1 files changed, 10 insertions, 0 deletions
diff --git a/synapse/config/key.py b/synapse/config/key.py
index 4b8fc063d0..d1382ad9ac 100644
--- a/synapse/config/key.py
+++ b/synapse/config/key.py
@@ -59,14 +59,20 @@ class KeyConfig(Config):
self.expire_access_token = config.get("expire_access_token", False)
+ # a secret which is used to calculate HMACs for form values, to stop
+ # falsification of values
+ self.form_secret = config.get("form_secret", None)
+
def default_config(self, config_dir_path, server_name, is_generating_file=False,
**kwargs):
base_key_name = os.path.join(config_dir_path, server_name)
if is_generating_file:
macaroon_secret_key = random_string_with_symbols(50)
+ form_secret = '"%s"' % random_string_with_symbols(50)
else:
macaroon_secret_key = None
+ form_secret = 'null'
return """\
macaroon_secret_key: "%(macaroon_secret_key)s"
@@ -74,6 +80,10 @@ class KeyConfig(Config):
# Used to enable access token expiration.
expire_access_token: False
+ # a secret which is used to calculate HMACs for form values, to stop
+ # falsification of values
+ form_secret: %(form_secret)s
+
## Signing Keys ##
# Path to the signing key to sign messages with
|
