1ea3b987
 Administrator
maby first commit
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<?php
/**
* socialAuthOAuth20 Class
*
* @author Roman
* @version 1.2.20120313
*/
abstract class socialAuthOAuth20
{
///////////////////////////////////////////////////////////////////////////
protected $settings = false;
protected $oauth = false;
///////////////////////////////////////////////////////////////////////////
public function init()
{
if( isset($_GET['error_description']) && strlen($_GET['error_description'])>0 )
{
throw new kException( trim($_GET['error_description']) );
}
elseif( isset($_GET['error']) )
{
if( trim($_GET['error'])=='access_denied' )
{
$error_message = core::i18n( 'w23_error_user_denied' ); // Ошибка авторизации: Пользователь отм
}
else
{
$error_message = trim($_GET['error']);
}
throw new kException( $error_message );
}
else if( !isset($_GET['code']) ) // step 1
{
$this->authorize();
die();
}
else if( isset($_GET['code']) && strlen(trim($_GET['code']))>6 ) // step 2
{
$data = $this->accessToken();
$data = $this->fetchProfileInfo( $data );
return
$this->getProfileInfo( $data );
}
else
{
throw new kException( core::i18n( 'w23_error_unknown' ) ); // Произошла неизвестная ошибка. Попробуйте немного позже.
}
return false;
}
///////////////////////////////////////////////////////////////////////////
protected function authorize()
{
$_SESSION['state'] = md5(uniqid(rand(), TRUE)); // CSRF protection
header( 'Location: '.$this->settings['authorize_uri'].
'&client_id='.$this->settings['client_id'].
'&redirect_uri='.urlencode($this->settings['redirect_uri']).
'&state='.$_SESSION['state'],
true, 302
);
die();
}
///////////////////////////////////////////////////////////////////////////
protected function accessToken()
{
$ch = curl_init(
$this->settings['access_token_uri'].
'?client_id='.$this->settings['client_id'].
'&client_secret='.$this->settings['client_secret'].
'&redirect_uri='.urlencode($this->settings['redirect_uri']).
'&code='.trim( $_GET['code'] )
);
curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1 );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
$data = json_decode( curl_exec($ch), true );
curl_close($ch);
if( isset($data['error']) || !isset($data['access_token']) )
{
if( isset($data['error_description']) && strlen($data['error_description'])>0 )
{
$error_message = $data['error_description'];
}
elseif( isset($data['error']) )
{
if( trim($data['error'])=='access_denied' )
{
$error_message = core::i18n( 'w23_error_user_denied' ); // Ошибка авторизации: Пользователь отменил авторизацию.
}
else
{
$error_message = trim($data['error']);
}
}
else
{
$error_message = core::i18n( 'w23_error_unknown' ); // Произошла неизвестная ошибка. Попробуйте немного позже.
}
throw new kException( $error_message );
}
return $data;
}
///////////////////////////////////////////////////////////////////////////
abstract protected function fetchProfileInfo();
///////////////////////////////////////////////////////////////////////////
abstract protected function getProfileInfo();
///////////////////////////////////////////////////////////////////////////
}
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