From 85223106f3c04d2aa4747906412ef05435409eec Mon Sep 17 00:00:00 2001 From: Brendan Abolivier Date: Tue, 14 Jul 2020 19:10:42 +0100 Subject: [PATCH] Allow email subjects to be customised through Synapse's configuration (#7846) --- changelog.d/7846.feature | 1 + docs/sample_config.yaml | 71 +++++++++++++++++++- synapse/config/emailconfig.py | 118 ++++++++++++++++++++++++++++++++-- synapse/push/mailer.py | 51 ++++++--------- 4 files changed, 202 insertions(+), 39 deletions(-) create mode 100644 changelog.d/7846.feature diff --git a/changelog.d/7846.feature b/changelog.d/7846.feature new file mode 100644 index 000000000..997376fe4 --- /dev/null +++ b/changelog.d/7846.feature @@ -0,0 +1 @@ +Allow email subjects to be customised through Synapse's configuration. diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 9d9449546..e059fd2c3 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -1949,8 +1949,8 @@ email: # #notif_from: "Your Friendly %(app)s homeserver " - # app_name defines the default value for '%(app)s' in notif_from. It - # defaults to 'Matrix'. + # app_name defines the default value for '%(app)s' in notif_from and email + # subjects. It defaults to 'Matrix'. # #app_name: my_branded_matrix_server @@ -2019,6 +2019,73 @@ email: # #template_dir: "res/templates" + # Subjects to use when sending emails from Synapse. + # + # The placeholder '%(app)s' will be replaced with the value of the 'app_name' + # setting above, or by a value dictated by the Matrix client application. + # + # If a subject isn't overridden in this configuration file, the value used as + # its example will be used. + # + #subjects: + + # Subjects for notification emails. + # + # On top of the '%(app)s' placeholder, these can use the following + # placeholders: + # + # * '%(person)s', which will be replaced by the display name of the user(s) + # that sent the message(s), e.g. "Alice and Bob". + # * '%(room)s', which will be replaced by the name of the room the + # message(s) have been sent to, e.g. "My super room". + # + # See the example provided for each setting to see which placeholder can be + # used and how to use them. + # + # Subject to use to notify about one message from one or more user(s) in a + # room which has a name. + #message_from_person_in_room: "[%(app)s] You have a message on %(app)s from %(person)s in the %(room)s room..." + # + # Subject to use to notify about one message from one or more user(s) in a + # room which doesn't have a name. + #message_from_person: "[%(app)s] You have a message on %(app)s from %(person)s..." + # + # Subject to use to notify about multiple messages from one or more users in + # a room which doesn't have a name. + #messages_from_person: "[%(app)s] You have messages on %(app)s from %(person)s..." + # + # Subject to use to notify about multiple messages in a room which has a + # name. + #messages_in_room: "[%(app)s] You have messages on %(app)s in the %(room)s room..." + # + # Subject to use to notify about multiple messages in multiple rooms. + #messages_in_room_and_others: "[%(app)s] You have messages on %(app)s in the %(room)s room and others..." + # + # Subject to use to notify about multiple messages from multiple persons in + # multiple rooms. This is similar to the setting above except it's used when + # the room in which the notification was triggered has no name. + #messages_from_person_and_others: "[%(app)s] You have messages on %(app)s from %(person)s and others..." + # + # Subject to use to notify about an invite to a room which has a name. + #invite_from_person_to_room: "[%(app)s] %(person)s has invited you to join the %(room)s room on %(app)s..." + # + # Subject to use to notify about an invite to a room which doesn't have a + # name. + #invite_from_person: "[%(app)s] %(person)s has invited you to chat on %(app)s..." + + # Subject for emails related to account administration. + # + # On top of the '%(app)s' placeholder, these one can use the + # '%(server_name)s' placeholder, which will be replaced by the value of the + # 'server_name' setting in your Synapse configuration. + # + # Subject to use when sending a password reset email. + #password_reset: "[%(server_name)s] Password reset" + # + # Subject to use when sending a verification email to assert an address's + # ownership. + #email_validation: "[%(server_name)s] Validate your email" + # Password providers allow homeserver administrators to integrate # their Synapse installation with existing authentication methods diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py index b1dc7ad50..a63acbdc6 100644 --- a/synapse/config/emailconfig.py +++ b/synapse/config/emailconfig.py @@ -22,6 +22,7 @@ import os from enum import Enum from typing import Optional +import attr import pkg_resources from ._base import