| @@ -1,100 +1,1005 @@ | ||
| 1 | 1 | <?php |
| 2 | + | |
| 2 | 3 | namespace BitCode\BitForm\Core\Util; |
| 3 | 4 | |
| 5 | +use BitCode\BitForm\Admin\Form\Helpers; | |
| 6 | +use BitCode\BitForm\Core\Form\FormManager; | |
| 7 | +use BitCode\BitForm\enshrined\svgSanitize\Sanitizer; | |
| 8 | + | |
| 9 | +if (!defined('ABSPATH')) { | |
| 10 | + exit; | |
| 11 | +} | |
| 4 | 12 | final class FileHandler |
| 5 | 13 | { |
| 6 | - public function rmrf($dir) | |
| 7 | - { | |
| 8 | - if (is_dir($dir)) { | |
| 9 | - $objects = scandir($dir); | |
| 10 | - foreach ($objects as $object) { | |
| 11 | - if ($object != "." && $object != "..") { | |
| 12 | - if (is_dir($dir. DIRECTORY_SEPARATOR .$object) && !is_link($dir.DIRECTORY_SEPARATOR.$object)) { | |
| 13 | - $this->rmrf($dir. DIRECTORY_SEPARATOR .$object); | |
| 14 | - } else { | |
| 15 | - unlink($dir. DIRECTORY_SEPARATOR .$object); | |
| 16 | - } | |
| 17 | - } | |
| 14 | + public function rmrf($dir) | |
| 15 | + { | |
| 16 | + $fs = self::initWpFilesystem(); | |
| 17 | + if ($fs && $fs->exists($dir)) { | |
| 18 | + $fs->delete($dir, true); | |
| 19 | + } | |
| 20 | + } | |
| 21 | + | |
| 22 | + public function cpyr($source, $destination) | |
| 23 | + { | |
| 24 | + if (is_dir($source)) { | |
| 25 | + wp_mkdir_p($destination); | |
| 26 | + // chmod($destination, 0744); | |
| 27 | + $objects = scandir($source); | |
| 28 | + foreach ($objects as $object) { | |
| 29 | + if ('.' !== $object && '..' !== $object) { | |
| 30 | + if (is_dir($source . DIRECTORY_SEPARATOR . $object) && !is_link($source . DIRECTORY_SEPARATOR . $object)) { | |
| 31 | + cpyr($source . DIRECTORY_SEPARATOR . $object, $destination . DIRECTORY_SEPARATOR . $object); | |
| 32 | + } elseif (is_file($source . DIRECTORY_SEPARATOR . $object)) { | |
| 33 | + copy($source . DIRECTORY_SEPARATOR . $object, $destination . DIRECTORY_SEPARATOR . $object); | |
| 34 | + // chmod($destination. DIRECTORY_SEPARATOR .$object, 0644); | |
| 35 | + } else { | |
| 36 | + symlink($source . DIRECTORY_SEPARATOR . $object, $destination . DIRECTORY_SEPARATOR . $object); | |
| 37 | + } | |
| 38 | + } | |
| 39 | + } | |
| 40 | + } else { | |
| 41 | + copy($source, $destination); | |
| 42 | + } | |
| 43 | + } | |
| 44 | + | |
| 45 | + public function moveUploadedFiles($file_details, $form_id, $entry_id) | |
| 46 | + { | |
| 47 | + require_once ABSPATH . 'wp-admin/includes/file.php'; | |
| 48 | + | |
| 49 | + $file_upoalded = []; | |
| 50 | + $_upload_dir = self::getEntriesFileUploadDir($form_id, $entry_id); | |
| 51 | + $_upload_url = self::getEntriesFileUploadURL($form_id, $entry_id); | |
| 52 | + $this::createIndexFile($_upload_dir); | |
| 53 | + | |
| 54 | + $upload_dir_filter = function ($uploads) use ($_upload_dir, $_upload_url) { | |
| 55 | + $uploads['path'] = $_upload_dir; | |
| 56 | + $uploads['url'] = $_upload_url; | |
| 57 | + $uploads['subdir'] = ''; | |
| 58 | + $uploads['basedir'] = dirname($_upload_dir); | |
| 59 | + $uploads['baseurl'] = dirname($_upload_url); | |
| 60 | + return $uploads; | |
| 61 | + }; | |
| 62 | + | |
| 63 | + if (is_array($file_details['name'])) { | |
| 64 | + foreach ($file_details['name'] as $key => $value) { | |
| 65 | + if (!empty($value)) { | |
| 66 | + $fileNameCount = 1; | |
| 67 | + $file_upoalded[$key] = sanitize_file_name($value); | |
| 68 | + while (file_exists($_upload_dir . DIRECTORY_SEPARATOR . $file_upoalded[$key])) { | |
| 69 | + $fileNameWithSeparator = BITFORMS_BF_SEPARATOR . $fileNameCount; | |
| 70 | + $file_upoalded[$key] = sanitize_file_name(preg_replace('/(.[a-z A-Z 0-9]+)$/', "{$fileNameWithSeparator}$1", $value)); | |
| 71 | + $fileNameCount = $fileNameCount + 1; | |
| 72 | + if (11 === $fileNameCount) { | |
| 73 | + break; | |
| 18 | 74 | } |
| 19 | - rmdir($dir); | |
| 75 | + } | |
| 76 | + $file = [ | |
| 77 | + 'name' => $file_upoalded[$key], | |
| 78 | + 'type' => $file_details['type'][$key] ?? '', | |
| 79 | + 'tmp_name' => $file_details['tmp_name'][$key], | |
| 80 | + 'error' => $file_details['error'][$key] ?? 0, | |
| 81 | + 'size' => $file_details['size'][$key] ?? 0, | |
| 82 | + ]; | |
| 83 | + add_filter('upload_dir', $upload_dir_filter); | |
| 84 | + $upload_result = wp_handle_upload($file, ['test_form' => false]); | |
| 85 | + remove_filter('upload_dir', $upload_dir_filter); | |
| 86 | + if (isset($upload_result['error'])) { | |
| 87 | + unset($file_upoalded[$key]); | |
| 88 | + } else { | |
| 89 | + $file_upoalded[$key] = basename($upload_result['file']); | |
| 90 | + } | |
| 91 | + } | |
| 92 | + } | |
| 93 | + } else { | |
| 94 | + if (!empty($file_details['name'])) { | |
| 95 | + $fileNameCount = 1; | |
| 96 | + $file_upoalded[0] = sanitize_file_name($file_details['name']); | |
| 97 | + while (file_exists($_upload_dir . DIRECTORY_SEPARATOR . $file_upoalded[0])) { | |
| 98 | + $fileNameWithSeparator = BITFORMS_BF_SEPARATOR . $fileNameCount; | |
| 99 | + $file_upoalded[0] = sanitize_file_name(preg_replace('/(.[a-z A-Z 0-9]+)$/', "{$fileNameWithSeparator}$1", $file_details['name'])); | |
| 100 | + $fileNameCount = $fileNameCount + 1; | |
| 101 | + if (11 === $fileNameCount) { | |
| 102 | + break; | |
| 103 | + } | |
| 104 | + } | |
| 105 | + $file = [ | |
| 106 | + 'name' => $file_upoalded[0], | |
| 107 | + 'type' => $file_details['type'] ?? '', | |
| 108 | + 'tmp_name' => $file_details['tmp_name'], | |
| 109 | + 'error' => $file_details['error'] ?? 0, | |
| 110 | + 'size' => $file_details['size'] ?? 0, | |
| 111 | + ]; | |
| 112 | + add_filter('upload_dir', $upload_dir_filter); | |
| 113 | + $upload_result = wp_handle_upload($file, ['test_form' => false]); | |
| 114 | + remove_filter('upload_dir', $upload_dir_filter); | |
| 115 | + if (isset($upload_result['error'])) { | |
| 116 | + unset($file_upoalded[0]); | |
