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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\authclient\clients;
use yii\authclient\OAuth2;
use yii\web\HttpException;
use Yii;
/**
* LinkedIn allows authentication via LinkedIn OAuth.
*
* In order to use linkedIn OAuth you must register your application at <https://www.linkedin.com/secure/developer>.
*
* Example application configuration:
*
* ~~~
* 'components' => [
* 'authClientCollection' => [
* 'class' => 'yii\authclient\Collection',
* 'clients' => [
* 'linkedin' => [
* 'class' => 'yii\authclient\clients\LinkedIn',
* 'clientId' => 'linkedin_client_id',
* 'clientSecret' => 'linkedin_client_secret',
* ],
* ],
* ]
* ...
* ]
* ~~~
*
* @see http://developer.linkedin.com/documents/authentication
* @see https://www.linkedin.com/secure/developer
* @see http://developer.linkedin.com/apis
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0
*/
class LinkedIn extends OAuth2
{
/**
* @inheritdoc
*/
public $authUrl = 'https://www.linkedin.com/uas/oauth2/authorization';
/**
* @inheritdoc
*/
public $tokenUrl = 'https://www.linkedin.com/uas/oauth2/accessToken';
/**
* @inheritdoc
*/
public $apiBaseUrl = 'https://api.linkedin.com/v1';
/**
* @inheritdoc
*/
public function init()
{
parent::init();
if ($this->scope === null) {
$this->scope = implode(' ', [
'r_basicprofile',
'r_emailaddress',
]);
}
}
/**
* @inheritdoc
*/
protected function defaultNormalizeUserAttributeMap()
{
return [
'email' => 'email-address',
'first_name' => 'first-name',
'last_name' => 'last-name',
];
}
/**
* @inheritdoc
*/
protected function initUserAttributes()
{
$attributeNames = [
'id',
'email-address',
'first-name',
'last-name',
'public-profile-url',
];
return $this->api('people/~:(' . implode(',', $attributeNames) . ')', 'GET');
}
/**
* @inheritdoc
*/
public function buildAuthUrl(array $params = [])
{
$authState = $this->generateAuthState();
$this->setState('authState', $authState);
$params['state'] = $authState;
return parent::buildAuthUrl($params);
}
/**
* @inheritdoc
*/
public function fetchAccessToken($authCode, array $params = [])
{
$authState = $this->getState('authState');
if (!isset($_REQUEST['state']) || empty($authState) || strcmp($_REQUEST['state'], $authState) !== 0) {
throw new HttpException(400, 'Invalid auth state parameter.');
} else {
$this->removeState('authState');
}
return parent::fetchAccessToken($authCode, $params);
}
/**
* @inheritdoc
*/
protected function apiInternal($accessToken, $url, $method, array $params, array $headers)
{
$params['oauth2_access_token'] = $accessToken->getToken();
return $this->sendRequest($method, $url, $params, $headers);
}
/**
* @inheritdoc
*/
protected function defaultReturnUrl()
{
$params = $_GET;
unset($params['code']);
unset($params['state']);
$params[0] = Yii::$app->controller->getRoute();
return Yii::$app->getUrlManager()->createAbsoluteUrl($params);
}
/**
* Generates the auth state value.
* @return string auth state value.
*/
protected function generateAuthState()
{
return sha1(uniqid(get_class($this), true));
}
/**
* @inheritdoc
*/
protected function defaultName()
{
return 'linkedin';
}
/**
* @inheritdoc
*/
protected function defaultTitle()
{
return 'LinkedIn';
}
}