1 files changed, 29 insertions, 3 deletions
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 7525765fee..c6d58effd4 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -507,6 +507,17 @@ class ServerConfig(Config):
self.enable_ephemeral_messages = config.get("enable_ephemeral_messages", False)
+ # Inhibits the /requestToken endpoints from returning an error that might leak
+ # information about whether an e-mail address is in use or not on this
+ # homeserver, and instead return a 200 with a fake sid if this kind of error is
+ # met, without sending anything.
+ # This is a compromise between sending an email, which could be a spam vector,
+ # and letting the client know which email address is bound to an account and
+ # which one isn't.
+ self.request_token_inhibit_3pid_errors = config.get(
+ "request_token_inhibit_3pid_errors", False,
+ )
+
def has_tls_listener(self) -> bool:
return any(l["tls"] for l in self.listeners)
@@ -604,10 +615,15 @@ class ServerConfig(Config):
#
pid_file: %(pid_file)s
- # The path to the web client which will be served at /_matrix/client/
- # if 'webclient' is configured under the 'listeners' configuration.
+ # The absolute URL to the web client which /_matrix/client will redirect
+ # to if 'webclient' is configured under the 'listeners' configuration.
+ #
+ # This option can be also set to the filesystem path to the web client
+ # which will be served at /_matrix/client/ if 'webclient' is configured
+ # under the 'listeners' configuration, however this is a security risk:
+ # https://github.com/matrix-org/synapse#security-note
#
- #web_client_location: "/path/to/web/root"
+ #web_client_location: https://riot.example.com/
# The public-facing base URL that clients use to access this HS
# (not including _matrix/...). This is the same URL a user would
@@ -967,6 +983,16 @@ class ServerConfig(Config):
# - shortest_max_lifetime: 3d
# longest_max_lifetime: 1y
# interval: 1d
+
+ # Inhibits the /requestToken endpoints from returning an error that might leak
+ # information about whether an e-mail address is in use or not on this
+ # homeserver.
+ # Note that for some endpoints the error situation is the e-mail already being
+ # used, and for others the error is entering the e-mail being unused.
+ # If this option is enabled, instead of returning an error, these endpoints will
+ # act as if no error happened and return a fake session ID ('sid') to clients.
+ #
+ #request_token_inhibit_3pid_errors: true
"""
% locals()
)
|