| @@ -1,381 +1,64 @@ | ||
| 1 | 1 | <?php |
| 2 | -/** | |
| 3 | - * Plugin Name: CryptX | |
| 4 | - * Plugin URI: https://wordpress.org/plugins/cryptx/ | |
| 5 | - * Description: CryptX encrypts email addresses in your posts, pages, comments, and text widgets to protect them from spam bots while keeping them readable for your visitors. | |
| 6 | - * Version: 4.1.1 | |
| 2 | +/* | |
| 3 | + * Plugin Name: CryptX | |
| 4 | + * Plugin URI: http://weber-nrw.de/wordpress/cryptx/ | |
| 5 | + * Description: No more SPAM by spiders scanning you site for email addresses. With CryptX you can hide all your email addresses, with and without a mailto-link, by converting them using javascript or UNICODE. | |
| 6 | + * Version: 3.5.2 | |
| 7 | 7 | * Requires at least: 6.7 |
| 8 | - * Tested up to: 7.0 | |
| 9 | - * Requires PHP: 8.1 | |
| 10 | - * Author: Ralf Weber | |
| 11 | - * Author URI: https://weber-nrw.de/ | |
| 8 | + * Author: Ralf Weber | |
| 9 | + * Author URI: http://weber-nrw.de/ | |
| 12 | 10 | * License: GPL v2 or later |
| 13 | 11 | * License URI: https://www.gnu.org/licenses/gpl-2.0.html |
| 14 | - * Text Domain: cryptx | |
| 15 | - * | |
| 16 | - * CryptX is free software: you can redistribute it and/or modify | |
| 17 | - * it under the terms of the GNU General Public License as published by | |
| 18 | - * the Free Software Foundation, either version 2 of the License, or | |
| 19 | - * any later version. | |
| 20 | - * | |
| 21 | - * CryptX is distributed in the hope that it will be useful, | |
| 22 | - * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 23 | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 24 | - * GNU General Public License for more details. | |
| 25 | - * | |
| 26 | - * You should have received a copy of the GNU General Public License | |
| 27 | - * along with CryptX. If not, see https://www.gnu.org/licenses/gpl-2.0.html. | |
| 28 | - * | |
| 29 | - * @package CryptX | |
| 30 | - * @since 1.0.0 | |
| 31 | - */ | |
| 12 | + * Text Domain: cryptx | |
| 13 | +*/ | |
| 32 | 14 | |
| 33 | -// Prevent direct access | |
| 34 | -if (!defined('ABSPATH')) { | |
| 35 | - exit; | |
| 15 | +//avoid direct calls to this file, because now WP core and framework has been used | |
| 16 | +if ( ! function_exists( 'add_action' ) ) { | |
| 17 | + header( 'Status: 403 Forbidden' ); | |
| 18 | + header( 'HTTP/1.1 403 Forbidden' ); | |
| 19 | + exit(); | |
| 36 | 20 | } |
| 37 | 21 | |
| 38 | -// Plugin constants | |
| 39 | -define('CRYPTX_VERSION', '4.1.1'); | |
| 40 | -define('CRYPTX_PLUGIN_FILE', __FILE__); | |
| 41 | -define('CRYPTX_PLUGIN_BASENAME', plugin_basename(__FILE__)); | |
| 42 | -define('CRYPTX_BASENAME', plugin_basename(__FILE__)); // Add this missing constant | |
| 43 | -define('CRYPTX_DIR_PATH', plugin_dir_path(__FILE__)); | |
| 44 | -define('CRYPTX_DIR_URL', plugin_dir_url(__FILE__)); | |
| 45 | -define('CRYPTX_BASEFOLDER', dirname(CRYPTX_PLUGIN_BASENAME)); | |
| 22 | +/** @const CryptX version */ | |
| 23 | +define( 'CRYPTX_VERSION', "3.5.2" ); | |
| 24 | +define( 'CRYPTX_BASENAME', plugin_basename( __FILE__ ) ); | |
| 25 | +define( 'CRYPTX_BASEFOLDER', plugin_basename( dirname( __FILE__ ) ) ); | |
| 26 | +define( 'CRYPTX_DIR_URL', rtrim( plugin_dir_url( __FILE__ ), "/" ) . "/" ); | |
| 27 | +define( 'CRYPTX_DIR_PATH', plugin_dir_path( __FILE__ ) ); | |
| 28 | +define( 'CRYPTX_FILENAME', str_replace( CRYPTX_BASEFOLDER . '/', '', plugin_basename( __FILE__ ) ) ); | |
