727 lines
25 KiB
Python
727 lines
25 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2016 OpenMarket Ltd
|
|
#
|
|
# 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.
|
|
|
|
import email.mime.multipart
|
|
import email.utils
|
|
import logging
|
|
import time
|
|
from email.mime.multipart import MIMEMultipart
|
|
from email.mime.text import MIMEText
|
|
|
|
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
|
|
from synapse.push.presentable_names import (
|
|
calculate_room_name,
|
|
descriptor_from_member_events,
|
|
name_from_member_event,
|
|
)
|
|
from synapse.types import UserID
|
|
from synapse.util.async_helpers import concurrently_execute
|
|
from synapse.visibility import filter_events_for_client
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
MESSAGE_FROM_PERSON_IN_ROOM = (
|
|
"You have a message on %(app)s from %(person)s in the %(room)s room..."
|
|
)
|
|
MESSAGE_FROM_PERSON = "You have a message on %(app)s from %(person)s..."
|
|
MESSAGES_FROM_PERSON = "You have messages on %(app)s from %(person)s..."
|
|
MESSAGES_IN_ROOM = "You have messages on %(app)s in the %(room)s room..."
|
|
MESSAGES_IN_ROOM_AND_OTHERS = (
|
|
"You have messages on %(app)s in the %(room)s room and others..."
|
|
)
|
|
MESSAGES_FROM_PERSON_AND_OTHERS = (
|
|
"You have messages on %(app)s from %(person)s and others..."
|
|
)
|
|
INVITE_FROM_PERSON_TO_ROOM = (
|
|
"%(person)s has invited you to join the %(room)s room on %(app)s..."
|
|
)
|
|
INVITE_FROM_PERSON = "%(person)s has invited you to chat on %(app)s..."
|
|
|
|
CONTEXT_BEFORE = 1
|
|
CONTEXT_AFTER = 1
|
|
|
|
# From https://github.com/matrix-org/matrix-react-sdk/blob/master/src/HtmlUtils.js
|
|
ALLOWED_TAGS = [
|
|
"font", # custom to matrix for IRC-style font coloring
|
|
"del", # for markdown
|
|
# deliberately no h1/h2 to stop people shouting.
|
|
"h3",
|
|
"h4",
|
|
"h5",
|
|
"h6",
|
|
"blockquote",
|
|
"p",
|
|
"a",
|
|
"ul",
|
|
"ol",
|
|
"nl",
|
|
"li",
|
|
"b",
|
|
"i",
|
|
"u",
|
|
"strong",
|
|
"em",
|
|
"strike",
|
|
"code",
|
|
"hr",
|
|
"br",
|
|
"div",
|
|
"table",
|
|
"thead",
|
|
"caption",
|
|
"tbody",
|
|
"tr",
|
|
"th",
|
|
"td",
|
|
"pre",
|
|
]
|
|
ALLOWED_ATTRS = {
|
|
# custom ones first:
|
|
"font": ["color"], # custom to matrix
|
|
"a": ["href", "name", "target"], # remote target: custom to matrix
|
|
# We don't currently allow img itself by default, but this
|
|
# would make sense if we did
|
|
"img": ["src"],
|
|
}
|
|
# When bleach release a version with this option, we can specify schemes
|
|
# ALLOWED_SCHEMES = ["http", "https", "ftp", "mailto"]
|
|
|
|
|
|
class Mailer(object):
|
|
def __init__(self, hs, app_name, template_html, template_text):
|
|
self.hs = hs
|
|
self.template_html = template_html
|
|
self.template_text = template_text
|
|
|
|
self.sendmail = self.hs.get_sendmail()
|
|
self.store = self.hs.get_datastore()
|
|
self.macaroon_gen = self.hs.get_macaroon_generator()
|
|
self.state_handler = self.hs.get_state_handler()
|
|
self.storage = hs.get_storage()
|
|
self.app_name = app_name
|
|
|
|
