| @@ -1,6 +1,6 @@ | ||
| 1 | 1 | <?php |
| 2 | -if (!defined('ABSPATH') && !defined('MCDATAPATH')) exit; | |
| 2 | +if (!defined('ABSPATH') && !defined('MCDATAPATH') && !defined('PHP_ERR_MONIT_PATH')) exit; | |
| 3 | 3 | |
| 4 | 4 | if (!class_exists('WPRHelper')) : |
| 5 | 5 | class WPRHelper { |
| 6 | 6 | public static function safePregMatch($pattern, $subject, &$matches = null, $flags = 0, $offset = 0) { |
| @@ -48,6 +48,306 @@ | ||
| 48 | 48 | } |
| 49 | 49 | |
| 50 | 50 | return array_key_first($array); |
| 51 | 51 | } |
| 52 | + | |
| 53 | + public static function safePregReplace($replace_regex, $replace_string, $element, $limit = -1) { | |
| 54 | + if (!is_string($replace_regex) || !is_string($replace_string) || !is_string($element) || !is_int($limit)) { | |
| 55 | + return $element; | |
| 56 | + } | |
| 57 | + | |
| 58 | + $updated_element = preg_replace($replace_regex, $replace_string, $element, $limit); | |
| 59 | + | |
| 60 | + if ($updated_element === null && preg_last_error() !== PREG_NO_ERROR) { | |
| 61 | + return $element; | |
| 62 | + } | |
| 63 | + | |
| 64 | + return $updated_element; | |
| 65 | + } | |
| 66 | + | |
| 67 | + public static function safeStrReplace($search, $replace, $subject) { | |
| 68 | + if (!is_string($search) || !is_string($replace) || !is_string($subject)) { | |
| 69 | + return $subject; | |
| 70 | + } | |
| 71 | + $updated_subject = str_replace($search, $replace, $subject); | |
| 72 | + if ($updated_subject === null) { | |
| 73 | + return $subject; | |
| 74 | + } | |
| 75 | + return $updated_subject; | |
| 76 | + } | |
| 77 | + | |
| 78 | + public static function preInitWPHook($hook_name, $function_name, $priority, $accepted_args) { | |
| 79 | + global $wp_filter; | |
| 80 | + | |
| 81 | + // Check if $wp_filter is not initialized or not an array | |
| 82 | + if (!isset($wp_filter) || !is_array($wp_filter)) { | |
| 83 | + $wp_filter = array(); | |
| 84 | + } | |
| 85 | + | |
| 86 | + // Check if the hook exists in $wp_filter | |
| 87 | + if (!isset($wp_filter[$hook_name])) { | |
| 88 | + $wp_filter[$hook_name] = array(); | |
| 89 | + } | |
| 90 | + | |
| 91 | + // Check if the priority exists for the hook | |
| 92 | + if (!isset($wp_filter[$hook_name][$priority])) { | |
| 93 | + $wp_filter[$hook_name][$priority] = array(); | |
| 94 | + } | |
| 95 | + | |
| 96 | + // Add the filter function information to the $wp_filter array | |
| 97 | + $wp_filter[$hook_name][$priority][] = array( | |
| 98 | + 'function' => $function_name, | |
| 99 | + 'accepted_args' => $accepted_args, | |
| 100 | + ); | |
| 101 | + } | |
| 102 | + | |
| 103 | + public static function removePatternFromWpConfig($pattern) { | |
| 104 | + if (!defined('ABSPATH')) { | |
| 105 | + return; | |
| 106 | + } | |
| 107 | + | |
| 108 | + $wp_conf_paths = array( | |
| 109 | + rtrim(ABSPATH, DIRECTORY_SEPARATOR) . "/wp-config.php", | |
| 110 | + rtrim(ABSPATH, DIRECTORY_SEPARATOR) . "../wp-config.php" | |
| 111 | + ); | |
| 112 | + | |
| 113 | + if (file_exists($wp_conf_paths[0])) { | |
| 114 | + $fname = $wp_conf_paths[0]; | |
| 115 | + } elseif (file_exists($wp_conf_paths[1])) { | |
| 116 | + $fname = $wp_conf_paths[1]; | |
| 117 | + } else { | |
| 118 | + return; | |
| 119 | + } | |
