963 lines
37 KiB
Python
963 lines
37 KiB
Python
# Copyright 2015 - 2016 OpenMarket Ltd
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# Copyright 2017 Vector Creations Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import random
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from typing import TYPE_CHECKING, List, Optional, Tuple
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from twisted.web.server import Request
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import synapse
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import synapse.api.auth
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import synapse.types
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from synapse.api.constants import (
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APP_SERVICE_REGISTRATION_TYPE,
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ApprovalNoticeMedium,
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LoginType,
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)
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from synapse.api.errors import (
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Codes,
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InteractiveAuthIncompleteError,
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NotApprovedError,
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SynapseError,
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ThreepidValidationError,
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UnrecognizedRequestError,
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)
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from synapse.api.ratelimiting import Ratelimiter
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from synapse.config import ConfigError
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from synapse.config.homeserver import HomeServerConfig
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from synapse.config.ratelimiting import FederationRatelimitSettings
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from synapse.config.server import is_threepid_reserved
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from synapse.handlers.auth import AuthHandler
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from synapse.handlers.ui_auth import UIAuthSessionDataConstants
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from synapse.http.server import HttpServer, finish_request, respond_with_html
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from synapse.http.servlet import (
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RestServlet,
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assert_params_in_dict,
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parse_json_object_from_request,
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parse_string,
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)
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from synapse.http.site import SynapseRequest
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from synapse.metrics import threepid_send_requests
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from synapse.push.mailer import Mailer
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from synapse.types import JsonDict
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from synapse.util.msisdn import phone_number_to_msisdn
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from synapse.util.ratelimitutils import FederationRateLimiter
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from synapse.util.stringutils import assert_valid_client_secret, random_string
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from synapse.util.threepids import (
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canonicalise_email,
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check_3pid_allowed,
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validate_email,
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)
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from ._base import client_patterns, interactive_auth_handler
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class EmailRegisterRequestTokenRestServlet(RestServlet):
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PATTERNS = client_patterns("/register/email/requestToken$")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.identity_handler = hs.get_identity_handler()
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self.config = hs.config
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if self.hs.config.email.can_verify_email:
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self.mailer = Mailer(
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hs=self.hs,
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app_name=self.config.email.email_app_name,
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template_html=self.config.email.email_registration_template_html,
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template_text=self.config.email.email_registration_template_text,
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)
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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if not self.hs.config.email.can_verify_email:
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logger.warning(
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"Email registration has been disabled due to lack of email config"
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)
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raise SynapseError(
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400, "Email-based registration has been disabled on this server"
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)
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body = parse_json_object_from_request(request)
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assert_params_in_dict(body, ["client_secret", "email", "send_attempt"])
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# Extract params from body
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client_secret = body["client_secret"]
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assert_valid_client_secret(client_secret)
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# For emails, canonicalise the address.
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# We store all email addresses canonicalised in the DB.
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# (See on_POST in EmailThreepidRequestTokenRestServlet
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# in synapse/rest/client/account.py)
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try:
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email = validate_email(body["email"])
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except ValueError as e:
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raise SynapseError(400, str(e))
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send_attempt = body["send_attempt"]
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next_link = body.get("next_link") # Optional param
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if not await check_3pid_allowed(self.hs, "email", email, registration=True):
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raise SynapseError(
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403,
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"Your email domain is not authorized to register on this server",
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Codes.THREEPID_DENIED,
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)
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await self.identity_handler.ratelimit_request_token_requests(
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request, "email", email
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)
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existing_user_id = await self.hs.get_datastores().main.get_user_id_by_threepid(
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"email", email
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)
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if existing_user_id is not None:
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if self.hs.config.server.request_token_inhibit_3pid_errors:
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# Make the client think the operation succeeded. See the rationale in the
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# comments for request_token_inhibit_3pid_errors.
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# Also wait for some random amount of time between 100ms and 1s to make it
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# look like we did something.
