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-rw-r--r--changelog.d/14621.bugfix1
-rw-r--r--synapse/api/errors.py6
-rw-r--r--synapse/http/server.py19
-rw-r--r--synapse/rest/media/v1/media_repository.py4
-rw-r--r--synapse/util/httpresourcetree.py6
-rw-r--r--tests/rest/admin/test_user.py2
-rw-r--r--tests/rest/client/test_login_token_request.py4
-rw-r--r--tests/rest/client/test_rendezvous.py2
-rw-r--r--tests/test_server.py2
9 files changed, 32 insertions, 14 deletions
diff --git a/changelog.d/14621.bugfix b/changelog.d/14621.bugfix
new file mode 100644
index 0000000000..cb95a87d92
--- /dev/null
+++ b/changelog.d/14621.bugfix
@@ -0,0 +1 @@
+Return spec-compliant JSON errors when unknown endpoints are requested.
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index e2cfcea0f2..76ef12ed3a 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -300,10 +300,8 @@ class InteractiveAuthIncompleteError(Exception):
 class UnrecognizedRequestError(SynapseError):
     """An error indicating we don't understand the request you're trying to make"""
 
-    def __init__(
-        self, msg: str = "Unrecognized request", errcode: str = Codes.UNRECOGNIZED
-    ):
-        super().__init__(400, msg, errcode)
+    def __init__(self, msg: str = "Unrecognized request", code: int = 400):
+        super().__init__(code, msg, Codes.UNRECOGNIZED)
 
 
 class NotFoundError(SynapseError):
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 051a1899a0..2563858f3c 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -577,7 +577,24 @@ def _unrecognised_request_handler(request: Request) -> NoReturn:
     Args:
         request: Unused, but passed in to match the signature of ServletCallback.
     """
-    raise UnrecognizedRequestError()
+    raise UnrecognizedRequestError(code=404)
+
+
+class UnrecognizedRequestResource(resource.Resource):
+    """
+    Similar to twisted.web.resource.NoResource, but returns a JSON 404 with an
+    errcode of M_UNRECOGNIZED.
+    """
+
+    def render(self, request: SynapseRequest) -> int:
+        f = failure.Failure(UnrecognizedRequestError(code=404))
+        return_json_error(f, request, None)
+        # A response has already been sent but Twisted requires either NOT_DONE_YET
+        # or the response bytes as a return value.
+        return NOT_DONE_YET
+
+    def getChild(self, name: str, request: Request) -> resource.Resource:
+        return self
 
 
 class RootRedirect(resource.Resource):
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index 40b0d39eb2..c70e1837af 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -24,7 +24,6 @@ from matrix_common.types.mxc_uri import MXCUri
 import twisted.internet.error
 import twisted.web.http
 from twisted.internet.defer import Deferred
-from twisted.web.resource import Resource
 
 from synapse.api.errors import (
     FederationDeniedError,
@@ -35,6 +34,7 @@ from synapse.api.errors import (
 )
 from synapse.config._base import ConfigError
 from synapse.config.repository import ThumbnailRequirement
+from synapse.http.server import UnrecognizedRequestResource
 from synapse.http.site import SynapseRequest
 from synapse.logging.context import defer_to_thread
 from synapse.metrics.background_process_metrics import run_as_background_process
@@ -1046,7 +1046,7 @@ class MediaRepository:
         return removed_media, len(removed_media)
 
 
-class MediaRepositoryResource(Resource):
+class MediaRepositoryResource(UnrecognizedRequestResource):
     """File uploading and downloading.
 
     Uploads are POSTed to a resource which returns a token which is used to GET
diff --git a/synapse/util/httpresourcetree.py b/synapse/util/httpresourcetree.py
index a0606851f7..39fab4fe06 100644
--- a/synapse/util/httpresourcetree.py
+++ b/synapse/util/httpresourcetree.py
@@ -15,7 +15,9 @@
 import logging
 from typing import Dict
 
-from twisted.web.resource import NoResource, Resource
+from twisted.web.resource import Resource
+
+from synapse.http.server import UnrecognizedRequestResource
 
 logger = logging.getLogger(__name__)
 
@@ -49,7 +51,7 @@ def create_resource_tree(
         for path_seg in full_path.split(b"/")[1:-1]:
             if path_seg not in last_resource.listNames():
                 # resource doesn't exist, so make a "dummy resource"
-                child_resource: Resource = NoResource()
+                child_resource: Resource = UnrecognizedRequestResource()
                 last_resource.putChild(path_seg, child_resource)
                 res_id = _resource_id(last_resource, path_seg)
                 resource_mappings[res_id] = child_resource
diff --git a/tests/rest/admin/test_user.py b/tests/rest/admin/test_user.py
index e8c9457794..5c1ced355f 100644
--- a/tests/rest/admin/test_user.py
+++ b/tests/rest/admin/test_user.py
@@ -3994,7 +3994,7 @@ class ShadowBanRestTestCase(unittest.HomeserverTestCase):
         """
         Tests that shadow-banning for a user that is not a local returns a 400
         """
-        url = "/_synapse/admin/v1/whois/@unknown_person:unknown_domain"
+        url = "/_synapse/admin/v1/users/@unknown_person:unknown_domain/shadow_ban"
 
         channel = self.make_request(method, url, access_token=self.admin_user_tok)
         self.assertEqual(400, channel.code, msg=channel.json_body)
diff --git a/tests/rest/client/test_login_token_request.py b/tests/rest/client/test_login_token_request.py
index c2e1e08811..6aedc1a11c 100644
--- a/tests/rest/client/test_login_token_request.py
+++ b/tests/rest/client/test_login_token_request.py
@@ -48,13 +48,13 @@ class LoginTokenRequestServletTestCase(unittest.HomeserverTestCase):
 
     def test_disabled(self) -> None:
         channel = self.make_request("POST", endpoint, {}, access_token=None)
-        self.assertEqual(channel.code, 400)
+        self.assertEqual(channel.code, 404)
 
         self.register_user(self.user, self.password)
         token = self.login(self.user, self.password)
 
         channel = self.make_request("POST", endpoint, {}, access_token=token)
-        self.assertEqual(channel.code, 400)
+        self.assertEqual(channel.code, 404)
 
     @override_config({"experimental_features": {"msc3882_enabled": True}})
     def test_require_auth(self) -> None:
diff --git a/tests/rest/client/test_rendezvous.py b/tests/rest/client/test_rendezvous.py
index ad00a476e1..c0eb5d01a6 100644
--- a/tests/rest/client/test_rendezvous.py
+++ b/tests/rest/client/test_rendezvous.py
@@ -36,7 +36,7 @@ class RendezvousServletTestCase(unittest.HomeserverTestCase):
 
     def test_disabled(self) -> None:
         channel = self.make_request("POST", endpoint, {}, access_token=None)
-        self.assertEqual(channel.code, 400)
+        self.assertEqual(channel.code, 404)
 
     @override_config({"experimental_features": {"msc3886_endpoint": "/asd"}})
     def test_redirect(self) -> None:
diff --git a/tests/test_server.py b/tests/test_server.py
index 2d9a0257d4..d67d7722a4 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -174,7 +174,7 @@ class JsonResourceTests(unittest.TestCase):
             self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foobar"
         )
 
-        self.assertEqual(channel.code, 400)
+        self.assertEqual(channel.code, 404)
         self.assertEqual(channel.json_body["error"], "Unrecognized request")
         self.assertEqual(channel.json_body["errcode"], "M_UNRECOGNIZED")
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-10 05:14:42 +0000