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path: root/tests/storage/test_client_ips.py
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# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from unittest.mock import Mock

from parameterized import parameterized

import synapse.rest.admin
from synapse.http.site import XForwardedForRequest
from synapse.rest.client import login
from synapse.types import UserID

from tests import unittest
from tests.server import make_request
from tests.test_utils import make_awaitable
from tests.unittest import override_config


class ClientIpStoreTestCase(unittest.HomeserverTestCase):
    def make_homeserver(self, reactor, clock):
        hs = self.setup_test_homeserver()
        return hs

    def prepare(self, hs, reactor, clock):
        self.store = self.hs.get_datastore()

    def test_insert_new_client_ip(self):
        self.reactor.advance(12345678)

        user_id = "@user:id"
        device_id = "MY_DEVICE"

        # Insert a user IP
        self.get_success(
            self.store.store_device(
                user_id,
                device_id,
                "display name",
            )
        )
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", device_id
            )
        )

        # Trigger the storage loop
        self.reactor.advance(10)

        result = self.get_success(
            self.store.get_last_client_ip_by_device(user_id, device_id)
        )

        r = result[(user_id, device_id)]
        self.assertDictContainsSubset(
            {
                "user_id": user_id,
                "device_id": device_id,
                "ip": "ip",
                "user_agent": "user_agent",
                "last_seen": 12345678000,
            },
            r,
        )

    def test_insert_new_client_ip_none_device_id(self):
        """
        An insert with a device ID of NULL will not create a new entry, but
        update an existing entry in the user_ips table.
        """
        self.reactor.advance(12345678)

        user_id = "@user:id"

        # Add & trigger the storage loop
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", None
            )
        )
        self.reactor.advance(200)
        self.pump(0)

        result = self.get_success(
            self.store.db_pool.simple_select_list(
                table="user_ips",
                keyvalues={"user_id": user_id},
                retcols=["access_token", "ip", "user_agent", "device_id", "last_seen"],
                desc="get_user_ip_and_agents",
            )
        )

        self.assertEqual(
            result,
            [
                {
                    "access_token": "access_token",
                    "ip": "ip",
                    "user_agent": "user_agent",
                    "device_id": None,
                    "last_seen": 12345678000,
                }
            ],
        )

        # Add another & trigger the storage loop
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", None
            )
        )
        self.reactor.advance(10)
        self.pump(0)

        result = self.get_success(
            self.store.db_pool.simple_select_list(
                table="user_ips",
                keyvalues={"user_id": user_id},
                retcols=["access_token", "ip", "user_agent", "device_id", "last_seen"],
                desc="get_user_ip_and_agents",
            )
        )
        # Only one result, has been upserted.
        self.assertEqual(
            result,
            [
                {
                    "access_token": "access_token",
                    "ip": "ip",
                    "user_agent": "user_agent",
                    "device_id": None,
                    "last_seen": 12345878000,
                }
            ],
        )

    @parameterized.expand([(False,), (True,)])
    def test_get_user_ip_and_agents(self, after_persisting: bool):
        """Test `get_user_ip_and_agents` for persisted and unpersisted data"""
        self.reactor.advance(12345678)

        user_id = "@user:id"
        user = UserID.from_string(user_id)

        # Insert a user IP
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", "MY_DEVICE"
            )
        )

        if after_persisting:
            # Trigger the storage loop
            self.reactor.advance(10)

        self.assertEqual(
            self.get_success(self.store.get_user_ip_and_agents(user)),
            [
                {
                    "access_token": "access_token",
                    "ip": "ip",
                    "user_agent": "user_agent",
                    "last_seen": 12345678000,
                },
            ],
        )

    @override_config({"limit_usage_by_mau": False, "max_mau_value": 50})
    def test_disabled_monthly_active_user(self):
        user_id = "@user:server"
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", "device_id"
            )
        )
        active = self.get_success(self.store.user_last_seen_monthly_active(user_id))
        self.assertFalse(active)

    @override_config({"limit_usage_by_mau": True, "max_mau_value": 50})
    def test_adding_monthly_active_user_when_full(self):
        lots_of_users = 100
        user_id = "@user:server"

        self.store.get_monthly_active_count = Mock(
            return_value=make_awaitable(lots_of_users)
        )
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", "device_id"
            )
        )
        active = self.get_success(self.store.user_last_seen_monthly_active(user_id))
        self.assertFalse(active)

    @override_config({"limit_usage_by_mau": True, "max_mau_value": 50})
    def test_adding_monthly_active_user_when_space(self):
        user_id = "@user:server"
        active = self.get_success(self.store.user_last_seen_monthly_active(user_id))
        self.assertFalse(active)

        # Trigger the saving loop
        self.reactor.advance(10)

        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", "device_id"
            )
        )
        active = self.get_success(self.store.user_last_seen_monthly_active(user_id))
        self.assertTrue(active)

    @override_config({"limit_usage_by_mau": True, "max_mau_value": 50})
    def test_updating_monthly_active_user_when_space(self):
        user_id = "@user:server"
        self.get_success(self.store.register_user(user_id=user_id, password_hash=None))

        active = self.get_success(self.store.user_last_seen_monthly_active(user_id))
        self.assertFalse(active)

        # Trigger the saving loop
        self.reactor.advance(10)

        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", "device_id"
            )
        )
        active = self.get_success(self.store.user_last_seen_monthly_active(user_id))
        self.assertTrue(active)

    def test_devices_last_seen_bg_update(self):
        # First make sure we have completed all updates.
        while not self.get_success(
            self.store.db_pool.updates.has_completed_background_updates()
        ):
            self.get_success(
                self.store.db_pool.updates.do_next_background_update(100), by=0.1
            )

        user_id = "@user:id"
        device_id = "MY_DEVICE"

