# import debugpy
# debugpy.listen(3000)

# debugpy.wait_for_client()

# python3 -m debugpy --wait-for-client --listen 0.0.0.0:3000 ./try.py

# {
#             "name": "Attach (Remote Debug)",
#             "type": "python",
#             "request": "attach",
#             "connect": {
#                 "host": "localhost", // replace this with remote machine name
#                 "port": 3000
#             },
#             "pathMappings": [
#                 {
#                     "localRoot": "${workspaceFolder}/python-scripts",
#                     "remoteRoot": "/home/app"
#                 }
#             ]
#         },

import os

from pyftpdlib.authorizers import DummyAuthorizer
# from pyftpdlib.handlers import FTPHandler
from pyftpdlib.handlers import TLS_FTPHandler
from pyftpdlib.servers import FTPServer

def main():
    # Instantiate a dummy authorizer for managing 'virtual' users
    authorizer = DummyAuthorizer()

    # Define a new user having full r/w permissions and a read-only
    # anonymous user
    authorizer.add_user('user', '4s6cP4VRF25eGmQV', '/home/data', perm='elradfmwMT')
    # authorizer.add_anonymous(os.getcwd())

    # Instantiate FTP handler class
    #handler = FTPHandler
    handler = TLS_FTPHandler
    # handler.keyfile = '/etc/letsencrypt/live/h07.ru/privkey.pem'
    # handler.certfile = '/etc/letsencrypt/live/h07.ru/cert.pem'
    handler.keyfile = '/home/cert/key.pem'
    handler.certfile = '/home/cert/cert.pem'
    handler.authorizer = authorizer
    # requires SSL for both control and data channel
    handler.tls_control_required = True
    handler.tls_data_required = True

    # Define a customized banner (string returned when client connects)
    handler.banner = "pyftpdlib based ftpd ready."

    # Specify a masquerade address and the range of ports to use for
    # passive connections.  Decomment in case you're behind a NAT.
    handler.masquerade_address = '188.120.235.192'
    handler.passive_ports = range(49153, 49288)

    # Instantiate FTP server class and listen on 0.0.0.0:2121
    address = ('', 2121)
    server = FTPServer(address, handler)

    # set a limit for connections
    server.max_cons = 256
    server.max_cons_per_ip = 5

    # start ftp server
    server.serve_forever()

if __name__ == '__main__':
    main()
