| 1 |
<?php |
| 2 |
|
| 3 |
namespace BitCode\BitForm\Admin\Form; |
| 4 |
|
| 5 |
use BitCode\BitForm\Core\Cryptography\Cryptography; |
| 6 |
use BitCode\BitForm\Core\Database\FormEntryModel; |
| 7 |
use BitCode\BitForm\Core\Util\FileHandler; |
| 8 |
use BitCode\BitForm\Core\Util\Log; |
| 9 |
use BitCode\BitForm\Core\WorkFlow\WorkflowExecutor; |
| 10 |
use Exception; |
| 11 |
use WP_Error; |
| 12 |
|
| 13 |
class Helpers |
| 14 |
{ |
| 15 |
private static $encryptEntryIds = []; |
| 16 |
|
| 17 |
public static $file_upload_types = ['file-up', 'advanced-file-up']; |
| 18 |
|
| 19 |
public static $repeated_array_type_data_fields = ['check', 'image-select']; |
| 20 |
|
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public static function filterNullEntries($entries) |
| 22 |
{ |
| 23 |
$filteredEntries = []; |
| 24 |
foreach ($entries as $entry) { |
| 25 |
foreach ($entry as $key => $value) { |
| 26 |
if (is_null($value)) { |
| 27 |
unset($entry->$key); |
| 28 |
} |
| 29 |
} |
| 30 |
if (count((array) $entry)) { |
| 31 |
$filteredEntries[] = $entry; |
| 32 |
} |
| 33 |
} |
| 34 |
return $filteredEntries; |
| 35 |
} |
| 36 |
|
| 37 |
public static function scriptLoader($src, $id, $instanceObj = null, $selector = '', $attrs = [], $integrity = null, $contentId = '') |
| 38 |
{ |
| 39 |
$attributes = wp_json_encode($attrs); |
| 40 |
$instObj = ''; |
| 41 |
if ($instanceObj) { |
| 42 |
$instObj .= sprintf( |
| 43 |
' |
| 44 |
script.onload = function () { |
| 45 |
bfSelect("#{%1$s}").querySelectorAll("{%2$s}").forEach(function(fld){ |
| 46 |
%3$s; |
| 47 |
}); |
| 48 |
} |
| 49 |
', |
| 50 |
$contentId, |
| 51 |
$selector, |
| 52 |
$instanceObj |
| 53 |
); |
| 54 |
} |
| 55 |
return sprintf( |
| 56 |
' |
| 57 |
var script = document.createElement("script"), integrity = "%1$s", attrs = %2$s, id = "%3$s"; |
| 58 |
script.src = "%4$s"; |
| 59 |
script.id = id; |
| 60 |
if(integrity){ |
| 61 |
script.integrity = integrity; |
| 62 |
script.crossOrigin = "anonymous"; |
| 63 |
} |
| 64 |
if(attrs){ |
| 65 |
Object.entries(attrs).forEach(function([key, val]){ |
| 66 |
script.setAttribute(key,val); |
| 67 |
}) |
| 68 |
} |
| 69 |
$instObj; |
| 70 |
var bodyElm = document.body; |
| 71 |
var alreadyExistScriptElm = bodyElm ? bodyElm.querySelector("script#$id"):null; |
| 72 |
if(alreadyExistScriptElm){ |
| 73 |
bodyElm.removeChild(alreadyExistScriptElm) |
| 74 |
} |
| 75 |
if(!(window.recaptcha && id === "g-recaptcha-script")){ |
| 76 |
bodyElm.appendChild(script); |
| 77 |
} |
| 78 |
', |
| 79 |
$integrity, |
| 80 |
$attributes, |
| 81 |
$id, |
| 82 |
$src, |
| 83 |
); |
| 84 |
} |
| 85 |
|
| 86 |
public static function minifyJs($input) |
| 87 |
{ |
| 88 |
if ('' === trim($input)) { |
| 89 |
return $input; |
| 90 |
} |
| 91 |
// Line-boundary whitespace only. The previous regexes also rewrote the |
| 92 |
// inside of string and template literals, corrupting generated config and |
| 93 |
// custom JS. Inputs are already terser-minified, so the aggressive pass |
| 94 |
// saved ~0.1% anyway. |
| 95 |
return preg_replace( |
| 96 |
[ |
| 97 |
'/^[ \t]+/m', // leading indentation |
| 98 |
'/[ \t]+$/m', // trailing whitespace |
| 99 |
'/(?:\r?\n){3,}/', // 3+ consecutive newlines -> 2 |
| 100 |
], |
| 101 |
['', '', "\n\n"], |
| 102 |
$input |
| 103 |
); |
| 104 |
} |
| 105 |
|
| 106 |
public static function removeJsSingleLineComments($code) |
| 107 |
{ |
| 108 |
$length = strlen($code); |
| 109 |
$result = ''; |
| 110 |
$inString = false; |
| 111 |
$inTemplate = false; |
| 112 |
$inRegex = false; |
| 113 |
$escapeNext = false; |
| 114 |
$stringDelimiter = ''; |
| 115 |
$i = 0; |
| 116 |
|
| 117 |
while ($i < $length) { |
| 118 |
$char = $code[$i]; |
| 119 |
$nextChar = $i + 1 < $length ? $code[$i + 1] : ''; |
| 120 |
|
| 121 |
if ($escapeNext) { |
| 122 |
$result .= $char; |
| 123 |
$escapeNext = false; |
| 124 |
} elseif ($inString) { |
| 125 |
$result .= $char; |
| 126 |
if ('\\' === $char) { |
| 127 |
$escapeNext = true; |
| 128 |
} elseif ($char === $stringDelimiter) { |
| 129 |
$inString = false; |
| 130 |
} |
| 131 |
