微信聊天记录的图片DAT文件还原
站长 • 2024-08-15 13:13 • 62 次点击 • 技术教程
微信聊天记录里的图片忘记保存原图过期了怎么办?备份微信聊天记录,图片全是一些DAT文件,无法直接预览,怎么办?
每次找个资料都可能会遇到这个问题,纠结来纠结去,终于找到了解决方案了。
可以把需要恢复的图片(在电脑的聊天记录存储里,查找*.dat,找到聊天记录时间附近的文件拷贝出来)
然后通过执行python脚本,直接得到解析后的图片成果:
完美~~~~
附代码:
[Python] 纯文本查看 复制代码
# -*- coding:utf-8 -*- import os into_path = r'D:/test1' # 微信图片DAT文件存放路径 out_path = r"D:/test2" # 转换后的图片存放路径 def main(into_path, out_path): dat_list = dat_files(into_path) lens = len(dat_list) if lens == 0: print('没有dat文件') exit() num = 0 for dat_file in dat_list: num += 1 temp_path = into_path + '/' + dat_file dat_file_name = dat_file[:-4] imageDecode(temp_path, dat_file_name, out_path) value = round((num / lens) * 100, 2) print('正在处理--->[{}/{}] {}%'.format(num, lens, value)) def dat_files(file_dir): dat = [] for files in os.listdir(file_dir): if os.path.splitext(files)[1] == '.dat': dat.append(files) return dat def imageDecode(temp_path, dat_file_name, out_path): dat_read = open(temp_path, "rb") xo, j = Format(temp_path) if j == 1: mat = '.png' elif j == 2: mat = '.gif' else: mat = '.jpg' out = out_path + '/' + dat_file_name + mat png_write = open(out, "wb") dat_read.seek(0) for now in dat_read: for nowByte in now: newByte = nowByte ^ xo png_write.write(bytes([newByte])) dat_read.close() png_write.close() def Format(f): dat_r = open(f, "rb") try: a = [(0x89, 0x50, 0x4e), (0x47, 0x49, 0x46), (0xff, 0xd8, 0xff)] for now in dat_r: j = 0 for xor in a: j = j + 1 i = 0 res = [] now2 = now[:3] for nowByte in now2: res.append(nowByte ^ xor[i]) i += 1 if res[0] == res[1] == res[2]: return res[0], j except: pass finally: dat_r.close() if __name__ == '__main__': main(into_path, out_path)