73 lines
1.9 KiB
TypeScript
73 lines
1.9 KiB
TypeScript
import request from '@/utils/http'
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type ExchangeResult = {
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token: string
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refreshToken: string
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expiresIn: number
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userInfo: Api.Auth.UserInfo
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}
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const SS_PREFIX = 'mp_wv_ex:'
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/** 同一 ticket 只兑换一次，避免 Shell 重复挂载 / web-view 二次加载把一次性票用掉 */
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const exchangeInflight = new Map<string, Promise<ExchangeResult>>()
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const exchangeDone = new Map<string, ExchangeResult>()
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function readSessionCache(key: string): ExchangeResult | null {
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if (typeof sessionStorage === 'undefined') return null
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try {
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const raw = sessionStorage.getItem(SS_PREFIX + key)
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if (!raw) return null
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const data = JSON.parse(raw) as ExchangeResult
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if (!data?.token || !data?.refreshToken) return null
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return data
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} catch {
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return null
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}
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}
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function writeSessionCache(key: string, data: ExchangeResult) {
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if (typeof sessionStorage === 'undefined') return
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try {
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sessionStorage.setItem(SS_PREFIX + key, JSON.stringify(data))
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} catch {
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/* quota / private mode */
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}
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}
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export const mpWebviewApi = {
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exchange: (ticket: string) => {
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const key = String(ticket || '').trim()
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if (!key) {
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return Promise.reject(new Error('ticket不能为空'))
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}
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const mem = exchangeDone.get(key)
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if (mem) return Promise.resolve(mem)
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const ss = readSessionCache(key)
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if (ss) {
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exchangeDone.set(key, ss)
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return Promise.resolve(ss)
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}
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const pending = exchangeInflight.get(key)
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if (pending) return pending
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const req = request
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.post<ExchangeResult>({
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url: '/web/auth/mp-webview-exchange',
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data: { ticket: key },
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showErrorMessage: false
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})
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.then((data) => {
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exchangeDone.set(key, data)
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writeSessionCache(key, data)
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exchangeInflight.delete(key)
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return data
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})
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.catch((err) => {
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exchangeInflight.delete(key)
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throw err
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})
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exchangeInflight.set(key, req)
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return req
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}
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}
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