export function createPermissionGuard()

in streampark-console/streampark-console-webapp/src/router/guard/permissionGuard.ts [22:119]
74 lines of code
23 McCabe index (conditional complexity)

export function createPermissionGuard(router: Router) {
  const userStore = useUserStoreWithOut();
  const permissionStore = usePermissionStoreWithOut();
  router.beforeEach(async (to, from, next) => {
    if (
      from.path === ROOT_PATH &&
      to.path === PageEnum.BASE_HOME &&
      userStore.getUserInfo.homePath &&
      userStore.getUserInfo.homePath !== PageEnum.BASE_HOME
    ) {
      next(userStore.getUserInfo.homePath);
      return;
    }
    const token = userStore.getToken;
    // Whitelist can be directly entered
    if (whitePathList.includes(to.path as PageEnum)) {
      if (to.path === LOGIN_PATH && token) {
        const isSessionTimeout = userStore.getSessionTimeout;
        try {
          await userStore.afterLoginAction();
          if (!isSessionTimeout) {
            next((to.query?.redirect as string) || '/');
            return;
          }
        } catch {}
      }
      next();
      return;
    }

    // token does not exist
    if (!token) {
      // You can access without permission. You need to set the routing meta.ignoreAuth to true
      if (to.meta.ignoreAuth) {
        next();
        return;
      }

      // redirect login page
      const redirectData: { path: string; replace: boolean; query?: Recordable<string> } = {
        path: LOGIN_PATH,
        replace: true,
      };
      if (to.path) {
        redirectData.query = {
          ...redirectData.query,
          redirect: to.path,
        };
      }
      next(redirectData);
      return;
    }

    // Jump to the 404 page after processing the login
    if (
      from.path === LOGIN_PATH &&
      to.name === PAGE_NOT_FOUND_NAME &&
      to.fullPath !== (userStore.getUserInfo.homePath || PageEnum.BASE_HOME)
    ) {
      next(userStore.getUserInfo.homePath || PageEnum.BASE_HOME);
      return;
    }

    // get userinfo while last fetch time is empty
    // if (userStore.getLastUpdateTime === 0) {
    //   try {
    //     await userStore.getUserInfoAction();
    //   } catch (err) {
    //     next();
    //     return;
    //   }
    // }

    if (permissionStore.getIsDynamicAddedRoute) {
      next();
      return;
    }

    const [routes] = await permissionStore.buildRoutesAction();
    routes.forEach((route) => {
      router.addRoute(route as unknown as RouteRecordRaw);
    });

    router.addRoute(PAGE_NOT_FOUND_ROUTE as unknown as RouteRecordRaw);

    permissionStore.setDynamicAddedRoute(true);

    if (to.name === PAGE_NOT_FOUND_NAME) {
      // After dynamically adding the route, it should be redirected to fullPath here, otherwise the 404 page content will load
      next({ path: to.fullPath, replace: true, query: to.query });
    } else {
      const redirectPath = (from.query.redirect || to.path) as string;
      const redirect = decodeURIComponent(redirectPath);
      const nextData = to.path === redirect ? { ...to, replace: true } : { path: redirect };
      next(nextData);
    }
  });
}