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Refs #34118 -- Used smtplib's context parameter instead of keyfile and certfile.

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keyfile and certfile parameters were removed in Python 3.12, see
ef0e72b31d
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Mariusz Felisiak 2022-11-16 11:30:59 +01:00 committed by GitHub
parent 67504ea505
commit 2848e5d0ce
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1 changed files with 10 additions and 9 deletions
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19
django/core/mail/backends/smtp.py
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@ -7,6 +7,7 @@ from django.conf import settings
from django.core.mail.backends.base import BaseEmailBackend
from django.core.mail.message import sanitize_address
from django.core.mail.utils import DNS_NAME
from django.utils.functional import cached_property
class EmailBackend(BaseEmailBackend):
@ -54,6 +55,13 @@ class EmailBackend(BaseEmailBackend):
def connection_class(self):
return smtplib.SMTP_SSL if self.use_ssl else smtplib.SMTP
@cached_property
def ssl_context(self):
ssl_context = ssl.SSLContext(protocol=ssl.PROTOCOL_TLS_CLIENT)
if self.ssl_certfile or self.ssl_keyfile:
ssl_context.load_cert_chain(self.ssl_certfile, self.ssl_keyfile)
return ssl_context
def open(self):
"""
Ensure an open connection to the email server. Return whether or not a
@ -70,12 +78,7 @@ class EmailBackend(BaseEmailBackend):
if self.timeout is not None:
connection_params["timeout"] = self.timeout
if self.use_ssl:
connection_params.update(
{
"keyfile": self.ssl_keyfile,
"certfile": self.ssl_certfile,
}
)
connection_params["context"] = self.ssl_context
try:
self.connection = self.connection_class(
self.host, self.port, **connection_params
@ -84,9 +87,7 @@ class EmailBackend(BaseEmailBackend):
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
if not self.use_ssl and self.use_tls:
self.connection.starttls(
keyfile=self.ssl_keyfile, certfile=self.ssl_certfile
)
self.connection.starttls(context=self.ssl_context)
if self.username and self.password:
self.connection.login(self.username, self.password)
return True