| @@ -25,11 +25,9 @@ | ||
| 25 | 25 | * @return void |
| 26 | 26 | */ |
| 27 | 27 | public function __construct( $core ) { |
| 28 | 28 | parent::__construct( $core ); |
| 29 | - | |
| 30 | 29 | add_action( 'activated_plugin', [ $this, 'redirect_activation' ], 10, 2 ); |
| 31 | - add_action( 'updated_option', [ $this, 'updated_option' ], 10, 3 ); | |
| 32 | 30 | } |
| 33 | 31 | |
| 34 | 32 | /** |
| 35 | 33 | * Redirect the user to our settings page after plugin activation. |
| @@ -42,21 +40,10 @@ | ||
| 42 | 40 | if ( defined( 'WP_CLI' ) && WP_CLI ) { |
| 43 | 41 | return; |
| 44 | 42 | } |
| 45 | 43 | |
| 46 | - // Only if it's the current plugin. | |
| 47 | - if ( $plugin == $this->plugin->basename && ! isset( $_REQUEST['_ajax_nonce'] ) ) { | |
| 44 | + if ( $plugin == $this->plugin->basename ) { | |
| 48 | 45 | |
| 49 | - // If plugin bulk activate through wp-admin, we ignore the redirect if it's more than 1 plugin. | |
| 50 | - if ( isset( $_POST['checked'] ) && is_array( $_POST['checked'] ) && count( $_POST['checked'] ) > 1 ) { | |
| 51 | - return; | |
| 52 | - } | |
| 53 | - | |
| 54 | - // If the plugin is already connected or API activated, no need to redirect again. | |
| 55 | - if ( $this->license_is_active() || $this->is_connected() ) { | |
| 56 | - return; | |
| 57 | - } | |
| 58 | - | |
| 59 | 46 | // Determine if secret token was set, if so, sync with API. |
| 60 | 47 | $attemptAuto = false; |
| 61 | 48 | $secretToken = get_option( 'patchstack_activation_secret', '' ); |
| 62 | 49 | if ( ! empty( $secretToken ) ) { |
| @@ -64,11 +51,11 @@ | ||
| 64 | 51 | } |
| 65 | 52 | |
| 66 | 53 | // In case of multisite, we want to redirect the user to a different page. |
| 67 | 54 | if ( $network_activation ) { |
| 68 | - wp_safe_redirect( network_admin_url( 'admin.php?page=patchstack-multisite-settings&tab=multisite&ps_activated=1' . ($attemptAuto ? '&ps_autoa=1' : '' ) ) ); | |
| 55 | + wp_safe_redirect( network_admin_url( 'admin.php?page=patchstack-multisite-settings&tab=multisite&ps_activated=1' . ($attemptAuto ? '&ps_autoa=1' : '') ) ); | |
| 69 | 56 | } else { |
| 70 | - wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name . '&ps_activated=1' . ($attemptAuto ? '&ps_autoa=1' : '' ) ) ); | |
| 57 | + wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name . '&ps_activated=1' . ($attemptAuto ? '&ps_autoa=1' : '') ) ); | |
| 71 | 58 | } |
| 72 | 59 | exit; |
| 73 | 60 | } |
| 74 | 61 | } |
| @@ -105,16 +92,16 @@ | ||
| 105 | 92 | ); |
| 106 | 93 | |
| 107 | 94 | // Check if we can access the API. |
| 108 | 95 | if ( is_wp_error( $response ) ) { |
| 109 | - $this->activation_errors[] = 'We were unable to contact our API server. Please contact your host and ask them to make sure that outgoing connections to api.patchstack.com are not blocked.<br />Additional error message to give to your host: ' . $response->get_error_message(); | |
| 96 | + $this->activation_errors[] = 'We were unable to contact our API server. Please contact your host and ask them to make sure that outgoing connections to api.webarxsecurity.com and api.patchstack.com are not blocked.<br />Additional error message to give to your host: ' . $response->get_error_message(); | |
| 110 | 97 | return false; |
| 111 | 98 | } |
| 112 | 99 | |
| 113 | 100 | // Do checks for required classes / functions or similar. |
| 114 | 101 | // Add detailed messages to $this->activation_errors array. |
| 115 | - if ( version_compare( phpversion(), '5.6.0', '<' ) ) { | |
| 116 | - $this->activation_errors[] = 'Please update the PHP version on your host to at least 5.6.0. Ask your host if you do not know what this means.'; | |
| 102 | + if ( version_compare( phpversion(), '5.3.0', '<' ) ) { | |
| 103 | + $this->activation_errors[] = 'Please update the PHP version on your host to at least 5.3.0. Ask your host if you do not know what this means.'; | |
| 117 | 104 | return false; |
| 118 | 105 | } |
| 119 | 106 | |
| 120 | 107 | global $wp_version; |
| @@ -171,9 +158,9 @@ | ||
| 171 | 158 | |
| 172 | 159 | // Deactivate the plugin. |
| 173 | 160 | include_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 174 | 161 | deactivate_plugins( [ 'webarx/webarx.php' ] ); |
