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Add options to disable setting profile info for prevent changes. (#7053)

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Brendan Abolivier 2020-03-10 22:23:01 +00:00 committed by GitHub
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7 changed files with 398 additions and 1 deletions
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1
changelog.d/7053.feature Normal file
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@ -0,0 +1 @@
Add options to prevent users from changing their profile or associated 3PIDs.

13
docs/sample_config.yaml
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@ -1057,6 +1057,19 @@ account_threepid_delegates:
#email: https://example.com # Delegate email sending to example.com
#msisdn: http://localhost:8090 # Delegate SMS sending to this local process
# If disabled, don't let users set their own display names/avatars
# (unless they are a server admin) other than for the very first time.
# Useful when provisioning users based on the contents of a 3rd party
# directory and to avoid ambiguities.
#
#enable_set_displayname: true
#enable_set_avatar_url: true
# If false, stop users from trying to change the 3PIDs associated with
# their accounts.
#
#enable_3pid_changes: true
# Users who register on this homeserver will automatically be joined
# to these rooms
#

17
synapse/config/registration.py
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@ -129,6 +129,10 @@ class RegistrationConfig(Config):
raise ConfigError("Invalid auto_join_rooms entry %s" % (room_alias,))
self.autocreate_auto_join_rooms = config.get("autocreate_auto_join_rooms", True)
self.enable_set_displayname = config.get("enable_set_displayname", True)
self.enable_set_avatar_url = config.get("enable_set_avatar_url", True)
self.enable_3pid_changes = config.get("enable_3pid_changes", True)
self.disable_msisdn_registration = config.get(
"disable_msisdn_registration", False
)
@ -330,6 +334,19 @@ class RegistrationConfig(Config):
#email: https://example.com # Delegate email sending to example.com
#msisdn: http://localhost:8090 # Delegate SMS sending to this local process
# If disabled, don't let users set their own display names/avatars
# (unless they are a server admin) other than for the very first time.
# Useful when provisioning users based on the contents of a 3rd party
# directory and to avoid ambiguities.
#
#enable_set_displayname: true
#enable_set_avatar_url: true
# If false, stop users from trying to change the 3PIDs associated with
# their accounts.
#
#enable_3pid_changes: true
# Users who register on this homeserver will automatically be joined
# to these rooms
#

16
synapse/handlers/profile.py
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@ -157,6 +157,15 @@ class BaseProfileHandler(BaseHandler):
if not by_admin and target_user != requester.user:
raise AuthError(400, "Cannot set another user's displayname")
if not by_admin and not self.hs.config.enable_set_displayname:
profile = yield self.store.get_profileinfo(target_user.localpart)
if profile.display_name:
raise SynapseError(
400,
"Changing display name is disabled on this server",
Codes.FORBIDDEN,
)
if len(new_displayname) > MAX_DISPLAYNAME_LEN:
raise SynapseError(
400, "Displayname is too long (max %i)" % (MAX_DISPLAYNAME_LEN,)
@ -218,6 +227,13 @@ class BaseProfileHandler(BaseHandler):
if not by_admin and target_user != requester.user:
raise AuthError(400, "Cannot set another user's avatar_url")
if not by_admin and not self.hs.config.enable_set_avatar_url:
profile = yield self.store.get_profileinfo(target_user.localpart)
if profile.avatar_url:
raise SynapseError(
400, "Changing avatar is disabled on this server", Codes.FORBIDDEN
)
if len(new_avatar_url) > MAX_AVATAR_URL_LEN:
raise SynapseError(
400, "Avatar URL is too long (max %i)" % (MAX_AVATAR_URL_LEN,)

16
synapse/rest/client/v2_alpha/account.py
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@ -599,6 +599,11 @@ class ThreepidRestServlet(RestServlet):
return 200, {"threepids": threepids}
async def on_POST(self, request):
if not self.hs.config.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)
@ -643,6 +648,11 @@ class ThreepidAddRestServlet(RestServlet):
@interactive_auth_handler
async def on_POST(self, request):
if not self.hs.config.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)
@ -738,10 +748,16 @@ class ThreepidDeleteRestServlet(RestServlet):
def __init__(self, hs):
super(ThreepidDeleteRestServlet, self).__init__()
self.hs = hs
self.auth = hs.get_auth()
self.auth_handler = hs.get_auth_handler()
async def on_POST(self, request):
if not self.hs.config.enable_3pid_changes:
raise SynapseError(
400, "3PID changes are disabled on this server", Codes.FORBIDDEN
)
body = parse_json_object_from_request(request)
assert_params_in_dict(body, ["medium", "address"])

