# -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd # Copyright 2017-2018 New Vector Ltd # Copyright 2019 The Matrix.org Foundation C.I.C. # # 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. import logging import re from six import iterkeys from six.moves import range from twisted.internet import defer from synapse.api.constants import UserTypes from synapse.api.errors import Codes, StoreError, ThreepidValidationError from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage import background_updates from synapse.storage._base import SQLBaseStore from synapse.types import UserID from synapse.util.caches.descriptors import cached, cachedInlineCallbacks THIRTY_MINUTES_IN_MS = 30 * 60 * 1000 logger = logging.getLogger(__name__) class RegistrationWorkerStore(SQLBaseStore): def __init__(self, db_conn, hs): super(RegistrationWorkerStore, self).__init__(db_conn, hs) self.config = hs.config self.clock = hs.get_clock() @cached() def get_user_by_id(self, user_id): return self._simple_select_one( table="users", keyvalues={"name": user_id}, retcols=[ "name", "password_hash", "is_guest", "consent_version", "consent_server_notice_sent", "appservice_id", "creation_ts", ], allow_none=True, desc="get_user_by_id", ) @defer.inlineCallbacks def is_trial_user(self, user_id): """Checks if user is in the "trial" period, i.e. within the first N days of registration defined by `mau_trial_days` config Args: user_id (str) Returns: Deferred[bool] """ info = yield self.get_user_by_id(user_id) if not info: return False now = self.clock.time_msec() trial_duration_ms = self.config.mau_trial_days * 24 * 60 * 60 * 1000 is_trial = (now - info["creation_ts"] * 1000) < trial_duration_ms return is_trial @cached() def get_user_by_access_token(self, token): """Get a user from the given access token. Args: token (str): The access token of a user. Returns: defer.Deferred: None, if the token did not match, otherwise dict including the keys `name`, `is_guest`, `device_id`, `token_id`, `valid_until_ms`. """ return self.runInteraction( "get_user_by_access_token", self._query_for_auth, token ) @cachedInlineCallbacks() def get_expiration_ts_for_user(self, user_id): """Get the expiration timestamp for the account bearing a given user ID. Args: user_id (str): The ID of the user. Returns: defer.Deferred: None, if the account has no expiration timestamp, otherwise int representation of the timestamp (as a number of milliseconds since epoch). """ res = yield self._simple_select_one_onecol( table="account_validity", keyvalues={"user_id": user_id}, retcol="expiration_ts_ms", allow_none=True, desc="get_expiration_ts_for_user", ) return res @defer.inlineCallbacks def set_account_validity_for_user( self, user_id, expiration_ts, email_sent, renewal_token=None ): """Updates the account validity properties of the given account, with the given values. Args: user_id (str): ID of the account to update properties for. expiration_ts (int): New expiration date, as a timestamp in milliseconds since epoch. email_sent (bool): True means a renewal email has been sent for this account and there's no need to send another one for the current validity period. renewal_token (str): Renewal token the user can use to extend the validity of their account. Defaults to no token. """ def set_account_validity_for_user_txn(txn): self._simple_update_txn( txn=txn, table="account_validity", keyvalues={"user_id": user_id}, updatevalues={ "expiration_ts_ms": expiration_ts, "email_sent": email_sent, "renewal_token": renewal_token, }, ) self._invalidate_cache_and_stream( txn, self.get_expiration_ts_for_user, (user_id,) ) yield self.runInteraction( "set_account_validity_for_user", set_account_validity_for_user_txn ) @defer.inlineCallbacks def set_renewal_token_for_user(self, user_id, renewal_token): """Defines a renewal token for a given user. Args: user_id (str): ID of the user to set the renewal token for. renewal_token (str): Random unique string that will be used to renew the user's account. Raises: StoreError: The provided token is already set for another user. """ yield self._simple_update_one( table="account_validity", keyvalues={"user_id": user_id}, updatevalues={"renewal_token": renewal_token}, desc="set_renewal_token_for_user", ) @defer.inlineCallbacks