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Convert sending mail to async/await. (#7557)

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Mainly because sometimes the email push code raises exceptions where the
stack traces have gotten lost, which is hopefully fixed by this.
This commit is contained in:
Erik Johnston 2020-05-22 13:41:11 +01:00 committed by GitHub
parent 66f2ebc22f
commit 06a02bc1ce
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 60 additions and 76 deletions
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1
changelog.d/7557.misc Normal file
View File

@ -0,0 +1 @@
Convert sending mail to async/await.

9
synapse/handlers/identity.py
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@ -290,8 +290,7 @@ class IdentityHandler(BaseHandler):
return changed
@defer.inlineCallbacks
def send_threepid_validation(
async def send_threepid_validation(
self,
email_address,
client_secret,
@ -319,7 +318,7 @@ class IdentityHandler(BaseHandler):
"""
# Check that this email/client_secret/send_attempt combo is new or
# greater than what we've seen previously
session = yield self.store.get_threepid_validation_session(
session = await self.store.get_threepid_validation_session(
"email", client_secret, address=email_address, validated=False
)
@ -353,7 +352,7 @@ class IdentityHandler(BaseHandler):
# Send the mail with the link containing the token, client_secret
# and session_id
try:
yield send_email_func(email_address, token, client_secret, session_id)
await send_email_func(email_address, token, client_secret, session_id)
except Exception:
logger.exception(
"Error sending threepid validation email to %s", email_address
@ -364,7 +363,7 @@ class IdentityHandler(BaseHandler):
self.hs.clock.time_msec() + self.hs.config.email_validation_token_lifetime
)
yield self.store.start_or_continue_validation_session(
await self.store.start_or_continue_validation_session(
"email",
email_address,
session_id,

