diff options
| -rw-r--r-- | docs/sample_config.yaml | 8 | ||||
| -rw-r--r-- | synapse/config/key.py | 35 | ||||
| -rw-r--r-- | synapse/crypto/keyring.py | 12 |
3 files changed, 46 insertions, 9 deletions
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 0c6be30e51..c96eb0cf2d 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -1027,6 +1027,14 @@ signing_key_path: "CONFDIR/SERVERNAME.signing.key" # #trusted_key_servers: # - server_name: "matrix.org" +# + +# The additional signing keys to use when acting as a trusted key server, on +# top of the normal signing keys. +# +# Can contain multiple keys, one per line. +# +#key_server_signing_keys_path: "key_server_signing_keys.key" # Enable SAML2 for registration and login. Uses pysaml2. diff --git a/synapse/config/key.py b/synapse/config/key.py index fe8386985c..f1a1efcb7f 100644 --- a/synapse/config/key.py +++ b/synapse/config/key.py @@ -76,7 +76,7 @@ class KeyConfig(Config): config_dir_path, config["server_name"] + ".signing.key" ) - self.signing_key = self.read_signing_key(signing_key_path) + self.signing_key = self.read_signing_keys(signing_key_path, "signing_key") self.old_signing_keys = self.read_old_signing_keys( config.get("old_signing_keys", {}) @@ -85,6 +85,15 @@ class KeyConfig(Config): config.get("key_refresh_interval", "1d") ) + self.key_server_signing_keys = list(self.signing_key) + key_server_signing_keys_path = config.get("key_server_signing_keys_path") + if key_server_signing_keys_path: + self.key_server_signing_keys.extend( + self.read_signing_keys( + key_server_signing_keys_path, "key_server_signing_keys_path" + ) + ) + # if neither trusted_key_servers nor perspectives are given, use the default. if "perspectives" not in config and "trusted_key_servers" not in config: key_servers = [{"server_name": "matrix.org"}] @@ -210,16 +219,34 @@ class KeyConfig(Config): # #trusted_key_servers: # - server_name: "matrix.org" + # + + # The additional signing keys to use when acting as a trusted key server, on + # top of the normal signing keys. + # + # Can contain multiple keys, one per line. + # + #key_server_signing_keys_path: "key_server_signing_keys.key" """ % locals() ) - def read_signing_key(self, signing_key_path): - signing_keys = self.read_file(signing_key_path, "signing_key") + def read_signing_keys(self, signing_key_path, name): + """Read the signing keys in the given path. + + Args: + signing_key_path (str) + name (str): Associated config key name + + Returns: + list[SigningKey] + """ + + signing_keys = self.read_file(signing_key_path, name) try: return read_signing_keys(signing_keys.splitlines(True)) except Exception as e: - raise ConfigError("Error reading signing_key: %s" % (str(e))) + raise ConfigError("Error reading %s: %s" % (name, str(e))) def read_old_signing_keys(self, old_signing_keys): keys = {} diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index 6c3e885e72..a3b55e349e 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -540,11 +540,13 @@ class BaseV2KeyFetcher(object): verify_key=verify_key, valid_until_ts=key_data["expired_ts"] ) - # re-sign the json with our own key, so that it is ready if we are asked to - # give it out as a notary server - signed_key_json = sign_json( - response_json, self.config.server_name, self.config.signing_key[0] - ) + # re-sign the json with our own keys, so that it is ready if we are + # asked to give it out as a notary server + signed_key_json = response_json + for signing_key in self.config.key_server_signing_keys: + signed_key_json = sign_json( + signed_key_json, self.config.server_name, signing_key + ) signed_key_json_bytes = encode_canonical_json(signed_key_json) |