| 175 | - update_option( 'patchstack_license_free', '0', true ); | |
| 162 | + update_option( 'patchstack_license_free', '0' ); | |
| 176 | 163 | } |
| 177 | 164 | |
| 178 | 165 | // Make sure any rewrite functionality has been loaded. |
| 179 | 166 | $this->migrate(); |
| @@ -188,9 +175,9 @@ | ||
| 188 | 175 | } elseif ( get_option( 'patchstack_clientid', false ) != false && get_option( 'patchstack_secretkey', false ) != false ) { |
| 189 | 176 | $this->alter_license( get_option( 'patchstack_clientid' ), $this->get_secret_key(), 'activate' ); |
| 190 | 177 | } else { |
| 191 | 178 | $sendSecret = true; |
| 192 | - update_option( 'patchstack_license_free', '1', true ); | |
| 179 | + update_option( 'patchstack_license_free', '1' ); | |
| 193 | 180 | } |
| 194 | 181 | |
| 195 | 182 | // Update firewall status after activating plugin |
| 196 | 183 | $api = new P_Api( $core ); |
| @@ -211,11 +198,14 @@ | ||
| 211 | 198 | do_action( 'patchstack_post_firewall_rules' ); |
| 212 | 199 | do_action( 'patchstack_post_dynamic_firewall_rules' ); |
| 213 | 200 | } |
| 214 | 201 | |
| 202 | + // One time actions should be placed here. | |
| 203 | + $this->plugin->hardening->delete_readme(); | |
| 204 | + | |
| 215 | 205 | // Try to create the mu-plugins folder/file. |
| 216 | 206 | // No need to do this if it already exists. |
| 217 | - if ( file_exists( WPMU_PLUGIN_DIR . '/patchstack.php' ) || file_exists( WPMU_PLUGIN_DIR . '/_patchstack.php' ) || ( defined( 'PS_DISABLE_MU' ) && PS_DISABLE_MU ) ) { | |
| 207 | + if ( file_exists( WPMU_PLUGIN_DIR . '/patchstack.php' ) || file_exists( WPMU_PLUGIN_DIR . '/_patchstack.php' )) { | |
| 218 | 208 | return; |
| 219 | 209 | } |
| 220 | 210 | |
| 221 | 211 | // The mu-plugin does not exist, try to create it. |
| @@ -243,8 +233,51 @@ | ||
| 243 | 233 | } |
| 244 | 234 | } |
| 245 | 235 | |
| 246 | 236 | /** |
| 237 | + * Used to activate an individual license on multisite/network. | |
| 238 | + * | |
| 239 | + * @param object $site | |
| 240 | + * @param array $license | |
| 241 | + * @return void | |
| 242 | + */ | |
| 243 | + public function activate_multisite_license( $site, $license ) { | |
| 244 | + // Build the Patchstack tables on the site. | |
| 245 | + $this->migrate( null, $site->id ); | |
| 246 | + | |
| 247 | + // Add the options to given site. | |
| 248 | + foreach ( $this->plugin->admin_options->options as $name => $value ) { | |
| 249 | + add_blog_option( $site->id, $name, $value ); | |
| 250 | + } | |
| 251 | + | |
| 252 | + // Set the client id and secret key. | |
| 253 | + update_blog_option( $site->id, 'patchstack_clientid', $license['id'] ); | |
| 254 | + $enc = $this->get_secret_key( $license['secret'] ); | |
| 255 | + update_blog_option( $site->id, 'patchstack_secretkey', $enc['cipher'] ); | |
| 256 | + update_blog_option( $site->id, 'patchstack_secretkey_nonce', $enc['nonce'] ); | |
| 257 | + | |
| 258 | + $this->plugin->api->blog_id = $site->id; | |
| 259 | + | |
| 260 | + // Activate the license and update firewall status after activating the plugin. | |
| 261 | + $token = $this->plugin->api->get_access_token( $license['id'], $license['secret'], true ); | |
| 262 | + if ( ! empty( $token ) ) { | |
| 263 | + $this->plugin->api->update_firewall_status( [ 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ] ); | |
| 264 | + $this->plugin->api->update_url( [ 'plugin_url' => get_blog_option( $site->id, 'siteurl' ) ] ); | |
| 265 | + | |
| 266 | + // If we have an access token, tell our API that the firewall is activated | |
| 267 | + // and the current URL of the site. | |
| 268 | + update_blog_option( $site->id, 'patchstack_license_activated', '1' ); | |
| 269 | + $this->plugin->api->update_license_status(); | |
| 270 | + | |
| 271 | + // This will trigger the software synchronization action. | |
| 272 | + wp_remote_get( get_site_url( $site->id ), [ 'sslverify' => false ] ); | |
| 273 | + } | |
| 274 | + | |
| 275 | + // Make sure to switch back to the current blog id. | |
| 276 | + $this->plugin->api->blog_id = get_current_blog_id(); | |
| 277 | + } | |
| 278 | + | |
| 279 | + /** | |
| 247 | 280 | * Build the required Patchstack tables. |
| 248 | 281 | * |