logger.info("Created Mailer for app_name %s" % app_name)
|
|
|
|
@defer.inlineCallbacks
|
|
def send_password_reset_mail(self, email_address, token, client_secret, sid):
|
|
"""Send an email with a password reset link to a user
|
|
|
|
Args:
|
|
email_address (str): Email address we're sending the password
|
|
reset to
|
|
token (str): Unique token generated by the server to verify
|
|
the email was received
|
|
client_secret (str): Unique token generated by the client to
|
|
group together multiple email sending attempts
|
|
sid (str): The generated session ID
|
|
"""
|
|
params = {"token": token, "client_secret": client_secret, "sid": sid}
|
|
link = (
|
|
self.hs.config.public_baseurl
|
|
+ "_matrix/client/unstable/password_reset/email/submit_token?%s"
|
|
% urllib.parse.urlencode(params)
|
|
)
|
|
|
|
template_vars = {"link": link}
|
|
|
|
yield 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):
|
|
"""Send an email with a registration confirmation link to a user
|
|
|
|
Args:
|
|
email_address (str): Email address we're sending the registration
|
|
link to
|
|
token (str): Unique token generated by the server to verify
|
|
the email was received
|
|
client_secret (str): Unique token generated by the client to
|
|
group together multiple email sending attempts
|
|
sid (str): The generated session ID
|
|
"""
|
|
params = {"token": token, "client_secret": client_secret, "sid": sid}
|
|
link = (
|
|
self.hs.config.public_baseurl
|
|
+ "_matrix/client/unstable/registration/email/submit_token?%s"
|
|
% urllib.parse.urlencode(params)
|
|
)
|
|
|
|
template_vars = {"link": link}
|
|
|
|
yield 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):
|
|
"""Send an email with a validation link to a user for adding a 3pid to their account
|
|
|
|
Args:
|
|
email_address (str): Email address we're sending the validation link to
|
|
|
|
token (str): Unique token generated by the server to verify the email was received
|
|
|
|
client_secret (str): Unique token generated by the client to group together
|
|
multiple email sending attempts
|
|
|
|
sid (str): The generated session ID
|
|
"""
|
|
params = {"token": token, "client_secret": client_secret, "sid": sid}
|
|
link = (
|
|
self.hs.config.public_baseurl
|
|
+ "_matrix/client/unstable/add_threepid/email/submit_token?%s"
|
|
% urllib.parse.urlencode(params)
|
|
)
|
|
|
|
template_vars = {"link": link}
|
|
|
|
yield self.send_email(
|
|
email_address,
|
|
"[%s] Validate Your Email" % self.hs.config.server_name,
|
|
template_vars,
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
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(
|
|
[pa["event_id"] for pa in push_actions]
|
|
)
|
|
|
|
notifs_by_room = {}
|
|
for pa in push_actions:
|
|
notifs_by_room.setdefault(pa["room_id"], []).append(pa)
|
|
|
|
# collect the current state for all the rooms in which we have
|
|
# notifications
|
|
state_by_room = {}
|
|
|
|
try:
|
|
user_display_name = yield self.store.get_profile_displayname(
|
|
UserID.from_string(user_id).localpart
|
|
)
|
|
if user_display_name is None:
