A plugin for Vue.js SPAs that protects routes depending on user role. Add your own authentication.
Check out the demo here.
$ npm i vue-router-user-rolesFirst create a Vue Router instance. It's best to do this in a dedicated file and export as a module e.g.
// router.js
import Vue from 'vue';
import VueRouter from 'vue-router';
Vue.use(VueRouter);
export default new VueRouter(...);Now you can add this plugin in your main file. You must pass in a router instance as an option router.
// main.js
import Vue from "vue";
import router from "./router";
import VueRouterUserRoles from "vue-router-user-roles";
Vue.use(VueRouterUserRoles, { router });To protect a route, add a permissions property to each route configuration object under the meta property.
Assign an array of objects to this, with each object defining the permissions for a different user role.
The three properties required for permissions objects are:
role- the user role being configured for this route.access- either a boolean, or function returning a boolean, that defines access for the user. A function will have access to two objects: theuserobject and the route being accessed.redirect- a route name you wish to redirect to if the user does not have access.
let opts = {
routes: [
{
path: "/protected",
name: "protected",
component: Protected,
meta: {
permissions: [
{
role: "guest",
access: false,
redirect: "login"
}
]
}
},
{
path: "/profile/:id",
name: "profile",
component: Profile,
meta: {
permissions: [
{
role: "registered",
access: (user, to) => user.id === to.params.id,
redirect: "login"
},
{
role: "guest",
access: false,
redirect: "login"
}
]
}
}
]
};
const router = new VueRouter(opts);A "user" is an object with one required property: role. Typically this would be set to a string e.g. "guest", "admin" etc.
You can add other properties to this object. You may want to do that if route access is determined by a function, since the function is passed this object. For example, you may create an id property that could be compared to a route parameter e.g /user/:id
Once the plugin is installed, you can access user from within your Vue instance or any component as this.$user.
You can set a user with the set method. Here's an example of setting the user before the first instance of Vue is created:
import Vue from "vue";
import App from "./App.vue";
import router from "./router";
import VueRouterUserRoles from "vue-router-user-roles";
Vue.use(VueRouterUserRoles, router);
// This would usually be an AJAX call to the server or a cookie check
// Let's assume the user hasn't logged in yet so they're a guest for now.
let authenticate = Promise.resolve({ role: "guest" });
authenticate.then(user => {
Vue.prototype.$user.set(user);
new Vue({
render: h => h(App),
router
}).$mount("#app");
});You'll probably set the user again during the lifecycle of the app. For example, a user may start as a guest, but once they're authenticated their role and permissions will change.
You can access user from within the app as this.$user e.g.
export default {
methods: {
logIn(username, password) {
authenticate("/api/user", { username, password })
.then(user => {
this.$user.set(Object.assign(user, { role: "registered" }));
});
},
logOut() {
this.$user.set({ role: "guest" });
}
}
}The user object is reactive, so each time you set the user, permissions will be reassessed and will potentially redirect the page if the user no longer has access to the current route.
The other API method available is get:
<template>
<div v-if="$user.get().role === 'guest'">...</div>
</template>Details changes for each release are documented in the CHANGELOG.md.
Please make sure to read the Issue Reporting Checklist before opening an issue. Issues not conforming to the guidelines may be closed immediately.
Please make sure to read the Contributing Guide before making a pull request.
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