| 249 | 282 | * @param null|string $ver The version to upgrade to. |
| 250 | 283 | * @param null|integer $site_id The blog id to perform the upgrades on. |
| @@ -305,9 +338,9 @@ | ||
| 305 | 338 | // |
| 306 | 339 | } |
| 307 | 340 | |
| 308 | 341 | // Clear all Patchstack scheduled tasks. |
| 309 | - $tasks = [ 'patchstack_zip_backup', 'patchstack_send_software_data', 'patchstack_send_hacker_logs', 'patchstack_send_visitor_logs', 'patchstack_send_event_logs', 'patchstack_reset_blocked_attacks', 'patchstack_post_firewall_rules', 'patchstack_post_firewall_htaccess_rules', 'patchstack_post_dynamic_firewall_rules', 'patchstack_update_license_status', 'patchstack_update_plugins', 'patchstack_send_ping', 'patchstack_check_env', 'puc_cron_check_updates-webarx' ]; | |
| 342 | + $tasks = [ 'patchstack_zip_backup', 'patchstack_send_software_data', 'patchstack_send_hacker_logs', 'patchstack_send_visitor_logs', 'patchstack_send_event_logs', 'patchstack_reset_blocked_attacks', 'patchstack_post_firewall_rules', 'patchstack_post_firewall_htaccess_rules', 'patchstack_post_dynamic_firewall_rules', 'patchstack_update_license_status', 'patchstack_update_plugins', 'patchstack_send_ping', 'puc_cron_check_updates-webarx' ]; | |
| 310 | 343 | foreach ( $tasks as $task ) { |
| 311 | 344 | wp_clear_scheduled_hook( $task ); |
| 312 | 345 | } |
| 313 | 346 | |
| @@ -312,9 +345,8 @@ | ||
| 312 | 345 | } |
| 313 | 346 | |
| 314 | 347 | // Cleanup the .htaccess file. |
| 315 | 348 | $this->plugin->htaccess->cleanup_htaccess_file(); |
| 316 | - $this->auto_prepend_removal(); | |
| 317 | 349 | |
| 318 | 350 | // Remove the mu-plugin file if it exists. |
| 319 | 351 | foreach (['patchstack.php', '_patchstack.php'] as $file) { |
| 320 | 352 | if ( file_exists( WPMU_PLUGIN_DIR . '/' . $file )) { |
| @@ -331,10 +363,12 @@ | ||
| 331 | 363 | * @param string $action |
| 332 | 364 | * @return array |
| 333 | 365 | */ |
| 334 | 366 | public function alter_license( $id, $secret, $action ) { |
| 335 | - // Set default options in case they have not been set yet. | |
| 336 | - $this->plugin->admin_options->settings_init(); | |
| 367 | + // Set the default option values if calling through CLI. | |
| 368 | + if ( defined( 'WP_CLI' ) && WP_CLI) { | |
| 369 | + $this->plugin->admin_options->settings_init(); | |
| 370 | + } | |
| 337 | 371 | |
| 338 | 372 | // Store current keys in tmp variable so in case it fails, we can set it back. |
| 339 | 373 | $tmp_id = get_option( 'patchstack_clientid' ); |
| 340 | 374 | $tmp_key = $this->get_secret_key(); |
| @@ -353,38 +387,29 @@ | ||
| 353 | 387 | $this->set_secret_key( $tmp_key ); |
| 354 | 388 | |
| 355 | 389 | return [ |
| 356 | 390 | 'result' => 'error', |
| 357 | - 'body' => json_encode($this->plugin->api->message), | |
| 358 | 391 | 'message' => 'Cannot activate license!', |
| 359 | 392 | ]; |
| 360 | 393 | } |
| 361 | 394 | |
| 362 | - // Successfully activated. | |
| 363 | - update_option( 'patchstack_license_activated', '1', true ); | |
| 364 | - | |
| 365 | - // Update license status and fetch policy settings. | |
| 366 | - $fetchPolicy = (int) get_option( 'patchstack_last_license_check', 0 ) == 0; | |
| 367 | - $this->plugin->api->update_license_status( $fetchPolicy ); | |
| 368 | - | |
| 369 | - // Perform post-activation actions, incl. access token retrieval. | |
| 395 | + // If we have an access token, tell our API that the firewall is activated | |
| 396 | + // and the current URL of the site. | |
| 397 | + update_option( 'patchstack_license_activated', '1' ); | |
| 398 | + $this->plugin->api->update_license_status(); | |
| 370 | 399 | $token = $this->plugin->api->get_access_token(); |
| 371 | 400 | if ( ! empty( $token ) ) { |
| 372 | - | |
| 373 | - // Immediately send software data to our server to set firewall as enabled. | |
| 374 | - // Also immediately download the whitelist file and the firewall rules. | |
| 375 | 401 | do_action( 'patchstack_send_software_data' ); |
| 376 | 402 | if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { |
| 377 | - update_option( 'patchstack_basic_firewall', 1, true ); | |
| 403 | + update_option( 'patchstack_basic_firewall', 1 ); | |
| 378 | 404 | do_action( 'patchstack_post_firewall_rules' ); |
