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- # Copyright 2015 - 2016 OpenMarket Ltd
- # Copyright 2017 Vector Creations 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.
- import logging
- import random
- from typing import TYPE_CHECKING, List, Optional, Tuple
-
- from twisted.web.server import Request
-
- import synapse
- import synapse.api.auth
- import synapse.types
- from synapse.api.constants import (
- APP_SERVICE_REGISTRATION_TYPE,
- ApprovalNoticeMedium,
- LoginType,
- )
- from synapse.api.errors import (
- Codes,
- InteractiveAuthIncompleteError,
- NotApprovedError,
- SynapseError,
- ThreepidValidationError,
- UnrecognizedRequestError,
- )
- from synapse.api.ratelimiting import Ratelimiter
- from synapse.config import ConfigError
- from synapse.config.homeserver import HomeServerConfig
- from synapse.config.ratelimiting import FederationRatelimitSettings
- from synapse.config.server import is_threepid_reserved
- from synapse.handlers.auth import AuthHandler
- from synapse.handlers.ui_auth import UIAuthSessionDataConstants
- from synapse.http.server import HttpServer, finish_request, respond_with_html
- from synapse.http.servlet import (
- RestServlet,
- assert_params_in_dict,
- parse_json_object_from_request,
- parse_string,
- )
- from synapse.http.site import SynapseRequest
- from synapse.metrics import threepid_send_requests
- from synapse.push.mailer import Mailer
- from synapse.types import JsonDict
- from synapse.util.msisdn import phone_number_to_msisdn
- from synapse.util.ratelimitutils import FederationRateLimiter
- from synapse.util.stringutils import assert_valid_client_secret, random_string
- from synapse.util.threepids import (
- canonicalise_email,
- check_3pid_allowed,
- validate_email,
- )
-
- from ._base import client_patterns, interactive_auth_handler
-
- if TYPE_CHECKING:
- from synapse.server import HomeServer
-
- logger = logging.getLogger(__name__)
-
-
- class EmailRegisterRequestTokenRestServlet(RestServlet):
- PATTERNS = client_patterns("/register/email/requestToken$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.identity_handler = hs.get_identity_handler()
- self.config = hs.config
-
- if self.hs.config.email.can_verify_email:
- self.mailer = Mailer(
- hs=self.hs,
- app_name=self.config.email.email_app_name,
- template_html=self.config.email.email_registration_template_html,
- template_text=self.config.email.email_registration_template_text,
- )
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- if not self.hs.config.email.can_verify_email:
- logger.warning(
- "Email registration has been disabled due to lack of email config"
- )
- raise SynapseError(
- 400, "Email-based registration has been disabled on this server"
- )
- body = parse_json_object_from_request(request)
-
- assert_params_in_dict(body, ["client_secret", "email", "send_attempt"])
-
- # Extract params from body
- client_secret = body["client_secret"]
- assert_valid_client_secret(client_secret)
-
- # 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)
- try:
- email = validate_email(body["email"])
- except ValueError as e:
- raise SynapseError(400, str(e))
- send_attempt = body["send_attempt"]
- next_link = body.get("next_link") # Optional param
-
- if not await check_3pid_allowed(self.hs, "email", email, registration=True):
- raise SynapseError(
- 403,
- "Your email domain is not authorized to register on this server",
- Codes.THREEPID_DENIED,
- )
-
- await self.identity_handler.ratelimit_request_token_requests(
- request, "email", email
- )
-
- existing_user_id = await self.hs.get_datastores().main.get_user_id_by_threepid(
- "email", email
- )
-
- if existing_user_id is not None:
- if self.hs.config.server.request_token_inhibit_3pid_errors:
- # Make the client think the operation succeeded. See the rationale in the
- # comments for request_token_inhibit_3pid_errors.
- # Also wait for some random amount of time between 100ms and 1s to make it
- # look like we did something.
- await self.hs.get_clock().sleep(random.randint(1, 10) / 10)
- return 200, {"sid": random_string(16)}
-
- raise SynapseError(400, "Email is already in use", Codes.THREEPID_IN_USE)
-
- # Send registration emails from Synapse
- sid = await self.identity_handler.send_threepid_validation(
- email,
- client_secret,
- send_attempt,
- self.mailer.send_registration_mail,
- next_link,
- )
-
- threepid_send_requests.labels(type="email", reason="register").observe(
- send_attempt
- )
-
- # Wrap the session id in a JSON object
- return 200, {"sid": sid}
-
-
- class MsisdnRegisterRequestTokenRestServlet(RestServlet):
- PATTERNS = client_patterns("/register/msisdn/requestToken$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.identity_handler = hs.get_identity_handler()
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- body = parse_json_object_from_request(request)
-
- assert_params_in_dict(
- body, ["client_secret", "country", "phone_number", "send_attempt"]
- )
- client_secret = body["client_secret"]
- assert_valid_client_secret(client_secret)
- country = body["country"]
- phone_number = body["phone_number"]
- send_attempt = body["send_attempt"]
- next_link = body.get("next_link") # Optional param
-
- msisdn = phone_number_to_msisdn(country, phone_number)
-
- if not await check_3pid_allowed(self.hs, "msisdn", msisdn, registration=True):
- raise SynapseError(
- 403,
- "Phone numbers are not authorized to register on this server",
- Codes.THREEPID_DENIED,
- )
-
- await self.identity_handler.ratelimit_request_token_requests(
- request, "msisdn", msisdn
- )
-
- existing_user_id = await self.hs.get_datastores().main.get_user_id_by_threepid(
- "msisdn", msisdn
- )
-
- if existing_user_id is not None:
- if self.hs.config.server.request_token_inhibit_3pid_errors:
- # Make the client think the operation succeeded. See the rationale in the
- # comments for request_token_inhibit_3pid_errors.
