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index.js
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index.js
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/*
* ©2024 满月叶
* GitHub: MoonLeeeaf
* 核心代码部分
*/
// 该项目只用不到半天就完成了 2024.5.5 15:03:31
// 辅助类:异步请求
class Ajax {
static get(url) {
return new Promise((res) => $.get(url, (re) => res(re)))
}
static getJson(url) {
return new Promise((res) => $.getJSON(url, (re) => res(re)))
}
static getRaw(url) {
return new Promise((res) => {
$.ajax({
url: url,
method: 'GET',
xhrFields: {
responseType: 'arraybuffer'
},
success: function (data) {
res(data)
},
error: function (error) { }
})
})
}
}
// 辅助类:哈希
class Hash {
static md5(data) {
return CryptoJS.MD5(data)
.toString(CryptoJS.enc.Hex)
}
static sha256(data) {
return CryptoJS.SHA256(data)
.toString(CryptoJS.enc.Hex)
}
}
// 大坑:不加分号可能会导致未知的异常且无法排查,害得我整五十年,气死我了,之前一直这样写都没问题的
// 核心类:反编译
class NemoDecompiler {
static async decompile(user_id, work_ids, onUpdate) {
if (!onUpdate) onUpdate = () => { }
return new Promise(async (res, rej) => {
try {
// 初始化压缩包
let zip = new JSZip();
let f_user = zip.folder(user_id + "");
let f_material = f_user.folder("user_material");
let f_works = f_user.folder("user_works");
for (let work_id of work_ids) {
// 死妈空数据 我操你妈 你他妈害得我中断了 你妈死了
if (work_id == '') continue
onUpdate(0)
let f_work = f_works.folder(work_id + "");
let f_record = f_work.folder("record");
// 储存了用户定义的资源,如果缺失会导致项目无法打开
let user_img = {
user_img_dict: {},
};
// 作品的基本信息
let meta = {
bcm_count: {
block_cnt_without_invisible: 0.0,
block_cnt: 0.0,
entity_cnt: 1.0,
},
bcm_name: "未命名作品", // Replace
bcm_url: "", // Replace
bcm_version: "0.16.2", // Replace // 这个样板使用的 Nemo 版本为 4.5.0
download_fail: false,
extraDatas: {},
have_published_status: false,
have_remote_resources: false,
isLandscape: false,
isMicroBit: false,
isValid: false,
mcloudVariable: [],
publish_preview: "",
publish_status: 0,
reviewState: 0,
template_id: 0,
term_id: 0,
type: 0,
upload_status: {
work_id: work_id, // Replace
have_uploaded: 2,
},
};
// 获取作品信息,并获取最新的源代码文件
// 正文开始
// workid.bcm
let info = await Ajax.getJson("https://api.codemao.cn/creation-tools/v1/works/" + work_id + "/source/public");
meta.bcm_url = info.work_urls[0];
// 谨防JSON数据大坑 害得我调试两年半 QSWL
let bcm = await Ajax.getJson(meta.bcm_url);
f_work.file(work_id + ".bcm", JSON.stringify(bcm));
console.log(bcm)
// workid.userimg
let usrimg = []
for (let k in bcm.styles.styles_dict) {
// 将自己的资源文件从远程文件导入进去
let url = bcm.styles.styles_dict[k].url;
if (url) {
// 获取资源文件,加到资源清单
usrimg.push({
id: k,
url: url
})
}
}
let len = /* Object.keys(bcm.audios.sounds).length + */usrimg.length;
let i = 0;
// 谨防 of 写成 in 大坑
for (let v of usrimg) {
console.log(v)
let n = await this.buildImageResource(f_material, v.url);
user_img.user_img_dict[v.id] = {
id: v.id,
path: user_id + "/user_material/" + n
};
i++;
onUpdate(i / len);
}
f_work.file(work_id + ".userimg", JSON.stringify(user_img));
// 死妈音频 我不处理了 自生自灭吧
// workid.bcm -> audios.sounds: id, name, url, ext
// 谨防Object不可遍历大坑
/* console.log(bcm.audios.sounds)
for (let k of Object.keys(bcm.audios.sounds)) {
let v = bcm.audios.sounds[k];
console.log(v);
// 死人音频 为什么获取一个音频就卡死在这里 阿弥诺斯
console.log(await this.buildAudioResource(f_record, v.url, v.id, v.ext));
i++;
onUpdate(i / len);
} */
// workid.meta
meta.bcm_name = info.name;
meta.bcm_version = info.bcm_version;
f_work.file(work_id + ".meta", JSON.stringify(meta));
// workid.cover
meta.publish_preview = info.preview;
f_work.file(work_id + ".cover", await Ajax.get(info.preview));
onUpdate(1);
}
// 打包项目源代码
res({
data: await zip.generateAsync({
type: "blob"
}), info: { name:"作品集合" }
});
} catch (e) {
rej(e);
}
});
}
static async buildImageResource(m, url) {
let data = ""
try {
data = await Ajax.getRaw(url);
} catch (e) {
data = "HTTP请求失败: " + e
}
// 截至 Nemo 4.5.0,命名不按照规范项目也不会无法打开
// 因此我懒得研究命名了
let n = Hash.sha256(url) + ".webp";
m.file(n, data, {
binary: true,
});
return n;
}
static async buildAudioResource(r, url, id, ext) {
let data = ""
try {
data = await Ajax.getRaw(url);
} catch (e) {
data = "HTTP请求失败: " + e
}
let n = id + "." + ext;
r.file(n, data, {
binary: true,
});
return n;
}
}