| 379 | 405 | do_action( 'patchstack_post_dynamic_firewall_rules' ); |
| 380 | 406 | $this->header(); |
| 381 | 407 | } |
| 382 | 408 | |
| 383 | - // Update firewall status, URL and ping API. | |
| 384 | 409 | $this->plugin->api->update_firewall_status( [ 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ] ); |
| 385 | 410 | $this->plugin->api->update_url( [ 'plugin_url' => get_option( 'siteurl' ) ] ); |
| 386 | - $this->auto_prepend_injection(); | |
| 411 | + $this->plugin->api->ping(); | |
| 387 | 412 | } |
| 388 | 413 | |
| 389 | 414 | return [ |
| 390 | 415 | 'result' => 'success', |
| @@ -395,13 +420,8 @@ | ||
| 395 | 420 | // Deactivate the license. |
| 396 | 421 | if ( $action == 'deactivate' ) { |
| 397 | 422 | update_option( 'patchstack_api_token', '' ); |
| 398 | 423 | update_option( 'patchstack_license_activated', '0' ); |
| 399 | - update_option( 'patchstack_clientid', '' ); | |
| 400 | - update_option( 'patchstack_secretkey', '' ); | |
| 401 | - update_option( 'patchstack_secretkey_nonce', '' ); | |
| 402 | - | |
| 403 | - $this->auto_prepend_removal(); | |
| 404 | 424 | |
| 405 | 425 | return [ |
| 406 | 426 | 'result' => 'success', |
| 407 | 427 | 'message' => 'License deactivated!', |
| @@ -417,11 +437,10 @@ | ||
| 417 | 437 | public function header() |
| 418 | 438 | { |
| 419 | 439 | $header = get_option( 'patchstack_firewall_ip_header', '' ); |
| 420 | 440 | $computed = get_option( 'patchstack_ip_header_computed', 0 ); |
| 421 | - $force = get_option( 'patchstack_ip_header_force_compute', 0 ); | |
| 422 | 441 | |
| 423 | - if ( ( $header == '' && ! $computed ) || $force ) { | |
| 442 | + if ( $header == '' && ! $computed ) { | |
| 424 | 443 | // Create an OTT token. |
| 425 | 444 | $ott = md5( wp_generate_password( 32, true, true ) ); |
| 426 | 445 | update_option( 'patchstack_ott_action', $ott ); |
| 427 | 446 | |
| @@ -444,415 +463,6 @@ | ||
| 444 | 463 | 'cookies' => [], |
| 445 | 464 | ] |
| 446 | 465 | ); |
| 447 | 466 | } |
| 448 | - } | |
| 449 | - | |
| 450 | - /** | |
| 451 | - * Create the environment needed for the auto prepend firewall functionality. | |
| 452 | - * 1. First we check if an auto_prepend_file already exists somewhere. | |
| 453 | - * 2. Then we write to the .htaccess file and check its status code. | |
| 454 | - * 3. Then we write to the .user.ini file and check its status code, .user.ini is optional if there are any errors with it. | |
| 455 | - * | |
| 456 | - * @param boolean $refresh | |
| 457 | - * @return boolean | |
| 458 | - */ | |
| 459 | - public function auto_prepend_injection($refresh = false) | |
| 460 | - { | |
| 461 | - // Determine if AP firewall is enabled. | |
| 462 | - if ( ! get_option( 'patchstack_firewall_ap_enabled', false ) ) { | |
| 463 | - return; | |
| 464 | - } | |
| 465 | - | |
| 466 | - // Determine if we received an error that hasn't been cleared yet. | |
| 467 | - if ( get_option( 'patchstack_firewall_ap_error', '' ) != '' ) { | |
| 468 | - return; | |
| 469 | - } | |
| 470 | - | |
| 471 | - // No need to display this error if the .htaccess functionality has been disabled. | |
| 472 | - if ( get_option( 'patchstack_disable_htaccess', 0 ) || ( defined( 'PS_DISABLE_HTACCESS' ) && PS_DISABLE_HTACCESS ) || ( defined( 'PS_DISABLE_MU' ) && PS_DISABLE_MU ) ) { | |
| 473 | - return; | |
| 474 | - } | |
| 475 | - | |
| 476 | - // Get filesystem. | |
| 477 | - global $wp_filesystem; | |
| 478 | - if ( ! $this->get_filesystem() ) { | |
| 479 | - update_option( 'patchstack_firewall_ap_error', 'Could not establish filesystem.' ); | |
| 480 | - return false; | |
| 481 | - } | |
| 482 | - | |
| 483 | - // First ensure a .htaccess file exists, otherwise no point. | |
| 484 | - $htaccess_file = ABSPATH . '.htaccess'; | |
| 485 | - if ( ! $wp_filesystem->exists( $htaccess_file ) && ! $wp_filesystem->touch( $htaccess_file ) ) { | |
| 486 | - update_option( 'patchstack_firewall_ap_error', 'The .htaccess file could be found nor created.' ); | |
| 487 | - return false; | |
| 488 | - } | |
| 489 | - | |
| 490 | - // Completely halt if there is already an auto_prepend_file present in .htaccess and not of Patchstack. | |
| 491 | - $htaccess_content = $wp_filesystem->get_contents( $htaccess_file ); | |
