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musescore-downloader
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fix: auth magics

This commit is contained in:
Xmader 2020-11-19 00:51:18 -05:00
parent f8221a0f50
commit 5426ad5059
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1 changed files with 24 additions and 42 deletions
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66
src/file.ts
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@ -1,63 +1,45 @@
/* eslint-disable no-extend-native */ /* eslint-disable no-extend-native */
import scoreinfo from './scoreinfo' import scoreinfo from './scoreinfo'
import { onPackLoad, webpackContext } from './webpack-hook' import { onPackLoad, loadAllPacks } from './webpack-hook'
type FileType = 'img' | 'mp3' | 'midi' type FileType = 'img' | 'mp3' | 'midi'
const AUTH_REG = /,((\d+\.\..+?)?function\(\)\{var \w=Array.prototype.slice.*?)\)(\[|\.then)/ const AUTH_REG = /,((\d+\.\..+?)?function\(\)\{var \w=Array.prototype.slice.*?)\)(\[|\.then)/
const PACK_ID_REG = /\((\{.*?"\})\[\w\]\|\|\w\)/
const packIdPromise: Promise<Record<FileType, (string | number)>> = webpackContext.then((ctx) => {
const ids = {
img: '9',
midi: '',
mp3: '',
}
try { enum PACK_HINT {
const fn = ctx.e.toString() img = 'getImageRef',
const packsData = fn.match(PACK_ID_REG)[1] as string midi = 'midi:',
// eslint-disable-next-line no-new-func, @typescript-eslint/no-implied-eval mp3 = 'setVolume:',
const packs = Function(`return (${packsData})`)() as { [id: string]: string } }
Object.entries(packs).forEach(([id, name]) => {
if (name.includes('audio') && !ids['mp3']) ids['mp3'] = id
if (name.includes('piano_roll') && !ids['midi']) ids['midi'] = id
})
} catch (err) {
console.error(err)
}
return ids
})
/** /**
* I know this is super hacky. * I know this is super hacky.
*/ */
const magicHookConstr = async (type: FileType) => { const magicHookConstr = async (type: FileType) => {
const packId = await packIdPromise
// request pack // request pack
// eslint-disable-next-line no-void, @typescript-eslint/no-unsafe-return await loadAllPacks()
void webpackContext.then((ctx) => ctx.e(packId[type]))
return new Promise<string>((resolve) => { return new Promise<string>((resolve) => {
onPackLoad((pack) => { onPackLoad((pack) => {
if (pack[0].includes(packId[type]) || pack[0].includes(+packId[type])) { Object.values(pack[1]).forEach((mod) => {
Object.values(pack[1]).forEach((mod) => { const str = mod.toString()
const m = mod.toString().match(AUTH_REG) if (!str.includes(PACK_HINT[type])) {
if (m) { return
const code = m[1] }
try {
// eslint-disable-next-line no-new-func, @typescript-eslint/no-implied-eval const m = str.match(AUTH_REG)
const magic = Function(`return (${code})`)() if (m) {
resolve(magic) const code = m[1]
} catch (err) { try {
console.error(err) // eslint-disable-next-line no-new-func, @typescript-eslint/no-implied-eval
} const magic = Function(`return (${code})`)()
resolve(magic)
} catch (err) {
console.error(err)
} }
}) }
} })
}) })
}) })
} }