From 56db0b1365965c02ff539193e26c333b7f70d101 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Mon, 18 May 2020 09:46:18 -0400 Subject: Hash passwords earlier in the registration process (#7523) --- synapse/rest/client/v2_alpha/register.py | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) (limited to 'synapse/rest/client') diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py index af08cc6cce..c26927f27b 100644 --- a/synapse/rest/client/v2_alpha/register.py +++ b/synapse/rest/client/v2_alpha/register.py @@ -426,12 +426,16 @@ class RegisterRestServlet(RestServlet): # we do basic sanity checks here because the auth layer will store these # in sessions. Pull out the username/password provided to us. if "password" in body: - if ( - not isinstance(body["password"], string_types) - or len(body["password"]) > 512 - ): + password = body.pop("password") + if not isinstance(password, string_types) or len(password) > 512: raise SynapseError(400, "Invalid password") - self.password_policy_handler.validate_password(body["password"]) + self.password_policy_handler.validate_password(password) + + # If the password is valid, hash it and store it back on the request. + # This ensures the hashed password is handled everywhere. + if "password_hash" in body: + raise SynapseError(400, "Unexpected property: password_hash") + body["password_hash"] = await self.auth_handler.hash(password) desired_username = None if "username" in body: @@ -484,7 +488,7 @@ class RegisterRestServlet(RestServlet): guest_access_token = body.get("guest_access_token", None) - if "initial_device_display_name" in body and "password" not in body: + if "initial_device_display_name" in body and "password_hash" not in body: # ignore 'initial_device_display_name' if sent without # a password to work around a client bug where it sent # the 'initial_device_display_name' param alone, wiping out @@ -546,11 +550,11 @@ class RegisterRestServlet(RestServlet): registered = False else: # NB: This may be from the auth handler and NOT from the POST - assert_params_in_dict(params, ["password"]) + assert_params_in_dict(params, ["password_hash"]) desired_username = params.get("username", None) guest_access_token = params.get("guest_access_token", None) - new_password = params.get("password", None) + new_password_hash = params.get("password_hash", None) if desired_username is not None: desired_username = desired_username.lower() @@ -583,7 +587,7 @@ class RegisterRestServlet(RestServlet): registered_user_id = await self.registration_handler.register_user( localpart=desired_username, - password=new_password, + password_hash=new_password_hash, guest_access_token=guest_access_token, threepid=threepid, address=client_addr, -- cgit 1.4.1