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<?php |
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|
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if (!defined('ABSPATH')) die('No direct access allowed'); |
| 4 |
|
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// handle better utf-8 and Unicode encoding |
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if (function_exists('mb_internal_encoding')) { |
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mb_internal_encoding('UTF-8'); |
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} |
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|
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// must have |
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// phpcs:disable |
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// Squiz.PHP.DiscouragedFunctions.Discouraged -- Not applicable here |
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ini_set('pcre.backtrack_limit', 5000000); |
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ini_set('pcre.recursion_limit', 5000000); |
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// phpcs:enable |
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|
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use MatthiasMullie\Minify; |
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|
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class WP_Optimize_Minify_Functions { |
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|
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/** |
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* Applies `strip_tags` function for given array of messages |
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* |
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* @param array $messages Array of messages |
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* @param string $allowed_tags Tags to retain in message (optional) |
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* |
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* @return array |
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*/ |
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public static function apply_strip_tags_for_messages_array($messages, $allowed_tags = '<strong>') { |
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return array_map(function($message) use ($allowed_tags) { |
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return strip_tags($message, $allowed_tags); |
| 32 |
}, $messages); |
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} |
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|
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/** |
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* Detect external or internal scripts |
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* |
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* @param string $src |
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* @return boolean |
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*/ |
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public static function is_local_domain($src) { |
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$wpo_minify_options = wp_optimize_minify_config()->get(); |
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|
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$locations = array(home_url(), site_url(), network_home_url(), network_site_url()); |
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$async_using_js = 'all' === $wpo_minify_options['enable_defer_js'] && 'async_using_js' === $wpo_minify_options['defer_js_type']; |
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|
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// excluded from cdn because of https://www.chromestatus.com/feature/5718547946799104 (we use document.write to preserve render blocking) |
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if (!empty($wpo_minify_options['cdn_url']) |
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&& (!$async_using_js || $wpo_minify_options['cdn_force']) |
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) { |
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array_push($locations, $wpo_minify_options['cdn_url']); |
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} |
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|
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// cleanup locations |
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$locations = array_filter(array_unique($locations)); |
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|
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// external or not? |
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$ret = false; |
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foreach ($locations as $l) { |
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$l = preg_replace('/^https?:\/\//i', '', trim($l)); |
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$l = trim(trim(preg_replace('/^www./', '', $l), '/')); |
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if (false !== stripos($src, $l) && false === $ret) { |
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$ret = true; |
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} |
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} |
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|
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// response |
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return $ret; |
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} |
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|
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/** |
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* Functions, get hurl info |
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* |
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* @param mixed $src |
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* |
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* @return string |
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*/ |
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public static function get_hurl($src) { |
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$wp_home = site_url(); |
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$wp_domain = trim(str_ireplace(array('http://', 'https://'), '', trim($wp_home, '/'))); |
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// preserve empty source handles |
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$hurl = null === $src ? '' : trim($src); |
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if (empty($hurl)) { |
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return $hurl; |
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} |
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|
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// some fixes |
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$hurl = str_ireplace(array('&', '&'), '&', $hurl); |
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|
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if (is_ssl()) { |
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$protocol = 'https://'; |
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} else { |
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$protocol = 'http://'; |
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} |
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|
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// make sure wp_home doesn't have a forward slash |
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$wp_home = rtrim($wp_home, '/'); |
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|
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// apply some filters |
