mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2025-06-25 12:50:27 -04:00
Allow admin users to create or modify users without a shared secret (#6495)
Signed-off-by: Manuel Stahl <manuel.stahl@awesome-technologies.de>
This commit is contained in:
Manuel Stahl
Richard van der Hoff
parent
d773290cb1
commit
d2906fe666
9 changed files with 655 additions and 339 deletions
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@ -13,14 +13,11 @@
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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 hashlib
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import hmac
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import json
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from mock import Mock
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import synapse.rest.admin
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from synapse.api.constants import UserTypes
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from synapse.http.server import JsonResource
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from synapse.rest.admin import VersionServlet
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from synapse.rest.client.v1 import events, login, room
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@ -47,341 +44,6 @@ class VersionTestCase(unittest.HomeserverTestCase):
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)
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class UserRegisterTestCase(unittest.HomeserverTestCase):
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servlets = [synapse.rest.admin.register_servlets_for_client_rest_resource]
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def make_homeserver(self, reactor, clock):
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self.url = "/_matrix/client/r0/admin/register"
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self.registration_handler = Mock()
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self.identity_handler = Mock()
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self.login_handler = Mock()
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self.device_handler = Mock()
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self.device_handler.check_device_registered = Mock(return_value="FAKE")
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self.datastore = Mock(return_value=Mock())
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self.datastore.get_current_state_deltas = Mock(return_value=(0, []))
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self.secrets = Mock()
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self.hs = self.setup_test_homeserver()
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self.hs.config.registration_shared_secret = "shared"
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self.hs.get_media_repository = Mock()
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self.hs.get_deactivate_account_handler = Mock()
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return self.hs
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def test_disabled(self):
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"""
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If there is no shared secret, registration through this method will be
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prevented.
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"""
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self.hs.config.registration_shared_secret = None
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request, channel = self.make_request("POST", self.url, b"{}")
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual(
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"Shared secret registration is not enabled", channel.json_body["error"]
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)
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def test_get_nonce(self):
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"""
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Calling GET on the endpoint will return a randomised nonce, using the
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homeserver's secrets provider.
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"""
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secrets = Mock()
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secrets.token_hex = Mock(return_value="abcd")
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self.hs.get_secrets = Mock(return_value=secrets)
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request, channel = self.make_request("GET", self.url)
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self.render(request)
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self.assertEqual(channel.json_body, {"nonce": "abcd"})
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def test_expired_nonce(self):
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"""
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Calling GET on the endpoint will return a randomised nonce, which will
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only last for SALT_TIMEOUT (60s).
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"""
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request, channel = self.make_request("GET", self.url)
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self.render(request)
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nonce = channel.json_body["nonce"]
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# 59 seconds
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self.reactor.advance(59)
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body = json.dumps({"nonce": nonce})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("username must be specified", channel.json_body["error"])
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# 61 seconds
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self.reactor.advance(2)
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("unrecognised nonce", channel.json_body["error"])
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def test_register_incorrect_nonce(self):
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"""
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Only the provided nonce can be used, as it's checked in the MAC.
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"""
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request, channel = self.make_request("GET", self.url)
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self.render(request)
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nonce = channel.json_body["nonce"]
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want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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want_mac.update(b"notthenonce\x00bob\x00abc123\x00admin")
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want_mac = want_mac.hexdigest()
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body = json.dumps(
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{
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"nonce": nonce,
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"username": "bob",
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"password": "abc123",
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"admin": True,
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"mac": want_mac,
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}
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)
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(403, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("HMAC incorrect", channel.json_body["error"])
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def test_register_correct_nonce(self):
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"""
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When the correct nonce is provided, and the right key is provided, the
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user is registered.
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"""
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request, channel = self.make_request("GET", self.url)
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self.render(request)
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nonce = channel.json_body["nonce"]
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want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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want_mac.update(
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nonce.encode("ascii") + b"\x00bob\x00abc123\x00admin\x00support"
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)
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want_mac = want_mac.hexdigest()
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body = json.dumps(
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{
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"nonce": nonce,
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"username": "bob",
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"password": "abc123",
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"admin": True,
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"user_type": UserTypes.SUPPORT,
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"mac": want_mac,
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}
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)
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("@bob:test", channel.json_body["user_id"])
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def test_nonce_reuse(self):
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"""
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A valid unrecognised nonce.