33
tests/handlers/test_profile.py
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@ -19,7 +19,7 @@ from mock import Mock, NonCallableMock
from twisted.internet import defer
import synapse.types
from synapse.api.errors import AuthError
from synapse.api.errors import AuthError, SynapseError
from synapse.handlers.profile import MasterProfileHandler
from synapse.types import UserID
@ -70,6 +70,7 @@ class ProfileTestCase(unittest.TestCase):
yield self.store.create_profile(self.frank.localpart)
self.handler = hs.get_profile_handler()
self.hs = hs
@defer.inlineCallbacks
def test_get_my_name(self):
@ -90,6 +91,19 @@ class ProfileTestCase(unittest.TestCase):
"Frank Jr.",
)
@defer.inlineCallbacks
def test_set_my_name_if_disabled(self):
self.hs.config.enable_set_displayname = False
# Set first displayname is allowed, if displayname is null
yield self.store.set_profile_displayname(self.frank.localpart, "Frank")
d = self.handler.set_displayname(
self.frank, synapse.types.create_requester(self.frank), "Frank Jr."
)
yield self.assertFailure(d, SynapseError)
@defer.inlineCallbacks
def test_set_my_name_noauth(self):
d = self.handler.set_displayname(
@ -147,3 +161,20 @@ class ProfileTestCase(unittest.TestCase):
(yield self.store.get_profile_avatar_url(self.frank.localpart)),
"http://my.server/pic.gif",
)
@defer.inlineCallbacks
def test_set_my_avatar_if_disabled(self):
self.hs.config.enable_set_avatar_url = False
# Set first time avatar is allowed, if avatar is null
yield self.store.set_profile_avatar_url(
self.frank.localpart, "http://my.server/me.png"
)
d = self.handler.set_avatar_url(
self.frank,
synapse.types.create_requester(self.frank),
"http://my.server/pic.gif",
)
yield self.assertFailure(d, SynapseError)

