微信Image中的dat文件转png

突发奇想

定期清微信垃圾的时候发现image文件夹内的文件都是dat文件，然后就想把dat转png。

步骤

获取加密密码

用十六进制打开dat文件，获取前两个字节，然后跟FFD8进行异或，得到加密密码
转换格式

读取dat文件，执行异或操作，最后写入png文件。

Future Work

优化程序

参考

python 读取文件、并以十六进制的方式写入到新文件

解密微信电脑版image文件夹下缓存的用户图片

Python-PyQt5-图形可视化界面(5)--打开文件或文件夹--QFileDialog

利用正则表达式从文件路径中提取出文件名(包含后缀)

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