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jumpserver/apps/common/tasks.py

111 lines
3.6 KiB

import os
import jms_storage
from celery import shared_task
from django.conf import settings
from django.core.mail import send_mail, EmailMultiAlternatives, get_connection
from django.utils.translation import gettext_lazy as _
from .utils import get_logger
logger = get_logger(__file__)
def get_email_connection(**kwargs):
email_backend_map = {
'smtp': 'django.core.mail.backends.smtp.EmailBackend',
'exchange': 'jumpserver.rewriting.exchange.EmailBackend'
}
return get_connection(
backend=email_backend_map.get(settings.EMAIL_PROTOCOL), **kwargs
)
def task_activity_callback(self, subject, message, recipient_list, *args, **kwargs):
from users.models import User
email_list = recipient_list
resource_ids = list(User.objects.filter(email__in=email_list).values_list('id', flat=True))
return resource_ids,
@shared_task(
verbose_name=_("Send email"),
activity_callback=task_activity_callback,
description=_(
"This task will be executed when sending email notifications"
)
)
def send_mail_async(*args, **kwargs):
""" Using celery to send email async
You can use it as django send_mail function
Example:
send_mail_sync.delay(subject, message, from_mail, recipient_list, fail_silently=False, html_message=None)
Also, you can ignore the from_mail, unlike django send_mail, from_email is not a required args:
Example:
send_mail_sync.delay(subject, message, recipient_list, fail_silently=False, html_message=None)
"""
if len(args) == 3:
args = list(args)
args[0] = (settings.EMAIL_SUBJECT_PREFIX or '') + args[0]
from_email = settings.EMAIL_FROM or settings.EMAIL_HOST_USER
args.insert(2, from_email)
args = tuple(args)
try:
return send_mail(connection=get_email_connection(), *args, **kwargs)
except Exception as e:
logger.error("Sending mail error: {}".format(e))
@shared_task(
verbose_name=_("Send email attachment"),
activity_callback=task_activity_callback,
description=_(
"""When an account password is changed or an account backup generates attachments,
this task needs to be executed for sending emails and handling attachments"""
)
)
def send_mail_attachment_async(subject, message, recipient_list, attachment_list=None):
if attachment_list is None:
attachment_list = []
from_email = settings.EMAIL_FROM or settings.EMAIL_HOST_USER
subject = (settings.EMAIL_SUBJECT_PREFIX or '') + subject
email = EmailMultiAlternatives(
subject=subject,
body=message,
from_email=from_email,
to=recipient_list,
connection=get_email_connection(),
)
for attachment in attachment_list:
email.attach_file(attachment)
os.remove(attachment)
try:
return email.send()
except Exception as e:
logger.error("Sending mail attachment error: {}".format(e))
@shared_task(
verbose_name=_('Upload account backup to external storage'),
description=_(
"When performing an account backup, this task needs to be executed to external storage (SFTP)"
)
)
def upload_backup_to_obj_storage(recipient, upload_file):
logger.info(f'Start upload file : {upload_file}')
remote_path = os.path.join('account_backup', os.path.basename(upload_file))
storage = jms_storage.get_object_storage(recipient.config)
ok, err = storage.upload(src=upload_file, target=remote_path)
if not ok:
logger.error(f'upload {upload_file} failed, error: {err}')
return
try:
os.remove(upload_file)
except Exception as e:
print(f'remove upload file : {upload_file} error: {e}')