id": "@user:test"}
            )
        )

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(False, channel.json_body["deactivated"])
        self.assertEqual("foo@bar.com", channel.json_body["threepids"][0]["address"])
        self.assertIsNone(channel.json_body["avatar_url"])
        self.assertIsNone(channel.json_body["displayname"])

        # Deactivate and erase user
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"erase": True},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(True, channel.json_body["deactivated"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self.assertIsNone(channel.json_body["avatar_url"])
        self.assertIsNone(channel.json_body["displayname"])

        self._is_erased("@user:test", True)

    def _is_erased(self, user_id: str, expect: bool) -> None:
        """Assert that the user is erased or not"""
        d = self.store.is_user_erased(user_id)
        if expect:
            self.assertTrue(self.get_success(d))
        else:
            self.assertFalse(self.get_success(d))


class UserRestTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
        sync.register_servlets,
        register.register_servlets,
        user_directory.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main
        self.auth_handler = hs.get_auth_handler()

        # create users and get access tokens
        # regardless of whether password login or SSO is allowed
        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.get_success(
            self.auth_handler.create_access_token_for_user_id(
                self.admin_user, device_id=None, valid_until_ms=None
            )
        )

        self.other_user = self.register_user("user", "pass", displayname="User")
        self.other_user_token = self.get_success(
            self.auth_handler.create_access_token_for_user_id(
                self.other_user, device_id=None, valid_until_ms=None
            )
        )

        self.non_ascii_displayname = "ąćęłńóśżźäöüß中国日本"
        self.non_ascii_user = self.register_user(
            "nonascii", "nonascii", displayname=self.non_ascii_displayname
        )

        self.url_prefix = "/_synapse/admin/v2/users/%s"
        self.url_other_user = self.url_prefix % self.other_user
        self.url_non_ascii_user = (
            "/_synapse/admin/v2/users?name=%s"
            % urllib.parse.quote(self.non_ascii_displayname)
        )

    def test_requester_is_no_admin(self) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        url = self.url_prefix % "@bob:test"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.other_user_token,
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual("You are not a server admin", channel.json_body["error"])

        channel = self.make_request(
            "PUT",
            url,
            access_token=self.other_user_token,
            content=b"{}",
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual("You are not a server admin", channel.json_body["error"])

    def test_user_does_not_exist(self) -> None:
        """
        Tests that a lookup for a user that does not exist returns a 404
        """

        channel = self.make_request(
            "GET",
            self.url_prefix % "@unknown_person:test",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual("M_NOT_FOUND", channel.json_body["errcode"])

    def test_invalid_parameter(self) -> None:
        """
        If parameters are invalid, an error is returned.
        """

        # admin not bool
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"admin": "not_bool"},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.BAD_JSON, channel.json_body["errcode"])

        # deactivated not bool
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": "not_bool"},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.UNKNOWN, channel.json_body["errcode"])

        # password not str
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"password": True},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.UNKNOWN, channel.json_body["errcode"])

        # password not length
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"password": "x" * 513},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.UNKNOWN, channel.json_body["errcode"])

        # user_type not valid
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"user_type": "new type"},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.UNKNOWN, channel.json_body["errcode"])

        # external_ids not valid
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "external_ids": {"auth_provider": "prov", "wrong_external_id": "id"}
            },
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_PARAM, channel.json_body["errcode"])

        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"external_ids": {"external_id": "id"}},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_PARAM, channel.json_body["errcode"])

        # threepids not valid
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"threepids": {"medium": "email", "wrong_address": "id"}},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_PARAM, channel.json_body["errcode"])

        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"threepids": {"address": "value"}},
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_PARAM, channel.json_body["errcode"])

    def test_get_user(self) -> None:
        """
        Test a simple get of a user.
        """
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual("User", channel.json_body["displayname"])
        self._check_fields(channel.json_body)

    def test_get_user_nonascii_displayname(self) -> None:
        """
        Test get user by non-ascii display name
        """
        channel = self.make_request(
            "GET",
            self.url_non_ascii_user,
            access_token=self.admin_user_tok,
        )

        users = {user["name"]: user for user in channel.json_body["users"]}
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIn(self.non_ascii_user, users, channel.json_body["users"])

    def test_create_server_admin(self) -> None:
        """
        Check that a new admin user is created successfully.
        """
        url = self.url_prefix % "@bob:test"

        # Create user (server admin)
        body = {
            "password": "abc123",
            "admin": True,
            "displayname": "Bob's name",
            "threepids": [{"medium": "email", "address": "bob@bob.bob"}],
            "avatar_url": "mxc://fibble/wibble",
        }

        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content=body,
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("Bob's name", channel.json_body["displayname"])
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob@bob.bob", channel.json_body["threepids"][0]["address"])
        self.assertTrue(channel.json_body["admin"])
        self.assertEqual("mxc://fibble/wibble", channel.json_body["avatar_url"])
        self._check_fields(channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("Bob's name", channel.json_body["displayname"])
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob@bob.bob", channel.json_body["threepids"][0]["address"])
        self.assertTrue(channel.json_body["admin"])
        self.assertFalse(channel.json_body["is_guest"])
        self.assertFalse(channel.json_body["deactivated"])
        self.assertEqual("mxc://fibble/wibble", channel.json_body["avatar_url"])
        self._check_fields(channel.json_body)

    def test_create_user(self) -> None:
        """
        Check that a new regular user is created successfully.
        """
        url = self.url_prefix % "@bob:test"

        # Create user
        body = {
            "password": "abc123",
            "admin": False,
            "displayname": "Bob's name",
            "threepids": [{"medium": "email", "address": "bob@bob.bob"}],
            "external_ids": [
                {
                    "external_id": "external_id1",
                    "auth_provider": "auth_provider1",
                },
            ],
            "avatar_url": "mxc://fibble/wibble",
        }

        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content=body,
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("Bob's name", channel.json_body["displayname"])
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob@bob.bob", channel.json_body["threepids"][0]["address"])
        self.assertEqual(1, len(channel.json_body["threepids"]))
        self.assertEqual(
            "external_id1", channel.json_body["external_ids"][0]["external_id"]
        )
        self.assertEqual(
            "auth_provider1", channel.json_body["external_ids"][0]["auth_provider"]
        )
        self.assertEqual(1, len(channel.json_body["external_ids"]))
        self.assertFalse(channel.json_body["admin"])
        self.assertEqual("mxc://fibble/wibble", channel.json_body["avatar_url"])
        self._check_fields(channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("Bob's name", channel.json_body["displayname"])
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob@bob.bob", channel.json_body["threepids"][0]["address"])
        self.assertFalse(channel.json_body["admin"])
        self.assertFalse(channel.json_body["is_guest"])
        self.assertFalse(channel.json_body["deactivated"])
        self.assertFalse(channel.json_body["shadow_banned"])
        self.assertEqual("mxc://fibble/wibble", channel.json_body["avatar_url"])
        self._check_fields(channel.json_body)

    @override_config(
        {"limit_usage_by_mau": True, "max_mau_value": 2, "mau_trial_days": 0}
    )
    def test_create_user_mau_limit_reached_active_admin(self) -> None:
        """
        Check that an admin can register a new user via the admin API
        even if the MAU limit is reached.
        Admin user was active before creating user.
        """

        handler = self.hs.get_registration_handler()

        # Sync to set admin user to active
        # before limit of monthly active users is reached
        channel = self.make_request("GET", "/sync", access_token=self.admin_user_tok)

        if channel.code != 200:
            raise HttpResponseException(
                channel.code, channel.result["reason"], channel.result["body"]
            )

        # Set monthly active users to the limit
        self.store.get_monthly_active_count = AsyncMock(
            return_value=self.hs.config.server.max_mau_value
        )
        # Check that the blocking of monthly active users is working as expected
        # The registration of a new user fails due to the limit
        self.get_failure(
            handler.register_user(localpart="local_part"), ResourceLimitError
        )

        # Register new user with admin API
        url = self.url_prefix % "@bob:test"

        # Create user
        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content={"password": "abc123", "admin": False},
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["admin"])

    @override_config(
        {"limit_usage_by_mau": True, "max_mau_value": 2, "mau_trial_days": 0}
    )
    def test_create_user_mau_limit_reached_passive_admin(self) -> None:
        """
        Check that an admin can register a new user via the admin API
        even if the MAU limit is reached.
        Admin user was not active before creating user.
        """

        handler = self.hs.get_registration_handler()