|
|
user_display_name = user_id
|
|
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)
|
|
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)
|
|
|
|
# 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 = []
|
|
|
|
for r in rooms_in_order:
|
|
roomvars = yield 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(
|
|
self.store,
|
|
state_by_room[reason["room_id"]],
|
|
user_id,
|
|
fallback_to_members=True,
|
|
)
|
|
|
|
summary_text = yield self.make_summary_text(
|
|
notifs_by_room, state_by_room, notif_events, user_id, reason
|
|
)
|
|
|
|
template_vars = {
|
|
"user_display_name": user_display_name,
|
|
"unsubscribe_link": self.make_unsubscribe_link(
|
|
user_id, app_id, email_address
|
|
),
|
|
"summary_text": summary_text,
|
|
"app_name": self.app_name,
|
|
"rooms": rooms,
|
|
"reason": reason,
|
|
}
|
|
|
|
yield 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):
|
|
"""Send an email with the given information and template text"""
|
|
try:
|
|
from_string = self.hs.config.email_notif_from % {"app": self.app_name}
|
|
except TypeError:
|
|
from_string = self.hs.config.email_notif_from
|
|
|
|
raw_from = email.utils.parseaddr(from_string)[1]
|
|
raw_to = email.utils.parseaddr(email_address)[1]
|
|
|
|
if raw_to == "":
|
|
raise RuntimeError("Invalid 'to' address")
|
|
|
|
html_text = self.template_html.render(**template_vars)
|
|
html_part = MIMEText(html_text, "html", "utf8")
|
|
|
|
plain_text = self.template_text.render(**template_vars)
|
|
text_part = MIMEText(plain_text, "plain", "utf8")
|
|
|
|
multipart_msg = MIMEMultipart("alternative")
|
|
multipart_msg["Subject"] = subject
|
|
multipart_msg["From"] = from_string
|
|
multipart_msg["To"] = email_address
|
|
multipart_msg["Date"] = email.utils.formatdate()
|
|
multipart_msg["Message-ID"] = email.utils.make_msgid()
|
|
multipart_msg.attach(text_part)
|
|
multipart_msg.attach(html_part)
|
|
|
|
logger.info("Sending email to %s" % email_address)
|
|
|
|
yield make_deferred_yieldable(
|
|
self.sendmail(
|
|
self.hs.config.email_smtp_host,
|
|
raw_from,
|
|
raw_to,
|
|
multipart_msg.as_string().encode("utf8"),
|
|
reactor=self.hs.get_reactor(),
|
|
port=self.hs.config.email_smtp_port,
|
|
requireAuthentication=self.hs.config.email_smtp_user is not None,
|
|
username=self.hs.config.email_smtp_user,
|
|
password=self.hs.config.email_smtp_pass,
|
|
requireTransportSecurity=self.hs.config.require_transport_security,
|
|
)
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
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)
|
|
is_invite = my_member_event.content["membership"] == "invite"
|
|
|
|
room_name = yield calculate_room_name(self.store, room_state_ids, user_id)
|
|
|
|
room_vars = {
|
|
"title": room_name,
|
|
"hash": string_ordinal_total(room_id), # See sender avatar hash
|
|
"notifs": [],
|
|
"invite": is_invite,
|
|
"link": self.make_room_link(room_id),
|
|
}
|
|
|
|
if not is_invite:
|
|
for n in notifs:
|
|
notifvars = yield self.get_notif_vars(
|
|
n, user_id, notif_events[n["event_id"]], room_state_ids
|
|
)