} elseif ($inTemplate) { |
| 132 |
$result .= $char; |
| 133 |
if ('\\' === $char) { |
| 134 |
$escapeNext = true; |
| 135 |
} elseif ('`' === $char) { |
| 136 |
$inTemplate = false; |
| 137 |
} |
| 138 |
} elseif ($inRegex) { |
| 139 |
$result .= $char; |
| 140 |
if ('\\' === $char) { |
| 141 |
$escapeNext = true; |
| 142 |
} elseif ('/' === $char) { |
| 143 |
$inRegex = false; |
| 144 |
} |
| 145 |
} else { |
| 146 |
if ('"' === $char || "'" === $char) { |
| 147 |
$inString = true; |
| 148 |
$stringDelimiter = $char; |
| 149 |
$result .= $char; |
| 150 |
} elseif ('`' === $char) { |
| 151 |
$inTemplate = true; |
| 152 |
$result .= $char; |
| 153 |
} elseif ('/' === $char) { |
| 154 |
if ('/' === $nextChar) { |
| 155 |
// Single-line comment found |
| 156 |
while ($i < $length && "\n" !== $code[$i]) { |
| 157 |
$i++; |
| 158 |
} |
| 159 |
continue; // skip until newline |
| 160 |
} elseif ('*' === $nextChar) { |
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// Block comment start, just copy it (optional, depending on need) |
| 162 |
$result .= $char; |
| 163 |
} else { |
| 164 |
// Assume division or regex |
| 165 |
$result .= $char; |
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} |
| 167 |
} else { |
| 168 |
$result .= $char; |
| 169 |
} |
| 170 |
} |
| 171 |
$i++; |
| 172 |
} |
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|
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return $result; |
| 175 |
} |
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|
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/** |
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* @method name : saveFile |
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* @description : save js/css field to disk |
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* @param : $path => like(dirName/css), $fileName => main.css, $script |
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* @return : boolean |
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*/ |
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public static function saveFile($path, $fileName, $script, $fileOpenMode = 'a') |
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{ |
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try { |
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$rootDir = BITFORMS_CONTENT_DIR . DIRECTORY_SEPARATOR; |
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$path = trim($path, '/'); |
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$pathArr = explode('/', $path); // like "fieldname/user => [Fieldname, user] |
| 189 |
foreach ($pathArr as $d) { |
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$rootDir .= $d . DIRECTORY_SEPARATOR; |
| 191 |
if (!realpath($rootDir)) { |
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wp_mkdir_p($rootDir); |
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} |
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} |
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$fullPath = $rootDir . $fileName; |
| 196 |
if ('a' === $fileOpenMode) { |
| 197 |
$result = FileHandler::appendFile($fullPath, $script); |
| 198 |
} else { |
| 199 |
$result = FileHandler::writeFile($fullPath, $script); |
| 200 |
} |
| 201 |
if (false === $result) { |
| 202 |
throw new Exception("Failed to write to file: $fullPath"); |
| 203 |
} |
| 204 |
return true; |
| 205 |
} catch (\Exception $e) { |
| 206 |
Log::debug_log($e->getMessage()); |
| 207 |
return false; |
| 208 |
} |
| 209 |
} |
| 210 |
|
| 211 |
/** |
| 212 |
* @method name : generatePathDirOrFile |
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* @dscription : generate path for js/css file |
| 214 |
* @params : $path => like(dirName/css) |
| 215 |
* @return : a string of full path |
| 216 |
*/ |
| 217 |
public static function generatePathDirOrFile($path) |
| 218 |
{ |
| 219 |
$rootDir = BITFORMS_CONTENT_DIR . DIRECTORY_SEPARATOR; |
| 220 |
$path = trim($path, '/'); |
| 221 |
$pathArr = explode('/', $path); // like "fieldname/user => [Fieldname, user] |
| 222 |
foreach ($pathArr as $d) { |
| 223 |