| 120 | + | |
| 121 | + self::fileRemovePattern($fname, $pattern); | |
| 122 | + } | |
| 123 | + | |
| 124 | + public static function fileRemovePattern($fname, $pattern, $is_regex = false) { | |
| 125 | + if (!is_string($fname) || !is_string($pattern)) { | |
| 126 | + return; | |
| 127 | + } | |
| 128 | + | |
| 129 | + if (!WPRWPFileSystem::getInstance()->exists($fname)) { | |
| 130 | + return; | |
| 131 | + } | |
| 132 | + | |
| 133 | + $content = WPRWPFileSystem::getInstance()->getContents($fname); | |
| 134 | + if ($content !== false) { | |
| 135 | + if ($is_regex !== false) { | |
| 136 | + $modified_content = preg_replace($pattern, "", $content); | |
| 137 | + } else { | |
| 138 | + $modified_content = str_replace($pattern, "", $content); | |
| 139 | + } | |
| 140 | + | |
| 141 | + if (empty($modified_content)) { | |
| 142 | + return; | |
| 143 | + } | |
| 144 | + | |
| 145 | + if ($content !== $modified_content) { | |
| 146 | + WPRWPFileSystem::getInstance()->putContents($fname, $modified_content, | |
| 147 | + WPRWPFileSystem::getInstance()->getchmodOctal($fname)); | |
| 148 | + } | |
| 149 | + } | |
| 150 | + } | |
| 151 | + | |
| 152 | + public static function opensslEncrypt($plain_text, $cipher_algo, $encryption_key, $iv = null) { | |
| 153 | + if (!function_exists('openssl_encrypt') || !function_exists('openssl_get_cipher_methods') || | |
| 154 | + !function_exists('openssl_random_pseudo_bytes') || !function_exists('openssl_cipher_iv_length')) { | |
| 155 | + return array(false, "OpenSSL extension not found."); | |
| 156 | + } | |
| 157 | + | |
| 158 | + if (empty($plain_text) || !is_string($plain_text) || | |
| 159 | + empty($encryption_key) || !is_string($encryption_key)) { | |
| 160 | + return array(false, "Plain text or encryption key is not a valid string."); | |
| 161 | + } | |
| 162 | + | |
| 163 | + if (!in_array($cipher_algo, openssl_get_cipher_methods(), true)) { | |
| 164 | + return array(false, "Invalid cipher algorithm - " . $cipher_algo); | |
| 165 | + } | |
| 166 | + | |
| 167 | + if ($iv === null) { | |
| 168 | + $iv_length = openssl_cipher_iv_length($cipher_algo); | |
| 169 | + if ($iv_length === false) { | |
| 170 | + return array(false, "IV length not found."); | |
| 171 | + } | |
| 172 | + $iv = openssl_random_pseudo_bytes($iv_length); | |
| 173 | + if ($iv === false) { | |
| 174 | + return array(false, "IV generation failed."); | |
| 175 | + } | |
| 176 | + } | |
| 177 | + | |
| 178 | + if (strlen($iv) !== $iv_length) { | |
| 179 | + return array(false, "Invalid IV length. Expected length is " . $iv_length . " bytes."); | |
| 180 | + } | |
| 181 | + | |
| 182 | + $encrypted_data = openssl_encrypt($plain_text, $cipher_algo, $encryption_key, OPENSSL_RAW_DATA, $iv); | |
| 183 | + if ($encrypted_data === false) { | |
| 184 | + return array(false, "Encryption failed."); | |
| 185 | + } | |
| 186 | + | |
| 187 | + return array(true, ($iv . $encrypted_data)); | |
| 188 | + } | |
| 189 | + | |
| 190 | + public static function opensslDecrypt($data, $cipher_algo, $encryption_key) { | |
| 191 | + if (!function_exists('openssl_decrypt') || !function_exists('openssl_get_cipher_methods') || | |
| 192 | + !function_exists('openssl_cipher_iv_length')) { | |
