63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
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from __future__ import print_function
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from datetime import datetime
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import asyncore
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from smtpd import SMTPServer
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import smtplib
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from email.MIMEMultipart import MIMEMultipart
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from email.MIMEText import MIMEText
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email_server = False
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def is_even(number):
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return number % 2 == 0
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def get_even_letters(message):
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even_letters = []
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for counter in range(0, len(message)):
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if is_even(counter):
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even_letters.append(message[counter])
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return even_letters
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def get_odd_letters(message):
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odd_letters = []
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for counter in range(0, len(message)):
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if not is_even(counter):
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odd_letters.append(message[counter])
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return odd_letters
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def crypter(message):
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letter_list = []
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if not is_even(len(message)):
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message = message + 'x'
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even_letters = get_even_letters(message)
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odd_letters = get_odd_letters(message)
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for counter in range(0, int(len(message)/2)):
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letter_list.append(odd_letters[counter])
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letter_list.append(even_letters[counter])
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new_message = ''.join(letter_list)
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return new_message
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class EmlServer(SMTPServer):
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no = 0
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def process_message(self, peer, mailfrom, rcpttos, data):
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filename = '%s-%d.eml' % (datetime.now().strftime('%Y%m%d%H%M%S'),
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self.no)
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f = open(filename, 'w')
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f.write(crypter(data))
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f.close
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print('%s saved.' % filename)
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self.no += 1
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def run_server():
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# start the smtp server on localhost:1025
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email_server = EmlServer(('localhost', 1025), None)
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try:
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asyncore.loop()
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except KeyboardInterrupt:
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pass
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if __name__ == '__main__':
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run()
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