.mht – obaby@mars

mht文件图片解析工具（兼容Chrome/Blink）

之前写过一个mht文件的解析工具，不过当时解析的文件都是ie生成的。没有测试过chrome解析的文件。今天在github上看到一个反馈：https://github.com/obaby/mht-image-extractor/issues/1 qq浏览器保存的文件无法提取，chrome保存的文件会直接崩溃。下载附件的文件解析后发现，这两个文件的文件格式与ie的文件格式并不一致，文件头改成了如下的内容：

From: 
Snapshot-Content-Location: https://mp.weixin.qq.com/s?__biz=MzU1NzQ3MTg5OQ==&mid=2247483652&idx=1&sn=a16979f8b088cb60fb63f210536d5288&chksm=fc3400f0cb4389e698a5a3ce1bf6a6ab3ff6f547bb4db409893850b0c502053d1fea40f70fda&sessionid=0&scene=126&subscene=0&clicktime=1599463540&enterid=1599463540&ascene=3&devicetype=android-28&version=27001237&nettype=ctnet&abtest_cookie=AAACAA%3D%3D&lang=zh_CN&exportkey=AUPVIV8Yt1hvPJ2dYKFWhvM%3D&pass_ticket=eTzcuEu%2BGavsf30E3HDErOhtb18ThPDhge008pIBzY7AFq0IuG1LUgojTpufwqUZ&wx_header=1
Subject: =?utf-8?Q?=E6=B1=89=E6=9C=8D=E4=B8=A8=E5=BD=BC=E5=B2=B8=E8=8A=B1=E5=BC=80?=
Date: Sun, 20 Sep 2020 00:50:44 -0000
MIME-Version: 1.0
Content-Type: multipart/related;
    type="text/html";
    boundary="----MultipartBoundary--Bx5ubV1DnfL8hvvsySfZL6MQeLa58tWkfwrQGpothO----"

而ie保存的文件头则是如下格式的：

Content-Type: multipart/related; start=op.mhtml.1267442701515.fe60c16c115c15f9@169.254.195.209; boundary=----------pMKI1vNl6U7UKeGzbfNTyN Content-Location: http://a.10xjw.com/feizhuliu/89905.html
Subject: =?utf-8?Q?=E8=B6=85=E7=BE=8E=E4=B8=9D=E6=8E=A7=E5=A7=90=E5=A6=B9=E8=8A=B1=E7=A7=92=E6=9D=80=E4=BD=A0=E6=B2=A1=E9=97=AE=E9=A2=98[26P]-=2037kxw.com=20-=20=E4=B8=AD=E5=9B=BD=E6=9C=80=E5=A4=A7=E7=9A=84=E8=89=B2=E6=83=85=E5=88=86=E4=BA=AB=E7=BD=91=E7=AB=99?= MIME-Version: 1.0