        # Set monthly active users to the limit
        self.store.get_monthly_active_count = AsyncMock(
            return_value=self.hs.config.server.max_mau_value
        )
        # Check that the blocking of monthly active users is working as expected
        # The registration of a new user fails due to the limit
        self.get_failure(
            handler.register_user(localpart="local_part"), ResourceLimitError
        )

        # Register new user with admin API
        url = self.url_prefix % "@bob:test"

        # Create user
        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content={"password": "abc123", "admin": False},
        )

        # Admin user is not blocked by mau anymore
        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["admin"])

    @override_config(
        {
            "email": {
                "enable_notifs": True,
                "notif_for_new_users": True,
                "notif_from": "test@example.com",
            },
            "public_baseurl": "https://example.com",
        }
    )
    def test_create_user_email_notif_for_new_users(self) -> None:
        """
        Check that a new regular user is created successfully and
        got an email pusher.
        """
        url = self.url_prefix % "@bob:test"

        # Create user
        body = {
            "password": "abc123",
            # Note that the given email is not in canonical form.
            "threepids": [{"medium": "email", "address": "Bob@bob.bob"}],
        }

        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content=body,
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob@bob.bob", channel.json_body["threepids"][0]["address"])

        pushers = list(
            self.get_success(self.store.get_pushers_by({"user_name": "@bob:test"}))
        )
        self.assertEqual(len(pushers), 1)
        self.assertEqual("@bob:test", pushers[0].user_name)

    @override_config(
        {
            "email": {
                "enable_notifs": False,
                "notif_for_new_users": False,
                "notif_from": "test@example.com",
            },
            "public_baseurl": "https://example.com",
        }
    )
    def test_create_user_email_no_notif_for_new_users(self) -> None:
        """
        Check that a new regular user is created successfully and
        got not an email pusher.
        """
        url = self.url_prefix % "@bob:test"

        # Create user
        body = {
            "password": "abc123",
            "threepids": [{"medium": "email", "address": "bob@bob.bob"}],
        }

        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content=body,
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob@bob.bob", channel.json_body["threepids"][0]["address"])

        pushers = list(
            self.get_success(self.store.get_pushers_by({"user_name": "@bob:test"}))
        )
        self.assertEqual(len(pushers), 0)

    @override_config(
        {
            "email": {
                "enable_notifs": True,
                "notif_for_new_users": True,
                "notif_from": "test@example.com",
            },
            "public_baseurl": "https://example.com",
        }
    )
    def test_create_user_email_notif_for_new_users_with_msisdn_threepid(self) -> None:
        """
        Check that a new regular user is created successfully when they have a msisdn
        threepid and email notif_for_new_users is set to True.
        """
        url = self.url_prefix % "@bob:test"

        # Create user
        body = {
            "password": "abc123",
            "threepids": [{"medium": "msisdn", "address": "1234567890"}],
        }

        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content=body,
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("msisdn", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("1234567890", channel.json_body["threepids"][0]["address"])

    def test_set_password(self) -> None:
        """
        Test setting a new password for another user.
        """

        # Change password
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"password": "hahaha"},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self._check_fields(channel.json_body)

    def test_set_displayname(self) -> None:
        """
        Test setting the displayname of another user.
        """

        # Modify user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"displayname": "foobar"},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual("foobar", channel.json_body["displayname"])

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual("foobar", channel.json_body["displayname"])

    def test_set_threepid(self) -> None:
        """
        Test setting threepid for an other user.
        """

        # Add two threepids to user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "threepids": [
                    {"medium": "email", "address": "bob1@bob.bob"},
                    {"medium": "email", "address": "bob2@bob.bob"},
                ],
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["threepids"]))
        # result does not always have the same sort order, therefore it becomes sorted
        sorted_result = sorted(
            channel.json_body["threepids"], key=lambda k: k["address"]
        )
        self.assertEqual("email", sorted_result[0]["medium"])
        self.assertEqual("bob1@bob.bob", sorted_result[0]["address"])
        self.assertEqual("email", sorted_result[1]["medium"])
        self.assertEqual("bob2@bob.bob", sorted_result[1]["address"])
        self._check_fields(channel.json_body)

        # Set a new and remove a threepid
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "threepids": [
                    {"medium": "email", "address": "bob2@bob.bob"},
                    {"medium": "email", "address": "bob3@bob.bob"},
                ],
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["threepids"]))
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob2@bob.bob", channel.json_body["threepids"][0]["address"])
        self.assertEqual("email", channel.json_body["threepids"][1]["medium"])
        self.assertEqual("bob3@bob.bob", channel.json_body["threepids"][1]["address"])
        self._check_fields(channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["threepids"]))
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob2@bob.bob", channel.json_body["threepids"][0]["address"])
        self.assertEqual("email", channel.json_body["threepids"][1]["medium"])
        self.assertEqual("bob3@bob.bob", channel.json_body["threepids"][1]["address"])
        self._check_fields(channel.json_body)

        # Remove threepids
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"threepids": []},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self._check_fields(channel.json_body)

    def test_set_duplicate_threepid(self) -> None:
        """
        Test setting the same threepid for a second user.
        First user loses and second user gets mapping of this threepid.
        """

        # create a user to set a threepid
        first_user = self.register_user("first_user", "pass")
        url_first_user = self.url_prefix % first_user

        # Add threepid to first user
        channel = self.make_request(
            "PUT",
            url_first_user,
            access_token=self.admin_user_tok,
            content={
                "threepids": [
                    {"medium": "email", "address": "bob1@bob.bob"},
                ],
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(first_user, channel.json_body["name"])
        self.assertEqual(1, len(channel.json_body["threepids"]))
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob1@bob.bob", channel.json_body["threepids"][0]["address"])
        self._check_fields(channel.json_body)

        # Add threepids to other user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "threepids": [
                    {"medium": "email", "address": "bob2@bob.bob"},
                ],
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(1, len(channel.json_body["threepids"]))
        self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
        self.assertEqual("bob2@bob.bob", channel.json_body["threepids"][0]["address"])
        self._check_fields(channel.json_body)

        # Add two new threepids to other user
        # one is used by first_user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "threepids": [
                    {"medium": "email", "address": "bob1@bob.bob"},
                    {"medium": "email", "address": "bob3@bob.bob"},
                ],
            },
        )

        # other user has this two threepids
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["threepids"]))
        # result does not always have the same sort order, therefore it becomes sorted
        sorted_result = sorted(
            channel.json_body["threepids"], key=lambda k: k["address"]
        )
        self.assertEqual("email", sorted_result[0]["medium"])
        self.assertEqual("bob1@bob.bob", sorted_result[0]["address"])
        self.assertEqual("email", sorted_result[1]["medium"])
        self.assertEqual("bob3@bob.bob", sorted_result[1]["address"])
        self._check_fields(channel.json_body)

        # first_user has no threepid anymore
        channel = self.make_request(
            "GET",
            url_first_user,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(first_user, channel.json_body["name"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self._check_fields(channel.json_body)

    def test_set_external_id(self) -> None:
        """
        Test setting external id for an other user.
        """

        # Add two external_ids
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "external_ids": [
                    {
                        "external_id": "external_id1",
                        "auth_provider": "auth_provider1",
                    },
                    {
                        "external_id": "external_id2",
                        "auth_provider": "auth_provider2",
                    },
                ]
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["external_ids"]))
        # result does not always have the same sort order, therefore it becomes sorted
        self.assertEqual(
            sorted(channel.json_body["external_ids"], key=lambda k: k["auth_provider"]),
            [
                {"auth_provider": "auth_provider1", "external_id": "external_id1"},
                {"auth_provider": "auth_provider2", "external_id": "external_id2"},
            ],
        )
        self._check_fields(channel.json_body)

        # Set a new and remove an external_id
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "external_ids": [
                    {
                        "external_id": "external_id2",
                        "auth_provider": "auth_provider2",
                    },
                    {
                        "external_id": "external_id3",
                        "auth_provider": "auth_provider3",
                    },
                ]
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["external_ids"]))
        self.assertEqual(
            channel.json_body["external_ids"],
            [
                {"auth_provider": "auth_provider2", "external_id": "external_id2"},
                {"auth_provider": "auth_provider3", "external_id": "external_id3"},
            ],
        )
        self._check_fields(channel.json_body)

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(2, len(channel.json_body["external_ids"]))
        self.assertEqual(
            channel.json_body["external_ids"],
            [
                {"auth_provider": "auth_provider2", "external_id": "external_id2"},
                {"auth_provider": "auth_provider3", "external_id": "external_id3"},
            ],
        )
        self._check_fields(channel.json_body)