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await self.hs.get_clock().sleep(random.randint(1, 10) / 10)
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return 200, {"sid": random_string(16)}
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raise SynapseError(400, "Email is already in use", Codes.THREEPID_IN_USE)
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# Send registration emails from Synapse
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sid = await self.identity_handler.send_threepid_validation(
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email,
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client_secret,
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send_attempt,
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self.mailer.send_registration_mail,
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next_link,
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)
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threepid_send_requests.labels(type="email", reason="register").observe(
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send_attempt
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)
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# Wrap the session id in a JSON object
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return 200, {"sid": sid}
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class MsisdnRegisterRequestTokenRestServlet(RestServlet):
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PATTERNS = client_patterns("/register/msisdn/requestToken$")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.identity_handler = hs.get_identity_handler()
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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body = parse_json_object_from_request(request)
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assert_params_in_dict(
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body, ["client_secret", "country", "phone_number", "send_attempt"]
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)
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client_secret = body["client_secret"]
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assert_valid_client_secret(client_secret)
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country = body["country"]
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phone_number = body["phone_number"]
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send_attempt = body["send_attempt"]
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next_link = body.get("next_link") # Optional param
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msisdn = phone_number_to_msisdn(country, phone_number)
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if not await check_3pid_allowed(self.hs, "msisdn", msisdn, registration=True):
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raise SynapseError(
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403,
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"Phone numbers are not authorized to register on this server",
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Codes.THREEPID_DENIED,
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)
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await self.identity_handler.ratelimit_request_token_requests(
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request, "msisdn", msisdn
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)
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existing_user_id = await self.hs.get_datastores().main.get_user_id_by_threepid(
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"msisdn", msisdn
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)
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if existing_user_id is not None:
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if self.hs.config.server.request_token_inhibit_3pid_errors:
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# Make the client think the operation succeeded. See the rationale in the
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# comments for request_token_inhibit_3pid_errors.
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# Also wait for some random amount of time between 100ms and 1s to make it
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# look like we did something.
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await self.hs.get_clock().sleep(random.randint(1, 10) / 10)
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return 200, {"sid": random_string(16)}
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raise SynapseError(
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400, "Phone number is already in use", Codes.THREEPID_IN_USE
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)
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if not self.hs.config.registration.account_threepid_delegate_msisdn:
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logger.warning(
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"No upstream msisdn account_threepid_delegate configured on the server to "
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"handle this request"
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)
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raise SynapseError(
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400, "Registration by phone number is not supported on this homeserver"
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)
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ret = await self.identity_handler.requestMsisdnToken(
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self.hs.config.registration.account_threepid_delegate_msisdn,
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country,
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phone_number,
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client_secret,
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send_attempt,
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next_link,
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)
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threepid_send_requests.labels(type="msisdn", reason="register").observe(
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send_attempt
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)
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return 200, ret
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class RegistrationSubmitTokenServlet(RestServlet):
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"""Handles registration 3PID validation token submission"""
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PATTERNS = client_patterns(
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"/registration/(?P<medium>[^/]*)/submit_token$", releases=(), unstable=True
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)
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.config = hs.config
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self.clock = hs.get_clock()
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self.store = hs.get_datastores().main
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if self.config.email.can_verify_email:
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self._failure_email_template = (
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self.config.email.email_registration_template_failure_html
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)
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async def on_GET(self, request: Request, medium: str) -> None:
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if medium != "email":
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raise SynapseError(
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400, "This medium is currently not supported for registration"
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)
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if not self.config.email.can_verify_email:
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logger.warning(
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"User registration via email has been disabled due to lack of email config"
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)
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raise SynapseError(
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400, "Email-based registration is disabled on this server"
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)
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sid = parse_string(request, "sid", required=True)
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client_secret = parse_string(request, "client_secret", required=True)
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assert_valid_client_secret(client_secret)
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token = parse_string(request, "token", required=True)
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# Attempt to validate a 3PID session
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try:
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# Mark the session as valid
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next_link = await self.store.validate_threepid_session(
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sid, client_secret, token, self.clock.time_msec()
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)
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# Perform a 302 redirect if next_link is set
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if next_link:
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if next_link.startswith("file:///"):
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logger.warning(
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"Not redirecting to next_link as it is a local file: address"
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)
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else:
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request.setResponseCode(302)
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request.setHeader("Location", next_link)
