<?php
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/*
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* This file is part of the overtrue/socialite.
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*
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* (c) overtrue <i@overtrue.me>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace Overtrue\Socialite\Providers;
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use Exception;
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use Overtrue\Socialite\AccessTokenInterface;
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use Overtrue\Socialite\ProviderInterface;
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use Overtrue\Socialite\User;
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/**
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* Class GitHubProvider.
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*/
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class GitHubProvider extends AbstractProvider implements ProviderInterface
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{
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/**
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* The scopes being requested.
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*
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* @var array
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*/
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protected $scopes = ['user:email'];
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/**
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* {@inheritdoc}
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*/
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protected function getAuthUrl($state)
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{
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return $this->buildAuthUrlFromBase('https://github.com/login/oauth/authorize', $state);
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}
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/**
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* {@inheritdoc}
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*/
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protected function getTokenUrl()
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{
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return 'https://github.com/login/oauth/access_token';
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}
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/**
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* {@inheritdoc}
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*/
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protected function getUserByToken(AccessTokenInterface $token)
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{
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$userUrl = 'https://api.github.com/user';
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$response = $this->getHttpClient()->get(
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$userUrl,
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$this->createAuthorizationHeaders($token)
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);
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$user = json_decode($response->getBody(), true);
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if (in_array('user:email', $this->scopes)) {
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$user['email'] = $this->getEmailByToken($token);
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}
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return $user;
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}
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/**
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* Get the email for the given access token.
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*
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* @param string $token
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*
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* @return string|null
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*/
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protected function getEmailByToken($token)
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{
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$emailsUrl = 'https://api.github.com/user/emails';
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try {
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$response = $this->getHttpClient()->get(
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$emailsUrl,
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$this->createAuthorizationHeaders($token)
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);
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} catch (Exception $e) {
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return;
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}
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foreach (json_decode($response->getBody(), true) as $email) {
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if ($email['primary'] && $email['verified']) {
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return $email['email'];
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function mapUserToObject(array $user)
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{
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return new User([
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'id' => $this->arrayItem($user, 'id'),
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'username' => $this->arrayItem($user, 'login'),
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'nickname' => $this->arrayItem($user, 'login'),
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'name' => $this->arrayItem($user, 'name'),
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'email' => $this->arrayItem($user, 'email'),
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'avatar' => $this->arrayItem($user, 'avatar_url'),
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]);
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}
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/**
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* Get the default options for an HTTP request.
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*
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* @param string $token
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*
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* @return array
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*/
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protected function createAuthorizationHeaders(string $token)
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{
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return [
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'headers' => [
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'Accept' => 'application/vnd.github.v3+json',
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'Authorization' => sprintf('token %s', $token),
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],
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];
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}
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}
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