def get_user_from_renewal_token(self, renewal_token): """Get a user ID from a renewal token. Args: renewal_token (str): The renewal token to perform the lookup with. Returns: defer.Deferred[str]: The ID of the user to which the token belongs. """ res = yield self._simple_select_one_onecol( table="account_validity", keyvalues={"renewal_token": renewal_token}, retcol="user_id", desc="get_user_from_renewal_token", ) return res @defer.inlineCallbacks def get_renewal_token_for_user(self, user_id): """Get the renewal token associated with a given user ID. Args: user_id (str): The user ID to lookup a token for. Returns: defer.Deferred[str]: The renewal token associated with this user ID. """ res = yield self._simple_select_one_onecol( table="account_validity", keyvalues={"user_id": user_id}, retcol="renewal_token", desc="get_renewal_token_for_user", ) return res @defer.inlineCallbacks def get_users_expiring_soon(self): """Selects users whose account will expire in the [now, now + renew_at] time window (see configuration for account_validity for information on what renew_at refers to). Returns: Deferred: Resolves to a list[dict[user_id (str), expiration_ts_ms (int)]] """ def select_users_txn(txn, now_ms, renew_at): sql = ( "SELECT user_id, expiration_ts_ms FROM account_validity" " WHERE email_sent = ? AND (expiration_ts_ms - ?) <= ?" ) values = [False, now_ms, renew_at] txn.execute(sql, values) return self.cursor_to_dict(txn) res = yield self.runInteraction( "get_users_expiring_soon", select_users_txn, self.clock.time_msec(), self.config.account_validity.renew_at, ) return res @defer.inlineCallbacks def set_renewal_mail_status(self, user_id, email_sent): """Sets or unsets the flag that indicates whether a renewal email has been sent to the user (and the user hasn't renewed their account yet). Args: user_id (str): ID of the user to set/unset the flag for. email_sent (bool): Flag which indicates whether a renewal email has been sent to this user. """ yield self._simple_update_one( table="account_validity", keyvalues={"user_id": user_id}, updatevalues={"email_sent": email_sent}, desc="set_renewal_mail_status", ) @defer.inlineCallbacks def delete_account_validity_for_user(self, user_id): """Deletes the entry for the given user in the account validity table, removing their expiration date and renewal token. Args: user_id (str): ID of the user to remove from the account validity table. """ yield self._simple_delete_one( table="account_validity", keyvalues={"user_id": user_id}, desc="delete_account_validity_for_user", ) @defer.inlineCallbacks def is_server_admin(self, user): res = yield self._simple_select_one_onecol( table="users", keyvalues={"name": user.to_string()}, retcol="admin", allow_none=True, desc="is_server_admin", ) return res if res else False def _query_for_auth(self, txn, token): sql = ( "SELECT users.name, users.is_guest, access_tokens.id as token_id," " access_tokens.device_id, access_tokens.valid_until_ms" " FROM users" " INNER JOIN access_tokens on users.name = access_tokens.user_id" " WHERE token = ?" ) txn.execute(sql, (token,)) rows = self.cursor_to_dict(txn) if rows: return rows[0] return None @cachedInlineCallbacks() def is_support_user(self, user_id): """Determines if the user is of type UserTypes.SUPPORT Args: user_id (str): user id to test Returns: Deferred[bool]: True if user is of type UserTypes.SUPPORT """ res = yield self.runInteraction( "is_support_user", self.is_support_user_txn, user_id ) return res def is_support_user_txn(self, txn, user_id): res = self._simple_select_one_onecol_txn( txn=txn, table="users", keyvalues={"name": user_id}, retcol="user_type", allow_none=True, ) return True if res == UserTypes.SUPPORT else False def get_users_by_id_case_insensitive(self, user_id): """Gets users that match user_id case insensitively. Returns a mapping of user_id -> password_hash. """ def f(txn): sql = ( "SELECT name, password_hash FROM users" " WHERE lower(name) = lower(?)" ) txn.execute(sql, (user_id,)) return dict(txn) return self.runInteraction("get_users_by_id_case_insensitive", f) @defer.inlineCallbacks def count_all_users(self): """Counts all users registered on the homeserver.""" def _count_users(txn): txn.execute("SELECT COUNT(*) AS users FROM users") rows = self.cursor_to_dict(txn) if rows: return rows[0]["users"] return 0 ret = yield self.runInteraction("count_users", _count_users) return ret def count_daily_user_type(self): """ Counts 1) native non guest users 2) native guests users 3) bridged users who registered on the homeserver in the past 24 hours """ def _count_daily_user_type(txn): yesterday = int(self._clock.time()) - (60 * 60 * 24) sql = """ SELECT user_type, COALESCE(count(*), 0) AS count FROM ( SELECT CASE WHEN is_guest=0 AND appservice_id IS NULL THEN 'native' WHEN is_guest=1 AND appservice_id IS NULL THEN 'guest' WHEN is_guest=0 AND appservice_id IS NOT NULL THEN 'bridged' END AS user_type FROM users WHERE creation_ts > ? ) AS t GROUP BY user_type """ results = {"native": 0, "guest": 0, "bridged": 0} txn.execute(sql, (yesterday,)) for row in txn: results[row[0]] = row[1] return results return self.runInteraction("count_daily_user_type", _count_daily_user_type) @defer.inlineCallbacks def count_nonbridged_users(self): def _count_users(txn): txn.execute( """ SELECT COALESCE(COUNT(*), 0) FROM users WHERE appservice_id IS NULL """ ) count, = txn.fetchone() return count ret = yield self.runInteraction("count_users", _count_users) return ret @defer.inlineCallbacks def find_next_generated_user_id_localpart(self): """ Gets the localpart of the next generated user ID. Generated user IDs are integers, and we aim for them to be as small as we can. Unfortunately, it's possible some of them are already taken by existing users, and there may be gaps in the already taken range. This function returns the start of the first allocatable gap. This is to avoid the case of ID 10000000 being pre-allocated, so us wasting the first (and shortest) many generated user IDs. """ def _find_next_generated_user_id(txn): txn.execute("SELECT name FROM users") regex = re.compile(r"^@(\d+):") found = set() for (user_id,) in txn: match = regex.search(user_id) if match: found.add(int(match.group(1))) for i in range(len(found) + 1): if i not in found: return i return ( ( yield self.runInteraction( "find_next_generated_user_id", _find_next_generated_user_id ) ) ) @defer.inlineCallbacks def get_user_id_by_threepid(self, medium, address, require_verified=False): """Returns user id from threepid Args: medium (str): threepid medium e.g. email address (str): threepid address e.g. me@example.com Returns: Deferred[str|None]: user id or None if no user id/threepid mapping exists """ user_id = yield self.runInteraction( "get_user_id_by_threepid", self.get_user_id_by_threepid_txn, medium, address ) return user_id def get_user_id_by_threepid_txn(self, txn, medium, address): """Returns user id from threepid Args: txn (cursor): medium (str): threepid medium e.g. email address (str): threepid address e.g. me@example.com Returns: str|None: user id or None if no user id/threepid mapping exists """ ret = self._simple_select_one_txn( txn, "user_threepids", {"medium": medium, "address": address}, ["user_id"], True, ) if ret: return ret["user_id"] return None @defer.inlineCallbacks def user_add_threepid(self, user_id, medium, address, validated_at, added_at): yield self._simple_upsert( "user_threepids", {"medium": medium, "address": address}, {"user_id": user_id, "validated_at": validated_at, "added_at": added_at}, ) @defer.inlineCallbacks def user_get_threepids(self, user_id): ret = yield self._simple_select_list( "user_threepids", {"user_id": user_id}, ["medium", "address", "validated_at", "added_at"], "user_get_threepids", ) return ret def user_delete_threepid(self, user_id, medium, address): return self._simple_delete( "user_threepids", keyvalues={"user_id": user_id, "medium": medium, "address": address}, desc="user_delete_threepids", ) def add_user_bound_threepid(self, user_id, medium, address, id_server): """The server proxied a bind request to the given identity server on behalf of the given user. We need to remember this in case the user asks us to unbind the threepid. Args: user_id (str) medium (str) address (str) id_server (str) Returns: Deferred """ # We need to use an upsert, in case they user had already bound the # threepid return self._simple_upsert( table="user_threepid_id_server", keyvalues={ "user_id": user_id, "medium": medium, "address": address, "id_server": id_server, }, values={}, insertion_values={}, desc="add_user_bound_threepid", ) def remove_user_bound_threepid(self, user_id, medium, address, id_server): """The server proxied an unbind request to the given identity server on behalf of the given user, so we remove the mapping of threepid to identity server. Args: user_id (str) medium (str) address (str) id_server (str) Returns: Deferred """ return self._simple_delete( table="user_threepid_id_server", keyvalues={ "user_id": user_id, "medium": medium, "address": address, "id_server": id_server, }, desc="remove_user_bound_threepid", ) def get_id_servers_user_bound(self, user_id, medium, address): """Get the list of identity servers that the server proxied bind requests to for given user and threepid Args: user_id (str) medium (str) address (str) Returns: Deferred[list[str]]: Resolves to a list of identity servers """ return self._simple_select_onecol( table="user_threepid_id_server", keyvalues={"user_id": user_id, "medium": medium, "address": address}, retcol="id_server", desc="get_id_servers_user_bound", ) @cachedInlineCallbacks() def get_user_deactivated_status(self, user_id): """Retrieve the value for the `deactivated` property for the provided user. Args: user_id (str): The ID of the user to retrieve the status for. Returns: defer.Deferred(bool): The requested value. """ res = yield self._simple_select_one_onecol( table="users", keyvalues={"name": user_id}, retcol="deactivated", desc="get_user_deactivated_status", ) # Convert the integer into a boolean. return res == 1 class RegistrationStore( RegistrationWorkerStore, background_updates.BackgroundUpdateStore ): def __init__(self, db_conn, hs): super(RegistrationStore, self).__init__(db_conn, hs) self.clock = hs.get_clock() self.register_background_index_update( "access_tokens_device_index", index_name="access_tokens_device_id", table="access_tokens", columns=["user_id", "device_id"], ) self.register_background_index_update( "users_creation_ts", index_name="users_creation_ts", table="users", columns=["creation_ts"], ) self._account_validity = hs.config.account_validity # we no longer use refresh tokens, but it's possible that some people # might have a background update queued to build this index. Just # clear the background update. self.register_noop_background_update("refresh_tokens_device_index") self.register_background_update_handler( "user_threepids_grandfather", self._bg_user_threepids_grandfather ) self.register_background_update_handler( "users_set_deactivated_flag", self._background_update_set_deactivated_flag ) # Create a background job for culling expired 3PID validity tokens def start_cull(): # run as a background process to make sure that the database transactions # have a logcontext to report to return run_as_background_process( "cull_expired_threepid_validation_tokens", self.cull_expired_threepid_validation_tokens, ) hs.get_clock().looping_call(start_cull, THIRTY_MINUTES_IN_MS) @defer.inlineCallbacks def _background_update_set_deactivated_flag(self, progress, batch_size): """Retrieves a list of all deactivated users and sets the 'deactivated' flag to 1 for each of them. """ last_user = progress.get("user_id", "") def _background_update_set_deactivated_flag_txn(txn): txn.execute( """ SELECT users.name, COUNT(access_tokens.token) AS count_tokens, COUNT(user_threepids.address) AS count_threepids FROM users LEFT JOIN access_tokens ON (access_tokens.user_id = users.name) LEFT JOIN user_threepids ON (user_threepids.user_id = users.name) WHERE (users.password_hash IS NULL OR users.password_hash = '') AND (users.appservice_id IS NULL OR users.appservice_id = '') AND users.is_guest = 0 AND users.name > ? GROUP BY users.name ORDER BY users.name ASC LIMIT ?; """, (last_user, batch_size), ) rows = self.cursor_to_dict(txn) if not rows: return True rows_processed_nb = 0 for user in rows: if not user["count_tokens"] and not user["count_threepids"]: self.set_user_deactivated_status_txn(txn, user["name"], True) rows_processed_nb += 1 logger.info("Marked %d rows as deactivated", rows_processed_nb) self._background_update_progress_txn( txn, "users_set_deactivated_flag", {"user_id": rows[-1]["name"]} ) if