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finish_request(request)
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return None
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# Otherwise show the success template
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html = self.config.email.email_registration_template_success_html_content
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status_code = 200
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except ThreepidValidationError as e:
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status_code = e.code
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# Show a failure page with a reason
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template_vars = {"failure_reason": e.msg}
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html = self._failure_email_template.render(**template_vars)
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respond_with_html(request, status_code, html)
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class UsernameAvailabilityRestServlet(RestServlet):
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PATTERNS = client_patterns("/register/available")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.registration_handler = hs.get_registration_handler()
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self.ratelimiter = FederationRateLimiter(
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hs.get_clock(),
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FederationRatelimitSettings(
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# Time window of 2s
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window_size=2000,
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# Artificially delay requests if rate > sleep_limit/window_size
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sleep_limit=1,
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# Amount of artificial delay to apply
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sleep_delay=1000,
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# Error with 429 if more than reject_limit requests are queued
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reject_limit=1,
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# Allow 1 request at a time
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concurrent=1,
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),
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)
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self.inhibit_user_in_use_error = (
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hs.config.registration.inhibit_user_in_use_error
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)
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async def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
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if not self.hs.config.registration.enable_registration:
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raise SynapseError(
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403, "Registration has been disabled", errcode=Codes.FORBIDDEN
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)
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if self.inhibit_user_in_use_error:
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return 200, {"available": True}
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ip = request.getClientAddress().host
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with self.ratelimiter.ratelimit(ip) as wait_deferred:
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await wait_deferred
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username = parse_string(request, "username", required=True)
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await self.registration_handler.check_username(username)
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return 200, {"available": True}
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class RegistrationTokenValidityRestServlet(RestServlet):
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"""Check the validity of a registration token.
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Example:
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GET /_matrix/client/v1/register/m.login.registration_token/validity?token=abcd
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200 OK
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{
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"valid": true
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}
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"""
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PATTERNS = client_patterns(
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f"/register/{LoginType.REGISTRATION_TOKEN}/validity",
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releases=("v1",),
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)
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.store = hs.get_datastores().main
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self.ratelimiter = Ratelimiter(
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store=self.store,
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clock=hs.get_clock(),
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rate_hz=hs.config.ratelimiting.rc_registration_token_validity.per_second,
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burst_count=hs.config.ratelimiting.rc_registration_token_validity.burst_count,
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)
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async def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
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await self.ratelimiter.ratelimit(None, (request.getClientAddress().host,))
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if not self.hs.config.registration.enable_registration:
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raise SynapseError(
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403, "Registration has been disabled", errcode=Codes.FORBIDDEN
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)
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token = parse_string(request, "token", required=True)
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valid = await self.store.registration_token_is_valid(token)
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return 200, {"valid": valid}
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class RegisterRestServlet(RestServlet):
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PATTERNS = client_patterns("/register$")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.store = hs.get_datastores().main
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self.auth_handler = hs.get_auth_handler()
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self.registration_handler = hs.get_registration_handler()
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self.identity_handler = hs.get_identity_handler()
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self.room_member_handler = hs.get_room_member_handler()
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self.macaroon_gen = hs.get_macaroon_generator()
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self.ratelimiter = hs.get_registration_ratelimiter()
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self.password_policy_handler = hs.get_password_policy_handler()
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self.clock = hs.get_clock()
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self.password_auth_provider = hs.get_password_auth_provider()
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self._registration_enabled = self.hs.config.registration.enable_registration
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self._refresh_tokens_enabled = (
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hs.config.registration.refreshable_access_token_lifetime is not None
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)
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self._inhibit_user_in_use_error = (
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hs.config.registration.inhibit_user_in_use_error
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)
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self._require_approval = (
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hs.config.experimental.msc3866.enabled
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and hs.config.experimental.msc3866.require_approval_for_new_accounts
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)
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self._registration_flows = _calculate_registration_flows(
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hs.config, self.auth_handler
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)
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@interactive_auth_handler
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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body = parse_json_object_from_request(request)
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client_addr = request.getClientAddress().host
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await self.ratelimiter.ratelimit(None, client_addr, update=False)
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kind = parse_string(request, "kind", default="user")
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if kind == "guest":
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ret = await self._do_guest_registration(body, address=client_addr)
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return ret
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elif kind != "user":
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raise UnrecognizedRequestError(
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f"Do not understand membership kind: {kind}",
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)
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# Check if the clients wishes for this registration to issue a refresh
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# token.