| 20 | 117 | } else { |
| 21 | - unlink($dir); | |
| 118 | + $file_upoalded[0] = basename($upload_result['file']); | |
| 22 | 119 | } |
| 120 | + } | |
| 23 | 121 | } |
| 122 | + return $file_upoalded; | |
| 123 | + } | |
| 24 | 124 | |
| 25 | - public function cpyr($source, $destination) | |
| 26 | - { | |
| 27 | - if (is_dir($source)) { | |
| 28 | - mkdir($destination); | |
| 29 | - // chmod($destination, 0744); | |
| 30 | - $objects = scandir($source); | |
| 31 | - foreach ($objects as $object) { | |
| 32 | - if ($object != "." && $object != "..") { | |
| 33 | - if (is_dir($source. DIRECTORY_SEPARATOR .$object) && !is_link($source.DIRECTORY_SEPARATOR.$object)) { | |
| 34 | - cpyr($source. DIRECTORY_SEPARATOR .$object, $destination. DIRECTORY_SEPARATOR .$object); | |
| 35 | - } elseif (is_file($source. DIRECTORY_SEPARATOR .$object)) { | |
| 36 | - copy($source. DIRECTORY_SEPARATOR .$object, $destination. DIRECTORY_SEPARATOR .$object); | |
| 37 | - // chmod($destination. DIRECTORY_SEPARATOR .$object, 0644); | |
| 38 | - } else { | |
| 39 | - symlink($source. DIRECTORY_SEPARATOR .$object, $destination. DIRECTORY_SEPARATOR .$object); | |
| 40 | - } | |
| 41 | - } | |
| 42 | - } | |
| 43 | - } else { | |
| 44 | - copy($source, $destination); | |
| 125 | + public static function isSafeFileName($name) | |
| 126 | + { | |
| 127 | + if (!is_string($name)) { | |
| 128 | + return false; | |
| 129 | + } | |
| 130 | + | |
| 131 | + $trimmed = trim($name); | |
| 132 | + if ('' === $trimmed) { | |
| 133 | + return false; | |
| 134 | + } | |
| 135 | + | |
| 136 | + $baseName = basename($trimmed); | |
| 137 | + if ('' === $baseName || $baseName !== $trimmed || 'index.php' === $baseName) { | |
| 138 | + return false; | |
| 139 | + } | |
| 140 | + | |
| 141 | + return sanitize_file_name($trimmed) === $trimmed; | |
| 142 | + } | |
| 143 | + | |
| 144 | + public function deleteFiles($form_id, $entry_id, $files) | |
| 145 | + { | |
| 146 | + $_upload_dir = self::getEntriesFileUploadDir($form_id, $entry_id); | |
| 147 | + $resolvedBitformsUploadDir = realpath(BITFORMS_UPLOAD_DIR); | |
| 148 | + $resolvedUploadDir = realpath($_upload_dir); | |
| 149 | + if (false === $resolvedBitformsUploadDir || false === $resolvedUploadDir) { | |
| 150 | + return; | |
| 151 | + } | |
| 152 | + | |
| 153 | + $bitformsUploadDirPrefix = trailingslashit(wp_normalize_path($resolvedBitformsUploadDir)); | |
| 154 | + $uploadDirPrefix = trailingslashit(wp_normalize_path($resolvedUploadDir)); | |
| 155 | + if (0 !== strpos($uploadDirPrefix, $bitformsUploadDirPrefix)) { | |
| 156 | + return; | |
| 157 | + } | |
| 158 | + | |
| 159 | + foreach ((array) $files as $name) { | |
| 160 | + if (!self::isSafeFileName($name)) { | |
| 161 | + continue; | |
| 162 | + } | |
| 163 | + | |
| 164 | + $candidatePath = $resolvedUploadDir . DIRECTORY_SEPARATOR . $name; | |
| 165 | + $resolvedPath = realpath($candidatePath); | |
| 166 | + if (false === $resolvedPath || !is_file($resolvedPath)) { | |
| 167 | + continue; | |
| 168 | + } | |
| 169 | + | |
| 170 | + $normalizedPath = wp_normalize_path($resolvedPath); | |
| 171 | + if (0 !== strpos($normalizedPath, $uploadDirPrefix)) { | |
| 172 | + continue; | |
| 173 | + } | |
| 174 | + | |
| 175 | + wp_delete_file($resolvedPath); | |
| 176 | + } | |
| 177 | + } | |
| 178 | + | |
| 179 | + public static function getFileUploadError($code) | |
| 180 | + { | |
| 181 | + $errors = [ | |
| 182 | + 0 => __('Unknown upload error', 'bit-form'), | |
| 183 | + 1 => __('The uploaded file exceeds the upload_max_filesize directive in php.ini.', 'bit-form'), | |
| 184 | + 2 => __('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.', 'bit-form'), | |
| 185 | + 3 => __('The uploaded file was only partially uploaded.', 'bit-form'), | |
| 186 | + 4 => __('No file was uploaded.', 'bit-form'), | |
| 187 | + 6 => __('Missing a temporary folder.', 'bit-form'), | |
| 188 | + 7 => __('Failed to write file to disk.', 'bit-form'), | |
| 189 | + 8 => __('A PHP extension stopped the file upload.', 'bit-form'), | |
| 190 | + ]; | |
| 191 | + return $errors[$code]; | |
| 192 | + } | |
| 193 | + | |
| 194 | + public static function fileCopy($tmpdir, $destinationDir, $file) | |
| 195 | + { | |
| 196 | + $tmpBase = realpath($tmpdir); | |
| 197 | + $destBase = realpath($destinationDir); | |
| 198 | + if (false === $tmpBase || false === $destBase) { | |
| 199 | + Log::debug_log([ | |
| 200 | + 'message' => 'FileHandler::fileCopy base path invalid', | |
| 201 | + 'tmpdir' => $tmpdir, | |
| 202 | + 'destinationDir' => $destinationDir, | |
| 203 | + ]); | |
| 204 | + return; | |
| 205 | + } | |
| 206 | + | |
| 207 | + $safeFile = is_string($file) ? trim($file) : ''; | |
| 208 | + if ('' === $safeFile) { | |
| 209 | + return; | |
| 210 | + } | |
| 211 | + | |
| 212 | + $candidate = $tmpBase . DIRECTORY_SEPARATOR . $safeFile; | |
| 213 | + $resolved = realpath($candidate); | |
| 214 | + if (false === $resolved || 0 !== strpos($resolved, $tmpBase . DIRECTORY_SEPARATOR)) { | |
| 215 | + Log::debug_log([ | |
| 216 | + 'message' => 'FileHandler::fileCopy blocked path traversal', | |
| 217 | + 'file' => $file, | |
| 218 | + 'resolved' => $resolved, | |
| 219 | + 'tmpBase' => $tmpBase, | |
| 220 | + ]); | |
| 221 | + return; | |
| 222 | + } | |
| 223 | + if (!is_readable($resolved)) { | |
| 224 | + return; | |
| 225 | + } | |
| 226 | + | |
| 227 | + $newFile = $destBase . DIRECTORY_SEPARATOR . basename($resolved); | |
| 228 | + copy($resolved, $newFile); | |
| 229 | + } | |
| 230 | + | |
| 231 | + public static function tempDirToUploadDir($submitted_data, $fields, $formId, $entryID) | |
| 232 | + { | |
| 233 | + $upload_dir = wp_upload_dir(); | |
| 234 | + $tempDir = $upload_dir['basedir'] . '/bitforms/temp'; | |