303
tests/rest/client/v2_alpha/test_account.py
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@ -24,6 +24,7 @@ import pkg_resources
import synapse.rest.admin
from synapse.api.constants import LoginType, Membership
from synapse.api.errors import Codes
from synapse.rest.client.v1 import login, room
from synapse.rest.client.v2_alpha import account, register
@ -325,3 +326,305 @@ class DeactivateTestCase(unittest.HomeserverTestCase):
)
self.render(request)
self.assertEqual(request.code, 200)
class ThreepidEmailRestTestCase(unittest.HomeserverTestCase):
servlets = [
account.register_servlets,
login.register_servlets,
synapse.rest.admin.register_servlets_for_client_rest_resource,
]
def make_homeserver(self, reactor, clock):
config = self.default_config()
# Email config.
self.email_attempts = []
def sendmail(smtphost, from_addr, to_addrs, msg, **kwargs):
self.email_attempts.append(msg)
return
config["email"] = {
"enable_notifs": False,
"template_dir": os.path.abspath(
pkg_resources.resource_filename("synapse", "res/templates")
),
"smtp_host": "127.0.0.1",
"smtp_port": 20,
"require_transport_security": False,
"smtp_user": None,
"smtp_pass": None,
"notif_from": "test@example.com",
}
config["public_baseurl"] = "https://example.com"
self.hs = self.setup_test_homeserver(config=config, sendmail=sendmail)
return self.hs
def prepare(self, reactor, clock, hs):
self.store = hs.get_datastore()
self.user_id = self.register_user("kermit", "test")
self.user_id_tok = self.login("kermit", "test")
self.email = "test@example.com"
self.url_3pid = b"account/3pid"
def test_add_email(self):
"""Test add mail to profile
"""
client_secret = "foobar"
session_id = self._request_token(self.email, client_secret)
self.assertEquals(len(self.email_attempts), 1)
link = self._get_link_from_email()
self._validate_token(link)
request, channel = self.make_request(
"POST",
b"/_matrix/client/unstable/account/3pid/add",
{
"client_secret": client_secret,
"sid": session_id,
"auth": {
"type": "m.login.password",
"user": self.user_id,
"password": "test",
},
},
access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
# Get user
request, channel = self.make_request(
"GET", self.url_3pid, access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
self.assertEqual(self.email, channel.json_body["threepids"][0]["address"])
def test_add_email_if_disabled(self):
"""Test add mail to profile if disabled
"""
self.hs.config.enable_3pid_changes = False
client_secret = "foobar"
session_id = self._request_token(self.email, client_secret)
self.assertEquals(len(self.email_attempts), 1)
link = self._get_link_from_email()
self._validate_token(link)
request, channel = self.make_request(
"POST",
b"/_matrix/client/unstable/account/3pid/add",
{
"client_secret": client_secret,
"sid": session_id,
"auth": {
"type": "m.login.password",
"user": self.user_id,
"password": "test",
},
},
access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])
# Get user
request, channel = self.make_request(
"GET", self.url_3pid, access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertFalse(channel.json_body["threepids"])
def test_delete_email(self):
"""Test delete mail from profile
"""
# Add a threepid
self.get_success(
self.store.user_add_threepid(
user_id=self.user_id,
medium="email",
address=self.email,
validated_at=0,
added_at=0,
)
)
request, channel = self.make_request(
"POST",
b"account/3pid/delete",
{"medium": "email", "address": self.email},
access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
# Get user
request, channel = self.make_request(
"GET", self.url_3pid, access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertFalse(channel.json_body["threepids"])
def test_delete_email_if_disabled(self):
"""Test delete mail from profile if disabled
"""
self.hs.config.enable_3pid_changes = False
# Add a threepid
self.get_success(
self.store.user_add_threepid(
user_id=self.user_id,
medium="email",
address=self.email,
validated_at=0,
added_at=0,
)
)
request, channel = self.make_request(
"POST",
b"account/3pid/delete",
{"medium": "email", "address": self.email},
access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual(Codes.FORBIDDEN, channel.json_body["errcode"])
# Get user
request, channel = self.make_request(
"GET", self.url_3pid, access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual("email", channel.json_body["threepids"][0]["medium"])
self.assertEqual(self.email, channel.json_body["threepids"][0]["address"])
def test_cant_add_email_without_clicking_link(self):
"""Test that we do actually need to click the link in the email
"""
client_secret = "foobar"
session_id = self._request_token(self.email, client_secret)
self.assertEquals(len(self.email_attempts), 1)
# Attempt to add email without clicking the link
request, channel = self.make_request(
"POST",
b"/_matrix/client/unstable/account/3pid/add",
{
"client_secret": client_secret,
"sid": session_id,
"auth": {
"type": "m.login.password",
"user": self.user_id,
"password": "test",
},
},
access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual(Codes.THREEPID_AUTH_FAILED, channel.json_body["errcode"])
# Get user
request, channel = self.make_request(
"GET", self.url_3pid, access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertFalse(channel.json_body["threepids"])
def test_no_valid_token(self):
"""Test that we do actually need to request a token and can't just
make a session up.
"""
client_secret = "foobar"
session_id = "weasle"
# Attempt to add email without even requesting an email
request, channel = self.make_request(
"POST",
b"/_matrix/client/unstable/account/3pid/add",
{
"client_secret": client_secret,
"sid": session_id,
"auth": {
"type": "m.login.password",
"user": self.user_id,
"password": "test",
},
},
access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
self.assertEqual(Codes.THREEPID_AUTH_FAILED, channel.json_body["errcode"])
# Get user
request, channel = self.make_request(
"GET", self.url_3pid, access_token=self.user_id_tok,
)
self.render(request)
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
self.assertFalse(channel.json_body["threepids"])
def _request_token(self, email, client_secret):
request, channel = self.make_request(
"POST",
b"account/3pid/email/requestToken",
{"client_secret": client_secret, "email": email, "send_attempt": 1},
)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
return channel.json_body["sid"]
def _validate_token(self, link):
# Remove the host
path = link.replace("https://example.com", "")
request, channel = self.make_request("GET", path, shorthand=False)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
def _get_link_from_email(self):
assert self.email_attempts, "No emails have been sent"
raw_msg = self.email_attempts[-1].decode("UTF-8")
mail = Parser().parsestr(raw_msg)
text = None
for part in mail.walk():
if part.get_content_type() == "text/plain":
text = part.get_payload(decode=True).decode("UTF-8")
break
if not text:
self.fail("Could not find text portion of email to parse")
match = re.search(r"https://example.com\S+", text)
assert match, "Could not find link in email"
return match.group(0)