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# This file is part of rhizi, a collaborative knowledge graph editor.
# Copyright (C) 2014-2015 Rhizi
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from email import Encoders
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.utils import COMMASPACE, formatdate
from flask import current_app
import logging
from os.path import basename
import smtplib
log = logging.getLogger('rhizi')
def send_email(mta_host, mta_port, send_from, recipients, subject, attachments, body):
"""
Note: to allow for easy testing this function should not depend on any flask app/request context
@param attachments: is a list of tuples (filename, mimetype, data)
"""
assert isinstance(recipients, list)
msg = MIMEMultipart('utf-8')
msg['From'] = send_from
msg['To'] = COMMASPACE.join(recipients)
msg['Date'] = formatdate(localtime=True)
msg['Subject'] = subject
msg.attach(MIMEText(body, _charset='utf-8'))
for filename, mimetype, data in attachments:
maintype, subtype = mimetype.split('/')
part = MIMEBase(maintype, subtype)
part.set_payload(data)
Encoders.encode_base64(part)
part.add_header('Content-Disposition', 'attachment', filename=filename)
# Content_Disposition: attachment; filename="feedback_page.html"
msg.attach(part)
smtp = smtplib.SMTP(host=mta_host, port=mta_port)
smtp.sendmail(send_from, recipients, msg.as_string())
smtp.close()
def send_email__flask_ctx(recipients, subject, body, attachments=[]):
"""
Flask context dependent email sending utility
"""
send_from = current_app.rz_config.mail_default_sender
mta_host = current_app.rz_config.mta_host
mta_port = current_app.rz_config.mta_port
send_email(mta_host,
mta_port,
send_from=send_from,
recipients=recipients,
subject=subject,
attachments=attachments,
body=body)
log.info('email sent: recipients: %s: subject: %s, attachment-count: %d' % (recipients, subject, len(attachments)))
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