$rootDir .= $d . DIRECTORY_SEPARATOR; |
| 224 |
} |
| 225 |
return rtrim($rootDir, DIRECTORY_SEPARATOR); |
| 226 |
} |
| 227 |
|
| 228 |
public static function fileRead($filePath) |
| 229 |
{ |
| 230 |
return FileHandler::readFile($filePath); |
| 231 |
} |
| 232 |
|
| 233 |
public static function getDataFromNestedPath($data, $key) |
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{ |
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$keys = explode('->', $key); |
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$lastKey = array_pop($keys); |
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$dataType = is_array($data) ? 'array' : (is_object($data) ? 'object' : ''); |
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if ('array' === $dataType) { |
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return self::accessFromArray($data, $keys, $lastKey); |
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} |
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if ('object' === $dataType) { |
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return self::accessFromObject($data, $keys, $lastKey); |
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} |
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} |
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|
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private static function accessFromObject($data, $keys, $lastKey) |
| 247 |
{ |
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foreach ($keys as $k) { |
| 249 |
if (!property_exists($data, $k)) { |
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return null; |
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} |
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$data = $data->$k; |
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} |
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return isset($data->$lastKey) ? $data->$lastKey : null; |
| 255 |
} |
| 256 |
|
| 257 |
private static function accessFromArray($data, $keys, $lastKey) |
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{ |
| 259 |
foreach ($keys as $k) { |
| 260 |
if (!array_key_exists($k, $data)) { |
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return null; |
| 262 |
} |
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$data = $data[$k]; |
| 264 |
} |
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return isset($data[$lastKey]) ? $data[$lastKey] : null; |
| 266 |
} |
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|
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public static function setDataToNestedPath($data, $key, $value) |
| 269 |
{ |
| 270 |
$keys = explode('->', $key); |
| 271 |
$lastKey = array_pop($keys); |
| 272 |
foreach ($keys as $k) { |
| 273 |
if (!array_key_exists($k, $data)) { |
| 274 |
$data->$k = (object) []; |
| 275 |
} |
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$data = $data->$k; |
| 277 |
} |
| 278 |
$data->$lastKey = json_decode(wp_json_encode($value)); |
| 279 |
return $data; |
| 280 |
} |
| 281 |
|
| 282 |
public static function property_exists_nested($obj, $path = '', $valToCheck = null, $checkNegativeVal = 0) |
| 283 |
{ |
| 284 |
$path = explode('->', $path); |
| 285 |
$current = $obj; |
| 286 |
foreach ($path as $key) { |
| 287 |
if (is_object($current)) { |
| 288 |
if (property_exists($current, $key)) { |
| 289 |
$current = $current->{$key}; |
| 290 |
} else { |
| 291 |
return false; |
| 292 |
} |
| 293 |
} else { |
| 294 |
return false; |
| 295 |
} |
| 296 |
} |
| 297 |
if (isset($valToCheck)) { |
| 298 |
if ($checkNegativeVal) { |
| 299 |
return $current !== $valToCheck; |
| 300 |
} |
| 301 |
return $current === $valToCheck; |
| 302 |
} |
| 303 |
return true; |
| 304 |
} |
| 305 |
|
| 306 |
public static function validateEntryTokenAndUser($entryToken, $entryId) |
| 307 |
{ |
| 308 |
// check if the user is logged in |
| 309 |
if (is_user_logged_in()) { |
| 310 |
$user = wp_get_current_user(); |
| 311 |
if (in_array('administrator', $user->roles) || current_user_can('manage_bitform')) { |
| 312 |
return true; |
