https://github.com/sidebase/nuxt-auth/issues/721

starters/authjs-github/nuxt.config.ts

@@ -6,6 +6,30 @@ export default defineNuxtConfig({
     '@sidebase/nuxt-auth'
   ],
   auth: {
+    // @zoey-kaiser STEP_1: I've added github as defaultprovider.
+    // According to the documentation:
+
+    // Select the default-provider to use when signIn is called. Setting this
+    // here will also affect the global middleware behavior. For instance, when
+    // you set it to github and the user is unauthorized, they will be directly
+    // forwarded to the Github OAuth page instead of seeing the app-login page.
+
+    // @zoey-kaiser: OBSERVED BEHAVIOR: Clicking on a secured page with the defaultProvider
+    // correctly bypasses the app-login page. However, navigating directly to the page
+    // results in the "bug" described.
+
+    // Since I want my entire application to be behind authentication, my app
+    // always redirects to the app-login page. This also leads to the following ERROR:
+
+    // [nuxt] [request error] [unhandled] [500] The first argument must be of type string
+    // or an instance of Buffer, ArrayBuffer, Array, or an Array-like Object. Received
+    // an instance of URLSearchParams
+
+    provider: {
+      type: 'authjs',
+      defaultProvider: 'github',
+    },
+
     globalAppMiddleware: {
       isEnabled: true,
       allow404WithoutAuth: true,

starters/authjs-github/server/api/auth/[...].ts

@@ -4,38 +4,61 @@ import { NuxtAuthHandler } from '#auth'
 
 export default NuxtAuthHandler({
   secret: process.env.AUTH_SECRET,
-  pages: {
-    signIn: '/auth/signin'
-  },
+  // @zoey-kaiser STEP_2: I've disabled the custom sign in page.
+  // According to the documentation:
+
+  // Select the default-provider to use when signIn is called. Setting this
+  // here will also affect the global middleware behavior. For instance, when
+  // you set it to github and the user is unauthorized, they will be directly
+  // forwarded to the Github OAuth page instead of seeing the app-login page.
+
+  // @zoey-kaiser: OBSERVED BEHAVIOR: Clicking on a secured page with the defaultProvider
+  // correctly bypasses the app-login page. However, navigating directly to the page
+  // results in the "bug" described.
+
+  // Since I want my entire application to be behind authentication, my app
+  // always redirects to the app-login page. This also leads to the following ERROR:
+
+  // [nuxt] [request error] [unhandled] [500] The first argument must be of type string
+  // or an instance of Buffer, ArrayBuffer, Array, or an Array-like Object. Received
+  // an instance of URLSearchParams
+
+  // pages: {
+  //   signIn: '/auth/signin'
+  // },
+
   providers: [
     // @ts-expect-error You need to use .default here for it to work during SSR. May be fixed via Vite at some point
     GithubProvider.default({
       clientId: process.env.GITHUB_CLIENT_ID,
       clientSecret: process.env.GITHUB_CLIENT_SECRET
     }),
-    // @ts-expect-error You need to use .default here for it to work during SSR. May be fixed via Vite at some point
-    CredentialsProvider.default({
-      name: 'Credentials',
-      credentials: {
-        email: { label: 'Email', type: 'text', placeholder: '(hint: [email protected])' },
-        password: { label: 'Password', type: 'password', placeholder: '(hint: hunter2)' },
-      },
-      authorize(credentials: any) {
-        console.warn('ATTENTION: You should replace this with your real providers or credential provider logic! The current setup is not safe')
-        const user = {
-          name: 'J Smith',
-          email: '[email protected]',
-        }
 
-        if (credentials?.email === user.email && credentials?.password === 'hunter2') {
-          return user
-        }
-        else {
-          console.error('Warning: Malicious login attempt registered, bad credentials provided')
-          return null
-        }
-      },
-    }),
+    // @zoey-kaiser: This change doesn’t impact the observed behavior, but I’ve disabled
+    // the local provider for now.
+
+    // CredentialsProvider.default({
+    //   name: 'Credentials',
+    //   credentials: {
+    //     email: { label: 'Email', type: 'text', placeholder: '(hint: [email protected])' },
+    //     password: { label: 'Password', type: 'password', placeholder: '(hint: hunter2)' },
+    //   },
+    //   authorize(credentials: any) {
+    //     console.warn('ATTENTION: You should replace this with your real providers or credential provider logic! The current setup is not safe')
+    //     const user = {
+    //       name: 'J Smith',
+    //       email: '[email protected]',
+    //     }
+
+    //     if (credentials?.email === user.email && credentials?.password === 'hunter2') {
+    //       return user
+    //     }
+    //     else {
+    //       console.error('Warning: Malicious login attempt registered, bad credentials provided')
+    //       return null
+    //     }
+    //   },
+    // }),
   ],
   callbacks: {
     session({ session }) {