472 lines
18 KiB
Python
472 lines
18 KiB
Python
import socket
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import sys
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import threading
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import time
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import pickle
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from io import StringIO
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import CoreAlgorithm
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import DataSearch
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# 审批回执类消息head：01001001
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# sql密文类消息head：01001010
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# 元数据类消息head：01001100
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# 实现GUI界面
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import tkinter as tk
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from tkinter import *
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from tkinter import messagebox, scrolledtext
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from PIL import ImageTk
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# 美化
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from ttkbootstrap import Style # pylint: disable=e0401 # type: ignore
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from tkinter import ttk
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sleep_time = 1
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# 用于生成本地公钥和私钥
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def generate_key_pair_data():
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public_key_data, private_key_data = CoreAlgorithm.generate_paillier_keypair()
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return private_key_data, public_key_data
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# 用公钥为本地生成数字证书
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def get_certificate(temp_public_key, cert_name):
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public_key_str = "\n".join(
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temp_public_key[i : i + 60] for i in range(0, len(temp_public_key), 60)
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)
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pack_public_key = (
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"-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----"
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)
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cert = {"public_key": pack_public_key, "name": "<数据提供方>" + cert_name}
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return cert
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# 公钥转公钥信息
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def key_to_data(key):
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# str转bytes
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byte = bytes.fromhex(key)
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# bytes转PaillierPublicKey
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data = pickle.loads(byte)
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return data
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# 加密字符串
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def str_to_encrypt(message, public_data):
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# str 转 int
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if message.isdigit():
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int_message = int(message)
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else:
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int_message = int.from_bytes(message.encode(), "big")
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enc_message = public_data.encrypt(int_message)
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print("int_message", int_message)
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return enc_message
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class MyClient:
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def __init__(self):
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# 实现GUI主界面框用到的参数
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self.root = None
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self.data_text = None
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self.name_text = None
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self.message_text = None
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self.window = None
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# 初始化最近一次的待处理的sql申请信息
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self.recent_message = ""
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# 初始化本端名
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self.name = ""
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# 初始化sql
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self.sql = ""
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# 准备界面函数
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self.root_window()
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self.give_name()
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# 生成私钥和公钥信息
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(
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self.private_key_data,
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self.public_key_data,
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) = generate_key_pair_data() # PaillierPublicKey 类型
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# 生成私钥和公钥字符串
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self.private_key, self.public_key = self.generate_key_pair()
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# 初始化数字证书
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self.certificate = {} # 等名字输入了再生成
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# 初始化socket
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self.client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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# 初始化根界面
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def root_window(self):
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self.root = tk.Tk()
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self.root.title("数据提供方智慧医疗SQL查询系统")
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self.root.geometry("450x540")
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# 增加背景图片
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global photo
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photo = ImageTk.PhotoImage(file="background.png")
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label = Label(self.root, image=photo)
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label.pack()
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self.create_widgets() # 调用函数创建功能按钮
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# 为本端取名
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def give_name(self):
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self.window = tk.Toplevel()
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self.window.title("命名窗口")
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self.window.geometry("300x320")
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# 初始化信息输入框
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self.name_text = tk.StringVar()
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tk.Label(self.window, bg="green", text="请为本端取名:").place(x=50, y=100)
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input_message = tk.Entry(self.window, textvariable=self.name_text)
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input_message.pack()
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input_message.place(x=80, y=150)
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# 确认按钮及位置
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bt_confirm = tk.Button(
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self.window, bg="green", text="确认", width=10, command=self.get_name
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)
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bt_confirm.pack()
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bt_confirm.place(x=125, y=220)
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# 读取输入框的name，保存在self.name中
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def get_name(self):
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self.name = self.name_text.get()
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messagebox.showinfo("提示", "命名成功！")
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self.window.destroy()
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self.root.title("<数据提供方>" + self.name + "的智慧医疗系统")
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# 安全通信
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def safe_connect(self):
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if self.certificate != {}:
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# 与服务器端地址建立通信, 8080为服务端程序的端口号
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self.client.connect(("localhost", 1111))
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# 为接收消息函数添加线程
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threading.Thread(target=self.get_message).start()
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time.sleep(3)
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else:
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messagebox.showinfo("提示", "请先生成你的公钥证书！")
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# 向平台发送本地公钥信息
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def send_public_key(self):
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print("正在向平台发送本地公钥信息...")
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self.client.send(str(self.certificate).encode())
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print(self.certificate)
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time.sleep(sleep_time)
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print("发送成功!")
