fluent-boards / vendor / wpfluent / framework / src / WPFluent / Http / URL.php

URL.php in FluentBoards – Project Management, Task Management, Goal Tracking, Kanban Board, and, Team Collaboration 1.32, at vendor/wpfluent/framework/src/WPFluent/Http/URL.php

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1	<?php
2
3	namespace FluentBoards\Framework\Http;
4
5	use Exception;
6	use FluentBoards\Framework\Support\DateTime;
7
8	class URL
9	{
10	protected $encrypter = null;
11
12	public function __construct($encrypter)
13	{
14	$this->encrypter = $encrypter;
15	}
16
17	/**
18	* Get the current URL
19	*
20	* @return string
21	*/
22	public function current()
23	{
24	return get_site_url() . rtrim($_SERVER['REQUEST_URI'], '/');
25	}
26
27	/**
28	* Parse a url from uncompiled route
29	*
30	* @param string $url
31	* @param array $params
32	* @return string
33	*/
34	public function parse(string $url, array $params)
35	{
36	$pattern = '#\{[a-zA-Z0-9-_]+\}#';
37
38	return preg_replace_callback($pattern, function($matches) use ($params) {
39	foreach ($matches as $match) {
40	$match = str_replace(['{', '}'], ['', ''], $match);
41	if (isset($params[$match])) {
42	return $params[$match];
43	}
44	}
45	}, $url);
46	}
47
48	/**
49	* Sign the current url.
50	*
51	* @param array $params
52	* @return string
53	*/
54	public function signCurrentUrl($params = [])
55	{
56	return $this->sign($this->current(), $params);
57	}
58
59	/**
60	* Sign a URL
61	*
62	* @param string $url
63	* @return string
64	*/
65	public function sign($url, $params = [])
66	{
67	$parts = parse_url($url);
68
69	$url = $parts['scheme'] . '://' . $parts['host'] . $parts['path'];
70
71	parse_str($parts['query'] ?? '', $query);
72
73	$params = $this->validateExpiryTime($params + $query);
74
75	$params = $this->encrypter->encrypt(http_build_query($params));
76
77	$signature = hash_hmac('sha256', $params, $this->encrypter->getKey());
78
79	return $url . '?_data=' . $params . '&_signature=' . $signature;
80	}
81
82	/**
83	* Normalize the expiry time.
84	*
85	* @param array $params
86	* @return array
87	*/
88	public function validateExpiryTime($params)
89	{
90	if (isset($params['expires_at'])) {
91	if (is_string($params['expires_at'])) {
92	$params['expires_at'] = strtotime($params['expires_at']);
93	} elseif ($params['expires_at'] instanceof DateTime) {
94	$params['expires_at'] = $params['expires_at']->getTimestamp();
95	}
96
97	if (!is_numeric($params['expires_at']) \|\| $params['expires_at'] < time()) {
98	throw new Exception('The expiry time has passed or invalid.');
99	}
100	}
101
102	return $params;
103	}
104
105	/**
106	* Validate a URL
107	*
108	* @param string $url
109	* @return mixed (false or array)
110	*/
111	public function validate($url)
112	{
113	if (!$query = $this->parseUrlAndGetQuery($url)) {
114	return false;
115	}
116
117	if (!$query['_data'] \|\| !$query['_signature']) {
118	return false;
119	}
120
121	return $this->verifySignature($query['_data'], $query['_signature']);
122	}
123
124	/**
125	* Parse query string from the url.
126	*
127	* @param string $url
128	* @return mixed (bool or array)
129	*/
130	public function parseUrlAndGetQuery($url)
131	{
132	$parts = parse_url($url);
133
134	if (!isset($parts['query'])) {
135	return false;
136	}
137
138	parse_str($parts['query'], $query);
139
140	return $query;
141	}
142
143	/**
144	* Verify the signature.
145	*
146	* @param array $data
147	* @param string $signature
148	* @return mixed (false or array)
149	*/
150	public function verifySignature($data, $signature)
151	{
152	$expected = hash_hmac('sha256', $data, $this->encrypter->getKey());
153
154	if (!hash_equals($expected, $signature)) return false;
155
156	parse_str($this->encrypter->decrypt(urldecode($data)), $params);
157
158	if (isset($params['expires_at']) && time() > $params['expires_at']) {
159	return false;
160	}
161
162	return $params;
163	}
164
165	/**
166	* Returns the string representation of the URL object
167	*
168	* @return string Current URL.
169	*/
170	public function __toString()
171	{
172	return $this->current();
173	}
174	}
175