- # Also wait for some random amount of time between 100ms and 1s to make it
- # look like we did something.
- await self.hs.get_clock().sleep(random.randint(1, 10) / 10)
- return 200, {"sid": random_string(16)}
-
- raise SynapseError(
- 400, "Phone number is already in use", Codes.THREEPID_IN_USE
- )
-
- if not self.hs.config.registration.account_threepid_delegate_msisdn:
- logger.warning(
- "No upstream msisdn account_threepid_delegate configured on the server to "
- "handle this request"
- )
- raise SynapseError(
- 400, "Registration by phone number is not supported on this homeserver"
- )
-
- ret = await self.identity_handler.requestMsisdnToken(
- self.hs.config.registration.account_threepid_delegate_msisdn,
- country,
- phone_number,
- client_secret,
- send_attempt,
- next_link,
- )
-
- threepid_send_requests.labels(type="msisdn", reason="register").observe(
- send_attempt
- )
-
- return 200, ret
-
-
- class RegistrationSubmitTokenServlet(RestServlet):
- """Handles registration 3PID validation token submission"""
-
- PATTERNS = client_patterns(
- "/registration/(?P<medium>[^/]*)/submit_token$", releases=(), unstable=True
- )
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.auth = hs.get_auth()
- self.config = hs.config
- self.clock = hs.get_clock()
- self.store = hs.get_datastores().main
-
- if self.config.email.can_verify_email:
- self._failure_email_template = (
- self.config.email.email_registration_template_failure_html
- )
-
- async def on_GET(self, request: Request, medium: str) -> None:
- if medium != "email":
- raise SynapseError(
- 400, "This medium is currently not supported for registration"
- )
- if not self.config.email.can_verify_email:
- logger.warning(
- "User registration via email has been disabled due to lack of email config"
- )
- raise SynapseError(
- 400, "Email-based registration is disabled on this server"
- )
-
- sid = parse_string(request, "sid", required=True)
- client_secret = parse_string(request, "client_secret", required=True)
- assert_valid_client_secret(client_secret)
- token = parse_string(request, "token", required=True)
-
- # Attempt to validate a 3PID session
- try:
- # Mark the session as valid
- next_link = await self.store.validate_threepid_session(
- sid, client_secret, token, self.clock.time_msec()
- )
-
- # Perform a 302 redirect if next_link is set
- if next_link:
- if next_link.startswith("file:///"):
- logger.warning(
- "Not redirecting to next_link as it is a local file: address"
- )
- else:
- request.setResponseCode(302)
- request.setHeader("Location", next_link)
- finish_request(request)
- return None
-
- # Otherwise show the success template
- html = self.config.email.email_registration_template_success_html_content
- status_code = 200
- except ThreepidValidationError as e:
- status_code = e.code
-
- # Show a failure page with a reason
- template_vars = {"failure_reason": e.msg}
- html = self._failure_email_template.render(**template_vars)
-
- respond_with_html(request, status_code, html)
-
-
- class UsernameAvailabilityRestServlet(RestServlet):
- PATTERNS = client_patterns("/register/available")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.registration_handler = hs.get_registration_handler()
- self.ratelimiter = FederationRateLimiter(
- hs.get_clock(),
- FederationRatelimitSettings(
- # Time window of 2s
- window_size=2000,
- # Artificially delay requests if rate > sleep_limit/window_size
- sleep_limit=1,
- # Amount of artificial delay to apply
- sleep_delay=1000,
- # Error with 429 if more than reject_limit requests are queued
- reject_limit=1,
- # Allow 1 request at a time
- concurrent=1,
- ),
- )
-
- self.inhibit_user_in_use_error = (
- hs.config.registration.inhibit_user_in_use_error
- )
-
- async def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
- if not self.hs.config.registration.enable_registration:
- raise SynapseError(
- 403, "Registration has been disabled", errcode=Codes.FORBIDDEN
- )
-
- if self.inhibit_user_in_use_error:
- return 200, {"available": True}
-
- ip = request.getClientAddress().host
- with self.ratelimiter.ratelimit(ip) as wait_deferred:
- await wait_deferred
-
- username = parse_string(request, "username", required=True)
-
- await self.registration_handler.check_username(username)
-
- return 200, {"available": True}
-
-
- class RegistrationTokenValidityRestServlet(RestServlet):
- """Check the validity of a registration token.
