def create_mail(subject,
message,
from_email,
recipient,
message_html=None,
attachments=None,
rfc2822_headers=None):
headers = {'Message-ID': make_msgid()}
if rfc2822_headers:
headers.update(rfc2822_headers)
if message is None: # make text version out of html if text version is missing
message = html2text(message_html)
if message_html:
msg = EmailMultiAlternatives(subject,
message,
from_email, [recipient],
headers=headers)
msg.attach_alternative(message_html, "text/html")
else:
msg = EmailMessage(subject,
message,
from_email, [recipient],
headers=headers)
if attachments:
for filename, content, mimetype in attachments:
msg.attach(filename, content, mimetype)
return msg
def form_valid(self, form, **kwargs):
email = form.cleaned_data['email']
name = form.cleaned_data['name']
from_email = '"{}" <{}>'.format(name, email)
reply_to = from_email
to_email = [settings.HELPDESK_ADDRESS]
headers = {'Reply-To': reply_to,
'Message-Id': make_msgid()}
# do spam checks, assignment email, cc_asker
if form.cleaned_data['author']:
return self.handle_spam(form, from_email, headers)
if settings.ENABLE_HELPDESKQ:
self.handle_assignment(form,
headers=headers,
message_id=headers.get('Message-Id', None))
if settings.HELPDESK_CC_ASKER:
self.handle_confirmation(form, from_email)
return super(HelpdeskEmailerView, self).form_valid(
form,
from_email=from_email,
to_email=to_email,
headers=headers,
**kwargs)
def emailimage_media(context, image):
if not context.get('render_mail', False):
return default_storage.url(image)
if 'attachments' not in context:
context['attachments'] = {}
key = "media:" + image
if key not in context['attachments']:
path = default_storage.path(image)
if path is not None:
with open(path, 'rb') as fh:
image_data = fh.read()
else:
return "" # not found!
image_cid = make_msgid('img')
mime = MIMEImage(image_data)
mime.add_header('Content-ID', image_cid)
context['attachments'][key] = (mime, image_cid[1:-1])
return "cid:{}".format(context['attachments'][key][1])
def deliver(subject, message, from_email, recipient_list, message_html=None, attachments= None, callback=None, **kwargs):
"""
send email to recipient list (filter them through settings.EMAIL_WHITELIST if exists),
puts messages to send into celery queue
returns a list of (msgid, rawmessage) for each messages to be sent
if callback is set to a celery task:
it will be called on every single recipient delivery with callback(msgid, status)
"""
# make a list if only one recipient (and therefore string) is there
if isinstance(recipient_list, basestring):
recipient_list = [recipient_list]
# filter out recipients which are not in the whitelist
mylist = set(recipient_list)
bad = None
if hasattr(settings, "EMAIL_WHITELIST") and settings.EMAIL_WHITELIST:
bad = set([x for x in recipient_list if x not in settings.EMAIL_WHITELIST])
if bad:
logger = logging.getLogger()
logger.warning('BAD EMAILS: %s are bad out of %s' % (str(bad), str(mylist)))
recipient_list = list(mylist - bad)
sentids = []
for recipient in recipient_list:
msgid = make_msgid()
msg = create_mail(subject, message, from_email, recipient, message_html, attachments, msgid)
queued_mail_send.apply_async(args=[msgid, msg, from_email, recipient, callback], countdown=3)
#queued_mail_send(msgid, msg, from_email, recipient, callback)
sentids += [[msgid, msg.message()]]
return sentids
def test_embedded_images(self):
image_data = self.sample_image_content() # Read from a png file
image_cid = make_msgid(
"img") # Content ID per RFC 2045 section 7 (with <...>)
image_cid_no_brackets = image_cid[
1:-1] # Without <...>, for use as the <img> tag src
text_content = 'This has an inline image.'