| 313 |
} |
| 314 |
$entryModel = new FormEntryModel(); |
| 315 |
$entry = $entryModel->get( |
| 316 |
'id, user_id, form_id', |
| 317 |
[ |
| 318 |
'id' => $entryId, |
| 319 |
'user_id' => $user->ID |
| 320 |
] |
| 321 |
); |
| 322 |
if (!is_wp_error($entry) && !empty($entry)) { |
| 323 |
return true; |
| 324 |
} |
| 325 |
} |
| 326 |
// check if the entry token is valid |
| 327 |
if (isset($entryToken) && $entryToken) { |
| 328 |
$decryptEntryId = Cryptography::decrypt($entryToken, self::getBitformSalt()); |
| 329 |
if ($decryptEntryId === $entryId) { |
| 330 |
return true; |
| 331 |
} |
| 332 |
} |
| 333 |
|
| 334 |
return false; |
| 335 |
} |
| 336 |
|
| 337 |
/** |
| 338 |
* Validate workflow trigger token with proper input sanitization |
| 339 |
* |
| 340 |
* @param object $request The AJAX request object |
| 341 |
* @param string $formID The form ID (already sanitized) |
| 342 |
* @return array ['valid' => bool, 'error' => string, 'triggerData' => object|null, 'isAdminBypass' => bool] |
| 343 |
*/ |
| 344 |
public static function validateWorkflowTriggerToken($request, $formID) |
| 345 |
{ |
| 346 |
// Sanitize and validate cronNotOk array |
| 347 |
if (!isset($request->cronNotOk) || !is_array($request->cronNotOk)) { |
| 348 |
return [ |
| 349 |
'valid' => false, |
| 350 |
'error' => 'Missing or invalid cronNotOk data', |
| 351 |
'triggerData' => null, |
| 352 |
'isAdminBypass' => false |
| 353 |
]; |
| 354 |
} |
| 355 |
|
| 356 |
// Validate and sanitize entry ID and log ID (must be integers) |
| 357 |
if (!isset($request->cronNotOk[0]) || !is_numeric($request->cronNotOk[0])) { |
| 358 |
Log::debug_log('Invalid entry ID in cronNotOk[0]'); |
| 359 |
return ['valid' => false, 'error' => 'Invalid entry ID', 'triggerData' => null, 'isAdminBypass' => false]; |
| 360 |
} |
| 361 |
|
| 362 |
if (!isset($request->cronNotOk[1]) || !is_numeric($request->cronNotOk[1])) { |
| 363 |
Log::debug_log('Invalid log ID in cronNotOk[1]'); |
| 364 |
return ['valid' => false, 'error' => 'Invalid log ID', 'triggerData' => null, 'isAdminBypass' => false]; |
| 365 |
} |
| 366 |
|
| 367 |
$entryID = absint($request->cronNotOk[0]); |
| 368 |
$logID = absint($request->cronNotOk[1]); |
| 369 |
|
| 370 |
// Check for administrator bypass |
| 371 |
$isAdminBypass = false; |
| 372 |
if (is_user_logged_in()) { |
| 373 |
$user = wp_get_current_user(); |
| 374 |
if (in_array('administrator', $user->roles) || current_user_can('manage_bitform')) { |
| 375 |
Log::debug_log('Admin bypass: Workflow triggered by ' . $user->user_login . ' for entryID=' . $entryID); |
| 376 |
return [ |
| 377 |
'valid' => true, |
| 378 |
'error' => '', |
| 379 |
'triggerData' => null, |
| 380 |
'isAdminBypass' => true |
| 381 |
]; |
| 382 |
} |
| 383 |
|
| 384 |
// For logged-in non-admin users: verify nonce |
| 385 |
if (isset($request->token, $request->id)) { |
| 386 |
if (!wp_verify_nonce($request->token, $request->id)) { |
| 387 |
Log::debug_log('Nonce verification failed for logged-in user. FormID=' . $formID); |
| 388 |
return [ |
| 389 |
'valid' => false, |
| 390 |
'error' => 'Invalid nonce for logged-in user', |
| 391 |
'triggerData' => null, |
| 392 |
'isAdminBypass' => false |
| 393 |
]; |
| 394 |
} |
| 395 |
} else { |
| 396 |
Log::debug_log('Missing nonce for logged-in user. FormID=' . $formID); |
| 397 |
return [ |
| 398 |
'valid' => false, |
| 399 |
'error' => 'Missing nonce', |
| 400 |
'triggerData' => null, |
| 401 |
'isAdminBypass' => false |
| 402 |
]; |
| 403 |
} |
| 404 |
} |
| 405 |
|
| 406 |
// For non-admin users (both logged-in and anonymous): validate one-time trigger token |
| 407 |
if (!isset($request->cronNotOk[3]) || empty($request->cronNotOk[3])) { |
| 408 |
Log::debug_log('Missing trigger token for formID=' . $formID . ', entryID=' . $entryID); |
| 409 |
return [ |
| 410 |
'valid' => false, |
| 411 |
'error' => 'Missing trigger token', |
| 412 |
'triggerData' => null, |
| 413 |
'isAdminBypass' => false |
| 414 |
]; |
| 415 |
} |
| 416 |
|
| 417 |
$submittedToken = sanitize_text_field($request->cronNotOk[3]); |
| 418 |
|
| 419 |
