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Improved push typing (#11409)

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Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
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Marcus 2021-11-30 12:49:20 +01:00 committed by GitHub
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7 changed files with 210 additions and 36 deletions
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1
changelog.d/11409.misc Normal file
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@ -0,0 +1 @@
Improve internal types in push code.

5
docs/templates.md
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@ -71,7 +71,12 @@ Below are the templates Synapse will look for when generating the content of an
* `sender_avatar_url`: the avatar URL (as a `mxc://` URL) for the event's
sender
* `sender_hash`: a hash of the user ID of the sender
* `msgtype`: the type of the message
* `body_text_html`: html representation of the message
* `body_text_plain`: plaintext representation of the message
* `image_url`: mxc url of an image, when "msgtype" is "m.image"
* `link`: a `matrix.to` link to the room
* `avator_url`: url to the room's avator
* `reason`: information on the event that triggered the email to be sent. It's an
object with the following attributes:
* `room_id`: the ID of the room the event was sent in

10
synapse/push/emailpusher.py
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@ -21,6 +21,8 @@ from twisted.internet.interfaces import IDelayedCall
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.push import Pusher, PusherConfig, PusherConfigException, ThrottleParams
from synapse.push.mailer import Mailer
from synapse.push.push_types import EmailReason
from synapse.storage.databases.main.event_push_actions import EmailPushAction
from synapse.util.threepids import validate_email
if TYPE_CHECKING:
@ -190,7 +192,7 @@ class EmailPusher(Pusher):
# we then consider all previously outstanding notifications
# to be delivered.
reason = {
reason: EmailReason = {
"room_id": push_action["room_id"],
"now": self.clock.time_msec(),
"received_at": received_at,
@ -275,7 +277,7 @@ class EmailPusher(Pusher):
return may_send_at
async def sent_notif_update_throttle(
self, room_id: str, notified_push_action: dict
self, room_id: str, notified_push_action: EmailPushAction
) -> None:
# We have sent a notification, so update the throttle accordingly.
# If the event that triggered the notif happened more than
@ -315,7 +317,9 @@ class EmailPusher(Pusher):
self.pusher_id, room_id, self.throttle_params[room_id]
)
async def send_notification(self, push_actions: List[dict], reason: dict) -> None:
async def send_notification(
self, push_actions: List[EmailPushAction], reason: EmailReason
) -> None:
logger.info("Sending notif email for user %r", self.user_id)
await self.mailer.send_notification_mail(

3
synapse/push/httppusher.py
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@ -26,6 +26,7 @@ from synapse.events import EventBase
from synapse.logging import opentracing
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.push import Pusher, PusherConfig, PusherConfigException
from synapse.storage.databases.main.event_push_actions import HttpPushAction
from . import push_rule_evaluator, push_tools
@ -273,7 +274,7 @@ class HttpPusher(Pusher):
)
break
async def _process_one(self, push_action: dict) -> bool:
async def _process_one(self, push_action: HttpPushAction) -> bool:
if "notify" not in push_action["actions"]:
return True