| 492 | - if ( stripos( $htaccess_content, 'auto_prepend_file' ) !== false && stripos( $htaccess_content, 'mu-plugin-ap.php' ) === false ) { | |
| 493 | - update_option( 'patchstack_firewall_ap_error', 'A different auto_prepend_file value is already present in the .htaccess file.' ); | |
| 494 | - return false; | |
| 495 | - } | |
| 496 | - | |
| 497 | - // Completely halt if there is already an auto_prepend_file present in .user.ini and not of Patchstack. | |
| 498 | - $user_ini = ini_get( 'user_ini.filename' ); | |
| 499 | - if ( $user_ini && $wp_filesystem->exists( ABSPATH . $user_ini ) ) { | |
| 500 | - $ini_content = $wp_filesystem->get_contents( ABSPATH . $user_ini ); | |
| 501 | - if ( stripos( $ini_content, 'auto_prepend_file' ) !== false && stripos( $ini_content, 'mu-plugin-ap.php' ) === false ) { | |
| 502 | - update_option( 'patchstack_firewall_ap_error', 'A different auto_prepend_file value is already present in the .user.ini file.' ); | |
| 503 | - return false; | |
| 504 | - } | |
| 505 | - } | |
| 506 | - | |
| 507 | - // Determine if we can write the /wp-content/pslogs/ folder. | |
| 508 | - $logs_dir = WP_CONTENT_DIR . '/pslogs/'; | |
| 509 | - if ( ! $wp_filesystem->exists( $logs_dir ) && ! $wp_filesystem->mkdir( $logs_dir ) ) { | |
| 510 | - update_option( 'patchstack_firewall_ap_error', 'The path ' . $logs_dir . ' could not be created.' ); | |
| 511 | - return false; | |
| 512 | - } | |
| 513 | - | |
| 514 | - // Create the blank index.php file. | |
| 515 | - if ( ! $wp_filesystem->exists( $logs_dir . 'index.php' ) && ! $wp_filesystem->put_contents( $logs_dir . 'index.php', '' ) ) { | |
| 516 | - update_option( 'patchstack_firewall_ap_error', 'The file ' . $logs_dir . 'index.php could not be created.' ); | |
| 517 | - return false; | |
| 518 | - } | |
| 519 | - | |
| 520 | - // Create the logs.php file. | |
| 521 | - if ( ! $wp_filesystem->exists( $logs_dir . 'logs.php' ) && ! $wp_filesystem->put_contents( $logs_dir . 'logs.php', '<?php exit; ?>' . PHP_EOL ) ) { | |
| 522 | - update_option( 'patchstack_firewall_ap_error', 'The file ' . $logs_dir . 'logs.php could not be created.' ); | |
| 523 | - return false; | |
| 524 | - } | |
| 525 | - | |
| 526 | - // Save current site id. | |
| 527 | - $current_id = get_current_blog_id(); | |
| 528 | - | |
| 529 | - // Pull data to save into the config.php file. | |
| 530 | - $sites = $this->get_sites(); | |
| 531 | - $data = []; | |
| 532 | - foreach ($sites as $site) { | |
| 533 | - $this->switch_to_blog( $site->id ); | |
| 534 | - $data[] = [ | |
| 535 | - 'site_id' => $site->id, | |
| 536 | - 'site_url' => preg_replace( '/^https?:\/\//i', '', $site->siteurl ), | |
| 537 | - 'home_url' => preg_replace( '/^https?:\/\//i', '', get_option( 'home' ) ), | |
| 538 | - 'patchstack_basic_firewall' => get_option( 'patchstack_basic_firewall', 1 ), | |
| 539 | - 'patchstack_license_activated' => get_option( 'patchstack_license_activated', 0 ), | |
| 540 | - 'patchstack_license_free' => get_option( 'patchstack_license_free', 0 ), | |
| 541 | - 'patchstack_firewall_ip_header' => get_option( 'patchstack_firewall_ip_header', '' ), | |
| 542 | - 'patchstack_firewall_rules_v3_ap' => base64_encode( get_option( 'patchstack_firewall_rules_v3_ap', '[]' ) ) | |
| 543 | - ]; | |
| 544 | - } | |
| 545 | - | |
| 546 | - // Switch back to current site. | |
| 547 | - $this->switch_to_blog( $current_id ); | |
| 548 | - | |
| 549 | - // Save into the config.php file. | |
| 550 | - if ( ! $wp_filesystem->put_contents( $logs_dir . 'config.php', '<?php return ' . var_export( $data, true ) . ';' ) ) { | |
| 551 | - update_option( 'patchstack_firewall_ap_error', 'The file ' . $logs_dir . 'config.php could not be created.' ); | |
| 552 | - return false; | |
| 553 | - } | |
| 554 | - | |
| 555 | - // In case we only want to refresh the auto prepend rules, we stop here. | |
| 556 | - if ( $refresh ) { | |
| 557 | - return true; | |
| 558 | - } | |
| 559 | - | |
| 560 | - // Prepare the rules to inject into .htaccess. | |
| 561 | - $prepend_rules = $this->get_auto_prepend_rules(); | |
| 562 | - if ( ! $prepend_rules ) { | |
| 563 | - return false; | |
| 564 | - } | |
| 565 | - | |
