利用Paramiko模块实现SFTP工具实现文件的上传下载

 

 1 import paramiko
 2 import sys
 3 import optparse
 4 
 5 
 6 class SFTPClient:
 7     def __init__(self) -> None:
 8         self.target = self.get_params()[0]
 9         self.port = self.get_params()[1]
10         self.username = self.get_params()[2]
11         self.password = self.get_params()[3]
12         self.banner()
13         print('Start to connect the server...')
14         try:
15             self.sshclient = paramiko.SSHClient()
16             self.sshclient.set_missing_host_key_policy(paramiko.AutoAddPolicy())
17             self.sshclient.connect(hostname=self.target, port=self.port,username=self.username, password=self.password)
18             self.sftp = self.sshclient.open_sftp()
19         except paramiko.AuthenticationException:
20             print("[-] Your credentials is wrong")
21             sys.exit()
22 
23 
24     def banner(self):
25         banner= """
26                 **************************************************
27 
28                 ********** SFTP Client Tool by Jason Wong*********            
29 
30                 **************************************************
31 
32                 Usage:
33                         cd              change directory
34                         download        download file from target
35                         upload          upload file to target
36                         quit            exit the probram 
37         """
38         print(banner)
39     
40 
41     def get_params(self):
42         parser = optparse.OptionParser("Usage: <Program> -t target -p port -u username -P password")
43         parser.add_option('-t','--target', dest='target', type='string', help='Specify target IP address')
44         parser.add_option('-p', '--port', dest='port', default=22, type='int', help="Specify target port")
45         parser.add_option('-u', '--username', dest='username', type='string', help='Specify username')
46         parser.add_option('-P', '--password', dest='password', type='string', help="Specify password")
47         options, args = parser.parse_args()
48         if options.target is None or options.username is None or options.password is None:
49             print(parser.usage)
50             sys.exit(0)
51         return options.target, options.port, options.username, options.password
52     
53     def print_dirs(self,dirs):    #更友好的打印目录，否则会直接以列表方式呈现
54         print("List the current directory as follows: \n")
55         for each in dirs:
56             
57             print(each)    
58 
59     def run(self):
60         try:            
61             self.sftp.chdir('/')
62             self.print_dirs(self.sftp.listdir())
63             while True:
64                 command = input("%s ~ " % self.target)
65                 if command == 'quit':
66                     break            
67                 elif command[0:2] == 'cd':
68                     self.sftp.chdir(command[3:])
69                     self.print_dirs(self.sftp.listdir())
70                 elif command[0:8] == 'download':
71                     self.sftp.get(command[9:],'/tmp/'+command[9:])
72                 elif command[0:3] == 'upload':
73                     self.sftp.put('/tmp/'+command[4:], '/tmp/'+command[4:])
74                 else:
75                     print("Unknown Command")
76                 
77         except KeyboardInterrupt:
78             print("Exit the program")
79             sys.exit(0)
80             
81 
82 if __name__ == "__main__":
83     ssh_client = SFTPClient()
84     ssh_client.run()

运行效果示意图如下：

 

posted @ 2022-05-10 17:31  Jason_huawen  阅读(184)  评论(0)    收藏  举报