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if ("//" === substr($hurl, 0, 2)) { |
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$hurl = $protocol.ltrim($hurl, "/"); |
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}//end if |
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if ("http" === substr($hurl, 0, 4) && false === stripos($hurl, $wp_domain)) { |
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return $hurl; |
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}//end if |
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if ("http" !== substr($hurl, 0, 4) && false !== stripos($hurl, $wp_domain)) { |
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$hurl = $wp_home.'/'.ltrim($hurl, "/"); |
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}//end if |
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|
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// prevent double forward slashes in the middle |
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$hurl = str_ireplace('###', '://', str_ireplace('//', '/', str_ireplace('://', '###', $hurl))); |
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|
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// consider different wp-content directory |
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$proceed = 0; |
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if (!empty($wp_home)) { |
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$alt_wp_content = basename($wp_home); |
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if (substr($hurl, 0, strlen($alt_wp_content)) === $alt_wp_content) { |
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$proceed = 1; |
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} |
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} |
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|
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// Get the name of the WP-CONTENT folder. Default is wp-content, but can be changed by the user. |
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$wp_content_folder = str_replace(ABSPATH, '', WP_CONTENT_DIR); |
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|
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// protocol + home for relative paths |
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if ("/".WPINC === substr($hurl, 0, 12) |
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|| "/wp-admin" === substr($hurl, 0, 9) |
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|| "/$wp_content_folder" === substr($hurl, 0, 11) |
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|| 1 === $proceed |
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) { |
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$hurl = $wp_home.'/'.ltrim($hurl, "/"); |
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} |
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|
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// make sure there is a protocol prefix as required |
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$hurl = $protocol.preg_replace('/^https?:\/\//i', '', $hurl); // enforce protocol |
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|
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// no query strings |
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if (false !== stripos($hurl, '.js?v')) { |
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$hurl = stristr($hurl, '.js?v', true).'.js'; |
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}//end if |
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if (false !== stripos($hurl, '.css?v')) { |
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$hurl = stristr($hurl, '.css?v', true).'.css'; |
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}//end if |
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|
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return $hurl; |
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} |
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|
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/** |
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* Check if it's an internal url or not |
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* |
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* @param string $hurl |
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* @param string $wp_home |
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* @param mixed $noxtra |
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* @return boolean |
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*/ |
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public static function internal_url($hurl, $wp_home, $noxtra = null) { |
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$wpo_minify_options = wp_optimize_minify_config()->get(); |
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|
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if (substr($hurl, 0, strlen($wp_home)) === $wp_home) { |
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return true; |
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} |
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if (false !== stripos($hurl, $wp_home)) { |
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return true; |
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} |
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if (isset($_SERVER['HTTP_HOST']) && false !== stripos($hurl, preg_replace('/:\d+$/', '', sanitize_text_field(wp_unslash($_SERVER['HTTP_HOST']))))) { |
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return true; |
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} |
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if (isset($_SERVER['SERVER_NAME']) && false !== stripos($hurl, preg_replace('/:\d+$/', '', sanitize_text_field(wp_unslash($_SERVER['SERVER_NAME']))))) { |
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return true; |
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} |
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if (isset($_SERVER['SERVER_ADDR']) && '::1' !== sanitize_text_field(wp_unslash($_SERVER['SERVER_ADDR'])) && false !== stripos($hurl, preg_replace('/:\d+$/', '', sanitize_text_field(wp_unslash($_SERVER['SERVER_ADDR']))))) { |
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return true; |
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} |
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|
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// allow specific external urls to be merged |
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if (null === $noxtra) { |
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$merge_allowed_urls = array_map('trim', explode("\n", $wpo_minify_options['merge_allowed_urls'])); |
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if (is_array($merge_allowed_urls) && strlen(implode($merge_allowed_urls)) > 0) { |
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foreach ($merge_allowed_urls as $e) { |
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if (false !== stripos($hurl, $e) && !empty($e)) { |
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return true; |
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} |
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} |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Case-insensitive in_array() wrapper |
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* |
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* @param string $hurl |
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* @param array $ignore |
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* @return boolean |
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*/ |