| 566 | - // Determine if the rules already exist and overwrite them in case of path change. | |
| 567 | - $original_htaccess = $htaccess_content; | |
| 568 | - $re = '/# BEGIN AP Patchstack.*?# END AP Patchstack/is'; | |
| 569 | - if ( preg_match( $re, $htaccess_content ) ) { | |
| 570 | - $htaccess_content = preg_replace( $re, rtrim($prepend_rules['htaccess']), $htaccess_content ); | |
| 571 | - } else { | |
| 572 | - $htaccess_content .= "\n" . $prepend_rules['htaccess']; | |
| 573 | - } | |
| 574 | - | |
| 575 | - // Attempt to write to the .htaccess file. | |
| 576 | - if ( ! $wp_filesystem->put_contents( $htaccess_file, $htaccess_content ) ) { | |
| 577 | - update_option( 'patchstack_firewall_ap_error', 'Could not inject into the .htaccess file.' ); | |
| 578 | - return false; | |
| 579 | - } | |
| 580 | - | |
| 581 | - // Determine if the site still works as expected with the injected htaccess rules. | |
| 582 | - if ( $this->get_site_status_code() >= 400 ) { | |
| 583 | - $wp_filesystem->put_contents( $htaccess_file, $original_htaccess ); | |
| 584 | - update_option( 'patchstack_firewall_ap_error', 'The .htaccess rules caused a fatal internal server error.' ); | |
| 585 | - return false; | |
| 586 | - } | |
| 587 | - | |
| 588 | - // Ensure a .user.ini is present. | |
| 589 | - $user_ini = ini_get( 'user_ini.filename' ); | |
| 590 | - if ( ! $user_ini ) { | |
| 591 | - update_option( 'patchstack_firewall_ap_error', '' ); | |
| 592 | - return true; | |
| 593 | - } | |
| 594 | - | |
| 595 | - // Define full path to the .user.ini file. | |
| 596 | - $user_ini = ABSPATH . $user_ini; | |
| 597 | - | |
| 598 | - // Create the file if it does not exist. | |
| 599 | - if ( ! $wp_filesystem->exists( $user_ini ) && ! $wp_filesystem->touch( $user_ini ) ) { | |
| 600 | - update_option( 'patchstack_firewall_ap_error', 'The .user.ini file could not be created.' ); | |
| 601 | - return true; | |
| 602 | - } | |
| 603 | - | |
| 604 | - // Get the contents of the current .user.ini file. | |
| 605 | - $ini_content = $wp_filesystem->get_contents( $user_ini ); | |
| 606 | - | |
| 607 | - // Determine if the rules already exist and overwrite them in case of path change. | |
| 608 | - $original_ini = $ini_content; | |
| 609 | - $re = '/; BEGIN AP Patchstack.*?; END AP Patchstack/is'; | |
| 610 | - if ( preg_match( $re, $ini_content ) ) { | |
| 611 | - $ini_content = preg_replace( $re, rtrim($prepend_rules['ini']), $ini_content ); | |
| 612 | - } else { | |
| 613 | - $ini_content .= "\n" . $prepend_rules['ini']; | |
| 614 | - } | |
| 615 | - | |
| 616 | - // Attempt to write to the .user.ini file. | |
| 617 | - if ( ! $wp_filesystem->put_contents( $user_ini, $ini_content ) ) { | |
| 618 | - update_option( 'patchstack_firewall_ap_error', 'Could not inject into the .user.ini file.' ); | |
| 619 | - return true; | |
| 620 | - } | |
| 621 | - | |
| 622 | - // Determine if the site still works as expected with the injected .user.ini rules. | |
| 623 | - if ( $this->get_site_status_code() == 500 ) { | |
| 624 | - $wp_filesystem->put_contents( $user_ini, $original_ini ); | |
| 625 | - update_option( 'patchstack_firewall_ap_error', 'The .user.ini rules caused a fatal internal server error.' ); | |
| 626 | - return false; | |
| 627 | - } | |
| 628 | - | |
| 629 | - update_option( 'patchstack_firewall_ap_error', '' ); | |
| 630 | - return true; | |
| 631 | - } | |
| 632 | - | |
| 633 | - /** | |
| 634 | - * Remove everything related to the auto prepend functionality. | |
| 635 | - * | |
| 636 | - * @return boolean | |
| 637 | - */ | |
| 638 | - public function auto_prepend_removal() | |
| 639 | - { | |
| 640 | - global $wp_filesystem; | |
| 641 | - $this->get_filesystem(); | |
| 642 | - | |
| 643 | - // Define our paths to access. | |
| 644 | - $logs_dir = WP_CONTENT_DIR . '/pslogs/'; | |
| 645 | - $htaccess_file = ABSPATH . '.htaccess'; | |
| 646 | - $ini_file = ABSPATH . '.user.ini'; | |
| 647 | - | |
| 648 | - // Remove the entire /pslogs/ directory. | |
| 649 | - if ( $wp_filesystem->is_dir( $logs_dir ) ) { | |
| 650 | - $wp_filesystem->delete( $logs_dir, true ); | |
| 651 | - } | |
| 652 | - | |
| 653 | - // Remove the .htaccess injected rules. | |
