diff options
| -rw-r--r-- | changelog.d/17145.bugfix | 1 | ||||
| -rw-r--r-- | synapse/federation/transport/server/_base.py | 6 | ||||
| -rw-r--r-- | tests/federation/transport/server/test__base.py | 7 |
3 files changed, 13 insertions, 1 deletions
diff --git a/changelog.d/17145.bugfix b/changelog.d/17145.bugfix new file mode 100644 index 0000000000..5c1e600f4e --- /dev/null +++ b/changelog.d/17145.bugfix @@ -0,0 +1 @@ +Add support for optional whitespace around the Federation API's `Authorization` header's parameter commas. diff --git a/synapse/federation/transport/server/_base.py b/synapse/federation/transport/server/_base.py index 23d1254127..db0f5076a9 100644 --- a/synapse/federation/transport/server/_base.py +++ b/synapse/federation/transport/server/_base.py @@ -180,7 +180,11 @@ def _parse_auth_header(header_bytes: bytes) -> Tuple[str, str, str, Optional[str """ try: header_str = header_bytes.decode("utf-8") - params = re.split(" +", header_str)[1].split(",") + space_or_tab = "[ \t]" + params = re.split( + rf"{space_or_tab}*,{space_or_tab}*", + re.split(r"^X-Matrix +", header_str, maxsplit=1)[1], + ) param_dict: Dict[str, str] = { k.lower(): v for k, v in [param.split("=", maxsplit=1) for param in params] } diff --git a/tests/federation/transport/server/test__base.py b/tests/federation/transport/server/test__base.py index 065e85957e..0e3b41ec4d 100644 --- a/tests/federation/transport/server/test__base.py +++ b/tests/federation/transport/server/test__base.py @@ -147,3 +147,10 @@ class BaseFederationAuthorizationTests(unittest.TestCase): ), ("foo", "ed25519:1", "sig", "bar"), ) + # test that "optional whitespace(s)" (space and tabulation) are allowed between comma-separated auth-param components + self.assertEqual( + _parse_auth_header( + b'X-Matrix origin=foo , key="ed25519:1", sig="sig", destination="bar", extra_field=ignored' + ), + ("foo", "ed25519:1", "sig", "bar"), + ) |