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client_requested_refresh_tokens = body.get("refresh_token", False)
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if not isinstance(client_requested_refresh_tokens, bool):
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raise SynapseError(400, "`refresh_token` should be true or false.")
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should_issue_refresh_token = (
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self._refresh_tokens_enabled and client_requested_refresh_tokens
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)
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# Pull out the provided username and do basic sanity checks early since
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# the auth layer will store these in sessions.
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desired_username = None
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if "username" in body:
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if not isinstance(body["username"], str) or len(body["username"]) > 512:
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raise SynapseError(400, "Invalid username")
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desired_username = body["username"]
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# fork off as soon as possible for ASes which have completely
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# different registration flows to normal users
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# == Application Service Registration ==
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if body.get("type") == APP_SERVICE_REGISTRATION_TYPE:
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if not self.auth.has_access_token(request):
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raise SynapseError(
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400,
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"Appservice token must be provided when using a type of m.login.application_service",
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)
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# Set the desired user according to the AS API (which uses the
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# 'user' key not 'username'). Since this is a new addition, we'll
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# fallback to 'username' if they gave one.
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desired_username = body.get("user", desired_username)
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# XXX we should check that desired_username is valid. Currently
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# we give appservices carte blanche for any insanity in mxids,
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# because the IRC bridges rely on being able to register stupid
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# IDs.
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access_token = self.auth.get_access_token_from_request(request)
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if not isinstance(desired_username, str):
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raise SynapseError(400, "Desired Username is missing or not a string")
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result = await self._do_appservice_registration(
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desired_username,
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access_token,
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body,
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should_issue_refresh_token=should_issue_refresh_token,
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)
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return 200, result
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elif self.auth.has_access_token(request):
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raise SynapseError(
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400,
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"An access token should not be provided on requests to /register (except if type is m.login.application_service)",
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)
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# == Normal User Registration == (everyone else)
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if not self._registration_enabled:
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raise SynapseError(403, "Registration has been disabled", Codes.FORBIDDEN)
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# For regular registration, convert the provided username to lowercase
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# before attempting to register it. This should mean that people who try
|
|
# to register with upper-case in their usernames don't get a nasty surprise.
|
|
#
|
|
# Note that we treat usernames case-insensitively in login, so they are
|
|
# free to carry on imagining that their username is CrAzYh4cKeR if that
|
|
# keeps them happy.
|
|
if desired_username is not None:
|
|
desired_username = desired_username.lower()
|
|
|
|
# Check if this account is upgrading from a guest account.
|
|
guest_access_token = body.get("guest_access_token", None)
|
|
|
|
# Pull out the provided password and do basic sanity checks early.
|
|
#
|
|
# Note that we remove the password from the body since the auth layer
|
|
# will store the body in the session and we don't want a plaintext
|
|
# password store there.
|
|
password = body.pop("password", None)
|
|
if password is not None:
|
|
if not isinstance(password, str) or len(password) > 512:
|
|
raise SynapseError(400, "Invalid password")
|
|
self.password_policy_handler.validate_password(password)
|
|
|
|
if "initial_device_display_name" in body and password is None:
|
|
# ignore 'initial_device_display_name' if sent without
|
|
# a password to work around a client bug where it sent
|
|
# the 'initial_device_display_name' param alone, wiping out
|
|
# the original registration params
|
|
logger.warning("Ignoring initial_device_display_name without password")
|
|
del body["initial_device_display_name"]
|
|
|
|
session_id = self.auth_handler.get_session_id(body)
|
|
registered_user_id = None
|
|
password_hash = None
|
|
if session_id:
