<?php
/*!
* Hybridauth
* https://hybridauth.github.io | https://github.com/hybridauth/hybridauth
* (c) 2017 Hybridauth authors | https://hybridauth.github.io/license.html
*/
namespace Hybridauth\HttpClient;
use Hybridauth\Data;
/**
* HttpClient\Util home to a number of utility functions.
*/
class Util
{
/**
* Redirect handler.
*
* @var callable|null
*/
protected static $redirectHandler;
/**
* Exit handler.
*
* @var callable|null
*/
protected static $exitHandler;
/**
* Redirect to a given URL.
*
* In case your application need to perform certain required actions before Hybridauth redirect users
* to IDPs websites, the default behaviour can be altered in one of two ways:
* If callable $redirectHandler is defined, it will be called instead.
* If callable $exitHandler is defined, it will be called instead of exit().
*
* @param string $url
*
* @return mixed
*/
public static function redirect($url)
{
if (static::$redirectHandler) {
return call_user_func(static::$redirectHandler, $url);
}
header(sprintf('Location: %s', $url));
if (static::$exitHandler) {
return call_user_func(static::$exitHandler);
}
exit(1);
}
/**
* Redirect handler to which the regular redirect() will yield the action of redirecting users.
*
* @param callable $callback
*/
public static function setRedirectHandler($callback)
{
self::$redirectHandler = $callback;
}
/**
* Exit handler will be called instead of regular exit() when calling Util::redirect() method.
*
* @param callable $callback
*/
public static function setExitHandler($callback)
{
self::$exitHandler = $callback;
}
/**
* Returns the Current URL.
*
* @param bool $requestUri TRUE to use $_SERVER['REQUEST_URI'], FALSE for $_SERVER['PHP_SELF']
*
* @return string
*/
public static function getCurrentUrl($requestUri = false)
{
$collection = new Data\Collection($_SERVER);
$protocol = 'http://';
if (($collection->get('HTTPS') && $collection->get('HTTPS') !== 'off') ||
$collection->get('HTTP_X_FORWARDED_PROTO') === 'https') {
$protocol = 'https://';
}
return $protocol .
$collection->get('HTTP_HOST') .
$collection->get($requestUri ? 'REQUEST_URI' : 'PHP_SELF');
}
}