Config, ConfigError @@ -32,6 +33,33 @@ Password reset emails are enabled on this homeserver due to a partial %s """ +DEFAULT_SUBJECTS = { + "message_from_person_in_room": "[%(app)s] You have a message on %(app)s from %(person)s in the %(room)s room...", + "message_from_person": "[%(app)s] You have a message on %(app)s from %(person)s...", + "messages_from_person": "[%(app)s] You have messages on %(app)s from %(person)s...", + "messages_in_room": "[%(app)s] You have messages on %(app)s in the %(room)s room...", + "messages_in_room_and_others": "[%(app)s] You have messages on %(app)s in the %(room)s room and others...", + "messages_from_person_and_others": "[%(app)s] You have messages on %(app)s from %(person)s and others...", + "invite_from_person": "[%(app)s] %(person)s has invited you to chat on %(app)s...", + "invite_from_person_to_room": "[%(app)s] %(person)s has invited you to join the %(room)s room on %(app)s...", + "password_reset": "[%(server_name)s] Password reset", + "email_validation": "[%(server_name)s] Validate your email", +} + + +@attr.s +class EmailSubjectConfig: + message_from_person_in_room = attr.ib(type=str) + message_from_person = attr.ib(type=str) + messages_from_person = attr.ib(type=str) + messages_in_room = attr.ib(type=str) + messages_in_room_and_others = attr.ib(type=str) + messages_from_person_and_others = attr.ib(type=str) + invite_from_person = attr.ib(type=str) + invite_from_person_to_room = attr.ib(type=str) + password_reset = attr.ib(type=str) + email_validation = attr.ib(type=str) + class EmailConfig(Config): section = "email" @@ -294,8 +322,17 @@ class EmailConfig(Config): if not os.path.isfile(p): raise ConfigError("Unable to find email template file %s" % (p,)) + subjects_config = email_config.get("subjects", {}) + subjects = {} + + for key, default in DEFAULT_SUBJECTS.items(): + subjects[key] = subjects_config.get(key, default) + + self.email_subjects = EmailSubjectConfig(**subjects) + def generate_config_section(self, config_dir_path, server_name, **kwargs): - return """\ + return ( + """\ # Configuration for sending emails from Synapse. # email: @@ -323,17 +360,17 @@ class EmailConfig(Config): # notif_from defines the "From" address to use when sending emails. # It must be set if email sending is enabled. # - # The placeholder '%(app)s' will be replaced by the application name, + # The placeholder '%%(app)s' will be replaced by the application name, # which is normally 'app_name' (below), but may be overridden by the # Matrix client application. # - # Note that the placeholder must be written '%(app)s', including the + # Note that the placeholder must be written '%%(app)s', including the # trailing 's'. # - #notif_from: "Your Friendly %(app)s homeserver " + #notif_from: "Your Friendly %%(app)s homeserver " - # app_name defines the default value for '%(app)s' in notif_from. It - # defaults to 'Matrix'. + # app_name defines the default value for '%%(app)s' in notif_from and email + # subjects. It defaults to 'Matrix'. # #app_name: my_branded_matrix_server @@ -401,7 +438,76 @@ class EmailConfig(Config): # https://github.com/matrix-org/synapse/tree/master/synapse/res/templates # #template_dir: "res/templates" + + # Subjects to use when sending emails from Synapse. + # + # The placeholder '%%(app)s' will be replaced with the value of the 'app_name' + # setting above, or by a value dictated by the Matrix client application. + # + # If a subject isn't overridden in this configuration file, the value used as + # its example will be used. + # + #subjects: + + # Subjects for notification emails. + # + # On top of the '%%(app)s' placeholder, these can use the following + # placeholders: + # + # * '%%(person)s', which will be replaced by the display name of the user(s) + # that sent the message(s), e.g. "Alice and Bob". + # * '%%(room)s', which will be replaced by the name of the room the + # message(s) have been sent to, e.g. "My super room". + # + # See the example provided for each setting to see which placeholder can be + # used and how to use them. + # + # Subject to use to notify about one message from one or more user(s) in a + # room which has a name. + #message_from_person_in_room: "%(message_from_person_in_room)s" + # + # Subject to use to notify about one message from one or more user(s) in a + # room which doesn't have a name. + #message_from_person: "%(message_from_person)s" + # + # Subject to use to notify about multiple messages from one or more users in + # a room which doesn't have a name. + #messages_from_person: "%(messages_from_person)s" + # + # Subject to use to notify about multiple messages in a room which has a + # name. + #messages_in_room: "%(messages_in_room)s" + # + # Subject to use to notify about multiple messages in multiple rooms. + #messages_in_room_and_others: "%(messages_in_room_and_others)s" + # + # Subject to use to notify about multiple messages from multiple persons in + # multiple rooms. This is similar to the setting above except it's used when + # the room in which the notification was triggered has no name. + #messages_from_person_and_others: "%(messages_from_person_and_others)s" + # + # Subject to use to notify about an invite to a room which has a name. + #invite_from_person_to_room: "%(invite_from_person_to_room)s" + # + # Subject to use to notify about an invite to a room which doesn't have a + # name. + #invite_from_person: "%(invite_from_person)s" + + # Subject for emails related to account administration. + # + # On top of the '%%(app)s' placeholder, these one can use the + # '%%(server_name)s' placeholder, which will be replaced by the value of the + # 'server_name' setting in your Synapse configuration. + # + # Subject to use when sending a password reset email. + #password_reset: "%(password_reset)s" + # + # Subject to use when sending a verification email to assert an address's + # ownership. + #email_validation: "%(email_validation)s" """ + % DEFAULT_SUBJECTS + ) class ThreepidBehaviour(Enum): diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index a10dba0af..af117fddf 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -27,6 +27,7 @@ import jinja2 from synapse.api.constants import EventTypes from synapse.api.errors import StoreError +from synapse.config.emailconfig import EmailSubjectConfig from synapse.logging.context import make_deferred_yieldable from synapse.push.presentable_names import ( calculate_room_name, @@ -42,23 +43,6 @@ logger = logging.getLogger(__name__) T = TypeVar("T") -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 @@ -121,6 +105,7 @@ class Mailer(object): self.state_handler = self.hs.get_state_handler() self.storage = hs.get_storage() self.app_name = app_name + self.email_subjects = hs.config.email_subjects # type: EmailSubjectConfig logger.info("Created Mailer for app_name %s" % app_name) @@ -147,7 +132,8 @@ class Mailer(object): await self.send_email( email_address, - "[%s] Password Reset" % self.hs.config.server_name, + self.email_subjects.password_reset + % {"server_name": self.hs.config.server_name}, template_vars, ) @@ -174,7 +160,8 @@ class Mailer(object): await self.send_email( email_address, - "[%s] Register your Email Address" % self.hs.config.server_name, + self.email_subjects.email_validation + % {"server_name": self.hs.config.server_name}, template_vars, ) @@ -202,7 +189,8 @@ class Mailer(object): await self.send_email( email_address, - "[%s] Validate Your Email" % self.hs.config.server_name, + self.email_subjects.email_validation + % {"server_name": self.hs.config.server_name}, template_vars, ) @@ -273,9 +261,7 @@ class Mailer(object): "reason": reason, } - await self.send_email( - email_address, "[%s] %s" % (self.app_name, summary_text), template_vars - ) + await self.send_email(email_address, summary_text, template_vars) async def send_email(self, email_address, subject, extra_template_vars): """Send an email with the given information and template text""" @@ -482,12 +468,12 @@ class Mailer(object): inviter_name = name_from_member_event(inviter_member_event) if room_name is None: - return INVITE_FROM_PERSON % { + return self.email_subjects.invite_from_person % { "person": inviter_name, "app": self.app_name, } else: - return INVITE_FROM_PERSON_TO_ROOM % { + return self.email_subjects.invite_from_person_to_room % { "person": inviter_name, "room": room_name, "app": self.app_name, @@ -505,13 +491,13 @@ class Mailer(object): 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 % { + return self.email_subjects.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 % { + return self.email_subjects.message_from_person % { "person": sender_name, "app": self.app_name, } @@ -519,7 +505,10 @@ class Mailer(object): # 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} + return self.email_subjects.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" @@ -537,7 +526,7 @@ class Mailer(object): ] ) - return MESSAGES_FROM_PERSON % { + return self.email_subjects.messages_from_person % { "person": descriptor_from_member_events(member_events.values()), "app": self.app_name, } @@ -546,7 +535,7 @@ class Mailer(object): # ...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 % { + return self.email_subjects.messages_in_room_and_others % { "room": reason["room_name"], "app": self.app_name, } @@ -566,7 +555,7 @@ class Mailer(object): [room_state_ids[room_id][("m.room.member", s)] for s in sender_ids] ) - return MESSAGES_FROM_PERSON_AND_OTHERS % { + return self.email_subjects.messages_from_person_and_others % { "person": descriptor_from_member_events(member_events.values()), "app": self.app_name, }