|
|
# if we get a registered user id out of here, it means we previously
|
|
# registered a user for this session, so we could just return the
|
|
# user here. We carry on and go through the auth checks though,
|
|
# for paranoia.
|
|
registered_user_id = await self.auth_handler.get_session_data(
|
|
session_id, UIAuthSessionDataConstants.REGISTERED_USER_ID, None
|
|
)
|
|
# Extract the previously-hashed password from the session.
|
|
password_hash = await self.auth_handler.get_session_data(
|
|
session_id, UIAuthSessionDataConstants.PASSWORD_HASH, None
|
|
)
|
|
|
|
# Ensure that the username is valid.
|
|
if desired_username is not None:
|
|
await self.registration_handler.check_username(
|
|
desired_username,
|
|
guest_access_token=guest_access_token,
|
|
assigned_user_id=registered_user_id,
|
|
inhibit_user_in_use_error=self._inhibit_user_in_use_error,
|
|
)
|
|
|
|
# Check if the user-interactive authentication flows are complete, if
|
|
# not this will raise a user-interactive auth error.
|
|
try:
|
|
auth_result, params, session_id = await self.auth_handler.check_ui_auth(
|
|
self._registration_flows,
|
|
request,
|
|
body,
|
|
"register a new account",
|
|
)
|
|
except InteractiveAuthIncompleteError as e:
|
|
# The user needs to provide more steps to complete auth.
|
|
#
|
|
# Hash the password and store it with the session since the client
|
|
# is not required to provide the password again.
|
|
#
|
|
# If a password hash was previously stored we will not attempt to
|
|
# re-hash and store it for efficiency. This assumes the password
|
|
# does not change throughout the authentication flow, but this
|
|
# should be fine since the data is meant to be consistent.
|
|
if not password_hash and password:
|
|
password_hash = await self.auth_handler.hash(password)
|
|
await self.auth_handler.set_session_data(
|
|
e.session_id,
|
|
UIAuthSessionDataConstants.PASSWORD_HASH,
|
|
password_hash,
|
|
)
|
|
raise
|
|
|
|
# Check that we're not trying to register a denied 3pid.
|
|
#
|
|
# the user-facing checks will probably already have happened in
|
|
# /register/email/requestToken when we requested a 3pid, but that's not
|
|
# guaranteed.
|
|
if auth_result:
|
|
for login_type in [LoginType.EMAIL_IDENTITY, LoginType.MSISDN]:
|
|
if login_type in auth_result:
|
|
medium = auth_result[login_type]["medium"]
|
|
address = auth_result[login_type]["address"]
|
|
|
|
if not await check_3pid_allowed(
|
|
self.hs, medium, address, registration=True
|
|
):
|
|
raise SynapseError(
|
|
403,
|
|
"Third party identifiers (email/phone numbers)"
|
|
+ " are not authorized on this server",
|
|
Codes.THREEPID_DENIED,
|
|
)
|
|
|
|
if registered_user_id is not None:
|
|
logger.info(
|
|
"Already registered user ID %r for this session", registered_user_id
|
|
)
|
|
# don't re-register the threepids
|
|
registered = False
|
|
else:
|
|
# If we have a password in this request, prefer it. Otherwise, there
|
|
# might be a password hash from an earlier request.
|
|
if password:
|
|
password_hash = await self.auth_handler.hash(password)
|
|
if not password_hash:
|
|
raise SynapseError(400, "Missing params: password", Codes.MISSING_PARAM)
|
|
|
|
desired_username = (
|
|
await (
|
|
self.password_auth_provider.get_username_for_registration(
|
|
auth_result,
|
|
params,
|
|
)
|
|
)
|
|
)
|
|
|
|
if desired_username is None:
|
|
desired_username = params.get("username", None)
|
|
|
|
guest_access_token = params.get("guest_access_token", None)
|
|
|
|
if desired_username is not None:
|
|
desired_username = desired_username.lower()
|
|
|
|
threepid = None
|
|
if auth_result:
|
|
threepid = auth_result.get(LoginType.EMAIL_IDENTITY)