| 235 | + $destinationDir = self::getEntriesFileUploadDir($formId, $entryID) . DIRECTORY_SEPARATOR; | |
| 236 | + self::createIndexFile($destinationDir); | |
| 237 | + | |
| 238 | + $consumedFiles = []; | |
| 239 | + | |
| 240 | + foreach ($submitted_data as $key => $data) { | |
| 241 | + if (isset($fields[$key]) && 'advanced-file-up' === $fields[$key]['type']) { | |
| 242 | + $fldData = $submitted_data[$key]; | |
| 243 | + // A repeater row (or a pre-split value) hands this field over as an array; explode() | |
| 244 | + // on an array is a TypeError on PHP 8, which would fatal mid-submission. | |
| 245 | + $files = \is_array($fldData) ? $fldData : explode(',', \is_scalar($fldData) ? (string) $fldData : ''); | |
| 246 | + foreach ($files as $file) { | |
| 247 | + $safeFile = \is_scalar($file) ? trim((string) $file) : ''; | |
| 248 | + if ('' === $safeFile) { | |
| 249 | + continue; | |
| 250 | + } | |
| 251 | + self::fileCopy($tempDir, $destinationDir, $safeFile); | |
| 252 | + $consumedFiles[] = $safeFile; | |
| 45 | 253 | } |
| 254 | + if (!empty($files)) { | |
| 255 | + $submitted_data[$key] = $files; | |
| 256 | + } | |
| 257 | + } | |
| 46 | 258 | } |
| 47 | 259 | |
| 48 | - public function moveUploadedFiles($file_details, $form_id, $entry_id) | |
| 49 | - { | |
| 50 | - $file_upoalded = array(); | |
| 51 | - $_upload_dir = BITFORMS_UPLOAD_DIR.DIRECTORY_SEPARATOR.$form_id.DIRECTORY_SEPARATOR.$entry_id; | |
| 52 | - wp_mkdir_p($_upload_dir); | |
| 53 | - if (is_array($file_details['name'])) { | |
| 54 | - foreach ($file_details['name'] as $key => $value) { | |
| 55 | - //check accepted filetype in_array($file_details['name'][$key], $supported_files) else \ | |
| 56 | - if (!empty($value)) { | |
| 57 | - $fileNameCount = 1; | |
| 58 | - // $file_upoalded[$key] = time()."_$value"; | |
| 59 | - $file_upoalded[$key] = sanitize_file_name($value); | |
| 60 | - while (file_exists($_upload_dir.DIRECTORY_SEPARATOR.$file_upoalded[$key])) { | |
| 61 | - $file_upoalded[$key] = sanitize_file_name(preg_replace("/(.[a-z A-Z 0-9]+)$/", "__{$fileNameCount}$1", $value)); | |
| 62 | - $fileNameCount = $fileNameCount + 1; | |
| 63 | - if ($fileNameCount === 11) { | |
| 64 | - break; | |
| 65 | - } | |
| 66 | - } | |
| 67 | - $move_status = \move_uploaded_file($file_details['tmp_name'][$key], $_upload_dir.DIRECTORY_SEPARATOR.$file_upoalded[$key]); | |
| 68 | - if (!$move_status) { | |
| 69 | - unset($file_upoalded[$key]); | |
| 70 | - } | |
| 71 | - } | |
| 72 | - } | |
| 73 | - } else { | |
| 74 | - if (!empty($file_details['name'])) { | |
| 75 | - $fileNameCount = 1; | |
| 76 | - $file_upoalded[0] = sanitize_file_name($file_details['name']); | |
| 77 | - while (file_exists($_upload_dir.DIRECTORY_SEPARATOR.$file_upoalded[0])) { | |
| 78 | - $file_upoalded[0] = sanitize_file_name(preg_replace("/(.[a-z A-Z 0-9]+)$/", "__{$fileNameCount}$1", $file_details['name'])); | |
| 79 | - $fileNameCount = $fileNameCount + 1; | |
| 80 | - if ($fileNameCount === 11) { | |
| 81 | - break; | |
| 82 | - } | |
| 83 | - } | |
| 84 | - $move_status = \move_uploaded_file($file_details['tmp_name'], $_upload_dir.DIRECTORY_SEPARATOR.$file_upoalded[0]); | |
| 85 | - if (!$move_status) { | |
| 86 | - unset($file_upoalded[0]); | |
| 87 | - } | |
| 88 | - } | |
| 260 | + self::cleanupTempUploads($tempDir, $consumedFiles); | |
| 261 | + | |
| 262 | + return $submitted_data; | |
| 263 | + } | |
| 264 | + | |
| 265 | + /** | |
| 266 | + * Clear the shared temp upload staging area after a submission has taken what it needs. | |
| 267 | + * | |
| 268 | + * @param string $tempDir shared staging directory | |
| 269 | + * @param array $consumedFiles file names copied into the entry directory by this submission | |
| 270 | + * | |
| 271 | + * @return void | |
| 272 | + */ | |
| 273 | + private static function cleanupTempUploads($tempDir, array $consumedFiles) | |
| 274 | + { | |
| 275 | + $tempBase = realpath($tempDir); | |
| 276 | + if (false === $tempBase) { | |
| 277 | + return; | |
| 278 | + } | |
| 279 | + $boundary = $tempBase . DIRECTORY_SEPARATOR; | |
| 280 | + | |
| 281 | + // Never remove the directory-hardening files the uploads dir relies on. | |
| 282 | + $protected = ['index.php', 'index.html', '.htaccess']; | |
| 283 | + | |
| 284 | + foreach ($consumedFiles as $file) { | |
| 285 | + $resolved = realpath($boundary . $file); | |
| 286 | + if (false === $resolved || 0 !== strpos($resolved, $boundary) || !is_file($resolved)) { | |
| 287 | + continue; | |
| 288 | + } | |
| 289 | + if (\in_array(basename($resolved), $protected, true)) { | |
| 290 | + continue; | |
| 291 | + } | |
| 292 | + wp_delete_file($resolved); | |
| 293 | + } | |
| 294 | + | |
| 295 | + // Sweep abandoned uploads. Anything still here after the retention window belongs to a form | |
| 296 | + // that was never submitted. Filterable so a site with very long multi-step forms can extend | |
| 297 | + // it; 0 or less disables the sweep entirely. | |
| 298 | + $retention = apply_filters('bitform_temp_upload_retention', DAY_IN_SECONDS); | |
| 299 | + $retention = is_numeric($retention) ? (int) $retention : DAY_IN_SECONDS; | |
| 300 | + if ($retention <= 0) { | |
| 301 | + return; | |
| 302 | + } | |
| 303 | + | |
| 304 | + $cutoff = time() - $retention; | |
| 305 | + $tmpFiles = glob($boundary . '*'); | |
| 306 | + foreach ((array) $tmpFiles as $tmpFile) { | |
| 307 | + $resolved = realpath($tmpFile); | |
| 308 | + if (false === $resolved || 0 !== strpos($resolved, $boundary) || !is_file($resolved)) { | |
| 309 | + continue; | |
| 310 | + } | |
| 311 | + if (\in_array(basename($resolved), $protected, true)) { | |
| 312 | + continue; | |
| 313 | + } | |
| 314 | + $modified = @filemtime($resolved); | |
| 315 | + if (false !== $modified && $modified < $cutoff) { | |