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public static function in_arrayi($hurl, $ignore) { |
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$hurl = preg_replace('/^https?:\/\//i', '//', $hurl); // better compatibility |
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$hurl = strtok(urldecode(rawurldecode($hurl)), '?'); // no query string, decode entities |
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|
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if (!empty($hurl) && is_array($ignore)) { |
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foreach ($ignore as $i) { |
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$i = preg_replace('/^https?:\/\//i', '//', $i); // better compatibility |
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$i = strtok(urldecode(rawurldecode($i)), '?'); // no query string, decode entities |
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$i = trim(trim(trim(rtrim($i, '/')), '*')); // wildcard char removal |
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if (!empty($i) && false !== stripos($hurl, $i)) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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|
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/** |
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* Check if selected url is point to already minified css/js file |
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* |
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* @param string $url |
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* @return bool |
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*/ |
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public static function is_minified_css_js_filename($url) { |
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$parts = wp_parse_url($url); |
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if (empty($parts['path']) || !is_string(basename($parts['path']))) return false; |
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return 1 === preg_match('/\.min\.(js|css)$/i', basename($parts['path'])); |
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} |
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|
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/** |
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* Better compatibility urls + fix w3.org NamespaceAndDTDIdentifiers |
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* |
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* @param string $code |
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* @return string |
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* */ |
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private static function compat_urls($code) { |
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$wpo_minify_options = wp_optimize_minify_config()->get(); |
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$default_protocol = $wpo_minify_options['default_protocol']; |
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if ('dynamic' === $default_protocol) { |
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if ((isset($_SERVER['HTTPS']) && ('on' === $_SERVER['HTTPS'] || 1 === (int) $_SERVER['HTTPS'])) |
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|| (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && 'https' === $_SERVER['HTTP_X_FORWARDED_PROTO']) |
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) { |
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$default_protocol = 'https://'; |
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} else { |
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$default_protocol = 'http://'; |
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} |
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} else { |
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$default_protocol = $default_protocol.'://'; |
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} |
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$code = preg_replace('/^https?:\/\//i', $default_protocol, $code); |
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$code = str_ireplace($default_protocol.'www.w3.org', 'http://www.w3.org', $code); |
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return $code; |
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} |
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|
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/** |
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* Minify css string with PHP Minify |
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* |
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* @param string $css |
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* @return string |
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*/ |
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public static function minify_css_string($css) { |
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$css = apply_filters('wpo_minify_css_string', $css); |
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$minifier = new Minify\CSS($css); |
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$minifier->setMaxImportSize(15); // [css only] embed assets up to 15 Kb (default 5Kb) - processes gif, png, jpg, jpeg, svg & woff |
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$min = $minifier->minify(); |
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if (false !== $min) { |
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return self::compat_urls($min); |
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} |
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return self::compat_urls($css); |
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} |
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|
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/** |
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* Minify js on demand (one file at one time, for compatibility) |
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* |
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* @param string $url |
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* @param string $js |
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* @param boolean $enable_js_minification |
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* @return string |
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*/ |
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public static function get_js($url, $js, $enable_js_minification) { |
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$wpo_minify_options = wp_optimize_minify_config()->get(); |
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|
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// exclude minification on already minified files + jquery (because minification might break those) |
| 280 |
$excl = array('jquery.js', '.min.js', '-min.js', '/uploads/fusion-scripts/', '/min/', '.packed.js', '/includes/builder/scripts/'); |
| 281 |
foreach ($excl as $e) { |
| 282 |
if (false !== stripos(basename($url), $e)) { |
| 283 |
$enable_js_minification = false; |
| 284 |
break; |
| 285 |
} |
| 286 |
} |
| 287 |
|
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$encoding = mb_detect_encoding($js); |
| 289 |
|
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// remove BOM |
| 291 |
$js = self::remove_utf8_bom($js); |
| 292 |
|
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self::maybe_log_error_message($url, $encoding, $js); |
| 294 |
|
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// minify JS |
| 296 |
if ($enable_js_minification) { |
| 297 |
$js = self::minify_js_string($js); |
| 298 |
} else { |
| 299 |
$js = self::compat_urls($js); |
| 300 |
} |
| 301 |
|
