sneedmail/sneedmail-decrypt.py

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Python
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2024-05-27 13:01:20 -05:00
from __future__ import print_function
from datetime import datetime
import asyncore
from smtpd import SMTPServer
import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
email_server = False
def is_even(number):
return number % 2 == 0
def get_even_letters(message):
even_letters = []
for counter in range(0, len(message)):
if is_even(counter):
even_letters.append(message[counter])
return even_letters
def get_odd_letters(message):
odd_letters = []
for counter in range(0, len(message)):
if not is_even(counter):
odd_letters.append(message[counter])
return odd_letters
def crypter(message):
letter_list = []
if not is_even(len(message)):
message = message + 'x'
even_letters = get_even_letters(message)
odd_letters = get_odd_letters(message)
for counter in range(0, int(len(message)/2)):
letter_list.append(odd_letters[counter])
letter_list.append(even_letters[counter])
new_message = ''.join(letter_list)
return new_message
class EmlServer(SMTPServer):
no = 0
def process_message(self, peer, mailfrom, rcpttos, data):
filename = '%s-%d.eml' % (datetime.now().strftime('%Y%m%d%H%M%S'),
self.no)
f = open(filename, 'w')
f.write(crypter(data))
f.close
print('%s saved.' % filename)
self.no += 1
def EmlClientSend(sender, to, subject, msg, passwd, server, port):
mail_client = smtplib.SMTP(server, port)
mail_client.ehlo()
mail_client.login(sender, crypter(passwd))
messg = MIMEMultipart()
messg['From'] = sender
messg['To'] = to
messg['Subject'] = subject
message = msg
messg.attach(crypter(MIMEText(message)))
mail_client.sendmail(sender, to, messg)
def run_server():
# start the smtp server on localhost:1025
email_server = EmlServer(('localhost', 1025), None)
try:
asyncore.loop()
except KeyboardInterrupt:
pass
def run_client():
while True:
contents = input("<eMail Contents>: ")
print(crypter(contents))
if __name__ == '__main__':
run_client()