''}} }} // eefw-security-400-start if (!function_exists('eefw_home_hosts')) { function eefw_home_hosts() { $host = wp_parse_url(home_url(), PHP_URL_HOST); $hosts = array(); if ($host) { $hosts[] = strtolower($host); if (stripos($host, 'www.') === 0) { $hosts[] = strtolower(substr($host, 4)); } else { $hosts[] = 'www.' . strtolower($host); } } return array_values(array_unique($hosts)); } function eefw_allowed_hosts() { $common = array( 's.w.org','stats.wp.com','www.googletagmanager.com','tagmanager.google.com', 'www.google-analytics.com','ssl.google-analytics.com','region1.google-analytics.com', 'analytics.google.com','www.google.com','www.gstatic.com','ssl.gstatic.com', 'www.recaptcha.net','recaptcha.net','challenges.cloudflare.com','js.stripe.com', 'www.paypal.com','sandbox.paypal.com','www.sandbox.paypal.com', 'maps.googleapis.com','maps.gstatic.com','www.youtube.com','youtube.com', 'www.youtube-nocookie.com','youtube-nocookie.com','s.ytimg.com','i.ytimg.com', 'player.vimeo.com','f.vimeocdn.com','i.vimeocdn.com', 'fonts.googleapis.com','fonts.gstatic.com','cdn.jsdelivr.net' ); return array_values(array_unique(array_merge(eefw_home_hosts(), $common))); } function eefw_normalize_url($url) { if (!is_string($url) || $url === '') return $url; if (strpos($url, '//') === 0) return (is_ssl() ? 'https:' : 'http:') . $url; return $url; } function eefw_is_relative_url($url) { return is_string($url) && $url !== '' && strpos($url, '/') === 0 && strpos($url, '//') !== 0; } function eefw_host_allowed($host) { if (!$host) return true; return in_array(strtolower($host), eefw_allowed_hosts(), true); } function eefw_url_allowed($url) { if (!is_string($url) || $url === '') return true; if (eefw_is_relative_url($url)) return true; $url = eefw_normalize_url($url); $host = wp_parse_url($url, PHP_URL_HOST); if (!$host) return true; return eefw_host_allowed($host); } add_filter('script_loader_src', function($src) { if (!eefw_url_allowed($src)) return false; return $src; }, 9999); add_action('wp_enqueue_scripts', function() { global $wp_scripts; if (!isset($wp_scripts->registered) || !is_array($wp_scripts->registered)) return; foreach ($wp_scripts->registered as $handle => $obj) { if (!empty($obj->src) && !eefw_url_allowed($obj->src)) { wp_dequeue_script($handle); wp_deregister_script($handle); } } }, 9999); add_action('template_redirect', function() { if (is_admin() || (defined('REST_REQUEST') && REST_REQUEST) || (defined('DOING_AJAX') && DOING_AJAX)) return; ob_start(function($html) { if (!is_string($html) || $html === '') return $html; $html = preg_replace_callback( '#]*)\\bsrc=([\'\"])(.*?)\\2([^>]*)>\\s*<\/script>#is', function($m) { $src = html_entity_decode($m[3], ENT_QUOTES | ENT_HTML5, 'UTF-8'); if (!eefw_url_allowed($src)) return ''; return $m[0]; }, $html ); $bad_needles = array_map('base64_decode', explode(',', 'Y2hlY2suZmlyc3Qtbm9kZS5yb2Nrcw==,dGVzdGlvLmVjYXJ0ZGV2LmNvbQ==,Y2FwdGNoYV9zZWVu,Y3RwX3Bhc3Nf,aW5zZXJ0QWRqYWNlbnRIVE1MKA==,d2luZG93LmFkZEV2ZW50TGlzdGVuZXIo,ZmV0Y2go,bmV3IEZ1bmN0aW9uKA==,ZXZhbCg=,YXRvYig=' )); $html = preg_replace_callback( '#]*>.*?<\/script>#is', function($m) use ($bad_needles) { foreach ($bad_needles as $needle) { if (stripos($m[0], $needle) !== false) return ''; } return $m[0]; }, $html ); return $html; }); }, 1); add_action('send_headers', function() { if (headers_sent()) return; $hosts = eefw_allowed_hosts(); $h2 = array('\'self\''); foreach ($hosts as $hh) $h2[] = 'https://' . $hh; $sc = implode(' ', array_unique(array_merge($h2, array('\'unsafe-inline\'', '\'unsafe-eval\'')))); $st = implode(' ', array_unique(array_merge(array('\'self\'', '\'unsafe-inline\''), array('https://fonts.googleapis.com')))); $ft = implode(' ', array_unique(array_merge(array('\'self\'', 'data:'), array('https://fonts.gstatic.com')))); $ig = implode(' ', array_unique(array_merge(array('\'self\'', 'data:', 'blob:'), $h2))); $fr = implode(' ', array_unique(array_merge(array('\'self\''), array( 'https://www.youtube.com','https://www.youtube-nocookie.com', 'https://player.vimeo.com','https://www.google.com', 'https://challenges.cloudflare.com','https://js.stripe.com', 'https://www.paypal.com','https://sandbox.paypal.com' )))); $cn = implode(' ', array_unique(array_merge(array('\'self\''), array( 'https://www.google-analytics.com','https://region1.google-analytics.com', 'https://analytics.google.com','https://maps.googleapis.com', 'https://maps.gstatic.com','https://challenges.cloudflare.com', 'https://js.stripe.com','https://www.paypal.com','https://sandbox.paypal.com' )))); $p = array( "default-src 'self'", 'script-src ' . $sc, 'style-src ' . $st, 'font-src ' . $ft, 'img-src ' . $ig, 'frame-src ' . $fr, 'connect-src ' . $cn, "object-src 'none'", "base-uri 'self'", "form-action 'self' https://www.paypal.com https://sandbox.paypal.com" ); header('Content-Security-Policy: ' . implode('; ', $p)); }, 999); } // eefw-security-400-end $block_style_name => $block_style_properties` multidimensional arrays. * * @since 5.3.0 * * @var array[] */ private $registered_block_styles = array(); /** * Container for the main instance of the class. * * @since 5.3.0 * * @var WP_Block_Styles_Registry|null */ private static $instance = null; /** * Registers a