|
|
|
|
# merge overlapping notifs together.
|
|
# relies on the notifs being in chronological order.
|
|
merge = False
|
|
if room_vars["notifs"] and "messages" in room_vars["notifs"][-1]:
|
|
prev_messages = room_vars["notifs"][-1]["messages"]
|
|
for message in notifvars["messages"]:
|
|
pm = list(
|
|
filter(lambda pm: pm["id"] == message["id"], prev_messages)
|
|
)
|
|
if pm:
|
|
if not message["is_historical"]:
|
|
pm[0]["is_historical"] = False
|
|
merge = True
|
|
elif merge:
|
|
# we're merging, so append any remaining messages
|
|
# in this notif to the previous one
|
|
prev_messages.append(message)
|
|
|
|
if not merge:
|
|
room_vars["notifs"].append(notifvars)
|
|
|
|
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(
|
|
notif["room_id"],
|
|
notif["event_id"],
|
|
before_limit=CONTEXT_BEFORE,
|
|
after_limit=CONTEXT_AFTER,
|
|
)
|
|
|
|
ret = {
|
|
"link": self.make_notif_link(notif),
|
|
"ts": notif["received_ts"],
|
|
"messages": [],
|
|
}
|
|
|
|
the_events = yield 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)
|
|
if messagevars is not None:
|
|
ret["messages"].append(messagevars)
|
|
|
|
return ret
|
|
|
|
@defer.inlineCallbacks
|
|
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_name = name_from_member_event(sender_state_event)
|
|
sender_avatar_url = sender_state_event.content.get("avatar_url")
|
|
|
|
# 'hash' for deterministically picking default images: use
|
|
# sender_hash % the number of default images to choose from
|
|
sender_hash = string_ordinal_total(event.sender)
|
|
|
|
msgtype = event.content.get("msgtype")
|
|
|
|
ret = {
|
|
"msgtype": msgtype,
|
|
"is_historical": event.event_id != notif["event_id"],
|
|
"id": event.event_id,
|
|
"ts": event.origin_server_ts,
|
|
"sender_name": sender_name,
|
|
"sender_avatar_url": sender_avatar_url,
|
|
"sender_hash": sender_hash,
|
|
}
|
|
|
|
if msgtype == "m.text":
|
|
self.add_text_message_vars(ret, event)
|
|
elif msgtype == "m.image":
|
|
self.add_image_message_vars(ret, event)
|
|
|
|
if "body" in event.content:
|
|
ret["body_text_plain"] = event.content["body"]
|
|
|
|
return ret
|
|
|
|
def add_text_message_vars(self, messagevars, event):
|
|
msgformat = event.content.get("format")
|
|
|
|
messagevars["format"] = msgformat
|
|
|
|
formatted_body = event.content.get("formatted_body")
|
|
body = event.content.get("body")
|
|
|
|
if msgformat == "org.matrix.custom.html" and formatted_body:
|
|
messagevars["body_text_html"] = safe_markup(formatted_body)
|
|
elif body:
|
|
messagevars["body_text_html"] = safe_text(body)
|
|
|
|
return messagevars
|
|
|
|
def add_image_message_vars(self, messagevars, event):
|
|
messagevars["image_url"] = event.content["url"]
|
|
|
|
return messagevars
|
|
|
|
@defer.inlineCallbacks
|
|
def make_summary_text(
|
|
self, notifs_by_room, room_state_ids, notif_events, user_id, reason
|
|
):
|
|
if len(notifs_by_room) == 1:
|
|
# Only one room has new stuff
|
|
room_id = list(notifs_by_room.keys())[0]
|
|
|
|
# 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(
|
|
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)
|
|
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_id
|
|
)
|
|
inviter_name = name_from_member_event(inviter_member_event)
|
|
|
|
if room_name is None:
|
|
return INVITE_FROM_PERSON % {
|
|
"person": inviter_name,
|
|
"app": self.app_name,
|
|
}
|
|
else:
|
|
return INVITE_FROM_PERSON_TO_ROOM % {
|
|
"person": inviter_name,
|
|
"room": room_name,
|
|
"app": self.app_name,
|
|
}
|
|
|
|
sender_name = None
|
|
if len(notifs_by_room[room_id]) == 1:
|
|
# There is just the one notification, so give some detail
|
|
event = notif_events[notifs_by_room[room_id][0]["event_id"]]
|
|
if ("m.room.member", event.sender) in room_state_ids[room_id]:
|
|
state_event_id = room_state_ids[room_id][
|
|
("m.room.member", event.sender)
|
|
]
|
|
state_event = yield 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:
|
|
return MESSAGE_FROM_PERSON_IN_ROOM % {
|
|
"person": sender_name,
|
|
"room": room_name,
|
|
"app": self.app_name,
|
|
}
|
|
elif sender_name is not None:
|
|
return MESSAGE_FROM_PERSON % {
|
|
"person": sender_name,
|
|
"app": self.app_name,
|
|
}
|
|
else:
|
|
# There's more than one notification for this room, so just
|
|
# say there are several
|
|
if room_name is not None:
|
|
return MESSAGES_IN_ROOM % {"room": room_name, "app": self.app_name}
|
|
else:
|
|
# If the room doesn't have a name, say who the messages
|
|
# are from explicitly to avoid, "messages in the Bob room"
|
|
sender_ids = list(
|
|
set(
|
|
[
|
|
notif_events[n["event_id"]].sender
|
|
for n in notifs_by_room[room_id]
|
|
]
|
|
)
|
|
)
|
|
|
|
member_events = yield self.store.get_events(
|
|
[
|
|
room_state_ids[room_id][("m.room.member", s)]
|
|
for s in sender_ids
|
|
]
|
|
)
|
|
|
|
return MESSAGES_FROM_PERSON % {
|
|
"person": descriptor_from_member_events(member_events.values()),
|
|
"app": self.app_name,
|
|
}
|
|
else:
|
|
# Stuff's happened in multiple different rooms
|
|
|
|
# ...but we still refer to the 'reason' room which triggered the mail
|
|
if reason["room_name"] is not None:
|
|
return MESSAGES_IN_ROOM_AND_OTHERS % {
|
|
"room": reason["room_name"],
|
|
"app": self.app_name,
|
|
}
|
|
else:
|
|
# If the reason room doesn't have a name, say who the messages
|
|
# are from explicitly to avoid, "messages in the Bob room"
|
|
sender_ids = list(
|
|
set(
|
|
[
|
|
notif_events[n["event_id"]].sender
|
|
for n in notifs_by_room[reason["room_id"]]
|
|
]
|
|
)
|
|
)
|
|
|
|
member_events = yield self.store.get_events(
|
|
[room_state_ids[room_id][("m.room.member", s)] for s in sender_ids]
|
|
)
|
|
|
|
return MESSAGES_FROM_PERSON_AND_OTHERS % {
|
|
"person": descriptor_from_member_events(member_events.values()),
|
|
"app": self.app_name,
|
|
}
|
|
|
|
def make_room_link(self, room_id):
|
|
if self.hs.config.email_riot_base_url:
|
|
base_url = "%s/#/room" % (self.hs.config.email_riot_base_url)
|
|
elif self.app_name == "Vector":
|
|
# need /beta for Universal Links to work on iOS
|
|
base_url = "https://vector.im/beta/#/room"
|
|
else:
|
|
base_url = "https://matrix.to/#"
|
|
return "%s/%s" % (base_url, room_id)
|
|
|
|
def make_notif_link(self, notif):
|
|
if self.hs.config.email_riot_base_url:
|
|
return "%s/#/room/%s/%s" % (
|
|
self.hs.config.email_riot_base_url,
|
|
notif["room_id"],
|
|
notif["event_id"],
|
|
)
|
|
elif self.app_name == "Vector":
|
|
# need /beta for Universal Links to work on iOS
|
|
return "https://vector.im/beta/#/room/%s/%s" % (
|
|
notif["room_id"],
|
|
notif["event_id"],
|
|
)
|
|
else:
|
|
return "https://matrix.to/#/%s/%s" % (notif["room_id"], notif["event_id"])
|
|
|
|
def make_unsubscribe_link(self, user_id, app_id, email_address):
|
|
params = {
|
|
"access_token": self.macaroon_gen.generate_delete_pusher_token(user_id),
|
|
"app_id": app_id,
|
|
"pushkey": email_address,
|
|
}
|
|
|
|
# XXX: make r0 once API is stable
|
|
return "%s_matrix/client/unstable/pushers/remove?%s" % (
|
|
self.hs.config.public_baseurl,
|
|
urllib.parse.urlencode(params),
|
|
)
|
|
|
|
|
|
def safe_markup(raw_html):
|
|
return jinja2.Markup(
|
|
bleach.linkify(
|
|
bleach.clean(
|
|
raw_html,
|
|
tags=ALLOWED_TAGS,
|
|
attributes=ALLOWED_ATTRS,
|
|
# bleach master has this, but it isn't released yet
|
|
# protocols=ALLOWED_SCHEMES,
|
|
strip=True,
|
|
)
|
|
)
|
|
)
|
|
|
|
|
|
def safe_text(raw_text):
|
|
"""
|
|
Process text: treat it as HTML but escape any tags (ie. just escape the
|
|
HTML) then linkify it.
