mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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99 lines
3.4 KiB
Python
99 lines
3.4 KiB
Python
# Copyright 2021 The Matrix.org C.I.C. Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import email.utils
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import logging
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from typing import TYPE_CHECKING
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from synapse.logging.context import make_deferred_yieldable
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class SendEmailHandler:
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def __init__(self, hs: "HomeServer"):
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self.hs = hs
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self._sendmail = hs.get_sendmail()
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self._reactor = hs.get_reactor()
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self._from = hs.config.email.email_notif_from
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self._smtp_host = hs.config.email.email_smtp_host
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self._smtp_port = hs.config.email.email_smtp_port
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self._smtp_user = hs.config.email.email_smtp_user
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self._smtp_pass = hs.config.email.email_smtp_pass
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self._require_transport_security = hs.config.email.require_transport_security
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async def send_email(
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self,
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email_address: str,
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subject: str,
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app_name: str,
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html: str,
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text: str,
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) -> None:
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"""Send a multipart email with the given information.
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Args:
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email_address: The address to send the email to.
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subject: The email's subject.
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app_name: The app name to include in the From header.
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html: The HTML content to include in the email.
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text: The plain text content to include in the email.
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"""
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try:
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from_string = self._from % {"app": app_name}
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except (KeyError, TypeError):
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from_string = self._from
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raw_from = email.utils.parseaddr(from_string)[1]
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raw_to = email.utils.parseaddr(email_address)[1]
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if raw_to == "":
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raise RuntimeError("Invalid 'to' address")
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html_part = MIMEText(html, "html", "utf8")
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text_part = MIMEText(text, "plain", "utf8")
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multipart_msg = MIMEMultipart("alternative")
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multipart_msg["Subject"] = subject
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multipart_msg["From"] = from_string
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multipart_msg["To"] = email_address
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multipart_msg["Date"] = email.utils.formatdate()
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multipart_msg["Message-ID"] = email.utils.make_msgid()
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multipart_msg.attach(text_part)
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multipart_msg.attach(html_part)
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logger.info("Sending email to %s" % email_address)
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await make_deferred_yieldable(
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self._sendmail(
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self._smtp_host,
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raw_from,
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raw_to,
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multipart_msg.as_string().encode("utf8"),
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reactor=self._reactor,
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port=self._smtp_port,
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requireAuthentication=self._smtp_user is not None,
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username=self._smtp_user,
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password=self._smtp_pass,
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requireTransportSecurity=self._require_transport_security,
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)
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)
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