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// Remove source mapping files |
| 303 |
$js = preg_replace('/(\/\/\s*[#]\s*sourceMappingURL\s*[=]\s*)(.+)\s*/ui', '', $js); |
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|
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// needed when merging js files |
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$js = trim($js); |
| 307 |
if (';' !== substr($js, -1)) { |
| 308 |
$js = $js.';'; |
| 309 |
} |
| 310 |
if ($wpo_minify_options['debug']) { |
| 311 |
$js = '/* info: ' . $url . ' */' . "\n" . $js; |
| 312 |
} |
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|
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/** |
| 315 |
* Filters the imported JavaScript |
| 316 |
* |
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* @param string $js - The imported JS |
| 318 |
* @param string $url - The imported url |
| 319 |
* @param boolean $enable_js_minification - Whether to minify or not |
| 320 |
*/ |
| 321 |
$filtered_js = apply_filters('wpo_minify_get_js', $js . "\n", $url, $enable_js_minification); |
| 322 |
return is_string($filtered_js) ? $filtered_js : $js; |
| 323 |
} |
| 324 |
|
| 325 |
/** |
| 326 |
* Minify JS string with PHP Minify or YUI Compressors |
| 327 |
* |
| 328 |
* @param string $js |
| 329 |
* @return string |
| 330 |
*/ |
| 331 |
public static function minify_js_string($js) { |
| 332 |
$js = apply_filters('wpo_minify_js_string', $js); |
| 333 |
// PHP Minify from https://github.com/matthiasmullie/minify |
| 334 |
$minifier = new Minify\JS($js); |
| 335 |
$min = $minifier->minify(); |
| 336 |
if (false !== $min && (strlen(trim($js)) === strlen(trim($min)) || strlen(trim($min)) > 0)) { |
| 337 |
return self::compat_urls($min); |
| 338 |
} |
| 339 |
|
| 340 |
// if we are here, something went wrong and minification didn't work |
| 341 |
$js = "\n/*! wpo_min: Minification of the following section failed, so it has been merged instead. */\n".$js; |
| 342 |
return self::compat_urls($js); |
| 343 |
} |
| 344 |
|
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/** |
| 346 |
* Wrapper to minify the inlined JS string - Adds an extra check for JSON |
| 347 |
* |
| 348 |
* @param string $js |
| 349 |
* @return string |
| 350 |
*/ |
| 351 |
public static function minify_inline_js($js) { |
| 352 |
$js = apply_filters('wpo_minify_inline_js_string', $js); |
| 353 |
// Do not minify JSON (JS minification will minify `true` to `!0`, which will break the JSON) |
| 354 |
if (json_decode($js)) return $js; |
| 355 |
return self::minify_js_string($js, true); |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* Check if the JS code contains import statements |
| 360 |
* |
| 361 |
* @param string $js |
| 362 |
* @return boolean |
| 363 |
*/ |
| 364 |
public static function has_js_import_statements($js) { |
| 365 |
$js = preg_replace('/\/\/.*|\/\*[\s\S]*?\*\//', '', $js); // Remove comments to avoid false positives |
| 366 |
return 1 === preg_match('/\bimport\b/', $js); |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Functions, minify html |
| 371 |
* |
| 372 |
* @param string $html |
| 373 |
* @return string |
| 374 |
*/ |
| 375 |
public static function minify_html($html) { |
| 376 |
$minify_css = wp_optimize_minify_config()->get('enable_css_minification'); |
| 377 |
$minify_js = wp_optimize_minify_config()->get('enable_js_minification'); |
| 378 |
$options = array(); |
| 379 |
if ($minify_css && apply_filters('wpo_minify_inline_css', true)) { |
| 380 |
$options['cssMinifier'] = array('WP_Optimize_Minify_Functions', 'minify_css_string'); |
| 381 |
} |
| 382 |
if ($minify_js && apply_filters('wpo_minify_inline_js', true)) { |
| 383 |
$options['jsMinifier'] = array('WP_Optimize_Minify_Functions', 'minify_inline_js'); |
| 384 |
} |
| 385 |
return Minify_HTML::minify($html, $options); |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* Functions to minify HTML |
| 390 |
* |
| 391 |
* @param string $html |
| 392 |
* @return string |
| 393 |
*/ |
| 394 |
public static function html_compression_finish($html) { |
| 395 |
return self::minify_html($html); |
| 396 |
} |
| 397 |
|
| 398 |
/** |
| 399 |
* Start the compression |
| 400 |
* |
| 401 |
* @return void |
| 402 |
*/ |
| 403 |
public static function html_compression_start() { |
| 404 |
if (self::exclude_contents()) { |
| 405 |
return; |
| 406 |
} |
| 407 |
ob_start(array(__CLASS__, 'html_compression_finish')); |
| 408 |
} |
| 409 |
|
| 410 |
/** |
| 411 |
* Remove default HTTP headers |
| 412 |
* |
| 413 |
* @return void |
| 414 |
*/ |
| 415 |
public static function remove_redundant_shortlink() { |
| 416 |
remove_action('wp_head', 'wp_shortlink_wp_head', 10); |
| 417 |
remove_action('template_redirect', 'wp_shortlink_header', 11); |
| 418 |
} |
| 419 |
|
| 420 |
/** |
| 421 |
* Minify css on demand (one file at one time, for compatibility) |
| 422 |
* |
| 423 |
* @param string $url |
| 424 |
* @param string $css |
| 425 |
* @param boolean $enable_css_minification |
| 426 |
* @return string |
| 427 |
*/ |
| 428 |
public static function get_css($url, $css, $enable_css_minification) { |
| 429 |
$wpo_minify_options = wp_optimize_minify_config()->get(); |
| 430 |
|
| 431 |
$encoding = mb_detect_encoding($css); |
| 432 |
|
| 433 |
// remove BOM |
| 434 |
$css = self::remove_utf8_bom($css); |
| 435 |
|
| 436 |
self::maybe_log_error_message($url, $encoding, $css); |
| 437 |
|
| 438 |
// fix url paths |
| 439 |
if (!empty($url)) { |
| 440 |
$css = self::make_css_urls_absolute($css, $url); |
| 441 |
} |
| 442 |
|
| 443 |
$css = str_ireplace('@charset "UTF-8";', '', $css); |
| 444 |
|
| 445 |
// remove query strings from fonts (for better seo, but add a small cache buster based on most recent updates) |
| 446 |
// last update or zero |
| 447 |
$cache_time = $wpo_minify_options['last-cache-update']; |
| 448 |
// fonts cache buster |
| 449 |
$css = preg_replace('/(.eot|.woff2|.woff|.ttf)+[?+](.+?)(\)|\'|\")/ui', "$1"."#".$cache_time."$3", $css); |
| 450 |
// Remove Sourcemappingurls |
| 451 |
$css = preg_replace('/(\/\*\s*[#]\s*sourceMappingURL\s*[=]\s*)(.[^*]+)\s*\*\//ui', '', $css); |
| 452 |
// If @import is found, process it/them |
| 453 |
if (false !== strpos($css, '@import')) $css = self::replace_css_import($css, $url); |
| 454 |
|
| 455 |
// minify CSS |
| 456 |
if ($enable_css_minification) { |
| 457 |
$css = self::minify_css_string($css); |
| 458 |
} else { |
| 459 |
$css = self::compat_urls($css); |
| 460 |
} |
| 461 |
|
| 462 |
// cdn urls |
| 463 |
$cdn_url = $wpo_minify_options['cdn_url']; |
| 464 |
if (!empty($cdn_url)) { |
| 465 |
$wp_domain = trim(preg_replace('/^https?:\/\//i', '', trim(site_url(), '/'))); |
| 466 |
$cdn_url = trim(trim(preg_replace('/^https?:\/\//i', '', trim($cdn_url, '/'))), '/'); |
| 467 |
$css = str_ireplace($wp_domain, $cdn_url, $css); |
| 468 |
} |
| 469 |
|
| 470 |
// add css comment |
| 471 |
$css = trim($css); |
| 472 |
if ($wpo_minify_options['debug']) { |
| 473 |
$css = '/* info: ' . $url . ' */' . "\n" . trim($css); |
| 474 |
} |
| 475 |
|
| 476 |
/** |
| 477 |
* Filters the imported CSS |
| 478 |
* |
| 479 |
* @param string $css - The imported CSS |
| 480 |
* @param string $url - The imported url |
| 481 |
* @param boolean $enable_css_minification - Whether to minify or not |
| 482 |
*/ |
| 483 |
$filtered_css = apply_filters('wpo_minify_get_css', $css, $url, $enable_css_minification); |
| 484 |
return is_string($filtered_css) ? $filtered_css : $css; |
| 485 |
} |
| 486 |
|
| 487 |
/** |
| 488 |
* Adds full path to relative url() rules |
| 489 |
* |
| 490 |
* @param string $css - The CSS to process |
| 491 |
* @param string $url - The URL or the CSS being processed |
| 492 |
* @return string |
| 493 |
*/ |
| 494 |
public static function make_css_urls_absolute($css, $url) { |
| 495 |
$matches = array(); |
| 496 |
