Obtaining the Auth0 User object within getServerSideProps function

Question

Obtaining the Auth0 User object within getServerSideProps function

I'm currently working on integrating Auth0 with NextJS for user authentication. My goal is to access the user object in getServerSideProps after the user logs in. I tried following the instructions from this link,

Stackoverflow but encountered a typescript error when trying to implement the code. Below, you can find the code snippet along with the error message. Any insights on how to resolve this issue would be greatly appreciated.

import { withPageAuthRequired } from '@auth0/nextjs-auth0';

  export default withPageAuthRequired(function Profile({ user, newData }) {
    return (
      <>
        <div>{user.name}</div>
      </>
     )
   });

  export const getServerSideProps = withPageAuthRequired({ 

    async getServerSideProps (context){
      return {
         props: {
           newData: "user"
         }
       }
     }
   });

Error Code:

{
   "resource": "/Users/username/Downloads/proj/projectname/pages/profile.tsx",
   "owner": "typescript",
   "code": "2345",
   "severity": 8,
   "message": "Argument of type '{ getServerSideProps(context: any): Promise<{ props: { newData: string; }; }>; }' is not assignable to parameter of type 'ComponentType<WithPageAuthRequiredProps>'.\n  Object literal may only specify known properties, and 'getServerSideProps' does not exist in type 'ComponentType<WithPageAuthRequiredProps>'.",
   "source": "ts",
   "startLineNumber": 73,
   "startColumn": 11,
   "endLineNumber": 73,
   "endColumn": 29
}

Screenshot: https://i.sstatic.net/y2s8f.png

javascript typescript next.js server-side-rendering auth0

Answer 1

Answer №1

Take a look at this example provided here.

After reviewing the example:

import { getSession, withPageAuthRequired } from '@auth0/nextjs-auth0';

export default function ProtectedPage({user}) {
  return (
    <>
      <div>{user.name}</div>
    </>
  )
});

export const getServerSideProps = withPageAuthRequired({
  //returnTo: '/foo',
  async getServerSideProps(ctx) {
    const session = getSession(ctx.req, ctx.res);
    //check backend console for tokens
    console.log(session);
    return {props: {
      customProp: 'bar'
    }};
  }
});

Note the distinction between getSession and {user}: you can set up actions like redirects within getServerSideProps. What does this imply? It means that you have the ability to redirect users without access to a designated page, such as a custom 404 error page.

P.S. remember to use ctx instead of context.

Answer 2

Take a look at this example provided here.

After reviewing the example:

import { getSession, withPageAuthRequired } from '@auth0/nextjs-auth0';

export default function ProtectedPage({user}) {
  return (
    <>
      <div>{user.name}</div>
    </>
  )
});

export const getServerSideProps = withPageAuthRequired({
  //returnTo: '/foo',
  async getServerSideProps(ctx) {
    const session = getSession(ctx.req, ctx.res);
    //check backend console for tokens
    console.log(session);
    return {props: {
      customProp: 'bar'
    }};
  }
});

Note the distinction between getSession and {user}: you can set up actions like redirects within getServerSideProps. What does this imply? It means that you have the ability to redirect users without access to a designated page, such as a custom 404 error page.

P.S. remember to use ctx instead of context.

Answer 3

Answer №2

To implement the getServerSideProps, you only need to wrap it in your code. Here is a sample that I successfully used:

import React, { ReactElement } from 'react';
import { getSession, withPageAuthRequired } from '@auth0/nextjs-auth0';

import db from '.';

interface Props {
  user: DbUser;   // This pertains to the database user
}

export default function Profile({ dbUser }: Props) {
  return <div>{JSON.stringify(dbUser, null, 2)}</div>;
};


export const getServerSideProps = withPageAuthRequired({
  getServerSideProps: async ({ req, res }) => {
    const auth0User = getSession(req, res);

    // Retrieve the user information from the database based on email
    let user = await db.user.findUnique({ where: { email: auth0User?.user.email } });

    // Consider moving the user creation process elsewhere like afterCallback
    // Refer to https://auth0.github.io/nextjs-auth0/modules/handlers_callback.html for more details
    if (!user) {
      user = db.user.create(auth0User?.user);
    } 

    return {
      props: {
        dbUser: user,
      },
    };
  },
});

Answer 4

To implement the getServerSideProps, you only need to wrap it in your code. Here is a sample that I successfully used:

import React, { ReactElement } from 'react';
import { getSession, withPageAuthRequired } from '@auth0/nextjs-auth0';

import db from '.';

interface Props {
  user: DbUser;   // This pertains to the database user
}

export default function Profile({ dbUser }: Props) {
  return <div>{JSON.stringify(dbUser, null, 2)}</div>;
};


export const getServerSideProps = withPageAuthRequired({
  getServerSideProps: async ({ req, res }) => {
    const auth0User = getSession(req, res);

    // Retrieve the user information from the database based on email
    let user = await db.user.findUnique({ where: { email: auth0User?.user.email } });

    // Consider moving the user creation process elsewhere like afterCallback
    // Refer to https://auth0.github.io/nextjs-auth0/modules/handlers_callback.html for more details
    if (!user) {
      user = db.user.create(auth0User?.user);
    } 

    return {
      props: {
        dbUser: user,
      },
    };
  },
});

Obtaining the Auth0 User object within getServerSideProps function

Answer №1

Answer №2

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