| 1 |
<?php |
| 2 |
|
| 3 |
namespace BitCode\BitForm\Admin\Form; |
| 4 |
|
| 5 |
class Helpers |
| 6 |
{ |
| 7 |
public static function filterNullEntries($entries) |
| 8 |
{ |
| 9 |
$filteredEntries = []; |
| 10 |
foreach ($entries as $entry) { |
| 11 |
foreach ($entry as $key => $value) { |
| 12 |
if (is_null($value)) { |
| 13 |
unset($entry->$key); |
| 14 |
} |
| 15 |
} |
| 16 |
if (count((array) $entry)) { |
| 17 |
$filteredEntries[] = $entry; |
| 18 |
} |
| 19 |
} |
| 20 |
return $filteredEntries; |
| 21 |
} |
| 22 |
|
| 23 |
public static function scriptLoader($src, $id, $instanceObj = null, $selector = '', $attrs = [], $integrity = null, $contentId = '') |
| 24 |
{ |
| 25 |
$attributes = json_encode($attrs); |
| 26 |
$instObj = ''; |
| 27 |
if ($instanceObj) { |
| 28 |
$instObj .= <<<INST |
| 29 |
script.onload = function () { |
| 30 |
bfSelect('#{$contentId}').querySelectorAll('{$selector}').forEach(function(fld){ |
| 31 |
$instanceObj; |
| 32 |
}); |
| 33 |
} |
| 34 |
INST; |
| 35 |
} |
| 36 |
return <<<LOAD_SECRIPT |
| 37 |
var script = document.createElement('script'), integrity = '$integrity', attrs = $attributes, id = '$id'; |
| 38 |
script.src = '$src'; |
| 39 |
script.id = id; |
| 40 |
if(integrity){ |
| 41 |
script.integrity = integrity; |
| 42 |
script.crossOrigin = 'anonymous'; |
| 43 |
} |
| 44 |
if(attrs){ |
| 45 |
Object.entries(attrs).forEach(function([key, val]){ |
| 46 |
script.setAttribute(key,val); |
| 47 |
}) |
| 48 |
} |
| 49 |
$instObj; |
| 50 |
var bodyElm = document.body; |
| 51 |
var alreadyExistScriptElm = bodyElm ? bodyElm.querySelector('script#$id'):null; |
| 52 |
if(alreadyExistScriptElm){ |
| 53 |
bodyElm.removeChild(alreadyExistScriptElm) |
| 54 |
} |
| 55 |
if(!(window.recaptcha && id === 'g-recaptcha-script')){ |
| 56 |
bodyElm.appendChild(script); |
| 57 |
} |
| 58 |
LOAD_SECRIPT; |
| 59 |
} |
| 60 |
|
| 61 |
public static function minifyJs($input) |
| 62 |
{ |
| 63 |
if ('' === trim($input)) { |
| 64 |
return $input; |
| 65 |
} |
| 66 |
return preg_replace( |
| 67 |
[ |
| 68 |
'/ {2,}/', |
| 69 |
'/\s*=\s*/', |
| 70 |
'/\s*,\s*/', |
| 71 |
'/\s+(?=\(|\{|\:|\?)|\t|(?:\r?\n[ \t]*)+/s' |
| 72 |
], |
| 73 |
[' ', '=', ',', ''], |
| 74 |
$input |
| 75 |
); |
| 76 |
} |
| 77 |
|
| 78 |
/** |
| 79 |
* @method name : saveFile |
| 80 |
* @description : save js/css field to disk |
| 81 |
* @param : $path => like(dirName/css), $fileName => main.css, $script |
| 82 |
* @return : boolean |
| 83 |
*/ |
| 84 |
public static function saveFile($path, $fileName, $script, $fileOpenMode = 'a') |
| 85 |
{ |
| 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 .= $d . DIRECTORY_SEPARATOR; |
| 91 |
if (!realpath($rootDir)) { |
| 92 |
mkdir($rootDir); |
| 93 |
} |
| 94 |
} |
| 95 |
$fullPath = $rootDir . $fileName; |
| 96 |
$file = fopen($fullPath, $fileOpenMode); |
| 97 |
fwrite($file, $script); |
| 98 |
fclose($file); |
| 99 |
return true; |
| 100 |
} |
| 101 |
|
| 102 |
/** |
| 103 |
* @method name : generatePathDirOrFile |
| 104 |
* @dscription : generate path for js/css file |
| 105 |
* @params : $path => like(dirName/css) |
| 106 |
* @return : a string of full path |
| 107 |
*/ |
| 108 |
public static function generatePathDirOrFile($path) |
| 109 |
{ |
| 110 |
$rootDir = BITFORMS_CONTENT_DIR . DIRECTORY_SEPARATOR; |
| 111 |
$path = trim($path, '/'); |
| 112 |
$pathArr = explode('/', $path); // like "fieldname/user => [Fieldname, user] |
| 113 |
foreach ($pathArr as $d) { |
| 114 |
$rootDir .= $d . DIRECTORY_SEPARATOR; |
| 115 |
} |
| 116 |
return rtrim($rootDir, DIRECTORY_SEPARATOR); |
| 117 |
} |