html_content = '<p>This has an <img src="cid:%s" alt="inline" /> image.</p>' % image_cid_no_brackets
email = mail.EmailMultiAlternatives('Subject', text_content,
'*****@*****.**',
['*****@*****.**'])
email.attach_alternative(html_content, "text/html")
image = MIMEImage(image_data)
image.add_header('Content-ID', image_cid)
email.attach(image)
email.send()
data = self.get_api_call_data()
self.assertEqual(data['message']['text'], text_content)
self.assertEqual(data['message']['html'], html_content)
self.assertEqual(len(data['message']['images']), 1)
self.assertEqual(data['message']['images'][0]["type"], "image/png")
self.assertEqual(data['message']['images'][0]["name"], image_cid)
self.assertEqual(decode_att(data['message']['images'][0]["content"]),
image_data)
# Make sure neither the html nor the inline image is treated as an attachment:
self.assertFalse('attachments' in data['message'])
def emailimage_static(context, image):
if not context.get('render_mail', False):
t = template.Template(r"{% load staticfiles %}{% static '" + image +
"' %}")
return t.render(context)
if 'attachments' not in context:
context['attachments'] = {}
key = "static:" + image
if key not in context['attachments']:
path = finders.find(image)
if path is not None:
with open(path, 'rb') as fh:
image_data = fh.read()
else:
return "" # not found!
image_cid = make_msgid('img')
mime = MIMEImage(image_data)
mime.add_header('Content-ID', image_cid)
context['attachments'][key] = (mime, image_cid[1:-1])
return "cid:{}".format(context['attachments'][key][1])
def attach_inline_image(message, content, filename=None, subtype=None, idstring="img", domain=None):
"""Add inline image to an EmailMessage, and return its content id"""
content_id = make_msgid(idstring, domain) # Content ID per RFC 2045 section 7 (with <...>)
image = MIMEImage(content, subtype)
image.add_header('Content-Disposition', 'inline', filename=filename)
image.add_header('Content-ID', content_id)
message.attach(image)
return unquote(content_id) # Without <...>, for use as the <img> tag src
def make_message_id(self):
"""Returns a Message-ID that could be used for this payload
Tries to use the from_email's domain as the Message-ID's domain
"""
try:
_, domain = self.data["from"].split("@")
except (AttributeError, KeyError, TypeError, ValueError):
domain = None
return make_msgid(domain=domain)
def make_message_id(self):
"""Returns a Message-ID that could be used for this payload
Tries to use the from_email's domain as the Message-ID's domain
"""
try:
_, domain = self.data["from"]["email"].split("@")
except (AttributeError, KeyError, TypeError, ValueError):
domain = None
return make_msgid(domain=domain)
def attach_inline_image(message, content, filename=None, subtype=None, idstring="img", domain=None):
"""Add inline image to an EmailMessage, and return its content id"""
if domain is None:
# Avoid defaulting to hostname that might end in '.com', because some ESPs
# use Content-ID as filename, and Gmail blocks filenames ending in '.com'.
domain = 'inline' # valid domain for a msgid; will never be a real TLD
content_id = make_msgid(idstring, domain) # Content ID per RFC 2045 section 7 (with <...>)
image = MIMEImage(content, subtype)
image.add_header('Content-Disposition', 'inline', filename=filename)
image.add_header('Content-ID', content_id)
message.attach(image)
return unquote(content_id) # Without <...>, for use as the <img> tag src
def _embed_images(template, images, test=False):
for image in images:
src_attr = 'src="cid:{}"'.format(image.placeholder_name)
if test:
replace_src = 'src="{}"'.format(image.image.url)
else:
if not len(image.content_id):
image.content_id = make_msgid(image.placeholder_name)
image.save()
replace_src = 'src="cid:{}"'.format(image.content_id[1:-1])
template = template.replace(src_attr, replace_src)
return template
def receive(self, subject, message, from_email, recipient_list, message_html=None, attachments=None, connecting_host="localhost"):
''' Fakes an incoming message trough ecsmail server '''
if isinstance(recipient_list, basestring):
recipient_list = [recipient_list]
sentids = []
for recipient in recipient_list:
msgid = make_msgid()
msg = create_mail(subject, message, from_email, recipient, message_html, attachments, msgid)
self.logger.debug("Receiving Mail from %s to %s, message= %s" % (from_email, recipient, str(msg.message())))
routing.Router.deliver(MailRequest(connecting_host, from_email, recipient, str(msg.message())))
sentids += [[msgid, msg.message()]]
return sentids
def send_out_email(self):
lv = self.latest_version()
msg_id = getattr(self, 'message_id', None)
if not msg_id:
msg_id = make_msgid()
self.message_id = msg_id
self.save()
print "New msgid '%s' added to %s." % (msg_id, self)
parent = lv.parent
parent_msg_id = None
if parent:
parent_msg_id = getattr(parent, 'message_id', None)
author_full_name = lv.author.get_full_name()
author_email = lv.author.email
author = "%s <%s>" % (author_full_name, author_email)
heap = self.get_heap()
recipients = [user['email'] for user in heap.user_fields.values()]
print "Emails will be sent out to:"
for to in recipients:
print to
msg_subject = self.get_conversation().subject
# tags =
body = self.latest_version().text
if hasattr(settings, 'HEAP_EMAIL_DOMAIN'):
reply_address = heap.short_name + '@' + settings.HEAP_EMAIL_DOMAIN
else:
reply_address = settings.EMAIL_HOST_USER
extra_headers = {'Reply-To': reply_address, 'From': author}
if msg_id:
extra_headers['Message-ID'] = msg_id
if parent_msg_id:
extra_headers['In-Reply-To'] = parent_msg_id
# TODO use a meaningful sender address!
email = EmailMessage(msg_subject,
body,
settings.EMAIL_HOST_USER,
recipients,
None,
headers=extra_headers)
email.send()
def test_answer_timeout_recipient(self):
old_timestamp = self.last_message.timestamp
recipient = self.last_message.return_address
self.last_message.timestamp = timezone.now() - timedelta(
days=EcsMailReceiver.ANSWER_TIMEOUT+ 1)
self.last_message.save()
msgid = make_msgid()
msg = MIMEText('This is a test reply.')
msg['From'] = 'Bob <*****@*****.**>'
msg['To'] = 'Alice <{}>'.format(recipient)
msg['Message-ID'] = msgid
self.assertEqual(EcsMailReceiver.ANSWER_TIMEOUT, 365)
code, description = self.process_message([recipient], msg)
self.assertEqual(code, 553)
self.assertEqual(description, 'Invalid recipient <{}>'.format(recipient))
def send_out_email(self):
lv = self.latest_version()
msg_id = getattr(self, 'message_id', None)
if not msg_id:
msg_id = make_msgid()
self.message_id = msg_id
self.save()
print "New msgid '%s' added to %s." % (msg_id, self)
parent = lv.parent
parent_msg_id = None
if parent:
parent_msg_id = getattr(parent, 'message_id', None)
author_full_name = lv.author.get_full_name()
author_email = lv.author.email
author = "%s <%s>" % (author_full_name, author_email)
heap = self.get_heap()
recipients = [user['email'] for user in heap.user_fields.values()]
print "Emails will be sent out to:"
for to in recipients:
print to
msg_subject = self.get_conversation().subject
# tags =
body = self.latest_version().text
if hasattr(settings, 'HEAP_EMAIL_DOMAIN'):
reply_address = heap.short_name + '@' + settings.HEAP_EMAIL_DOMAIN
else:
reply_address = settings.EMAIL_HOST_USER
extra_headers = {'Reply-To': reply_address, 'From': author}
if msg_id:
extra_headers['Message-ID'] = msg_id
if parent_msg_id:
extra_headers['In-Reply-To'] = parent_msg_id
# TODO use a meaningful sender address!
email = EmailMessage(msg_subject, body, settings.EMAIL_HOST_USER,
recipients, None,
headers=extra_headers)
email.send()
def form_valid(self, form, **kwargs):
email = form.cleaned_data['email']
name = form.cleaned_data['name']
from_email = '"{}" <{}>'.format(name, email)
reply_to = from_email
headers = {'Reply-To': reply_to,
'Message-Id': make_msgid()}
if self.check_spam and form.cleaned_data['author']:
return self.handle_spam(form, from_email, headers)
return super(CompanyEmailerView, self).form_valid(
form,
to_email=[settings.INDREL_ADDRESS],
**kwargs)
def test_plain(self):
recipient = self.last_message.return_address
msgid = make_msgid()
msg = MIMEText('This is a test reply.')
msg['From'] = 'Bob <*****@*****.**>'
msg['To'] = 'Alice <{}>'.format(recipient)
msg['Message-ID'] = msgid
code, description = self.process_message([recipient], msg)
self.assertEqual(code, 250)
self.assertEqual(description, 'Ok')
self.assertEqual(self.thread.messages.count(), 2)
reply = self.thread.messages.get(rawmsg_msgid=msgid)
self.assertEqual(reply.text, 'This is a test reply.')
self.assertEqual(reply.sender, self.bob)
self.assertEqual(reply.receiver, self.alice)
def message(self):
"""
Returns a email.message.Message object. The object is based on original_message if
original_message is not None.
