82 lines
3.1 KiB
Plaintext
82 lines
3.1 KiB
Plaintext
import { PayInfo, PayOptions, PayCallback, PayResult } from './interface.uts'
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let appId = ''
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let busy = false
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let sequence = 0
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// Host calls only after authenticated server reconciliation of the saved transaction.
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export function resetPending(): void {
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busy = false
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sequence += 1
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}
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export function configure(id: string): boolean {
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if (busy || id.trim().length == 0) return false
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appId = id
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return true
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}
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export function invoke(options: PayOptions, callback: PayCallback,
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nativePay: (payload: string, loading: boolean, done: (raw: string) => void) => void): void {
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if (busy) {
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const result: PayResult = { resultCode: '103', errorMsg: '已有支付正在进行，请勿重复点击', needsQuery: true }
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callback(result)
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return
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}
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let valid = false
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let payload: string = ''
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try {
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// Swift infers an optional from the generated PayInfo! property unless
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// the local type is explicit. Check before narrowing on both platforms.
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const candidate: PayInfo | null = options.payInfo
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if (candidate != null) {
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const info: PayInfo = candidate as PayInfo
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const values = new Array<string>(info.appid ?? '', info.partnerid ?? '', info.prepayid ?? '',
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info.package ?? '', info.noncestr ?? '', info.timestamp ?? '', info.sign ?? '')
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valid = appId.length > 0 && values[0] == appId && values[3] == 'Sign=DYPay'
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values.forEach((value: string) => { if (value.trim().length == 0) valid = false })
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if (!/^[0-9]{1,10}$/.test(values[5]) || values[4].length > 32) valid = false
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// UTS JSON.stringify returns string | null. Serialize before taking the
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// payment lock, and never pass a nullable value to a native String API.
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if (valid) {
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payload = JSON.stringify(info) ?? ''
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if (payload.length == 0) valid = false
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}
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}
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} catch (e) { valid = false }
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if (!valid) {
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const result: PayResult = { resultCode: '-1', errorMsg: '支付参数不完整或 AppID 不匹配，请重新下单', needsQuery: false }
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callback(result)
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return
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}
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busy = true
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sequence += 1
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const current = sequence
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const timer = setTimeout(() => {
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if (!busy || sequence != current) return
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busy = false
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sequence += 1
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const result: PayResult = { resultCode: '3', errorMsg: '支付结果等待超时，请查询订单，勿重复付款', needsQuery: true }
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callback(result)
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}, 300000)
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const complete = (raw: string): void => {
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if (!busy || sequence != current) return
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busy = false
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clearTimeout(timer)
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let result: PayResult = { resultCode: '3', errorMsg: '支付结果未知，请查询订单', needsQuery: true }
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try {
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const parsed = JSON.parseObject(raw)
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if (parsed != null) {
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result.resultCode = parsed.getString('resultCode') ?? '3'
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result.errorMsg = parsed.getString('errorMsg') ?? ''
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}
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} catch (e) { /* An invalid native result must never become a payment success. */ }
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callback(result)
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}
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try {
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nativePay(payload, options.showLoading ?? true, complete)
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} catch (e) {
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complete('{"resultCode":"2","errorMsg":"无法调用支付 SDK，请查询订单后重试"}')
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}
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}
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