        # Remove external_ids
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"external_ids": []},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(0, len(channel.json_body["external_ids"]))

    def test_set_duplicate_external_id(self) -> None:
        """
        Test that setting the same external id for a second user fails and
        external id from user must not be changed.
        """

        # create a user to use an external id
        first_user = self.register_user("first_user", "pass")
        url_first_user = self.url_prefix % first_user

        # Add an external id to first user
        channel = self.make_request(
            "PUT",
            url_first_user,
            access_token=self.admin_user_tok,
            content={
                "external_ids": [
                    {
                        "external_id": "external_id1",
                        "auth_provider": "auth_provider",
                    },
                ],
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(first_user, channel.json_body["name"])
        self.assertEqual(1, len(channel.json_body["external_ids"]))
        self.assertEqual(
            "external_id1", channel.json_body["external_ids"][0]["external_id"]
        )
        self.assertEqual(
            "auth_provider", channel.json_body["external_ids"][0]["auth_provider"]
        )
        self._check_fields(channel.json_body)

        # Add an external id to other user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "external_ids": [
                    {
                        "external_id": "external_id2",
                        "auth_provider": "auth_provider",
                    },
                ],
            },
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(1, len(channel.json_body["external_ids"]))
        self.assertEqual(
            "external_id2", channel.json_body["external_ids"][0]["external_id"]
        )
        self.assertEqual(
            "auth_provider", channel.json_body["external_ids"][0]["auth_provider"]
        )
        self._check_fields(channel.json_body)

        # Add two new external_ids to other user
        # one is used by first
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={
                "external_ids": [
                    {
                        "external_id": "external_id1",
                        "auth_provider": "auth_provider",
                    },
                    {
                        "external_id": "external_id3",
                        "auth_provider": "auth_provider",
                    },
                ],
            },
        )

        # must fail
        self.assertEqual(409, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.UNKNOWN, channel.json_body["errcode"])
        self.assertEqual("External id is already in use.", channel.json_body["error"])

        # other user must not changed
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(1, len(channel.json_body["external_ids"]))
        self.assertEqual(
            "external_id2", channel.json_body["external_ids"][0]["external_id"]
        )
        self.assertEqual(
            "auth_provider", channel.json_body["external_ids"][0]["auth_provider"]
        )
        self._check_fields(channel.json_body)

        # first user must not changed
        channel = self.make_request(
            "GET",
            url_first_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(first_user, channel.json_body["name"])
        self.assertEqual(1, len(channel.json_body["external_ids"]))
        self.assertEqual(
            "external_id1", channel.json_body["external_ids"][0]["external_id"]
        )
        self.assertEqual(
            "auth_provider", channel.json_body["external_ids"][0]["auth_provider"]
        )
        self._check_fields(channel.json_body)

    def test_deactivate_user(self) -> None:
        """
        Test deactivating another user.
        """

        # set attributes for user
        self.get_success(
            self.store.set_profile_avatar_url(
                UserID.from_string("@user:test"), "mxc://servername/mediaid"
            )
        )
        self.get_success(
            self.store.user_add_threepid("@user:test", "email", "foo@bar.com", 0, 0)
        )

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["deactivated"])
        self.assertEqual("foo@bar.com", channel.json_body["threepids"][0]["address"])
        self.assertEqual("mxc://servername/mediaid", channel.json_body["avatar_url"])
        self.assertEqual("User", channel.json_body["displayname"])

        # Deactivate user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": True},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertTrue(channel.json_body["deactivated"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self.assertEqual("mxc://servername/mediaid", channel.json_body["avatar_url"])
        self.assertEqual("User", channel.json_body["displayname"])

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

        # the user is deactivated, the threepid will be deleted

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertTrue(channel.json_body["deactivated"])
        self.assertEqual(0, len(channel.json_body["threepids"]))
        self.assertEqual("mxc://servername/mediaid", channel.json_body["avatar_url"])
        self.assertEqual("User", channel.json_body["displayname"])

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

    def test_locked_user(self) -> None:
        # User can sync
        channel = self.make_request(
            "GET",
            "/_matrix/client/v3/sync",
            access_token=self.other_user_token,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Lock user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"locked": True},
        )

        # User is not authorized to sync anymore
        channel = self.make_request(
            "GET",
            "/_matrix/client/v3/sync",
            access_token=self.other_user_token,
        )
        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.USER_LOCKED, channel.json_body["errcode"])
        self.assertTrue(channel.json_body["soft_logout"])

    @override_config({"user_directory": {"enabled": True, "search_all_users": True}})
    def test_locked_user_not_in_user_dir(self) -> None:
        # User is available in the user dir
        channel = self.make_request(
            "POST",
            "/_matrix/client/v3/user_directory/search",
            {"search_term": self.other_user},
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIn("results", channel.json_body)
        self.assertEqual(1, len(channel.json_body["results"]))

        # Lock user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"locked": True},
        )

        # User is not available anymore in the user dir
        channel = self.make_request(
            "POST",
            "/_matrix/client/v3/user_directory/search",
            {"search_term": self.other_user},
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIn("results", channel.json_body)
        self.assertEqual(0, len(channel.json_body["results"]))

    @override_config(
        {
            "user_directory": {
                "enabled": True,
                "search_all_users": True,
                "show_locked_users": True,
            }
        }
    )
    def test_locked_user_in_user_dir_with_show_locked_users_option(self) -> None:
        # User is available in the user dir
        channel = self.make_request(
            "POST",
            "/_matrix/client/v3/user_directory/search",
            {"search_term": self.other_user},
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIn("results", channel.json_body)
        self.assertEqual(1, len(channel.json_body["results"]))

        # Lock user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"locked": True},
        )

        # User is still available in the user dir
        channel = self.make_request(
            "POST",
            "/_matrix/client/v3/user_directory/search",
            {"search_term": self.other_user},
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIn("results", channel.json_body)
        self.assertEqual(1, len(channel.json_body["results"]))

    @override_config({"user_directory": {"enabled": True, "search_all_users": True}})
    def test_change_name_deactivate_user_user_directory(self) -> None:
        """
        Test change profile information of a deactivated user and
        check that it does not appear in user directory
        """

        # is in user directory
        profile = self.get_success(self.store._get_user_in_directory(self.other_user))
        assert profile is not None
        self.assertEqual(profile[0], "User")

        # Deactivate user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": True},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertTrue(channel.json_body["deactivated"])

        # is not in user directory
        profile = self.get_success(self.store._get_user_in_directory(self.other_user))
        self.assertIsNone(profile)

        # Set new displayname user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"displayname": "Foobar"},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertTrue(channel.json_body["deactivated"])
        self.assertEqual("Foobar", channel.json_body["displayname"])

        # is not in user directory
        profile = self.get_success(self.store._get_user_in_directory(self.other_user))
        self.assertIsNone(profile)

    def test_reactivate_user_with_password(self) -> None:
        """
        Test reactivating another user.
        """

        # Deactivate the user.
        self._deactivate_user("@user:test")

        # Reactivate the user with password.
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": False, "password": "foo"},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["deactivated"])
        self._is_erased("@user:test", False)

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

    def test_reactivate_user_without_password(self) -> None:
        """
        Test reactivating another user without a password.
        This can be using some local users and some user with SSO (password = `null`).
        """

        # Deactivate the user.
        self._deactivate_user("@user:test")

        # Reactivate the user without a password.
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": False},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["deactivated"])
        self._is_erased("@user:test", False)

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

    @override_config({"password_config": {"localdb_enabled": False}})
    def test_reactivate_user_localdb_disabled(self) -> None:
        """
        Test reactivating another user when using SSO.
        """

        # Deactivate the user.
        self._deactivate_user("@user:test")

        # Reactivate the user with a password.
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": False, "password": "foo"},
        )
        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

        # Reactivate the user without a password.
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": False},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["deactivated"])
        self._is_erased("@user:test", False)

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

    @override_config({"password_config": {"enabled": False}})
    def test_reactivate_user_password_disabled(self) -> None:
        """
        Test reactivating another user when using SSO.
        """

        # Deactivate the user.
        self._deactivate_user("@user:test")

        # Reactivate the user with a password.
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": False, "password": "foo"},
        )
        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

        # Reactivate the user without a password.
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"deactivated": False},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertFalse(channel.json_body["deactivated"])
        self._is_erased("@user:test", False)

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

    def test_set_user_as_admin(self) -> None:
        """
        Test setting the admin flag on a user.
        """

        # Set a user as an admin
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"admin": True},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertTrue(channel.json_body["admin"])

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertTrue(channel.json_body["admin"])

    def test_set_user_type(self) -> None:
        """
        Test changing user type.
        """

