feat: nextauth v4に対応

.node-version

@@ -0,0 +1 @@
+24.12.0

README.md

@@ -26,10 +26,10 @@
 
 mainブランチの最新のコードで動作している<a href="https://main.d3s7y579k91bnt.amplifyapp.com/" target="_blank" rel="noopener noreferrer">デモ</a>を公開しています。
 
-## 推奨動作環境
+## 確認済動作環境
 
-- Node.js: v18.16.0
-- yarn: 1.22.19
+- Node.js: v24.12.0
+- yarn: 1.22.22
 - 推奨ブラウザ: Chrome
 
 ## セットアップと実行

components/UserIcon.tsx

@@ -1,6 +1,6 @@
 import { useCallback, useState } from 'react';
 import { useRouter } from 'next/router';
-import { signOut } from 'next-auth/client';
+import { signOut } from 'next-auth/react';
 import styled from 'styled-components';
 
 type IconProps = {

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "sippo-vroidsdk-test2",
+  "name": "vroid-hub-api-example",
   "version": "0.1.0",
   "private": true,
   "scripts": {
@@ -22,14 +22,18 @@
     "@types/three": "^0.153.0",
     "eslint": "^8.42.0",
     "eslint-config-next": "13.4.4",
+    "jsonwebtoken": "^9.0.2",
+    "jwa": "^1.4.2",
+    "jws": "^3.2.2",
     "next": "13.4.4",
-    "next-auth": "3",
+    "next-auth": "4.24.13",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-use": "^17.4.0",
     "styled-components": "^6.0.5",
     "three": "^0.154.0",
-    "typescript": "^5.1.6"
+    "typescript": "^5.1.6",
+    "yarn": "^1.22.22"
   },
   "lint-staged": {
     "*.{ts,tsx}": [

pages/_app.tsx

@@ -1,4 +1,4 @@
-import { Provider } from 'next-auth/client';
+import { SessionProvider } from 'next-auth/react';
 import { ThemeProvider, createGlobalStyle } from 'styled-components';
 import { light } from '@charcoal-ui/theme';
 import { CharcoalProvider, OverlayProvider, SSRProvider } from '@charcoal-ui/react';
@@ -14,7 +14,7 @@ export default function App({ Component, pageProps }) {
         <meta property="og:title" content="VRoid Hub API Example" />
         <meta property="og:description" content="Simple example of VRoid Hub API" />
       </Head>
-      <Provider session={pageProps.session}>
+      <SessionProvider session={pageProps.session}>
         <SSRProvider>
           <CharcoalProvider themeMap={{ ':root': light }}>
             <OverlayProvider>
@@ -25,7 +25,7 @@ export default function App({ Component, pageProps }) {
             </OverlayProvider>
           </CharcoalProvider>
         </SSRProvider>
-      </Provider>
+      </SessionProvider>
     </>
   );
 }

pages/api/auth/[...nextauth].ts

@@ -1,27 +1,56 @@
-import NextAuth, { Account, Profile, User } from 'next-auth';
+import NextAuth from 'next-auth';
 
 export default NextAuth({
   providers: [
     {
-      // The name to display on the sign in form (e.g. 'Sign in with...')
       id: 'vroid',
       name: 'VRoidHub',
-      type: 'oauth',
       version: '2.0',
-      scope: 'default',
-      protection: ['state', 'pkce'],
-      params: { grant_type: 'authorization_code' },
-      accessTokenUrl: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/oauth/token`,
-      requestTokenUrl: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/oauth/token`,
-      authorizationUrl: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/authorize/confirm?response_type=code`,
-      profileUrl: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/api/account`,
-      headers: {
-        'X-Api-Version': 11,
+      type: 'oauth',
+      authorization: {
+        url: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/authorize/confirm?response_type=code`,
+        params: { scope: 'default' }
+      },
+      token: {
+        // v4でheadersを付与する場合独自拡張が必要になった https://next-auth.js.org/configuration/providers/oauth#token-option
+        url: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/oauth/token`,
+        params: { grant_type: 'authorization_code' },
+        async request({ params, client, checks }) {
+          const response = await fetch(
+            `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/oauth/token`, {
+              headers: {
+                'X-Api-Version': '11' // VRoidHubAPI独自
+              },
+              method: 'POST',
+              body: new URLSearchParams({
+                ...params,
+                client_id: client.client_id as string,
+                client_secret: client.client_secret as string,
+                grant_type: 'authorization_code',
+                code_verifier: checks.code_verifier as string,
+                redirect_uri: client.redirect_uris[0],
+              })
+            },
+          )
+
+          return { tokens: await response.json() };
+        }
+      },
+      userinfo: {
+        url: `${process.env.NEXT_PUBLIC_VROID_HUB_URL}/api/account`,
+        async request({ tokens }) {
+          const response = await fetch(`${process.env.NEXT_PUBLIC_VROID_HUB_URL}/api/account`, {
+            headers: {
+              'Authorization': `${tokens.token_type} ${tokens.access_token}`,
+              'X-Api-Version': '11', // VRoidHubAPI独自
+            }
+          });
+
+          return await response.json();
+        },
       },
-      async profile(profile: any, tokens) {
-        // You can use the tokens, in case you want to fetch more profile information
-        // For example several OAuth providers do not return email by default.
-        // Depending on your provider, will have tokens like `access_token`, `id_token` and or `refresh_token`
+      checks: ['pkce', 'state'],
+      async profile(profile: any) {
         return {
           id: profile.data.user_detail.user.id,
           name: profile.data.user_detail.user.name,
@@ -32,25 +61,18 @@ export default NextAuth({
       clientSecret: process.env.CLIENT_SECRET,
     },
   ],
-  secret: process.env.NEXT_PUBLIC_NEXTAUTH_SECRET,
   callbacks: {
-    async jwt(token, user, account, profile, isNewUser) {
-      if (account?.accessToken) {
-        token.accessToken = account.access_token;
-      }
-      if (profile) {
-        token.id = profile.id;
+    async jwt({ token, account }) {
+      if (account?.access_token) {
+        token.accessToken = account?.access_token;
       }
+
       return token;
     },
 
