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/*
* Copyright (c) 2021 AtLarge Research
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import PropTypes from 'prop-types'
import { Auth0Provider, useAuth0 } from '@auth0/auth0-react'
import { useEffect } from 'react'
import { auth } from './config'
/**
* Helper function to provide the authentication context in case Auth0 is not
* configured and the user is anonymous.
*/
function useAnonymousAuth() {
return {
isAnonymous: true,
isAuthenticated: false,
isLoading: false,
logout: () => {},
loginWithRedirect: () => {},
}
}
/**
* Determine whether the auth domain is anonymous.
*/
function isAnonymousDomain(config) {
return !config.domain || config.domain === '%%NEXT_PUBLIC_AUTH0_DOMAIN%%'
}
/**
* Force the user to be authenticated or redirect to the homepage.
*/
function useRequireAuth0() {
const auth = useAuth0()
const { loginWithRedirect, isLoading, isAuthenticated } = auth
useEffect(() => {
if (!isLoading && !isAuthenticated) {
loginWithRedirect()
}
}, [loginWithRedirect, isLoading, isAuthenticated])
}
/**
* Obtain the authentication context.
*/
export const useAuth = isAnonymousDomain(auth) ? useAnonymousAuth : useAuth0
/**
* Force the user to be authenticated or redirect to the homepage.
*/
export const useRequireAuth = isAnonymousDomain(auth) ? () => {} : useRequireAuth0
/**
* AuthProvider which provides an authentication context.
*/
export function AuthProvider({ children }) {
const authConfig = auth
if (!isAnonymousDomain(authConfig)) {
return (
<Auth0Provider
domain={authConfig.domain}
clientId={authConfig.clientId}
redirectUri={authConfig.redirectUri}
audience={authConfig.audience}
>
{children}
</Auth0Provider>
)
}
return children
}
AuthProvider.propTypes = {
children: PropTypes.node,
}
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