| 46 | 29 | |
| 47 | -// Minimum requirements. Keep these in sync with the plugin header above and | |
| 48 | -// with "Requires at least" / "Requires PHP" in readme.txt. They are defined | |
| 49 | -// once and used both for the check and for the notice, so the number shown to | |
| 50 | -// the user cannot drift away from the number actually enforced. | |
| 51 | -define('CRYPTX_MIN_PHP', '8.1'); | |
| 52 | -define('CRYPTX_MIN_WP', '6.7'); | |
| 30 | +spl_autoload_register(function ($class_name) { | |
| 31 | + // Handle classes in the CryptX namespace | |
| 32 | + if (strpos($class_name, 'CryptX\\') === 0) { | |
| 33 | + // Convert namespace separators to directory separators | |
| 34 | + $file_path = str_replace('\\', DIRECTORY_SEPARATOR, $class_name); | |
| 35 | + $file_path = str_replace('CryptX' . DIRECTORY_SEPARATOR, '', $file_path); | |
| 53 | 36 | |
| 54 | -/** | |
| 55 | - * Shows an admin notice to whoever is in a position to act on it. | |
| 56 | - * | |
| 57 | - * Registered on both admin_notices and network_admin_notices. Without the | |
| 58 | - * second, a network administrator working in the network backend -- the only | |
| 59 | - * person who can deactivate a network-activated plugin -- never saw that the | |
| 60 | - * server runs too old a PHP, or that a class file is missing. The capability | |
| 61 | - * differs per screen: on a site it is activate_plugins, in the network backend | |
| 62 | - * manage_network_plugins, which a mere site administrator does not hold. | |
| 63 | - * | |
| 64 | - * @param string $message The message, already translated and unescaped. | |
| 65 | - * | |
| 66 | - * @return void | |
| 67 | - */ | |
| 68 | -function cryptx_admin_notice(string $message): void | |
| 69 | -{ | |
| 70 | - $render = static function () use ($message): void { | |
| 71 | - $capability = is_network_admin() ? 'manage_network_plugins' : 'activate_plugins'; | |
| 37 | + // Construct the full file path | |
| 38 | + $file = CRYPTX_DIR_PATH . 'classes' . DIRECTORY_SEPARATOR . $file_path . '.php'; | |
| 72 | 39 | |
| 73 | - if (!current_user_can($capability)) { | |
| 74 | - return; | |
| 40 | + if (file_exists($file)) { | |
| 41 | + require_once $file; | |
| 75 | 42 | } |
| 76 | - | |
| 77 | - printf('<div class="notice notice-error"><p>%s</p></div>', esc_html($message)); | |
| 78 | - }; | |
| 79 | - | |
| 80 | - add_action('admin_notices', $render); | |
| 81 | - add_action('network_admin_notices', $render); | |
| 82 | -} | |
| 83 | - | |
| 84 | -if (version_compare(PHP_VERSION, CRYPTX_MIN_PHP, '<')) { | |
| 85 | - cryptx_admin_notice(sprintf( | |
| 86 | - /* translators: %1$s: Required PHP version, %2$s: Current PHP version */ | |
| 87 | - __('CryptX requires PHP version %1$s or higher. You are running version %2$s. Please update PHP.', 'cryptx'), | |
| 88 | - CRYPTX_MIN_PHP, | |
| 89 | - PHP_VERSION | |
| 90 | - )); | |
| 91 | - return; | |
| 92 | -} | |
| 93 | - | |
| 94 | -// WordPress version check | |
| 95 | -global $wp_version; | |
| 96 | -if (version_compare($wp_version, CRYPTX_MIN_WP, '<')) { | |
| 97 | - cryptx_admin_notice(sprintf( | |
| 98 | - /* translators: %1$s: Required WordPress version, %2$s: Current WordPress version */ | |
| 99 | - __('CryptX requires WordPress version %1$s or higher. You are running version %2$s. Please update WordPress.', 'cryptx'), | |
| 100 | - CRYPTX_MIN_WP, | |