batch_size > len(rows): return True else: return False end = yield self.runInteraction( "users_set_deactivated_flag", _background_update_set_deactivated_flag_txn ) if end: yield self._end_background_update("users_set_deactivated_flag") return batch_size @defer.inlineCallbacks def add_access_token_to_user(self, user_id, token, device_id, valid_until_ms): """Adds an access token for the given user. Args: user_id (str): The user ID. token (str): The new access token to add. device_id (str): ID of the device to associate with the access token valid_until_ms (int|None): when the token is valid until. None for no expiry. Raises: StoreError if there was a problem adding this. """ next_id = self._access_tokens_id_gen.get_next() yield self._simple_insert( "access_tokens", { "id": next_id, "user_id": user_id, "token": token, "device_id": device_id, "valid_until_ms": valid_until_ms, }, desc="add_access_token_to_user", ) def register_user( self, user_id, password_hash=None, was_guest=False, make_guest=False, appservice_id=None, create_profile_with_displayname=None, admin=False, user_type=None, ): """Attempts to register an account. Args: user_id (str): The desired user ID to register. password_hash (str): Optional. The password hash for this user. was_guest (bool): Optional. Whether this is a guest account being upgraded to a non-guest account. make_guest (boolean): True if the the new user should be guest, false to add a regular user account. appservice_id (str): The ID of the appservice registering the user. create_profile_with_displayname (unicode): Optionally create a profile for the user, setting their displayname to the given value admin (boolean): is an admin user? user_type (str|None): type of user. One of the values from api.constants.UserTypes, or None for a normal user. Raises: StoreError if the user_id could not be registered. """ return self.runInteraction( "register_user", self._register_user, user_id, password_hash, was_guest, make_guest, appservice_id, create_profile_with_displayname, admin, user_type, ) def _register_user( self, txn, user_id, password_hash, was_guest, make_guest, appservice_id, create_profile_with_displayname, admin, user_type, ): user_id_obj = UserID.from_string(user_id) now = int(self.clock.time()) try: if was_guest: # Ensure that the guest user actually exists # ``allow_none=False`` makes this raise an exception # if the row isn't in the database. self._simple_select_one_txn( txn, "users", keyvalues={"name": user_id, "is_guest": 1}, retcols=("name",), allow_none=False, ) self._simple_update_one_txn( txn, "users", keyvalues={"name": user_id, "is_guest": 1}, updatevalues={ "password_hash": password_hash, "upgrade_ts": now, "is_guest": 1 if make_guest else 0, "appservice_id": appservice_id, "admin": 1 if admin else 0, "user_type": user_type, }, ) else: self._simple_insert_txn( txn, "users", values={ "name": user_id, "password_hash": password_hash, "creation_ts": now, "is_guest": 1 if make_guest else 0, "appservice_id": appservice_id, "admin": 1 if admin else 0, "user_type": user_type, }, ) except self.database_engine.module.IntegrityError: raise StoreError(400, "User ID already taken.", errcode=Codes.USER_IN_USE) if self._account_validity.enabled: self.set_expiration_date_for_user_txn(txn, user_id) if create_profile_with_displayname: # set a default displayname serverside to avoid ugly race # between auto-joins and clients trying to set displaynames # # *obviously* the 'profiles' table uses localpart for user_id # while everything else uses the full mxid. txn.execute( "INSERT INTO profiles(user_id, displayname) VALUES (?,?)", (user_id_obj.localpart, create_profile_with_displayname), ) self._invalidate_cache_and_stream(txn, self.get_user_by_id, (user_id,)) txn.call_after(self.is_guest.invalidate, (user_id,)) def user_set_password_hash(self, user_id, password_hash): """ NB. This does *not* evict any cache because the one use for this removes most of the entries subsequently anyway so it would be pointless. Use flush_user separately. """ def user_set_password_hash_txn(txn): self._simple_update_one_txn( txn, "users", {"name": user_id}, {"password_hash": password_hash} ) self._invalidate_cache_and_stream(txn, self.get_user_by_id, (user_id,)) return