| 654 | - if ( $wp_filesystem->is_file( $htaccess_file ) ) { | |
| 655 | - $htaccess_content = $wp_filesystem->get_contents( $htaccess_file ); | |
| 656 | - $re = '/# BEGIN AP Patchstack.*?# END AP Patchstack/is'; | |
| 657 | - if ( preg_match( $re, $htaccess_content ) ) { | |
| 658 | - $htaccess_content = preg_replace( $re, '', $htaccess_content ); | |
| 659 | - $wp_filesystem->put_contents( $htaccess_file, $htaccess_content ); | |
| 660 | - } | |
| 661 | - } | |
| 662 | - | |
| 663 | - // Remove the .user.ini injected rules. | |
| 664 | - if ( $wp_filesystem->is_file( $ini_file ) ) { | |
| 665 | - $ini_content = $wp_filesystem->get_contents( $ini_file ); | |
| 666 | - $re = '/; BEGIN AP Patchstack.*?; END AP Patchstack/is'; | |
| 667 | - if ( preg_match( $re, $ini_content ) ) { | |
| 668 | - $ini_content = preg_replace( $re, '', $ini_content ); | |
| 669 | - $wp_filesystem->put_contents( $ini_file, $ini_content ); | |
| 670 | - } | |
| 671 | - } | |
| 672 | - } | |
| 673 | - | |
| 674 | - /** | |
| 675 | - * Attempt to establish the proper WP_FileSystem. | |
| 676 | - * | |
| 677 | - * @return boolean | |
| 678 | - */ | |
| 679 | - private function get_filesystem() | |
| 680 | - { | |
| 681 | - // Seems to be the only native way to obtain FTP credentials, if defined. | |
| 682 | - include_once( ABSPATH . 'wp-admin/includes/file.php' ); | |
| 683 | - ob_start(); | |
| 684 | - $creds = request_filesystem_credentials( admin_url( 'admin-ajax.php' ), '', false, ABSPATH, null, true ); | |
| 685 | - ob_end_clean(); | |
| 686 | - | |
| 687 | - // Returns false if no filesystem connection could be determined. | |
| 688 | - if ( $creds === false ) { | |
| 689 | - update_option( 'patchstack_firewall_ap_error', 'Unable to establish filesystem connection.' ); | |
| 690 | - return false; | |
| 691 | - } | |
| 692 | - | |
| 693 | - // Attempt to initialize it. | |
| 694 | - $fs = WP_Filesystem( $creds, ABSPATH, true ); | |
| 695 | - if ( ! $fs ) { | |
| 696 | - update_option( 'patchstack_firewall_ap_error', 'Unable to establish filesystem connection through acquired creds.' ); | |
| 697 | - return false; | |
| 698 | - } | |
| 699 | - | |
| 700 | - return true; | |
| 701 | - } | |
| 702 | - | |
| 703 | - /** | |
| 704 | - * Get sites as part of the environment. | |
| 705 | - * | |
| 706 | - * @return array | |
| 707 | - */ | |
| 708 | - private function get_sites() | |
| 709 | - { | |
| 710 | - if ( ! function_exists( 'get_sites' ) ) { | |
| 711 | - return [ | |
| 712 | - (object) [ | |
| 713 | - 'id' => 0, | |
| 714 | - 'siteurl' => get_site_url() | |
| 715 | - ] | |
| 716 | - ]; | |
| 717 | - } | |
| 718 | - | |
| 719 | - return get_sites(); | |
| 720 | - } | |
| 721 | - | |
| 722 | - /** | |
| 723 | - * Switch to a different site. | |
| 724 | - * | |
| 725 | - * @param integer $site_id | |
| 726 | - * @return void | |
| 727 | - */ | |
| 728 | - private function switch_to_blog($site_id) | |
| 729 | - { | |
| 730 | - if ( ! function_exists( 'switch_to_blog' ) ) { | |
| 731 | - return; | |
| 732 | - } | |
| 733 | - | |
| 734 | - switch_to_blog( $site_id ); | |
| 735 | - } | |
| 736 | - | |
| 737 | - /** | |
| 738 | - * Determine the web-server software and make sure we support it before we generate the .htaccess rules for it. | |
| 739 | - * | |
| 740 | - * @return array|boolean | |
| 741 | - */ | |
| 742 | - private function get_auto_prepend_rules() | |
| 743 | - { | |
| 744 | - // Establish location of the auto prepend file. | |
| 745 | - $mu_file = __DIR__ . '/mu-plugin-ap.php'; | |
| 746 | - if ( ! file_exists( $mu_file ) ) { | |
| 747 | - return false; | |
| 748 | - } | |
| 749 | - | |
| 750 | - // Ensure that the SERVER_SOFTWARE value is set. | |
| 751 | - $software = isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : ''; | |
| 752 | - if ( ! $software ) { | |
| 753 | - update_option( 'patchstack_firewall_ap_error', 'Unsupported SERVER_SOFTWARE, found: ' . $software ); | |
| 754 | - return false; | |
| 755 | - } | |
| 756 | - | |
| 757 | - // At this time, reject non-Apache environments. | |
| 758 | - $sapi = function_exists( 'php_sapi_name' ) ? php_sapi_name() : false; | |