72
synapse/push/mailer.py
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@ -14,7 +14,7 @@
import logging
import urllib.parse
from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, TypeVar
from typing import TYPE_CHECKING, Dict, Iterable, List, Optional, TypeVar
import bleach
import jinja2
@ -28,6 +28,14 @@ from synapse.push.presentable_names import (
descriptor_from_member_events,
name_from_member_event,
)
from synapse.push.push_types import (
EmailReason,
MessageVars,
NotifVars,
RoomVars,
TemplateVars,
)
from synapse.storage.databases.main.event_push_actions import EmailPushAction
from synapse.storage.state import StateFilter
from synapse.types import StateMap, UserID
from synapse.util.async_helpers import concurrently_execute
@ -135,7 +143,7 @@ class Mailer:
% urllib.parse.urlencode(params)
)
template_vars = {"link": link}
template_vars: TemplateVars = {"link": link}
await self.send_email(
email_address,
@ -165,7 +173,7 @@ class Mailer:
% urllib.parse.urlencode(params)
)
template_vars = {"link": link}
template_vars: TemplateVars = {"link": link}
await self.send_email(
email_address,
@ -196,7 +204,7 @@ class Mailer:
% urllib.parse.urlencode(params)
)
template_vars = {"link": link}
template_vars: TemplateVars = {"link": link}
await self.send_email(
email_address,
@ -210,8 +218,8 @@ class Mailer:
app_id: str,
user_id: str,
email_address: str,
push_actions: Iterable[Dict[str, Any]],
reason: Dict[str, Any],
push_actions: Iterable[EmailPushAction],
reason: EmailReason,
) -> None:
"""
Send email regarding a user's room notifications
@ -230,7 +238,7 @@ class Mailer:
[pa["event_id"] for pa in push_actions]
)
notifs_by_room: Dict[str, List[Dict[str, Any]]] = {}
notifs_by_room: Dict[str, List[EmailPushAction]] = {}
for pa in push_actions:
notifs_by_room.setdefault(pa["room_id"], []).append(pa)
@ -258,7 +266,7 @@ class Mailer:
# 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))
rooms: List[Dict[str, Any]] = []
rooms: List[RoomVars] = []
for r in rooms_in_order:
roomvars = await self._get_room_vars(
@ -289,7 +297,7 @@ class Mailer:
notifs_by_room, state_by_room, notif_events, reason
)
template_vars = {
template_vars: TemplateVars = {
"user_display_name": user_display_name,
"unsubscribe_link": self._make_unsubscribe_link(
user_id, app_id, email_address
@ -302,10 +310,10 @@ class Mailer:
await self.send_email(email_address, summary_text, template_vars)
async def send_email(
self, email_address: str, subject: str, extra_template_vars: Dict[str, Any]
self, email_address: str, subject: str, extra_template_vars: TemplateVars
) -> None:
"""Send an email with the given information and template text"""
template_vars = {
template_vars: TemplateVars = {
"app_name": self.app_name,
"server_name": self.hs.config.server.server_name,
}
@ -327,10 +335,10 @@ class Mailer:
self,
room_id: str,
user_id: str,
notifs: Iterable[Dict[str, Any]],
notifs: Iterable[EmailPushAction],
notif_events: Dict[str, EventBase],
room_state_ids: StateMap[str],
) -> Dict[str, Any]:
) -> RoomVars:
"""
Generate the variables for notifications on a per-room basis.
@ -356,7 +364,7 @@ class Mailer:
room_name = await calculate_room_name(self.store, room_state_ids, user_id)
room_vars: Dict[str, Any] = {
room_vars: RoomVars = {
"title": room_name,
"hash": string_ordinal_total(room_id), # See sender avatar hash
"notifs": [],
@ -417,11 +425,11 @@ class Mailer:
async def _get_notif_vars(
self,
notif: Dict[str, Any],
notif: EmailPushAction,
user_id: str,
notif_event: EventBase,
room_state_ids: StateMap[str],
) -> Dict[str, Any]:
) -> NotifVars:
"""
Generate the variables for a single notification.
@ -442,7 +450,7 @@ class Mailer:
after_limit=CONTEXT_AFTER,
)
ret = {
ret: NotifVars = {
"link": self._make_notif_link(notif),
"ts": notif["received_ts"],
"messages": [],
@ -461,8 +469,8 @@ class Mailer:
return ret
async def _get_message_vars(
self, notif: Dict[str, Any], event: EventBase, room_state_ids: StateMap[str]
) -> Optional[Dict[str, Any]]:
self, notif: EmailPushAction, event: EventBase, room_state_ids: StateMap[str]
) -> Optional[MessageVars]:
"""
Generate the variables for a single event, if possible.
@ -494,7 +502,9 @@ class Mailer:
if sender_state_event:
sender_name = name_from_member_event(sender_state_event)
sender_avatar_url = sender_state_event.content.get("avatar_url")
sender_avatar_url: Optional[str] = sender_state_event.content.get(
"avatar_url"
)
else:
# No state could be found, fallback to the MXID.
sender_name = event.sender
@ -504,7 +514,7 @@ class Mailer:
# sender_hash % the number of default images to choose from
sender_hash = string_ordinal_total(event.sender)
ret = {
ret: MessageVars = {
"event_type": event.type,
"is_historical": event.event_id != notif["event_id"],
"id": event.event_id,
@ -519,6 +529,8 @@ class Mailer:
return ret
msgtype = event.content.get("msgtype")
if not isinstance(msgtype, str):
msgtype = None
ret["msgtype"] = msgtype
@ -533,7 +545,7 @@ class Mailer:
return ret
def _add_text_message_vars(
self, messagevars: Dict[str, Any], event: EventBase
self, messagevars: MessageVars, event: EventBase
) -> None:
"""
Potentially add a sanitised message body to the message variables.
@ -543,8 +555,8 @@ class Mailer:
event: The event under consideration.
"""
msgformat = event.content.get("format")
messagevars["format"] = msgformat
if not isinstance(msgformat, str):
msgformat = None
formatted_body = event.content.get("formatted_body")
body = event.content.get("body")
@ -555,7 +567,7 @@ class Mailer:
messagevars["body_text_html"] = safe_text(body)
def _add_image_message_vars(
self, messagevars: Dict[str, Any], event: EventBase
self, messagevars: MessageVars, event: EventBase
) -> None:
"""
Potentially add an image URL to the message variables.
@ -570,7 +582,7 @@ class Mailer:
async def _make_summary_text_single_room(
self,
room_id: str,
notifs: List[Dict[str, Any]],
notifs: List[EmailPushAction],
room_state_ids: StateMap[str],
notif_events: Dict[str, EventBase],
user_id: str,
@ -685,10 +697,10 @@ class Mailer:
async def _make_summary_text(
self,
notifs_by_room: Dict[str, List[Dict[str, Any]]],
notifs_by_room: Dict[str, List[EmailPushAction]],
room_state_ids: Dict[str, StateMap[str]],
notif_events: Dict[str, EventBase],
reason: Dict[str, Any],
reason: EmailReason,
) -> str:
"""
Make a summary text for the email when multiple rooms have notifications.
@ -718,7 +730,7 @@ class Mailer:
async def _make_summary_text_from_member_events(
self,
room_id: str,
notifs: List[Dict[str, Any]],
notifs: List[EmailPushAction],
room_state_ids: StateMap[str],
notif_events: Dict[str, EventBase],
) -> str:
@ -805,7 +817,7 @@ class Mailer:
base_url = "https://matrix.to/#"
return "%s/%s" % (base_url, room_id)
def _make_notif_link(self, notif: Dict[str, str]) -> str:
def _make_notif_link(self, notif: EmailPushAction) -> str:
"""
Generate a link to open an event in the web client.

