258 lines
9.0 KiB
Python
Executable File
258 lines
9.0 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import sys
|
|
import os
|
|
import shutil
|
|
# import ssl
|
|
|
|
import re
|
|
import logging
|
|
|
|
import psycopg2
|
|
|
|
from hashlib import md5
|
|
from pathlib import Path
|
|
from datetime import datetime
|
|
|
|
from utils.time import timestamp_fmt as ts
|
|
from utils.time import date_refmt as df
|
|
from utils.config import set_config as setting
|
|
|
|
from pyftpdlib.handlers import FTPHandler, TLS_FTPHandler
|
|
from pyftpdlib.servers import FTPServer
|
|
from pyftpdlib.authorizers import DummyAuthorizer, AuthenticationFailed
|
|
|
|
class DummyMD5Authorizer(DummyAuthorizer):
|
|
def __init__(self, cfg):
|
|
# Initialize the DummyAuthorizer and add the admin user
|
|
super().__init__()
|
|
self.add_user(
|
|
cfg.adminuser[0], cfg.adminuser[1], cfg.adminuser[2], perm=cfg.adminuser[3])
|
|
|
|
# Definisci la connessione al database
|
|
conn = psycopg2.connect(
|
|
dbname=cfg.dbname,
|
|
user=cfg.dbuser,
|
|
password=cfg.dbpass,
|
|
host=cfg.dbhost,
|
|
port=cfg.dbport
|
|
)
|
|
|
|
# Crea un cursore
|
|
cur = conn.cursor()
|
|
cur.execute("SELECT ftpuser, hash, virtpath, perm FROM virtusers")
|
|
|
|
for ftpuser, hash, virtpath, perm in cur.fetchall():
|
|
self.add_user(ftpuser, hash, virtpath, perm)
|
|
try:
|
|
Path(cfg.virtpath + ftpuser).mkdir(parents=True, exist_ok=True)
|
|
except:
|
|
self.responde('551 Error in create virtual user path.')
|
|
|
|
def validate_authentication(self, username, password, handler):
|
|
# Validate the user's password against the stored hash
|
|
hash = md5(password.encode("UTF-8")).hexdigest()
|
|
try:
|
|
if self.user_table[username]["pwd"] != hash:
|
|
raise KeyError
|
|
except KeyError:
|
|
raise AuthenticationFailed
|
|
|
|
|
|
class ASEHandler(FTPHandler):
|
|
|
|
def __init__(self, conn, server, ioloop=None):
|
|
# Initialize the FTPHandler and add custom commands
|
|
super().__init__(conn, server, ioloop)
|
|
self.proto_cmds = FTPHandler.proto_cmds.copy()
|
|
# Add custom FTP commands for managing virtual users - command in lowercase
|
|
self.proto_cmds.update(
|
|
{'SITE ADDU': dict(perm='M', auth=True, arg=True,
|
|
help='Syntax: SITE <SP> ADDU USERNAME PASSWORD (add virtual user).')}
|
|
)
|
|
self.proto_cmds.update(
|
|
{'SITE DELU': dict(perm='M', auth=True, arg=True,
|
|
help='Syntax: SITE <SP> DELU USERNAME (remove virtual user).')}
|
|
)
|
|
self.proto_cmds.update(
|
|
{'SITE LSTU': dict(perm='M', auth=True, arg=None,
|
|
help='Syntax: SITE <SP> LSTU (list virtual users).')}
|
|
)
|
|
|
|
def on_file_received(self, file):
|
|
if not os.stat(file).st_size:
|
|
os.remove(file)
|
|
logging.info(f'File {file} was empty: removed.')
|
|
else:
|
|
cfg = self.cfg
|
|
path, filenameExt = os.path.split(file)
|
|
filename, fileExtension = os.path.splitext(filenameExt)
|
|
if (fileExtension.upper() in (cfg.fileext)):
|
|
with open(file, 'r') as csvfile:
|
|
lines = csvfile.readlines()
|
|
conn = psycopg2.connect(
|
|
dbname=cfg.dbname,
|
|
user=cfg.dbuser,
|
|
password=cfg.dbpass,
|
|
host=cfg.dbhost,
|
|
port=cfg.dbport
|
|
)
|
|
|
|
# Crea un cursore
|
|
print(file, lines)
|
|
cur = conn.cursor()
|
|
try:
|
|
cur.execute("INSERT INTO received (filename, content) VALUES (%s,%s)" , (filename, lines))
|
|
conn.commit()
|
|
conn.close()
|
|
except:
|
|
logging.error(f'File {file} not loaded. Held in user path.')
|
|
else:
|
|
os.remove(file)
|
|
logging.info(f'File {file} loaded: removed.')
|
|
|
|
def on_incomplete_file_received(self, file):
|
|
# Remove partially uploaded files
|
|
os.remove(file)
|
|
|
|
def ftp_SITE_ADDU(self, line):
|
|
"""
|
|
Add a virtual user and save the virtuser configuration file.
|
|
Create a directory for the virtual user in the specified virtpath.