preg_match_all("/url\(\s*['\"]?(?!data:)(?!http)(?![\/'\"])(.+?)['\"]?\s*\)/ui", $css, $matches); |
| 497 |
foreach ($matches[1] as $a) { |
| 498 |
$b = trim($a); |
| 499 |
if ($b !== $a) { |
| 500 |
$css = str_replace($a, $b, $css); |
| 501 |
} |
| 502 |
} |
| 503 |
return (string) preg_replace("/url\(\s*['\"]?(?!data:)(?!http)(?![\/'\"])(.+?)['\"]?\s*\)/ui", "url(".dirname($url)."/$1)", $css); |
| 504 |
} |
| 505 |
|
| 506 |
/** |
| 507 |
* Include @import[ed] files - The @import statement can only be used at the top of a file, which breaks when merging everything. |
| 508 |
* |
| 509 |
* @param string $css - The original CSS containing the @import statement |
| 510 |
* @param string $file_url - The original CSS' URL |
| 511 |
* @return string |
| 512 |
*/ |
| 513 |
public static function replace_css_import($css, $file_url) { |
| 514 |
$remove_print_mediatypes = wp_optimize_minify_config()->get('remove_print_mediatypes'); |
| 515 |
$debug = wp_optimize_minify_config()->get('debug'); |
| 516 |
return preg_replace_callback('/(?:@import)\s(?:url\()?\s?["\'](.*?)["\']\s?\)?(?:[^;]*);?/im', function($matches) use ($file_url, $remove_print_mediatypes, $debug) { |
| 517 |
// @import contains url() |
| 518 |
if (preg_match('/url\s*\((.[^\)]*)[\)*?](.*);/', $matches[0], $url_matches)) { |
| 519 |
$url = trim(str_replace(array('"', "'"), '', $url_matches[1])); |
| 520 |
$media_query = trim($url_matches[2]); |
| 521 |
// @import uses quotes only |
| 522 |
} elseif (preg_match('/["\'](.*)["\'](.*);?/', $matches[0], $no_url_matches)) { |
| 523 |
$url = trim($no_url_matches[1]); |
| 524 |
$media_query = trim($no_url_matches[2], ") ;"); |
| 525 |
} |
| 526 |
|
| 527 |
// If $media_query contains print, and $remove_print_mediatypes is true, return empty string |
| 528 |
if ($remove_print_mediatypes && false !== strpos($media_query, 'print') && apply_filters('wpo_minfy_remove_print_mediatypes_import', true, $url, $media_query, $matches[0], $file_url)) return ($debug ? '/*! Info: the import of "'.$url.'" was removed because the setting remove_print_mediatypes is enabled. */' : ''); |
| 529 |
|
| 530 |
$purl = wp_parse_url($url); |
| 531 |
// If there's no host, the url is relative to $file_url, so prepend with the base url. |
| 532 |
if (!isset($purl['host'])) { |
| 533 |
$url = dirname($file_url).'/'.$url; |
| 534 |
} |
| 535 |
|
| 536 |
// Download @import |
| 537 |
$asset_content = WP_Optimize_Minify_Functions::get_asset_content($url); |
| 538 |
$content = $asset_content['content']; |
| 539 |
|
| 540 |
if (!$content) return ''; |
| 541 |
|
| 542 |
// Fix the URLs |
| 543 |
$content = WP_Optimize_Minify_Functions::make_css_urls_absolute($content, $url); |
| 544 |
|
| 545 |
if ($media_query) { |
| 546 |
// Wrap the code with the media query |
| 547 |
$content = "@media $media_query {\n$content\n}"; |
| 548 |
} |
| 549 |
|
| 550 |
if ($debug) { |
| 551 |
$content = "/*! CSS import Information: code imported from $url */\n$content\n/*! END CSS import Information */"; |
| 552 |
} |
| 553 |
|
| 554 |
// If the code contains its own @import, recursively include it. |
| 555 |
if (false !== strpos($content, '@import')) { |
| 556 |
return WP_Optimize_Minify_Functions::replace_css_import($content, $url); |
| 557 |
} |
| 558 |
|
| 559 |
return $content; |
| 560 |
}, $css); |
| 561 |
} |
| 562 |
|
| 563 |
/** |
| 564 |
* Download and cache css and js files |
| 565 |
* |
| 566 |
* @param ?string $hurl |
| 567 |
* @param ?string $inline |
| 568 |
* @param boolean $enable_minification |
| 569 |
* @param string $type |
| 570 |
* @param ?string $handle |
| 571 |
* @param mixed $version |
| 572 |
* |
| 573 |
* @return boolean|string |
| 574 |
*/ |
| 575 |
public static function download_and_minify($hurl, $inline, $enable_minification, $type, $handle, $version = '') { |
| 576 |
// must have |
| 577 |
if (empty($hurl)) { |
| 578 |
return false; |
| 579 |
} |
| 580 |
if (!in_array($type, array('js', 'css'))) { |
| 581 |
return false; |
| 582 |
} |
| 583 |
|
| 584 |
$wpo_minify_options = wp_optimize_minify_config()->get(); |
| 585 |
|
| 586 |
// filters and defaults |
| 587 |
$print_url = str_ireplace(array(site_url(), home_url(), 'http:', 'https:'), '', $hurl); |
| 588 |
|
| 589 |
$log = array( |
| 590 |
'url' => $print_url, |
| 591 |
); |
| 592 |
|
| 593 |
// defaults |
| 594 |
if (false !== $enable_minification) { |
| 595 |
$enable_minification = true; |
| 596 |
} |
| 597 |
if (empty($inline)) { |
| 598 |
$inline = ''; |
| 599 |
} |
| 600 |
$print_handle = ''; |
| 601 |
if (empty($handle)) { |
| 602 |
$handle = ''; |
| 603 |
} else { |
| 604 |
$print_handle = "[$handle]"; |
| 605 |
} |
| 606 |
|
| 607 |
// debug request |
| 608 |
$dreq = array( |
| 609 |
'hurl' => $hurl, |
| 610 |
'inline' => $inline, |
| 611 |
'enable_minification' => $enable_minification, |
| 612 |
'type' => $type, |
| 613 |
'handle' => $handle, |
| 614 |
'version' => $version |
| 615 |
); |
| 616 |
|
| 617 |
$asset_content = self::get_asset_content($hurl); |
| 618 |
$code = $asset_content['content']; |
| 619 |
|
| 620 |
// If $code is empty: |
| 621 |
if (!$code) { |
| 622 |
$log['success'] = false; |
| 623 |
if ($wpo_minify_options['debug']) { |
| 624 |
$log['debug'] = "$print_handle failed. Tried wp_remote_get and local file_get_contents."; |
| 625 |
} |
| 626 |
$return = array('request' => $dreq, 'log' => $log, 'code' => '', 'status' => false); |
| 627 |
return wp_json_encode($return); |
| 628 |
} |
| 629 |
|
| 630 |
if ('js' === $type) { |
| 631 |
$code = self::get_js($hurl, $code, $enable_minification); |
| 632 |
} else { |
| 633 |
$code = self::get_css($hurl, $code.$inline, $enable_minification); |
| 634 |
} |
| 635 |
|
| 636 |
// log, save and return |
| 637 |
if ($wpo_minify_options['debug']) { |
| 638 |
$version_msg = ('' !== $version) ? "[Version: $version]" : ""; |
| 639 |
$log['debug'] = $print_handle . $version_msg . ' was '.('local' === $asset_content['method'] ? 'opened' : 'fetched').' from '.$hurl; |
| 640 |
} |
| 641 |
$log['success'] = true; |
| 642 |
$return = array('request' => $dreq, 'log' => $log, 'code' => $code, 'status' => true); |
| 643 |
return wp_json_encode($return); |
| 644 |
} |
| 645 |
|
| 646 |
/** |
| 647 |
* Get the content of an asset, whether local or remote |
| 648 |
* |
| 649 |
* @param string $url |
| 650 |
* @return array |
| 651 |
*/ |
| 652 |
public static function get_asset_content($url) { |
| 653 |
|
| 654 |
$wp_home = site_url(); |
| 655 |
$wp_domain = wp_parse_url($wp_home, PHP_URL_HOST); |
| 656 |
// If the file is local. |
| 657 |
if (false !== stripos($url, $wp_domain)) { |
| 658 |
// default |
| 659 |
$f = str_ireplace(rtrim($wp_home, '/'), rtrim(ABSPATH, '/'), $url); |
| 660 |
// fail over when home_url != site_url |
| 661 |
if (!file_exists($f)) { |
| 662 |
$nhurl = str_ireplace(site_url(), home_url(), $url); |
| 663 |
$f = str_ireplace(rtrim($wp_home, '/'), rtrim(ABSPATH, '/'), $nhurl); |
| 664 |
} |
| 665 |
clearstatcache(); |
| 666 |
if (file_exists($f)) { |
| 667 |
$content = file_get_contents($f); |
| 668 |
// check for php code, skip if found |
| 669 |
if ("<?php" !== strtolower(substr($content, 0, 5)) && false === stripos($content, "<?php")) { |
| 670 |
return array('content' => $content, 'method' => 'local'); |
| 671 |
} |
| 672 |
} |
| 673 |
} |
| 674 |
|
| 675 |
|
| 676 |
// else, fallback to remote urls (or windows) |
| 677 |
$content = self::download_remote($url); |
| 678 |
if (false !== $content |
| 679 |
&& !empty($content) |
| 680 |
&& "<!doctype" !== strtolower(substr($content, 0, 9)) |
| 681 |
) { |
| 682 |
// check if we got HTML instead of js or css code |
| 683 |
return array('content' => $content, 'method' => 'remote'); |
| 684 |
} |
| 685 |
|
| 686 |
|
| 687 |
// fallback when home_url != site_url |
| 688 |
if (false !== stripos($url, $wp_domain) && home_url() !== site_url()) { |
