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- # Copyright 2015, 2016 OpenMarket Ltd
- # Copyright 2017 Vector Creations Ltd
- # Copyright 2018 New Vector Ltd
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import logging
- import random
- from typing import TYPE_CHECKING, List, Optional, Tuple
- from urllib.parse import urlparse
-
- from synapse._pydantic_compat import HAS_PYDANTIC_V2
-
- if TYPE_CHECKING or HAS_PYDANTIC_V2:
- from pydantic.v1 import StrictBool, StrictStr, constr
- else:
- from pydantic import StrictBool, StrictStr, constr
- from typing_extensions import Literal
-
- from twisted.web.server import Request
-
- from synapse.api.constants import LoginType
- from synapse.api.errors import (
- Codes,
- InteractiveAuthIncompleteError,
- NotFoundError,
- SynapseError,
- ThreepidValidationError,
- )
- 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_and_validate_json_object_from_request,
- 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.rest.client.models import (
- AuthenticationData,
- ClientSecretStr,
- EmailRequestTokenBody,
- MsisdnRequestTokenBody,
- )
- from synapse.rest.models import RequestBodyModel
- from synapse.types import JsonDict
- from synapse.util.msisdn import phone_number_to_msisdn
- from synapse.util.stringutils import assert_valid_client_secret, random_string
- from synapse.util.threepids import 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 EmailPasswordRequestTokenRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/password/email/requestToken$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.datastore = hs.get_datastores().main
- self.config = hs.config
- self.identity_handler = hs.get_identity_handler()
-
- if self.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_password_reset_template_html,
- template_text=self.config.email.email_password_reset_template_text,
- )
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- if not self.config.email.can_verify_email:
- logger.warning(
- "User password resets have been disabled due to lack of email config"
- )
- raise SynapseError(
- 400, "Email-based password resets have been disabled on this server"
- )
-
- body = parse_and_validate_json_object_from_request(
- request, EmailRequestTokenBody
- )
-
- if body.next_link:
- # Raise if the provided next_link value isn't valid
- assert_valid_next_link(self.hs, body.next_link)
-
- await self.identity_handler.ratelimit_request_token_requests(
- request, "email", body.email
- )
-
- # The email will be sent to the stored address.
- # This avoids a potential account hijack by requesting a password reset to
- # an email address which is controlled by the attacker but which, after
- # canonicalisation, matches the one in our database.
- existing_user_id = await self.hs.get_datastores().main.get_user_id_by_threepid(
- "email", body.email
- )
-
- if existing_user_id is None:
- if self.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 not found", Codes.THREEPID_NOT_FOUND)
-
- # Send password reset emails from Synapse
- sid = await self.identity_handler.send_threepid_validation(
- body.email,
- body.client_secret,
- body.send_attempt,
- self.mailer.send_password_reset_mail,
- body.next_link,
- )
- threepid_send_requests.labels(type="email", reason="password_reset").observe(
- body.send_attempt
- )
-
- # Wrap the session id in a JSON object
- return 200, {"sid": sid}
-
-
- class PasswordRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/password$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.auth = hs.get_auth()
- self.auth_handler = hs.get_auth_handler()
- self.datastore = self.hs.get_datastores().main
- self.password_policy_handler = hs.get_password_policy_handler()
- self._set_password_handler = hs.get_set_password_handler()
-
- class PostBody(RequestBodyModel):
- auth: Optional[AuthenticationData] = None
- logout_devices: StrictBool = True
- if TYPE_CHECKING:
- # workaround for https://github.com/samuelcolvin/pydantic/issues/156
- new_password: Optional[StrictStr] = None
- else:
- new_password: Optional[constr(max_length=512, strict=True)] = None
-
- @interactive_auth_handler
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- # we do basic sanity checks here because the auth layer will store these
- # in sessions. Pull out the new password provided to us.
- new_password = body.new_password
- if new_password is not None:
- self.password_policy_handler.validate_password(new_password)
-
- # there are two possibilities here. Either the user does not have an
- # access token, and needs to do a password reset; or they have one and
- # need to validate their identity.
