--- a/mail.py Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,154 +0,0 @@
-# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb 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 Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-"""Common utilies to format / send emails."""
-
-__docformat__ = "restructuredtext en"
-
-from base64 import b64encode, b64decode
-from time import time
-from email.mime.multipart import MIMEMultipart
-from email.mime.text import MIMEText
-from email.mime.image import MIMEImage
-from email.header import Header
-from email.utils import formatdate
-from socket import gethostname
-
-from six import PY2, PY3, text_type
-
-
-def header(ustring):
- if PY3:
- return Header(ustring, 'utf-8')
- return Header(ustring.encode('UTF-8'), 'UTF-8')
-
-def addrheader(uaddr, uname=None):
- # even if an email address should be ascii, encode it using utf8 since
- # automatic tests may generate non ascii email address
- if PY2:
- addr = uaddr.encode('UTF-8')
- else:
- addr = uaddr
- if uname:
- val = '%s <%s>' % (header(uname).encode(), addr)
- else:
- val = addr
- assert isinstance(val, str) # bytes in py2, ascii-encoded unicode in py3
- return val
-
-
-def construct_message_id(appid, eid, withtimestamp=True):
- if withtimestamp:
- addrpart = 'eid=%s×tamp=%.10f' % (eid, time())
- else:
- addrpart = 'eid=%s' % eid
- # we don't want any equal sign nor trailing newlines
- leftpart = b64encode(addrpart.encode('ascii'), b'.-').decode('ascii').rstrip().rstrip('=')
- return '<%s@%s.%s>' % (leftpart, appid, gethostname())
-
-
-def parse_message_id(msgid, appid):
- if msgid[0] == '<':
- msgid = msgid[1:]
- if msgid[-1] == '>':
- msgid = msgid[:-1]
- try:
- values, qualif = msgid.split('@')
- padding = len(values) % 4
- values = b64decode(str(values + '='*padding), '.-').decode('ascii')
- values = dict(v.split('=') for v in values.split('&'))
- fromappid, host = qualif.split('.', 1)
- except Exception:
- return None
- if appid != fromappid or host != gethostname():
- return None
- return values
-
-
-def format_mail(uinfo, to_addrs, content, subject="",
- cc_addrs=(), msgid=None, references=(), config=None):
- """Sends an Email to 'e_addr' with content 'content', and subject 'subject'
-
- to_addrs and cc_addrs are expected to be a list of email address without
- name
- """
- assert isinstance(content, text_type), repr(content)
- msg = MIMEText(content.encode('UTF-8'), 'plain', 'UTF-8')
- # safety: keep only the first newline
- try:
- subject = subject.splitlines()[0]
- msg['Subject'] = header(subject)
- except IndexError:
- pass # no subject
- if uinfo.get('email'):
- email = uinfo['email']
- elif config and config['sender-addr']:
- email = text_type(config['sender-addr'])
- else:
- email = u''
- if uinfo.get('name'):
- name = uinfo['name']
- elif config and config['sender-name']:
- name = text_type(config['sender-name'])
- else:
- name = u''
- msg['From'] = addrheader(email, name)
- if config and config['sender-addr'] and config['sender-addr'] != email:
- appaddr = addrheader(config['sender-addr'], config['sender-name'])
- msg['Reply-to'] = '%s, %s' % (msg['From'], appaddr)
- elif email:
- msg['Reply-to'] = msg['From']
- if config is not None:
- msg['X-CW'] = config.appid
- unique_addrs = lambda addrs: sorted(set(addr for addr in addrs if addr is not None))
- msg['To'] = ', '.join(addrheader(addr) for addr in unique_addrs(to_addrs))
- if cc_addrs:
- msg['Cc'] = ', '.join(addrheader(addr) for addr in unique_addrs(cc_addrs))
- if msgid:
- msg['Message-id'] = msgid
- if references:
- msg['References'] = ', '.join(references)
- msg['Date'] = formatdate()
- return msg
-
-
-class HtmlEmail(MIMEMultipart):
-
- def __init__(self, subject, textcontent, htmlcontent,
- sendermail=None, sendername=None, recipients=None, ccrecipients=None):
- MIMEMultipart.__init__(self, 'related')
- self['Subject'] = header(subject)
- self.preamble = 'This is a multi-part message in MIME format.'
- # Attach alternative text message
- alternative = MIMEMultipart('alternative')
- self.attach(alternative)
- msgtext = MIMEText(textcontent.encode('UTF-8'), 'plain', 'UTF-8')
- alternative.attach(msgtext)
- # Attach html message
- msghtml = MIMEText(htmlcontent.encode('UTF-8'), 'html', 'UTF-8')
- alternative.attach(msghtml)
- if sendermail or sendername:
- self['From'] = addrheader(sendermail, sendername)
- if recipients:
- self['To'] = ', '.join(addrheader(addr) for addr in recipients if addr is not None)
- if ccrecipients:
- self['Cc'] = ', '.join(addrheader(addr) for addr in ccrecipients if addr is not None)
-
- def attach_image(self, data, htmlId):
- image = MIMEImage(data)
- image.add_header('Content-ID', '<%s>' % htmlId)
- self.attach(image)