| 689 |
$nhurl = str_ireplace(site_url(), home_url(), $url); |
| 690 |
$content = self::download_remote($nhurl); |
| 691 |
if (false !== $content && !empty($content) && '<!doctype' !== strtolower(substr($content, 0, 9))) { |
| 692 |
return array('content' => $content, 'method' => 'remote'); |
| 693 |
} |
| 694 |
} |
| 695 |
|
| 696 |
return array('content' => '', 'method' => 'none'); |
| 697 |
} |
| 698 |
|
| 699 |
/** |
| 700 |
* Remove emoji support |
| 701 |
* |
| 702 |
* @return void |
| 703 |
*/ |
| 704 |
public static function disable_wp_emojicons() { |
| 705 |
remove_action('wp_head', 'print_emoji_detection_script', 7); |
| 706 |
remove_action('admin_print_scripts', 'print_emoji_detection_script'); |
| 707 |
remove_action('wp_print_styles', 'print_emoji_styles'); |
| 708 |
remove_action('wp_enqueue_scripts', 'wp_enqueue_emoji_styles'); |
| 709 |
remove_action('admin_print_styles', 'print_emoji_styles'); |
| 710 |
remove_action('admin_enqueue_scripts', 'wp_enqueue_emoji_styles'); |
| 711 |
remove_filter('the_content_feed', 'wp_staticize_emoji'); |
| 712 |
remove_filter('comment_text_rss', 'wp_staticize_emoji'); |
| 713 |
remove_filter('wp_mail', 'wp_staticize_emoji_for_email'); |
| 714 |
} |
| 715 |
|
| 716 |
/** |
| 717 |
* Remove from tinymce |
| 718 |
* |
| 719 |
* @return array |
| 720 |
*/ |
| 721 |
public static function disable_emojis_tinymce($plugins) { |
| 722 |
if (is_array($plugins)) { |
| 723 |
return array_diff($plugins, array('wpemoji')); |
| 724 |
} else { |
| 725 |
return array(); |
| 726 |
} |
| 727 |
} |
| 728 |
|
| 729 |
/** |
| 730 |
* Remove UTF8 BOM. |
| 731 |
* Returns BOM removed string or null when `$string` does not have a recognised encoding |
| 732 |
* |
| 733 |
* @param string $string |
| 734 |
* @return string|null |
| 735 |
*/ |
| 736 |
public static function remove_utf8_bom($string) { |
| 737 |
$bom = pack('H*', 'EFBBBF'); |
| 738 |
return preg_replace("/^$bom/ui", '', $string); |
| 739 |
} |
| 740 |
|
| 741 |
/** |
| 742 |
* Remove query string from static css files |
| 743 |
* |
| 744 |
* @param string $src |
| 745 |
* @return string |
| 746 |
*/ |
| 747 |
public static function remove_cssjs_ver($src) { |
| 748 |
if (stripos($src, '?ver=') && self::is_already_minified($src)) { |
| 749 |
$src = remove_query_arg('ver', $src); |
| 750 |
} |
| 751 |
return $src; |
| 752 |
} |
| 753 |
|
| 754 |
/** |
| 755 |
* Determine if the source is already minified (served from minify cache) |
| 756 |
* |
| 757 |
* @param string $src |
| 758 |
* @return boolean |
| 759 |
*/ |
| 760 |
public static function is_already_minified($src) { |
| 761 |
return false !== strpos($src, 'cache/wpo-minify'); |
| 762 |
} |
| 763 |
|
| 764 |
/** |
| 765 |
* Rewrite cache files to http, https or dynamic |
| 766 |
* |
| 767 |
* @param string $url |
| 768 |
* @return string |
| 769 |
*/ |
| 770 |
public static function get_protocol($url) { |
| 771 |
$wp_domain = trim(preg_replace('/^https?:\/\//i', '', trim(site_url(), '/'))); |
| 772 |
$wpo_minify_options = wp_optimize_minify_config()->get(); |
| 773 |
$default_protocol = $wpo_minify_options['default_protocol']; |
| 774 |
|
| 775 |
$url = ltrim(preg_replace('/^https?:\/\//i', '', $url), '/'); // better compatibility |
| 776 |
|
| 777 |
// cdn support |
| 778 |
$cdn_url = $wpo_minify_options['cdn_url']; |
| 779 |
$cdn_url = trim(trim(preg_replace('/^https?:\/\//i', '', trim($cdn_url, '/'))), '/'); |
| 780 |
|
| 781 |
// process cdn rewrite |
| 782 |
if (!empty($cdn_url) && false !== self::is_local_domain($url)) { |
| 783 |
|
| 784 |
// for js files, we need to consider thew defer for insights option |
| 785 |
if ('.js' === substr($url, -3)) { |
| 786 |
$async_using_js = 'all' === $wpo_minify_options['enable_defer_js'] && 'async_using_js' === $wpo_minify_options['defer_js_type']; |
| 787 |
if (!$async_using_js |
| 788 |
|| $wpo_minify_options['cdn_force'] |
| 789 |
) { |
| 790 |
$url = str_ireplace($wp_domain, $cdn_url, $url); |
| 791 |
} |
| 792 |
} else { |
| 793 |
$url = str_ireplace($wp_domain, $cdn_url, $url); |
| 794 |
} |
| 795 |
} |
| 796 |
|
| 797 |
// enforce protocol if needed |
| 798 |
if ('dynamic' === $default_protocol) { |
| 799 |
if ((isset($_SERVER['HTTPS']) && ('on' === $_SERVER['HTTPS'] || 1 === (int) $_SERVER['HTTPS'])) |
| 800 |
|| (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && 'https' === $_SERVER['HTTP_X_FORWARDED_PROTO']) |
| 801 |
) { |
| 802 |
$default_protocol = 'https://'; |
| 803 |
} else { |
| 804 |
$default_protocol = 'http://'; |
| 805 |
} |
| 806 |
} else { |
| 807 |
$default_protocol = $default_protocol.'://'; |
| 808 |
} |
| 809 |
|
| 810 |
// return |
| 811 |
return $default_protocol . $url; |
| 812 |
} |
| 813 |
|
| 814 |
/** |
| 815 |
* Exclude processing from some pages / posts / contents |
| 816 |
* |
| 817 |
* @return boolean |
| 818 |
*/ |
| 819 |
public static function exclude_contents() { |
| 820 |
// prevent execution for specific urls |
| 821 |
if (isset($_SERVER['REQUEST_URI']) && !empty($_SERVER['REQUEST_URI'])) { |
| 822 |
$disable_on_url = array_filter(array_map('trim', explode("\n", get_option('wpo_min_disable_on_url', '')))); |
| 823 |
foreach ($disable_on_url as $url) { |
| 824 |
if (wp_parse_url(esc_url_raw(wp_unslash($_SERVER['REQUEST_URI'])), PHP_URL_PATH) === $url) { |
| 825 |
return true; |
| 826 |
} |
| 827 |
} |
| 828 |
} |
| 829 |
|
| 830 |
// for compatibility, let's always skip the checkout page |
| 831 |
if (function_exists('is_checkout') && true === is_checkout()) { |
| 832 |
return true; |
| 833 |
} |
| 834 |
|
| 835 |
if (isset($_SERVER['REQUEST_URI'])) { |
| 836 |
$is_txt_extension = '.txt' === strtolower(substr(esc_url_raw(wp_unslash($_SERVER['REQUEST_URI'])), -4)); |
| 837 |
$is_xml_extension = '.xml' === strtolower(substr(esc_url_raw(wp_unslash($_SERVER['REQUEST_URI'])), -4)); |
| 838 |
} |
| 839 |
|
| 840 |
// exclude processing here |
| 841 |
if (is_feed() |
| 842 |
|| is_admin() |
| 843 |
|| is_preview() |
| 844 |
|| (function_exists('is_customize_preview') && is_customize_preview()) |
| 845 |
|| (defined('DOING_AJAX') && DOING_AJAX) |
| 846 |
|| (function_exists('wp_doing_ajax') && wp_doing_ajax()) |
| 847 |
|| (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) |
| 848 |
|| (defined('WP_BLOG_ADMIN') && WP_BLOG_ADMIN) |
| 849 |
|| (defined('WP_NETWORK_ADMIN') && WP_NETWORK_ADMIN) |
| 850 |
|| (defined('WP_INSTALLING') && WP_INSTALLING) |
| 851 |
|| (defined('WP_IMPORTING') && WP_IMPORTING) |
| 852 |
|| (defined('WP_REPAIRING') && WP_REPAIRING) |
| 853 |
|| (defined('XMLRPC_REQUEST') && XMLRPC_REQUEST) |
| 854 |
|| (defined('SHORTINIT') && SHORTINIT) |
| 855 |
|| (defined('REST_REQUEST') && REST_REQUEST) |
| 856 |
|| (isset($_SERVER['REQUEST_METHOD']) && 'POST' === $_SERVER['REQUEST_METHOD']) |
| 857 |
|| (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && 'xmlhttprequest' === strtolower(sanitize_text_field(wp_unslash($_SERVER['HTTP_X_REQUESTED_WITH'])))) |
| 858 |
|| (isset($_SERVER['REQUEST_URI']) && ($is_txt_extension || $is_xml_extension)) |
| 859 |
) { |
| 860 |
return true; |
| 861 |
} |
| 862 |
|
| 863 |
// phpcs:disable |
| 864 |
// WordPress.Security.NonceVerification.Recommended -- Using $_GET element only to compare, returns boolean |
| 865 |
// Thrive plugins and other post_types |
| 866 |
$arr = array('tve_form_type', 'tve_lead_shortcode', 'tqb_splash'); |
| 867 |
foreach ($arr as $a) { |
| 868 |
if (isset($_GET['post_type']) && $a === $_GET['post_type']) { |
| 869 |
return true; |
| 870 |
} |
| 871 |
} |
| 872 |
|
| 873 |
// Thrive architect |
| 874 |
if (isset($_GET['tve']) && 'true' === $_GET['tve']) return true; |
| 875 |
|
| 876 |
|
| 877 |
if (is_array($_GET)) { |
| 878 |
foreach ($_GET as $k => $v) { |
| 879 |
if (is_string($v) && is_string($k)) { |
| 880 |