|
|
|
|
# Also check that we're not trying to register a 3pid that's already
|
|
# been registered.
|
|
#
|
|
# This has probably happened in /register/email/requestToken as well,
|
|
# but if a user hits this endpoint twice then clicks on each link from
|
|
# the two activation emails, they would register the same 3pid twice.
|
|
for login_type in [LoginType.EMAIL_IDENTITY, LoginType.MSISDN]:
|
|
if login_type in auth_result:
|
|
medium = auth_result[login_type]["medium"]
|
|
address = auth_result[login_type]["address"]
|
|
# For emails, canonicalise the address.
|
|
# We store all email addresses canonicalised in the DB.
|
|
# (See on_POST in EmailThreepidRequestTokenRestServlet
|
|
# in synapse/rest/client/account.py)
|
|
if medium == "email":
|
|
try:
|
|
address = canonicalise_email(address)
|
|
except ValueError as e:
|
|
raise SynapseError(400, str(e))
|
|
|
|
existing_user_id = await self.store.get_user_id_by_threepid(
|
|
medium, address
|
|
)
|
|
|
|
if existing_user_id is not None:
|
|
raise SynapseError(
|
|
400,
|
|
"%s is already in use" % medium,
|
|
Codes.THREEPID_IN_USE,
|
|
)
|
|
|
|
entries = await self.store.get_user_agents_ips_to_ui_auth_session(
|
|
session_id
|
|
)
|
|
|
|
display_name = (
|
|
await (
|
|
self.password_auth_provider.get_displayname_for_registration(
|
|
auth_result, params
|
|
)
|
|
)
|
|
)
|
|
|
|
registered_user_id = await self.registration_handler.register_user(
|
|
localpart=desired_username,
|
|
password_hash=password_hash,
|
|
guest_access_token=guest_access_token,
|
|
threepid=threepid,
|
|
default_display_name=display_name,
|
|
address=client_addr,
|
|
user_agent_ips=entries,
|
|
)
|
|
# Necessary due to auth checks prior to the threepid being
|
|
# written to the db
|
|
if threepid:
|
|
if is_threepid_reserved(
|
|
self.hs.config.server.mau_limits_reserved_threepids, threepid
|
|
):
|
|
await self.store.upsert_monthly_active_user(registered_user_id)
|
|
|
|
# Remember that the user account has been registered (and the user
|
|
# ID it was registered with, since it might not have been specified).
|
|
await self.auth_handler.set_session_data(
|
|
session_id,
|
|
UIAuthSessionDataConstants.REGISTERED_USER_ID,
|
|
registered_user_id,
|
|
)
|
|
|
|
registered = True
|
|
|
|
return_dict = await self._create_registration_details(
|
|
registered_user_id,
|
|
params,
|
|
should_issue_refresh_token=should_issue_refresh_token,
|
|
)
|
|
|
|
if registered:
|
|
# Check if a token was used to authenticate registration
|
|
registration_token = await self.auth_handler.get_session_data(
|
|
session_id,
|
|
UIAuthSessionDataConstants.REGISTRATION_TOKEN,
|
|
)
|
|
if registration_token:
|
|
# Increment the `completed` counter for the token
|
|
await self.store.use_registration_token(registration_token)