// Validate trigger token from transient |
| 420 |
$transientData = get_transient("bitform_trigger_transient_{$entryID}"); |
| 421 |
|
| 422 |
// Object caches (W3TC, SG Optimizer, Redis) can drop the transient before the |
| 423 |
// browser trigger arrives; the queue log row holds the same payload durably. |
| 424 |
if (empty($transientData)) { |
| 425 |
$queueLogId = isset($request->cronNotOk[2]) && is_numeric($request->cronNotOk[2]) ? absint($request->cronNotOk[2]) : 0; |
| 426 |
$transientData = WorkflowExecutor::loadTriggerDataFromLog($queueLogId); |
| 427 |
Log::debug_log('Trigger token transient missing for entryID=' . $entryID . ', logID=' . $logID . '; durable copy ' . (empty($transientData) ? 'not found' : 'used')); |
| 428 |
} |
| 429 |
|
| 430 |
if (empty($transientData)) { |
| 431 |
return [ |
| 432 |
'valid' => false, |
| 433 |
'error' => 'Trigger token expired or missing', |
| 434 |
'triggerData' => null, |
| 435 |
'isAdminBypass' => false |
| 436 |
]; |
| 437 |
} |
| 438 |
|
| 439 |
$triggerData = is_string($transientData) ? json_decode($transientData, true) : (array) $transientData; |
| 440 |
// Verify token matches and belongs to this entry/log |
| 441 |
if ( |
| 442 |
!isset($triggerData['trigger_token'], $triggerData['entryID'], $triggerData['logID']) |
| 443 |
|| !hash_equals($triggerData['trigger_token'], $submittedToken) |
| 444 |
|| (int)$triggerData['entryID'] !== $entryID |
| 445 |
|| (int)$triggerData['logID'] !== $logID |
| 446 |
) { |
| 447 |
Log::debug_log('Invalid trigger token for entryID=' . $entryID . ', logID=' . $logID); |
| 448 |
return [ |
| 449 |
'valid' => false, |
| 450 |
'error' => 'Invalid trigger token', |
| 451 |
'triggerData' => null, |
| 452 |
'isAdminBypass' => false |
| 453 |
]; |
| 454 |
} |
| 455 |
|
| 456 |
// Token is valid - delete transient to prevent reuse (single-use token) |
| 457 |
delete_transient("bitform_trigger_transient_{$entryID}"); |
| 458 |
Log::debug_log('Valid trigger token consumed for entryID=' . $entryID); |
| 459 |
|
| 460 |
return [ |
| 461 |
'valid' => true, |
| 462 |
'error' => '', |
| 463 |
'triggerData' => $triggerData, |
| 464 |
'isAdminBypass' => false |
| 465 |
]; |
| 466 |
} |
| 467 |
|
| 468 |
public static function validateFormEntryEditPermission($formId, $entryId) |
| 469 |
{ |
| 470 |
if (is_user_logged_in()) { |
| 471 |
if (current_user_can('manage_bitform') || current_user_can('bitform_entry_edit') || current_user_can('edit_post')) { |
| 472 |
return true; |
| 473 |
} |
| 474 |
} |
| 475 |
return false; |
| 476 |
} |
| 477 |
|
| 478 |
public static function honeypotEncryptedToken($str) |
| 479 |
{ |
| 480 |
$token = base64_encode(base64_encode($str)); |
| 481 |
return $token; |
| 482 |
} |
| 483 |
|
| 484 |
public static function csrfEecrypted() |
| 485 |
{ |
| 486 |
$secretKey = get_option('bitform_csrf_secret'); |
| 487 |
if (!$secretKey) { |
| 488 |
$secretKey = 'bf-' . time(); |
| 489 |
update_option('bitform_csrf_secret', $secretKey); |
| 490 |
} |
| 491 |
$tIdenty = base64_encode(\random_bytes(32)); |
| 492 |
$csrf = \base64_encode(\hash_hmac('sha256', $tIdenty, $secretKey, true)); |
| 493 |
return ['csrf' => $csrf, 't_identity' => $tIdenty]; |
| 494 |
} |
| 495 |
|
| 496 |
public static function csrfDecrypted($identy, $token) |
| 497 |
{ |
| 498 |
$secretKey = get_option('bitform_csrf_secret'); |
| 499 |
return \hash_equals( |
| 500 |
\base64_encode(\hash_hmac('sha256', $identy, $secretKey, true)), |
| 501 |
$token |
| 502 |
); |
| 503 |
} |
| 504 |
|
| 505 |
public static function checkIsIntArr($arr) |
| 506 |
{ |
| 507 |
$filteredArray = array_filter($arr, 'is_numeric'); |
| 508 |
$intArray = array_map('intval', $filteredArray); |
| 509 |
$result = count($arr) === count($intArray); |
| 510 |
|
| 511 |
return $result; |
| 512 |
} |
| 513 |
|
| 514 |
public static function getTruncatedEncryptToken($str, $length = 20) |
| 515 |
{ |
| 516 |
$token = hash_hmac('sha256', $str, self::getBitformSalt()); |
| 517 |
return substr($token, 0, $length); |
| 518 |
} |
| 519 |
|
| 520 |
public static function getAuthSaltEncryptToken($str, $length = 20) |
