| @@ -58,9 +58,9 @@ | ||
| 58 | 58 | * |
| 59 | 59 | * @param string $string String. |
| 60 | 60 | * @param string|null $encoding Encoding. |
| 61 | 61 | * |
| 62 | - * @return int Number of charcters or bytes in given $string | |
| 62 | + * @return int Number of characters or bytes in given $string | |
| 63 | 63 | * (characters if/when supported, bytes otherwise). |
| 64 | 64 | */ |
| 65 | 65 | public static function strlen( $string, $encoding = null ) |
| 66 | 66 | { |
| @@ -203,9 +203,9 @@ | ||
| 203 | 203 | return $results[ $cdn_url ]; |
| 204 | 204 | } |
| 205 | 205 | |
| 206 | 206 | /** |
| 207 | - * When siteurl contans a path other than '/' and the CDN URL does not have | |
| 207 | + * When siteurl contains a path other than '/' and the CDN URL does not have | |
| 208 | 208 | * a path or it's path is '/', this will modify the CDN URL's path component |
| 209 | 209 | * to match that of the siteurl. |
| 210 | 210 | * This is to support "magic" CDN urls that worked that way before v2.4... |
| 211 | 211 | * |
| @@ -392,6 +392,204 @@ | ||
| 392 | 392 | |
| 393 | 393 | $length = strlen( $test ); |
| 394 | 394 | |
| 395 | 395 | return ( substr( $str, -$length, $length ) === $test ); |
| 396 | + } | |
| 397 | + | |
| 398 | + /** | |
| 399 | + * Returns true if a pagecache is found, false if not. | |
| 400 | + * Now used to show notice, might be used later on to (un)hide page caching in AO if no page cache found. | |
| 401 | + * | |
| 402 | + * @param bool $disregard_transient False by default, but can be used to ignore the transient and retest. | |
| 403 | + * | |
| 404 | + * @return bool | |
| 405 | + */ | |
| 406 | + public static function find_pagecache( $disregard_transient = false ) { | |
| 407 | + static $_found_pagecache = null; | |
| 408 | + | |
| 409 | + if ( null === $_found_pagecache ) { | |
| 410 | + $_page_cache_constants = array( | |
| 411 | + 'NgInx' => 'NGINX_HELPER_BASENAME', | |
| 412 | + 'Kinsta' => 'KINSTAMU_VERSION', | |
| 413 | + 'Presslabs' => 'PL_INSTANCE_REF', | |
| 414 | + 'Cache Enabler' => 'CACHE_ENABLER_VERSION', | |
| 415 | + 'Speed Booster Pack' => 'SBP_PLUGIN_NAME', | |
| 416 | + 'Servebolt' => 'SERVEBOLT_PLUGIN_FILE', | |
| 417 | + 'WP CloudFlare Super Page Cache' => 'SWCFPC_PLUGIN_PATH', | |
| 418 | + 'Cachify' => 'CACHIFY_CACHE_DIR', | |
| 419 | + 'WP Rocket' => 'WP_ROCKET_CACHE_PATH', | |
| 420 | + 'WP Optimize' => 'WPO_VERSION', | |
| 421 | + 'Autoptimize Pro' => 'AO_PRO_PAGECACHE_CACHE_DIR', | |
| 422 | + ); | |
| 423 | + $_page_cache_classes = array( | |
| 424 | + 'Pressidium' => 'Ninukis_Plugin', | |
| 425 | + 'Swift Performance' => 'Swift_Performance_Cache', | |
| 426 | + 'WP Fastest Cache' => 'WpFastestCache', | |
| 427 | + 'Quick Cache' => 'c_ws_plugin__qcache_purging_routines', | |
| 428 | + 'ZenCache' => 'zencache', | |
| 429 | + 'Comet Cache' => 'comet_cache', | |
| 430 | + 'WP Engine' => 'WpeCommon', | |
| 431 | + 'Flywheel' => 'FlywheelNginxCompat', | |
| 432 | + 'Pagely' => 'PagelyCachePurge', | |
| 433 | + ); | |
| 434 | + $_page_cache_functions = array( | |
| 435 | + 'WP Super Cache' => 'wp_cache_clear_cache', | |
| 436 | + 'W3 Total Cache' => 'w3tc_pgcache_flush', | |
| 437 | + 'WP Fast Cache' => 'wp_fast_cache_bulk_delete_all', | |
| 438 | + 'Rapidcache' => 'rapidcache_clear_cache', | |
| 439 | + 'Siteground' => 'sg_cachepress_purge_cache', | |
| 440 | + 'WP Super Cache' => 'prune_super_cache', | |
| 441 | + ); | |
| 442 | + | |
| 443 | + $_found_pagecache = false; | |
| 444 | + if ( true !== $disregard_transient ) { | |
| 445 | + $_ao_pagecache_transient = 'autoptimize_pagecache_check'; | |
| 446 | + $_found_pagecache = get_transient( $_ao_pagecache_transient ); | |
| 447 | + } | |
| 448 | + | |
