diff options
| -rw-r--r-- | changelog.d/7585.bugfix | 1 | ||||
| -rw-r--r-- | synapse/rest/client/v1/login.py | 15 | ||||
| -rw-r--r-- | tests/rest/client/v1/test_login.py | 153 |
3 files changed, 162 insertions, 7 deletions
diff --git a/changelog.d/7585.bugfix b/changelog.d/7585.bugfix new file mode 100644 index 0000000000..263295599d --- /dev/null +++ b/changelog.d/7585.bugfix @@ -0,0 +1 @@ +Fix a bug in automatic user creation during first time login with `m.login.jwt`. Regression in v1.6.0. Contributed by @olof. diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py index d89b2e5532..36aca82346 100644 --- a/synapse/rest/client/v1/login.py +++ b/synapse/rest/client/v1/login.py @@ -299,7 +299,7 @@ class LoginRestServlet(RestServlet): return result async def _complete_login( - self, user_id, login_submission, callback=None, create_non_existant_users=False + self, user_id, login_submission, callback=None, create_non_existent_users=False ): """Called when we've successfully authed the user and now need to actually login them in (e.g. create devices). This gets called on @@ -312,7 +312,7 @@ class LoginRestServlet(RestServlet): user_id (str): ID of the user to register. login_submission (dict): Dictionary of login information. callback (func|None): Callback function to run after registration. - create_non_existant_users (bool): Whether to create the user if + create_non_existent_users (bool): Whether to create the user if they don't exist. Defaults to False. Returns: @@ -331,12 +331,13 @@ class LoginRestServlet(RestServlet): update=True, ) - if create_non_existant_users: - user_id = await self.auth_handler.check_user_exists(user_id) - if not user_id: - user_id = await self.registration_handler.register_user( + if create_non_existent_users: + canonical_uid = await self.auth_handler.check_user_exists(user_id) + if not canonical_uid: + canonical_uid = await self.registration_handler.register_user( localpart=UserID.from_string(user_id).localpart ) + user_id = canonical_uid device_id = login_submission.get("device_id") initial_display_name = login_submission.get("initial_device_display_name") @@ -391,7 +392,7 @@ class LoginRestServlet(RestServlet): user_id = UserID(user, self.hs.hostname).to_string() result = await self._complete_login( - user_id, login_submission, create_non_existant_users=True + user_id, login_submission, create_non_existent_users=True ) return result diff --git a/tests/rest/client/v1/test_login.py b/tests/rest/client/v1/test_login.py index eb8f6264fd..0f0f7ca72d 100644 --- a/tests/rest/client/v1/test_login.py +++ b/tests/rest/client/v1/test_login.py @@ -1,8 +1,11 @@ import json +import time import urllib.parse from mock import Mock +import jwt + import synapse.rest.admin from synapse.rest.client.v1 import login, logout from synapse.rest.client.v2_alpha import devices @@ -473,3 +476,153 @@ class CASTestCase(unittest.HomeserverTestCase): # Because the user is deactivated they are served an error template. self.assertEqual(channel.code, 403) self.assertIn(b"SSO account deactivated", channel.result["body"]) + + +class JWTTestCase(unittest.HomeserverTestCase): + servlets = [ + synapse.rest.admin.register_servlets_for_client_rest_resource, + login.register_servlets, + ] + + jwt_secret = "secret" + + def make_homeserver(self, reactor, clock): + self.hs = self.setup_test_homeserver() + self.hs.config.jwt_enabled = True + self.hs.config.jwt_secret = self.jwt_secret + self.hs.config.jwt_algorithm = "HS256" + return self.hs + + def jwt_encode(self, token, secret=jwt_secret): + return jwt.encode(token, secret, "HS256").decode("ascii") + + def jwt_login(self, *args): + params = json.dumps({"type": "m.login.jwt", "token": self.jwt_encode(*args)}) + request, channel = self.make_request(b"POST", LOGIN_URL, params) + self.render(request) + return channel + + def test_login_jwt_valid_registered(self): + self.register_user("kermit", "monkey") + channel = self.jwt_login({"sub": "kermit"}) + self.assertEqual(channel.result["code"], b"200", channel.result) + self.assertEqual(channel.json_body["user_id"], "@kermit:test") + + def test_login_jwt_valid_unregistered(self): + channel = self.jwt_login({"sub": "frog"}) + self.assertEqual(channel.result["code"], b"200", channel.result) + self.assertEqual(channel.json_body["user_id"], "@frog:test") + + def test_login_jwt_invalid_signature(self): + channel = self.jwt_login({"sub": "frog"}, "notsecret") + self.assertEqual(channel.result["code"], b"401", channel.result) + self.assertEqual(channel.json_body["errcode"], "M_UNAUTHORIZED") + self.assertEqual(channel.json_body["error"], "Invalid