| 521 |
{ |
| 522 |
if (!$str) { |
| 523 |
return ''; |
| 524 |
} |
| 525 |
if (!defined('AUTH_SALT')) { |
| 526 |
return ''; |
| 527 |
} |
| 528 |
|
| 529 |
return substr(hash_hmac('sha256', $str, AUTH_SALT), 0, $length); |
| 530 |
} |
| 531 |
|
| 532 |
public static function getEncryptedEntryId($entryId) |
| 533 |
{ |
| 534 |
if (!isset(self::$encryptEntryIds[$entryId])) { |
| 535 |
self::$encryptEntryIds[$entryId] = self::getTruncatedEncryptToken($entryId); |
| 536 |
} |
| 537 |
return self::$encryptEntryIds[$entryId]; |
| 538 |
} |
| 539 |
|
| 540 |
public static function getFullPathWithEncryptedEntryId($formId, $entryId) |
| 541 |
{ |
| 542 |
$uploadDir = rtrim(BITFORMS_UPLOAD_DIR, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $formId . DIRECTORY_SEPARATOR; |
| 543 |
$encryptDirectoryId = Helpers::getEncryptedEntryId($entryId); |
| 544 |
$encryptDirectory = $uploadDir . $encryptDirectoryId; |
| 545 |
if (is_dir($encryptDirectory)) { |
| 546 |
return $encryptDirectory; |
| 547 |
} |
| 548 |
|
| 549 |
$oldEntriesFileUploadDir = Helpers::getOldEntriesFileUploadDir($uploadDir, $entryId); |
| 550 |
if (!empty($oldEntriesFileUploadDir) && is_dir($oldEntriesFileUploadDir)) { |
| 551 |
return $oldEntriesFileUploadDir; |
| 552 |
} |
| 553 |
|
| 554 |
return $encryptDirectory; |
| 555 |
} |
| 556 |
|
| 557 |
public static function getWebPathWithEncryptedEntryId($formId, $entryId) |
| 558 |
{ |
| 559 |
$serverFileUploadDir = rtrim(BITFORMS_UPLOAD_DIR, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $formId . DIRECTORY_SEPARATOR; |
| 560 |
$webFileDirectory = BITFORMS_UPLOAD_BASE_URL . '/' . 'uploads' . '/' . $formId . '/'; |
| 561 |
$encryptDirectoryId = Helpers::getEncryptedEntryId($entryId); |
| 562 |
$encryptDirectory = $serverFileUploadDir . $encryptDirectoryId; |
| 563 |
if (is_dir($encryptDirectory)) { |
| 564 |
return $webFileDirectory . $encryptDirectoryId; |
| 565 |
} |
| 566 |
|
| 567 |
$authSaltEncryptedEntryId = Helpers::getAuthSaltEncryptToken($entryId); |
| 568 |
$authSaltEncryptedDirectory = $serverFileUploadDir . $authSaltEncryptedEntryId; |
| 569 |
if (!empty($authSaltEncryptedEntryId) && is_dir($authSaltEncryptedDirectory)) { |
| 570 |
return $webFileDirectory . $authSaltEncryptedEntryId; |
| 571 |
} |
| 572 |
$previousEntryDirectory = $serverFileUploadDir . $entryId; |
| 573 |
if (!empty($previousEntryDirectory) && is_dir($previousEntryDirectory)) { |
| 574 |
return $webFileDirectory . $entryId; |
| 575 |
} |
| 576 |
|
| 577 |
return $webFileDirectory . $encryptDirectoryId; |
| 578 |
} |
| 579 |
|
| 580 |
public static function getOldEntriesFileUploadDir($uploadDir, $entry_id) |
| 581 |
{ |
| 582 |
$authSaltEncryptedEntryId = Helpers::getAuthSaltEncryptToken($entry_id); |
| 583 |
$authSaltEncryptedDirectory = $uploadDir . $authSaltEncryptedEntryId; |
| 584 |
if (!empty($authSaltEncryptedEntryId) && is_dir($authSaltEncryptedDirectory)) { |
| 585 |
return $authSaltEncryptedDirectory; |
| 586 |
} |
| 587 |
$previousEntryDirectory = $uploadDir . $entry_id; |
| 588 |
if (!empty($previousEntryDirectory) && is_dir($previousEntryDirectory)) { |
| 589 |
return $previousEntryDirectory; |
| 590 |
} |
| 591 |
return ''; |
| 592 |
} |
| 593 |
|
| 594 |
public static function PDFPassHash($entryId) |
| 595 |
{ |
| 596 |
return abs(crc32($entryId)); |
| 597 |
} |
| 598 |
|
| 599 |
public static function encryptBinaryData($plaintext) |
| 600 |
{ |
| 601 |
$iv = openssl_random_pseudo_bytes(16); |
| 602 |
$encrypted = openssl_encrypt($plaintext, 'AES-256-CBC', BITFORMS_SECRET_KEY, OPENSSL_RAW_DATA, $iv); |
| 603 |
|
| 604 |
return bin2hex($iv . $encrypted); |
| 605 |
} |
| 606 |
|
| 607 |
public static function decryptBinaryData($encryptedHex) |
| 608 |
{ |
| 609 |
$decoded = hex2bin($encryptedHex); |
| 610 |
$iv = substr($decoded, 0, 16); |
| 611 |
$cipherText = substr($decoded, 16); |
| 612 |
|
| 613 |
return openssl_decrypt($cipherText, 'AES-256-CBC', BITFORMS_SECRET_KEY, OPENSSL_RAW_DATA, $iv); |
| 614 |
} |
| 615 |
|
| 616 |
/** |
| 617 |
