import type { Router, RouteRecordRaw } from 'vue-router';
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import { usePermissionStoreWithOut } from '@/store/modules/permission';
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import { PageEnum } from '@/enums/pageEnum';
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import { useUserStoreWithOut } from '@/store/modules/user';
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import { PAGE_NOT_FOUND_ROUTE } from '@/router/routes/basic';
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import { RootRoute } from '@/router/routes';
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const LOGIN_PATH = PageEnum.BASE_LOGIN;
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const ROOT_PATH = RootRoute.path;
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const whitePathList: PageEnum[] = [LOGIN_PATH];
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export function createPermissionGuard(router: Router) {
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const userStore = useUserStoreWithOut();
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const permissionStore = usePermissionStoreWithOut();
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router.beforeEach(async (to, from, next) => {
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if (
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from.path === ROOT_PATH &&
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to.path === PageEnum.BASE_HOME &&
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userStore.getUserInfo.homePath &&
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userStore.getUserInfo.homePath !== PageEnum.BASE_HOME
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) {
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next(userStore.getUserInfo.homePath);
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return;
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}
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const token = userStore.getToken;
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// Whitelist can be directly entered
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if (whitePathList.includes(to.path as PageEnum)) {
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if (to.path === LOGIN_PATH && token) {
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const isSessionTimeout = userStore.getSessionTimeout;
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try {
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await userStore.afterLoginAction();
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if (!isSessionTimeout) {
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next(decodeURIComponent((to.query?.redirect as string) || '/'));
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return;
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}
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} catch {
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//
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}
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}
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next();
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return;
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}
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// token or user does not exist
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if (!token) {
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// You can access without permission. You need to set the routing meta.ignoreAuth to true
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if (to.meta.ignoreAuth) {
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next();
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return;
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}
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// redirect login page
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const redirectData: { path: string; replace: boolean; query?: Recordable<string> } = {
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path: LOGIN_PATH,
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replace: true,
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};
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if (to.fullPath) {
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redirectData.query = {
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...redirectData.query,
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redirect: to.fullPath,
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};
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}
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next(redirectData);
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return;
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}
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// get userinfo while last fetch time is empty
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if (userStore.getLastUpdateTime === 0) {
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try {
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await userStore.getUserInfoAction();
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} catch (err) {
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next();
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return;
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}
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}
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// 动态路由加载（首次）
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if (!permissionStore.getIsDynamicAddedRoute) {
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const routes = await permissionStore.buildRoutesAction();
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[...routes, PAGE_NOT_FOUND_ROUTE].forEach((route) => {
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router.addRoute(route as unknown as RouteRecordRaw);
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});
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// 记录动态路由加载完成
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permissionStore.setDynamicAddedRoute(true);
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// 现在的to动态路由加载之前的，可能为PAGE_NOT_FOUND_ROUTE（例如，登陆后，刷新的时候）
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// 此处应当重定向到fullPath，否则会加载404页面内容
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next({ path: to.fullPath, replace: true, query: to.query });
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return;
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}
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if (to.name === PAGE_NOT_FOUND_ROUTE.name) {
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// 遇到不存在页面，后续逻辑不再处理redirect（阻止下面else逻辑）
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from.query.redirect = '';
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if (
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from.path === LOGIN_PATH &&
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to.fullPath !== (userStore.getUserInfo.homePath || PageEnum.BASE_HOME)
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) {
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// 登陆重定向不存在路由，转去“首页”
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next({ path: userStore.getUserInfo.homePath || PageEnum.BASE_HOME, replace: true });
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} else {
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// 正常前往“404”页面
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next();
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}
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} else if (from.query.redirect) {
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// 存在redirect
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const redirect = decodeURIComponent((from.query.redirect as string) || '');
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// 只处理一次 from.query.redirect
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// 也避免某场景（指向路由定义了 redirect）下的死循环
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from.query.redirect = '';
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if (redirect === to.fullPath) {
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// 已经被redirect
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next();
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} else {
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// 指向redirect
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next({ path: redirect, replace: true });
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}
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} else {
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// 正常访问
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next();
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}
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});
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}
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