self.runInteraction("user_set_password_hash", user_set_password_hash_txn) def user_set_consent_version(self, user_id, consent_version): """Updates the user table to record privacy policy consent Args: user_id (str): full mxid of the user to update consent_version (str): version of the policy the user has consented to Raises: StoreError(404) if user not found """ def f(txn): self._simple_update_one_txn( txn, table="users", keyvalues={"name": user_id}, updatevalues={"consent_version": consent_version}, ) self._invalidate_cache_and_stream(txn, self.get_user_by_id, (user_id,)) return self.runInteraction("user_set_consent_version", f) def user_set_consent_server_notice_sent(self, user_id, consent_version): """Updates the user table to record that we have sent the user a server notice about privacy policy consent Args: user_id (str): full mxid of the user to update consent_version (str): version of the policy we have notified the user about Raises: StoreError(404) if user not found """ def f(txn): self._simple_update_one_txn( txn, table="users", keyvalues={"name": user_id}, updatevalues={"consent_server_notice_sent": consent_version}, ) self._invalidate_cache_and_stream(txn, self.get_user_by_id, (user_id,)) return self.runInteraction("user_set_consent_server_notice_sent", f) def user_delete_access_tokens(self, user_id, except_token_id=None, device_id=None): """ Invalidate access tokens belonging to a user Args: user_id (str): ID of user the tokens belong to except_token_id (str): list of access_tokens IDs which should *not* be deleted device_id (str|None): ID of device the tokens are associated with. If None, tokens associated with any device (or no device) will be deleted Returns: defer.Deferred[list[str, int, str|None, int]]: a list of (token, token id, device id) for each of the deleted tokens """ def f(txn): keyvalues = {"user_id": user_id} if device_id is not None: keyvalues["device_id"] = device_id items = keyvalues.items() where_clause = " AND ".join(k + " = ?" for k, _ in items) values = [v for _, v in items] if except_token_id: where_clause += " AND id != ?" values.append(except_token_id) txn.execute( "SELECT token, id, device_id FROM access_tokens WHERE %s" % where_clause, values, ) tokens_and_devices = [(r[0], r[1], r[2]) for r in txn] for token, _, _ in tokens_and_devices: self._invalidate_cache_and_stream( txn, self.get_user_by_access_token, (token,) ) txn.execute("DELETE FROM access_tokens WHERE %s" % where_clause, values) return tokens_and_devices return self.runInteraction("user_delete_access_tokens", f) def delete_access_token(self, access_token): def f(txn): self._simple_delete_one_txn( txn, table="access_tokens", keyvalues={"token": access_token} ) self._invalidate_cache_and_stream( txn, self.get_user_by_access_token, (access_token,) ) return self.runInteraction("delete_access_token", f) @cachedInlineCallbacks() def is_guest(self, user_id): res = yield self._simple_select_one_onecol( table="users", keyvalues={"name": user_id}, retcol="is_guest", allow_none=True, desc="is_guest", ) return res if res else False def add_user_pending_deactivation(self, user_id): """ Adds a user to the table of users who need to be parted from all the rooms they're in """ return self._simple_insert( "users_pending_deactivation", values={"user_id": user_id}, desc="add_user_pending_deactivation", ) def del_user_pending_deactivation(self, user_id): """ Removes the given user to the table of users who need to be parted from all the rooms they're in, effectively marking that user as fully deactivated. """ # XXX: This should be simple_delete_one but we failed to put a unique index on # the table, so somehow duplicate entries have ended up in it. return self._simple_delete( "users_pending_deactivation", keyvalues={"user_id": user_id}, desc="del_user_pending_deactivation", ) def get_user_pending_deactivation(self): """ Gets one user from the table of users waiting to be parted from all the rooms they're in. """ return self._simple_select_one_onecol( "users_pending_deactivation", keyvalues={}, retcol="user_id", allow_none=True, desc="get_users_pending_deactivation", ) @defer.inlineCallbacks def _bg_user_threepids_grandfather(self, progress, batch_size): """We now track which identity servers a user binds their 3PID to, so we need to handle the case of existing bindings where we didn't track this. We do this by grandfathering in existing user threepids assuming that they used one of the server configured trusted identity servers. """ id_servers = set(self.config.trusted_third_party_id_servers) def _bg_user_threepids_grandfather_txn(txn): sql = """ INSERT INTO user_threepid_id_server (user_id, medium, address, id_server) SELECT user_id, medium, address, ? FROM user_threepids """ txn.executemany(sql, [(id_server,) for id_server in id_servers]) if id_servers: yield self.runInteraction( "_bg_user_threepids_grandfather", _bg_user_threepids_grandfather_txn ) yield self._end_background_update("user_threepids_grandfather") return 1 def get_threepid_validation_session( self, medium, client_secret, address=None, sid=None, validated=True ): """Gets a session_id and last_send_attempt (if available) for a client_secret/medium/(address|session_id) combo Args: medium (str|None): The medium of the 3PID address (str|None): The address of the 3PID sid (str|None): The ID of the validation session client_secret (str|None): A unique string provided by the client to help identify this validation attempt validated (bool|None): Whether sessions should be filtered by whether they have been validated already or not. None to perform no filtering Returns: deferred {str, int}|None: A dict containing the latest session_id and send_attempt count for this 3PID. Otherwise None if there hasn't been a previous attempt """ keyvalues = {"medium": medium, "client_secret": client_secret} if address: keyvalues["address"] = address if sid: keyvalues["session_id"] = sid assert address or sid def get_threepid_validation_session_txn(txn): sql = """ SELECT address, session_id, medium, client_secret, last_send_attempt, validated_at FROM threepid_validation_session WHERE %s """ % ( " AND ".join("%s = ?" % k for k in iterkeys(keyvalues)), ) if validated is not None: sql += " AND validated_at IS " + ("NOT NULL" if validated else "NULL") sql += " LIMIT 1" txn.execute(sql, list(keyvalues.values())) rows = self.cursor_to_dict(txn) if not rows: return None return rows[0] return self.runInteraction( "get_threepid_validation_session", get_threepid_validation_session_txn ) def validate_threepid_session(self, session_id, client_secret, token, current_ts): """Attempt to validate a threepid session using a token Args: session_id (str): The id of a validation session client_secret (str): A unique string provided by the client to help identify this validation attempt token (str): A validation token current_ts (int): The current unix time in milliseconds. Used for checking token expiry status Returns: deferred str|None: A str representing a link to redirect the user to if there is one. """ # Insert everything into a transaction in order to run atomically def validate_threepid_session_txn(txn): row = self._simple_select_one_txn( txn, table="threepid_validation_session", keyvalues={"session_id": session_id}, retcols=["client_secret", "validated_at"], allow_none=True, ) if not row: raise ThreepidValidationError(400, "Unknown session_id") retrieved_client_secret = row["client_secret"] validated_at = row["validated_at"] if retrieved_client_secret != client_secret: raise ThreepidValidationError( 400, "This client_secret does not match the provided session_id" ) row = self._simple_select_one_txn( txn, table="threepid_validation_token", keyvalues={"session_id": session_id, "token": token}, retcols=["expires", "next_link"], allow_none=True, ) if not row: raise ThreepidValidationError( 400, "Validation token not found or has expired" ) expires = row["expires"] next_link = row["next_link"] # If the session is already validated, no need to revalidate if validated_at: return next_link if expires <= current_ts: raise ThreepidValidationError( 400, "This token has expired. Please request a new one" ) # Looks good. Validate the session self._simple_update_txn( txn, table="threepid_validation_session", keyvalues={"session_id": session_id}, updatevalues={"validated_at": self.clock.time_msec()}, ) return next_link # Return next_link