| 101 | - $GLOBALS['wp_version'] | |
| 102 | - )); | |
| 103 | - return; | |
| 104 | -} | |
| 105 | - | |
| 106 | -// Autoloader for plugin classes | |
| 107 | -spl_autoload_register(function ($class) { | |
| 108 | - // Check if the class belongs to our namespace | |
| 109 | - if (strpos($class, 'CryptX\\') !== 0) { | |
| 110 | - return; | |
| 111 | 43 | } |
| 112 | - | |
| 113 | - // Remove namespace prefix | |
| 114 | - $class = substr($class, 7); | |
| 115 | - | |
| 116 | - // Convert namespace separators to directory separators | |
| 117 | - $class = str_replace('\\', DIRECTORY_SEPARATOR, $class); | |
| 118 | - | |
| 119 | - // Build the full path | |
| 120 | - $file = CRYPTX_DIR_PATH . 'classes' . DIRECTORY_SEPARATOR . $class . '.php'; | |
| 121 | - | |
| 122 | - // Include the file if it exists | |
| 123 | - if (file_exists($file)) { | |
| 124 | - require_once $file; | |
| 125 | - } | |
| 126 | 44 | }); |
| 127 | 45 | |
| 128 | -// The settings screen posts nothing: it talks to the REST routes in | |
| 129 | -// CryptX\Admin\RestController, which carry their own capability check and are | |
| 130 | -// covered by WordPress' REST nonce. The global cryptx_nonce_check() that used | |
| 131 | -// to sit here guarded $_POST['cryptX_var'], a key nothing has sent since the | |
| 132 | -// old settings form was removed in 4.1.0 -- a dead guard next to a live one is | |
| 133 | -// a trap for whoever wires up the next form. | |
| 134 | 46 | |
| 135 | -// Initialize the plugin | |
| 136 | -add_action('plugins_loaded', function() { | |
| 137 | - // Check if all required classes can be loaded | |
| 138 | - $requiredClasses = [ | |
| 139 | - 'CryptX\\CryptX', | |
| 140 | - 'CryptX\\Config', | |
| 141 | - 'CryptX\\SecureEncryption', | |
| 142 | - 'CryptX\\Admin\\SettingsPage', | |
| 143 | - 'CryptX\\Admin\\SettingsSchema', | |
| 144 | - 'CryptX\\Admin\\RestController', | |
| 145 | - ]; | |
| 47 | +//require_once( CRYPTX_DIR_PATH . 'classes/CryptX.php' ); | |
| 48 | +//require_once( CRYPTX_DIR_PATH . 'include/admin_option_page.php' ); | |
| 146 | 49 | |
| 147 | - $missingClasses = []; | |
| 148 | - foreach ($requiredClasses as $class) { | |
| 149 | - if (!class_exists($class)) { | |
| 150 | - $missingClasses[] = $class; | |
| 151 | - } | |
| 152 | - } | |
| 50 | +$CryptX_instance = CryptX\CryptX::get_instance(); | |
| 51 | +$CryptX_instance->startCryptX(); | |
| 153 | 52 | |
| 154 | - if (!empty($missingClasses)) { | |
| 155 | - cryptx_admin_notice( | |
| 156 | - __('CryptX: Missing required classes: ', 'cryptx') . implode(', ', $missingClasses) | |
| 157 | - ); | |
| 158 | - return; | |
| 159 | - } | |
| 160 | - | |
| 161 | - // Initialize the main plugin class | |
| 162 | - try { | |
| 163 | - $cryptx_instance = CryptX\CryptX::get_instance(); | |
| 164 | - $cryptx_instance->startCryptX(); | |
| 165 | - cryptx_register_action_links(); | |
| 166 | - } catch (Exception $e) { | |
| 167 | - cryptx_admin_notice( | |
| 168 | - __('CryptX initialization failed: ', 'cryptx') . $e->getMessage() | |
| 169 | - ); | |
| 170 | - } | |
| 171 | -}); | |
| 172 | - | |
| 173 | 53 | /** |
| 174 | - * Runs a callback once for every site of the network, in batches. | |
| 54 | + * Encrypts the given content using the CryptX WordPress plugin. | |
| 175 | 55 | * |
| 176 | - * get_sites() without a limit pulls the whole network into memory, and a | |
