def PrepareMail(config, mailobj, sender=None, rcpts=None):
if not sender or not rcpts:
tree = mailobj.get_message_tree()
sender = sender or tree['headers_lc']['from']
if not rcpts:
rcpts = ExtractEmails(tree['headers_lc'].get('to', ''))
rcpts += ExtractEmails(tree['headers_lc'].get('cc', ''))
rcpts += ExtractEmails(tree['headers_lc'].get('bcc', ''))
if not rcpts:
raise NoRecipientError()
rcpts += [sender]
# Cleanup...
sender = ExtractEmails(sender)[0]
sender_keyid = None
if config.prefs.openpgp_header:
try:
gnupg = GnuPG()
seckeys = dict([(x["email"], y["fingerprint"])
for y in gnupg.list_secret_keys().values()
for x in y["uids"]])
sender_keyid = seckeys[sender]
except:
pass
rcpts, rr = [sender], rcpts
for r in rr:
for e in ExtractEmails(r):
if e not in rcpts:
rcpts.append(e)
msg = copy.deepcopy(mailobj.get_msg())
# Remove headers we don't want to expose
for bcc in ('bcc', 'Bcc', 'BCc', 'BCC'):
if bcc in msg:
del msg[bcc]
if 'date' not in msg:
msg['Date'] = email.utils.formatdate()
if sender_keyid and config.prefs.openpgp_header:
msg["OpenPGP"] = "id=%s; preference=%s" % (sender_keyid,
config.prefs.openpgp_header)
# Sign and encrypt
signatureopt = bool(int(tree['headers_lc'].get('do_sign', 0)))
encryptopt = bool(int(tree['headers_lc'].get('do_encrypt', 0)))
gnupg = GnuPG()
if signatureopt:
signingstring = MessageAsString(msg)
signature = gnupg.sign(signingstring, fromkey=sender, armor=True)
# FIXME: Create attachment, attach signature.
if signature[0] == 0:
# sigblock = MIMEMultipart(_subtype="signed",
# protocol="application/pgp-signature")
# sigblock.attach(msg)
msg.set_type("multipart/signed")
msg.set_param("micalg", "pgp-sha1") # need to find this!
msg.set_param("protocol", "application/pgp-signature")
sigblock = MIMEText(str(signature[1]), _charset=None)
sigblock.set_type("application/pgp-signature")
sigblock.set_param("name", "signature.asc")
sigblock.add_header("Content-Description",
"OpenPGP digital signature")
sigblock.add_header("Content-Disposition",
"attachment; filename=\"signature.asc\"")
msg.attach(sigblock)
else:
# Raise stink about signing having failed.
pass
#print signature
#if encryptopt:
# encrypt_to = tree['headers_lc'].get('encrypt_to')
# newmsg = gnupg.encrypt(msg.as_string(), encrypt_to)
# # TODO: Replace unencrypted message
# When a mail has been signed or encrypted, it should be saved as such.
del(msg["do_sign"])
del(msg["do_encrypt"])
del(msg["encrypt_to"])
return (sender, set(rcpts), msg)
def PrepareMail(mailobj, sender=None, rcpts=None):
if not sender or not rcpts:
tree = mailobj.get_message_tree()
sender = sender or tree['headers_lc']['from']
if not rcpts:
rcpts = ExtractEmails(tree['headers_lc'].get('to', ''))
rcpts += ExtractEmails(tree['headers_lc'].get('cc', ''))
rcpts += ExtractEmails(tree['headers_lc'].get('bcc', ''))
if not rcpts:
raise NoRecipientError()
rcpts += [sender]
# Cleanup...
sender = ExtractEmails(sender)[0]
rcpts, rr = [sender], rcpts
for r in rr:
for e in ExtractEmails(r):
if e not in rcpts:
rcpts.append(e)
msg = copy.deepcopy(mailobj.get_msg())
# Remove headers we don't want to expose
for bcc in ('bcc', 'Bcc', 'BCc', 'BCC'):
if bcc in msg:
del msg[bcc]
if 'date' not in msg:
msg['Date'] = email.utils.formatdate()
# Sign and encrypt
signatureopt = bool(int(tree['headers_lc'].get('do_sign', 0)))
encryptopt = bool(int(tree['headers_lc'].get('do_encrypt', 0)))
gnupg = GnuPG()
if signatureopt:
signingstring = re.sub("[\r]{1}[\n]{0}", "\r\n", msg.get_payload()[0].as_string())
# print ">>>%s<<<" % signingstring.replace("\r", "<CR>").replace("\n", "<LF>")
signature = gnupg.sign(signingstring, fromkey=sender, armor=True)
# TODO: Create attachment, attach signature.
if signature[0] == 0:
# sigblock = MIMEMultipart(_subtype="signed", protocol="application/pgp-signature")
# sigblock.attach(msg)
msg.set_type("multipart/signed")
msg.set_param("micalg", "pgp-sha1") # need to find this!
msg.set_param("protocol", "application/pgp-signature")
sigblock = MIMEText(str(signature[1]), _charset=None)
sigblock.set_type("application/pgp-signature")
sigblock.set_param("name", "signature.asc")
sigblock.add_header("Content-Description", "OpenPGP digital signature")
sigblock.add_header("Content-Disposition", "attachment; filename=\"signature.asc\"")
msg.attach(sigblock)
else:
# Raise stink about signing having failed.
pass
#print signature
#if encryptopt:
# encrypt_to = tree['headers_lc'].get('encrypt_to')
# newmsg = gnupg.encrypt(msg.as_string(), encrypt_to)
# # TODO: Replace unencrypted message
# When a mail has been signed or encrypted, it should be saved as such.
del(msg["do_sign"])
del(msg["do_encrypt"])
del(msg["encrypt_to"])
return (sender, set(rcpts), msg)