"""
if self.original_message is None:
result_message = super().message()
else:
msg = self._create_message(self.original_message)
# Remove managed header from message
for key in self.manage_headers:
if key in msg:
del msg[key]
msg['To'] = ', '.join(self.to) or self.extra_headers.get('to', '')
msg['Cc'] = ', '.join(self.cc) or self.extra_headers.get('cc', '')
msg['Bcc'] = ', '.join(self.bcc) or self.extra_headers.get('bcc', '')
msg['From'] = self.from_email or self.extra_headers.get('from', '')
msg['Reply-To'] = ', '.join(self.reply_to) or self.extra_headers.get('reply-to', '')
msg['Subject'] = self.subject or self.extra_headers.get('subject', '*** No Subject ***')
# Check for missing headers
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
# Set extra headers
for name, value in self.extra_headers.items():
if name.lower() in self.manage_headers:
continue
if name.lower() in msg:
del msg[name]
msg[name] = value
if self.body is not None:
log.warning('The message method constructed a email.message.Message based on '
'original_message. The content of body is lost!')
result_message = msg
return result_message
def inline_images(message, html):
"""Given HTML with inline data images, convert these to attachments,
and add HTML as an alternative
"""
images = re.findall(r'<img.*?src="data:image/png;base64,.*?">', html)
for i, image_tag in enumerate(images):
filename = "img{}.png".format(i)
data = re.findall(r'<img.*?src="data:image/png;base64,(.*?)">',
image_tag)[0]
content_id = make_msgid(
"img") # Content ID per RFC 2045 section 7 (with <...>)
image = MIMEImage(data, "png", _encoder=lambda x: x)
image.add_header("Content-Disposition", "inline", filename=filename)
image.add_header("Content-ID", content_id)
image.add_header("Content-Transfer-Encoding", "base64")
message.attach(image)
html = html.replace(image_tag,
'<img src="cid:{}">'.format(unquote(content_id)))
message.attach_alternative(html, "text/html")
return message
def create_mail(subject, message, from_email, recipient, message_html=None, attachments= None, msgid=None, **kwargs):
'''
'''
if msgid is None:
msgid = make_msgid()
headers = {'Message-ID': msgid}
if message is None: # make text version out of html if text version is missing
message = whitewash(message_html)
if message and message_html:
msg = EmailMultiAlternatives(subject, message, from_email, [recipient], headers= headers)
msg.attach_alternative(message_html, "text/html")
else:
msg = EmailMessage(subject, message, from_email, [recipient], headers= headers)
if attachments:
for attachment in attachments:
filename = content = mimetype = encoding = None
if isinstance(attachment, tuple) or isinstance(attachment, list):
filename, content = attachment[0:2]
if len(attachment) == 3:
mimetype = attachment[2]
else:
mimetype, encoding = mimetypes.guess_type(filename)
elif isinstance(attachment, basestring):
filename = attachment
if not os.path.exists(filename):
raise IOError("attachment file not found %s" % filename)
mimetype, encoding = mimetypes.guess_type(filename)
content = open(filename, "rb").read()
else:
raise TypeError('dont know how to handle attachment from type %s' % (str(type(attachment))))
if not mimetype:
raise TypeError("No content type given, and couldn't guess from the filename: %s" % filename)
msg.attach(filename, content, mimetype)
return msg
def message(self):
if len(self.to) == 1:
carrier = get_carrier_by_email_address(self.to[0]) or 'N'
else:
# TODO
carrier = 'N'
msg = make_message(carrier,
smart_unicode(self.subject),
smart_unicode(self.body),
errors=self.errors)
msg['From'] = self.from_email
msg['To'] = ', '.join(self.to)
msg['Date'] = formatdate()
msg['Message-ID'] = make_msgid()
if self.bcc:
msg['Bcc'] = ', '.join(self.bcc)
for name, value in self.extra_headers.items():
msg[name] = value
return msg
def send_mail(self):
"""Send event request email generated using form data."""