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"""
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request, channel = self.make_request("GET", self.url)
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self.render(request)
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nonce = channel.json_body["nonce"]
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want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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want_mac.update(nonce.encode("ascii") + b"\x00bob\x00abc123\x00admin")
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want_mac = want_mac.hexdigest()
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body = json.dumps(
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{
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"nonce": nonce,
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"username": "bob",
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"password": "abc123",
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"admin": True,
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"mac": want_mac,
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}
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)
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("@bob:test", channel.json_body["user_id"])
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# Now, try and reuse it
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("unrecognised nonce", channel.json_body["error"])
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def test_missing_parts(self):
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"""
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Synapse will complain if you don't give nonce, username, password, and
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mac. Admin and user_types are optional. Additional checks are done for length
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and type.
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"""
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def nonce():
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request, channel = self.make_request("GET", self.url)
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self.render(request)
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return channel.json_body["nonce"]
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#
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# Nonce check
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#
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# Must be present
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body = json.dumps({})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("nonce must be specified", channel.json_body["error"])
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#
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# Username checks
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#
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# Must be present
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body = json.dumps({"nonce": nonce()})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("username must be specified", channel.json_body["error"])
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# Must be a string
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body = json.dumps({"nonce": nonce(), "username": 1234})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid username", channel.json_body["error"])
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# Must not have null bytes
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body = json.dumps({"nonce": nonce(), "username": "abcd\u0000"})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid username", channel.json_body["error"])
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# Must not have null bytes
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body = json.dumps({"nonce": nonce(), "username": "a" * 1000})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid username", channel.json_body["error"])
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#
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# Password checks
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#
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# Must be present
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body = json.dumps({"nonce": nonce(), "username": "a"})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("password must be specified", channel.json_body["error"])
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# Must be a string
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body = json.dumps({"nonce": nonce(), "username": "a", "password": 1234})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid password", channel.json_body["error"])
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# Must not have null bytes
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body = json.dumps({"nonce": nonce(), "username": "a", "password": "abcd\u0000"})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid password", channel.json_body["error"])
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# Super long
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body = json.dumps({"nonce": nonce(), "username": "a", "password": "A" * 1000})
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid password", channel.json_body["error"])
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#
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# user_type check
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#
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# Invalid user_type
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body = json.dumps(
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{
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"nonce": nonce(),
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"username": "a",
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"password": "1234",
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"user_type": "invalid",
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}
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)
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request, channel = self.make_request("POST", self.url, body.encode("utf8"))
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self.render(request)
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self.assertEqual(400, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("Invalid user type", channel.json_body["error"])
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class UsersListTestCase(unittest.HomeserverTestCase):
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servlets = [
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synapse.rest.admin.register_servlets,
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login.register_servlets,
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]
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url = "/_synapse/admin/v2/users"
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def prepare(self, reactor, clock, hs):
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self.admin_user = self.register_user("admin", "pass", admin=True)
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self.admin_user_tok = self.login("admin", "pass")
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self.register_user("user1", "pass1", admin=False)
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self.register_user("user2", "pass2", admin=False)
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def test_no_auth(self):
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"""
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Try to list users without authentication.
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"""
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request, channel = self.make_request("GET", self.url, b"{}")
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self.render(request)
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self.assertEqual(401, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual("M_MISSING_TOKEN", channel.json_body["errcode"])
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def test_all_users(self):
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"""
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List all users, including deactivated users.
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"""
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request, channel = self.make_request(
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"GET",
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self.url + "?deactivated=true",
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b"{}",
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access_token=self.admin_user_tok,
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)
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self.render(request)
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self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
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self.assertEqual(3, len(channel.json_body["users"]))
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class ShutdownRoomTestCase(unittest.HomeserverTestCase):
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servlets = [
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synapse.rest.admin.register_servlets_for_client_rest_resource,
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