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fix: resolve __NEXT_DATA__ for userData #180

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Mar 1, 2025
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131 changes: 106 additions & 25 deletions api/user.ts
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import { VercelRequest, VercelResponse } from '@vercel/node'
import { load } from 'cheerio'
import { CheerioAPI, load } from 'cheerio'
import { ajax, replacePximgUrlsInObject } from './utils.js'

export default async (req: VercelRequest, res: VercelResponse) => {
Expand All @@ -12,33 +12,29 @@ export default async (req: VercelRequest, res: VercelResponse) => {
.get('/', { params: req.query, headers: req.headers })
.then(async ({ data }) => {
const $ = load(data)
const $meta = $('meta[name="global-data"]')
if ($meta.length < 0 || !$meta.attr('content')) {
return res.status(403).send({ message: '无效的用户密钥' })
}

let meta
try {
meta = JSON.parse($meta.attr('content') as string)
} catch (error) {
res.status(403).send({
message: '意料外的元数据',
cheerio: {
length: $meta.length,
html: $meta.prop('outerHTML'),
},
error,
})

return
}
let meta: { userData: any; token: string }
const $legacyGlobalMeta = $('meta[name="global-data"]')
const $nextDataScript = $('script#__NEXT_DATA__')

if (!meta.userData) {
res.status(403).send({
message: '无法获取登录状态',
meta,
try {
if ($legacyGlobalMeta.length > 0) {
meta = resolveLegacyGlobalMeta($)
} else if ($nextDataScript.length > 0) {
meta = resolveNextData($)
} else {
throw new Error('未知的元数据类型', {
cause: {
error: new TypeError('No valid resolver found'),
meta: null,
},
})
}
} catch (error: any) {
return res.status(401).send({
message: error.message,
cause: error.cause,
})
return
}

res.setHeader('cache-control', 'no-cache')
Expand All @@ -54,3 +50,88 @@ export default async (req: VercelRequest, res: VercelResponse) => {
.send(err?.response?.data || err)
})
}

function resolveLegacyGlobalMeta($: CheerioAPI): {
userData: any
token: string
} {
const $meta = $('meta[name="global-data"]')
if ($meta.length === 0 || !$meta.attr('content')) {
throw new Error('无效的用户密钥', {
cause: {
error: new TypeError('No global-data meta found'),
meta: $meta.prop('outerHTML'),
},
})
}

let meta: any
try {
meta = JSON.parse($meta.attr('content') as string)
} catch (error) {
throw new Error('解析元数据时出错', {
cause: {
error,
meta: $meta.attr('content'),
},
})
}

if (!meta.userData) {
throw new Error('无法获取登录状态', {
cause: {
error: new TypeError('userData is not defined'),
meta,
},
})
}

return {
userData: meta.userData,
token: meta.token || '',
}
}

function resolveNextData($: CheerioAPI): {
userData: any
token: string
} {
const $nextDataScript = $('script#__NEXT_DATA__')
if ($nextDataScript.length === 0) {
throw new Error('无法获取元数据', {
cause: {
error: new TypeError('No #__NEXT_DATA__ script found'),
meta: null,
},
})
}

let nextData: any
let perloadState: any
try {
nextData = JSON.parse($nextDataScript.text())
perloadState = JSON.parse(
nextData?.props?.pageProps?.serverSerializedPreloadedState
)
} catch (error) {
throw new Error('解析元数据时出错', {
cause: {
error,
meta: $nextDataScript.text(),
},
})
}

const userData = perloadState?.userData?.self
if (!userData) {
throw new Error('意料外的元数据', {
cause: {
error: new TypeError('userData is not defined'),
meta: nextData,
},
})
}

const token = perloadState?.api?.token || ''
return { userData, token }
}
26 changes: 13 additions & 13 deletions package.json
Original file line number Diff line number Diff line change
Expand Up @@ -19,50 +19,50 @@
},
"dependencies": {
"axios": "^1.7.9",
"date-fns": "^4.0.0",
"date-fns": "^4.1.0",
"date-fns-tz": "^3.2.0",
"fflate": "^0.8.2",
"gif.js": "^0.2.0",
"js-cookie": "^3.0.5",
"modern-mp4": "^0.2.0",
"naive-ui": "^2.40.4",
"naive-ui": "^2.41.0",
"nprogress": "^0.2.0",
"pinia": "^2.3.0",
"pinia": "^3.0.0",
"vue": "^3.5.13",
"vue-gtag": "^2.0.1",
"vue-i18n": "^11.0.1",
"vue-i18n": "^11.1.0",
"vue-router": "^4.5.0",
"vue-waterfall-plugin-next": "^2.6.4"
"vue-waterfall-plugin-next": "^2.6.5"
},
"devDependencies": {
"@dragon-fish/sensitive-words-filter": "^2.0.1",
"@iconify-json/fa-solid": "^1.2.1",
"@prettier/plugin-pug": "^3.2.0",
"@tabler/icons-vue": "^3.26.0",
"@tabler/icons-vue": "^3.29.0",
"@types/gif.js": "^0.2.5",
"@types/js-cookie": "^3.0.6",
"@types/lodash.escaperegexp": "^4.1.9",
"@types/node": "^22.10.2",
"@types/node": "^22.13.1",
"@types/nprogress": "^0.2.3",
"@vercel/node": "^5.0.0",
"@vercel/node": "^5.1.2",
"@vitejs/plugin-vue": "^5.2.1",
"@vue/language-plugin-pug": "^2.2.0",
"@vueuse/core": "^12.2.0",
"@vueuse/core": "^12.5.0",
"cheerio": "^1.0.0",
"conventional-changelog-cli": "^5.0.0",
"cookie": "^1.0.2",
"lodash.escaperegexp": "^4.1.2",
"picocolors": "^1.1.1",
"prettier": "^3.4.2",
"pug": "^3.0.3",
"sass": "^1.83.0",
"sass": "^1.84.0",
"tslib": "^2.8.1",
"typescript": "^5.7.2",
"typescript": "^5.7.3",
"unplugin-auto-import": "^19.0.0",
"unplugin-icons": "^22.0.0",
"unplugin-vue-components": "^28.0.0",
"vercel": "^39.2.2",
"vite": "^6.0.6"
"vercel": "^39.4.2",
"vite": "^6.1.0"
},
"packageManager": "pnpm@9.15.5"
}
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