14a09168
 Alex Savenko
init commit
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<?php
/**
* FacebookOAuth2Service class file.
*
* Register application: https://developers.facebook.com/apps/
*
* @author Maxim Zemskov <nodge@yandex.ru>
* @link http://github.com/Nodge/yii2-eauth/
* @license http://www.opensource.org/licenses/bsd-license.php
*/
namespace common\components\nodge\eauth\src\services;
use nodge\eauth\oauth2\Service;
/**
* Facebook provider class.
*
* @package application.extensions.eauth.services
*/
class FacebookOAuth2Service extends Service
{
/**
* Full list of scopes may be found here:
* https://developers.facebook.com/docs/authentication/permissions/
*/
const SCOPE_EMAIL = 'email';
const SCOPE_USER_BIRTHDAY = 'user_birthday';
const SCOPE_USER_HOMETOWN = 'user_hometown';
const SCOPE_USER_LOCATION = 'user_location';
const SCOPE_USER_PHOTOS = 'user_photos';
protected $name = 'facebook';
protected $title = 'Facebook';
protected $type = 'OAuth2';
protected $jsArguments = ['popup' => ['width' => 585, 'height' => 290]];
protected $scopes = [];
protected $providerOptions = [
'authorize' => 'https://www.facebook.com/dialog/oauth',
'access_token' => 'https://graph.facebook.com/oauth/access_token',
];
protected $baseApiUrl = 'https://graph.facebook.com/';
protected $errorParam = 'error_code';
protected $errorDescriptionParam = 'error_message';
protected function fetchAttributes()
{
$info = $this->makeSignedRequest('me');
$this->attributes['id'] = $info['id'];
$this->attributes['name'] = $info['name'];
$this->attributes['url'] = $info['link'];
return true;
}
/**
* @return array
*/
public function getAccessTokenArgumentNames()
{
$names = parent::getAccessTokenArgumentNames();
$names['expires_in'] = 'expires';
return $names;
}
/**
* @param string $response
* @return array
*/
public function parseAccessTokenResponse($response)
{
// Facebook gives us a query string or json
if ($response[0] === '{') {
return json_decode($response, true);
}
else {
parse_str($response, $data);
return $data;
}
}
/**
* Returns the error array.
*
* @param array $response
* @return array the error array with 2 keys: code and message. Should be null if no errors.
*/
protected function fetchResponseError($response)
{
if (isset($response['error'])) {
return [
'code' => $response['error']['code'],
'message' => $response['error']['message'],
];
} else {
return null;
}
}
/**
* @param array $data
* @return string|null
*/
public function getAccessTokenResponseError($data)
{
$error = $this->fetchResponseError($data);
if (!$error) {
return null;
}
return $error['code'].': '.$error['message'];
}
}
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