136
synapse/push/push_types.py Normal file
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@ -0,0 +1,136 @@
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import List, Optional
from typing_extensions import TypedDict
class EmailReason(TypedDict, total=False):
"""
Information on the event that triggered the email to be sent
room_id: the ID of the room the event was sent in
now: timestamp in ms when the email is being sent out
room_name: a human-readable name for the room the event was sent in
received_at: the time in milliseconds at which the event was received
delay_before_mail_ms: the amount of time in milliseconds Synapse always waits
before ever emailing about a notification (to give the user a chance to respond
to other push or notice the window)
last_sent_ts: the time in milliseconds at which a notification was last sent
for an event in this room
throttle_ms: the minimum amount of time in milliseconds between two
notifications can be sent for this room
"""
room_id: str
now: int
room_name: Optional[str]
received_at: int
delay_before_mail_ms: int
last_sent_ts: int
throttle_ms: int
class MessageVars(TypedDict, total=False):
"""
Details about a specific message to include in a notification
event_type: the type of the event
is_historical: a boolean, which is `False` if the message is the one
that triggered the notification, `True` otherwise
id: the ID of the event
ts: the time in milliseconds at which the event was sent
sender_name: the display name for the event's sender
sender_avatar_url: the avatar URL (as a `mxc://` URL) for the event's
sender
sender_hash: a hash of the user ID of the sender
msgtype: the type of the message
body_text_html: html representation of the message
body_text_plain: plaintext representation of the message
image_url: mxc url of an image, when "msgtype" is "m.image"
"""
event_type: str
is_historical: bool
id: str
ts: int
sender_name: str
sender_avatar_url: Optional[str]
sender_hash: int
msgtype: Optional[str]
body_text_html: str
body_text_plain: str
image_url: str
class NotifVars(TypedDict):
"""
Details about an event we are about to include in a notification
link: a `matrix.to` link to the event
ts: the time in milliseconds at which the event was received
messages: a list of messages containing one message before the event, the
message in the event, and one message after the event.
"""
link: str
ts: Optional[int]
messages: List[MessageVars]
class RoomVars(TypedDict):
"""
Represents a room containing events to include in the email.
title: a human-readable name for the room
hash: a hash of the ID of the room
invite: a boolean, which is `True` if the room is an invite the user hasn't
accepted yet, `False` otherwise
notifs: a list of events, or an empty list if `invite` is `True`.
link: a `matrix.to` link to the room
avator_url: url to the room's avator
"""
title: Optional[str]
hash: int
invite: bool
notifs: List[NotifVars]
link: str
avatar_url: Optional[str]
class TemplateVars(TypedDict, total=False):
"""
Generic structure for passing to the email sender, can hold all the fields used in email templates.
app_name: name of the app/service this homeserver is associated with
server_name: name of our own homeserver
link: a link to include into the email to be sent
user_display_name: the display name for the user receiving the notification
unsubscribe_link: the link users can click to unsubscribe from email notifications
summary_text: a summary of the notification(s). The text used can be customised
by configuring the various settings in the `email.subjects` section of the
configuration file.
rooms: a list of rooms containing events to include in the email
reason: information on the event that triggered the email to be sent
"""
app_name: str
server_name: str
link: str
user_display_name: str
unsubscribe_link: str
summary_text: str
rooms: List[RoomVars]
reason: EmailReason