|
|
"""
|
|
cfg = self.cfg
|
|
try:
|
|
parms = line.split()
|
|
user = os.path.basename(parms[0]) # Extract the username
|
|
password = parms[1] # Get the password
|
|
hash = md5(password.encode("UTF-8")).hexdigest() # Hash the password
|
|
except:
|
|
self.respond('501 SITE ADDU failed. Command needs 2 arguments')
|
|
else:
|
|
try:
|
|
# Create the user's directory
|
|
Path(cfg.virtpath + user).mkdir(parents=True, exist_ok=True)
|
|
except:
|
|
self.respond('551 Error in create virtual user path.')
|
|
else:
|
|
try:
|
|
# Add the user to the authorizer
|
|
self.authorizer.add_user(str(user),
|
|
hash, cfg.virtpath + "/" + user, perm="lmw")
|
|
# Save the user to the SQLite database
|
|
# Definisci la connessione al database
|
|
conn = psycopg2.connect(
|
|
dbname=cfg.dbname,
|
|
user=cfg.dbuser,
|
|
password=cfg.dbpass,
|
|
host=cfg.dbhost,
|
|
port=cfg.dbport
|
|
)
|
|
|
|
# Crea un cursore
|
|
cur = conn.cursor()
|
|
cur.execute("INSERT INTO virtusers (ftpuser, hash, virtpath, perm) VALUES (%s,%s,%s,%s)" , (user, hash, cfg.virtpath + user, 'elmw'))
|
|
conn.commit()
|
|
conn.close()
|
|
logging.info("User {} created.".format(user))
|
|
self.respond('200 SITE ADDU successful.')
|
|
except:
|
|
self.respond('501 SITE ADDU failed.')
|
|
|
|
def ftp_SITE_DELU(self, line):
|
|
"""
|
|
Remove a virtual user and save the virtuser configuration file.
|
|
"""
|
|
cfg = self.cfg
|
|
parms = line.split()
|
|
user = os.path.basename(parms[0]) # Extract the username
|
|
try:
|
|
# Remove the user from the authorizer
|
|
self.authorizer.remove_user(str(user))
|
|
# Delete the user from the SQLite database
|
|
|
|
conn = psycopg2.connect(
|
|
dbname=cfg.dbname,
|
|
user=cfg.dbuser,
|
|
password=cfg.dbpass,
|
|
host=cfg.dbhost,
|
|
port=cfg.dbport
|
|
)
|
|
|
|
# Crea un cursore
|
|
cur = conn.cursor()
|
|
cur.execute("DELETE FROM virtusers WHERE ftpuser = %s", (user, ))
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
logging.info("User {} deleted.".format(user))
|
|
self.respond('200 SITE DELU successful.')
|
|
|
|
except:
|
|
self.respond('501 SITE DELU failed.')
|
|
|
|
def ftp_SITE_LSTU(self, line):
|
|
"""
|
|
List all virtual users.
|
|
"""
|
|
cfg = self.cfg
|
|
users_list = []
|
|
try:
|
|
# Connect to the SQLite database to fetch users
|
|
conn = psycopg2.connect(
|
|
dbname=cfg.dbname,
|
|
user=cfg.dbuser,
|
|
password=cfg.dbpass,
|
|
host=cfg.dbhost,
|
|
port=cfg.dbport
|
|
)
|
|
|
|
# Crea un cursore
|
|
cur = conn.cursor()
|
|
self.push("214-The following virtual users are defined:\r\n")
|
|
cur.execute("SELECT ftpuser, perm FROM virtusers")
|
|
[users_list.append(f'Username: {ftpuser}\tPerms: {perm}\r\n') for ftpuser, perm in cur.fetchall()]
|
|
self.push(''.join(users_list))
|
|
self.respond("214 LSTU SITE command successful.")
|
|
|
|
except:
|
|
self.respond('501 list users failed.')
|
|
|
|
def main():
|
|
# Load the configuration settings
|
|
cfg = setting.config()
|
|
|
|
try:
|
|
# Initialize the authorizer and handler
|
|
authorizer = DummyMD5Authorizer(cfg)
|
|
handler = ASEHandler
|
|
handler.cfg = cfg
|
|
handler.authorizer = authorizer
|
|
handler.masquerade_address = cfg.proxyaddr
|
|
# Set the range of passive ports for the FTP server
|
|
_range = list(range(cfg.firstport, cfg.firstport + cfg.portrangewidth))
|
|
handler.passive_ports = _range
|
|
|
|
# Configure logging
|
|
logging.basicConfig(
|
|
format="%(asctime)s %(message)s",
|
|
filename=cfg.logfilename,
|
|
level=logging.INFO,
|
|
)
|
|
|
|
# Create and start the FTP server
|
|
server = FTPServer(("0.0.0.0", 2121), handler)
|
|
server.serve_forever()
|
|
except KeyboardInterrupt:
|
|
logging.info(
|
|
"Info: {}.".format("Shutdown requested...exiting")
|
|
)
|
|
except Exception:
|
|
print(
|
|
"{} - PID {:>5} >> Error: {}.".format(
|
|
ts.timestamp("log"), os.getpid(), sys.exc_info()[1]
|
|
)
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
main() |