if (false !== stripos($k, 'elementor') || false !== stripos($v, 'elementor')) { |
| 881 |
return true; |
| 882 |
} |
| 883 |
} |
| 884 |
} |
| 885 |
} |
| 886 |
|
| 887 |
// Other _GET parameters |
| 888 |
if (is_array($_GET)) { |
| 889 |
$get_params = array_keys($_GET); |
| 890 |
$excluded_params = array( |
| 891 |
// customizer preview, visual composer |
| 892 |
'customize_theme', |
| 893 |
'preview_id', |
| 894 |
'preview', |
| 895 |
// Elementor |
| 896 |
'elementor-preview', |
| 897 |
// Divi builder |
| 898 |
'et_fb', |
| 899 |
'PageSpeed', |
| 900 |
// Brizy Editor |
| 901 |
'brizy-edit', |
| 902 |
'brizy-edit-iframe', |
| 903 |
// Beaver builder |
| 904 |
'fl_builder', |
| 905 |
'trp-edit-translation', |
| 906 |
); |
| 907 |
return (bool) count(array_intersect($excluded_params, $get_params)); |
| 908 |
} |
| 909 |
// phpcs:enable |
| 910 |
|
| 911 |
/** |
| 912 |
* Whether to exclude the content or not from the minifying process. |
| 913 |
*/ |
| 914 |
return (bool) apply_filters('wpo_minify_exclude_contents', false); |
| 915 |
} |
| 916 |
|
| 917 |
/** |
| 918 |
* Get the default files which are ignored / excluded from processing |
| 919 |
* |
| 920 |
* @return array |
| 921 |
*/ |
| 922 |
public static function get_default_ignore() { |
| 923 |
$default_exclusions = array( |
| 924 |
'/genericons.css', |
| 925 |
'/Avada/assets/js/main.min.js', |
| 926 |
'/woocommerce-product-search/js/product-search.js', |
| 927 |
'/includes/builder/scripts/frontend-builder-scripts.js', |
| 928 |
'/assets/js/jquery.themepunch.tools.min.js', |
| 929 |
'/js/TweenMax.min.js', |
| 930 |
'/jupiter/assets/js/min/full-scripts', |
| 931 |
'/wp-content/themes/Divi/core/admin/js/react-dom.production.min.js', |
| 932 |
'/LayerSlider/static/layerslider/js/greensock.js', |
| 933 |
'/themes/kalium/assets/js/main.min.js', |
| 934 |
'/wp-includes/js/mediaelement/wp-mediaelement.min.js', |
| 935 |
'elementor-admin-bar', |
| 936 |
'pdfjs-dist', |
| 937 |
'wordpress-popular-posts', |
| 938 |
'uploads/bb-plugin/cache', // Beaver builder page specific pages |
| 939 |
); |
| 940 |
/** |
| 941 |
* Filters the default exclusions |
| 942 |
* |
| 943 |
* @param array The exclusions |
| 944 |
* @return array |
| 945 |
*/ |
| 946 |
$filtered_exclusions = apply_filters('wp-optimize-minify-default-exclusions', $default_exclusions); |
| 947 |
return is_array($filtered_exclusions) ? $filtered_exclusions : $default_exclusions; |
| 948 |
} |
| 949 |
|
| 950 |
/** |
| 951 |
* Know files that should always be ignored |
| 952 |
* |
| 953 |
* @param array $ignore |
| 954 |
* @return array |
| 955 |
*/ |
| 956 |
public static function compile_ignore_list($ignore) { |
| 957 |
$ignore_list = self::get_default_ignore(); |
| 958 |
$user_excluded_ignore_items = wp_optimize_minify_config()->get('ignore_list'); |
| 959 |
if (is_array($user_excluded_ignore_items)) $ignore_list = array_diff($ignore_list, $user_excluded_ignore_items); |
| 960 |
if (is_array($ignore)) { |
| 961 |
$master_ignore = array_merge(array_map('strtolower', $ignore), array_map('strtolower', $ignore_list)); |
| 962 |
return array_unique($master_ignore); |
| 963 |
} else { |
| 964 |
return $ignore_list; |
| 965 |
} |
| 966 |
} |
| 967 |
|
| 968 |
/** |
| 969 |
* Get the files excluded for IE compatibility |
| 970 |
* |
| 971 |
* @return array |
| 972 |
*/ |
| 973 |
public static function get_default_ie_blacklist() { |
| 974 |
$default_ie_blacklist = array( |
| 975 |
'/html5shiv.js', |
| 976 |
'/html5shiv-printshiv.min.js', |
| 977 |
'/excanvas.js', |
| 978 |
'/avada-ie9.js', |
| 979 |
'/respond.js', |
| 980 |
'/respond.min.js', |
| 981 |
'/selectivizr.js', |
| 982 |
'/Avada/assets/css/ie.css', |
| 983 |
'/html5.js', |
| 984 |
'/IE9.js', |
| 985 |
'/fusion-ie9.js', |
| 986 |
'/vc_lte_ie9.min.css', |
| 987 |
'/old-ie.css', |
| 988 |
'/ie.css', |
| 989 |
'/vc-ie8.min.css', |
| 990 |
'/mailchimp-for-wp/assets/js/third-party/placeholders.min.js', |
| 991 |
'/assets/js/plugins/wp-enqueue/min/webfontloader.js', |
| 992 |
'/a.optnmstr.com/app/js/api.min.js', |
| 993 |
'/pixelyoursite/js/public.js', |
| 994 |
'/assets/js/wcdrip-drip.js', |
| 995 |
'/instantpage.js', |
| 996 |
); |
| 997 |
/** |
| 998 |
* Filters the default IE specific / blacklisted items |
| 999 |
* |
| 1000 |
* @param array The blacklist |
| 1001 |
* @return array |
| 1002 |
*/ |
| 1003 |
$filtered_ie_blacklist = apply_filters('wp-optimize-minify-blacklist', $default_ie_blacklist); |
| 1004 |
return is_array($filtered_ie_blacklist) ? $filtered_ie_blacklist : $default_ie_blacklist; |
| 1005 |
} |
| 1006 |
|
| 1007 |
/** |
| 1008 |
* Get the files excluded for IE compatibility |
| 1009 |
* |
| 1010 |
* @return array |
| 1011 |
*/ |
| 1012 |
public static function get_ie_blacklist() { |
| 1013 |
$user_excluded_blacklist_items = wp_optimize_minify_config()->get('blacklist'); |
| 1014 |
$default_blacklist = self::get_default_ie_blacklist(); |
| 1015 |
if (!is_array($user_excluded_blacklist_items)) return $default_blacklist; |
| 1016 |
return array_diff($default_blacklist, $user_excluded_blacklist_items); |
| 1017 |
} |
| 1018 |
|
| 1019 |
/** |
| 1020 |
* IE only files that should always be ignored, without incrementing our groups |
| 1021 |
* |
| 1022 |
* @param string $url |
| 1023 |
* @return boolean |
| 1024 |
*/ |
| 1025 |
public static function is_url_in_ie_blacklist($url) { |
| 1026 |
// from the database |
| 1027 |
$blacklist = self::get_ie_blacklist(); |
| 1028 |
// must have |
| 1029 |
$blacklist[] = '/wpo_min/cache/'; |
| 1030 |
|
| 1031 |
// is the url on our list and return |
| 1032 |
$res = self::in_arrayi($url, $blacklist); |
| 1033 |
if ($res) { |
| 1034 |
return true; |
| 1035 |
} else { |
| 1036 |
return false; |
| 1037 |
} |
| 1038 |
} |
| 1039 |
|
| 1040 |
/** |
| 1041 |
* Download function with fallback |
| 1042 |
* |
| 1043 |
* @param string $url |
| 1044 |
* @return boolean|string |
| 1045 |
*/ |
| 1046 |
public static function download_remote($url) { |
| 1047 |
|
| 1048 |
$args = array( |
| 1049 |
// info (needed for Google fonts woff files + hinted fonts) as well as to bypass some security filters |
| 1050 |
'user-agent' => WP_Optimize_Utils::get_user_agent('gfont'), |
| 1051 |
'timeout' => 7 |
| 1052 |
); |
| 1053 |
|
| 1054 |
// fetch via WordPress functions |
| 1055 |
$response = wp_remote_get( |
| 1056 |
$url, |
| 1057 |
/** |
| 1058 |
* Filters the arguments passed to wp_remote_get when downloading the scripts. |
| 1059 |
* |
| 1060 |
* @param array $args - The arguments filtered |
| 1061 |
* @param string $url - The URL of the downloaded asset |
| 1062 |
* @return array |
| 1063 |
*/ |
| 1064 |
apply_filters('wpo_minify_download_request_args', $args, $url) |
| 1065 |
); |
| 1066 |
|
| 1067 |
$res_code = wp_remote_retrieve_response_code($response); |
| 1068 |
if (200 === $res_code) { |
| 1069 |
$data = wp_remote_retrieve_body($response); |
| 1070 |
if (strlen($data) > 1) { |
| 1071 |
return $data; |
| 1072 |
} |
| 1073 |
} |
| 1074 |
|
| 1075 |
return false; |
| 1076 |
} |
| 1077 |
|
| 1078 |
/** |
| 1079 |
* Prepares the merged JavaScript |
| 1080 |
* |
| 1081 |
* @param string $script |
| 1082 |
* @param string $merged_url |
| 1083 |
* @return string |
| 1084 |
*/ |
| 1085 |
public static function prepare_merged_js($script, $merged_url) { |
| 1086 |
$enable_js_trycatch = wp_optimize_minify_config()->get('enable_js_trycatch'); |
| 1087 |
if ($enable_js_trycatch) { |
| 1088 |
return 'try{'."\n".$script."\n".'}'."\n".'catch(e){console.error("WP-Optimize Minify: An error has occurred in the minified code. \n\n- Original script: '.esc_attr($merged_url).'\n- Error message: "+ e.message);}'."\n"; |
| 1089 |
} |
| 1090 |
return $script; |
| 1091 |
} |
| 1092 |
|
| 1093 |
/** |
| 1094 |
* Checks if URL is a font-awesome resource (checks if it contains font-awesome or fontawesome) |
| 1095 |
