bit-form / includes / Admin / Form / Helpers.php

Helpers.php in Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder 2.0, at includes/Admin/Form/Helpers.php

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1	<?php
2
3	namespace BitCode\BitForm\Admin\Form;
4
5	class Helpers {
6	public static function scriptLoader($src, $id, $instanceObj = null, $selector = '', $attrs = [], $integrity = null, $contentId = '') {
7	$attributes = json_encode($attrs);
8	$instObj = '';
9	if ($instanceObj) {
10	$instObj .= <<<INST
11	script.onload = function () {
12	bfSelect('#{$contentId}').querySelectorAll('{$selector}').forEach(function(fld){
13	$instanceObj;
14	});
15	}
16	INST;
17	}
18	return <<<LOAD_SECRIPT
19	var script = document.createElement('script'), integrity = '$integrity', attrs = $attributes;
20	script.src = '$src';
21	script.id = '$id';
22	if(integrity){
23	script.integrity = integrity;
24	script.crossOrigin = 'anonymous';
25	}
26	if(attrs){
27	Object.entries(attrs).forEach(function([key, val]){
28	script.setAttribute(key,val);
29	})
30	}
31	$instObj;
32	var bodyElm = document.body;
33	var alreadyExistScriptElm = bodyElm ? bodyElm.querySelector('script#$id'):null;
34	if(alreadyExistScriptElm){
35	bodyElm.removeChild(alreadyExistScriptElm)
36	}
37	bodyElm.appendChild(script);
38	LOAD_SECRIPT;
39	}
40
41	public static function minifyJs($content) {
42	$output = preg_replace(
43	[
44	'/ {2,}/',
45	'/\s=\s/',
46	'/\s,\s/',
47	'/\s+(?=\(\|\{\|\:\|\?)\|\t\|(?:\r?\n[ \t]*)+/s'
48	],
49	[' ', '=', ',', ''],
50	$content
51	);
52
53	return $output;
54	}
55
56	/**
57	* @method name : saveFile
58	* @description : save js/css field to disk
59	* @param : $path => like(dirName/css), $fileName => main.css, $script
60	* @return : boolean
61	*/
62	public static function saveFile($path, $fileName, $script, $fileOpenMode = 'a') {
63	$rootDir = BITFORMS_CONTENT_DIR . DIRECTORY_SEPARATOR;
64	$path = trim($path, '/');
65	$pathArr = explode('/', $path); // like "fieldname/user => [Fieldname, user]
66	foreach ($pathArr as $d) {
67	$rootDir .= $d . DIRECTORY_SEPARATOR;
68	if (!realpath($rootDir)) {
69	mkdir($rootDir);
70	}
71	}
72	$fullPath = $rootDir . $fileName;
73	$file = fopen($fullPath, $fileOpenMode);
74	fwrite($file, $script);
75	fclose($file);
76	return true;
77	}
78
79	/**
80	* @method name : generatePathDirOrFile
81	* @dscription : generate path for js/css file
82	* @params : $path => like(dirName/css)
83	* @return : a string of full path
84	*/
85	public static function generatePathDirOrFile($path) {
86	$rootDir = BITFORMS_CONTENT_DIR . DIRECTORY_SEPARATOR;
87	$path = trim($path, '/');
88	$pathArr = explode('/', $path); // like "fieldname/user => [Fieldname, user]
89	foreach ($pathArr as $d) {
90	$rootDir .= $d . DIRECTORY_SEPARATOR;
91	}
92	return rtrim($rootDir, DIRECTORY_SEPARATOR);
93	}
94
95	public static function fileRead($filePath) {
96	$fileContent = '';
97	if (file_exists($filePath)) {
98	$file = fopen($filePath, 'r');
99	$fileContent .= fread($file, filesize($filePath));
100	fclose($file);
101	}
102	return $fileContent;
103	}
104
105	public static function getDataFromNestedPath($data, $key) {
106	$keys = explode('->', $key);
107	$lastKey = array_pop($keys);
108	$dataType = is_array($data) ? 'array' : (is_object($data) ? 'object' : '');
109	if ('array' === $dataType) {
110	return self::accessFromArray($data, $keys, $lastKey);
111	}
112	if ('object' === $dataType) {
113	return self::accessFromObject($data, $keys, $lastKey);
114	}
115	}
116
117	private static function accessFromObject($data, $keys, $lastKey) {
118	foreach ($keys as $k) {
119	if (!property_exists($data, $k)) {
120	return null;
121	}
122	$data = $data->$k;
123	}
124	return isset($data->$lastKey) ? $data->$lastKey : null;
125	}
126
127	private static function accessFromArray($data, $keys, $lastKey) {
128	foreach ($keys as $k) {
129	if (!array_key_exists($k, $data)) {
130	return null;
131	}
132	$data = $data[$k];
133	}
134	return isset($data[$lastKey]) ? $data[$lastKey] : null;
135	}
136
137	public static function setDataToNestedPath($data, $key, $value) {
138	$keys = explode('->', $key);
139	$lastKey = array_pop($keys);
140	foreach ($keys as $k) {
141	if (!array_key_exists($k, $data)) {
142	$data->$k = (object) [];
143	}
144	$data = $data->$k;
145	}
146	$data->$lastKey = json_decode(json_encode($value)); ;
147	return $data;
148	}
149
150	public static function property_exists_nested($obj, $path = '', $valToCheck = null, $checkNegativeVal = 0) {
151	$path = explode('->', $path);
152	$current = $obj;
153	foreach ($path as $key) {
154	if (is_object($current)) {
155	if (property_exists($current, $key)) {
156	$current = $current->{$key};
157	} else {
158	return false;
159	}
160	} else {
161	return false;
162	}
163	}
164	if (isset($valToCheck)) {
165	if ($checkNegativeVal) {
166	return $current !== $valToCheck;
167	}
168	return $current === $valToCheck;
169	}
170	return true;
171	}
172
173	public static function honeypotEncryptedToken($str) {
174	$token = base64_encode(base64_encode($str));
175	return $token;
176	}
177
178	public static function csrfEecrypted() {
179	$secretKey = get_option('bf_csrf_secret');
180	if (!$secretKey) {
181	$secretKey = 'bf-' . time();
182	update_option('bf_csrf_secret', $secretKey);
183	}
184	$tIdenty = base64_encode(random_bytes(32));
185	$csrf = \base64_encode(\hash_hmac('sha256', $tIdenty, $secretKey, true));
186	return ['csrf' => $csrf, 't_identy' => $tIdenty];
187	}
188
189	public static function csrfDecrypted($identy, $token) {
190	$secretKey = get_option('bf_csrf_secret');
191	return \hash_equals(
192	\base64_encode(\hash_hmac('sha256', $identy, $secretKey, true)),
193	$token
194	);
195	}
196	}
197