| 449 | + if ( current_user_can( 'manage_options' ) && false === $_found_pagecache ) { | |
| 450 | + // loop through known pagecache constants. | |
| 451 | + foreach ( $_page_cache_constants as $_name => $_constant ) { | |
| 452 | + if ( defined( $_constant ) ) { | |
| 453 | + $_found_pagecache = $_name; | |
| 454 | + break; | |
| 455 | + } | |
| 456 | + } | |
| 457 | + // and loop through known pagecache classes. | |
| 458 | + if ( false === $_found_pagecache ) { | |
| 459 | + foreach ( $_page_cache_classes as $_name => $_class ) { | |
| 460 | + if ( class_exists( $_class ) ) { | |
| 461 | + $_found_pagecache = $_name; | |
| 462 | + break; | |
| 463 | + } | |
| 464 | + } | |
| 465 | + } | |
| 466 | + // and loop through known pagecache functions. | |
| 467 | + if ( false === $_found_pagecache ) { | |
| 468 | + foreach ( $_page_cache_functions as $_name => $_function ) { | |
| 469 | + if ( function_exists( $_function ) ) { | |
| 470 | + $_found_pagecache = $_name; | |
| 471 | + break; | |
| 472 | + } | |
| 473 | + } | |
| 474 | + } | |
| 475 | + | |
| 476 | + // store in transient for 1 week if pagecache found. | |
| 477 | + if ( true === $_found_pagecache && true !== $disregard_transient ) { | |
| 478 | + set_transient( $_ao_pagecache_transient, true, WEEK_IN_SECONDS ); | |
| 479 | + } | |
| 480 | + } | |
| 481 | + } | |
| 482 | + | |
| 483 | + return $_found_pagecache; | |
| 484 | + } | |
| 485 | + | |
| 486 | + /** | |
| 487 | + * Returns true if on one of the AO settings tabs, false if not. | |
| 488 | + * Used to limit notifications to AO settings pages. | |
| 489 | + * | |
| 490 | + * @return bool | |
| 491 | + */ | |
| 492 | + public static function is_ao_settings() { | |
| 493 | + $_is_ao_settings = ( str_replace( array( 'autoptimize', 'autoptimize_imgopt', 'ao_critcss', 'autoptimize_extra', 'ao_partners', 'ao_pro_boosters', 'ao_pro_pagecache', 'ao_protab' ), '', $_SERVER['REQUEST_URI'] ) !== $_SERVER['REQUEST_URI'] ? true : false ); | |
| 494 | + return $_is_ao_settings; | |
| 495 | + } | |
| 496 | + | |
| 497 | + /** | |
| 498 | + * Returns false if no conflicting plugins are found, the name if the plugin if found. | |
| 499 | + * | |
| 500 | + * @return bool|string | |
| 501 | + */ | |
| 502 | + public static function find_potential_conflicts() { | |
| 503 | + if ( defined( 'WPFC_WP_CONTENT_BASENAME' ) ) { | |
| 504 | + $_wpfc_options = json_decode( get_option( 'WpFastestCache' ) ); | |
| 505 | + foreach ( array( 'wpFastestCacheMinifyCss', 'wpFastestCacheCombineCss', 'wpFastestCacheCombineJs' ) as $_wpfc_conflicting ) { | |
| 506 | + if ( isset( $_wpfc_options->$_wpfc_conflicting ) && 'on' === $_wpfc_options->$_wpfc_conflicting ) { | |
| 507 | + return 'WP Fastest Cache'; | |
| 508 | + } | |
| 509 | + } | |
| 510 | + } elseif ( defined( 'W3TC_VERSION' ) ) { | |
| 511 | + $w3tc_config = file_get_contents( WP_CONTENT_DIR . '/w3tc-config/master.php' ); | |
| 512 | + $w3tc_minify_on = strpos( $w3tc_config, '"minify.enabled": true' ); | |
| 513 | + if ( $w3tc_minify_on ) { | |
| 514 | + return 'W3 Total Cache'; | |
| 515 | + } | |
| 516 | + } elseif ( defined( 'SiteGround_Optimizer\VERSION' ) ) { | |
| 517 | + if ( get_option( 'siteground_optimizer_optimize_css' ) == 1 || get_option( 'siteground_optimizer_optimize_javascript' ) == 1 || get_option( 'siteground_optimizer_combine_javascript' ) == 1 || get_option( 'siteground_optimizer_combine_css' ) == 1 ) { | |
| 518 | + return 'Siteground Optimizer'; | |
| 519 | + } | |
| 520 | + } elseif ( defined( 'WPO_VERSION' ) ) { | |
| 521 | + $_wpo_options = get_site_option( 'wpo_minify_config' ); | |
| 522 | + if ( is_array( $_wpo_options ) && 1 == $_wpo_options['enabled'] && ( 1 == $_wpo_options['enable_css'] || 1 == $_wpo_options['enable_js'] ) ) { | |
| 523 | + return 'WP Optimize'; | |
