从9.18开始，羊了个羊不再使用明文传输地图信息，改为32位字符串
破解通关方法见：羊了个羊快速通关（已解决名片不显示问题 9.20） https://www.52pojie.cn/thread-1688911-1-1.html
在上一篇帖子中，发现9.18和9.20两版本中，80001地图的字符串均为32位的046ef1bab26e5b9bfe2473ded237b572
9.18：
9.20：
因此猜测这是某些固定内容的md5
要搞清楚原来的内容，先得知道这是用来做什么的
尝试修改第二个字符串为00000000000000000000000000000000
则响应结构为：（注：map_seed值不影响游戏开始，但影响卡牌种类和个数）
{"err_code":0,"err_msg":"","data":{"map_md5":["046ef1bab26e5b9bfe2473ded237b572","00000000000000000000000000000000"],"map_seed":[0,0,0,0]}}开始游戏，无法正常进行，Charles中出现新的get请求404：
这是之前没见过的，也有可能只在第一次运行时加载了一次
新的请求为：
https://cat-match-static.easygame2021.com/maps/00000000000000000000000000000000.txt
map_md5中的字符串成为了新的参数
到这里可以确定游戏将地图信息放在了一个txt文件里
浏览器打开网址：https://cat-match-static.easygame2021.com/maps/046ef1bab26e5b9bfe2473ded237b572.txt尝试获取第一关信息：
{"levelKey":80001,"levelData":{"1":[{"id":"1-16-16","type":0,"rolNum":16,"rowNum":16,"layerNum":1,"moldType":1,"blockNode":null},{"id":"1-28-16","type":0,"rolNum":28,"rowNum":16,"layerNum":1,"moldType":1,"blockNode":null},{"id":"1-40-16","type":0,"rolNum":40,"rowNum":16,"layerNum":1,"moldType":1,"blockNode":null},{"id":"1-16-32","type":0,"rolNum":16,"rowNum":32,"layerNum":1,"moldType":1,"blockNode":null},{"id":"1-28-32","type":0,"rolNum":28,"rowNum":32,"layerNum":1,"moldType":1,"blockNode":null},{"id":"1-40-32","type":0,"rolNum":40,"rowNum":32,"layerNum":1,"moldType":1,"blockNode":null},{"id":"1-16-48","type":0,"rolNum":16,"rowNum":48,"layerNum":1,"moldType":2,"blockNode":null},{"id":"1-28-48","type":0,"rolNum":28,"rowNum":48,"layerNum":1,"moldType":2,"blockNode":null},{"id":"1-40-48","type":0,"rolNum":40,"rowNum":48,"layerNum":1,"moldType":2,"blockNode":null}],"2":[{"id":"2-16-36","type":0,"rolNum":16,"rowNum":36,"layerNum":2,"moldType":1,"blockNode":null},{"id":"2-28-36","type":0,"rolNum":28,"rowNum":36,"layerNum":2,"moldType":1,"blockNode":null},{"id":"2-40-36","type":0,"rolNum":40,"rowNum":36,"layerNum":2,"moldType":1,"blockNode":null},{"id":"2-16-20","type":1,"rolNum":16,"rowNum":20,"layerNum":2,"moldType":1,"blockNode":null},{"id":"2-28-20","type":1,"rolNum":28,"rowNum":20,"layerNum":2,"moldType":1,"blockNode":null},{"id":"2-40-20","type":1,"rolNum":40,"rowNum":20,"layerNum":2,"moldType":1,"blockNode":null},{"id":"2-16-49","type":0,"rolNum":16,"rowNum":49,"layerNum":2,"moldType":2,"blockNode":null},{"id":"2-28-49","type":0,"rolNum":28,"rowNum":49,"layerNum":2,"moldType":2,"blockNode":null},{"id":"2-40-49","type":0,"rolNum":40,"rowNum":49,"layerNum":2,"moldType":2,"blockNode":null}],"3":[]},"blockTypeData":{"1":1,"2":2,"3":2},"heightNum":10,"widthNum":8}果然得到了地图信息
接下来考虑如何得到md5，最简单的尝试就是把整个json进行一次md5
这样一来就得到了原来的字符串046ef1bab26e5b9bfe2473ded237b572
了解了得到map_md5的方法，也就知道了本次更新后加载地图的方式，便可以想到一种修改游戏的方式：自定义一张地图，本地修改游戏源码，将地图信息请求修改到本地，再通过重写响应等方式指向该文件，可以达到修改游戏的目的
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