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<?php |
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|
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namespace BitCode\BitForm\Admin\Form; |
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|
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use BitCode\BitForm\Core\Cryptography\Cryptography; |
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use BitCode\BitForm\Core\Database\FormEntryModel; |
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use BitCode\BitForm\Core\Util\Log; |
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use Exception; |
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|
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class Helpers |
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{ |
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private static $encryptEntryIds = []; |
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|
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public static $file_upload_types = ['file-up', 'advanced-file-up']; |
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|
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public static $repeated_array_type_data_fields = ['check', 'image-select']; |
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|
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public static function filterNullEntries($entries) |
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{ |
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$filteredEntries = []; |
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foreach ($entries as $entry) { |
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foreach ($entry as $key => $value) { |
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if (is_null($value)) { |
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unset($entry->$key); |
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} |
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} |
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if (count((array) $entry)) { |
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$filteredEntries[] = $entry; |
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} |
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} |
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return $filteredEntries; |
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} |
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|
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public static function scriptLoader($src, $id, $instanceObj = null, $selector = '', $attrs = [], $integrity = null, $contentId = '') |
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{ |
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$attributes = wp_json_encode($attrs); |
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$instObj = ''; |
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if ($instanceObj) { |
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$instObj .= <<<INST |
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script.onload = function () { |
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bfSelect('#{$contentId}').querySelectorAll('{$selector}').forEach(function(fld){ |
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$instanceObj; |
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}); |
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} |
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INST; |
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} |
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return <<<LOAD_SECRIPT |
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var script = document.createElement('script'), integrity = '$integrity', attrs = $attributes, id = '$id'; |
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script.src = '$src'; |
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script.id = id; |
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if(integrity){ |
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script.integrity = integrity; |
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script.crossOrigin = 'anonymous'; |
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} |
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if(attrs){ |
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Object.entries(attrs).forEach(function([key, val]){ |
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script.setAttribute(key,val); |
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}) |
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} |
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$instObj; |
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var bodyElm = document.body; |
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var alreadyExistScriptElm = bodyElm ? bodyElm.querySelector('script#$id'):null; |
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if(alreadyExistScriptElm){ |
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bodyElm.removeChild(alreadyExistScriptElm) |
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} |
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if(!(window.recaptcha && id === 'g-recaptcha-script')){ |
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bodyElm.appendChild(script); |
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} |
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LOAD_SECRIPT; |
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} |
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|
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public static function minifyJs($input) |
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{ |
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if ('' === trim($input)) { |
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return $input; |
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} |
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return preg_replace( |
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[ |
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'/ {2,}/', |
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'/\s*=\s*/', |
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'/\s*,\s*/', |
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'/\s+(?=\(|\{|\:|\?)|\t|(?:\r?\n[ \t]*)+/s' |
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], |
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[' ', '=', ',', ''], |
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$input |
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); |
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} |
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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('/', $path); // like "fieldname/user => [Fieldname, user] |
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foreach ($pathArr as $d) { |
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$rootDir .= $d . DIRECTORY_SEPARATOR; |
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if (!realpath($rootDir)) { |
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mkdir($rootDir); |
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} |
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} |
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$fullPath = $rootDir . $fileName; |
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$file = fopen($fullPath, $fileOpenMode); |
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if (false === $file) { |
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throw new Exception("Failed to open file: $fullPath"); |
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} |
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if (false === fwrite($file, $script)) { |
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throw new Exception("Failed to write to file: $fullPath"); |
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} |
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if (false === fclose($file)) { |
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throw new Exception("Failed to close file: $fullPath"); |
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} |
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return true; |
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} catch (\Exception $e) { |
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Log::debug_log($e->getMessage()); |
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return false; |
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} |
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} |
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|
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/** |
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* @method name : generatePathDirOrFile |
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* @dscription : generate path for js/css file |
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* @params : $path => like(dirName/css) |
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* @return : a string of full path |
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*/ |
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public static function generatePathDirOrFile($path) |
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{ |
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$rootDir = BITFORMS_CONTENT_DIR . DIRECTORY_SEPARATOR; |
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$path = trim($path, '/'); |
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$pathArr = explode('/', $path); // like "fieldname/user => [Fieldname, user] |
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foreach ($pathArr as $d) { |
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$rootDir .= $d . DIRECTORY_SEPARATOR; |
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} |
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return rtrim($rootDir, DIRECTORY_SEPARATOR); |
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} |
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|
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public static function fileRead($filePath) |
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{ |
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$fileContent = ''; |
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if (file_exists($filePath)) { |
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$file = fopen($filePath, 'r'); |
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$fileContent .= fread($file, filesize($filePath)); |
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fclose($file); |
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} |
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return $fileContent; |
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} |
