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antis-ncc-admin/src/permission.js 3.2 KB
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  import router from './router'
  import store from './store'
  import { Message } from 'element-ui'
  import NProgress from 'nprogress' // progress bar
  import 'nprogress/nprogress.css' // progress bar style
  import { getToken, setToken } from '@/utils/auth'
  import getPageTitle from '@/utils/get-page-title'
  
  NProgress.configure({ showSpinner: false }) // NProgress Configuration
  
  const whiteList = ['/login', '/auth-redirect', '/jump'] // no redirect whitelist
  
  router.beforeEach(async (to, from, next) => {
    // start progress bar
    NProgress.start()
  
    // set page title
    document.title = getPageTitle(to.meta.title, to.meta.zhTitle)
  
    // determine whether the user has logged in
    const hasToken = getToken()
  
    if (hasToken) {
      if (store.getters.isLock && to.path !== '/lockScreen' && to.path !== '/login') {
        next({
          path: '/lockScreen'
        })
        NProgress.done()
      } else if (to.path === '/login') {
        // if is logged in, redirect to the home page
        next({
          path: '/'
        })
        NProgress.done()
      } else {
        if (to.path === '/home') {
          if (to.query.token) {
            store.commit('user/SET_TOKEN', to.query.token)
            setToken(to.query.token)
          }
        }
        const hasMenu = store.getters.menuList && store.getters.menuList.length > 0
        if (hasMenu) {
          next()
        } else {
          try {
            // get user info
            let res = await store.dispatch('user/getInfo')
            const accessRoutes = await store.dispatch('permission/generateRoutes', res)
            // dynamically add accessible routes
            router.addRoutes(accessRoutes)
            // hack method to ensure that addRoutes is complete
            // set the replace: true, so the navigation will not leave a history record
            next({
              ...to,
              replace: true
            })
          } catch (error) {
            // remove token and go to login page to re-login
            await store.dispatch('user/resetToken')
            if (error && typeof(error) == 'string') Message.error(error || 'Has Error')
            next(`/login?redirect=${to.path}`)
            NProgress.done()
          }
        }
      }
    } else {
      /* has no token*/
      if (whiteList.indexOf(to.path) !== -1) {
        // in the free login whitelist, go directly
        next()
      } else if (to.path === '/home') {
        if (to.query.token) {
          store.commit('user/SET_TOKEN', to.query.token)
          setToken(to.query.token)
          const hasMenu = store.getters.menuList && store.getters.menuList.length > 0
          if (hasMenu) {
            next()
          } else {
            try {
              let res = await store.dispatch('user/getInfo')
              const accessRoutes = await store.dispatch('permission/generateRoutes', res)
              router.addRoutes(accessRoutes)
              next('/home')
            } catch (error) {
              next(`/login`)
              NProgress.done()
            }
          }
        } else {
          next(`/login`)
          NProgress.done()
        }
      } else {
        // other pages that do not have permissionEle to access are redirected to the login page.
        next(`/login?redirect=${to.path}`)
        NProgress.done()
      }
    }
  })
  
  router.afterEach(() => {
    // finish progress bar
    NProgress.done()
  })