-
- Example:
-
- GET /_matrix/client/v1/register/m.login.registration_token/validity?token=abcd
-
- 200 OK
-
- {
- "valid": true
- }
- """
-
- PATTERNS = client_patterns(
- f"/register/{LoginType.REGISTRATION_TOKEN}/validity",
- releases=("v1",),
- )
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.store = hs.get_datastores().main
- self.ratelimiter = Ratelimiter(
- store=self.store,
- clock=hs.get_clock(),
- rate_hz=hs.config.ratelimiting.rc_registration_token_validity.per_second,
- burst_count=hs.config.ratelimiting.rc_registration_token_validity.burst_count,
- )
-
- async def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
- await self.ratelimiter.ratelimit(None, (request.getClientAddress().host,))
-
- if not self.hs.config.registration.enable_registration:
- raise SynapseError(
- 403, "Registration has been disabled", errcode=Codes.FORBIDDEN
- )
-
- token = parse_string(request, "token", required=True)
- valid = await self.store.registration_token_is_valid(token)
-
- return 200, {"valid": valid}
-
-
- class RegisterRestServlet(RestServlet):
- PATTERNS = client_patterns("/register$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
-
- self.hs = hs
- self.auth = hs.get_auth()
- self.store = hs.get_datastores().main
- self.auth_handler = hs.get_auth_handler()
- self.registration_handler = hs.get_registration_handler()
- self.identity_handler = hs.get_identity_handler()
- self.room_member_handler = hs.get_room_member_handler()
- self.macaroon_gen = hs.get_macaroon_generator()
- self.ratelimiter = hs.get_registration_ratelimiter()
- self.password_policy_handler = hs.get_password_policy_handler()
- self.clock = hs.get_clock()
- self.password_auth_provider = hs.get_password_auth_provider()
- self._registration_enabled = self.hs.config.registration.enable_registration
- self._refresh_tokens_enabled = (
- hs.config.registration.refreshable_access_token_lifetime is not None
- )
- self._inhibit_user_in_use_error = (
- hs.config.registration.inhibit_user_in_use_error
- )
-
- self._require_approval = (
- hs.config.experimental.msc3866.enabled
- and hs.config.experimental.msc3866.require_approval_for_new_accounts
- )
-
- self._registration_flows = _calculate_registration_flows(
- hs.config, self.auth_handler
- )
-
- @interactive_auth_handler
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- body = parse_json_object_from_request(request)
-
- client_addr = request.getClientAddress().host
-
- await self.ratelimiter.ratelimit(None, client_addr, update=False)
-
- kind = parse_string(request, "kind", default="user")
-
- if kind == "guest":
- ret = await self._do_guest_registration(body, address=client_addr)
- return ret
- elif kind != "user":
- raise UnrecognizedRequestError(
- f"Do not understand membership kind: {kind}",
- )
-
- # Check if the clients wishes for this registration to issue a refresh
- # token.
- client_requested_refresh_tokens = body.get("refresh_token", False)
- if not isinstance(client_requested_refresh_tokens, bool):
- raise SynapseError(400, "`refresh_token` should be true or false.")
-
- should_issue_refresh_token = (
- self._refresh_tokens_enabled and client_requested_refresh_tokens
- )
-
- # Pull out the provided username and do basic sanity checks early since
- # the auth layer will store these in sessions.
- desired_username = None
- if "username" in body:
- if not isinstance(body["username"], str) or len(body["username"]) > 512:
- raise SynapseError(400, "Invalid username")
- desired_username = body["username"]
-
- # fork off as soon as possible for ASes which have completely
- # different registration flows to normal users
-
- # == Application Service Registration ==
- if body.get("type") == APP_SERVICE_REGISTRATION_TYPE:
- if not self.auth.has_access_token(request):
- raise SynapseError(
- 400,
- "Appservice token must be provided when using a type of m.login.application_service",
- )
-
- # Set the desired user according to the AS API (which uses the
- # 'user' key not 'username'). Since this is a new addition, we'll
- # fallback to 'username' if they gave one.
- desired_username = body.get("user", desired_username)
-
- # XXX we should check that desired_username is valid. Currently
- # we give appservices carte blanche for any insanity in mxids,
- # because the IRC bridges rely on being able to register stupid
- # IDs.
-
- access_token = self.auth.get_access_token_from_request(request)
-
- if not isinstance(desired_username, str):
- raise SynapseError(400, "Desired Username is missing or not a string")
-
- result = await self._do_appservice_registration(
- desired_username,
- access_token,
- body,
- should_issue_refresh_token=should_issue_refresh_token,
- )
-
- return 200, result
- elif self.auth.has_access_token(request):
- raise SynapseError(
- 400,
- "An access token should not be provided on requests to /register (except if type is m.login.application_service)",
- )
-
- # == Normal User Registration == (everyone else)
- if not self._registration_enabled:
- raise SynapseError(403, "Registration has been disabled", Codes.FORBIDDEN)
-
- # For regular registration, convert the provided username to lowercase
- # 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)
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