19
synapse/storage/databases/main/event_push_actions.py
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@ -16,6 +16,7 @@ import logging
from typing import TYPE_CHECKING, Dict, List, Optional, Tuple, Union
import attr
from typing_extensions import TypedDict
from synapse.metrics.background_process_metrics import wrap_as_background_process
from synapse.storage._base import SQLBaseStore, db_to_json
@ -37,6 +38,20 @@ DEFAULT_HIGHLIGHT_ACTION = [
]
class BasePushAction(TypedDict):
event_id: str
actions: List[Union[dict, str]]
class HttpPushAction(BasePushAction):
room_id: str
stream_ordering: int
class EmailPushAction(HttpPushAction):
received_ts: Optional[int]
def _serialize_action(actions, is_highlight):
"""Custom serializer for actions. This allows us to "compress" common actions.
@ -221,7 +236,7 @@ class EventPushActionsWorkerStore(SQLBaseStore):
min_stream_ordering: int,
max_stream_ordering: int,
limit: int = 20,
) -> List[dict]:
) -> List[HttpPushAction]:
"""Get a list of the most recent unread push actions for a given user,
within the given stream ordering range. Called by the httppusher.
@ -326,7 +341,7 @@ class EventPushActionsWorkerStore(SQLBaseStore):
min_stream_ordering: int,
max_stream_ordering: int,
limit: int = 20,
) -> List[dict]:
) -> List[EmailPushAction]:
"""Get a list of the most recent unread push actions for a given user,
within the given stream ordering range. Called by the emailpusher