- #
- # In the first case, we offer a couple of means of identifying
- # themselves (email and msisdn, though it's unclear if msisdn actually
- # works).
- #
- # In the second case, we require a password to confirm their identity.
-
- try:
- requester = None
- if self.auth.has_access_token(request):
- requester = await self.auth.get_user_by_req(request)
- params, session_id = await self.auth_handler.validate_user_via_ui_auth(
- requester,
- request,
- body.dict(exclude_unset=True, exclude={"new_password"}),
- "modify your account password",
- )
- user_id = requester.user.to_string()
- else:
- result, params, session_id = await self.auth_handler.check_ui_auth(
- [[LoginType.EMAIL_IDENTITY]],
- request,
- body.dict(exclude_unset=True, exclude={"new_password"}),
- "modify your account password",
- )
-
- if LoginType.EMAIL_IDENTITY in result:
- threepid = result[LoginType.EMAIL_IDENTITY]
- if "medium" not in threepid or "address" not in threepid:
- raise SynapseError(500, "Malformed threepid")
- if threepid["medium"] == "email":
- # For emails, canonicalise the address.
- # We store all email addresses canonicalised in the DB.
- # (See add_threepid in synapse/handlers/auth.py)
- try:
- threepid["address"] = validate_email(threepid["address"])
- except ValueError as e:
- raise SynapseError(400, str(e))
- # if using email, we must know about the email they're authing with!
- threepid_user_id = await self.datastore.get_user_id_by_threepid(
- threepid["medium"], threepid["address"]
- )
- if not threepid_user_id:
- raise SynapseError(
- 404, "Email address not found", Codes.NOT_FOUND
- )
- user_id = threepid_user_id
- else:
- logger.error("Auth succeeded but no known type! %r", result.keys())
- raise SynapseError(500, "", Codes.UNKNOWN)
-
- except InteractiveAuthIncompleteError as e:
- # The user needs to provide more steps to complete auth, but
- # they're not required to provide the password again.
- #
- # If a password is available now, hash the provided password and
- # store it for later. We only do this if we don't already have the
- # password hash stored, to avoid repeatedly hashing the password.
-
- if not new_password:
- raise
-
- existing_session_password_hash = await self.auth_handler.get_session_data(
- e.session_id, UIAuthSessionDataConstants.PASSWORD_HASH, None
- )
- if existing_session_password_hash:
- raise
-
- new_password_hash = await self.auth_handler.hash(new_password)
- await self.auth_handler.set_session_data(
- e.session_id,
- UIAuthSessionDataConstants.PASSWORD_HASH,
- new_password_hash,
- )
- raise
-
- # If we have a password in this request, prefer it. Otherwise, use the
- # password hash from an earlier request.
- if new_password:
- password_hash: Optional[str] = await self.auth_handler.hash(new_password)
- elif session_id is not None:
- password_hash = existing_session_password_hash
- else:
- # UI validation was skipped, but the request did not include a new
- # password.