| 177 | - * network can have thousands of sites. Same construction as uninstall.php, | |
| 178 | - * deliberately: the two do the same job at opposite ends of the plugin's life, | |
| 179 | - * and one of them being cleverer than the other only makes both harder to | |
| 180 | - * trust. | |
| 56 | + * @param string|null $content The content to encrypt. | |
| 57 | + * @param array|null $args The optional arguments for the encryption. Default is an empty array. | |
| 181 | 58 | * |
| 182 | - * On a single site the callback simply runs once. | |
| 183 | - * | |
| 184 | - * @param callable $callback Receives nothing; runs with the site switched in. | |
| 185 | - * | |
| 186 | - * @return void | |
| 59 | + * @return string The encrypted content wrapped in the '[cryptx]' shortcode. | |
| 187 | 60 | */ |
| 188 | -function cryptx_for_each_site(callable $callback): void | |
| 189 | -{ | |
| 190 | - if (!is_multisite()) { | |
| 191 | - $callback(); | |
| 192 | - | |
| 193 | - return; | |
| 194 | - } | |
| 195 | - | |
| 196 | - $batch_size = 100; | |
| 197 | - $offset = 0; | |
| 198 | - | |
| 199 | - do { | |
| 200 | - $site_ids = get_sites([ | |
| 201 | - 'fields' => 'ids', | |
| 202 | - 'number' => $batch_size, | |
| 203 | - 'offset' => $offset, | |
| 204 | - 'orderby' => 'id', | |
| 205 | - 'update_site_meta_cache' => false, | |
| 206 | - ]); | |
| 207 | - | |
| 208 | - foreach ($site_ids as $site_id) { | |
| 209 | - switch_to_blog($site_id); | |
| 210 | - | |
| 211 | - // finally, so a failing callback does not leave the blog stack | |
| 212 | - // switched for whatever runs next. It does not keep the loop | |
| 213 | - // going: an exception still travels upwards and the remaining | |
| 214 | - // sites are skipped. Catching it here would hide a broken site | |
| 215 | - // instead, and that is a trade to make deliberately, not in | |
| 216 | - // passing. | |
| 217 | - try { | |
| 218 | - $callback(); | |
| 219 | - } finally { | |
| 220 | - restore_current_blog(); | |
| 221 | - } | |
| 222 | - } | |
| 223 | - | |
| 224 | - $offset += $batch_size; | |
| 225 | - } while (count($site_ids) === $batch_size); | |
| 226 | -} | |
| 227 | - | |
| 228 | -/** | |
| 229 | - * Removes the plugin's transients from the site that is currently switched in. | |
| 230 | - * | |
| 231 | - * @return void | |
| 232 | - */ | |
| 233 | -function cryptx_delete_transients(): void | |
| 234 | -{ | |
| 235 | - global $wpdb; | |
| 236 | - | |
| 237 | - // The LIKE patterns run through $wpdb->esc_like() and $wpdb->prepare(). | |
| 238 | - // No user input is involved here, so this is not a hole, but "_" is a | |
| 239 | - // single-character wildcard in LIKE: unescaped, '_transient_cryptx_%' also | |
| 240 | - // matches names like 'Xtransient1cryptxZ...' belonging to other plugins. | |
| 241 | - // esc_like() turns those underscores into literal ones. The table name is | |
| 242 | - // an identifier, not a value, and therefore must stay outside prepare(). | |
| 243 | - $transientLike = $wpdb->esc_like('_transient_cryptx_') . '%'; | |
| 244 | - $transientTimeoutLike = $wpdb->esc_like('_transient_timeout_cryptx_') . '%'; | |
| 245 | - | |
| 246 | - // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching | |
| 247 | - $wpdb->query($wpdb->prepare("DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", $transientLike)); | |
| 248 | - // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching | |
| 249 | - $wpdb->query($wpdb->prepare("DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", $transientTimeoutLike)); | |
| 250 | -} | |
| 251 | - | |
| 252 | -/** | |
| 253 | - * Sets up the plugin's options for the site that is currently switched in. | |
| 254 | - * | |
| 255 | - * @return void | |
| 256 | - */ | |
| 257 | -function cryptx_install_site(): void | |
| 258 | -{ | |
| 259 | - if (!class_exists('CryptX\\CryptX')) { | |
| 260 | - return; | |
| 261 | - } | |
| 262 | - | |
| 263 | - CryptX\CryptX::get_instance()->installCryptX(); | |
| 264 | -} | |
| 265 | - | |
| 266 | -// Activation. | |
| 267 | -// | |
| 268 | -// $network_wide is true when someone ticks "Network Activate". WordPress then | |
| 269 | -// fires this hook exactly once, not once per site -- so without the loop, every | |
| 270 | -// site but the current one is left without its stored options and, more to the | |
| 271 | -// point, without the one-time migration of the pre-4.0 "cryptxoff" post meta. | |
| 272 | -// The plugin still works there, because the defaults fill in, but a site that | |
| 273 | -// carried excluded posts from an old version would silently lose them. | |
| 274 | -register_activation_hook(__FILE__, function ($network_wide = false) { | |
| 275 | - if ($network_wide) { | |
| 276 | - cryptx_for_each_site('cryptx_install_site'); | |
| 277 | - } else { | |
| 278 | - cryptx_install_site(); | |
| 279 | - } | |
| 280 | - | |
| 281 | - flush_rewrite_rules(); | |
| 282 | -}); | |
| 283 | - | |
| 284 | -// Deactivation. Same reason, other direction: the transients of every site but | |
| 285 | -// the current one used to survive a network deactivation. | |
| 286 | -register_deactivation_hook(__FILE__, function ($network_wide = false) { | |
| 287 | - if ($network_wide) { | |
| 288 | - cryptx_for_each_site('cryptx_delete_transients'); | |
| 289 | - } else { | |
| 290 | - cryptx_delete_transients(); | |
| 291 | - } | |
| 292 | -}); | |
| 293 | - | |
| 294 | -// A site created while the plugin is network-active gets the same treatment as | |
| 295 | -// one that existed at activation time. Without this the new site works -- the | |
| 296 | -// defaults see to that -- but nothing is ever written until someone saves, and | |
| 297 | -// the behaviour differs from every other site in the network for no reason | |
| 298 | -// anybody could see. | |
| 299 | -add_action('wp_initialize_site', function ($site) { | |
| 300 | - // The network option directly, not is_plugin_active_for_network(): that | |
| 301 | - // lives in wp-admin/includes/plugin.php, which is not loaded when a site is | |
| 302 | - // created over the REST API or WP-CLI -- exactly the paths that create sites | |
| 303 | - // in bulk. | |
| 304 | - $network_active = get_site_option('active_sitewide_plugins', []); | |
| 305 | - | |
| 306 | - if (!isset($network_active[CRYPTX_PLUGIN_BASENAME])) { | |
| 307 | - return; | |
| 308 | - } | |
| 309 | - | |
| 310 | - $site_id = is_object($site) ? (int) $site->blog_id : (int) $site; | |
| 311 | - | |
| 312 | - switch_to_blog($site_id); | |
| 313 | - cryptx_install_site(); | |
| 314 | - restore_current_blog(); | |
| 315 | -}, 20); | |
| 316 | - | |
| 317 | -// Add plugin action links. | |
| 318 | -// | |
| 319 | -// Registered inside the successful-initialisation path on purpose, not at the | |
| 320 | -// top level of this file. It refers to a class constant, and the plugins screen | |