* |
| 1096 |
* @param string $href |
| 1097 |
* @return boolean |
| 1098 |
*/ |
| 1099 |
public static function is_font_awesome($href) { |
| 1100 |
return (bool) preg_match('/font[-_]?awesome/i', $href); |
| 1101 |
} |
| 1102 |
|
| 1103 |
/** |
| 1104 |
* Checks if URL is a Google font resource |
| 1105 |
* |
| 1106 |
* @param string $href |
| 1107 |
* @return boolean |
| 1108 |
*/ |
| 1109 |
public static function is_google_font($href) { |
| 1110 |
return 'fonts.googleapis.com' === strtolower(wp_parse_url($href, PHP_URL_HOST)); |
| 1111 |
} |
| 1112 |
|
| 1113 |
/** |
| 1114 |
* Get the content of an asset, whether local or remote |
| 1115 |
* |
| 1116 |
* @param string $url |
| 1117 |
* @return int|false |
| 1118 |
*/ |
| 1119 |
public static function get_file_size($url) { |
| 1120 |
$original_url = $url; |
| 1121 |
if (is_multisite()) { |
| 1122 |
if (function_exists('get_main_site_id')) { |
| 1123 |
$site_id = get_main_site_id(); |
| 1124 |
} else { |
| 1125 |
$network = get_network(); |
| 1126 |
$site_id = $network->site_id; |
| 1127 |
} |
| 1128 |
switch_to_blog($site_id); |
| 1129 |
} |
| 1130 |
$upload_dir = wp_upload_dir(); |
| 1131 |
$uploads_url = trailingslashit($upload_dir['baseurl']); |
| 1132 |
$uploads_dir = trailingslashit($upload_dir['basedir']); |
| 1133 |
if (is_multisite()) { |
| 1134 |
restore_current_blog(); |
| 1135 |
} |
| 1136 |
$possible_urls = array( |
| 1137 |
WP_CONTENT_URL => WP_CONTENT_DIR, |
| 1138 |
WP_PLUGIN_URL => WP_PLUGIN_DIR, |
| 1139 |
$uploads_url => $uploads_dir, |
| 1140 |
get_template_directory_uri() => get_template_directory(), |
| 1141 |
untrailingslashit(includes_url()) => ABSPATH . WPINC, |
| 1142 |
); |
| 1143 |
|
| 1144 |
$file = false; |
| 1145 |
foreach ($possible_urls as $possible_url => $path) { |
| 1146 |
$pos = strpos($url, $possible_url); |
| 1147 |
if (false !== $pos) { |
| 1148 |
$file = substr_replace($url, $path, $pos, strlen($possible_url)); |
| 1149 |
break; |
| 1150 |
} |
| 1151 |
} |
| 1152 |
if (is_string($file) && file_exists($file)) { |
| 1153 |
return filesize($file); |
| 1154 |
} |
| 1155 |
|
| 1156 |
return self::get_remote_file_size($original_url); |
| 1157 |
} |
| 1158 |
|
| 1159 |
/** |
| 1160 |
* Get the file size of a file hosting in other servers |
| 1161 |
* |
| 1162 |
* @param string $url |
| 1163 |
* @return int|false |
| 1164 |
*/ |
| 1165 |
public static function get_remote_file_size($url) { |
| 1166 |
$args = array( |
| 1167 |
// info (needed for Google fonts woff files + hinted fonts) as well as to bypass some security filters |
| 1168 |
'user-agent' => WP_Optimize_Utils::get_user_agent('gfont'), |
| 1169 |
'timeout' => 7 |
| 1170 |
); |
| 1171 |
|
| 1172 |
// fetch via WordPress functions |
| 1173 |
$response = wp_remote_get($url, $args); |
| 1174 |
|
| 1175 |
if (is_wp_error($response)) return false; |
| 1176 |
|
| 1177 |
if (!empty($response) && is_array($response) && isset($response['headers']['Content-Length'])) { |
| 1178 |
return $response['headers']['Content-Length']; |
| 1179 |
} |
| 1180 |
|
| 1181 |
return false; |
| 1182 |
} |
| 1183 |
|
| 1184 |
/** |
| 1185 |
* Check if it is 'flatsome' handle |
| 1186 |
* |
| 1187 |
* @param string $handle Handle of enqueued css file |
| 1188 |
* |
| 1189 |
* @return bool |
| 1190 |
*/ |
| 1191 |
public static function is_flatsome_handle($handle) { |
| 1192 |
return 0 === strcmp('flatsome-googlefonts', $handle); |
| 1193 |
} |
| 1194 |
|
| 1195 |
/** |
| 1196 |
* Fix google fonts url for 'flatsome' theme |
| 1197 |
* |
| 1198 |
* @param string $href Enqueued google fonts url |
| 1199 |
* |
| 1200 |
* @return string Fixed google fonts url |
| 1201 |
*/ |
| 1202 |
public static function fix_flatsome_google_fonts_url($href) { |
| 1203 |
// Get query from $href |
| 1204 |
$query = wp_parse_url($href, PHP_URL_QUERY); |
| 1205 |
$query_arr = explode('&', $query); |
| 1206 |
|
| 1207 |
// Separate 'family and display' arguments in query |
| 1208 |
$family = str_replace('family=', '', $query_arr[0]); |
| 1209 |
$display_type = $query_arr[1]; |
| 1210 |
|
| 1211 |
// Remove empty fonts |
| 1212 |
$font_families = explode('|', $family); |
| 1213 |
$font_families = array_diff($font_families, array(':regular', 'initial', 'inherit', '')); |
| 1214 |
|
| 1215 |
$system_fonts = array('+apple+system', '-apple-system', 'BlinkMacSystemFont', 'Segoe+UI', 'Helvetica+Neue', 'sans+serif', 'sans-serif', 'Georgia', 'Times', 'Times+New+Roman', 'serif'); |
| 1216 |
$google_fonts = array(); |
| 1217 |
|
| 1218 |
// URL may look like following, fix it |
| 1219 |
// https://fonts.googleapis.com/css?family=-apple-system,+BlinkMacSystemFont,+%22Segoe+UI%22,+Roboto,+Oxygen-Sans,+Ubuntu,+Cantarell,+%22Helvetica+Neue%22,+sans-serif:regular,700,regular,700|Bebas+Neue:regular,regular&display=block |
| 1220 |
// http://fonts.googleapis.com/css?family=Bellota:regular|:regular|Lato:regular|Creepster:regular&display=block |
| 1221 |
// http://fonts.googleapis.com/css?family=Lora:regular,regular|initial|Lato:regular,regular|&display=swap |
| 1222 |
|
| 1223 |
foreach ($font_families as $font) { |
| 1224 |
$font_variant = explode(':', $font); |
| 1225 |
|
| 1226 |
// Remove beginning '+' |
| 1227 |
$font = str_replace(',+', ',', $font_variant[0]); |
| 1228 |
|
| 1229 |
// Replace '-' with '+' |
| 1230 |
$font = str_replace(array('-', ' '), '+', $font); |
| 1231 |
|
| 1232 |
// Remove `"` or '%22' |
| 1233 |
$font = str_replace(array('%22', '"'), '', $font); |
| 1234 |
$font_arr = explode(',', $font); |
| 1235 |
$font_arr = array_diff($font_arr, $system_fonts); |
| 1236 |
$variant = ''; |
| 1237 |
if (!empty($font_variant[1])) { |
| 1238 |
$variant = implode(',', array_unique(explode(',', $font_variant[1]))); |
| 1239 |
} |
| 1240 |
if (empty($variant)) { |
| 1241 |
$variant = 'regular'; |
| 1242 |
} |
| 1243 |
foreach ($font_arr as $font) { |
| 1244 |
$google_fonts[] = $font . ':' . $variant; |
| 1245 |
} |
| 1246 |
} |
| 1247 |
$protocol = is_ssl() ? 'https:' : 'http:'; |
| 1248 |
return $protocol . '//fonts.googleapis.com/css?family=' . implode('|', $google_fonts) . '&' . $display_type; |
| 1249 |
} |
| 1250 |
|
| 1251 |
/** |
| 1252 |
* Get the file modification time |
| 1253 |
* |
| 1254 |
* @param string $asset_src |
| 1255 |
* @return string |
| 1256 |
*/ |
| 1257 |
public static function get_modification_time($asset_src) { |
| 1258 |
$hurl = self::get_hurl($asset_src); |
| 1259 |
$abs_file_path = WP_Optimize_Utils::get_file_path($hurl); |
| 1260 |
if (empty($abs_file_path)) return ''; |
| 1261 |
|
| 1262 |
$modification_time = strval(@filemtime($abs_file_path)); // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged -- Suppress E-Warning on failure |
| 1263 |
$filtered_modification_time = apply_filters('wpo_minify_file_modification_time', $modification_time, $abs_file_path); |
| 1264 |
|
| 1265 |
return is_string($filtered_modification_time) ? $filtered_modification_time : $modification_time; |
| 1266 |
} |
| 1267 |
|
| 1268 |
/** |
| 1269 |
* When BOM removed code is null (due to unrecognised character encoding), logs error message |
| 1270 |
* |
| 1271 |
* @param string $url URL of the script/stylesheet |
| 1272 |
* @param string|false $encoding Character encoding |
| 1273 |
* @param string|null $code Script/Stylesheet code |
| 1274 |
* |
| 1275 |
* @return void |
| 1276 |
*/ |
| 1277 |
private static function maybe_log_error_message($url, $encoding, $code) { |
| 1278 |
if (null === $code) { |
| 1279 |
$message = "Minify: Could not process {$url}, it contains invalid characters. "; |
| 1280 |
if (false === $encoding) { |
| 1281 |
$message .= "Could not determine its character encoding."; |
| 1282 |
} |
| 1283 |
error_log($message); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Using for debugging purpose |
| 1284 |
} |
| 1285 |
} |
| 1286 |
} |
| 1287 |
|