        # Set to support type
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"user_type": UserTypes.SUPPORT},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(UserTypes.SUPPORT, channel.json_body["user_type"])

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertEqual(UserTypes.SUPPORT, channel.json_body["user_type"])

        # Change back to a regular user
        channel = self.make_request(
            "PUT",
            self.url_other_user,
            access_token=self.admin_user_tok,
            content={"user_type": None},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertIsNone(channel.json_body["user_type"])

        # Get user
        channel = self.make_request(
            "GET",
            self.url_other_user,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@user:test", channel.json_body["name"])
        self.assertIsNone(channel.json_body["user_type"])

    def test_accidental_deactivation_prevention(self) -> None:
        """
        Ensure an account can't accidentally be deactivated by using a str value
        for the deactivated body parameter
        """
        url = self.url_prefix % "@bob:test"

        # Create user
        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content={"password": "abc123"},
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("bob", channel.json_body["displayname"])

        # Get user
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("bob", channel.json_body["displayname"])
        self.assertEqual(0, channel.json_body["deactivated"])

        # Change password (and use a str for deactivate instead of a bool)
        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content={"password": "abc123", "deactivated": "false"},
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)

        # Check user is not deactivated
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual("bob", channel.json_body["displayname"])

        # Ensure they're still alive
        self.assertEqual(0, channel.json_body["deactivated"])

    @override_config(
        {
            "experimental_features": {
                "msc3866": {
                    "enabled": True,
                    "require_approval_for_new_accounts": True,
                }
            }
        }
    )
    def test_approve_account(self) -> None:
        """Tests that approving an account correctly sets the approved flag for the user."""
        url = self.url_prefix % "@bob:test"

        # Create the user using the client-server API since otherwise the user will be
        # marked as approved automatically.
        channel = self.make_request(
            "POST",
            "register",
            {
                "username": "bob",
                "password": "test",
                "auth": {"type": LoginType.DUMMY},
            },
        )
        self.assertEqual(403, channel.code, channel.result)
        self.assertEqual(Codes.USER_AWAITING_APPROVAL, channel.json_body["errcode"])
        self.assertEqual(
            ApprovalNoticeMedium.NONE, channel.json_body["approval_notice_medium"]
        )

        # Get user
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIs(False, channel.json_body["approved"])

        # Approve user
        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content={"approved": True},
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIs(True, channel.json_body["approved"])

        # Check that the user is now approved
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertIs(True, channel.json_body["approved"])

    @override_config(
        {
            "experimental_features": {
                "msc3866": {
                    "enabled": True,
                    "require_approval_for_new_accounts": True,
                }
            }
        }
    )
    def test_register_approved(self) -> None:
        url = self.url_prefix % "@bob:test"

        # Create user
        channel = self.make_request(
            "PUT",
            url,
            access_token=self.admin_user_tok,
            content={"password": "abc123", "approved": True},
        )

        self.assertEqual(201, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual(1, channel.json_body["approved"])

        # Get user
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual("@bob:test", channel.json_body["name"])
        self.assertEqual(1, channel.json_body["approved"])

    def _is_erased(self, user_id: str, expect: bool) -> None:
        """Assert that the user is erased or not"""
        d = self.store.is_user_erased(user_id)
        if expect:
            self.assertTrue(self.get_success(d))
        else:
            self.assertFalse(self.get_success(d))

    def _deactivate_user(self, user_id: str) -> None:
        """Deactivate user and set as erased"""

        # Deactivate the user.
        channel = self.make_request(
            "PUT",
            self.url_prefix % urllib.parse.quote(user_id),
            access_token=self.admin_user_tok,
            content={"deactivated": True},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertTrue(channel.json_body["deactivated"])
        self._is_erased(user_id, False)
        d = self.store.mark_user_erased(user_id)
        self.assertIsNone(self.get_success(d))
        self._is_erased(user_id, True)

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", channel.json_body)

    def _check_fields(self, content: JsonDict) -> None:
        """Checks that the expected user attributes are present in content

        Args:
            content: Content dictionary to check
        """
        self.assertIn("displayname", content)
        self.assertIn("threepids", content)
        self.assertIn("avatar_url", content)
        self.assertIn("admin", content)
        self.assertIn("deactivated", content)
        self.assertIn("erased", content)
        self.assertIn("shadow_banned", content)
        self.assertIn("creation_ts", content)
        self.assertIn("appservice_id", content)
        self.assertIn("consent_server_notice_sent", content)
        self.assertIn("consent_version", content)
        self.assertIn("consent_ts", content)
        self.assertIn("external_ids", content)
        self.assertIn("last_seen_ts", content)

        # This key was removed intentionally. Ensure it is not accidentally re-included.
        self.assertNotIn("password_hash", content)


class UserMembershipRestTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
        room.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.url = "/_synapse/admin/v1/users/%s/joined_rooms" % urllib.parse.quote(
            self.other_user
        )

    def test_no_auth(self) -> None:
        """
        Try to list rooms of an user without authentication.
        """
        channel = self.make_request("GET", self.url, b"{}")

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_requester_is_no_admin(self) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        other_user_token = self.login("user", "pass")

        channel = self.make_request(
            "GET",
            self.url,
            access_token=other_user_token,
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    def test_user_does_not_exist(self) -> None:
        """
        Tests that a lookup for a user that does not exist returns an empty list
        """
        url = "/_synapse/admin/v1/users/@unknown_person:test/joined_rooms"
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["total"])
        self.assertEqual(0, len(channel.json_body["joined_rooms"]))

    def test_user_is_not_local(self) -> None:
        """
        Tests that a lookup for a user that is not a local and participates in no conversation returns an empty list
        """
        url = "/_synapse/admin/v1/users/@unknown_person:unknown_domain/joined_rooms"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["total"])
        self.assertEqual(0, len(channel.json_body["joined_rooms"]))

    def test_no_memberships(self) -> None:
        """
        Tests that a normal lookup for rooms is successfully
        if user has no memberships
        """
        # Get rooms
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["total"])
        self.assertEqual(0, len(channel.json_body["joined_rooms"]))

    def test_get_rooms(self) -> None:
        """
        Tests that a normal lookup for rooms is successfully
        """
        # Create rooms and join
        other_user_tok = self.login("user", "pass")
        number_rooms = 5
        for _ in range(number_rooms):
            self.helper.create_room_as(self.other_user, tok=other_user_tok)

        # Get rooms
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(number_rooms, channel.json_body["total"])
        self.assertEqual(number_rooms, len(channel.json_body["joined_rooms"]))

    def test_get_rooms_with_nonlocal_user(self) -> None:
        """
        Tests that a normal lookup for rooms is successful with a non-local user
        """

        other_user_tok = self.login("user", "pass")
        event_builder_factory = self.hs.get_event_builder_factory()
        event_creation_handler = self.hs.get_event_creation_handler()
        persistence = self.hs.get_storage_controllers().persistence
        assert persistence is not None

        # Create two rooms, one with a local user only and one with both a local
        # and remote user.
        self.helper.create_room_as(self.other_user, tok=other_user_tok)
        local_and_remote_room_id = self.helper.create_room_as(
            self.other_user, tok=other_user_tok
        )

        # Add a remote user to the room.
        builder = event_builder_factory.for_room_version(
            RoomVersions.V1,
            {
                "type": "m.room.member",
                "sender": "@joiner:remote_hs",
                "state_key": "@joiner:remote_hs",
                "room_id": local_and_remote_room_id,
                "content": {"membership": "join"},
            },
        )

        event, unpersisted_context = self.get_success(
            event_creation_handler.create_new_client_event(builder)
        )

        context = self.get_success(unpersisted_context.persist(event))

        self.get_success(persistence.persist_event(event, context))

        # Now get rooms
        url = "/_synapse/admin/v1/users/@joiner:remote_hs/joined_rooms"
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(1, channel.json_body["total"])
        self.assertEqual([local_and_remote_room_id], channel.json_body["joined_rooms"])


class PushersRestTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.url = "/_synapse/admin/v1/users/%s/pushers" % urllib.parse.quote(
            self.other_user
        )

    def test_no_auth(self) -> None:
        """
        Try to list pushers of an user without authentication.
        """
        channel = self.make_request("GET", self.url, b"{}")