- password_hash = None
- if not password_hash:
- raise SynapseError(400, "Missing params: password", Codes.MISSING_PARAM)
-
- logout_devices = params.get("logout_devices", True)
-
- await self._set_password_handler.set_password(
- user_id, password_hash, logout_devices, requester
- )
-
- return 200, {}
-
-
- class DeactivateAccountRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/deactivate$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.auth = hs.get_auth()
- self.auth_handler = hs.get_auth_handler()
- self._deactivate_account_handler = hs.get_deactivate_account_handler()
-
- class PostBody(RequestBodyModel):
- auth: Optional[AuthenticationData] = None
- id_server: Optional[StrictStr] = None
- # Not specced, see https://github.com/matrix-org/matrix-spec/issues/297
- erase: StrictBool = False
-
- @interactive_auth_handler
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- requester = await self.auth.get_user_by_req(request)
-
- # allow ASes to deactivate their own users
- if requester.app_service:
- await self._deactivate_account_handler.deactivate_account(
- requester.user.to_string(), body.erase, requester
- )
- return 200, {}
-
- await self.auth_handler.validate_user_via_ui_auth(
- requester,
- request,
- body.dict(exclude_unset=True),
- "deactivate your account",
- )
- result = await self._deactivate_account_handler.deactivate_account(
- requester.user.to_string(), body.erase, requester, id_server=body.id_server
- )
- if result:
- id_server_unbind_result = "success"
- else:
- id_server_unbind_result = "no-support"
-
- return 200, {"id_server_unbind_result": id_server_unbind_result}
-
-
- class EmailThreepidRequestTokenRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid/email/requestToken$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.config = hs.config
- self.identity_handler = hs.get_identity_handler()
- self.store = self.hs.get_datastores().main
-
- if self.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_add_threepid_template_html,
- template_text=self.config.email.email_add_threepid_template_text,
- )
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- if not self.hs.config.registration.enable_3pid_changes:
- raise SynapseError(
- 400, "3PID changes are disabled on this server", Codes.FORBIDDEN
- )
-
- if not self.config.email.can_verify_email:
- logger.warning(
- "Adding emails have been disabled due to lack of an email config"
- )
- raise SynapseError(
- 400,
- "Adding an email to your account is disabled on this server",
- )
-
- body = parse_and_validate_json_object_from_request(
- request, EmailRequestTokenBody
- )
-
- if not await check_3pid_allowed(self.hs, "email", body.email):
- raise SynapseError(
- 403,
- "Your email domain is not authorized on this server",
- Codes.THREEPID_DENIED,
- )
-
- await self.identity_handler.ratelimit_request_token_requests(
- request, "email", body.email
- )
-
- if body.next_link:
- # Raise if the provided next_link value isn't valid
- assert_valid_next_link(self.hs, body.next_link)
-
- existing_user_id = await self.store.get_user_id_by_threepid("email", body.email)
-
- if existing_user_id is not None:
- if self.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 threepid validation emails from Synapse
- sid = await self.identity_handler.send_threepid_validation(
- body.email,
- body.client_secret,
- body.send_attempt,
- self.mailer.send_add_threepid_mail,
- body.next_link,
- )
-
- threepid_send_requests.labels(type="email", reason="add_threepid").observe(
- body.send_attempt
- )
-
- # Wrap the session id in a JSON object
- return 200, {"sid": sid}
-
-
- class MsisdnThreepidRequestTokenRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid/msisdn/requestToken$")
-
- def __init__(self, hs: "HomeServer"):
- self.hs = hs
- super().__init__()
- self.store = self.hs.get_datastores().main
- self.identity_handler = hs.get_identity_handler()
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- body = parse_and_validate_json_object_from_request(
- request, MsisdnRequestTokenBody
- )
- msisdn = phone_number_to_msisdn(body.country, body.phone_number)
- logger.info("Request #%s to verify ownership of %s", body.send_attempt, msisdn)
-
- if not await check_3pid_allowed(self.hs, "msisdn", msisdn):
- raise SynapseError(
- 403,
- # TODO: is this error message accurate? Looks like we've only rejected
- # this phone number, not necessarily all phone numbers