if it exists return self.runInteraction( "validate_threepid_session_txn", validate_threepid_session_txn ) def upsert_threepid_validation_session( self, medium, address, client_secret, send_attempt, session_id, validated_at=None, ): """Upsert a threepid validation session Args: medium (str): The medium of the 3PID address (str): The address of the 3PID client_secret (str): A unique string provided by the client to help identify this validation attempt send_attempt (int): The latest send_attempt on this session session_id (str): The id of this validation session validated_at (int|None): The unix timestamp in milliseconds of when the session was marked as valid """ insertion_values = { "medium": medium, "address": address, "client_secret": client_secret, } if validated_at: insertion_values["validated_at"] = validated_at return self._simple_upsert( table="threepid_validation_session", keyvalues={"session_id": session_id}, values={"last_send_attempt": send_attempt}, insertion_values=insertion_values, desc="upsert_threepid_validation_session", ) def start_or_continue_validation_session( self, medium, address, session_id, client_secret, send_attempt, next_link, token, token_expires, ): """Creates a new threepid validation session if it does not already exist and associates a new validation token with it Args: medium (str): The medium of the 3PID address (str): The address of the 3PID session_id (str): The id of this validation session client_secret (str): A unique string provided by the client to help identify this validation attempt send_attempt (int): The latest send_attempt on this session next_link (str|None): The link to redirect the user to upon successful validation token (str): The validation token token_expires (int): The timestamp for which after the token will no longer be valid """ def start_or_continue_validation_session_txn(txn): # Create or update a validation session self._simple_upsert_txn( txn, table="threepid_validation_session", keyvalues={"session_id": session_id}, values={"last_send_attempt": send_attempt}, insertion_values={ "medium": medium, "address": address, "client_secret": client_secret, }, ) # Create a new validation token with this session ID self._simple_insert_txn( txn, table="threepid_validation_token", values={ "session_id": session_id, "token": token, "next_link": next_link, "expires": token_expires, }, ) return self.runInteraction( "start_or_continue_validation_session", start_or_continue_validation_session_txn, ) def cull_expired_threepid_validation_tokens(self): """Remove threepid validation tokens with expiry dates that have passed""" def cull_expired_threepid_validation_tokens_txn(txn, ts): sql = """ DELETE FROM threepid_validation_token WHERE expires < ? """ return txn.execute(sql, (ts,)) return self.runInteraction( "cull_expired_threepid_validation_tokens", cull_expired_threepid_validation_tokens_txn, self.clock.time_msec(), ) def delete_threepid_session(self, session_id): """Removes a threepid validation session from the database. This can be done after validation has been performed and whatever action was waiting on it has been carried out Args: session_id (str): The ID of the session to delete """ def delete_threepid_session_txn(txn): self._simple_delete_txn( txn, table="threepid_validation_token", keyvalues={"session_id": session_id}, ) self._simple_delete_txn( txn, table="threepid_validation_session", keyvalues={"session_id": session_id}, ) return self.runInteraction( "delete_threepid_session", delete_threepid_session_txn ) def set_user_deactivated_status_txn(self, txn, user_id, deactivated): self._simple_update_one_txn( txn=txn, table="users", keyvalues={"name": user_id}, updatevalues={"deactivated": 1 if deactivated else 0}, ) self._invalidate_cache_and_stream( txn, self.get_user_deactivated_status, (user_id,) ) @defer.inlineCallbacks def set_user_deactivated_status(self, user_id, deactivated): """Set the `deactivated` property for the provided user to the provided value. Args: user_id (str): The ID of the user to set the status for. deactivated (bool): The value to set for `deactivated`. """ yield self.runInteraction( "set_user_deactivated_status", self.set_user_deactivated_status_txn, user_id, deactivated, )