-    async session(session, token) {
+    async session({ session, token }) {
       session.accessToken = token.accessToken;
       return session;
     },
-
-    async signIn(user: User, account: Account, profile: Profile) {
-      return true;
-    },
-  },
+  }
 });

pages/api/vroid/models/account.ts

@@ -1,4 +1,4 @@
-import { getSession } from 'next-auth/client';
+import { getSession } from 'next-auth/react';
 import type { CharacterModelCollectionResponse, CharacterModelSerializer } from '@/types/Response';
 import { NextApiRequest, NextApiResponse } from 'next';
 import { vroidHubApi } from '@/lib/vroid-hub-api';
@@ -36,4 +36,4 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
   resJson.data = apiResJson.data;
 
   return res.status(200).json(resJson);
-}
+}

pages/api/vroid/models/hearts.ts

@@ -1,5 +1,5 @@
-import { getSession } from 'next-auth/client';
-import type { CharacterModelCollectionResponse, CharacterModelSerializer } from '@/types/Response';
+import { getSession } from 'next-auth/react';
+import { CharacterModelCollectionResponse, CharacterModelSerializer } from '../../../../types/Response';
 import { NextApiRequest, NextApiResponse } from 'next';
 import { vroidHubApi } from '@/lib/vroid-hub-api';
 

pages/api/vroid/models/staff_picks.ts

@@ -1,5 +1,5 @@
-import { getSession } from 'next-auth/client';
 import type { CharacterModelSerializer, HeartCollectionResponse } from '@/types/Response';
+import { getSession } from 'next-auth/react';
 import { NextApiRequest, NextApiResponse } from 'next';
 import { vroidHubApi } from '@/lib/vroid-hub-api';
 

pages/api/vroid/vrm.ts

@@ -1,4 +1,4 @@
-import { getSession } from 'next-auth/client';
+import { getSession } from 'next-auth/react';
 import type { NextApiRequest, NextApiResponse } from 'next';
 import { fetchVRMModel } from '../../../lib/vroid-hub-api';
 

pages/index.tsx

@@ -1,4 +1,5 @@
-import { signIn, useSession } from 'next-auth/client';
+import { signIn, useSession } from 'next-auth/react';
+
 import React, { useCallback, useState } from 'react';
 import { useAsync } from 'react-use';
 import { useRouter } from 'next/router';
@@ -15,7 +16,7 @@ type ModelsListState = {
 };
 
 export default function Index() {
-  const [session] = useSession();
+  const { data: session } = useSession()
   const router = useRouter();
 
   //　ユーザーが保持しているモデルの一覧

types/next-auth.d.ts

@@ -1,3 +1,28 @@
 import NextAuth from 'next-auth';
+import { DefaultSession } from "next-auth";
+import { JWT } from "next-auth/jwt";
+
+declare module "next-auth" {
+  interface Session {
+    accessToken?: string;
+  }
+
+  interface OAuthConfig {
+    scope?: string;
+    params: {
+      grant_type: 'string'
+    }
+  }
+
+  interface Profile {
+    id?: string;
+    scope?: string;
+  }
+}
+
+declare module "next-auth/jwt" {
+  interface JWT {
+    accessToken?: string;
+  }
+}
 
-declare module 'next-auth' {}