mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-25 01:49:24 -05:00
Factor out a validate_user_via_ui_auth method
Collect together all the places that validate a logged-in user via UI auth.
This commit is contained in:
Richard van der Hoff
parent
aa6ecf0984
commit
d7ea8c4800
@ -88,6 +88,49 @@ class AuthHandler(BaseHandler):
|
||||
)
|
||||
self._supported_login_types = frozenset(login_types)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def validate_user_via_ui_auth(self, requester, request_body, clientip):
|
||||
"""
|
||||
Checks that the user is who they claim to be, via a UI auth.
|
||||
|
||||
This is used for things like device deletion and password reset where
|
||||
the user already has a valid access token, but we want to double-check
|
||||
that it isn't stolen by re-authenticating them.
|
||||
|
||||
Args:
|
||||
requester (Requester): The user, as given by the access token
|
||||
|
||||
request_body (dict): The body of the request sent by the client
|
||||
|
||||
clientip (str): The IP address of the client.
|
||||
|
||||
Returns:
|
||||
defer.Deferred[dict]: the parameters for this request (which may
|
||||
have been given only in a previous call).
|
||||
|
||||
Raises:
|
||||
InteractiveAuthIncompleteError if the client has not yet completed
|
||||
any of the permitted login flows
|
||||
|
||||
AuthError if the client has completed a login flow, and it gives
|
||||
a different user to `requester`
|
||||
"""
|
||||
|
||||
# we only support password login here
|
||||
flows = [[LoginType.PASSWORD]]
|
||||
|
||||
result, params, _ = yield self.check_auth(
|
||||
flows, request_body, clientip,
|
||||
)
|
||||
|
||||
user_id = result[LoginType.PASSWORD]
|
||||
|
||||
# check that the UI auth matched the access token
|
||||
if user_id != requester.user.to_string():
|
||||
raise AuthError(403, "Invalid auth")
|
||||
|
||||
defer.returnValue(params)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def check_auth(self, flows, clientdict, clientip):
|
||||
"""
|
||||
|
||||
@ -19,7 +19,7 @@ from twisted.internet import defer
|
||||
|
||||
from synapse.api.auth import has_access_token
|
||||
from synapse.api.constants import LoginType
|
||||
from synapse.api.errors import Codes, LoginError, SynapseError
|
||||
from synapse.api.errors import Codes, SynapseError
|
||||
from synapse.http.servlet import (
|
||||
RestServlet, assert_params_in_request,
|
||||
parse_json_object_from_request,
|
||||
@ -103,44 +103,50 @@ class PasswordRestServlet(RestServlet):
|
||||
@interactive_auth_handler
|
||||
@defer.inlineCallbacks
|
||||
def on_POST(self, request):
|
||||
yield run_on_reactor()
|
||||
|
||||
body = parse_json_object_from_request(request)
|
||||
|
||||
result, params, _ = yield self.auth_handler.check_auth([
|
||||
[LoginType.PASSWORD],
|
||||
[LoginType.EMAIL_IDENTITY],
|
||||
[LoginType.MSISDN],
|
||||
], body, self.hs.get_ip_from_request(request))
|
||||
# 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.
|
||||
|
||||
user_id = None
|
||||
requester = None
|
||||
|
||||
if LoginType.PASSWORD in result:
|
||||
# if using password, they should also be logged in
|
||||
if has_access_token(request):
|
||||
requester = yield self.auth.get_user_by_req(request)
|
||||
user_id = requester.user.to_string()
|
||||
if user_id != result[LoginType.PASSWORD]:
|
||||
raise LoginError(400, "", Codes.UNKNOWN)
|
||||
elif 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, transform the address to lowercase.
|
||||
# We store all email addreses as lowercase in the DB.
|
||||
# (See add_threepid in synapse/handlers/auth.py)
|
||||
threepid['address'] = threepid['address'].lower()
|
||||
# if using email, we must know about the email they're authing with!
|
||||
threepid_user_id = yield self.datastore.get_user_id_by_threepid(
|
||||
threepid['medium'], threepid['address']
|
||||
params = yield self.auth_handler.validate_user_via_ui_auth(
|
||||
requester, body, self.hs.get_ip_from_request(request),
|
||||
)
|
||||
if not threepid_user_id:
|
||||
raise SynapseError(404, "Email address not found", Codes.NOT_FOUND)
|
||||
user_id = threepid_user_id
|
||||
user_id = requester.user.to_string()
|
||||
else:
|
||||
logger.error("Auth succeeded but no known type!", result.keys())
|
||||
raise SynapseError(500, "", Codes.UNKNOWN)
|
||||
requester = None
|
||||
result, params, _ = yield self.auth_handler.check_auth(
|
||||
[[LoginType.EMAIL_IDENTITY], [LoginType.MSISDN]],
|
||||
body, self.hs.get_ip_from_request(request),
|
||||
)
|
||||
|
||||
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, transform the address to lowercase.