38
synapse/push/emailpusher.py
View File

@ -15,7 +15,6 @@
import logging
from twisted.internet import defer
from twisted.internet.error import AlreadyCalled, AlreadyCancelled
from synapse.metrics.background_process_metrics import run_as_background_process
@ -132,8 +131,7 @@ class EmailPusher(object):
self._is_processing = False
self._start_processing()
@defer.inlineCallbacks
def _process(self):
async def _process(self):
# we should never get here if we are already processing
assert not self._is_processing
@ -142,7 +140,7 @@ class EmailPusher(object):
if self.throttle_params is None:
# this is our first loop: load up the throttle params
self.throttle_params = yield self.store.get_throttle_params_by_room(
self.throttle_params = await self.store.get_throttle_params_by_room(
self.pusher_id
)
@ -151,7 +149,7 @@ class EmailPusher(object):
while True:
starting_max_ordering = self.max_stream_ordering
try:
yield self._unsafe_process()
await self._unsafe_process()
except Exception:
logger.exception("Exception processing notifs")
if self.max_stream_ordering == starting_max_ordering:
@ -159,8 +157,7 @@ class EmailPusher(object):
finally:
self._is_processing = False
@defer.inlineCallbacks
def _unsafe_process(self):
async def _unsafe_process(self):
"""
Main logic of the push loop without the wrapper function that sets
up logging, measures and guards against multiple instances of it
@ -168,12 +165,12 @@ class EmailPusher(object):
"""
start = 0 if INCLUDE_ALL_UNREAD_NOTIFS else self.last_stream_ordering
fn = self.store.get_unread_push_actions_for_user_in_range_for_email
unprocessed = yield fn(self.user_id, start, self.max_stream_ordering)
unprocessed = await fn(self.user_id, start, self.max_stream_ordering)
soonest_due_at = None
if not unprocessed:
yield self.save_last_stream_ordering_and_success(self.max_stream_ordering)
await self.save_last_stream_ordering_and_success(self.max_stream_ordering)
return
for push_action in unprocessed:
@ -201,15 +198,15 @@ class EmailPusher(object):
"throttle_ms": self.get_room_throttle_ms(push_action["room_id"]),
}
yield self.send_notification(unprocessed, reason)
await self.send_notification(unprocessed, reason)
yield self.save_last_stream_ordering_and_success(
await self.save_last_stream_ordering_and_success(
max(ea["stream_ordering"] for ea in unprocessed)
)
# we update the throttle on all the possible unprocessed push actions
for ea in unprocessed:
yield self.sent_notif_update_throttle(ea["room_id"], ea)
await self.sent_notif_update_throttle(ea["room_id"], ea)
break
else:
if soonest_due_at is None or should_notify_at < soonest_due_at:
@ -227,14 +224,13 @@ class EmailPusher(object):
self.seconds_until(soonest_due_at), self.on_timer
)
@defer.inlineCallbacks
def save_last_stream_ordering_and_success(self, last_stream_ordering):
async def save_last_stream_ordering_and_success(self, last_stream_ordering):
if last_stream_ordering is None:
# This happens if we haven't yet processed anything
return
self.last_stream_ordering = last_stream_ordering
pusher_still_exists = yield self.store.update_pusher_last_stream_ordering_and_success(
pusher_still_exists = await self.store.update_pusher_last_stream_ordering_and_success(
self.app_id,
self.email,
self.user_id,
@ -275,13 +271,12 @@ class EmailPusher(object):
may_send_at = last_sent_ts + throttle_ms
return may_send_at
@defer.inlineCallbacks
def sent_notif_update_throttle(self, room_id, notified_push_action):
async def sent_notif_update_throttle(self, room_id, notified_push_action):
# We have sent a notification, so update the throttle accordingly.
# If the event that triggered the notif happened more than
# THROTTLE_RESET_AFTER_MS after the previous one that triggered a
# notif, we release the throttle. Otherwise, the throttle is increased.
time_of_previous_notifs = yield self.store.get_time_of_last_push_action_before(
time_of_previous_notifs = await self.store.get_time_of_last_push_action_before(
notified_push_action["stream_ordering"]
)
@ -310,14 +305,13 @@ class EmailPusher(object):
"last_sent_ts": self.clock.time_msec(),
"throttle_ms": new_throttle_ms,
}
yield self.store.set_throttle_params(
await self.store.set_throttle_params(
self.pusher_id, room_id, self.throttle_params[room_id]
)
@defer.inlineCallbacks
def send_notification(self, push_actions, reason):
async def send_notification(self, push_actions, reason):
logger.info("Sending notif email for user %r", self.user_id)
yield self.mailer.send_notification_mail(
await self.mailer.send_notification_mail(
self.app_id, self.user_id, self.email, push_actions, reason
)