| 759 | - if ( ! $sapi || stripos( $_SERVER['SERVER_SOFTWARE'], 'litespeed' ) === false && $sapi != 'litespeed' && stripos($_SERVER['SERVER_SOFTWARE'], 'apache' ) === false) { | |
| 760 | - update_option( 'patchstack_firewall_ap_error', 'Unsupported SERVER_SOFTWARE, found: ' . $_SERVER['SERVER_SOFTWARE'] . ' and ' . $sapi ); | |
| 761 | - return false; | |
| 762 | - } | |
| 763 | - | |
| 764 | - // Seperate flag for LiteSpeed. | |
| 765 | - $is_litespeed = stripos( $_SERVER['SERVER_SOFTWARE'], 'litespeed' ) !== false || $sapi == 'litespeed'; | |
| 766 | - | |
| 767 | - // Attempt to find the Apache version, < 2.4 does not support <If>. | |
| 768 | - // This depends on ServerTokens value, so only stop execution if we can't find the specific unsupported versions. | |
| 769 | - $version = function_exists( 'apache_get_version' ) ? apache_get_version() : $software; | |
| 770 | - if ( ! $is_litespeed && stripos( $version, 'Apache/2.4' ) === false ) { | |
| 771 | - update_option( 'patchstack_firewall_ap_error', 'Unsupported SERVER_SOFTWARE, found: ' . $software ); | |
| 772 | - return false; | |
| 773 | - } | |
| 774 | - | |
| 775 | - // Add c-style slashes. | |
| 776 | - $mu_file_as = wp_normalize_path(addcslashes($mu_file, "'")); | |
| 777 | - | |
| 778 | - // Bit different rules for LiteSpeed. | |
| 779 | - if ( ! $is_litespeed ) { | |
| 780 | - $rules = "<IfModule mod_php.c> | |
| 781 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 782 | - </IfModule> | |
| 783 | - <IfModule mod_php5.c> | |
| 784 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 785 | - </IfModule> | |
| 786 | - <IfModule mod_php7.c> | |
| 787 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 788 | - </IfModule>"; | |
| 789 | - } else { | |
| 790 | - $rules = "<IfModule LiteSpeed> | |
| 791 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 792 | - </IfModule> | |
| 793 | - <IfModule lsapi_module> | |
| 794 | - php_value auto_prepend_file '" . $mu_file_as . "' | |
| 795 | - </IfModule>"; | |
| 796 | - } | |
| 797 | - | |
| 798 | - return [ | |
| 799 | - 'htaccess' => "# BEGIN AP Patchstack | |
| 800 | -<IfModule mod_authz_core.c> | |
| 801 | - <If \"-f '" . $mu_file_as . "'\"> | |
| 802 | - " . $rules . " | |
| 803 | - | |
| 804 | - <Files \".user.ini\"> | |
| 805 | - <IfModule mod_authz_core.c> | |
| 806 | - Require all denied | |
| 807 | - </IfModule> | |
| 808 | - <IfModule !mod_authz_core.c> | |
| 809 | - Order deny,allow | |
| 810 | - Deny from all | |
| 811 | - </IfModule> | |
| 812 | - </Files> | |
| 813 | - </If> | |
| 814 | -</IfModule> | |
| 815 | -# END AP Patchstack | |
| 816 | -", | |
| 817 | - 'ini' => "; BEGIN AP Patchstack | |
| 818 | -auto_prepend_file = '" . $mu_file_as . "' | |
| 819 | -; END AP Patchstack | |
| 820 | -" | |
| 821 | - ]; | |
| 822 | - } | |
| 823 | - | |
| 824 | - /** | |
| 825 | - * Retrieve the status code of the site. | |
| 826 | - * This is done to determine if the .htaccess rules do not trigger an error. | |
| 827 | - * | |
| 828 | - * @return integer | |
| 829 | - */ | |
| 830 | - public function get_site_status_code() { | |
| 831 | - $response = wp_remote_get( get_site_url() ); | |
| 832 | - $http_code = wp_remote_retrieve_response_code( $response ); | |
| 833 | - return $http_code; | |
| 834 | - } | |
| 835 | - | |
| 836 | - /** | |
| 837 | - * If option is updated, refresh AP config file. | |
| 838 | - * | |
| 839 | - * @param string $option_name | |
| 840 | - * @param string $option_name | |
| 841 | - * @param mixed $value | |
| 842 | - * @return void | |
| 843 | - */ | |
| 844 | - public function updated_option( $option_name, $old_value, $value ) { | |
| 845 | - // Only allow to run for our options. The IP header is embedded in the AP config | |
| 846 | - // file too, so a change there must also regenerate it. | |
| 847 | - if ( !in_array( $option_name, [ 'patchstack_basic_firewall', 'patchstack_license_free', 'patchstack_firewall_rules_v3_ap', 'patchstack_firewall_ip_header' ] ) ) { | |
| 848 | - return; | |
| 849 | - } | |
| 850 | - | |
| 851 | - // Not strict type matching. | |
| 852 | - if ( $old_value == $value ) { | |
| 853 | - return; | |
| 854 | - } | |
| 855 | - | |
| 856 | - $this->auto_prepend_injection(true); | |
| 857 | 467 | } |
| 858 | 468 | } |