- "Account phone numbers are not authorized on this server",
- Codes.THREEPID_DENIED,
- )
-
- await self.identity_handler.ratelimit_request_token_requests(
- request, "msisdn", msisdn
- )
-
- if body.next_link:
- # Raise if the provided next_link value isn't valid
- assert_valid_next_link(self.hs, body.next_link)
-
- existing_user_id = await self.store.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)}
-
- logger.info("MSISDN %s is already in use by %s", msisdn, existing_user_id)
- raise SynapseError(400, "MSISDN 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,
- "Adding phone numbers to user account is not supported by this homeserver",
- )
-
- ret = await self.identity_handler.requestMsisdnToken(
- self.hs.config.registration.account_threepid_delegate_msisdn,
- body.country,
- body.phone_number,
- body.client_secret,
- body.send_attempt,
- body.next_link,
- )
-
- threepid_send_requests.labels(type="msisdn", reason="add_threepid").observe(
- body.send_attempt
- )
- logger.info("MSISDN %s: got response from identity server: %s", msisdn, ret)
-
- return 200, ret
-
-
- class AddThreepidEmailSubmitTokenServlet(RestServlet):
- """Handles 3PID validation token submission for adding an email to a user's account"""
-
- PATTERNS = client_patterns(
- "/add_threepid/email/submit_token$", releases=(), unstable=True
- )
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- 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_add_threepid_template_failure_html
- )
-
- async def on_GET(self, request: Request) -> None:
- if not self.config.email.can_verify_email:
- logger.warning(
- "Adding emails have been disabled due to lack of an email config"
- )
- raise SynapseError(
- 400, "Adding an email to your account is disabled on this server"
- )
-
- sid = parse_string(request, "sid", required=True)
- token = parse_string(request, "token", required=True)
- client_secret = parse_string(request, "client_secret", required=True)
- assert_valid_client_secret(client_secret)
-
- # 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:
- request.setResponseCode(302)
- request.setHeader("Location", next_link)
- finish_request(request)
- return None
-
- # Otherwise show the success template
- html = self.config.email.email_add_threepid_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 AddThreepidMsisdnSubmitTokenServlet(RestServlet):
- """Handles 3PID validation token submission for adding a phone number to a user's
- account
- """
-
- PATTERNS = client_patterns(
- "/add_threepid/msisdn/submit_token$", releases=(), unstable=True
- )
-
- class PostBody(RequestBodyModel):
- client_secret: ClientSecretStr
- sid: StrictStr
- token: StrictStr
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.config = hs.config
- self.clock = hs.get_clock()
- self.store = hs.get_datastores().main
- self.identity_handler = hs.get_identity_handler()
-
- async def on_POST(self, request: Request) -> Tuple[int, JsonDict]:
- if not self.config.registration.account_threepid_delegate_msisdn:
- raise SynapseError(
- 400,
- "This homeserver is not validating phone numbers. Use an identity server "
- "instead.",
- )
-
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- # Proxy submit_token request to msisdn threepid delegate
- response = await self.identity_handler.proxy_msisdn_submit_token(
- self.config.registration.account_threepid_delegate_msisdn,
- body.client_secret,
- body.sid,
- body.token,
- )
- return 200, response
-
-
- class ThreepidRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid$")
- # This is used as a proxy for all the 3pid endpoints.
-
- CATEGORY = "Client API requests"
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.identity_handler = hs.get_identity_handler()
- self.auth = hs.get_auth()
- self.auth_handler = hs.get_auth_handler()
- self.datastore = self.hs.get_datastores().main
-
- async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- requester = await self.auth.get_user_by_req(request)
-
- threepids = await self.datastore.user_get_threepids(requester.user.to_string())
-
- return 200, {"threepids": threepids}
-
- # NOTE(dmr): I have chosen not to use Pydantic to parse this request's body, because
- # the endpoint is deprecated. (If you really want to, you could do this by reusing
- # ThreePidBindRestServelet.PostBody with an `alias_generator` to handle
- # `threePidCreds` versus `three_pid_creds`.
