#client
import socket,os,json,hashlib
class Ftpclient(object):
def __init__(self):
self.client=socket.socket()
def help(self):
print("put/get/cd/pwd")
def connect(self,ip,port):
self.client.connect((ip,port))
def interactive(self):
while True:
cmd=input("请输入要上传下载的文件:").strip()
if len(cmd)==0:continue
cmd_str=cmd.split()[0]
if hasattr(self,cmd_str):
func=getattr(self,cmd_str)
func(cmd)
else:
self.help()
def pwd(self,*args):
while True:
cmd_split = args[0].split()
if len(cmd_split) > 0:
msg_dic = {
"action": "pwd"
}
self.client.send(json.dumps(msg_dic).encode("utf-8"))
cmd_res = self.client.recv(1024) # 收102400字节数据
self.client.send(b"ready recive result")
data=self.client.recv(1024)
print(data.decode())
break
def dir(self,*args):
cmd_split = args[0].split()
if len(cmd_split)>0:
msg_dic={
"action":"dir"
}
while True:
self.client.send(json.dumps(msg_dic).encode("utf-8"))
cmd_res = self.client.recv(1024) # 收102400字节数据
cmd_res_size=int(cmd_res.decode("utf-8"))
self.client.send(b"ready recive result")
received_size=0
received_data=b''
while received_size<cmd_res_size:
if cmd_res_size - received_size >1024:
size=1024
else:
size=cmd_res_size - received_size
data=self.client.recv(size)
received_size +=len(data)
received_data +=data
else:
print("cmd_res_size",cmd_res_size)
print(received_data.decode())
break
def put(self,*args):
cmd_split=args[0].split()
if len(cmd_split)>1:
filename=cmd_split[1]
if os.path.isfile(filename):
filesize=os.stat(filename).st_size
msg_dic={
"action":"put",
"filename":filename,
"size":filesize,
"overridden":True
}
self.client.send(json.dumps(msg_dic).encode("utf-8"))
server_response=self.client.recv(1024)
m=hashlib.md5()
f=open(filename,'rb')
for line in f:
m.update(line)
self.client.send(line)
else:
print("file md5:", m.hexdigest())
self.client.recv(1024)
self.client.send(m.hexdigest().encode("utf-8"))
print("file upload success...")
f.close()
else:
print(filename,"is not exist")
def get(self,*args):
cmd_split=args[0].split()
if len(cmd_split)>1:
filename=cmd_split[1]
msg_dic={
"action":"get",
"filename":filename,
"overridden":True
}
self.client.send(json.dumps(msg_dic).encode("utf-8"))
received_size = 0
m = hashlib.md5()
f=open(filename+".download",'wb')
server_response=self.client.recv(1024)
file_total_size=int(server_response.decode())
self.client.send(b"ready to recv file")
while received_size < file_total_size:
if file_total_size - received_size > 1024:
size=1024
else:
size=file_total_size - received_size
data = self.client.recv(size)
m.update(data)
f.write(data)
received_size += len(data)
else:
download_file_md5 = m.hexdigest()
self.client.send(b"ready recive your md5")
servrer_file_md5 = self.client.recv(1024)
print("server_file_md5:",servrer_file_md5.decode())
print("download_file_md5:",download_file_md5)
print("file [%s] has download..."%filename)
print("源文件和下载文件大小分别为:",received_size,file_total_size)
ftp=Ftpclient()
ftp.connect("localhost",5566)
ftp.interactive()
#main.py
import socketserver,json,os,hashlib
class MyTcpHandler(socketserver.BaseRequestHandler):
def put(self,*args):
cmd_dic=args[0]
filename=cmd_dic["filename"]
filesize=cmd_dic["size"]
if os.path.isfile(filename):
f=open(filename+".new",'wb')
else:
f=open(filename,'wb')
self.request.send(b'200 ok')
received_size=0
m=hashlib.md5()
while received_size<filesize:
data=self.request.recv(1024)
m.update(data)
f.write(data)
received_size+=len(data)
else:
uploaded_file_md5=m.hexdigest()
self.request.send(b"ready recive your md5")
client_file_md5=self.request.recv(1024)
print("client_file_md5:",client_file_md5.decode())
print("uploaded_file_md5:",uploaded_file_md5)
print("file [%s] has uploaded..."%filename)
def get(self,*args):
cmd_dic=args[0]
filename=cmd_dic["filename"]
if os.path.isfile(filename):
f=open(filename,'rb')
filesize=os.stat(filename).st_size
self.request.send(str(filesize).encode())
self.request.recv(1024)
m = hashlib.md5()
for line in f:
m.update(line)
self.request.send(line)
else:
print("file md5:", m.hexdigest())
self.request.recv(1024)
self.request.send(m.hexdigest().encode("utf-8"))
print("file download success...")
f.close()
else:
print(filename,"is not exist")
def dir(self,*args):
cmd_dic = args[0]
cmd=cmd_dic["action"]
while True:
res = os.popen(cmd).read()
self.request.send(str(len(res.encode())).encode("utf-8"))
client_ack=self.request.recv(1024)
print("确认客户端接收信息")
self.request.send(res.encode())
print("执行结果已经发送")
def pwd(self,*args):
cmd_dic = args[0]
cmd=cmd_dic["action"]
while True:
res = os.getcwd()
self.request.send(str(len(res.encode())).encode("utf-8"))
client_ack=self.request.recv(1024)
print("确认客户端接收信息")
self.request.send(res.encode())
print("执行结果已经发送")
def handle(self):
while True:
try:
self.data=self.request.recv(1024).strip()
print("{} wrote:".format(self.client_address[0]))
print(self.data.decode())
cmd_dic=json.loads(self.data.decode())
print("cmd_dic:",cmd_dic)
action=cmd_dic["action"]
if hasattr(self,action):
func=(getattr(self,action))
func(cmd_dic)
except ConnectionResetError as e:
print("error",e)
break
if __name__=="__main__":
HOST,PORT="localhost",5566
server=socketserver.ThreadingTCPServer((HOST,PORT),MyTcpHandler)
server.serve_forever()
server.allow_reuse_address()
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