        # Insert a user IP
        self.get_success(
            self.store.store_device(
                user_id,
                device_id,
                "display name",
            )
        )
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", device_id
            )
        )
        # Force persisting to disk
        self.reactor.advance(200)

        # But clear the associated entry in devices table
        self.get_success(
            self.store.db_pool.simple_update(
                table="devices",
                keyvalues={"user_id": user_id, "device_id": device_id},
                updatevalues={"last_seen": None, "ip": None, "user_agent": None},
                desc="test_devices_last_seen_bg_update",
            )
        )

        # We should now get nulls when querying
        result = self.get_success(
            self.store.get_last_client_ip_by_device(user_id, device_id)
        )

        r = result[(user_id, device_id)]
        self.assertDictContainsSubset(
            {
                "user_id": user_id,
                "device_id": device_id,
                "ip": None,
                "user_agent": None,
                "last_seen": None,
            },
            r,
        )

        # Register the background update to run again.
        self.get_success(
            self.store.db_pool.simple_insert(
                table="background_updates",
                values={
                    "update_name": "devices_last_seen",
                    "progress_json": "{}",
                    "depends_on": None,
                },
            )
        )

        # ... and tell the DataStore that it hasn't finished all updates yet
        self.store.db_pool.updates._all_done = False

        # Now let's actually drive the updates to completion
        while not self.get_success(
            self.store.db_pool.updates.has_completed_background_updates()
        ):
            self.get_success(
                self.store.db_pool.updates.do_next_background_update(100), by=0.1
            )

        # We should now get the correct result again
        result = self.get_success(
            self.store.get_last_client_ip_by_device(user_id, device_id)
        )

        r = result[(user_id, device_id)]
        self.assertDictContainsSubset(
            {
                "user_id": user_id,
                "device_id": device_id,
                "ip": "ip",
                "user_agent": "user_agent",
                "last_seen": 0,
            },
            r,
        )

    def test_old_user_ips_pruned(self):
        # First make sure we have completed all updates.
        while not self.get_success(
            self.store.db_pool.updates.has_completed_background_updates()
        ):
            self.get_success(
                self.store.db_pool.updates.do_next_background_update(100), by=0.1
            )

        user_id = "@user:id"
        device_id = "MY_DEVICE"

        # Insert a user IP
        self.get_success(
            self.store.store_device(
                user_id,
                device_id,
                "display name",
            )
        )
        self.get_success(
            self.store.insert_client_ip(
                user_id, "access_token", "ip", "user_agent", device_id
            )
        )

        # Force persisting to disk
        self.reactor.advance(200)

        # We should see that in the DB
        result = self.get_success(
            self.store.db_pool.simple_select_list(
                table="user_ips",
                keyvalues={"user_id": user_id},
                retcols=["access_token", "ip", "user_agent", "device_id", "last_seen"],
                desc="get_user_ip_and_agents",
            )
        )

        self.assertEqual(
            result,
            [
                {
                    "access_token": "access_token",
                    "ip": "ip",
                    "user_agent": "user_agent",
                    "device_id": device_id,
                    "last_seen": 0,
                }
            ],
        )

        # Now advance by a couple of months
        self.reactor.advance(60 * 24 * 60 * 60)

        # We should get no results.
        result = self.get_success(
            self.store.db_pool.simple_select_list(
                table="user_ips",
                keyvalues={"user_id": user_id},
                retcols=["access_token", "ip", "user_agent", "device_id", "last_seen"],
                desc="get_user_ip_and_agents",
            )
        )

        self.assertEqual(result, [])

        # But we should still get the correct values for the device
        result = self.get_success(
            self.store.get_last_client_ip_by_device(user_id, device_id)
        )

        r = result[(user_id, device_id)]
        self.assertDictContainsSubset(
            {
                "user_id": user_id,
                "device_id": device_id,
                "ip": "ip",
                "user_agent": "user_agent",
                "last_seen": 0,
            },
            r,
        )


class ClientIpAuthTestCase(unittest.HomeserverTestCase):

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

    def make_homeserver(self, reactor, clock):
        hs = self.setup_test_homeserver()
        return hs

    def prepare(self, hs, reactor, clock):
        self.store = self.hs.get_datastore()
        self.user_id = self.register_user("bob", "abc123", True)

    def test_request_with_xforwarded(self):
        """
        The IP in X-Forwarded-For is entered into the client IPs table.
        """
        self._runtest(
            {b"X-Forwarded-For": b"127.9.0.1"},
            "127.9.0.1",
            {"request": XForwardedForRequest},
        )

    def test_request_from_getPeer(self):
        """
        The IP returned by getPeer is entered into the client IPs table, if
        there's no X-Forwarded-For header.
        """
        self._runtest({}, "127.0.0.1", {})

    def _runtest(self, headers, expected_ip, make_request_args):
        device_id = "bleb"

        access_token = self.login("bob", "abc123", device_id=device_id)

        # Advance to a known time
        self.reactor.advance(123456 - self.reactor.seconds())

        headers1 = {b"User-Agent": b"Mozzila pizza"}
        headers1.update(headers)

        make_request(
            self.reactor,
            self.site,
            "GET",
            "/_synapse/admin/v2/users/" + self.user_id,
            access_token=access_token,
            custom_headers=headers1.items(),
            **make_request_args,
        )

        # Advance so the save loop occurs
        self.reactor.advance(100)

        result = self.get_success(
            self.store.get_last_client_ip_by_device(self.user_id, device_id)
        )
        r = result[(self.user_id, device_id)]
        self.assertDictContainsSubset(
            {
                "user_id": self.user_id,
                "device_id": device_id,
                "ip": expected_ip,
                "user_agent": "Mozzila pizza",
                "last_seen": 123456100,
            },
            r,
        )