|
|
# Indicate that the token has been successfully used so that
|
|
# pending is not decremented again when expiring old UIA sessions.
|
|
await self.store.mark_ui_auth_stage_complete(
|
|
session_id,
|
|
LoginType.REGISTRATION_TOKEN,
|
|
True,
|
|
)
|
|
|
|
await self.registration_handler.post_registration_actions(
|
|
user_id=registered_user_id,
|
|
auth_result=auth_result,
|
|
access_token=return_dict.get("access_token"),
|
|
)
|
|
|
|
if self._require_approval:
|
|
raise NotApprovedError(
|
|
msg="This account needs to be approved by an administrator before it can be used.",
|
|
approval_notice_medium=ApprovalNoticeMedium.NONE,
|
|
)
|
|
|
|
return 200, return_dict
|
|
|
|
async def _do_appservice_registration(
|
|
self,
|
|
username: str,
|
|
as_token: str,
|
|
body: JsonDict,
|
|
should_issue_refresh_token: bool = False,
|
|
) -> JsonDict:
|
|
user_id = await self.registration_handler.appservice_register(
|
|
username, as_token
|
|
)
|
|
return await self._create_registration_details(
|
|
user_id,
|
|
body,
|
|
is_appservice_ghost=True,
|
|
should_issue_refresh_token=should_issue_refresh_token,
|
|
)
|
|
|
|
async def _create_registration_details(
|
|
self,
|
|
user_id: str,
|
|
params: JsonDict,
|
|
is_appservice_ghost: bool = False,
|
|
should_issue_refresh_token: bool = False,
|
|
) -> JsonDict:
|
|
"""Complete registration of newly-registered user
|
|
|
|
Allocates device_id if one was not given; also creates access_token.
|
|
|
|
Args:
|
|
user_id: full canonical @user:id
|
|
params: registration parameters, from which we pull device_id,
|
|
initial_device_name and inhibit_login
|
|
is_appservice_ghost
|
|
should_issue_refresh_token: True if this registration should issue
|
|
a refresh token alongside the access token.
|
|
Returns:
|
|
dictionary for response from /register
|
|
"""
|
|
result: JsonDict = {
|
|
"user_id": user_id,
|
|
"home_server": self.hs.hostname,
|
|
}
|
|
# We don't want to log the user in if we're going to deny them access because
|
|
# they need to be approved first.
|
|
if not params.get("inhibit_login", False) and not self._require_approval:
|
|
device_id = params.get("device_id")
|
|
initial_display_name = params.get("initial_device_display_name")
|
|
(
|
|
device_id,
|
|
access_token,
|
|
valid_until_ms,
|
|
refresh_token,
|
|
) = await self.registration_handler.register_device(
|
|
user_id,
|
|
device_id,
|
|
initial_display_name,
|
|
is_guest=False,
|
|
is_appservice_ghost=is_appservice_ghost,
|
|
should_issue_refresh_token=should_issue_refresh_token,
|
|
)
|
|
|
|
result.update({"access_token": access_token, "device_id": device_id})
|
|
|
|
if valid_until_ms is not None:
|
|
expires_in_ms = valid_until_ms - self.clock.time_msec()
|
|
result["expires_in_ms"] = expires_in_ms
|
|
|
|
if refresh_token is not None:
|
|
result["refresh_token"] = refresh_token
|
|
|
|
return result
|
|
|
|
async def _do_guest_registration(
|
|
self, params: JsonDict, address: Optional[str] = None
|
|
) -> Tuple[int, JsonDict]:
|
|
if not self.hs.config.registration.allow_guest_access:
|
|
raise SynapseError(403, "Guest access is disabled")
|
|
user_id = await self.registration_handler.register_user(
|
|
make_guest=True, address=address
|
|
)