| 193 | + return array(false, "OpenSSL extension not found."); | |
| 194 | + } | |
| 195 | + | |
| 196 | + if (empty($data) || !is_string($data) || empty($encryption_key) || !is_string($encryption_key)) { | |
| 197 | + return array(false, "Encrypted secret or encryption key is not a valid string."); | |
| 198 | + } | |
| 199 | + | |
| 200 | + if (!in_array($cipher_algo, openssl_get_cipher_methods(), true)) { | |
| 201 | + return array(false, "Invalid cipher algorithm - " . $cipher_algo); | |
| 202 | + } | |
| 203 | + | |
| 204 | + $iv_length = openssl_cipher_iv_length($cipher_algo); | |
| 205 | + if ($iv_length === false) { | |
| 206 | + return array(false, "IV length not found."); | |
| 207 | + } | |
| 208 | + | |
| 209 | + if (strlen($data) <= $iv_length) { | |
| 210 | + return array(false, "Data length is insufficient to contain IV."); | |
| 211 | + } | |
| 212 | + | |
| 213 | + $iv = substr($data, 0, $iv_length); | |
| 214 | + $encrypted_data = substr($data, $iv_length); | |
| 215 | + | |
| 216 | + if ($iv === false || $encrypted_data === false) { | |
| 217 | + return array(false, "IV or encrypted data not found."); | |
| 218 | + } | |
| 219 | + | |
| 220 | + $decrypted_data = openssl_decrypt($encrypted_data, $cipher_algo, $encryption_key, OPENSSL_RAW_DATA, $iv); | |
| 221 | + | |
| 222 | + if ($decrypted_data === false) { | |
| 223 | + return array(false, "Decryption failed."); | |
| 224 | + } | |
| 225 | + | |
| 226 | + return array(true, $decrypted_data); | |
| 227 | + } | |
| 228 | + | |
| 229 | + public static function get_direct_filesystem() { | |
| 230 | + require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php'; | |
| 231 | + require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php'; | |
| 232 | + return new WP_Filesystem_Direct(new StdClass()); | |
| 233 | + } | |
| 234 | + | |
| 235 | + /** | |
| 236 | + * Maybe unslash a value if WordPress is loaded | |
| 237 | + * | |
| 238 | + * @param string $value The value to potentially unslash | |
| 239 | + * @return string The unslashed value if WP is loaded, original value otherwise | |
| 240 | + */ | |
| 241 | + public static function maybeUnslashValue($value) { | |
| 242 | + if (function_exists('wp_unslash')) { | |
| 243 | + return wp_unslash($value); | |
| 244 | + } | |
| 245 | + return $value; | |
| 246 | + } | |
| 247 | + | |
| 248 | + /** | |
| 249 | + * Get and sanitize a string parameter from superglobal | |
| 250 | + * | |
| 251 | + * @param string $superglobal The superglobal type ('GET', 'POST', etc.) | |
| 252 | + * @param string $key The parameter key to retrieve | |
| 253 | + * @param string $context The sanitization context ('text', 'email', 'url') | |
| 254 | + * @return string|null Sanitized string value or null if invalid or unknown context | |
| 255 | + */ | |
| 256 | + public static function getStringParamSanitized($superglobal, $key, $context) { | |
| 257 | + $raw_value = self::getRawParam($superglobal, $key); | |
| 258 | + | |
| 259 | + if (!is_string($raw_value)) { | |
| 260 | + return null; | |
| 261 | + } | |
| 262 | + | |
| 263 | + switch ($context) { | |
| 264 | + case 'text': | |
| 265 | + if (!function_exists('sanitize_text_field')) { | |
| 266 | + return null; | |
| 267 | + } | |