| 316 | + wp_delete_file($resolved); | |
| 317 | + } | |
| 318 | + } | |
| 319 | + } | |
| 320 | + | |
| 321 | + private function getByteSizeByUnit($sizeString) | |
| 322 | + { | |
| 323 | + // split 2MB into 2 and MB | |
| 324 | + $size = preg_replace('/[^0-9\.]/', '', $sizeString); | |
| 325 | + $unit = preg_replace('/[^a-zA-Z]/', '', $sizeString); | |
| 326 | + $unit = strtolower($unit); | |
| 327 | + if ('kb' === $unit) { | |
| 328 | + return $size * 1024; | |
| 329 | + } elseif ('mb' === $unit) { | |
| 330 | + return $size * 1024 * 1024; | |
| 331 | + } elseif ('gb' === $unit) { | |
| 332 | + return $size * 1024 * 1024 * 1024; | |
| 333 | + } else { | |
| 334 | + return $size; | |
| 335 | + } | |
| 336 | + } | |
| 337 | + | |
| 338 | + public function validation($field_key, $file_details, $form_id) | |
| 339 | + { | |
| 340 | + if (!function_exists('wp_check_filetype_and_ext')) { | |
| 341 | + require_once ABSPATH . 'wp-admin/includes/file.php'; | |
| 342 | + } | |
| 343 | + | |
| 344 | + $formManager = FormManager::getInstance($form_id); | |
| 345 | + $form_contents = $formManager->getFormContent(); | |
| 346 | + $field_content_details = $form_contents->fields; | |
| 347 | + $fieldDetail = $field_content_details->{$field_key}; | |
| 348 | + $fieldType = $fieldDetail->typ; | |
| 349 | + $maxSizeDetails = []; | |
| 350 | + $allowFileTypes = []; | |
| 351 | + $maxSize = null; | |
| 352 | + if ('file-up' === $fieldType) { | |
| 353 | + $allowFileTypes = !empty($fieldDetail->config->allowedFileType) ? $fieldDetail->config->allowedFileType : []; | |
| 354 | + if (!empty($fieldDetail->config->allowMaxSize)) { | |
| 355 | + if (!empty($fieldDetail->config->maxSize)) { | |
| 356 | + $maxSizeDetails['maxSize'] = $fieldDetail->config->maxSize . $fieldDetail->config->sizeUnit; | |
| 89 | 357 | } |
| 90 | - return $file_upoalded; | |
| 358 | + if (!empty($fieldDetail->config->isItTotalMax)) { | |
| 359 | + $maxSizeDetails['maxTotalFileSize'] = $fieldDetail->config->maxSize . $fieldDetail->config->sizeUnit; | |
| 360 | + } | |
| 361 | + } | |
| 362 | + if (!empty($allowFileTypes)) { | |
| 363 | + $allowFileTypes = explode(',', $allowFileTypes); | |
| 364 | + } | |
| 365 | + } elseif ('advanced-file-up' === $fieldType) { | |
| 366 | + $allowFileTypes = !empty($fieldDetail->config->allowFileTypeValidation) ? $fieldDetail->config->acceptedFileTypes : []; | |
| 367 | + if (!empty($fieldDetail->config->allowFileSizeValidation)) { | |
| 368 | + if (!empty($fieldDetail->config->maxFileSize)) { | |
| 369 | + $maxSizeDetails['maxSize'] = $fieldDetail->config->maxFileSize; | |
| 370 | + } | |
| 371 | + if (!empty($fieldDetail->config->maxTotalFileSize)) { | |
| 372 | + $maxSizeDetails['maxTotalFileSize'] = $fieldDetail->config->maxTotalFileSize; | |
| 373 | + } | |
| 374 | + } | |
| 91 | 375 | } |
| 376 | + if (!empty($maxSizeDetails['maxSize'])) { | |
| 377 | + $maxSize = $this->getByteSizeByUnit($maxSizeDetails['maxSize']); | |
| 378 | + } | |
| 379 | + $maxTotalFileSize = null; | |
| 380 | + if (!empty($maxSizeDetails['maxTotalFileSize'])) { | |
| 381 | + $maxTotalFileSize = $this->getByteSizeByUnit($maxSizeDetails['maxTotalFileSize']); | |
| 382 | + } | |
| 92 | 383 | |
| 93 | - public function deleteFiles($form_id, $entry_id, $files) | |
| 94 | - { | |
| 95 | - $_upload_dir = BITFORMS_UPLOAD_DIR.DIRECTORY_SEPARATOR.$form_id.DIRECTORY_SEPARATOR.$entry_id; | |
| 96 | - foreach ($files as $name) { | |
| 97 | - unlink($_upload_dir.DIRECTORY_SEPARATOR.$name); | |
| 384 | + if ($formManager->isRepeatedField($field_key)) { | |
| 385 | + foreach ($file_details['name'] as $rowIndex => $file) { | |
| 386 | + if (!empty($file)) { | |
| 387 | + $fileDetails = [ | |
| 388 | + 'name' => $file, | |
| 389 | + 'type' => $file_details['type'][$rowIndex], | |
| 390 | + 'tmp_name' => $file_details['tmp_name'][$rowIndex], | |
| 391 | + 'error' => $file_details['error'][$rowIndex], | |
| 392 | + 'size' => $file_details['size'][$rowIndex], | |
| 393 | + ]; | |
| 394 | + $validateState = $this->validateFileInfo($fieldType, $fileDetails, $allowFileTypes, $maxSize, $maxTotalFileSize); | |
| 395 | + if (!empty($validateState) && !empty($validateState['message'])) { | |
| 396 | + return $validateState; | |
| 397 | + } | |
| 98 | 398 | } |
| 399 | + } | |
| 400 | + } else { | |
| 401 | + return $this->validateFileInfo($fieldType, $file_details, $allowFileTypes, $maxSize, $maxTotalFileSize); | |
| 99 | 402 | } |
| 403 | + return []; | |
| 404 | + } | |
| 405 | + | |
| 406 | + private function validateFileInfo($fieldType, $file_details, $allowFileTypes, $maxSize, $maxTotalFileSize) | |
| 407 | + { | |
| 408 | + $errorMessage = [ | |
| 409 | + 'message' => '', | |
| 410 | + 'error_type' => '', | |
| 411 | + ]; | |
| 412 | + if (is_array($file_details['name'])) { | |
| 413 | + $totalSize = 0; | |
| 414 | + foreach ($file_details['name'] as $key => $file) { | |
| 415 | + if (!empty($file)) { | |
| 416 | + $fileInfo = [ | |
| 417 | + 'name' => $file, | |
| 418 | + 'type' => $file_details['type'][$key], | |
| 419 | + 'tmp_name' => $file_details['tmp_name'][$key], | |
| 420 | + 'error' => $file_details['error'][$key], | |
| 421 | + 'size' => $file_details['size'][$key], | |
| 422 | + ]; | |
| 423 | + $totalSize += $fileInfo['size']; | |
| 424 | + $validateState = $this->validateSingleFile($fieldType, $fileInfo, $allowFileTypes, $maxSize); | |
| 425 | + if (!empty($validateState)) { | |
| 426 | + return $validateState; | |
| 427 | + } | |
| 428 | + } | |
| 429 | + } | |
| 430 | + if (isset($maxTotalFileSize) && !is_null($maxTotalFileSize) && $totalSize > $maxTotalFileSize) { | |
| 431 | + $errorMessage['message'] = __('Total File size is too large', 'bit-form'); | |
