1import NextAuth from 'next-auth';
 2import CredentialsProvider from 'next-auth/providers/credentials';
 3import GoogleProvider from 'next-auth/providers/google';
 4
 5const STRAPI_URL = 'http://localhost:1337';
 6
 7const authHandler = NextAuth({
 8  providers: [
 9    CredentialsProvider({
10      name: 'Strapi',
11      credentials: {
12        email: {label: 'Email', type: 'text'},
13        password: {label: 'Password', type: 'password'},
14      },
15      async authorize(credentials, req) {
16        const response = await fetch(`${STRAPI_URL}/api/auth/local`, {
17          method: 'POST',
18          headers: {'Content-Type': 'application/json'},
19          body: JSON.stringify({
20            identifier: credentials.email,
21            password: credentials.password,
22          }),
23        });
24        const data = await response.json();
25        if (data?.error?.message === 'Your account email is not confirmed')
26          throw new Error('EmailNotConfirmed');
27        else if (!data?.jwt) return null;
28        else {
29          const {user, jwt} = data;
30          return {...user, jwt};
31        }
32      },
33    }),
34    GoogleProvider({
35      clientId: process.env.GOOGLE_CLIENT_ID,
36      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
37    }),
38  ],
39  session: {
40    jwt: true,
41  },
42  callbacks: {
43    jwt: async params => {
44      const {token, user, account} = params;
45
46      // Google Auth
47      if (account?.provider === 'google') {
48        const strapiUrl = 'http://localhost:1337';
49        const response = await fetch(
50          `${STRAPI_URL}/api/auth/${account.provider}/callback?access_token=${account?.access_token}`
51        );
52        const data = await response.json();
53        token.id = data.user.id;
54        token.jwt = data.jwt;
55        token.email = data.user.email;
56        token.username = data.user.firstname;
57        token.lang = data.user.lang?.toLowerCase();
58        token.provider = account.provider;
59        token.userCreatedAt = data.user.createdAt;
60      }
61
62      // Strapi Auth
63      else if (user) {
64        token.id = user.id;
65        token.jwt = user.jwt;
66        token.email = user.email;
67        token.username = user.firstname;
68        token.lang = user.lang?.toLowerCase();
69        token.provider = account.provider;
70        token.userCreatedAt = user.createdAt;
71      }
72
73      return token;
74    },
75    session: async params => {
76      const {session, token} = params;
77      if (session) {
78        session.token = token;
79        session.user.name = token.username;
80        session.user.lang = token.lang;
81      }
82      return session;
83    },
84  },
85  pages: {
86    signIn: '/auth/login',
87    error: '/auth/login',
88  },
89});
90
91export default async function handler(...params) {
92  await authHandler(...params);
93}