84
synapse/push/mailer.py
View File

@ -26,8 +26,6 @@ from six.moves import urllib
import bleach
import jinja2
from twisted.internet import defer
from synapse.api.constants import EventTypes
from synapse.api.errors import StoreError
from synapse.logging.context import make_deferred_yieldable
@ -127,8 +125,7 @@ class Mailer(object):
logger.info("Created Mailer for app_name %s" % app_name)
@defer.inlineCallbacks
def send_password_reset_mail(self, email_address, token, client_secret, sid):
async def send_password_reset_mail(self, email_address, token, client_secret, sid):
"""Send an email with a password reset link to a user
Args:
@ -149,14 +146,13 @@ class Mailer(object):
template_vars = {"link": link}
yield self.send_email(
await self.send_email(
email_address,
"[%s] Password Reset" % self.hs.config.server_name,
template_vars,
)
@defer.inlineCallbacks
def send_registration_mail(self, email_address, token, client_secret, sid):
async def send_registration_mail(self, email_address, token, client_secret, sid):
"""Send an email with a registration confirmation link to a user
Args:
@ -177,14 +173,13 @@ class Mailer(object):
template_vars = {"link": link}
yield self.send_email(
await self.send_email(
email_address,
"[%s] Register your Email Address" % self.hs.config.server_name,
template_vars,
)
@defer.inlineCallbacks
def send_add_threepid_mail(self, email_address, token, client_secret, sid):
async def send_add_threepid_mail(self, email_address, token, client_secret, sid):
"""Send an email with a validation link to a user for adding a 3pid to their account
Args:
@ -206,20 +201,19 @@ class Mailer(object):
template_vars = {"link": link}
yield self.send_email(
await self.send_email(
email_address,
"[%s] Validate Your Email" % self.hs.config.server_name,
template_vars,
)
@defer.inlineCallbacks
def send_notification_mail(
async def send_notification_mail(
self, app_id, user_id, email_address, push_actions, reason
):
"""Send email regarding a user's room notifications"""
rooms_in_order = deduped_ordered_list([pa["room_id"] for pa in push_actions])
notif_events = yield self.store.get_events(
notif_events = await self.store.get_events(
[pa["event_id"] for pa in push_actions]
)
@ -232,7 +226,7 @@ class Mailer(object):
state_by_room = {}
try:
user_display_name = yield self.store.get_profile_displayname(
user_display_name = await self.store.get_profile_displayname(
UserID.from_string(user_id).localpart
)
if user_display_name is None:
@ -240,14 +234,13 @@ class Mailer(object):
except StoreError:
user_display_name = user_id
@defer.inlineCallbacks
def _fetch_room_state(room_id):
room_state = yield self.store.get_current_state_ids(room_id)
async def _fetch_room_state(room_id):
room_state = await self.store.get_current_state_ids(room_id)
state_by_room[room_id] = room_state
# Run at most 3 of these at once: sync does 10 at a time but email
# notifs are much less realtime than sync so we can afford to wait a bit.
yield concurrently_execute(_fetch_room_state, rooms_in_order, 3)
await concurrently_execute(_fetch_room_state, rooms_in_order, 3)
# actually sort our so-called rooms_in_order list, most recent room first
rooms_in_order.sort(key=lambda r: -(notifs_by_room[r][-1]["received_ts"] or 0))
@ -255,19 +248,19 @@ class Mailer(object):
rooms = []
for r in rooms_in_order:
roomvars = yield self.get_room_vars(
roomvars = await self.get_room_vars(
r, user_id, notifs_by_room[r], notif_events, state_by_room[r]
)
rooms.append(roomvars)
reason["room_name"] = yield calculate_room_name(
reason["room_name"] = await calculate_room_name(
self.store,
state_by_room[reason["room_id"]],
user_id,
fallback_to_members=True,
)
summary_text = yield self.make_summary_text(
summary_text = await self.make_summary_text(
notifs_by_room, state_by_room, notif_events, user_id, reason
)
@ -282,12 +275,11 @@ class Mailer(object):
"reason": reason,
}
yield self.send_email(
await self.send_email(
email_address, "[%s] %s" % (self.app_name, summary_text), template_vars
)
@defer.inlineCallbacks
def send_email(self, email_address, subject, template_vars):
async def send_email(self, email_address, subject, template_vars):
"""Send an email with the given information and template text"""
try:
from_string = self.hs.config.email_notif_from % {"app": self.app_name}
@ -317,7 +309,7 @@ class Mailer(object):
logger.info("Sending email to %s" % email_address)
yield make_deferred_yieldable(
await make_deferred_yieldable(
self.sendmail(
self.hs.config.email_smtp_host,
raw_from,
@ -332,13 +324,14 @@ class Mailer(object):
)
)
@defer.inlineCallbacks
def get_room_vars(self, room_id, user_id, notifs, notif_events, room_state_ids):