* Sanitize user-provided HTML content by removing dangerous JS code |
| 618 |
* while allowing all valid HTML/CSS. |
| 619 |
* |
| 620 |
* @param string $html Raw HTML from user input |
| 621 |
* @return string Sanitized safe HTML |
| 622 |
*/ |
| 623 |
public static function sanitizeUserHTML(string $html): string |
| 624 |
{ |
| 625 |
// Remove <script> tags entirely |
| 626 |
$html = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $html); |
| 627 |
|
| 628 |
// Remove event handler attributes (like onclick, onload, etc.) |
| 629 |
$html = preg_replace_callback('/<[^>]+>/i', function ($matches) { |
| 630 |
return preg_replace('/\s*on\w+\s*=\s*"[^"]*"/i', '', $matches[0]); // on*="" |
| 631 |
}, $html); |
| 632 |
|
| 633 |
$html = preg_replace_callback('/<[^>]+>/i', function ($matches) { |
| 634 |
return preg_replace("/\s*on\w+\s*=\s*'[^']*'/i", '', $matches[0]); // on*='' |
| 635 |
}, $html); |
| 636 |
|
| 637 |
// Remove javascript: from href or src |
| 638 |
$html = preg_replace('/(href|src)\s*=\s*([\'"])\s*javascript:[^\'"]*\2/i', '', $html); |
| 639 |
|
| 640 |
return $html; |
| 641 |
} |
| 642 |
|
| 643 |
public static function sanitizeUrlParam($param) |
| 644 |
{ |
| 645 |
if (preg_match('/\.\.?\//', $param)) { |
| 646 |
return new WP_Error('parameter_error', 'Invalid URL parameter'); |
| 647 |
} |
| 648 |
|
| 649 |
$param = htmlspecialchars(trim($param), ENT_QUOTES, 'UTF-8'); |
| 650 |
return sanitize_text_field($param); |
| 651 |
} |
| 652 |
|
| 653 |
public static function replaceFieldsDefaultErrorMsg($fields) |
| 654 |
{ |
| 655 |
try { |
| 656 |
$appSettings = get_option('bitform_app_settings', (object) []); |
| 657 |
if (!isset($appSettings->globalMessages) || !isset($appSettings->globalMessages->err)) { |
| 658 |
return $fields; |
| 659 |
} |
| 660 |
|
| 661 |
$globalErrMsg = $appSettings->globalMessages->err; |
| 662 |
$templateCache = []; // [type_errKey] => compiled template |
| 663 |
|
| 664 |
foreach ($fields as $fieldKey => $field) { |
| 665 |
if (!isset($field->err) || !is_object($field->err)) { |
| 666 |
continue; |
| 667 |
} |
| 668 |
|
| 669 |
foreach ($field->err as $errKey => $errObj) { |
| 670 |
if (!isset($errObj->dflt)) { |
| 671 |
continue; |
| 672 |
} |
| 673 |
|
| 674 |
$cacheKey = $field->typ . '_' . $errKey; |
| 675 |
$template = null; |
| 676 |
|
| 677 |
// 1. Check Cache First |
| 678 |
if (isset($templateCache[$cacheKey])) { |
| 679 |
$template = $templateCache[$cacheKey]; |
| 680 |
} else { |
| 681 |
// 2. Lookup from globalErrMsg |
| 682 |
if (isset($globalErrMsg->{$field->typ}->{$errKey})) { |
| 683 |
$template = $globalErrMsg->{$field->typ}->{$errKey}; |
| 684 |
} elseif (isset($globalErrMsg->{$errKey}) && !is_object($globalErrMsg->{$errKey})) { |
| 685 |
$template = $globalErrMsg->{$errKey}; |
| 686 |
} |
| 687 |
|
| 688 |
// 3. Cache it |
| 689 |
if ($template) { |
| 690 |
$templateCache[$cacheKey] = $template; |
| 691 |
} |
| 692 |
} |
| 693 |
|
| 694 |
// 4. Apply Template if Found |
| 695 |
if ($template) { |
| 696 |
$finalMsg = self::replaceShortcodeInErrorMsg($template, $field); |
| 697 |
// 5. Sanitize final output |
| 698 |
$field->err->{$errKey}->dflt = wp_kses_post($finalMsg); |
| 699 |
} |
| 700 |
} |
| 701 |
|
| 702 |
$fields->{$fieldKey} = $field; |
| 703 |
} |
| 704 |
} catch (Exception $e) { |
| 705 |
Log::debug_log('Error In Replacing Fields Default Error messages: ' . $e->getMessage()); |
| 706 |
} |
| 707 |
return $fields; |
| 708 |
} |
| 709 |
|
| 710 |
//replace shortcode in error message |
| 711 |
public static function replaceShortcodeInErrorMsg($msg, $field) |
| 712 |
{ |
| 713 |
$shortcodes = [ |
| 714 |
'${field.label}' => isset($field->lbl) ? $field->lbl : '', |
| 715 |
'${field.minimum}' => isset($field->mn) ? $field->mn : '', |
| 716 |
'${field.maximum}' => isset($field->mx) ? $field->mx : '', |
| 717 |
'${field.minimum_file}' => isset($field->config->minFile) ? $field->config->minFile : '', |
| 718 |
'${field.maximum_file}' => isset($field->config->maxFile) ? $field->config->maxFile : '', |
| 719 |
'${field.maximum_size}' => isset($field->config->maxSize) ? $field->config->maxSize : '', |