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- if self.hs.config.experimental.msc3861.enabled:
- raise NotFoundError(errcode=Codes.UNRECOGNIZED)
-
- if not self.hs.config.registration.enable_3pid_changes:
- raise SynapseError(
- 400, "3PID changes are disabled on this server", Codes.FORBIDDEN
- )
-
- requester = await self.auth.get_user_by_req(request)
- user_id = requester.user.to_string()
- body = parse_json_object_from_request(request)
-
- threepid_creds = body.get("threePidCreds") or body.get("three_pid_creds")
- if threepid_creds is None:
- raise SynapseError(
- 400, "Missing param three_pid_creds", Codes.MISSING_PARAM
- )
- assert_params_in_dict(threepid_creds, ["client_secret", "sid"])
-
- sid = threepid_creds["sid"]
- client_secret = threepid_creds["client_secret"]
- assert_valid_client_secret(client_secret)
-
- validation_session = await self.identity_handler.validate_threepid_session(
- client_secret, sid
- )
- if validation_session:
- await self.auth_handler.add_threepid(
- user_id,
- validation_session["medium"],
- validation_session["address"],
- validation_session["validated_at"],
- )
- return 200, {}
-
- raise SynapseError(
- 400, "No validated 3pid session found", Codes.THREEPID_AUTH_FAILED
- )
-
-
- class ThreepidAddRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid/add$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.identity_handler = hs.get_identity_handler()
- self.auth = hs.get_auth()
- self.auth_handler = hs.get_auth_handler()
-
- class PostBody(RequestBodyModel):
- auth: Optional[AuthenticationData] = None
- client_secret: ClientSecretStr
- sid: StrictStr
-
- @interactive_auth_handler
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- if not self.hs.config.registration.enable_3pid_changes:
- raise SynapseError(
- 400, "3PID changes are disabled on this server", Codes.FORBIDDEN
- )
-
- requester = await self.auth.get_user_by_req(request)
- user_id = requester.user.to_string()
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- await self.auth_handler.validate_user_via_ui_auth(
- requester,
- request,
- body.dict(exclude_unset=True),
- "add a third-party identifier to your account",
- )
-
- validation_session = await self.identity_handler.validate_threepid_session(
- body.client_secret, body.sid
- )
- if validation_session:
- await self.auth_handler.add_threepid(
- user_id,
- validation_session["medium"],
- validation_session["address"],
- validation_session["validated_at"],
- )
- return 200, {}
-
- raise SynapseError(
- 400, "No validated 3pid session found", Codes.THREEPID_AUTH_FAILED
- )
-
-
- class ThreepidBindRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid/bind$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.identity_handler = hs.get_identity_handler()
- self.auth = hs.get_auth()
-
- class PostBody(RequestBodyModel):
- client_secret: ClientSecretStr
- id_access_token: StrictStr
- id_server: StrictStr
- sid: StrictStr
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- requester = await self.auth.get_user_by_req(request)
- user_id = requester.user.to_string()
-
- await self.identity_handler.bind_threepid(
- body.client_secret, body.sid, user_id, body.id_server, body.id_access_token
- )
-
- return 200, {}
-
-
- class ThreepidUnbindRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid/unbind$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.identity_handler = hs.get_identity_handler()
- self.auth = hs.get_auth()
- self.datastore = self.hs.get_datastores().main
-
- class PostBody(RequestBodyModel):
- address: StrictStr
- id_server: Optional[StrictStr] = None
- medium: Literal["email", "msisdn"]
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- """Unbind the given 3pid from a specific identity server, or identity servers that are
- known to have this 3pid bound
- """
- requester = await self.auth.get_user_by_req(request)
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- # Attempt to unbind the threepid from an identity server. If id_server is None, try to
- # unbind from all identity servers this threepid has been added to in the past
- result = await self.identity_handler.try_unbind_threepid(
- requester.user.to_string(), body.medium, body.address, body.id_server
- )
- return 200, {"id_server_unbind_result": "success" if result else "no-support"}
-
-
- class ThreepidDeleteRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/3pid/delete$")
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.hs = hs
- self.auth = hs.get_auth()
- self.auth_handler = hs.get_auth_handler()
-
- class PostBody(RequestBodyModel):
- address: StrictStr
- id_server: Optional[StrictStr] = None
- medium: Literal["email", "msisdn"]
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- if not self.hs.config.registration.enable_3pid_changes:
- raise SynapseError(
- 400, "3PID changes are disabled on this server", Codes.FORBIDDEN
- )
-
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- requester = await self.auth.get_user_by_req(request)
- user_id = requester.user.to_string()
-
- try:
- # Attempt to remove any known bindings of this third-party ID
- # and user ID from identity servers.
- ret = await self.hs.get_identity_handler().try_unbind_threepid(
- user_id, body.medium, body.address, body.id_server
- )
- except Exception:
- # NB. This endpoint should succeed if there is nothing to
- # delete, so it should only throw if something is wrong
- # that we ought to care about.