| 432 | + $errorMessage['error_type'] = 'file_size_error'; | |
| 433 | + return $errorMessage; | |
| 434 | + } | |
| 435 | + } else { | |
| 436 | + $validateState = $this->validateSingleFile($fieldType, $file_details, $allowFileTypes, $maxSize); | |
| 437 | + if (!empty($validateState)) { | |
| 438 | + return $validateState; | |
| 439 | + } | |
| 440 | + } | |
| 441 | + | |
| 442 | + return $errorMessage; | |
| 443 | + } | |
| 444 | + | |
| 445 | + private function validateSingleFile($fieldType, &$file, $allowTypes, $maxSize = null) | |
| 446 | + { | |
| 447 | + // 0) Basic sanity & transport integrity | |
| 448 | + if (!is_array($file) || empty($file['tmp_name'])) { | |
| 449 | + // return ['message' => __('No file uploaded.', 'bit-form'), 'error_type' => 'file_missing']; | |
| 450 | + return null; | |
| 451 | + } | |
| 452 | + if (!isset($file['error']) || UPLOAD_ERR_OK !== (int)$file['error']) { | |
| 453 | + return ['message' => __('Upload failed', 'bit-form'), 'error_type' => 'file_upload_error']; | |
| 454 | + } | |
| 455 | + if (!is_uploaded_file($file['tmp_name'])) { | |
| 456 | + return ['message' => __('Untrusted upload source', 'bit-form'), 'error_type' => 'file_upload_error']; | |
| 457 | + } | |
| 458 | + if (!is_file($file['tmp_name']) || !is_readable($file['tmp_name'])) { | |
| 459 | + return ['message' => __('Temporary file not accessible', 'bit-form'), 'error_type' => 'file_upload_error']; | |
| 460 | + } | |
| 461 | + | |
| 462 | + $fileName = sanitize_file_name((string)($file['name'] ?? '')); | |
| 463 | + if ('' === $fileName) { | |
| 464 | + return ['message' => __('Empty filename', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 465 | + } | |
| 466 | + | |
| 467 | + // 1) Enforce max size (header + actual) | |
| 468 | + $onDiskSize = @filesize($file['tmp_name']); | |
| 469 | + if (false === $onDiskSize) { | |
| 470 | + return ['message' => __('Cannot read file size', 'bit-form'), 'error_type' => 'file_upload_error']; | |
| 471 | + } | |
| 472 | + if (!empty($maxSize) && $onDiskSize > $maxSize) { | |
| 473 | + return ['message' => __('File size is too large', 'bit-form'), 'error_type' => 'file_size_error']; | |
| 474 | + } | |
| 475 | + | |
| 476 | + // 2) Determine ext + MIME using WP + finfo | |
| 477 | + $wpCheck = wp_check_filetype_and_ext($file['tmp_name'], $fileName); // ['ext'=>'jpg','type'=>'image/jpeg'] | |
| 478 | + $fileExtension = strtolower((string)(empty($wpCheck['ext']) ? pathinfo($fileName, PATHINFO_EXTENSION) : $wpCheck['ext'])); | |
| 479 | + $wpExt = strtolower((string)(empty($wpCheck['ext']) ? $fileExtension : $wpCheck['ext'])); | |
| 480 | + $wpType = strtolower((string)($wpCheck['type'] ?? '')); | |
| 481 | + $fi = function_exists('finfo_open') ? @finfo_open(FILEINFO_MIME_TYPE) : false; | |
| 482 | + $detectedMime = $fi ? @finfo_file($fi, $file['tmp_name']) : false; | |
| 483 | + if ($fi) { | |
| 484 | + @finfo_close($fi); | |
| 485 | + } | |
| 486 | + if (!$detectedMime && function_exists('mime_content_type')) { | |
| 487 | + $detectedMime = @mime_content_type($file['tmp_name']); | |
| 488 | + } | |
| 489 | + if (!$detectedMime) { | |
| 490 | + $detectedMime = '' !== $wpType ? $wpType : 'application/octet-stream'; | |
| 491 | + } | |
| 492 | + $detectedMime = strtolower(trim($detectedMime)); | |
| 493 | + | |
| 494 | + // Hard-block risky types regardless | |
| 495 | + // 3) Block obvious executable types regardless of allow list | |
| 496 | + $disallowedMimes = apply_filters('bitform_filter_upload_disallowed_mimes', [ | |
| 497 | + 'application/x-php', | |
| 498 | + 'text/x-php', | |
| 499 | + 'application/x-msdownload', | |
| 500 | + 'application/x-msdos-program', | |
| 501 | + 'application/x-sh', | |
| 502 | + 'application/x-csh', | |
| 503 | + 'text/x-shellscript', | |
| 504 | + 'application/java-archive' | |
| 505 | + ]); | |
| 506 | + $denyExt = apply_filters('bitform_filter_upload_denied_extensions', ['php', 'phtml', 'phar', 'htaccess', 'html', 'js', 'exe', 'sh', 'bat', 'cmd']); | |
| 507 | + if (in_array($detectedMime, $disallowedMimes, true) || in_array($fileExtension, $denyExt, true)) { | |
| 508 | + return ['message' => __('This file type is not allowed', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 509 | + } | |
| 510 | + | |
| 511 | + // 4) Normalize allowlist: support both extensions (.jpg or jpg) and MIME types | |
| 512 | + // --- ALLOWLIST NORMALIZATION (extensions + MIME) --- | |
| 513 | + $normalizedAllow = array_values(array_unique(array_map(static function ($t) { | |
| 514 | + return strtolower(trim((string)$t)); | |
| 515 | + }, (array)$allowTypes))); | |
| 516 | + | |
| 517 | + $allowExts = []; | |
| 518 | + $allowMimes = []; | |
| 519 | + foreach ($normalizedAllow as $t) { | |
| 520 | + if ('' === $t) { | |
| 521 | + continue; | |
| 522 | + } | |
| 523 | + if (false !== strpos($t, '/')) { | |
| 524 | + // looks like a MIME | |
| 525 | + $allowMimes[] = $t; | |
| 526 | + } else { | |
| 527 | + // extension: may include leading dot; normalize without dot | |
| 528 | + $allowExts[] = ltrim($t, '.'); | |
| 529 | + } | |
| 530 | + } | |
| 531 | + | |
| 532 | + $allowExts = array_values(array_unique($allowExts)); | |
| 533 | + $allowMimes = array_values(array_unique($allowMimes)); | |
| 534 | + | |
| 535 | + $hasAllowlist = (!empty($allowExts) || !empty($allowMimes)); | |
| 536 | + $extMatch = in_array($fileExtension, $allowExts, true); | |
| 537 | + $mimeMatch = in_array($detectedMime, $allowMimes, true); | |
| 538 | + | |
| 539 | + // 5) Require BOTH a legit WP mapping AND a match to the allowlist | |
| 540 | + $wpOk = ('' !== $wpExt && '' !== $wpType); | |
| 541 | + | |
| 542 | + if ($hasAllowlist) { | |
| 543 | + if (!($extMatch || $mimeMatch)) { | |
