#! python3
#UnlockPDF.py - 
#Usage:
#
#Author : qmeng
#MailTo : [email protected]
#QQ     : 1163306125
#Blog   : http://blog.csdn.net/Mq_Go/
#Create : 2018-02-11 11:02:32
#Version: 1.0
#
import PyPDF2
import sys

pdfReader = PyPDF2.PdfFileReader(open('encrypted.pdf','rb'))
if pdfReader.isEncrypted:
    #開始破解密碼
 

    print('嘗試破解密碼...')
    #獲取密碼字典
    File = open('dictionary.txt')
    sfile = File.read()
    dic = sfile.split('\n')
    num = len(dic)
    for i in range(num):
        print('第 '+str(i) +' 次嘗試...     ',end=' ')
        if pdfReader.decrypt(dic[i]):
            print('破解成功，密碼是 ' + dic[i] + '...'
 
)
            #進入PDF
            print('PDF有 '+ str(pdfReader.numPages) + '...')
            print('內容摘要')
            pageObj = pdfReader.getPage(0)
            print(pageObj.extractText())
            break
        temp = dic[i].lower()
        if pdfReader.decrypt(temp):
            print('破解成功，密碼是 '
 
 + temp + '...')
            #進入PDF
            print('PDF有 '+ str(pdfReader.numPages) + '...')
            print('內容摘要')
            pageObj = pdfReader.getPage(0)
            print(pageObj.extractText())
            break
        print('失敗')
    print('程式關閉...')
    sys.exit()