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_requester_is_no_admin(self) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        other_user_token = self.login("user", "pass")

        channel = self.make_request(
            "GET",
            self.url,
            access_token=other_user_token,
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    def test_user_does_not_exist(self) -> None:
        """
        Tests that a lookup for a user that does not exist returns a 404
        """
        url = "/_synapse/admin/v1/users/@unknown_person:test/pushers"
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    def test_user_is_not_local(self) -> None:
        """
        Tests that a lookup for a user that is not a local returns a 400
        """
        url = "/_synapse/admin/v1/users/@unknown_person:unknown_domain/pushers"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Can only look up local users", channel.json_body["error"])

    def test_get_pushers(self) -> None:
        """
        Tests that a normal lookup for pushers is successfully
        """

        # Get pushers
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["total"])

        # Register the pusher
        other_user_token = self.login("user", "pass")
        user_tuple = self.get_success(
            self.store.get_user_by_access_token(other_user_token)
        )
        assert user_tuple is not None
        device_id = user_tuple.device_id

        self.get_success(
            self.hs.get_pusherpool().add_or_update_pusher(
                user_id=self.other_user,
                device_id=device_id,
                kind="http",
                app_id="m.http",
                app_display_name="HTTP Push Notifications",
                device_display_name="pushy push",
                pushkey="a@example.com",
                lang=None,
                data={"url": "https://example.com/_matrix/push/v1/notify"},
            )
        )

        # Get pushers
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(1, channel.json_body["total"])

        for p in channel.json_body["pushers"]:
            self.assertIn("pushkey", p)
            self.assertIn("kind", p)
            self.assertIn("app_id", p)
            self.assertIn("app_display_name", p)
            self.assertIn("device_display_name", p)
            self.assertIn("profile_tag", p)
            self.assertIn("lang", p)
            self.assertIn("url", p["data"])


class UserMediaRestTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main
        self.filepaths = MediaFilePaths(hs.config.media.media_store_path)

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.url = "/_synapse/admin/v1/users/%s/media" % urllib.parse.quote(
            self.other_user
        )

    def create_resource_dict(self) -> Dict[str, Resource]:
        resources = super().create_resource_dict()
        resources["/_matrix/media"] = self.hs.get_media_repository_resource()
        return resources

    @parameterized.expand(["GET", "DELETE"])
    def test_no_auth(self, method: str) -> None:
        """Try to list media of an user without authentication."""
        channel = self.make_request(method, self.url, {})

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    @parameterized.expand(["GET", "DELETE"])
    def test_requester_is_no_admin(self, method: str) -> None:
        """If the user is not a server admin, an error is returned."""
        other_user_token = self.login("user", "pass")

        channel = self.make_request(
            method,
            self.url,
            access_token=other_user_token,
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    @parameterized.expand(["GET", "DELETE"])
    def test_user_does_not_exist(self, method: str) -> None:
        """Tests that a lookup for a user that does not exist returns a 404"""
        url = "/_synapse/admin/v1/users/@unknown_person:test/media"
        channel = self.make_request(
            method,
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    @parameterized.expand(["GET", "DELETE"])
    def test_user_is_not_local(self, method: str) -> None:
        """Tests that a lookup for a user that is not a local returns a 400"""
        url = "/_synapse/admin/v1/users/@unknown_person:unknown_domain/media"

        channel = self.make_request(
            method,
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Can only look up local users", channel.json_body["error"])

    def test_limit_GET(self) -> None:
        """Testing list of media with limit"""

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "GET",
            self.url + "?limit=5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(len(channel.json_body["media"]), 5)
        self.assertEqual(channel.json_body["next_token"], 5)
        self._check_fields(channel.json_body["media"])

    def test_limit_DELETE(self) -> None:
        """Testing delete of media with limit"""

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "DELETE",
            self.url + "?limit=5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], 5)
        self.assertEqual(len(channel.json_body["deleted_media"]), 5)

    def test_from_GET(self) -> None:
        """Testing list of media with a defined starting point (from)"""

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "GET",
            self.url + "?from=5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(len(channel.json_body["media"]), 15)
        self.assertNotIn("next_token", channel.json_body)
        self._check_fields(channel.json_body["media"])

    def test_from_DELETE(self) -> None:
        """Testing delete of media with a defined starting point (from)"""

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "DELETE",
            self.url + "?from=5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], 15)
        self.assertEqual(len(channel.json_body["deleted_media"]), 15)

    def test_limit_and_from_GET(self) -> None:
        """Testing list of media with a defined starting point and limit"""

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "GET",
            self.url + "?from=5&limit=10",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(channel.json_body["next_token"], 15)
        self.assertEqual(len(channel.json_body["media"]), 10)
        self._check_fields(channel.json_body["media"])

    def test_limit_and_from_DELETE(self) -> None:
        """Testing delete of media with a defined starting point and limit"""

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "DELETE",
            self.url + "?from=5&limit=10",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], 10)
        self.assertEqual(len(channel.json_body["deleted_media"]), 10)

    @parameterized.expand(["GET", "DELETE"])
    def test_invalid_parameter(self, method: str) -> None:
        """If parameters are invalid, an error is returned."""
        # unkown order_by
        channel = self.make_request(
            method,
            self.url + "?order_by=bar",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # invalid search order
        channel = self.make_request(
            method,
            self.url + "?dir=bar",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # negative limit
        channel = self.make_request(
            method,
            self.url + "?limit=-5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # negative from
        channel = self.make_request(
            method,
            self.url + "?from=-5",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

    def test_next_token(self) -> None:
        """
        Testing that `next_token` appears at the right place

        For deleting media `next_token` is not useful, because
        after deleting media the media has a new order.
        """

        number_media = 20
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        #  `next_token` does not appear
        # Number of results is the number of entries
        channel = self.make_request(
            "GET",
            self.url + "?limit=20",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(len(channel.json_body["media"]), number_media)
        self.assertNotIn("next_token", channel.json_body)

        #  `next_token` does not appear
        # Number of max results is larger than the number of entries
        channel = self.make_request(
            "GET",
            self.url + "?limit=21",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(len(channel.json_body["media"]), number_media)
        self.assertNotIn("next_token", channel.json_body)

        #  `next_token` does appear
        # Number of max results is smaller than the number of entries
        channel = self.make_request(
            "GET",
            self.url + "?limit=19",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(len(channel.json_body["media"]), 19)
        self.assertEqual(channel.json_body["next_token"], 19)

        # Check
        # Set `from` to value of `next_token` for request remaining entries
        #  `next_token` does not appear
        channel = self.make_request(
            "GET",
            self.url + "?from=19",
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], number_media)
        self.assertEqual(len(channel.json_body["media"]), 1)
        self.assertNotIn("next_token", channel.json_body)

    def test_user_has_no_media_GET(self) -> None:
        """
        Tests that a normal lookup for media is successfully
        if user has no media created
        """

        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["total"])
        self.assertEqual(0, len(channel.json_body["media"]))

    def test_user_has_no_media_DELETE(self) -> None:
        """
        Tests that a delete is successful if user has no media
        """

        channel = self.make_request(
            "DELETE",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["total"])
        self.assertEqual(0, len(channel.json_body["deleted_media"]))

    def test_get_media(self) -> None:
        """Tests that a normal lookup for media is successful"""

        number_media = 5
        other_user_tok = self.login("user", "pass")
        self._create_media_for_user(other_user_tok, number_media)

        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(number_media, channel.json_body["total"])
        self.assertEqual(number_media, len(channel.json_body["media"]))
        self.assertNotIn("next_token", channel.json_body)
        self._check_fields(channel.json_body["media"])

    def test_delete_media(self) -> None:
        """Tests that a normal delete of media is successful"""

        number_media = 5
        other_user_tok = self.login("user", "pass")
        media_ids = self._create_media_for_user(other_user_tok, number_media)

        # Test if the file exists
        local_paths = []
        for media_id in media_ids:
            local_path = self.filepaths.local_media_filepath(media_id)
            self.assertTrue(os.path.exists(local_path))
            local_paths.append(local_path)

        channel = self.make_request(
            "DELETE",
            self.url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(number_media, channel.json_body["total"])
        self.assertEqual(number_media, len(channel.json_body["deleted_media"]))
        self.assertCountEqual(channel.json_body["deleted_media"], media_ids)

        # Test if the file is deleted
        for local_path in local_paths:
            self.assertFalse(os.path.exists(local_path))

    def test_order_by(self) -> None:
        """
        Testing order list with parameter `order_by`
        """

        other_user_tok = self.login("user", "pass")

        # Resolution: 1×1, MIME type: image/png, Extension: png, Size: 67 B
        image_data1 = SMALL_PNG
        # Resolution: 1×1, MIME type: image/gif, Extension: gif, Size: 35 B
        image_data2 = unhexlify(
            b"47494638376101000100800100000000"
            b"ffffff2c00000000010001000002024c"
            b"01003b"
        )
        # Resolution: 1×1, MIME type: image/bmp, Extension: bmp, Size: 54 B
        image_data3 = unhexlify(
            b"424d3a0000000000000036000000280000000100000001000000"
            b"0100180000000000040000000000000000000000000000000000"
            b"0000"
        )

