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142 lines
4.5 KiB
142 lines
4.5 KiB
import hashlib
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import json
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import selectors
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import socket
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import threading
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from time import sleep
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import select
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from entity.Letter import Letter, json_to_obj
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import recvs.recv
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from senders import sender
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# from entity.Letter import Letter
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# def main():
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# # 用户输入各种数据填充letter字段
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# # 获取用户的公私钥对进行签名
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# # 使用对方的公钥进行加密
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# # 发送信件
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# pass
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#
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#
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# def sendLetter(letter: Letter, target="192.168.195.162:8426"):
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# # 向目标ip和端口发送指定的信件
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# pass
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class recver_net():
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def __init__(self, port, client_host, client_port):
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self.client_host = client_host
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self.client_port = client_port
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self.letter = Letter()
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self.port = port
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self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.server.bind(('0.0.0.0', self.port))
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self.server.listen(10)
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def recver_thread(self):
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while True:
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conn, addr = self.server.accept()
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data = conn.recv(10240)
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msg = json.loads(data.decode())
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if int(msg['flag']) == 0:
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print("[+] haved received data:" + msg["data"])
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elif int(msg['flag']) == 1:
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self.recv_file(msg['data'])
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else:
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print("[x] Error")
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def send_thread(self, conn):
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while True:
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try:
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flag: int = int(input())
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if flag == 0:
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data = input("[-] Enter data to send: ")
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msg = {"flag": 0, "data": data}
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msg = json.dumps(msg).encode("utf-8")
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self.send_data(conn, msg)
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elif flag == 1:
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print("[+] Calling file transfer module...")
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# file_name = input("Enter file name to send: ")
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self.send_file(conn)
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else:
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print("[x] Error,plesae enter 0 to send data, or 1 to send file.")
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except ValueError:
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print("[x] Error, please enter a valid number.")
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def send_data(self, conn, data):
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conn.sendall(data)
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def send_file(self, conn):
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self.letter: Letter = sender.main()
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letter = self.letter.to_dict()
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msg = {"flag": 1, "data": letter}
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msg = json.dumps(msg).encode("utf-8")
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conn.sendall(msg)
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def recv_data(self, conn):
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con, addr = conn.accept()
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data = con.recv(1024)
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if not data:
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return None
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# print(data.decode())
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return data.decode()
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def recv_file(self, data):
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letter: Letter = json_to_obj(data)
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recvs.recv.handleLetter(letter)
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def main(self):
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while True:
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try:
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client = socket.socket() # 定义协议类型,相当于生命socket类型,同时生成socket连接对象
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client.connect((self.client_host, self.client_port))
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print("[*] Connected...")
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print("[*] if you want to send data, enter 0, if you want to send file, enter 1.")
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sleep(1)
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break
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except socket.error:
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print("[*] Waiting for ...")
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# 加入线程
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threading.Thread(target=self.recver_thread, ).start()
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threading.Thread(target=self.send_thread, args=(client,)).start()
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def run(self):
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threading.Thread(target=self.main).start()
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def input_verify():
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while True:
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try:
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port = int(input("[*] Enter to the listen port: "))
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break
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except ValueError:
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print("[x] Error, please enter a valid port number.")
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while True:
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addr = input("[*] Enter the address to connect to(127.0.0.1:8424): ")
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if ':' in addr:
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client_host, client_port = addr.split(":")
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if client_host and client_port.isdigit():
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client_port = int(client_port)
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if 0 <= client_port <= 65535: # 检查端口范围
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break # 输入有效，跳出循环
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else:
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print("Port must be between 0 and 65535.")
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else:
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print("Invalid address format. Please enter in the format 'host:port'.")
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else:
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print("Invalid address format. Please enter in the format 'host:port'.")
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return port, client_host, client_port
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# test
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if __name__ == '__main__':
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port, client_host, client_port = input_verify()
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a = recver_net(port, client_host, client_port)
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a.run()
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