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|
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public static function getDataFromNestedPath($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, $lastKey) |
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{ |
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foreach ($keys as $k) { |
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if (!property_exists($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; |
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} |
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|
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private static function accessFromArray($data, $keys, $lastKey) |
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{ |
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foreach ($keys as $k) { |
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if (!array_key_exists($k, $data)) { |
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return null; |
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} |
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$data = $data[$k]; |
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} |
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return isset($data[$lastKey]) ? $data[$lastKey] : null; |
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} |
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|
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public static function setDataToNestedPath($data, $key, $value) |
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{ |
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$keys = explode('->', $key); |
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$lastKey = array_pop($keys); |
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foreach ($keys as $k) { |
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if (!array_key_exists($k, $data)) { |
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$data->$k = (object) []; |
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} |
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$data = $data->$k; |
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} |
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$data->$lastKey = json_decode(wp_json_encode($value)); |
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; |
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return $data; |
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} |
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|
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public static function property_exists_nested($obj, $path = '', $valToCheck = null, $checkNegativeVal = 0) |
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{ |
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$path = explode('->', $path); |
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$current = $obj; |
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foreach ($path as $key) { |
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if (is_object($current)) { |
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if (property_exists($current, $key)) { |
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$current = $current->{$key}; |
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} else { |
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return false; |
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} |
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} else { |
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return false; |
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} |
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} |
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if (isset($valToCheck)) { |
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if ($checkNegativeVal) { |
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return $current !== $valToCheck; |
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} |
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return $current === $valToCheck; |
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} |
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return true; |
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} |
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|
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public static function validateEntryTokenAndUser($entryToken, $entryId) |
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{ |
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// check if the user is logged in |
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if (is_user_logged_in()) { |
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$user = wp_get_current_user(); |
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if (in_array('administrator', $user->roles) || current_user_can('manage_bitform')) { |
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return true; |
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} |
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$entryModel = new FormEntryModel(); |
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$entry = $entryModel->get( |
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'id, user_id, form_id', |
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[ |
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'id' => $entryId, |
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'user_id' => $user->ID |
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] |
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); |
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if (!is_wp_error($entry) && !empty($entry)) { |
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return true; |
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} |
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} |
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// check if the entry token is valid |
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if (isset($entryToken) && $entryToken) { |
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$decryptEntryId = Cryptography::decrypt($entryToken, AUTH_SALT); |
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if ($decryptEntryId === $entryId) { |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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|
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public static function validateFormEntryEditPermission($formId, $entryId) |
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{ |
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if (is_user_logged_in()) { |
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if (current_user_can('manage_bitform') || current_user_can('bitform_entry_edit') || current_user_can('edit_posts')) { |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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public static function honeypotEncryptedToken($str) |
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{ |
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$token = base64_encode(base64_encode($str)); |
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return $token; |
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} |
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|
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public static function csrfEecrypted() |
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{ |
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$secretKey = get_option('bf_csrf_secret'); |
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if (!$secretKey) { |
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$secretKey = 'bf-' . time(); |
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update_option('bf_csrf_secret', $secretKey); |
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} |
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$tIdenty = base64_encode(random_bytes(32)); |
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$csrf = \base64_encode(\hash_hmac('sha256', $tIdenty, $secretKey, true)); |
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return ['csrf' => $csrf, 't_identity' => $tIdenty]; |
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} |
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|
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public static function csrfDecrypted($identy, $token) |
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{ |
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$secretKey = get_option('bf_csrf_secret'); |
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return \hash_equals( |
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\base64_encode(\hash_hmac('sha256', $identy, $secretKey, true)), |
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$token |
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); |
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} |
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|
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public static function checkIsIntArr($arr) |
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{ |
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$filteredArray = array_filter($arr, 'is_numeric'); |
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$intArray = array_map('intval', $filteredArray); |
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$result = count($arr) === count($intArray); |
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|
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return $result; |
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} |
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|
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public static function getTruncatedEncryptToken($str, $length = 20) |
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{ |
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$token = hash_hmac('sha256', $str, AUTH_SALT); |
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return substr($token, 0, $length); |
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} |
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|
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public static function getEncryptedEntryId($entryId) |
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{ |
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if (!isset(self::$encryptEntryIds[$entryId])) { |
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self::$encryptEntryIds[$entryId] = self::getTruncatedEncryptToken($entryId); |
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} |
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return self::$encryptEntryIds[$entryId]; |
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} |
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} |
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|