| 544 | + return ['message' => __('File type is not allowed', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 545 | + } | |
| 546 | + } else { | |
| 547 | + if (!$wpOk) { | |
| 548 | + return ['message' => __('File type is not allowed', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 549 | + } | |
| 550 | + } | |
| 551 | + | |
| 552 | + // 5) Special SVG handling (by MIME, not just extension) | |
| 553 | + if ('svg' === $fileExtension || 'image/svg+xml' === $detectedMime || 'image/svg+xml' === $wpType) { | |
| 554 | + if ('image/svg+xml' !== $detectedMime) { | |
| 555 | + return ['message' => __('Invalid SVG', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 556 | + } | |
| 557 | + | |
| 558 | + $dirty = file_get_contents($file['tmp_name']); | |
| 559 | + $svg_sanitizer = new Sanitizer(); | |
| 560 | + $clean = $svg_sanitizer->sanitize($dirty); | |
| 561 | + if (false === $clean) { | |
| 562 | + return ['message' => __('SVG file is not valid', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 563 | + } | |
| 564 | + file_put_contents($file['tmp_name'], $clean, LOCK_EX); | |
| 565 | + // Re-check size post-sanitize | |
| 566 | + if (!empty($maxSize) && filesize($file['tmp_name']) > $maxSize) { | |
| 567 | + return ['message' => __('File size is too large after sanitation', 'bit-form'), 'error_type' => 'file_size_error']; | |
| 568 | + } | |
| 569 | + } | |
| 570 | + | |
| 571 | + if ('pdf' === $fileExtension || 'application/pdf' === $detectedMime || 'application/pdf' === $wpType) { | |
| 572 | + $blockedList = [ | |
| 573 | + '/\/JS\b/', | |
| 574 | + '/\/JavaScript\b/', | |
| 575 | + '/eval\(/i', | |
| 576 | + '/app\.alert/i', | |
| 577 | + '/console\.log\b/i', | |
| 578 | + '/document\.write\b/i', | |
| 579 | + | |
| 580 | + '/\/GoToR\b/i', | |
| 581 | + '/\/Launch\b/i', | |
| 582 | + | |
| 583 | + '/\/EmbeddedFile\b/i', | |
| 584 | + '/\/EmbeddedFiles\b/i', | |
| 585 | + '/\/Filespec\b/i', | |
| 586 | + '/\/FileAttachment\b/i', | |
| 587 | + | |
| 588 | + '/\/SubmitForm\b/i', | |
| 589 | + '/\/ResetForm\b/i', | |
| 590 | + '/\/ImportData\b/i', | |
| 591 | + | |
| 592 | + '/\/RichMedia\b/i', | |
| 593 | + ]; | |
| 594 | + | |
| 595 | + $pdfContent = file_get_contents($file['tmp_name']); | |
| 596 | + foreach ($blockedList as $blockedKeyWrd) { | |
| 597 | + if (preg_match($blockedKeyWrd, $pdfContent)) { | |
| 598 | + return ['message' => __('Invalid file', 'bit-form'), 'error_type' => 'file_type_error']; | |
| 599 | + } | |
| 600 | + } | |
| 601 | + } | |
| 602 | + | |
| 603 | + // --- Allow developer to make a final decision override (optional) --- | |
| 604 | + $final = apply_filters('bitform_filter_upload_allow_file', true, [ | |
| 605 | + 'file_name' => $fileName, | |
| 606 | + 'extension' => $fileExtension, | |
| 607 | + 'detected_mime' => $detectedMime, | |
| 608 | + 'wp_ext' => $wpExt, | |
| 609 | + 'wp_type' => $wpType, | |
| 610 | + 'allow_exts' => $allowExts, | |
| 611 | + 'allow_mimes' => $allowMimes, | |
| 612 | + 'has_allowlist' => $hasAllowlist, | |
| 613 | + ]); | |
| 614 | + if (true !== $final) { | |
| 615 | + // If a dev returns a WP_Error, you could extract message/type; here we just block. | |
| 616 | + return ['message' => __('File not allowed by policy', 'bit-form'), 'error_type' => 'file_policy_block']; | |
| 617 | + } | |
| 618 | + return null; // success | |
| 619 | + } | |
| 620 | + | |
| 621 | + public static function deleteIsFileExists($path) | |
| 622 | + { | |
| 623 | + if (file_exists($path)) { | |
| 624 | + wp_delete_file($path); | |
| 625 | + } | |
| 626 | + } | |
| 627 | + | |
| 628 | + public static function getEntriesFileUploadDir($form_id, $entry_id) | |
| 629 | + { | |
| 630 | + $uploadDir = rtrim(BITFORMS_UPLOAD_DIR, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $form_id . DIRECTORY_SEPARATOR; | |
| 631 | + $encrypted_directoryId = Helpers::getEncryptedEntryId($entry_id); | |
| 632 | + $encryptedDirectory = $uploadDir . $encrypted_directoryId; | |
| 633 | + if (is_dir($encryptedDirectory)) { | |
| 634 | + return $encryptedDirectory; | |
| 635 | + } | |
| 636 | + $oldEntriesFileUploadDir = Helpers::getOldEntriesFileUploadDir($uploadDir, $entry_id); | |
| 637 | + if (!empty($oldEntriesFileUploadDir) && is_dir($oldEntriesFileUploadDir)) { | |
| 638 | + return $oldEntriesFileUploadDir; | |
| 639 | + } | |
| 640 | + return $encryptedDirectory; | |
| 641 | + } | |
| 642 | + | |
| 643 | + private static function replaceDocumentRoot($path) | |
| 644 | + { | |
| 645 | + $uploadDir = wp_upload_dir(); | |
| 646 | + $basedir = wp_normalize_path(rtrim($uploadDir['basedir'], '/\\')); | |
| 647 | + $baseurl = rtrim($uploadDir['baseurl'], '/'); | |
| 648 | + $normalPath = wp_normalize_path($path); | |
| 649 | + | |
| 650 | + if (0 === strpos($normalPath, $basedir . '/') || $normalPath === $basedir) { | |
| 651 | + return $baseurl . substr($normalPath, strlen($basedir)); | |
| 652 | + } | |
| 653 | + | |
| 654 | + // Fallback: path outside uploads dir — strip ABSPATH and prepend home URL. | |
| 655 | + return home_url(ltrim(str_replace(wp_normalize_path(ABSPATH), '', $normalPath), '/')); | |
| 656 | + } | |
| 657 | + | |
| 658 | + public static function getEntriesFileUploadURL($form_id, $entry_id) | |
| 659 | + { | |
| 660 | + $documentRoot = self::getEntriesFileUploadDir($form_id, $entry_id); | |
| 661 | + $url = self::replaceDocumentRoot($documentRoot); | |
| 662 | + return $url; | |
| 663 | + } | |
| 664 | + | |
| 665 | + public static function createIndexFile($directory) | |
| 666 | + { | |
| 667 | + if (wp_mkdir_p($directory)) { | |
| 668 | + $indexFilePath = rtrim($directory, '/') . '/index.php'; | |
| 669 | + if (!file_exists($indexFilePath)) { | |
| 670 | + try { | |
| 671 | + if (false === self::writeFile($indexFilePath, "<?php\n// No direct access allowed.")) { | |