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# 产生公私钥字符串
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def generate_key_pair(self):
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# Paillier 转 bytes
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public_key_bytes = pickle.dumps(self.public_key_data)
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private_key_bytes = pickle.dumps(self.private_key_data)
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# bytes 转 str
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public_key = public_key_bytes.hex()
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private_key = private_key_bytes.hex()
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return private_key, public_key
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# 打印公钥
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def print_public_key(self):
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print("本地公钥信息为:")
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print(self.public_key_data)
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print("打印公钥如下:", end="")
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public_key_str = "\n".join(
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self.public_key[i : i + 60] for i in range(0, len(self.public_key), 60)
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)
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pack_public_key = (
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"\n-----BEGIN PUBLIC KEY-----\n"
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+ public_key_str
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+ "\n-----END PUBLIC KEY-----\n"
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)
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print(pack_public_key)
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messagebox.showinfo("本地公钥", pack_public_key) # GUI界面显示
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# 打印私钥
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def print_private_key(self):
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print("本地私钥信息为:")
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print(self.private_key_data)
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private_key_str = "\n".join(
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self.private_key[i : i + 60] for i in range(0, len(self.public_key), 60)
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)
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pack_private_key = (
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"-----BEGIN PRIVATE KEY-----\n"
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+ private_key_str
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+ "\n-----END PRIVATE KEY-----\n"
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)
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print("打印私钥如下:", end="")
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print(pack_private_key)
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messagebox.showinfo("本地私钥", pack_private_key) # GUI界面显示
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# 打印证书
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def print_certificate(self):
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if self.name != "":
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self.certificate = get_certificate(self.public_key, self.name)
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print("本地公钥证书为:")
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message = ""
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for key, value in self.certificate.items():
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print(key, ":\n", value)
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message += key + ":\n" + value + "\n"
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messagebox.showinfo("本地公钥证书", message)
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else:
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messagebox.showinfo("提示", "请先为平台命名！")
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# 接收消息
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def get_message(self):
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while True:
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# 接收连接结果信息
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message = self.client.recv(4096).decode()
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print(message)
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if message == "安全多方计算平台:单向授权成功！":
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self.client.send("请发送平台的完整公钥证书".encode())
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while True:
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message = self.client.recv(4096).decode() # 公钥字符串比较长，要多一点
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if message.startswith("{'public_key':"): # 等待接收平台公钥证书
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cert = eval(message)
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messagebox.showinfo("连接结果", "与平台连接成功!")
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print("接收到的平台的公钥证书如下:")
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message = ""
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for key, value in cert.items():
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if isinstance(value, bytes):
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value = value.decode()
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print(key, ":\n", value)
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message += key + ":\n" + value
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messagebox.showinfo("平台的公钥证书", message)
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server_public_key = (
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cert["public_key"]
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.split("-----END PUBLIC KEY-----")[0]
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.split("-----BEGIN PUBLIC KEY-----")[1]
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)
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server_public_key = server_public_key.replace("\n", "")
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print("提取到的server_public_key:")
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print(server_public_key)
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global server_public_key_data
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server_public_key_data = key_to_data(server_public_key)
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print("对应的server_public_key_data:")
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print(server_public_key_data)
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messagebox.showinfo("平台的公钥信息", server_public_key_data)
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self.client.send("认证成功!".encode())
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self.send_public_key() # 单向认证后把自己的公钥证书发给平台实现双向认证
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break
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else:
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print("错误的Message", message)
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elif message == "安全多方计算平台:双向授权成功！":
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messagebox.showinfo("平台发来的消息", "与平台的双向认证成功！")
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self.client.send("请求查询方信息！".encode())
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cert = self.client.recv(4096).decode()
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cert = eval(cert)
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message_p = "接收到一则非平台的公钥证书"
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print(message_p)
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# messagebox.showinfo("提示", message_p)
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message = ""
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for key, value in cert.items():
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if isinstance(value, bytes):
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value = value.decode()
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print(key, ":\n", value)
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message += key + ":\n" + value + "\n"
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# messagebox.showinfo("数据查询方的公钥证书", message)
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search_public_key = (
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cert["public_key"]
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.split("-----END PUBLIC KEY-----")[0]
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.split("-----BEGIN PUBLIC KEY-----")[1]
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)
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search_public_key = search_public_key.replace("\n", "")
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print("提取到的search_public_key:")
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print(search_public_key)
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global search_public_key_data
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search_public_key_data = key_to_data(search_public_key)
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print("对应的search_public_key_data:")
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print(search_public_key_data)
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# messagebox.showinfo("数据查询方的公钥信息", search_public_key_data)
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elif message.startswith("01001010"):
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message = message.split("01001010", 1)[
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1
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] # [0]是空字符串，已测试。只切一次是防止密文出现和头部一样的信息被误切。
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# 使用私钥解密消息,获得sql明文
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print("接收到的sql密文:", message)
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int_message = int(message)
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# Ciphertext转EncryptedNumber
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Encrpt_message = CoreAlgorithm.EncryptedNumber(
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self.public_key_data, int_message, exponent=0
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)
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dec_int_message = self.private_key_data.decrypt(Encrpt_message)
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dec_message = dec_int_message.to_bytes(
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(dec_int_message.bit_length() + 7) // 8, "big"
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).decode()
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print("解密后的消息为:", dec_message)
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self.sql = dec_message.split("||")[2]
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print("收到已授权方的sql:", self.sql)
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self.design_window()
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# --------------------------接收sql消息的窗口设计函数-------------------------
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# 接受调用数据的请求
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def send_accept_reply(self):
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self.client.send(
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(
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"01001001"
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+ str(self.client.getsockname())
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+ "||"
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+ self.name
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+ "同意了你的数据申请。"
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).encode()
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)
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self.window.destroy()
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self.window = tk.Toplevel()
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self.window.title("命名窗口")
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self.window.geometry("300x320")
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# 信息输入框
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self.data_text = tk.StringVar()
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tk.Label(self.window, bg="green", text="请输入要调用的信息:").place(x=50, y=100)
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input_message = tk.Entry(self.window, textvariable=self.data_text)
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input_message.pack()
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input_message.place(x=80, y=150)
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# 确认按钮及位置
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bt_confirm = tk.Button(
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self.window, bg="green", text="确认", width=10, command=self.send_data
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)
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bt_confirm.pack()
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bt_confirm.place(x=125, y=220)
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# 发送要调用的信息
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def send_data(self):
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message = self.data_text.get()
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print(message, type(message))
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# 加密并封装消息
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print("正在封装并加密消息...")