|
||||
# We store all email addreses as lowercase in the DB.
|
||||
# (See add_threepid in synapse/handlers/auth.py)
|
||||
threepid['address'] = threepid['address'].lower()
|
||||
# if using email, we must know about the email they're authing with!
|
||||
threepid_user_id = yield 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!", result.keys())
|
||||
raise SynapseError(500, "", Codes.UNKNOWN)
|
||||
|
||||
if 'new_password' not in params:
|
||||
raise SynapseError(400, "", Codes.MISSING_PARAM)
|
||||
@ -171,40 +177,21 @@ class DeactivateAccountRestServlet(RestServlet):
|
||||
def on_POST(self, request):
|
||||
body = parse_json_object_from_request(request)
|
||||
|
||||
# if the caller provides an access token, it ought to be valid.
|
||||
requester = None
|
||||
if has_access_token(request):
|
||||
requester = yield self.auth.get_user_by_req(
|
||||
request,
|
||||
) # type: synapse.types.Requester
|
||||
requester = yield self.auth.get_user_by_req(request)
|
||||
|
||||
# allow ASes to dectivate their own users
|
||||
if requester and requester.app_service:
|
||||
if requester.app_service:
|
||||
yield self._deactivate_account_handler.deactivate_account(
|
||||
requester.user.to_string()
|
||||
)
|
||||
defer.returnValue((200, {}))
|
||||
|
||||
result, params, _ = yield self.auth_handler.check_auth([
|
||||
[LoginType.PASSWORD],
|
||||
], body, self.hs.get_ip_from_request(request))
|
||||
|
||||
if LoginType.PASSWORD in result:
|
||||
user_id = result[LoginType.PASSWORD]
|
||||
# if using password, they should also be logged in
|
||||
if requester is None:
|
||||
raise SynapseError(
|
||||
400,
|
||||
"Deactivate account requires an access_token",
|
||||
errcode=Codes.MISSING_TOKEN
|
||||
)
|
||||
if requester.user.to_string() != user_id:
|
||||
raise LoginError(400, "", Codes.UNKNOWN)
|
||||
else:
|
||||
logger.error("Auth succeeded but no known type!", result.keys())
|
||||
raise SynapseError(500, "", Codes.UNKNOWN)
|
||||
|
||||
yield self._deactivate_account_handler.deactivate_account(user_id)
|
||||
yield self.auth_handler.validate_user_via_ui_auth(
|
||||
requester, body, self.hs.get_ip_from_request(request),
|
||||
)
|
||||
yield self._deactivate_account_handler.deactivate_account(
|
||||
requester.user.to_string(),
|
||||
)
|
||||
defer.returnValue((200, {}))
|
||||
|
||||
|
||||
|
||||
@ -17,7 +17,7 @@ import logging
|
||||
|
||||
from twisted.internet import defer
|
||||
|
||||
from synapse.api import constants, errors
|
||||
from synapse.api import errors
|
||||
from synapse.http import servlet
|
||||
from ._base import client_v2_patterns, interactive_auth_handler
|
||||
|
||||
@ -63,6 +63,8 @@ class DeleteDevicesRestServlet(servlet.RestServlet):
|
||||
@interactive_auth_handler
|
||||
@defer.inlineCallbacks
|
||||
def on_POST(self, request):
|
||||
requester = yield self.auth.get_user_by_req(request)
|
||||
|
||||
try:
|
||||
body = servlet.parse_json_object_from_request(request)
|
||||
except errors.SynapseError as e:
|
||||
@ -78,11 +80,10 @@ class DeleteDevicesRestServlet(servlet.RestServlet):
|
||||
400, "No devices supplied", errcode=errors.Codes.MISSING_PARAM
|
||||
)
|
||||
|
||||
result, params, _ = yield self.auth_handler.check_auth([
|
||||
[constants.LoginType.PASSWORD],
|
||||
], body, self.hs.get_ip_from_request(request))
|
||||
result, params, _ = yield self.auth_handler.validate_user_via_ui_auth(
|
||||
requester, body, self.hs.get_ip_from_request(request),
|
||||
)
|
||||
|
||||
requester = yield self.auth.get_user_by_req(request)
|
||||
yield self.device_handler.delete_devices(
|
||||
requester.user.to_string(),
|
||||
body['devices'],
|
||||
@ -129,16 +130,13 @@ class DeviceRestServlet(servlet.RestServlet):
|
||||
else:
|
||||
raise
|
||||
|
||||
result, params, _ = yield self.auth_handler.check_auth([
|
||||
[constants.LoginType.PASSWORD],
|
||||
], body, self.hs.get_ip_from_request(request))
|
||||
yield self.auth_handler.validate_user_via_ui_auth(
|
||||
requester, body, self.hs.get_ip_from_request(request),
|
||||
)
|
||||
|
||||
# check that the UI auth matched the access token
|
||||
user_id = result[constants.LoginType.PASSWORD]
|
||||
if user_id != requester.user.to_string():
|
||||
raise errors.AuthError(403, "Invalid auth")
|
||||
|
||||
yield self.device_handler.delete_device(user_id, device_id)
|
||||
yield self.device_handler.delete_device(
|
||||
requester.user.to_string(), device_id,
|
||||
)
|
||||
defer.returnValue((200, {}))
|
||||
|
||||
@defer.inlineCallbacks
|
||||
|
||||
Loading…
Reference in New Issue
Block a user