| 268 | + return sanitize_text_field($raw_value); | |
| 269 | + case 'email': | |
| 270 | + if (!function_exists('sanitize_email')) { | |
| 271 | + return null; | |
| 272 | + } | |
| 273 | + return sanitize_email($raw_value); | |
| 274 | + case 'url': | |
| 275 | + if (!function_exists('esc_url_raw')) { | |
| 276 | + return null; | |
| 277 | + } | |
| 278 | + return esc_url_raw($raw_value); | |
| 279 | + default: | |
| 280 | + return null; | |
| 281 | + } | |
| 282 | + } | |
| 283 | + | |
| 284 | + /** | |
| 285 | + * Get and escape a string parameter from superglobal | |
| 286 | + * | |
| 287 | + * @param string $superglobal The superglobal type ('GET', 'POST', etc.) | |
| 288 | + * @param string $key The parameter key to retrieve | |
| 289 | + * @param string $context The escaping context ('attr', 'html', 'url') | |
| 290 | + * @return string|null Escaped string value or null if invalid or unknown context | |
| 291 | + */ | |
| 292 | + public static function getStringParamEscaped($superglobal, $key, $context) { | |
| 293 | + $raw_value = self::getRawParam($superglobal, $key); | |
| 294 | + | |
| 295 | + if (!is_string($raw_value)) { | |
| 296 | + return null; | |
| 297 | + } | |
| 298 | + | |
| 299 | + switch ($context) { | |
| 300 | + case 'attr': | |
| 301 | + if (!function_exists('esc_attr')) { | |
| 302 | + return null; | |
| 303 | + } | |
| 304 | + return esc_attr($raw_value); | |
| 305 | + case 'html': | |
| 306 | + if (!function_exists('esc_html')) { | |
| 307 | + return null; | |
| 308 | + } | |
| 309 | + return esc_html($raw_value); | |
| 310 | + case 'url': | |
| 311 | + if (!function_exists('esc_url')) { | |
| 312 | + return null; | |
| 313 | + } | |
| 314 | + return esc_url($raw_value); | |
| 315 | + default: | |
| 316 | + return null; | |
| 317 | + } | |
| 318 | + } | |
| 319 | + | |
| 320 | + // phpcs:disable WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Missing | |
| 321 | + /** | |
| 322 | + * Get raw parameter value from superglobal | |
| 323 | + * | |
| 324 | + * @param string $superglobal The superglobal type ('GET', 'POST', etc.) | |
| 325 | + * @param string $key The parameter key to retrieve | |
| 326 | + * @return mixed Raw parameter value or null if not found | |
| 327 | + */ | |
| 328 | + public static function getRawParam($superglobal, $key) { | |
| 329 | + $value = null; | |
| 330 | + | |
| 331 | + switch (strtoupper($superglobal)) { | |
| 332 | + case 'GET': | |
| 333 | + $value = isset($_GET[$key]) ? $_GET[$key] : null; | |
| 334 | + break; | |
| 335 | + case 'POST': | |
| 336 | + $value = isset($_POST[$key]) ? $_POST[$key] : null; | |
| 337 | + break; | |
| 338 | + case 'COOKIE': | |
| 339 | + $value = isset($_COOKIE[$key]) ? $_COOKIE[$key] : null; | |
| 340 | + break; | |
| 341 | + case 'REQUEST': | |
| 342 | + $value = isset($_REQUEST[$key]) ? $_REQUEST[$key] : null; | |
| 343 | + break; | |
| 344 | + case 'SERVER': | |
| 345 | + $value = isset($_SERVER[$key]) ? $_SERVER[$key] : null; | |
| 346 | + break; | |
| 347 | + } | |
| 348 | + | |
| 349 | + return $value !== null ? self::maybeUnslashValue($value) : null; | |
| 350 | + } | |
| 351 | + // phpcs:enable WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Missing | |
| 52 | 352 | } |
| 53 | 353 | endif; |