- logger.exception("Failed to remove threepid")
- raise SynapseError(500, "Failed to remove threepid")
-
- if ret:
- id_server_unbind_result = "success"
- else:
- id_server_unbind_result = "no-support"
-
- # Delete the local association of this user ID and third-party ID.
- await self.auth_handler.delete_local_threepid(
- user_id, body.medium, body.address
- )
-
- return 200, {"id_server_unbind_result": id_server_unbind_result}
-
-
- def assert_valid_next_link(hs: "HomeServer", next_link: str) -> None:
- """
- Raises a SynapseError if a given next_link value is invalid
-
- next_link is valid if the scheme is http(s) and the next_link.domain_whitelist config
- option is either empty or contains a domain that matches the one in the given next_link
-
- Args:
- hs: The homeserver object
- next_link: The next_link value given by the client
-
- Raises:
- SynapseError: If the next_link is invalid
- """
- valid = True
-
- # Parse the contents of the URL
- next_link_parsed = urlparse(next_link)
-
- # Scheme must not point to the local drive
- if next_link_parsed.scheme == "file":
- valid = False
-
- # If the domain whitelist is set, the domain must be in it
- if (
- valid
- and hs.config.server.next_link_domain_whitelist is not None
- and next_link_parsed.hostname not in hs.config.server.next_link_domain_whitelist
- ):
- valid = False
-
- if not valid:
- raise SynapseError(
- 400,
- "'next_link' domain not included in whitelist, or not http(s)",
- errcode=Codes.INVALID_PARAM,
- )
-
-
- class WhoamiRestServlet(RestServlet):
- PATTERNS = client_patterns("/account/whoami$")
- CATEGORY = "Client API requests"
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.auth = hs.get_auth()
-
- async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- requester = await self.auth.get_user_by_req(request, allow_guest=True)
-
- response = {
- "user_id": requester.user.to_string(),
- # Entered spec in Matrix 1.2
- "is_guest": bool(requester.is_guest),
- }
-
- # Appservices and similar accounts do not have device IDs
- # that we can report on, so exclude them for compliance.
- if requester.device_id is not None:
- response["device_id"] = requester.device_id
-
- return 200, response
-
-
- class AccountStatusRestServlet(RestServlet):
- PATTERNS = client_patterns(
- "/org.matrix.msc3720/account_status$", unstable=True, releases=()
- )
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self._auth = hs.get_auth()
- self._account_handler = hs.get_account_handler()
-
- class PostBody(RequestBodyModel):
- # TODO: we could validate that each user id is an mxid here, and/or parse it
- # as a UserID
- user_ids: List[StrictStr]
-
- async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
- await self._auth.get_user_by_req(request)
-
- body = parse_and_validate_json_object_from_request(request, self.PostBody)
-
- statuses, failures = await self._account_handler.get_account_statuses(
- body.user_ids,
- allow_remote=True,
- )
-
- return 200, {"account_statuses": statuses, "failures": failures}
-
-
- def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
- if hs.config.worker.worker_app is None:
- if not hs.config.experimental.msc3861.enabled:
- EmailPasswordRequestTokenRestServlet(hs).register(http_server)
- DeactivateAccountRestServlet(hs).register(http_server)
- PasswordRestServlet(hs).register(http_server)
- EmailThreepidRequestTokenRestServlet(hs).register(http_server)
- MsisdnThreepidRequestTokenRestServlet(hs).register(http_server)
- AddThreepidEmailSubmitTokenServlet(hs).register(http_server)
- AddThreepidMsisdnSubmitTokenServlet(hs).register(http_server)
- ThreepidRestServlet(hs).register(http_server)
- if hs.config.worker.worker_app is None:
- ThreepidBindRestServlet(hs).register(http_server)
- ThreepidUnbindRestServlet(hs).register(http_server)
- if not hs.config.experimental.msc3861.enabled:
- ThreepidAddRestServlet(hs).register(http_server)
- ThreepidDeleteRestServlet(hs).register(http_server)
- WhoamiRestServlet(hs).register(http_server)
-
- if hs.config.worker.worker_app is None and hs.config.experimental.msc3720_enabled:
- AccountStatusRestServlet(hs).register(http_server)
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