initital commit

app/Middleware/Auth.ts

@@ -0,0 +1,71 @@
+import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
+import { AuthenticationException } from '@adonisjs/auth/build/standalone'
+
+/**
+ * Auth middleware is meant to restrict un-authenticated access to a given route
+ * or a group of routes.
+ *
+ * You must register this middleware inside `start/kernel.ts` file under the list
+ * of named middleware.
+ */
+export default class AuthMiddleware {
+  /**
+  * The URL to redirect to when request is Unauthorized
+  */
+  protected redirectTo = '/login'
+
+  /**
+   * Authenticates the current HTTP request against a custom set of defined
+   * guards.
+   *
+   * The authentication loop stops as soon as the user is authenticated using any
+   * of the mentioned guards and that guard will be used by the rest of the code
+   * during the current request.
+   */
+  protected async authenticate (auth: HttpContextContract['auth'], guards: any[]) {
+  	/**
+  	 * Hold reference to the guard last attempted within the for loop. We pass
+  	 * the reference of the guard to the "AuthenticationException", so that
+  	 * it can decide the correct response behavior based upon the guard
+  	 * driver
+  	 */
+  	let guardLastAttempted: string | undefined
+
+    for (let guard of guards) {
+    	guardLastAttempted = guard
+
+      if (await auth.use(guard).check()) {
+        /**
+         * Instruct auth to use the given guard as the default guard for
+         * the rest of the request, since the user authenticated
+         * succeeded here
+         */
+        auth.defaultGuard = guard
+        return true
+      }
+    }
+
+    /**
+     * Unable to authenticate using any guard
+     */
+    throw new AuthenticationException(
+      'Unauthorized access',
+      'E_UNAUTHORIZED_ACCESS',
+      guardLastAttempted,
+      this.redirectTo,
+    )
+  }
+
+  /**
+   * Handle request
+   */
+  public async handle ({ auth }: HttpContextContract, next: () => Promise<void>, customGuards: string[]) {
+    /**
+     * Uses the user defined guards or the default guard mentioned in
+     * the config file
+     */
+    const guards = customGuards.length ? customGuards : [auth.name]
+    await this.authenticate(auth, guards)
+    await next()
+  }
+}

app/Middleware/SilentAuth.ts

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+import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
+
+/**
+ * Silent auth middleware can be used as a global middleware to silent check
+ * if the user is logged-in or not.
+ *
+ * The request continues as usual, even when the user is not logged-in.
+ */
+export default class SilentAuthMiddleware {
+  /**
+   * Handle request
+   */
+  public async handle ({ auth }: HttpContextContract, next: () => Promise<void>) {
+    /**
+     * Check if user is logged-in or not. If yes, then `ctx.auth.user` will be
+     * set to the instance of the currently logged in user.
+     */
+    await auth.check()
+    await next()
+  }
+}