118 lines
3.4 KiB
Python
118 lines
3.4 KiB
Python
import os
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import socket
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CLIENT_FILE = "clientfile"
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BUFFER_SIZE = 1024
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def handle_list(conn, args):
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num_of_files_received = 0
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num_of_files = int(conn.recv(BUFFER_SIZE).decode('utf-8'))
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print("Total files in directory: "+ str(num_of_files))
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while num_of_files_received < num_of_files:
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file_info = conn.recv(BUFFER_SIZE).decode('utf-8')
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print(file_info)
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num_of_files_received += 1
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response = conn.recv(BUFFER_SIZE).decode('utf-8')
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print(response)
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def handle_quit(conn, args):
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conn.sendall("QUIT\r\n".encode())
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# Receive response from server
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# Decode bytes to string
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response = conn.recv(BUFFER_SIZE).decode('utf-8').strip()
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print(response)
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conn.close()
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return True
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def handle_DWLD(conn, args):
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# send command over
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filename = args
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conn.sendall(f"DWLD {filename}\r".encode())
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os.chdir(os.path.abspath(CLIENT_FILE))
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filesize = int(conn.recv(BUFFER_SIZE).decode('utf-8'))
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bytes_received = 0
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with open(filename, "wb") as f:
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while bytes_received < filesize:
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data = conn.recv(BUFFER_SIZE)
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f.write(data)
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bytes_received += BUFFER_SIZE
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response = conn.recv(BUFFER_SIZE).decode('utf-8')
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print(response)
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os.chdir("../")
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def handle_UPLD(conn, args):
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filename = args
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os.chdir(os.path.abspath(CLIENT_FILE))
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if not os.path.exists(filename):
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print("File does not exist")
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else:
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bytes_sent = 0
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file_size = os.path.getsize(filename)
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conn.sendall(f"UPLD {filename} {file_size}\r".encode())
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with open(filename, "rb") as f:
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while bytes_sent < file_size:
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filedata = f.read(BUFFER_SIZE)
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conn.sendall(filedata)
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bytes_sent += BUFFER_SIZE
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response = conn.recv(BUFFER_SIZE).decode().strip()
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print(response)
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os.chdir("../")
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def user_input():
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# Get user input
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user_input = input("> ").strip()
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# Parse command and arguments
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if " " in user_input:
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command, args = user_input.split(" ", 1)
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else:
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command, args = user_input, ""
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return command, args
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def ftp_cient(host, port):
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect((host, port))
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response = sock.recv(BUFFER_SIZE).decode().strip()
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print(response)
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while True:
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user_input = input("> ").strip()
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if " " in user_input:
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command, args = user_input.split(" ", 1)
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else:
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command, args = user_input, ""
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if command.upper() == "LIST":
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sock.sendall("LIST\r\n".encode())
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handle_list(sock, args)
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elif command.upper() == "QUIT":
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handle_quit(sock, args)
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break
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elif command.upper() == "DWLD":
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handle_DWLD(sock, args)
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elif command.upper() == "UPLD":
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handle_UPLD(sock, args)
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elif command.upper() == "DELF":
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filename = args
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sock.sendall(f"DELF {filename}\r".encode())
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response = sock.recv(BUFFER_SIZE).decode('utf-8')
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print(response)
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elif command.upper() == "RNTO":
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oldName, newName = args.split(" ", 1)
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sock.sendall(f"RNTO {oldName} {newName}\r".encode())
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else:
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print("Invalid command")
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sock.close()
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if __name__ == "__main__":
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# FTP Client should be able to define IP and port
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ftp_cient("127.0.0.1", 2001)
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