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Make max_delta equal to period * 10%
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parent
7e1c7cc274
commit
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3 changed files with 8 additions and 32 deletions
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@ -39,9 +39,7 @@ class AccountValidityConfig(Config):
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else:
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self.renew_email_subject = "Renew your %(app)s account"
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self.startup_job_max_delta = self.parse_duration(
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config.get("startup_job_max_delta", 0),
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)
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self.startup_job_max_delta = self.period * 10. / 100.
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if self.renew_by_email_enabled and "public_baseurl" not in synapse_config:
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raise ConfigError("Can't send renewal emails without 'public_baseurl'")
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@ -133,20 +131,15 @@ class RegistrationConfig(Config):
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# This means that, if a validity period is set, and Synapse is restarted (it will
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# then derive an expiration date from the current validity period), and some time
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# after that the validity period changes and Synapse is restarted, the users'
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# expiration dates won't be updated unless their account is manually renewed.
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#
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# If set, the ``startup_job_max_delta`` optional setting will make the startup job
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# described above set a random expiration date between t + period and
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# t + period + startup_job_max_delta, t being the date and time at which the job
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# sets the expiration date for a given user. This is useful for server admins that
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# want to avoid Synapse sending a lot of renewal emails at once.
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# expiration dates won't be updated unless their account is manually renewed. This
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# date will be randomly selected within a range [now + period ; now + period + d],
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# where d is equal to 10% of the validity period.
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#
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#account_validity:
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# enabled: True
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# period: 6w
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# renew_at: 1w
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# renew_email_subject: "Renew your %%(app)s account"
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# startup_job_max_delta: 2d
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# The user must provide all of the below types of 3PID when registering.
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#
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@ -329,14 +329,13 @@ class SQLBaseStore(object):
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user_id (str): User ID to set an expiration date for.
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use_delta (bool): If set to False, the expiration date for the user will be
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now + validity period. If set to True, this expiration date will be a
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random value in the [now + period; now + period + max_delta] range,
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max_delta being the configured value for the size of the range, unless
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delta is 0, in which case it sets it to now + period.
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random value in the [now + period; now + period + d] range, d being a
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delta equal to 10% of the validity period.
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"""
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now_ms = self._clock.time_msec()
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expiration_ts = now_ms + self._account_validity.period
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if use_delta and self._account_validity.startup_job_max_delta:
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if use_delta:
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expiration_ts = self.rand.randrange(
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expiration_ts,
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expiration_ts + self._account_validity.startup_job_max_delta,
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@ -436,7 +436,7 @@ class AccountValidityBackgroundJobTestCase(unittest.HomeserverTestCase):
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def make_homeserver(self, reactor, clock):
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self.validity_period = 10
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self.max_delta = 10
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self.max_delta = self.validity_period * 10. / 100.
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config = self.default_config()
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@ -453,22 +453,6 @@ class AccountValidityBackgroundJobTestCase(unittest.HomeserverTestCase):
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return self.hs
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def test_background_job(self):
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"""
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Tests whether the account validity startup background job does the right thing,
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which is sticking an expiration date to every account that doesn't already have
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one.
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"""
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user_id = self.register_user("kermit", "user")
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self.hs.config.account_validity.startup_job_max_delta = 0
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now_ms = self.hs.clock.time_msec()
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self.get_success(self.store._set_expiration_date_when_missing())
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res = self.get_success(self.store.get_expiration_ts_for_user(user_id))
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self.assertEqual(res, now_ms + self.validity_period)
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def test_background_job_with_max_delta(self):
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"""
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Tests the same thing as test_background_job, except that it sets the
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startup_job_max_delta parameter and checks that the expiration date is within the
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