template = get_template('email/event.txt')
context = self.cleaned_data
email = template.render(context)
subject, body = email.split("\n", 1)
from_email = settings.EVENT_EMAIL
to_email = self.cleaned_data['email']
message_id = make_msgid()
email = EmailMessage(subject, body, from_email, [to_email, from_email],
headers={'Message-ID': message_id}
)
email.send()
event_url = self.tracker_event(context)
tracker_email = EmailMessage(subject, event_url, from_email, [from_email],
headers={'In-Reply-To': message_id})
tracker_email.send()
return self.cleaned_data
def message(self):
if len(self.to) == 1:
carrier = get_carrier_by_email_address(self.to[0]) or 'N'
else:
# TODO
carrier = 'N'
msg = make_message(carrier,
smart_unicode(self.subject),
smart_unicode(self.body),
errors=self.errors)
msg['From'] = self.from_email
msg['To'] = ', '.join(self.to)
msg['Date'] = formatdate()
msg['Message-ID'] = make_msgid()
if self.bcc:
msg['Bcc'] = ', '.join(self.bcc)
for name, value in self.extra_headers.items():
msg[name] = value
return msg
def send_mail(self):
"""Send event request email generated using form data."""
template = get_template('email/event.txt')
context = self.cleaned_data
email = template.render(context)
subject, body = email.split("\n", 1)
from_email = settings.EVENT_EMAIL
to_email = self.cleaned_data['email']
message_id = make_msgid()
email = EmailMessage(subject, body, from_email, [to_email, from_email],
headers={'Message-ID': message_id}
)
email.send()
event_url = self.tracker_event(context)
tracker_email = EmailMessage(subject, event_url, from_email, [from_email],
headers={'In-Reply-To': message_id})
tracker_email.send()
return self.cleaned_data
def test_mixed(self):
recipient = self.last_message.return_address
msgid = make_msgid()
msg = MIMEMultipart('alternative')
msg.attach(MIMEText('<html><body><p>HTML</p></body></html>', 'html'))
msg.attach(MIMEText('PLAIN', 'plain'))
msg['From'] = 'Bob <*****@*****.**>'
msg['To'] = 'Alice <{}>'.format(recipient)
msg['Message-ID'] = msgid
code, description = self.process_message([recipient], msg)
self.assertEqual(code, 250)
self.assertEqual(description, 'Ok')
self.assertEqual(self.thread.messages.count(), 2)
reply = self.thread.messages.get(rawmsg_msgid=msgid)
# When both HTML and plain text is available, the latter takes
# precedence.
self.assertEqual(reply.text, 'PLAIN')
self.assertEqual(reply.sender, self.bob)
self.assertEqual(reply.receiver, self.alice)
def test_embedded_images(self):
image_data = self.sample_image_content() # Read from a png file
image_cid = make_msgid("img") # Content ID per RFC 2045 section 7 (with <...>)
image_cid_no_brackets = image_cid[1:-1] # Without <...>, for use as the <img> tag src
text_content = 'This has an inline image.'
html_content = '<p>This has an <img src="cid:%s" alt="inline" /> image.</p>' % image_cid_no_brackets
email = mail.EmailMultiAlternatives('Subject', text_content, '*****@*****.**', ['*****@*****.**'])
email.attach_alternative(html_content, "text/html")
image = MIMEImage(image_data)
image.add_header('Content-ID', image_cid)
email.attach(image)
email.send()
data = self.get_api_call_data()
self.assertEqual(data['message']['text'], text_content)
self.assertEqual(data['message']['html'], html_content)
self.assertEqual(len(data['message']['images']), 1)
self.assertEqual(data['message']['images'][0]["type"], "image/png")
self.assertEqual(data['message']['images'][0]["name"], image_cid)
self.assertEqual(decode_att(data['message']['images'][0]["content"]), image_data)
# Make sure neither the html nor the inline image is treated as an attachment:
self.assertFalse('attachments' in data['message'])
def generate_cid(self):
self._content_id = make_msgid('img', self.domain)
def send_mass_mail_recorded(datatuple, mailbox, related_object=None, bcc=None,
fail_silently=False, auth_user=None, auth_password=None, connection=None):
"""
Shadows Django's send mass mail, but records each outgoing message to the
specified mailbox.
Also added optional bcc argument.
"""
connection = connection or get_connection(
username=auth_user, password=auth_password, fail_silently=fail_silently
)
messages = [EmailMessage(subject, message, sender, recipient, bcc, headers={'Message-ID': make_msgid()})
for subject, message, sender, recipient in datatuple]
record_messages(mailbox, messages, related_object)
return connection.send_messages(messages)
def send_mass_html_mail_recorded(datatuple, mailbox, related_object=None, bcc=None,
fail_silently=False, user=None, password=None, connection=None):
"""
Like above, but lets you send HTML emails.