        # create media and make sure they do not have the same timestamp
        media1 = self._create_media_and_access(other_user_tok, image_data1, "image.png")
        self.pump(1.0)
        media2 = self._create_media_and_access(other_user_tok, image_data2, "image.gif")
        self.pump(1.0)
        media3 = self._create_media_and_access(other_user_tok, image_data3, "image.bmp")
        self.pump(1.0)

        # Mark one media as safe from quarantine.
        self.get_success(self.store.mark_local_media_as_safe(media2))
        # Quarantine one media
        self.get_success(
            self.store.quarantine_media_by_id("test", media3, self.admin_user)
        )

        # order by default ("created_ts")
        # default is backwards
        self._order_test([media3, media2, media1], None)
        self._order_test([media1, media2, media3], None, "f")
        self._order_test([media3, media2, media1], None, "b")

        # sort by media_id
        sorted_media = sorted([media1, media2, media3], reverse=False)
        sorted_media_reverse = sorted(sorted_media, reverse=True)

        # order by media_id
        self._order_test(sorted_media, "media_id")
        self._order_test(sorted_media, "media_id", "f")
        self._order_test(sorted_media_reverse, "media_id", "b")

        # order by upload_name
        self._order_test([media3, media2, media1], "upload_name")
        self._order_test([media3, media2, media1], "upload_name", "f")
        self._order_test([media1, media2, media3], "upload_name", "b")

        # order by media_type
        # result is ordered by media_id
        # because of uploaded media_type is always 'application/json'
        self._order_test(sorted_media, "media_type")
        self._order_test(sorted_media, "media_type", "f")
        self._order_test(sorted_media, "media_type", "b")

        # order by media_length
        self._order_test([media2, media3, media1], "media_length")
        self._order_test([media2, media3, media1], "media_length", "f")
        self._order_test([media1, media3, media2], "media_length", "b")

        # order by created_ts
        self._order_test([media1, media2, media3], "created_ts")
        self._order_test([media1, media2, media3], "created_ts", "f")
        self._order_test([media3, media2, media1], "created_ts", "b")

        # order by last_access_ts
        self._order_test([media1, media2, media3], "last_access_ts")
        self._order_test([media1, media2, media3], "last_access_ts", "f")
        self._order_test([media3, media2, media1], "last_access_ts", "b")

        # order by quarantined_by
        # one media is in quarantine, others are ordered by media_ids

        # Different sort order of SQlite and PostreSQL
        # If a media is not in quarantine `quarantined_by` is NULL
        # SQLite considers NULL to be smaller than any other value.
        # PostreSQL considers NULL to be larger than any other value.

        # self._order_test(sorted([media1, media2]) + [media3], "quarantined_by")
        # self._order_test(sorted([media1, media2]) + [media3], "quarantined_by", "f")
        # self._order_test([media3] + sorted([media1, media2]), "quarantined_by", "b")

        # order by safe_from_quarantine
        # one media is safe from quarantine, others are ordered by media_ids
        self._order_test(sorted([media1, media3]) + [media2], "safe_from_quarantine")
        self._order_test(
            sorted([media1, media3]) + [media2], "safe_from_quarantine", "f"
        )
        self._order_test(
            [media2] + sorted([media1, media3]), "safe_from_quarantine", "b"
        )

    def _create_media_for_user(self, user_token: str, number_media: int) -> List[str]:
        """
        Create a number of media for a specific user
        Args:
            user_token: Access token of the user
            number_media: Number of media to be created for the user
        Returns:
            List of created media ID
        """
        media_ids = []
        for _ in range(number_media):
            media_ids.append(self._create_media_and_access(user_token, SMALL_PNG))

        return media_ids

    def _create_media_and_access(
        self,
        user_token: str,
        image_data: bytes,
        filename: str = "image1.png",
    ) -> str:
        """
        Create one media for a specific user, access and returns `media_id`
        Args:
            user_token: Access token of the user
            image_data: binary data of image
            filename: The filename of the media to be uploaded
        Returns:
            The ID of the newly created media.
        """
        # Upload some media into the room
        response = self.helper.upload_media(
            image_data, user_token, filename, expect_code=200
        )

        # Extract media ID from the response
        server_and_media_id = response["content_uri"][6:]  # Cut off 'mxc://'
        media_id = server_and_media_id.split("/")[1]

        # Try to access a media and to create `last_access_ts`
        channel = self.make_request(
            "GET",
            f"/_matrix/media/v3/download/{server_and_media_id}",
            shorthand=False,
            access_token=user_token,
        )

        self.assertEqual(
            200,
            channel.code,
            msg=(
                f"Expected to receive a 200 on accessing media: {server_and_media_id}"
            ),
        )

        return media_id

    def _check_fields(self, content: List[JsonDict]) -> None:
        """Checks that the expected user attributes are present in content
        Args:
            content: List that is checked for content
        """
        for m in content:
            self.assertIn("media_id", m)
            self.assertIn("media_type", m)
            self.assertIn("media_length", m)
            self.assertIn("upload_name", m)
            self.assertIn("created_ts", m)
            self.assertIn("last_access_ts", m)
            self.assertIn("quarantined_by", m)
            self.assertIn("safe_from_quarantine", m)

    def _order_test(
        self,
        expected_media_list: List[str],
        order_by: Optional[str],
        dir: Optional[str] = None,
    ) -> None:
        """Request the list of media in a certain order. Assert that order is what
        we expect
        Args:
            expected_media_list: The list of media_ids in the order we expect to get
                back from the server
            order_by: The type of ordering to give the server
            dir: The direction of ordering to give the server
        """

        url = self.url + "?"
        if order_by is not None:
            url += f"order_by={order_by}&"
        if dir is not None and dir in ("b", "f"):
            url += f"dir={dir}"
        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(channel.json_body["total"], len(expected_media_list))

        returned_order = [row["media_id"] for row in channel.json_body["media"]]
        self.assertEqual(expected_media_list, returned_order)
        self._check_fields(channel.json_body["media"])


class UserTokenRestTestCase(unittest.HomeserverTestCase):
    """Test for /_synapse/admin/v1/users/<user>/login"""

    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
        sync.register_servlets,
        room.register_servlets,
        devices.register_servlets,
        logout.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.other_user_tok = self.login("user", "pass")
        self.url = "/_synapse/admin/v1/users/%s/login" % urllib.parse.quote(
            self.other_user
        )

    def _get_token(self) -> str:
        channel = self.make_request(
            "POST", self.url, b"{}", access_token=self.admin_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        return channel.json_body["access_token"]

    def test_no_auth(self) -> None:
        """Try to login as a user without authentication."""
        channel = self.make_request("POST", self.url, b"{}")

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_not_admin(self) -> None:
        """Try to login as a user as a non-admin user."""
        channel = self.make_request(
            "POST", self.url, b"{}", access_token=self.other_user_tok
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)

    def test_send_event(self) -> None:
        """Test that sending event as a user works."""
        # Create a room.
        room_id = self.helper.create_room_as(self.other_user, tok=self.other_user_tok)

        # Login in as the user
        puppet_token = self._get_token()

        # Test that sending works, and generates the event as the right user.
        resp = self.helper.send_event(room_id, "com.example.test", tok=puppet_token)
        event_id = resp["event_id"]
        event = self.get_success(self.store.get_event(event_id))
        self.assertEqual(event.sender, self.other_user)

    def test_devices(self) -> None:
        """Tests that logging in as a user doesn't create a new device for them."""
        # Login in as the user
        self._get_token()

        # Check that we don't see a new device in our devices list
        channel = self.make_request(
            "GET", "devices", b"{}", access_token=self.other_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # We should only see the one device (from the login in `prepare`)
        self.assertEqual(len(channel.json_body["devices"]), 1)

    def test_logout(self) -> None:
        """Test that calling `/logout` with the token works."""
        # Login in as the user
        puppet_token = self._get_token()

        # Test that we can successfully make a request
        channel = self.make_request("GET", "devices", b"{}", access_token=puppet_token)
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Logout with the puppet token
        channel = self.make_request("POST", "logout", b"{}", access_token=puppet_token)
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # The puppet token should no longer work
        channel = self.make_request("GET", "devices", b"{}", access_token=puppet_token)
        self.assertEqual(401, channel.code, msg=channel.json_body)

