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Mini Shell
<?php
namespace Laravel\Socialite\Two;
use GuzzleHttp\RequestOptions;
use Illuminate\Support\Arr;
class FacebookProvider extends AbstractProvider implements ProviderInterface
{
/**
* The base Facebook Graph URL.
*
* @var string
*/
protected $graphUrl = 'https://graph.facebook.com';
/**
* The Graph API version for the request.
*
* @var string
*/
protected $version = 'v3.3';
/**
* The user fields being requested.
*
* @var array
*/
protected $fields = ['name', 'email', 'gender', 'verified', 'link'];
/**
* The scopes being requested.
*
* @var array
*/
protected $scopes = ['email'];
/**
* Display the dialog in a popup view.
*
* @var bool
*/
protected $popup = false;
/**
* Re-request a declined permission.
*
* @var bool
*/
protected $reRequest = false;
/**
* The access token that was last used to retrieve a user.
*
* @var string|null
*/
protected $lastToken;
/**
* {@inheritdoc}
*/
protected function getAuthUrl($state)
{
return $this->buildAuthUrlFromBase('https://www.facebook.com/'.$this->version.'/dialog/oauth', $state);
}
/**
* {@inheritdoc}
*/
protected function getTokenUrl()
{
return $this->graphUrl.'/'.$this->version.'/oauth/access_token';
}
/**
* {@inheritdoc}
*/
public function getAccessTokenResponse($code)
{
$response = $this->getHttpClient()->post($this->getTokenUrl(), [
RequestOptions::FORM_PARAMS => $this->getTokenFields($code),
]);
$data = json_decode($response->getBody(), true);
return Arr::add($data, 'expires_in', Arr::pull($data, 'expires'));
}
/**
* {@inheritdoc}
*/
protected function getUserByToken($token)
{
$this->lastToken = $token;
$params = [
'access_token' => $token,
'fields' => implode(',', $this->fields),
];
if (! empty($this->clientSecret)) {
$params['appsecret_proof'] = hash_hmac('sha256', $token, $this->clientSecret);
}
$response = $this->getHttpClient()->get($this->graphUrl.'/'.$this->version.'/me', [
RequestOptions::HEADERS => [
'Accept' => 'application/json',
],
RequestOptions::QUERY => $params,
]);
return json_decode($response->getBody(), true);
}
/**
* {@inheritdoc}
*/
protected function mapUserToObject(array $user)
{
$avatarUrl = $this->graphUrl.'/'.$this->version.'/'.$user['id'].'/picture';
return (new User)->setRaw($user)->map([
'id' => $user['id'],
'nickname' => null,
'name' => $user['name'] ?? null,
'email' => $user['email'] ?? null,
'avatar' => $avatarUrl.'?type=normal',
'avatar_original' => $avatarUrl.'?width=1920',
'profileUrl' => $user['link'] ?? null,
]);
}
/**
* {@inheritdoc}
*/
protected function getCodeFields($state = null)
{
$fields = parent::getCodeFields($state);
if ($this->popup) {
$fields['display'] = 'popup';
}
if ($this->reRequest) {
$fields['auth_type'] = 'rerequest';
}
return $fields;
}
/**
* Set the user fields to request from Facebook.
*
* @param array $fields
* @return $this
*/
public function fields(array $fields)
{
$this->fields = $fields;
return $this;
}
/**
* Set the dialog to be displayed as a popup.
*
* @return $this
*/
public function asPopup()
{
$this->popup = true;
return $this;
}
/**
* Re-request permissions which were previously declined.
*
* @return $this
*/
public function reRequest()
{
$this->reRequest = true;
return $this;
}
/**
* Get the last access token used.
*
* @return string|null
*/
public function lastToken()
{
return $this->lastToken;
}
/**
* Specify which graph version should be used.
*
* @param string $version
* @return $this
*/
public function usingGraphVersion(string $version)
{
$this->version = $version;
return $this;
}
}
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