|
|
|
|
# we don't allow guests to specify their own device_id, because
|
|
# we have nowhere to store it.
|
|
device_id = synapse.api.auth.GUEST_DEVICE_ID
|
|
initial_display_name = params.get("initial_device_display_name")
|
|
(
|
|
device_id,
|
|
access_token,
|
|
valid_until_ms,
|
|
refresh_token,
|
|
) = await self.registration_handler.register_device(
|
|
user_id, device_id, initial_display_name, is_guest=True
|
|
)
|
|
|
|
result: JsonDict = {
|
|
"user_id": user_id,
|
|
"device_id": device_id,
|
|
"access_token": access_token,
|
|
"home_server": self.hs.hostname,
|
|
}
|
|
|
|
if valid_until_ms is not None:
|
|
expires_in_ms = valid_until_ms - self.clock.time_msec()
|
|
result["expires_in_ms"] = expires_in_ms
|
|
|
|
if refresh_token is not None:
|
|
result["refresh_token"] = refresh_token
|
|
|
|
return 200, result
|
|
|
|
|
|
def _calculate_registration_flows(
|
|
config: HomeServerConfig, auth_handler: AuthHandler
|
|
) -> List[List[str]]:
|
|
"""Get a suitable flows list for registration
|
|
|
|
Args:
|
|
config: server configuration
|
|
auth_handler: authorization handler
|
|
|
|
Returns: a list of supported flows
|
|
"""
|
|
# FIXME: need a better error than "no auth flow found" for scenarios
|
|
# where we required 3PID for registration but the user didn't give one
|
|
require_email = "email" in config.registration.registrations_require_3pid
|
|
require_msisdn = "msisdn" in config.registration.registrations_require_3pid
|
|
|
|
show_msisdn = True
|
|
show_email = True
|
|
|
|
if config.registration.disable_msisdn_registration:
|
|
show_msisdn = False
|
|
require_msisdn = False
|
|
|
|
enabled_auth_types = auth_handler.get_enabled_auth_types()
|
|
if LoginType.EMAIL_IDENTITY not in enabled_auth_types:
|
|
show_email = False
|
|
if require_email:
|
|
raise ConfigError(
|
|
"Configuration requires email address at registration, but email "
|
|
"validation is not configured"
|
|
)
|
|
|
|
if LoginType.MSISDN not in enabled_auth_types:
|
|
show_msisdn = False
|
|
if require_msisdn:
|
|
raise ConfigError(
|
|
"Configuration requires msisdn at registration, but msisdn "
|
|
"validation is not configured"
|
|
)
|
|
|
|
flows = []
|
|
|
|
# only support 3PIDless registration if no 3PIDs are required
|
|
if not require_email and not require_msisdn:
|
|
# Add a dummy step here, otherwise if a client completes
|
|
# recaptcha first we'll assume they were going for this flow
|
|
# and complete the request, when they could have been trying to
|
|
# complete one of the flows with email/msisdn auth.
|
|
flows.append([LoginType.DUMMY])
|
|
|
|
# only support the email-only flow if we don't require MSISDN 3PIDs
|
|
if show_email and not require_msisdn:
|
|
flows.append([LoginType.EMAIL_IDENTITY])
|
|
|
|
# only support the MSISDN-only flow if we don't require email 3PIDs
|
|
if show_msisdn and not require_email:
|
|
flows.append([LoginType.MSISDN])
|
|
|
|
if show_email and show_msisdn:
|
|
# always let users provide both MSISDN & email
|
|
flows.append([LoginType.MSISDN, LoginType.EMAIL_IDENTITY])
|
|
|
|
# Add a flow that doesn't require any 3pids, if the config requests it.
|
|
if config.registration.enable_registration_token_3pid_bypass:
|
|
flows.append([LoginType.REGISTRATION_TOKEN])
|
|
|
|
# Prepend m.login.terms to all flows if we're requiring consent
|
|
if config.consent.user_consent_at_registration:
|
|
for flow in flows:
|
|
flow.insert(0, LoginType.TERMS)
|
|
|
|
# Prepend recaptcha to all flows if we're requiring captcha
|
|
if config.captcha.enable_registration_captcha:
|
|
for flow in flows:
|
|
flow.insert(0, LoginType.RECAPTCHA)
|
|
|
|
# Prepend registration token to all flows if we're requiring a token
|
|
if config.registration.registration_requires_token:
|
|
for flow in flows:
|
|
if LoginType.REGISTRATION_TOKEN not in flow:
|
|
flow.insert(0, LoginType.REGISTRATION_TOKEN)
|
|
|
|
return flows
|
|
|
|
|
|
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
|
|
if hs.config.worker.worker_app is None:
|
|
EmailRegisterRequestTokenRestServlet(hs).register(http_server)
|
|
MsisdnRegisterRequestTokenRestServlet(hs).register(http_server)
|
|
UsernameAvailabilityRestServlet(hs).register(http_server)
|
|
RegistrationSubmitTokenServlet(hs).register(http_server)
|
|
RegistrationTokenValidityRestServlet(hs).register(http_server)
|
|
RegisterRestServlet(hs).register(http_server)
|