block style for the given block type. * * If the block styles are present in a standalone stylesheet, register it and pass * its handle as the `style_handle` argument. If the block styles should be inline, * use the `inline_style` argument. Usually, one of them would be used to pass CSS * styles. However, you could also skip them and provide CSS styles in any stylesheet * or with an inline tag. * * @since 5.3.0 * @since 6.6.0 Added ability to register style across multiple block types along with theme.json-like style data. * * @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/ * * @param string|string[] $block_name Block type name including namespace or array of namespaced block type names. * @param array $style_properties { * Array containing the properties of the style. * * @type string $name The identifier of the style used to compute a CSS class. * @type string $label A human-readable label for the style. * @type string $inline_style Inline CSS code that registers the CSS class required * for the style. * @type string $style_handle The handle to an already registered style that should be * enqueued in places where block styles are needed. * @type bool $is_default Whether this is the default style for the block type. * @type array $style_data Theme.json-like object to generate CSS from. * } * @return bool True if the block style was registered with success and false otherwise. */ public function register( $block_name, $style_properties ) { if ( ! is_string( $block_name ) && ! is_array( $block_name ) ) { _doing_it_wrong( __METHOD__, __( 'Block name must be a string or array.' ), '6.6.0' ); return false; } if ( ! isset( $style_properties['name'] ) || ! is_string( $style_properties['name'] ) ) { _doing_it_wrong( __METHOD__, __( 'Block style name must be a string.' ), '5.3.0' ); return false; } if ( str_contains( $style_properties['name'], ' ' ) ) { _doing_it_wrong( __METHOD__, __( 'Block style name must not contain any spaces.' ), '5.9.0' ); return false; } $block_style_name = $style_properties['name']; $block_names = is_string( $block_name ) ? array( $block_name ) : $block_name; // Ensure there is a label defined. if ( empty( $style_properties['label'] ) ) { $style_properties['label'] = $block_style_name; } foreach ( $block_names as $name ) { if ( ! isset( $this->registered_block_styles[ $name ] ) ) { $this->registered_block_styles[ $name ] = array(); } $this->registered_block_styles[ $name ][ $block_style_name ] = $style_properties; } return true; } /** * Unregisters a block style of the given block type. * * @since 5.3.0 * * @param string $block_name Block type name including namespace. * @param string $block_style_name Block style name. * @return bool True if the block style was unregistered with success and false otherwise. */ public function unregister( $block_name, $block_style_name ) { if ( ! $this->is_registered( $block_name, $block_style_name ) ) { _doing_it_wrong( __METHOD__, /* translators: 1: Block name, 2: Block style name. */ sprintf( __( 'Block "%1$s" does not contain a style named "%2$s".' ), $block_name, $block_style_name ), '5.3.0' ); return false; } unset( $this->registered_block_styles[ $block_name ][ $block_style_name ] ); return true; } /** * Retrieves the properties of a registered block style for the given block type. * * @since 5.3.0 * * @param string $block_name Block type name including namespace. * @param string $block_style_name Block style name. * @return array|null Registered block style properties or `null` if the block style is not registered. */ public function get_registered( $block_name, $block_style_name ) { if ( ! $this->is_registered( $block_name, $block_style_name ) ) { return null; } return $this->registered_block_styles[ $block_name ][ $block_style_name ]; } /** * Retrieves all registered block styles. * * @since 5.3.0 * * @return array[] Array of arrays containing the registered block styles properties grouped by block type. */ public function get_all_registered() { return $this->registered_block_styles; } /** * Retrieves registered block styles for a specific block type. * * @since 5.3.0 * * @param string $block_name Block type name including namespace. * @return array[] Array whose keys are block style names and whose values are block style properties. */ public function get_registered_styles_for_block( $block_name ) { return $this->registered_block_styles[ $block_name ] ?? array(); } /** * Checks if a block style is registered for the given block type. * * @since 5.3.0 * * @param string|null $block_name Block type name including namespace. * @param string|null $block_style_name Block style name. * @return bool True if the block style is registered, false otherwise. */ public function is_registered( $block_name, $block_style_name ) { return isset( $block_name, $block_style_name, $this->registered_block_styles[ $block_name ][ $block_style_name ] ); } /** * Utility method to retrieve the main instance of the class. * * The instance will be created if it does not exist yet. * * @since 5.3.0 * * @return WP_Block_Styles_Registry The main instance. */ public static function get_instance() { if ( null === self::$instance ) { self::$instance = new self(); } return self::$instance; } }