def _create_attachment(self, filename, content, mimetype=None):
"""
Converts the filename, content, mimetype triple into a MIME attachment
object. Use self.encoding when handling text attachments.
"""
if mimetype is None:
mimetype, _ = mimetypes.guess_type(filename)
if mimetype is None:
mimetype = constants.MIME_TYPE_EXCEL
basetype, subtype = mimetype.split('/', 1)
if basetype == 'text':
encoding = self.encoding or settings.DEFAULT_CHARSET
attachment = SafeMIMEText(
smart_str(content, settings.DEFAULT_CHARSET), subtype,
encoding)
else:
# Encode non-text attachments with base64.
attachment = MIMEBase(basetype, subtype)
attachment.set_payload(content)
encoders.encode_base64(attachment)
if filename:
try:
filename = filename.encode('ascii')
except UnicodeEncodeError:
filename = Header(filename, 'utf-8').encode()
attachment.add_header('Content-Disposition',
'attachment',
filename=filename)
return attachment
def _create_attachment(self, filename, content, mimetype=None):
"""
Converts the filename, content, mimetype triple into a MIME attachment
object. Use self.encoding when handling text attachments.
"""
if mimetype is None:
mimetype, _ = mimetypes.guess_type(filename)
if mimetype is None:
mimetype = DEFAULT_ATTACHMENT_MIME_TYPE
basetype, subtype = mimetype.split('/', 1)
if basetype == 'text':
encoding = self.encoding or settings.DEFAULT_CHARSET
attachment = SafeMIMEText(smart_str(content,
settings.DEFAULT_CHARSET), subtype, encoding)
else:
# Encode non-text attachments with base64.
attachment = MIMEBase(basetype, subtype)
attachment.set_payload(content)
encoders.encode_base64(attachment)
if filename:
try:
filename = filename.encode('ascii')
except UnicodeEncodeError:
filename = Header(filename, 'utf-8').encode()
attachment.add_header('Content-Disposition', 'attachment',
filename=filename)
return attachment
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
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
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