145 lines
4.9 KiB
JavaScript
145 lines
4.9 KiB
JavaScript
/**
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* 沉默期强制延期拦截：当前资产有"沉默期已过期待延期"的套餐时，
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* 除首页（强制延期弹窗）、登录/授权、绑定手机号、延期与支付相关页面外，其他页面一律不能进入，
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* 统一引导到延期页。
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*/
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import { isSilenceReminderBlocking, pickSilenceReminder } from './silence.js';
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export const SILENCE_EXTENSION_PAGE = '/pages/silence-extension/silence-extension';
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// 不拦截的页面：登录授权、绑定手机号、首页（自带强制弹窗）、延期办理与支付相关页面
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export const SILENCE_GUARD_ALLOWED_PAGES = Object.freeze([
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'pages/index/index',
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'pages/login/login',
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'pages/auth/auth',
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'pages/error/error',
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'pages/bind/bind',
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'pages/silence-extension/silence-extension',
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'pages/silence-payment/silence-payment',
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'pages/silence-orders/silence-orders',
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'pages/silence-orders/detail',
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'pages/silence-records/silence-records',
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'pages/alipay-payment/alipay-payment'
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]);
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// 未被拦截的结果缓存时长；被拦截时每次都重新查询，延期完成后可立即放行
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const PASS_CACHE_MS = 5 * 60 * 1000;
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const NAVIGATION_METHODS = ['navigateTo', 'redirectTo', 'reLaunch', 'switchTab'];
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const CHECKED_FLAG = '__silenceGuardChecked';
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export const pagePathOf = (url) => String(url || '').split('?')[0].replace(/^\/+/, '');
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export const isSilenceGuardAllowed = (url) => SILENCE_GUARD_ALLOWED_PAGES.includes(pagePathOf(url));
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export const silenceExtensionUrl = (reminder) =>
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`${SILENCE_EXTENSION_PAGE}?package_usage_id=${reminder.packageUsageId}`;
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/**
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* 创建拦截器核心（依赖可注入，便于测试）。
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* deps.getSession(): { token, identifier }
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* deps.loadPackageHistory(identifier): Promise<{ items }>
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* deps.now(): number
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*/
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export const createSilenceGuard = ({ getSession, loadPackageHistory, now = () => Date.now() }) => {
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let passCache = null;
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let pending = null;
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const sessionKey = () => {
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const { token, identifier } = getSession();
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const id = String(identifier || '').trim();
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return token && id ? { key: `${token}|${id}`, identifier: id } : null;
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};
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/** 命中"未拦截"缓存时同步返回 true，可直接放行 */
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const isKnownPass = () => {
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const session = sessionKey();
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if (!session) return true;
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return !!passCache && passCache.key === session.key && now() - passCache.at < PASS_CACHE_MS;
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};
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/** 查询当前资产是否需要强制延期；返回需要延期的提醒，或 null（放行） */
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const resolveBlock = () => {
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const session = sessionKey();
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if (!session) return Promise.resolve(null);
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if (isKnownPass()) return Promise.resolve(null);
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if (pending?.key === session.key) return pending.promise;
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const promise = loadPackageHistory(session.identifier)
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.then((data) => {
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const reminder = pickSilenceReminder(data?.items, now());
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if (isSilenceReminderBlocking(reminder)) {
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passCache = null;
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return reminder;
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}
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passCache = { key: session.key, at: now() };
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return null;
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})
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.catch((error) => {
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// 查询失败不锁死用户，放行但不缓存，下次跳转再查
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console.error('沉默期拦截检查失败', error);
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return null;
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})
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.finally(() => {
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if (pending?.promise === promise) pending = null;
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});
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pending = { key: session.key, promise };
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return promise;
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};
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const reset = () => {
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passCache = null;
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pending = null;
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};
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return { isKnownPass, resolveBlock, reset };
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};
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const notifyBlocked = () => {
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uni.showToast({ title: '套餐沉默期已过期，请先办理延期', icon: 'none', duration: 2000 });
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};
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/**
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* 安装全局拦截：
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* 1. 拦截 navigateTo/redirectTo/reLaunch/switchTab：目标页不在白名单时先检查，需要延期则改去延期页；
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* 2. 页面显示时（直接打开链接、刷新、浏览器后退）再检查一次，需要延期则替换为延期页。
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*/
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export const installSilenceGuard = (app, guard) => {
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NAVIGATION_METHODS.forEach((method) => {
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uni.addInterceptor(method, {
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invoke(args) {
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if (args && args[CHECKED_FLAG]) {
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delete args[CHECKED_FLAG];
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return;
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}
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if (isSilenceGuardAllowed(args?.url) || guard.isKnownPass()) return;
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guard.resolveBlock().then((reminder) => {
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if (reminder) {
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notifyBlocked();
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uni.navigateTo({ url: silenceExtensionUrl(reminder) });
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return;
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}
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uni[method]({ ...args, [CHECKED_FLAG]: true });
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});
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return false;
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}
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});
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});
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app.mixin({
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onShow() {
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const route = this.$page?.route || this.route;
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if (!route || isSilenceGuardAllowed(route)) return;
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const known = guard.isKnownPass();
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if (known) return;
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uni.showLoading({ title: '加载中', mask: true });
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guard.resolveBlock().then((reminder) => {
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uni.hideLoading();
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const pages = getCurrentPages();
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const current = pages[pages.length - 1];
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if (!reminder || (current?.route && current.route !== route)) return;
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notifyBlocked();
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uni.redirectTo({ url: silenceExtensionUrl(reminder), [CHECKED_FLAG]: true });
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});
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}
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});
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};
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