| 672 | + throw new \Exception("Failed to create index.php in $directory"); | |
| 673 | + } | |
| 674 | + } catch (\Exception $e) { | |
| 675 | + Log::debug_log('File creation Failed:' . $e->getMessage()); // Log the error for debugging | |
| 676 | + } | |
| 677 | + } | |
| 678 | + } | |
| 679 | + return false; | |
| 680 | + } | |
| 681 | + | |
| 682 | + /** | |
| 683 | + * Initialise and return the WP_Filesystem abstraction layer. | |
| 684 | + * | |
| 685 | + * @return WP_Filesystem_Base|false | |
| 686 | + */ | |
| 687 | + private static function initWpFilesystem() | |
| 688 | + { | |
| 689 | + global $wp_filesystem; | |
| 690 | + if (empty($wp_filesystem)) { | |
| 691 | + require_once ABSPATH . 'wp-admin/includes/file.php'; | |
| 692 | + WP_Filesystem(); | |
| 693 | + } | |
| 694 | + return $wp_filesystem; | |
| 695 | + } | |
| 696 | + | |
| 697 | + /** | |
| 698 | + * Write (overwrite) content to a file using WP_Filesystem. | |
| 699 | + * | |
| 700 | + * @param string $filePath Absolute path to the file. | |
| 701 | + * @param string $content Content to write. | |
| 702 | + * @return bool True on success, false on failure. | |
| 703 | + */ | |
| 704 | + public static function writeFile($filePath, $content) | |
| 705 | + { | |
| 706 | + $fs = self::initWpFilesystem(); | |
| 707 | + if ($fs) { | |
| 708 | + return $fs->put_contents($filePath, $content, FS_CHMOD_FILE); | |
| 709 | + } | |
| 710 | + // Fallback: file_put_contents is acceptable when WP_Filesystem is unavailable. | |
| 711 | + return false !== file_put_contents($filePath, $content); | |
| 712 | + } | |
| 713 | + | |
| 714 | + /** | |
| 715 | + * Append content to a file using WP_Filesystem. | |
| 716 | + * WP_Filesystem has no native append; we read + concatenate + write. | |
| 717 | + * | |
| 718 | + * @param string $filePath Absolute path to the file. | |
| 719 | + * @param string $content Content to append. | |
| 720 | + * @return bool True on success, false on failure. | |
| 721 | + */ | |
| 722 | + public static function appendFile($filePath, $content) | |
| 723 | + { | |
| 724 | + $fs = self::initWpFilesystem(); | |
| 725 | + if ($fs) { | |
| 726 | + $existing = $fs->exists($filePath) ? (string) $fs->get_contents($filePath) : ''; | |
| 727 | + return $fs->put_contents($filePath, $existing . $content, FS_CHMOD_FILE); | |
| 728 | + } | |
| 729 | + // Fallback: file_put_contents is acceptable when WP_Filesystem is unavailable. | |
| 730 | + return false !== file_put_contents($filePath, $content, FILE_APPEND | LOCK_EX); | |
| 731 | + } | |
| 732 | + | |
| 733 | + /** | |
| 734 | + * Read and return the full content of a file using WP_Filesystem. | |
| 735 | + * | |
| 736 | + * @param string $filePath Absolute path to the file. | |
| 737 | + * @return string File contents, or empty string if unreadable. | |
| 738 | + */ | |
| 739 | + public static function readFile($filePath) | |
| 740 | + { | |
| 741 | + $fs = self::initWpFilesystem(); | |
| 742 | + if ($fs && $fs->exists($filePath)) { | |
| 743 | + $content = $fs->get_contents($filePath); | |
| 744 | + return false !== $content ? $content : ''; | |
| 745 | + } | |
| 746 | + // Fallback. | |
| 747 | + if (file_exists($filePath)) { | |
| 748 | + $content = file_get_contents($filePath); | |
| 749 | + return false !== $content ? $content : ''; | |
| 750 | + } | |
| 751 | + return ''; | |
| 752 | + } | |
| 753 | + | |
| 754 | + public static function processRepeaterAttachment($repeaterKey, $fileKey, $fieldValue, $basePath, &$attachments) | |
| 755 | + { | |
| 756 | + if (!isset($fieldValue[$repeaterKey]) || !is_array($fieldValue[$repeaterKey])) { | |
| 757 | + return; | |
| 758 | + } | |
| 759 | + | |
| 760 | + foreach ($fieldValue[$repeaterKey] as $repeaterRow) { | |
| 761 | + if (!isset($repeaterRow[$fileKey]) || empty($repeaterRow[$fileKey])) { | |
| 762 | + continue; | |
| 763 | + } | |
| 764 | + | |
| 765 | + $fileValue = $repeaterRow[$fileKey]; | |
| 766 | + self::addAttachmentFiles($fileValue, $basePath, $attachments); | |
| 767 | + } | |
| 768 | + } | |
| 769 | + | |
| 770 | + public static function processRegularAttachment($fileKey, $fieldValue, $basePath, &$attachments) | |
| 771 | + { | |
| 772 | + if (!isset($fieldValue[$fileKey]) || empty($fieldValue[$fileKey])) { | |
| 773 | + return; | |
| 774 | + } | |
| 775 | + | |
| 776 | + $fileValue = $fieldValue[$fileKey]; | |
| 777 | + self::addAttachmentFiles($fileValue, $basePath, $attachments); | |
| 778 | + } | |
| 779 | + | |
| 780 | + private static function addAttachmentFiles($fileValue, $basePath, &$attachments) | |
| 781 | + { | |
| 782 | + $baseResolved = realpath($basePath); | |
| 783 | + if (false === $baseResolved) { | |
| 784 | + Log::debug_log([ | |
| 785 | + 'message' => 'FileHandler::addAttachmentFiles base path invalid', | |
| 786 | + 'basePath' => $basePath, | |
| 787 | + ]); | |
| 788 | + return; | |
| 789 | + } | |
| 790 | + | |
| 791 | + $addFile = static function ($candidate) use ($baseResolved, &$attachments) { | |
| 792 | + $safeFile = is_string($candidate) ? trim($candidate) : ''; | |
| 793 | + if ('' === $safeFile) { | |
| 794 | + return; | |
| 795 | + } | |
| 796 | + $path = $baseResolved . DIRECTORY_SEPARATOR . $safeFile; | |
| 797 | + $resolved = realpath($path); | |
| 798 | + if (false === $resolved || 0 !== strpos($resolved, $baseResolved . DIRECTORY_SEPARATOR)) { | |
| 799 | + Log::debug_log([ | |
| 800 | + 'message' => 'FileHandler::addAttachmentFiles blocked path traversal', | |
| 801 | + 'file' => $candidate, | |
| 802 | + 'resolved' => $resolved, | |
| 803 | + 'baseResolved' => $baseResolved, | |
| 804 | + ]); | |
| 805 | + return; | |
| 806 | + } | |
| 807 | + if (is_readable($resolved)) { | |
| 808 | + $attachments[] = $resolved; | |
| 809 | + } | |