| 524 | + } | |
| 525 | + } elseif ( defined( 'WPACU_PLUGIN_VERSION' ) || defined( 'WPACU_PRO_PLUGIN_VERSION' ) ) { | |
| 526 | + $wpacu_settings_class = new \WpAssetCleanUp\Settings(); | |
| 527 | + $wpacu_settings = $wpacu_settings_class->getAll(); | |
| 528 | + | |
| 529 | + if ( $wpacu_settings['minify_loaded_css'] || $wpacu_settings['minify_loaded_js'] || $wpacu_settings['combine_loaded_js'] || $wpacu_settings['combine_loaded_css'] ) { | |
| 530 | + return 'Asset Cleanup'; | |
| 531 | + } | |
| 532 | + } elseif ( defined( 'WP_ROCKET_VERSION' ) && function_exists( 'get_rocket_option' ) ) { | |
| 533 | + if ( get_rocket_option( 'minify_js' ) || get_rocket_option( 'minify_concatenate_js' ) || get_rocket_option( 'minify_css' ) || get_rocket_option( 'minify_concatenate_css' ) || get_rocket_option( 'async_css' ) ) { | |
| 534 | + return 'WP Rocket'; | |
| 535 | + } | |
| 536 | + } elseif ( function_exists( 'fvm_get_settings' ) ) { | |
| 537 | + return 'Fast Velocity Minify'; | |
| 538 | + } | |
| 539 | + | |
| 540 | + return false; | |
| 541 | + } | |
| 542 | + | |
| 543 | + /** | |
| 544 | + * Returns true if false if on a local dev environment, true if not. | |
| 545 | + * Used to disallow image opt/ critcss for local dev environments. | |
| 546 | + * | |
| 547 | + * @return bool | |
| 548 | + */ | |
| 549 | + public static function is_local_server( $_domain = AUTOPTIMIZE_SITE_DOMAIN ) { | |
| 550 | + static $_is_local_server = null; | |
| 551 | + | |
| 552 | + if ( null === $_is_local_server ) { | |
| 553 | + if ( false === strpos( $_domain, '.' ) && false === strpos( $_domain, ':' ) ) { | |
| 554 | + // no dots in domain or colon (ipv6 address), so impossible to reach, this also matches 'localhost' or any other single-word domain. | |
| 555 | + $_is_local_server = true; | |
| 556 | + } elseif ( in_array( $_domain, array( '127.0.0.1', '0000:0000:0000:0000:0000:0000:0000:0001', '0:0:0:0:0:0:0:1', '::1' ) ) ) { | |
| 557 | + // localhost IPv4/ IPv6. | |
| 558 | + $_is_local_server = true; | |
| 559 | + } elseif ( 0 === strpos( $_domain, '127.' ) || 0 === strpos( $_domain, '192.168.' ) || 0 === strpos( $_domain, '10.' ) || 0 === strpos( $_domain, 'fd' ) ) { | |
| 560 | + // private ranges so unreachable for imgopt/ CCSS. | |
| 561 | + // fixme; 172.16.0.0–172.31.255.255 also private. | |
| 562 | + $_is_local_server = true; | |
| 563 | + } elseif ( autoptimizeUtils::str_ends_in( $_domain, '.local') ) { | |
| 564 | + // matches 'whatever.local'. | |
| 565 | + $_is_local_server = true; | |
| 566 | + } else { | |
| 567 | + // likely OK. | |
| 568 | + $_is_local_server = false; | |
| 569 | + } | |
| 570 | + } | |
| 571 | + | |
| 572 | + // filter to override result for testing purposes. | |
| 573 | + return apply_filters( 'autoptimize_filter_utils_is_local_server', $_is_local_server ); | |
| 574 | + } | |
| 575 | + | |
| 576 | + public static function strip_tags_array( $array ) { | |
| 577 | + // strip all tags in an array (use case: avoid XSS in CCSS rules both when importing and when outputting). | |
| 578 | + // based on https://stackoverflow.com/a/44732196/237449 but heavily tweaked. | |
| 579 | + if ( is_array( $array ) ) { | |
| 580 | + $result = array(); | |
| 581 | + foreach ( $array as $key => $value ){ | |
| 582 | + if ( is_array( $value ) ) { | |
| 583 | + $result[$key] = autoptimizeUtils::strip_tags_array( $value ); | |
| 584 | + } else if ( is_string( $value ) ) { | |
| 585 | + $result[$key] = wp_strip_all_tags( $value ); | |
| 586 | + } else { | |
| 587 | + $result[$key] = $value; | |
| 588 | + } | |
| 589 | + } | |
| 590 | + } else { | |
| 591 | + $result = wp_strip_all_tags( $array ); | |
| 592 | + } | |
| 593 | + return $result; | |
| 396 | 594 | } |
| 397 | 595 | } |