async def get_room_vars(
self, room_id, user_id, notifs, notif_events, room_state_ids
):
my_member_event_id = room_state_ids[("m.room.member", user_id)]
my_member_event = yield self.store.get_event(my_member_event_id)
my_member_event = await self.store.get_event(my_member_event_id)
is_invite = my_member_event.content["membership"] == "invite"
room_name = yield calculate_room_name(self.store, room_state_ids, user_id)
room_name = await calculate_room_name(self.store, room_state_ids, user_id)
room_vars = {
"title": room_name,
@ -350,7 +343,7 @@ class Mailer(object):
if not is_invite:
for n in notifs:
notifvars = yield self.get_notif_vars(
notifvars = await self.get_notif_vars(
n, user_id, notif_events[n["event_id"]], room_state_ids
)
@ -377,9 +370,8 @@ class Mailer(object):
return room_vars
@defer.inlineCallbacks
def get_notif_vars(self, notif, user_id, notif_event, room_state_ids):
results = yield self.store.get_events_around(
async def get_notif_vars(self, notif, user_id, notif_event, room_state_ids):
results = await self.store.get_events_around(
notif["room_id"],
notif["event_id"],
before_limit=CONTEXT_BEFORE,
@ -392,25 +384,24 @@ class Mailer(object):
"messages": [],
}
the_events = yield filter_events_for_client(
the_events = await filter_events_for_client(
self.storage, user_id, results["events_before"]
)
the_events.append(notif_event)
for event in the_events:
messagevars = yield self.get_message_vars(notif, event, room_state_ids)
messagevars = await self.get_message_vars(notif, event, room_state_ids)
if messagevars is not None:
ret["messages"].append(messagevars)
return ret
@defer.inlineCallbacks
def get_message_vars(self, notif, event, room_state_ids):
async def get_message_vars(self, notif, event, room_state_ids):
if event.type != EventTypes.Message:
return
sender_state_event_id = room_state_ids[("m.room.member", event.sender)]
sender_state_event = yield self.store.get_event(sender_state_event_id)
sender_state_event = await self.store.get_event(sender_state_event_id)
sender_name = name_from_member_event(sender_state_event)
sender_avatar_url = sender_state_event.content.get("avatar_url")
@ -460,8 +451,7 @@ class Mailer(object):
return messagevars
@defer.inlineCallbacks
def make_summary_text(
async def make_summary_text(
self, notifs_by_room, room_state_ids, notif_events, user_id, reason
):
if len(notifs_by_room) == 1:
@ -471,17 +461,17 @@ class Mailer(object):
# If the room has some kind of name, use it, but we don't
# want the generated-from-names one here otherwise we'll
# end up with, "new message from Bob in the Bob room"
room_name = yield calculate_room_name(
room_name = await calculate_room_name(
self.store, room_state_ids[room_id], user_id, fallback_to_members=False
)
my_member_event_id = room_state_ids[room_id][("m.room.member", user_id)]
my_member_event = yield self.store.get_event(my_member_event_id)
my_member_event = await self.store.get_event(my_member_event_id)
if my_member_event.content["membership"] == "invite":
inviter_member_event_id = room_state_ids[room_id][
("m.room.member", my_member_event.sender)
]
inviter_member_event = yield self.store.get_event(
inviter_member_event = await self.store.get_event(
inviter_member_event_id
)
inviter_name = name_from_member_event(inviter_member_event)
@ -506,7 +496,7 @@ class Mailer(object):
state_event_id = room_state_ids[room_id][
("m.room.member", event.sender)
]
state_event = yield self.store.get_event(state_event_id)
state_event = await self.store.get_event(state_event_id)
sender_name = name_from_member_event(state_event)
if sender_name is not None and room_name is not None:
@ -535,7 +525,7 @@ class Mailer(object):
}
)
member_events = yield self.store.get_events(
member_events = await self.store.get_events(
[
room_state_ids[room_id][("m.room.member", s)]
for s in sender_ids
@ -567,7 +557,7 @@ class Mailer(object):
}
)
member_events = yield self.store.get_events(
member_events = await self.store.get_events(
[room_state_ids[room_id][("m.room.member", s)] for s in sender_ids]
)

4
tests/rest/client/v2_alpha/test_account.py
View File

@ -46,7 +46,7 @@ class PasswordResetTestCase(unittest.HomeserverTestCase):
# Email config.
self.email_attempts = []
def sendmail(smtphost, from_addr, to_addrs, msg, **kwargs):
async def sendmail(smtphost, from_addr, to_addrs, msg, **kwargs):
self.email_attempts.append(msg)
return
@ -358,7 +358,7 @@ class ThreepidEmailRestTestCase(unittest.HomeserverTestCase):
# Email config.
self.email_attempts = []
def sendmail(smtphost, from_addr, to_addrs, msg, **kwargs):
async def sendmail(smtphost, from_addr, to_addrs, msg, **kwargs):
self.email_attempts.append(msg)
config["email"] = {