|
|
"""
|
|
return jinja2.Markup(
|
|
bleach.linkify(bleach.clean(raw_text, tags=[], attributes={}, strip=False))
|
|
)
|
|
|
|
|
|
def deduped_ordered_list(l):
|
|
seen = set()
|
|
ret = []
|
|
for item in l:
|
|
if item not in seen:
|
|
seen.add(item)
|
|
ret.append(item)
|
|
return ret
|
|
|
|
|
|
def string_ordinal_total(s):
|
|
tot = 0
|
|
for c in s:
|
|
tot += ord(c)
|
|
return tot
|
|
|
|
|
|
def format_ts_filter(value, format):
|
|
return time.strftime(format, time.localtime(value / 1000))
|
|
|
|
|
|
def load_jinja2_templates(
|
|
template_dir,
|
|
template_filenames,
|
|
apply_format_ts_filter=False,
|
|
apply_mxc_to_http_filter=False,
|
|
public_baseurl=None,
|
|
):
|
|
"""Loads and returns one or more jinja2 templates and applies optional filters
|
|
|
|
Args:
|
|
template_dir (str): The directory where templates are stored
|
|
template_filenames (list[str]): A list of template filenames
|
|
apply_format_ts_filter (bool): Whether to apply a template filter that formats
|
|
timestamps
|
|
apply_mxc_to_http_filter (bool): Whether to apply a template filter that converts
|
|
mxc urls to http urls
|
|
public_baseurl (str|None): The public baseurl of the server. Required for
|
|
apply_mxc_to_http_filter to be enabled
|
|
|
|
Returns:
|
|
A list of jinja2 templates corresponding to the given list of filenames,
|
|
with order preserved
|
|
"""
|
|
logger.info(
|
|
"loading email templates %s from '%s'", template_filenames, template_dir
|
|
)
|
|
loader = jinja2.FileSystemLoader(template_dir)
|
|
env = jinja2.Environment(loader=loader)
|
|
|
|
if apply_format_ts_filter:
|
|
env.filters["format_ts"] = format_ts_filter
|
|
|
|
if apply_mxc_to_http_filter and public_baseurl:
|
|
env.filters["mxc_to_http"] = _create_mxc_to_http_filter(public_baseurl)
|
|
|
|
templates = []
|
|
for template_filename in template_filenames:
|
|
template = env.get_template(template_filename)
|
|
templates.append(template)
|
|
|
|
return templates
|
|
|
|
|
|
def _create_mxc_to_http_filter(public_baseurl):
|
|
def mxc_to_http_filter(value, width, height, resize_method="crop"):
|
|
if value[0:6] != "mxc://":
|
|
return ""
|
|
|
|
serverAndMediaId = value[6:]
|
|
fragment = None
|
|
if "#" in serverAndMediaId:
|
|
(serverAndMediaId, fragment) = serverAndMediaId.split("#", 1)
|
|
fragment = "#" + fragment
|
|
|
|
params = {"width": width, "height": height, "method": resize_method}
|
|
return "%s_matrix/media/v1/thumbnail/%s?%s%s" % (
|
|
public_baseurl,
|
|
serverAndMediaId,
|
|
urllib.parse.urlencode(params),
|
|
fragment or "",
|
|
)
|
|
|
|
return mxc_to_http_filter
|