| 321 | -// is exactly where someone goes to switch off a plugin whose class files are | |
| 322 | -// missing -- a fatal error there would take away the only lever they have. | |
| 323 | -// A plugin that did not initialise has no settings page to link to anyway. | |
| 324 | -function cryptx_register_action_links(): void | |
| 325 | -{ | |
| 326 | - add_filter('plugin_action_links_' . CRYPTX_PLUGIN_BASENAME, function ($links) { | |
| 327 | - $settings_link = '<a href="' . | |
| 328 | - esc_url(admin_url('options-general.php?page=' . CryptX\Admin\SettingsPage::MENU_SLUG)) . | |
| 329 | - '">' . esc_html__('Settings', 'cryptx') . '</a>'; | |
| 330 | - array_unshift($links, $settings_link); | |
| 331 | - | |
| 332 | - return $links; | |
| 333 | - }); | |
| 334 | -} | |
| 335 | - | |
| 336 | -/** | |
| 337 | - * Encrypts the given content using the CryptX library and wraps it with a shortcode. | |
| 338 | - * | |
| 339 | - * @param string $content The content to be encrypted. | |
| 340 | - * @param array|null $args Optional arguments to customize the encryption process. | |
| 341 | - * | |
| 342 | - * @return string The encrypted content wrapped in the appropriate shortcode. | |
| 343 | - */ | |
| 344 | -if (!function_exists('cryptx_encrypt')) { | |
| 345 | - function cryptx_encrypt(string $content, ?array $args = []): string | |
| 346 | - { | |
| 347 | - $cryptXInstance = Cryptx\CryptX::get_instance(); | |
| 348 | - // $attributesString contains the escaped (esc_attr()) shortcode attributes from $args | |
| 349 | - // The signature allows null, convertArrayToArgumentString() does not. | |
| 350 | - $attributesString = $cryptXInstance->convertArrayToArgumentString($args ?? []); | |
| 351 | - | |
| 352 | - // wp_kses_post() and not esc_html(): the caller passes content, and | |
| 353 | - // content in WordPress may carry markup. esc_html() turned a "<br>" in | |
| 354 | - // a theme field into a visible "<br>" -- reported in the support | |
| 355 | - // forum, and worked around there with html_entity_decode(), which | |
| 356 | - // undoes the plugin's own protection in the Unicode and entity modes. | |
| 357 | - // wp_kses_post keeps what a post may contain and drops the rest. | |
| 358 | - $shortcode = '[cryptx' . $attributesString . ']' . wp_kses_post($content) . '[/cryptx]'; | |
| 359 | - | |
| 360 | - return do_shortcode($shortcode); | |
| 361 | - } | |
| 362 | -} | |
| 363 | - | |
| 364 | -/** | |
| 365 | - * Encrypts the given content using the CryptX library and wraps it with a shortcode. | |
| 366 | - * | |
| 367 | - * @deprecated 4.0.5 Use cryptx_encrypt() instead. | |
| 368 | - * @see cryptx_encrypt() | |
| 369 | - */ | |
| 370 | -if (!function_exists('encryptx')) { | |
| 371 | - function encryptx(string $content, ?array $args = []): string | |
| 372 | - { | |
| 373 | - _doing_it_wrong( | |
| 374 | - 'encryptx', | |
| 375 | - esc_html__('This function is deprecated. Use cryptx_encrypt() instead.', 'cryptx'), | |
| 376 | - '4.0.5' | |
| 377 | - ); | |
| 378 | - | |
| 379 | - return cryptx_encrypt($content, $args); | |
| 380 | - } | |
| 61 | +function encryptx( ?string $content, ?array $args = [] ): string { | |
| 62 | + $CryptX_instance = Cryptx\CryptX::get_instance(); | |
| 63 | + return do_shortcode( '[cryptx'. $CryptX_instance->convertArrayToArgumentString( $args ).']' . $content . '[/cryptx]' ); | |
| 381 | 64 | } |
