loginizer / lib / hybridauth / HttpClient / Util.php

Util.php in Loginizer 2.0.1, at lib/hybridauth/HttpClient/Util.php

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1	<?php
2	/*!
3	* Hybridauth
4	* https://hybridauth.github.io \| https://github.com/hybridauth/hybridauth
5	* (c) 2017 Hybridauth authors \| https://hybridauth.github.io/license.html
6	*/
7
8	namespace Hybridauth\HttpClient;
9
10	use Hybridauth\Data;
11
12	/**
13	* HttpClient\Util home to a number of utility functions.
14	*/
15	class Util
16	{
17	/**
18	* Redirect handler.
19	*
20	* @var callable\|null
21	*/
22	protected static $redirectHandler;
23
24	/**
25	* Exit handler.
26	*
27	* @var callable\|null
28	*/
29	protected static $exitHandler;
30
31	/**
32	* Redirect to a given URL.
33	*
34	* In case your application need to perform certain required actions before Hybridauth redirect users
35	* to IDPs websites, the default behaviour can be altered in one of two ways:
36	* If callable $redirectHandler is defined, it will be called instead.
37	* If callable $exitHandler is defined, it will be called instead of exit().
38	*
39	* @param string $url
40	*
41	* @return mixed
42	*/
43	public static function redirect($url)
44	{
45	if (static::$redirectHandler) {
46	return call_user_func(static::$redirectHandler, $url);
47	}
48
49	header(sprintf('Location: %s', $url));
50
51	if (static::$exitHandler) {
52	return call_user_func(static::$exitHandler);
53	}
54
55	exit(1);
56	}
57
58	/**
59	* Redirect handler to which the regular redirect() will yield the action of redirecting users.
60	*
61	* @param callable $callback
62	*/
63	public static function setRedirectHandler($callback)
64	{
65	self::$redirectHandler = $callback;
66	}
67
68	/**
69	* Exit handler will be called instead of regular exit() when calling Util::redirect() method.
70	*
71	* @param callable $callback
72	*/
73	public static function setExitHandler($callback)
74	{
75	self::$exitHandler = $callback;
76	}
77
78	/**
79	* Returns the Current URL.
80	*
81	* @param bool $requestUri TRUE to use $_SERVER['REQUEST_URI'], FALSE for $_SERVER['PHP_SELF']
82	*
83	* @return string
84	*/
85	public static function getCurrentUrl($requestUri = false)
86	{
87	$collection = new Data\Collection($_SERVER);
88
89	$protocol = 'http://';
90
91	if (($collection->get('HTTPS') && $collection->get('HTTPS') !== 'off') \|\|
92	$collection->get('HTTP_X_FORWARDED_PROTO') === 'https') {
93	$protocol = 'https://';
94	}
95
96	return $protocol .
97	$collection->get('HTTP_HOST') .
98	$collection->get($requestUri ? 'REQUEST_URI' : 'PHP_SELF');
99	}
100	}
101