Provider.php

<?php

namespace SocialiteProviders\Yahoo;

use GuzzleHttp\RequestOptions;
use Illuminate\Support\Arr;
use SocialiteProviders\Manager\OAuth2\AbstractProvider;
use SocialiteProviders\Manager\OAuth2\User;

class Provider extends AbstractProvider
{
    public const IDENTIFIER = 'YAHOO';

    protected $scopes = ['openid2'];

    protected function getAuthUrl($state): string
    {
        $parseUrl = parse_url($this->redirectUrl);
        if (array_key_exists('scheme', $parseUrl) && array_key_exists('host', $parseUrl)) {
            $this->with(['openid2_realm' => $parseUrl['scheme'].'://'.$parseUrl['host']]);
        }

        return $this->buildAuthUrlFromBase('https://api.login.yahoo.com/oauth2/request_auth', $state);
    }

    protected function getTokenUrl(): string
    {
        return 'https://api.login.yahoo.com/oauth2/get_token';
    }

    /**
     * {@inheritdoc}
     */
    protected function getUserByToken($token)
    {
        $response = $this->getHttpClient()->get('https://api.login.yahoo.com/openid/v1/userinfo', [
            RequestOptions::HEADERS => [
                'Authorization' => 'Bearer '.$token,
            ],
        ]);

        return json_decode((string) $response->getBody(), true);
    }

    /**
     * Maps Yahoo object to User Object.
     *
     * Note: To have access to e-mail, you need to request "Profiles (Social Directory) - Read/Write Public and Private"
     * {@inheritdoc}
     */
    protected function mapUserToObject(array $user)
    {
        return (new User)->setRaw($user)->map([
            'id'       => Arr::get($user, 'sub'),
            'nickname' => Arr::get($user, 'nickname', Arr::get($user, 'sub')),
            'name'     => trim(sprintf('%s %s', Arr::get($user, 'given_name'), Arr::get($user, 'family_name'))),
            'email'    => Arr::get($user, 'email'),
            'avatar'   => Arr::get($user, 'picture'),
        ]);
    }
}