JWT") + + def test_login_jwt_expired(self): + channel = self.jwt_login({"sub": "frog", "exp": 864000}) + self.assertEqual(channel.result["code"], b"401", channel.result) + self.assertEqual(channel.json_body["errcode"], "M_UNAUTHORIZED") + self.assertEqual(channel.json_body["error"], "JWT expired") + + def test_login_jwt_not_before(self): + now = int(time.time()) + channel = self.jwt_login({"sub": "frog", "nbf": now + 3600}) + self.assertEqual(channel.result["code"], b"401", channel.result) + self.assertEqual(channel.json_body["errcode"], "M_UNAUTHORIZED") + self.assertEqual(channel.json_body["error"], "Invalid JWT") + + def test_login_no_sub(self): + channel = self.jwt_login({"username": "root"}) + self.assertEqual(channel.result["code"], b"401", channel.result) + self.assertEqual(channel.json_body["errcode"], "M_UNAUTHORIZED") + self.assertEqual(channel.json_body["error"], "Invalid JWT") + + def test_login_no_token(self): + params = json.dumps({"type": "m.login.jwt"}) + request, channel = self.make_request(b"POST", LOGIN_URL, params) + self.render(request) + self.assertEqual(channel.result["code"], b"401", channel.result) + self.assertEqual(channel.json_body["errcode"], "M_UNAUTHORIZED") + self.assertEqual(channel.json_body["error"], "Token field for JWT is missing") + + +# The JWTPubKeyTestCase is a complement to JWTTestCase where we instead use +# RSS256, with a public key configured in synapse as "jwt_secret", and tokens +# signed by the private key. +class JWTPubKeyTestCase(unittest.HomeserverTestCase): + servlets = [ + login.register_servlets, + ] + + # This key's pubkey is used as the jwt_secret setting of synapse. Valid + # tokens are signed by this and validated using the pubkey. It is generated + # with `openssl genrsa 512` (not a secure way to generate real keys, but + # good enough for tests!) + jwt_privatekey = "\n".join( + [ + "-----BEGIN RSA PRIVATE KEY-----", + "MIIBPAIBAAJBAM50f1Q5gsdmzifLstzLHb5NhfajiOt7TKO1vSEWdq7u9x8SMFiB", + "492RM9W/XFoh8WUfL9uL6Now6tPRDsWv3xsCAwEAAQJAUv7OOSOtiU+wzJq82rnk", + "yR4NHqt7XX8BvkZPM7/+EjBRanmZNSp5kYZzKVaZ/gTOM9+9MwlmhidrUOweKfB/", + "kQIhAPZwHazbjo7dYlJs7wPQz1vd+aHSEH+3uQKIysebkmm3AiEA1nc6mDdmgiUq", + "TpIN8A4MBKmfZMWTLq6z05y/qjKyxb0CIQDYJxCwTEenIaEa4PdoJl+qmXFasVDN", + "ZU0+XtNV7yul0wIhAMI9IhiStIjS2EppBa6RSlk+t1oxh2gUWlIh+YVQfZGRAiEA", + "tqBR7qLZGJ5CVKxWmNhJZGt1QHoUtOch8t9C4IdOZ2g=", + "-----END RSA PRIVATE KEY-----", + ] + ) + + # Generated with `openssl rsa -in foo.key -pubout`, with the the above + # private key placed in foo.key (jwt_privatekey). + jwt_pubkey = "\n".join( + [ + "-----BEGIN PUBLIC KEY-----", + "MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAM50f1Q5gsdmzifLstzLHb5NhfajiOt7", + "TKO1vSEWdq7u9x8SMFiB492RM9W/XFoh8WUfL9uL6Now6tPRDsWv3xsCAwEAAQ==", + "-----END PUBLIC KEY-----", + ] + ) + + # This key is used to sign tokens that shouldn't be accepted by synapse. + # Generated just like jwt_privatekey. + bad_privatekey = "\n".join( + [ + "-----BEGIN RSA PRIVATE KEY-----", + "MIIBOgIBAAJBAL//SQrKpKbjCCnv/FlasJCv+t3k/MPsZfniJe4DVFhsktF2lwQv", + "gLjmQD3jBUTz+/FndLSBvr3F4OHtGL9O/osCAwEAAQJAJqH0jZJW7Smzo9ShP02L", + "R6HRZcLExZuUrWI+5ZSP7TaZ1uwJzGFspDrunqaVoPobndw/8VsP8HFyKtceC7vY", + "uQIhAPdYInDDSJ8rFKGiy3Ajv5KWISBicjevWHF9dbotmNO9AiEAxrdRJVU+EI9I", + "eB4qRZpY6n4pnwyP0p8f/A3NBaQPG+cCIFlj08aW/PbxNdqYoBdeBA0xDrXKfmbb", + "iwYxBkwL0JCtAiBYmsi94sJn09u2Y4zpuCbJeDPKzWkbuwQh+W1fhIWQJQIhAKR0", + "KydN6cRLvphNQ9c/vBTdlzWxzcSxREpguC7F1J1m", + "-----END RSA PRIVATE KEY-----", + ] + ) + + def make_homeserver(self, reactor, clock): + self.hs = self.setup_test_homeserver() + self.hs.config.jwt_enabled = True + self.hs.config.jwt_secret = self.jwt_pubkey + self.hs.config.jwt_algorithm = "RS256" + return self.hs + + def jwt_encode(self, token, secret=jwt_privatekey): + return jwt.encode(token, secret, "RS256").decode("ascii") + + def jwt_login(self, *args): + params = json.dumps({"type": "m.login.jwt", "token": self.jwt_encode(*args)}) + request, channel = self.make_request(b"POST", LOGIN_URL, params) + self.render(request) + return channel + + def test_login_jwt_valid(self): + channel = self.jwt_login({"sub": "kermit"}) + self.assertEqual(channel.result["code"], b"200", channel.result) + self.assertEqual(channel.json_body["user_id"], "@kermit:test") + + def test_login_jwt_invalid_signature(self): + channel = self.jwt_login({"sub": "frog"}, self.bad_privatekey) + self.assertEqual(channel.result["code"], b"401", channel.result) + self.assertEqual(channel.json_body["errcode"], "M_UNAUTHORIZED") + self.assertEqual(channel.json_body["error"], "Invalid JWT") |