MSC2918 Refresh tokens implementation (#9450)

This implements refresh tokens, as defined by MSC2918

This MSC has been implemented client side in Hydrogen Web: vector-im/hydrogen-web#235

The basics of the MSC works: requesting refresh tokens on login, having the access tokens expire, and using the refresh token to get a new one.

Signed-off-by: Quentin Gliech <quentingliech@gmail.com>
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Quentin Gliech 2021-06-24 15:33:20 +02:00 committed by GitHub
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15 changed files with 892 additions and 61 deletions

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@ -119,6 +119,27 @@ class RegistrationConfig(Config):
session_lifetime = self.parse_duration(session_lifetime)
self.session_lifetime = session_lifetime
# The `access_token_lifetime` applies for tokens that can be renewed
# using a refresh token, as per MSC2918. If it is `None`, the refresh
# token mechanism is disabled.
#
# Since it is incompatible with the `session_lifetime` mechanism, it is set to
# `None` by default if a `session_lifetime` is set.
access_token_lifetime = config.get(
"access_token_lifetime", "5m" if session_lifetime is None else None
)
if access_token_lifetime is not None:
access_token_lifetime = self.parse_duration(access_token_lifetime)
self.access_token_lifetime = access_token_lifetime
if session_lifetime is not None and access_token_lifetime is not None:
raise ConfigError(
"The refresh token mechanism is incompatible with the "
"`session_lifetime` option. Consider disabling the "
"`session_lifetime` option or disabling the refresh token "
"mechanism by removing the `access_token_lifetime` option."
)
# The success template used during fallback auth.
self.fallback_success_template = self.read_template("auth_success.html")