| 720 |
'${field.minimum_amount}' => isset($field->config->minValue) ? $field->config->minValue : '', |
| 721 |
'${field.maximum_amount}' => isset($field->config->maxValue) ? $field->config->maxValue : '', |
| 722 |
]; |
| 723 |
$msg = str_replace(array_keys($shortcodes), array_values($shortcodes), $msg); |
| 724 |
return $msg; |
| 725 |
} |
| 726 |
|
| 727 |
public static function getDefaultGlobalMessages() |
| 728 |
{ |
| 729 |
$defaultGlobalMessages = [ |
| 730 |
'err' => [ |
| 731 |
'req' => '<p style="margin:0">' . __('This field is required', 'bit-form') . '</p>', |
| 732 |
'email' => [ |
| 733 |
'invalid' => '<p style="margin:0">' . __('Please, enter a valid email address', 'bit-form') . '</p>', |
| 734 |
], |
| 735 |
'url' => [ |
| 736 |
'invalid' => '<p style="margin:0">' . __('Please, enter a valid URL', 'bit-form') . '</p>', |
| 737 |
], |
| 738 |
'mn' => '<p style="margin:0">' . __('Minimum ${field.minimum} is required', 'bit-form') . '</p>', |
| 739 |
'mx' => '<p style="margin:0">' . __('Maximum ${field.maximum} is allowed', 'bit-form') . '</p>', |
| 740 |
'number' => [ |
| 741 |
'invalid' => '<p style="margin:0">' . __('Please, enter only numbers', 'bit-form') . '</p>', |
| 742 |
], |
| 743 |
'phone-number' => [ |
| 744 |
'invalid' => '<p style="margin:0">' . __('Please, enter a valid phone number', 'bit-form') . '</p>', |
| 745 |
], |
| 746 |
'check' => [ |
| 747 |
'mn' => '<p style="margin:0">' . __('Select at least ${field.minimum} option(s)', 'bit-form') . '</p>', |
| 748 |
'mx' => '<p style="margin:0">' . __('Please, select no more than ${field.maximum} option(s)', 'bit-form') . '</p>', |
| 749 |
], |
| 750 |
'select' => [ |
| 751 |
'mn' => '<p style="margin:0">' . __('Select at least ${field.minimum} option(s)', 'bit-form') . '</p>', |
| 752 |
'mx' => '<p style="margin:0">' . __('Please, select no more than ${field.maximum} option(s)', 'bit-form') . '</p>', |
| 753 |
], |
| 754 |
'image-select' => [ |
| 755 |
'mn' => '<p style="margin:0">' . __('Select at least ${field.minimum} option(s)', 'bit-form') . '</p>', |
| 756 |
'mx' => '<p style="margin:0">' . __('Please, select no more than ${field.maximum} option(s)', 'bit-form') . '</p>', |
| 757 |
], |
| 758 |
'inputMask' => '<p style="margin:0">' . __('Input does not match the required pattern', 'bit-form') . '</p>', |
| 759 |
'regexr' => '<p style="margin:0">' . __('Input does not match the required pattern', 'bit-form') . '</p>', |
| 760 |
'minFile' => '<p style="margin:0">' . __('Minimum ${field.minimum_file} file(s) required', 'bit-form') . '</p>', |
| 761 |
'maxFile' => '<p style="margin:0">' . __('Maximum ${field.maximum_file} file(s) allowed', 'bit-form') . '</p>', |
| 762 |
'maxSize' => '<p style="margin:0">' . __('Maximum file size exceeded. (Max: ${field.maximum_size}MB)', 'bit-form') . '</p>', |
| 763 |
'fileType' => '<p style="margin:0">' . __('File type is not supported', 'bit-form') . '</p>', |
| 764 |
'entryUnique' => '<p style="margin:0">' . __('This value is already taken. Please, choose a different one.', 'bit-form') . '</p>', |
| 765 |
'userUnique' => '<p style="margin:0">' . __('This username or email is already registered. Please, use another.', 'bit-form') . '</p>', |
| 766 |
'otherOptReq' => '<p style="margin:0">' . __('Custom Option Required', 'bit-form') . '</p>', |
| 767 |
'minValue' => '<p style="margin:0">' . __('Minimum amount of ${field.minimum_amount} is required', 'bit-form') . '</p>', |
| 768 |
'maxValue' => '<p style="margin:0">' . __('Maximum amount of ${field.maximum_amount} is allowed', 'bit-form') . '</p>', |
| 769 |
], |
| 770 |
]; |
| 771 |
|
| 772 |
// Convert array to object recursively |
| 773 |
return json_decode(json_encode($defaultGlobalMessages)); |
| 774 |
} |
| 775 |
|
| 776 |
public static function getBitformSalt() |
| 777 |
{ |
| 778 |
$salt = get_option('bitforms_salt'); |
| 779 |
if (!$salt) { |
| 780 |
$salt = bin2hex(\random_bytes(32)); |
| 781 |
update_option('bitforms_salt', $salt); |
| 782 |
} |
| 783 |
return $salt; |
| 784 |
} |
| 785 |
} |
| 786 |
|
