Python:
# -*- coding: utf-8 -*-
# ☯ Author: ChinaPython
# ☯ Date : 2021/9/16 19:01
import os
import PySimpleGUI as sg
from PyPDF2 import PdfFileWriter
from PyPDF2 import PdfFileReader
class EncryptTool:
def __init__(self):
self.layout = [
[
sg.Text(text="阅览密码"),
sg.InputText(do_not_clear=True, default_text="默认:admin", text_color='gray', key='psw_a', size=(17, 1)),
sg.Text(text="编辑密码"),
sg.InputText(do_not_clear=True, default_text="默认:admin", text_color='gray', key='psw_b', size=(17, 1)),
],
[
sg.Input(do_not_clear=True, default_text='选择需要转换的PDF文件(默认同路径)', text_color='gray', key='path'),
sg.FileBrowse(button_text='选择文件', key='file'),
],
[
sg.Input(do_not_clear=True, default_text='转换后PDF文件存储路径', text_color='gray', key='path2'),
sg.FolderBrowse(button_text='输出目录', key='folder'),
],
[sg.Text(text="", size=(48, 4), background_color="white", text_color="red", key="msg")],
[sg.Button(button_text='开始加密', key='start', size=(48, 2))],
]
self.window = sg.Window('PDF加密小工具(吾爱破解论坛)', self.layout, icon='icon.ico')
@staticmethod
def __encrypt(unencrypted_pdf, read_password, encrypted_pdf=None, owner_password=None):
unencrypted_pdf = "加密_" + unencrypted_pdf if encrypted_pdf is None else unencrypted_pdf
owner_password = owner_password if owner_password is None else owner_password
try:
content = PdfFileReader(unencrypted_pdf)
writer = PdfFileWriter()
[writer.addPage(content.getPage(page)) for page in range(content.getNumPages())]
writer.encrypt(user_pwd=read_password, owner_pwd=owner_password, use_128bit=False)
with open(encrypted_pdf, 'wb') as out:
writer.write(out)
return os.path.exists(encrypted_pdf)
except Exception as e:
return e
# 运行入口
def run(self):
while True:
event, values = self.window.Read()
if event == 'start':
a, b, c, d = values['psw_a'], values['psw_b'], values['path'], values['path2']
if os.path.exists(c) is False or str(c).lower().endswith(".pdf") is False:
self.window.Element('msg').Update("加载目录失败，请检测路径的合法性")
continue
a = "admin" if "默认:" in a or len(a) == 0 else a
b = "admin" if "默认:" in b or len(b) == 0 else b
filepath, filename = os.path.split(c)
d = f"{d}/加密_{filename}" if os.path.isdir(d) is True else f"{filepath}/加密_{filename}"
msg = self.__encrypt(c, a, d, b)
if msg is not True:
self.window.Element('msg').Update(f"加密失败:{msg}")
continue
self.window.Element('msg').Update(
f"阅览密码:{a}\n编辑密码:{b}\n目标文件:{c}\n输出文件:{d}"
)
if event is None:
break
self.window.close()
if __name__ == '__main__':
start = EncryptTool()
start.run()