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global search_public_key_data
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enc_message = str_to_encrypt(message, search_public_key_data).ciphertext()
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pack_message = "01001100" + str(enc_message)
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print("正在发送消息给平台...")
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self.client.send(pack_message.encode())
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print("发送成功！")
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messagebox.showinfo("提示", "发送成功！")
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self.window.destroy()
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# 拒绝调用数据的请求
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def send_decline_reply(self):
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self.client.send(
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(
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"01001001" + str(self.client.getsockname()) + "||" + "想得美哦!不给(*^▽^*)"
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).encode()
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)
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messagebox.showinfo("提示", "已拒绝！")
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self.window.destroy()
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# 稍后处理调用数据的请求
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def wait_reply(self):
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self.window.destroy()
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# 接收到sql信息的专属窗口
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def design_window(self):
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if self.sql != "":
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self.window = tk.Toplevel()
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self.window.title("平台发来的消息")
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self.window.geometry("550x320") # 设定窗口大小
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self.recent_message = "收到已授权方的sql:" + self.sql
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tk.Label(self.window, bg="green", text=self.recent_message).place(
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x=50, y=100
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)
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# 创建接受按钮
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accept_button = tk.Button(
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self.window, text="接受", width=15, command=self.send_accept_reply
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)
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accept_button.place(x=90, y=220)
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# 创建拒绝按钮
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decline_button = tk.Button(
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self.window, text="拒绝", width=15, command=self.send_decline_reply
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)
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decline_button.place(x=225, y=220)
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# 创建稍后处理按钮
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decline_button = tk.Button(
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self.window, text="稍后处理", width=15, command=self.wait_reply
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)
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decline_button.place(x=360, y=220)
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else:
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messagebox.showinfo("提示", "暂无待处理的信息。")
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# -----------------------------------------------------------------------
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# 调用本地信息库
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def search_data(self):
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output = StringIO() # 用于保存打印信息
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sys.stdout = output # 重定向sys.stdout到StringIO
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print(self.name)
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DataSearch.main(self.name)
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sys.stdout = sys.__stdout__
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long_text = output.getvalue()
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print(long_text)
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# 创建显示窗口
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window = tk.Toplevel()
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# 创建滚动文本部件
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roll = scrolledtext.ScrolledText(window, width=200, height=40)
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# 打印超长字符串
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roll.insert(tk.END, long_text)
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roll.pack()
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# --------------------------主界面的按键功能绑定--------------------------------
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# 界面按键
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def create_widgets(self):
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# 创建按钮和标签等部件并使用ttk和Style进行美化
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style = Style(theme="darkly") # 指定样式主题
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self.root = style.master
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button1 = ttk.Button(
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self.root,
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text="查看我的公钥",
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bootstyle="info-outline",
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command=self.print_public_key,
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width=30,
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)
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button1.place(x=104, y=310)
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button2 = ttk.Button(
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self.root,
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text="查看我的私钥",
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bootstyle="info-outline",
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command=self.print_private_key,
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width=30,
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)
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button2.place(x=104, y=348)
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button3 = ttk.Button(
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self.root,
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text="生成我的证书",
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bootstyle="info-outline",
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command=self.print_certificate,
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width=30,
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)
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button3.place(x=104, y=383)
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button4 = ttk.Button(
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self.root,
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text="获取平台认证",
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bootstyle="info-outline",
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command=self.safe_connect,
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width=30,
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)
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button4.place(x=104, y=418)
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button5 = ttk.Button(
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self.root,
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text="处理请求信息",
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bootstyle="info-outline",
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command=self.design_window,
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width=30,
|
||
)
|
||
button5.place(x=104, y=453)
|
||
button6 = ttk.Button(
|
||
self.root,
|
||
text="查看医疗记录",
|
||
bootstyle="info-outline",
|
||
command=self.search_data,
|
||
width=30,
|
||
)
|
||
button6.place(x=104, y=488)
|
||
|
||
# GUI界面
|
||
def run(self):
|
||
self.root.mainloop()
|
||
|
||
|
||
# ----------------------------------------------------主程序----------------------------------------------------
|
||
global server_public_key_data, search_public_key_data, photo # 使用全局变量，否则图片可能会被回收，不显示
|
||
|
||
# GUI界面
|
||
app = MyClient()
|
||
app.run()
|
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