main.py

from gevent import monkey; monkey.patch_all()
import gevent.server
from telnetsrv.paramiko_ssh import SSHHandler, getRsaKeyFile
from telnetsrv.green import TelnetHandler, command

class MyTelnetHandler(TelnetHandler):
    WELCOME = 'Welcome to my portfolio ! Want anything ?\n\n' + 'Get help with the help command.'
    PROMPT = "anonymous@cloud:~$ "

    @command('help')
    def command_help(self, params):
        '''
        Some commands
        '''

        self.writeresponse(
            'Hey ! You are visiting my telnet-thru-ssh portfolio. Here are some commands you can use: \n\n' +
            'help, mail\n\n' +
            'I hope you like it as much as I do !'
        )

    @command('mail')
    def command_mail(self, params):
        '''
        Returns my email address
        '''

        self.writeresponse('You can get me at: \n\n' +
                            '- kindlyfire@protonmail.com\n' +
                            '- me@kindlyfire.me <= you can use my PGP key here \n\n' +
                            'Get my PGP key using the command "pgp"')

    @command('pgp')
    def command_pgp(self, params):
        '''
        Returns links to my PGP keys
        '''

        self.writeresponse('Need my PGP key ? Here\'s where you can get it:\n\n' +
                            '- http://pgp.mit.edu/pks/lookup?op=get&search=0x2F4A7417FC0319BF\n' +
                            '- zero://kindlyfire.bit/pgp.pub (Using ZeroNet only)')

class MySSHHandler(SSHHandler):
    # Set the unique host key
    host_key = getRsaKeyFile('server_fingerprint.key')

    # Instruct this SSH handler to use MyTelnetHandler for any PTY connections
    telnet_handler = MyTelnetHandler

# Start a telnet server for just the localhost on port 8023.  (Will not request any authentication.)
telnetserver = gevent.server.StreamServer(('127.0.0.1', 8023), MyTelnetHandler.streamserver_handle)
telnetserver.start()

# Start an SSH server for any local or remote host on port 8022
sshserver = gevent.server.StreamServer(("", 8022), MySSHHandler.streamserver_handle)
sshserver.serve_forever()