        # .. but the real user's tokens should still work
        channel = self.make_request(
            "GET", "devices", b"{}", access_token=self.other_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

    def test_user_logout_all(self) -> None:
        """Tests that the target user calling `/logout/all` does *not* expire
        the token.
        """
        # Login in as the user
        puppet_token = self._get_token()

        # Test that we can successfully make a request
        channel = self.make_request("GET", "devices", b"{}", access_token=puppet_token)
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Logout all with the real user token
        channel = self.make_request(
            "POST", "logout/all", b"{}", access_token=self.other_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # The puppet token should still work
        channel = self.make_request("GET", "devices", b"{}", access_token=puppet_token)
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # .. but the real user's tokens shouldn't
        channel = self.make_request(
            "GET", "devices", b"{}", access_token=self.other_user_tok
        )
        self.assertEqual(401, channel.code, msg=channel.json_body)

    def test_admin_logout_all(self) -> None:
        """Tests that the admin user calling `/logout/all` does expire the
        token.
        """
        # Login in as the user
        puppet_token = self._get_token()

        # Test that we can successfully make a request
        channel = self.make_request("GET", "devices", b"{}", access_token=puppet_token)
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Logout all with the admin user token
        channel = self.make_request(
            "POST", "logout/all", b"{}", access_token=self.admin_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # The puppet token should no longer work
        channel = self.make_request("GET", "devices", b"{}", access_token=puppet_token)
        self.assertEqual(401, channel.code, msg=channel.json_body)

        # .. but the real user's tokens should still work
        channel = self.make_request(
            "GET", "devices", b"{}", access_token=self.other_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)

    @unittest.override_config(
        {
            "public_baseurl": "https://example.org/",
            "user_consent": {
                "version": "1.0",
                "policy_name": "My Cool Privacy Policy",
                "template_dir": "/",
                "require_at_registration": True,
                "block_events_error": "You should accept the policy",
            },
            "form_secret": "123secret",
        }
    )
    def test_consent(self) -> None:
        """Test that sending a message is not subject to the privacy policies."""
        # Have the admin user accept the terms.
        self.get_success(self.store.user_set_consent_version(self.admin_user, "1.0"))

        # First, cheekily accept the terms and create a room
        self.get_success(self.store.user_set_consent_version(self.other_user, "1.0"))
        room_id = self.helper.create_room_as(self.other_user, tok=self.other_user_tok)
        self.helper.send_event(room_id, "com.example.test", tok=self.other_user_tok)

        # Now unaccept it and check that we can't send an event
        self.get_success(self.store.user_set_consent_version(self.other_user, "0.0"))
        self.helper.send_event(
            room_id,
            "com.example.test",
            tok=self.other_user_tok,
            expect_code=403,
        )

        # Login in as the user
        puppet_token = self._get_token()

        # Sending an event on their behalf should work fine
        self.helper.send_event(room_id, "com.example.test", tok=puppet_token)

    @override_config(
        {"limit_usage_by_mau": True, "max_mau_value": 1, "mau_trial_days": 0}
    )
    def test_mau_limit(self) -> None:
        # Create a room as the admin user. This will bump the monthly active users to 1.
        room_id = self.helper.create_room_as(self.admin_user, tok=self.admin_user_tok)

        # Trying to join as the other user should fail due to reaching MAU limit.
        self.helper.join(
            room_id,
            user=self.other_user,
            tok=self.other_user_tok,
            expect_code=403,
        )

        # Logging in as the other user and joining a room should work, even
        # though the MAU limit would stop the user doing so.
        puppet_token = self._get_token()
        self.helper.join(room_id, user=self.other_user, tok=puppet_token)


@parameterized_class(
    ("url_prefix",),
    [
        ("/_synapse/admin/v1/whois/%s",),
        ("/_matrix/client/r0/admin/whois/%s",),
    ],
)
class WhoisRestTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.url = self.url_prefix % self.other_user  # type: ignore[attr-defined]

    def test_no_auth(self) -> None:
        """
        Try to get information of an user without authentication.
        """
        channel = self.make_request("GET", self.url, b"{}")
        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_requester_is_not_admin(self) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        self.register_user("user2", "pass")
        other_user2_token = self.login("user2", "pass")

        channel = self.make_request(
            "GET",
            self.url,
            access_token=other_user2_token,
        )
        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    def test_user_is_not_local(self) -> None:
        """
        Tests that a lookup for a user that is not a local returns a 400
        """
        url = self.url_prefix % "@unknown_person:unknown_domain"  # type: ignore[attr-defined]

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Can only whois a local user", channel.json_body["error"])

    def test_get_whois_admin(self) -> None:
        """
        The lookup should succeed for an admin.
        """
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(self.other_user, channel.json_body["user_id"])
        self.assertIn("devices", channel.json_body)

    def test_get_whois_user(self) -> None:
        """
        The lookup should succeed for a normal user looking up their own information.
        """
        other_user_token = self.login("user", "pass")

        channel = self.make_request(
            "GET",
            self.url,
            access_token=other_user_token,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(self.other_user, channel.json_body["user_id"])
        self.assertIn("devices", channel.json_body)


class ShadowBanRestTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")

        self.url = "/_synapse/admin/v1/users/%s/shadow_ban" % urllib.parse.quote(
            self.other_user
        )

    @parameterized.expand(["POST", "DELETE"])
    def test_no_auth(self, method: str) -> None:
        """
        Try to get information of an user without authentication.
        """
        channel = self.make_request(method, self.url)
        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    @parameterized.expand(["POST", "DELETE"])
    def test_requester_is_not_admin(self, method: str) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        other_user_token = self.login("user", "pass")

        channel = self.make_request(method, self.url, access_token=other_user_token)
        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    @parameterized.expand(["POST", "DELETE"])
    def test_user_is_not_local(self, method: str) -> None:
        """
        Tests that shadow-banning for a user that is not a local returns a 400
        """
        url = "/_synapse/admin/v1/users/@unknown_person:unknown_domain/shadow_ban"

        channel = self.make_request(method, url, access_token=self.admin_user_tok)
        self.assertEqual(400, channel.code, msg=channel.json_body)

    def test_success(self) -> None:
        """
        Shadow-banning should succeed for an admin.
        """
        # The user starts off as not shadow-banned.
        other_user_token = self.login("user", "pass")
        result = self.get_success(self.store.get_user_by_access_token(other_user_token))
        assert result is not None
        self.assertFalse(result.shadow_banned)

        channel = self.make_request("POST", self.url, access_token=self.admin_user_tok)
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual({}, channel.json_body)

        # Ensure the user is shadow-banned (and the cache was cleared).
        result = self.get_success(self.store.get_user_by_access_token(other_user_token))
        assert result is not None
        self.assertTrue(result.shadow_banned)

        # Un-shadow-ban the user.
        channel = self.make_request(
            "DELETE", self.url, access_token=self.admin_user_tok
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual({}, channel.json_body)

        # Ensure the user is no longer shadow-banned (and the cache was cleared).
        result = self.get_success(self.store.get_user_by_access_token(other_user_token))
        assert result is not None
        self.assertFalse(result.shadow_banned)


class RateLimitTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.url = (
            "/_synapse/admin/v1/users/%s/override_ratelimit"
            % urllib.parse.quote(self.other_user)
        )

    @parameterized.expand(["GET", "POST", "DELETE"])
    def test_no_auth(self, method: str) -> None:
        """
        Try to get information of a user without authentication.
        """
        channel = self.make_request(method, self.url, b"{}")

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    @parameterized.expand(["GET", "POST", "DELETE"])
    def test_requester_is_no_admin(self, method: str) -> None:
        """
        If the user is not a server admin, an error is returned.
        """
        other_user_token = self.login("user", "pass")

        channel = self.make_request(
            method,
            self.url,
            access_token=other_user_token,
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    @parameterized.expand(["GET", "POST", "DELETE"])
    def test_user_does_not_exist(self, method: str) -> None:
        """
        Tests that a lookup for a user that does not exist returns a 404
        """
        url = "/_synapse/admin/v1/users/@unknown_person:test/override_ratelimit"

        channel = self.make_request(
            method,
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    @parameterized.expand(
        [
            ("GET", "Can only look up local users"),
            ("POST", "Only local users can be ratelimited"),
            ("DELETE", "Only local users can be ratelimited"),
        ]
    )
    def test_user_is_not_local(self, method: str, error_msg: str) -> None:
        """
        Tests that a lookup for a user that is not a local returns a 400
        """
        url = (
            "/_synapse/admin/v1/users/@unknown_person:unknown_domain/override_ratelimit"
        )

        channel = self.make_request(
            method,
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(error_msg, channel.json_body["error"])

    def test_invalid_parameter(self) -> None:
        """
        If parameters are invalid, an error is returned.
        """
        # messages_per_second is a string
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"messages_per_second": "string"},
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # messages_per_second is negative
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"messages_per_second": -1},
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # burst_count is a string
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"burst_count": "string"},
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

