def list_files():
global __serverIP
# Establishes a data connection
link = DataLink(__serverIP)
# Asks for the files list
send_request("LIST", startsWith="150")
log("Receiving list of files...")
# Receives the list
rawData = link.receive_data().decode("ascii")
files = __format_files_list(rawData)
log("Found " + str(len(files)) + " files")
# Closes the data connection
link.close()
return files
def send_file(path, destName=None):
global __serverIP
if not destName: destName = __extract_name(path)
# Establishes a data connection
link = DataLink(__serverIP)
# Asks for a file upload
send_request("STOR " + destName)
# Sends the file data
datafile = open(path, "rb")
filedata = datafile.read()
log("Sending data from " + path + "...")
link.send_data(filedata)
datafile.close()
# Closes the data connection
link.close()
def fetch_file(name, destPath=None):
global __serverIP
if not destPath: destPath = name
# Establishes a data connection
link = DataLink(__serverIP)
# Asks for a file download
send_request("RETR " + name, startsWith="150")
log("Receiving data from " + name + "...")
# Receives the file
filedata = link.receive_data()
datafile = open(destPath, "wb+")
datafile.write(filedata)
datafile.close()
# Closes the data connection
link.close()
def __init__(self, ip):
global _connection_timeout
global _transmission_timeout
# Establishes a data connection
pasvResp = send_request("PASV", startsWith="227")
dataPort = _decode_pasv(pasvResp)
log("Connecting data channel at port " + str(dataPort) + "...")
self.socket = socket.socket()
self.socket.settimeout(_connection_timeout)
self.socket.connect((ip, dataPort))
self.socket.settimeout(_transmission_timeout)
# Sets up a callback to know when the transfer is done
self.transfer_complete = False
def action(line):
nonlocal self
self.transfer_complete = True
filter = lambda line: line.startswith("226")
commandlink.add_callback(action, filter)
def connect(hostname, user, password):
global __serverIP
global __hostName
global __timeout
global __username
global __password
global __storageDir
# Finds the ip address
log("Finding ip of host " + hostname + "...")
try:
ip = socket.gethostbyname(hostname)
except:
log("Could not resolve host " + hostname, "E: ")
raise Exception("Could not resolve host " + hostname)
__serverIP = ip
# Opens the command link and sets the data link up
commandlink.open(ip)
# Sends the authentication messages
send_request("AUTH SSL", startsWith="530")
send_request("USER " + user, startsWith="331")
send_request("PASS " + password, startsWith="230")
# Sets the connection up
send_request("TYPE I", startsWith="200")
__change_directory(__storageDir)
def __change_directory(dir):
send_request("CWD " + dir, startsWith="250")
def backup_file(name):
global __backupDir
global __storageDir
send_request("RNFR " + __storageDir + "/" + name)
send_request("RNTO " + __backupDir + "/" + name)