| 118 |
|
| 119 |
public static function fileRead($filePath) |
| 120 |
{ |
| 121 |
$fileContent = ''; |
| 122 |
if (file_exists($filePath)) { |
| 123 |
$file = fopen($filePath, 'r'); |
| 124 |
$fileContent .= fread($file, filesize($filePath)); |
| 125 |
fclose($file); |
| 126 |
} |
| 127 |
return $fileContent; |
| 128 |
} |
| 129 |
|
| 130 |
public static function getDataFromNestedPath($data, $key) |
| 131 |
{ |
| 132 |
$keys = explode('->', $key); |
| 133 |
$lastKey = array_pop($keys); |
| 134 |
$dataType = is_array($data) ? 'array' : (is_object($data) ? 'object' : ''); |
| 135 |
if ('array' === $dataType) { |
| 136 |
return self::accessFromArray($data, $keys, $lastKey); |
| 137 |
} |
| 138 |
if ('object' === $dataType) { |
| 139 |
return self::accessFromObject($data, $keys, $lastKey); |
| 140 |
} |
| 141 |
} |
| 142 |
|
| 143 |
private static function accessFromObject($data, $keys, $lastKey) |
| 144 |
{ |
| 145 |
foreach ($keys as $k) { |
| 146 |
if (!property_exists($data, $k)) { |
| 147 |
return null; |
| 148 |
} |
| 149 |
$data = $data->$k; |
| 150 |
} |
| 151 |
return isset($data->$lastKey) ? $data->$lastKey : null; |
| 152 |
} |
| 153 |
|
| 154 |
private static function accessFromArray($data, $keys, $lastKey) |
| 155 |
{ |
| 156 |
foreach ($keys as $k) { |
| 157 |
if (!array_key_exists($k, $data)) { |
| 158 |
return null; |
| 159 |
} |
| 160 |
$data = $data[$k]; |
| 161 |
} |
| 162 |
return isset($data[$lastKey]) ? $data[$lastKey] : null; |
| 163 |
} |
| 164 |
|
| 165 |
public static function setDataToNestedPath($data, $key, $value) |
| 166 |
{ |
| 167 |
$keys = explode('->', $key); |
| 168 |
$lastKey = array_pop($keys); |
| 169 |
foreach ($keys as $k) { |
| 170 |
if (!array_key_exists($k, $data)) { |
| 171 |
$data->$k = (object) []; |
| 172 |
} |
| 173 |
$data = $data->$k; |
| 174 |
} |
| 175 |
$data->$lastKey = json_decode(json_encode($value)); |
| 176 |
; |
| 177 |
return $data; |
| 178 |
} |
| 179 |
|
| 180 |
public static function property_exists_nested($obj, $path = '', $valToCheck = null, $checkNegativeVal = 0) |
| 181 |
{ |
| 182 |
$path = explode('->', $path); |
| 183 |
$current = $obj; |
| 184 |
foreach ($path as $key) { |
| 185 |
if (is_object($current)) { |
| 186 |
if (property_exists($current, $key)) { |
| 187 |
$current = $current->{$key}; |
| 188 |
} else { |
| 189 |
return false; |
| 190 |
} |
| 191 |
} else { |
| 192 |
return false; |
| 193 |
} |
| 194 |
} |
| 195 |
if (isset($valToCheck)) { |
| 196 |
if ($checkNegativeVal) { |
| 197 |
return $current !== $valToCheck; |
| 198 |
} |
| 199 |
return $current === $valToCheck; |
| 200 |
} |
| 201 |
return true; |
| 202 |
} |
| 203 |
|
| 204 |
public static function honeypotEncryptedToken($str) |
| 205 |
{ |
| 206 |
$token = base64_encode(base64_encode($str)); |
| 207 |
return $token; |
| 208 |
} |
| 209 |
|
| 210 |
public static function csrfEecrypted() |
| 211 |
{ |
| 212 |
$secretKey = get_option('bf_csrf_secret'); |
| 213 |
if (!$secretKey) { |
| 214 |
$secretKey = 'bf-' . time(); |
| 215 |
update_option('bf_csrf_secret', $secretKey); |
| 216 |
} |
| 217 |
$tIdenty = base64_encode(random_bytes(32)); |
| 218 |
$csrf = \base64_encode(\hash_hmac('sha256', $tIdenty, $secretKey, true)); |
| 219 |
return ['csrf' => $csrf, 't_identity' => $tIdenty]; |
| 220 |
} |
| 221 |
|
| 222 |
public static function csrfDecrypted($identy, $token) |
| 223 |
{ |
| 224 |
$secretKey = get_option('bf_csrf_secret'); |
| 225 |
return \hash_equals( |
| 226 |
\base64_encode(\hash_hmac('sha256', $identy, $secretKey, true)), |
| 227 |
$token |
| 228 |
); |
| 229 |
} |
| 230 |
} |
| 231 |
|