        # burst_count is negative
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"burst_count": -1},
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.INVALID_PARAM, channel.json_body["errcode"])

    def test_return_zero_when_null(self) -> None:
        """
        If values in database are `null` API should return an int `0`
        """

        self.get_success(
            self.store.db_pool.simple_upsert(
                table="ratelimit_override",
                keyvalues={"user_id": self.other_user},
                values={
                    "messages_per_second": None,
                    "burst_count": None,
                },
            )
        )

        # request status
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(0, channel.json_body["messages_per_second"])
        self.assertEqual(0, channel.json_body["burst_count"])

    def test_success(self) -> None:
        """
        Rate-limiting (set/update/delete) should succeed for an admin.
        """
        # request status
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertNotIn("messages_per_second", channel.json_body)
        self.assertNotIn("burst_count", channel.json_body)

        # set ratelimit
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"messages_per_second": 10, "burst_count": 11},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(10, channel.json_body["messages_per_second"])
        self.assertEqual(11, channel.json_body["burst_count"])

        # update ratelimit
        channel = self.make_request(
            "POST",
            self.url,
            access_token=self.admin_user_tok,
            content={"messages_per_second": 20, "burst_count": 21},
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(20, channel.json_body["messages_per_second"])
        self.assertEqual(21, channel.json_body["burst_count"])

        # request status
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(20, channel.json_body["messages_per_second"])
        self.assertEqual(21, channel.json_body["burst_count"])

        # delete ratelimit
        channel = self.make_request(
            "DELETE",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertNotIn("messages_per_second", channel.json_body)
        self.assertNotIn("burst_count", channel.json_body)

        # request status
        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertNotIn("messages_per_second", channel.json_body)
        self.assertNotIn("burst_count", channel.json_body)


class AccountDataTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.url = f"/_synapse/admin/v1/users/{self.other_user}/accountdata"

    def test_no_auth(self) -> None:
        """Try to get information of a user without authentication."""
        channel = self.make_request("GET", self.url, {})

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_requester_is_no_admin(self) -> None:
        """If the user is not a server admin, an error is returned."""
        other_user_token = self.login("user", "pass")

        channel = self.make_request(
            "GET",
            self.url,
            access_token=other_user_token,
        )

        self.assertEqual(403, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])

    def test_user_does_not_exist(self) -> None:
        """Tests that a lookup for a user that does not exist returns a 404"""
        url = "/_synapse/admin/v1/users/@unknown_person:test/override_ratelimit"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    def test_user_is_not_local(self) -> None:
        """Tests that a lookup for a user that is not a local returns a 400"""
        url = "/_synapse/admin/v1/users/@unknown_person:unknown_domain/accountdata"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(400, channel.code, msg=channel.json_body)
        self.assertEqual("Can only look up local users", channel.json_body["error"])

    def test_success(self) -> None:
        """Request account data should succeed for an admin."""

        # add account data
        self.get_success(
            self.store.add_account_data_for_user(self.other_user, "m.global", {"a": 1})
        )
        self.get_success(
            self.store.add_account_data_to_room(
                self.other_user, "test_room", "m.per_room", {"b": 2}
            )
        )

        channel = self.make_request(
            "GET",
            self.url,
            access_token=self.admin_user_tok,
        )
        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(
            {"a": 1}, channel.json_body["account_data"]["global"]["m.global"]
        )
        self.assertEqual(
            {"b": 2},
            channel.json_body["account_data"]["rooms"]["test_room"]["m.per_room"],
        )


class UsersByExternalIdTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.get_success(
            self.store.record_user_external_id(
                "the-auth-provider", "the-external-id", self.other_user
            )
        )
        self.get_success(
            self.store.record_user_external_id(
                "another-auth-provider", "a:complex@external/id", self.other_user
            )
        )

    def test_no_auth(self) -> None:
        """Try to lookup a user without authentication."""
        url = (
            "/_synapse/admin/v1/auth_providers/the-auth-provider/users/the-external-id"
        )

        channel = self.make_request(
            "GET",
            url,
        )

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_binding_does_not_exist(self) -> None:
        """Tests that a lookup for an external ID that does not exist returns a 404"""
        url = "/_synapse/admin/v1/auth_providers/the-auth-provider/users/unknown-id"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    def test_success(self) -> None:
        """Tests a successful external ID lookup"""
        url = (
            "/_synapse/admin/v1/auth_providers/the-auth-provider/users/the-external-id"
        )

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(
            {"user_id": self.other_user},
            channel.json_body,
        )

    def test_success_urlencoded(self) -> None:
        """Tests a successful external ID lookup with an url-encoded ID"""
        url = "/_synapse/admin/v1/auth_providers/another-auth-provider/users/a%3Acomplex%40external%2Fid"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(
            {"user_id": self.other_user},
            channel.json_body,
        )


class UsersByThreePidTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")
        self.get_success(
            self.store.user_add_threepid(
                self.other_user, "email", "user@email.com", 1, 1
            )
        )
        self.get_success(
            self.store.user_add_threepid(self.other_user, "msidn", "+1-12345678", 1, 1)
        )

    def test_no_auth(self) -> None:
        """Try to look up a user without authentication."""
        url = "/_synapse/admin/v1/threepid/email/users/user%40email.com"

        channel = self.make_request(
            "GET",
            url,
        )

        self.assertEqual(401, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"])

    def test_medium_does_not_exist(self) -> None:
        """Tests that both a lookup for a medium that does not exist and a user that
        doesn't exist with that third party ID returns a 404"""
        # test for unknown medium
        url = "/_synapse/admin/v1/threepid/publickey/users/unknown-key"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

        # test for unknown user with a known medium
        url = "/_synapse/admin/v1/threepid/email/users/unknown"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(404, channel.code, msg=channel.json_body)
        self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"])

    def test_success(self) -> None:
        """Tests a successful medium + address lookup"""
        # test for email medium with encoded value of user@email.com
        url = "/_synapse/admin/v1/threepid/email/users/user%40email.com"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(
            {"user_id": self.other_user},
            channel.json_body,
        )

        # test for msidn medium with encoded value of +1-12345678
        url = "/_synapse/admin/v1/threepid/msidn/users/%2B1-12345678"

        channel = self.make_request(
            "GET",
            url,
            access_token=self.admin_user_tok,
        )

        self.assertEqual(200, channel.code, msg=channel.json_body)
        self.assertEqual(
            {"user_id": self.other_user},
            channel.json_body,
        )


class AllowCrossSigningReplacementTestCase(unittest.HomeserverTestCase):
    servlets = [
        synapse.rest.admin.register_servlets,
        login.register_servlets,
    ]

    @staticmethod
    def url(user: str) -> str:
        template = (
            "/_synapse/admin/v1/users/{}/_allow_cross_signing_replacement_without_uia"
        )
        return template.format(urllib.parse.quote(user))

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        self.store = hs.get_datastores().main

        self.admin_user = self.register_user("admin", "pass", admin=True)
        self.admin_user_tok = self.login("admin", "pass")

        self.other_user = self.register_user("user", "pass")

    def test_error_cases(self) -> None:
        fake_user = "@bums:other"
        channel = self.make_request(
            "POST", self.url(fake_user), access_token=self.admin_user_tok
        )
        # Fail: user doesn't exist
        self.assertEqual(404, channel.code, msg=channel.json_body)

        channel = self.make_request(
            "POST", self.url(self.other_user), access_token=self.admin_user_tok
        )
        # Fail: user exists, but has no master cross-signing key
        self.assertEqual(404, channel.code, msg=channel.json_body)

    def test_success(self) -> None:
        # Upload a master key.
        dummy_key = {"keys": {"a": "b"}}
        self.get_success(
            self.store.set_e2e_cross_signing_key(self.other_user, "master", dummy_key)
        )

        channel = self.make_request(
            "POST", self.url(self.other_user), access_token=self.admin_user_tok
        )
        # Success!
        self.assertEqual(200, channel.code, msg=channel.json_body)

        # Should now find that the key exists.
        _, timestamp = self.get_success(
            self.store.get_master_cross_signing_key_updatable_before(self.other_user)
        )
        assert timestamp is not None
        self.assertGreater(timestamp, self.clock.time_msec())