| 810 | + }; | |
| 811 | + | |
| 812 | + if (is_array($fileValue)) { | |
| 813 | + foreach ($fileValue as $singleFile) { | |
| 814 | + $addFile($singleFile); | |
| 815 | + } | |
| 816 | + return; | |
| 817 | + } | |
| 818 | + | |
| 819 | + $addFile($fileValue); | |
| 820 | + } | |
| 821 | + | |
| 822 | + /** | |
| 823 | + * Return file type by checking with mime type | |
| 824 | + * @param string $mime | |
| 825 | + * @return string | |
| 826 | + */ | |
| 827 | + public static function getFileTypeByMime(string $mime) | |
| 828 | + { | |
| 829 | + $mime = strtolower($mime); | |
| 830 | + | |
| 831 | + if (preg_match('/^image\//', $mime)) { | |
| 832 | + return 'image'; | |
| 833 | + } | |
| 834 | + | |
| 835 | + $compressed = [ | |
| 836 | + 'application/zip', | |
| 837 | + 'application/x-rar-compressed', | |
| 838 | + 'application/x-7z-compressed', | |
| 839 | + 'application/gzip', | |
| 840 | + 'application/x-tar', | |
| 841 | + 'application/x-gtar', | |
| 842 | + 'application/x-bzip2', | |
| 843 | + 'application/x-archive', | |
| 844 | + 'application/vnd.debian.binary-package', | |
| 845 | + ]; | |
| 846 | + if (in_array($mime, $compressed, true)) { | |
| 847 | + return 'compressed'; | |
| 848 | + } | |
| 849 | + | |
| 850 | + $presentation = [ | |
| 851 | + 'application/vnd.ms-powerpoint', | |
| 852 | + 'application/vnd.openxmlformats-officedocument.presentationml.presentation', | |
| 853 | + 'application/vnd.oasis.opendocument.presentation', | |
| 854 | + 'application/vnd.apple.keynote', | |
| 855 | + ]; | |
| 856 | + if (in_array($mime, $presentation, true)) { | |
| 857 | + return 'presentation'; | |
| 858 | + } | |
| 859 | + | |
| 860 | + $document = [ | |
| 861 | + 'application/pdf', | |
| 862 | + 'application/msword', | |
| 863 | + 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', | |
| 864 | + 'application/rtf', | |
| 865 | + 'text/plain', | |
| 866 | + 'application/vnd.oasis.opendocument.text', | |
| 867 | + 'application/x-tex', | |
| 868 | + 'text/rtf', | |
| 869 | + ]; | |
| 870 | + if (in_array($mime, $document, true)) { | |
| 871 | + return 'document'; | |
| 872 | + } | |
| 873 | + | |
| 874 | + $data = [ | |
| 875 | + 'text/csv', | |
| 876 | + 'application/xml', | |
| 877 | + 'text/xml', | |
| 878 | + 'application/sql', | |
| 879 | + 'application/vnd.ms-excel', | |
| 880 | + 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', | |
| 881 | + 'application/x-sqlite3', | |
| 882 | + 'application/octet-stream', // generic binary (could be db files) | |
| 883 | + ]; | |
| 884 | + if (in_array($mime, $data, true)) { | |
| 885 | + return 'data'; | |
| 886 | + } | |
| 887 | + | |
| 888 | + if (preg_match('/^audio\//', $mime)) { | |
| 889 | + return 'audio'; | |
| 890 | + } | |
| 891 | + | |
| 892 | + if (preg_match('/^video\//', $mime)) { | |
| 893 | + return 'video'; | |
| 894 | + } | |
| 895 | + | |
| 896 | + return 'other'; | |
| 897 | + } | |
| 898 | + | |
| 899 | + /** | |
| 900 | + * Return file type by checking with extension | |
| 901 | + * @param string $extension | |
| 902 | + * @return string | |
| 903 | + */ | |
| 904 | + public static function getFileTypeByExtension($extension) | |
| 905 | + { | |
| 906 | + switch (strtolower($extension)) { | |
| 907 | + case 'xbm': | |
| 908 | + case 'tif': | |
| 909 | + case 'pjp': | |
| 910 | + case 'pjpeg': | |
| 911 | + case 'svgz': | |
| 912 | + case 'jpg': | |
| 913 | + case 'jpeg': | |
| 914 | + case 'ico': | |
| 915 | + case 'tiff': | |
| 916 | + case 'gif': | |
| 917 | + case 'svg': | |
| 918 | + case 'bmp': | |
| 919 | + case 'png': | |
| 920 | + case 'jfif': | |
| 921 | + case 'webp': | |
| 922 | + return 'image'; | |
| 923 | + | |
| 924 | + case '7z': | |
| 925 | + case 'arj': | |
| 926 | + case 'deb': | |
| 927 | + case 'pkg': | |
| 928 | + case 'rar': | |
| 929 | + case 'rpm': | |
| 930 | + case 'gz': | |
| 931 | + case 'z': | |
| 932 | + case 'zip': | |
| 933 | + return 'compressed'; | |
| 934 | + | |
| 935 | + case 'key': | |
| 936 | + case 'odp': | |
| 937 | + case 'pps': | |
| 938 | + case 'ppt': | |
| 939 | + case 'pptx': | |
| 940 | + return 'presentation'; | |
| 941 | + | |
| 942 | + case '_rf_': | |
| 943 | + case 'doc': | |
| 944 | + case 'docx': | |
| 945 | + case 'odt': | |
| 946 | + case 'pdf': | |
| 947 | + case 'rtf': | |
| 948 | + case 'tex': | |
| 949 | + case 'txt': | |
| 950 | + case 'wks': | |
| 951 | + case 'wps': | |
| 952 | + case 'wpd': | |
| 953 | + return 'document'; | |
| 954 | + | |
| 955 | + case 'csv': | |
| 956 | + case 'dat': | |
| 957 | + case 'db': | |
| 958 | + case 'dbf': | |
| 959 | + case 'log': | |
| 960 | + case 'mdb': | |
| 961 | + case 'sav': | |
| 962 | + case 'sql': | |
| 963 | + case 'tar': | |
| 964 | + case 'sqlite': | |
| 965 | + case 'xml': | |
| 966 | + return 'data'; | |
| 967 | + | |
| 968 | + case 'opus': | |
| 969 | + case 'flac': | |
| 970 | + case 'webm': | |
| 971 | + case 'weba': | |
| 972 | + case 'wav': | |
| 973 | + case 'ogg': | |
| 974 | + case 'm4a': | |
| 975 | + case 'mp3': | |
| 976 | + case 'oga': | |
| 977 | + case 'mid': | |
| 978 | + case 'amr': | |
| 979 | + case 'aiff': | |
| 980 | + case 'wma': | |
| 981 | + case 'au': | |
| 982 | + case 'acc': | |
| 983 | + case 'wpl': | |
| 984 | + return 'audio'; | |
| 985 | + | |
| 986 | + case 'ogm': | |
| 987 | + case 'wmv': | |
| 988 | + case 'mpg': | |
| 989 | + case 'ogv': | |
| 990 | + case 'mov': | |
| 991 | + case 'asx': | |
| 992 | + case 'mpeg': | |
| 993 | + case 'mp4': | |
| 994 | + case 'm4v': | |
| 995 | + case 'avi': | |
| 996 | + case '3gp': | |
| 997 | + case 'flv': | |
| 998 | + case 'mkv': | |
| 999 | + case 'swf': | |
| 1000 | + return 'video'; | |
| 1001 | + default: | |
| 1002 | + return 'other'; | |
| 1003 | + } | |
| 1004 | + } | |
| 100 | 1005 | } |