"""
connection = connection or get_connection(
username=user, password=password, fail_silently=fail_silently
)
messages = []
for subject, text, html, from_email, recipient in datatuple:
message = EmailMultiAlternatives(subject, text, from_email, recipient, bcc, headers={'Message-ID': make_msgid()})
message.attach_alternative(html, 'text/html')
messages.append(message)
record_messages(mailbox, messages)
return connection.send_messages(messages)
def message(self):
"""
Returns the final message to be sent, including all headers etc. Content and attachments are encrypted using
GPG in PGP/MIME format (RFC 3156).
"""
def build_plain_message():
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
return msg
def build_version_attachment():
version_attachment = SafeMIMEText('Version: 1\n', self.content_subtype, encoding)
del version_attachment['Content-Type']
version_attachment.add_header('Content-Type', 'application/pgp-encrypted')
version_attachment.add_header('Content-Description', 'PGP/MIME Versions Identification')
return version_attachment
def build_gpg_attachment():
gpg_attachment = SafeMIMEText(encrypted_msg, self.content_subtype, encoding)
del gpg_attachment['Content-Type']
gpg_attachment.add_header('Content-Type', 'application/octet-stream', name=self.gpg_attachment_filename)
gpg_attachment.add_header('Content-Disposition', 'inline', filename=self.gpg_attachment_filename)
gpg_attachment.add_header('Content-Description', 'OpenPGP encrypted message')
return gpg_attachment
encoding = self.encoding or settings.DEFAULT_CHARSET
# build message including attachments as it would also be built without GPG
msg = build_plain_message()
# encrypt whole message including attachments
encrypted_msg = self._encrypt(str(msg))
# build new message object wrapping the encrypted message
msg = SafeMIMEMultipart(_subtype=self.encrypted_subtype,
encoding=encoding,
protocol='application/pgp-encrypted')
version_attachment = build_version_attachment()
gpg_attachment = build_gpg_attachment()
msg.attach(version_attachment)
msg.attach(gpg_attachment)
self.extra_headers['Content-Transfer-Encoding'] = '7bit'
# add headers
# everything below this line has not been modified when overriding message()
############################################################################
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def message(self):
"""
Returns the final message to be sent, including all headers etc. Content and attachments are encrypted using
GPG in PGP/MIME format (RFC 3156).
"""
def build_plain_message():
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
return msg
def build_version_attachment():
version_attachment = SafeMIMEText('Version: 1\n',
self.content_subtype, encoding)
del version_attachment['Content-Type']
version_attachment.add_header('Content-Type',
'application/pgp-encrypted')
version_attachment.add_header('Content-Description',
'PGP/MIME Versions Identification')
return version_attachment
def build_gpg_attachment():
gpg_attachment = SafeMIMEText(encrypted_msg, self.content_subtype,
encoding)
del gpg_attachment['Content-Type']
gpg_attachment.add_header('Content-Type',
'application/octet-stream',
name=self.gpg_attachment_filename)
gpg_attachment.add_header('Content-Disposition',
'inline',
filename=self.gpg_attachment_filename)
gpg_attachment.add_header('Content-Description',
'OpenPGP encrypted message')
return gpg_attachment
encoding = self.encoding or settings.DEFAULT_CHARSET
# build message including attachments as it would also be built without GPG
msg = build_plain_message()
# encrypt whole message including attachments
encrypted_msg = self._encrypt(str(msg))
# build new message object wrapping the encrypted message
msg = SafeMIMEMultipart(_subtype=self.encrypted_subtype,
encoding=encoding,
protocol='application/pgp-encrypted')
version_attachment = build_version_attachment()
gpg_attachment = build_gpg_attachment()
msg.attach(version_attachment)
msg.attach(gpg_attachment)
self.extra_headers['Content-Transfer-Encoding'] = '7bit'
# add headers
# everything below this line has not been modified when overriding message()
############################################################################
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To',
', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get(
'Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from',
'to'): # From and To are already handled
continue
msg[name] = value
return msg
def create_messageid(self, idstring=None):
idstring = idstring or utils.get_random_string(8)
return mail.make_msgid(idstring=idstring, domain=self.domain)