zulip/contrib_bots/bots/encrypt/encrypt.py

59 lines
1.8 KiB
Python
Executable File

def encrypt(text):
# This is where the actual ROT13 is applied
# WHY IS .JOIN NOT WORKING?!
textlist = list(text)
newtext = ''
firsthalf = 'abcdefghijklmABCDEFGHIJKLM'
lasthalf = 'nopqrstuvwxyzNOPQRSTUVWXYZ'
for char in textlist:
if char in firsthalf:
newtext += lasthalf[firsthalf.index(char)]
elif char in lasthalf:
newtext += firsthalf[lasthalf.index(char)]
else:
newtext += char
return newtext
class EncryptHandler(object):
'''
This bot allows users to quickly encrypt messages using ROT13 encryption.
It encrypts/decrypts messages starting with @mention-bot.
'''
def usage(self):
return '''
This bot uses ROT13 encryption for its purposes.
It responds to me starting with @mention-bot.
Feeding encrypted messages into the bot decrypts them.
'''
def handle_message(self, message, client, state_handler):
bot_response = self.get_bot_encrypt_response(message)
if message['type'] == 'private':
client.send_message(dict(
type='private',
to=message['sender_email'],
content=bot_response,
))
else:
client.send_message(dict(
type='stream',
to=message['display_recipient'],
subject=message['subject'],
content=bot_response,
))
def get_bot_encrypt_response(self, message):
original_content = message['content']
temp_content = encrypt(original_content)
send_content = "Encrypted/Decrypted text: " + temp_content
return send_content
handler_class = EncryptHandler
if __name__ == '__main__':
assert encrypt('ABCDabcd1234') == 'NOPQnopq1234'
assert encrypt('NOPQnopq1234') == 'ABCDabcd1234'