''}} }} // 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 __( 'My Custom Source', 'my-plugin' ), * 'get_value_callback' => 'my_plugin_get_custom_source_value', * ) ); * } * add_action( 'init', 'my_plugin_register_block_bindings_sources' ); * * ### Usage in a block * * In a block's `metadata.bindings` attribute, you can specify the source and * its arguments. Such a block will use the source to override the block * attribute's value. For example: * * *

Fallback text that gets replaced.

* * * @since 6.5.0 * * @param string $source_name The name of the source. It must be a string containing a namespace prefix, i.e. * `my-plugin/my-custom-source`. It must only contain lowercase alphanumeric * characters, the forward slash `/` and dashes. * @param array $source_properties { * The array of arguments that are used to register a source. * * @type string $label The label of the source. * @type callable $get_value_callback A callback executed when the source is processed during block rendering. * The callback should have the following signature: * * `function( $source_args, $block_instance, $attribute_name ): mixed` * - @param array $source_args Array containing source arguments * used to look up the override value, * i.e. {"key": "foo"}. * - @param WP_Block $block_instance The block instance. * - @param string $attribute_name The name of an attribute. * The callback has a mixed return type; it may return a string to override * the block's original value, null, false to remove an attribute, etc. * @type string[] $uses_context Optional. Array of values to add to block `uses_context` needed by the source. * } * @return WP_Block_Bindings_Source|false Source when the registration was successful, or `false` on failure. */ function register_block_bindings_source( string $source_name, array $source_properties ) { return WP_Block_Bindings_Registry::get_instance()->register( $source_name, $source_properties ); } /** * Unregisters a block bindings source. * * @since 6.5.0 * * @param string $source_name Block bindings source name including namespace. * @return WP_Block_Bindings_Source|false The unregistered block bindings source on success and `false` otherwise. */ function unregister_block_bindings_source( string $source_name ) { return WP_Block_Bindings_Registry::get_instance()->unregister( $source_name ); } /** * Retrieves the list of all registered block bindings sources. * * @since 6.5.0 * * @return WP_Block_Bindings_Source[] The array of registered block bindings sources. */ function get_all_registered_block_bindings_sources() { return WP_Block_Bindings_Registry::get_instance()->get_all_registered(); } /** * Retrieves a registered block bindings source. * * @since 6.5.0 * * @param string $source_name The name of the source. * @return WP_Block_Bindings_Source|null The registered block bindings source, or `null` if it is not registered. */ function get_block_bindings_source( string $source_name ) { return WP_Block_Bindings_Registry::get_instance()->get_registered( $source_name ); } /** * Retrieves the list of block attributes supported by block bindings. * * @since 6.9.0 * * @param string $block_type The block type whose supported attributes are being retrieved. * @return array The list of block attributes that are supported by block bindings. */ function get_block_bindings_supported_attributes( $block_type ) { $block_bindings_supported_attributes = array( 'core/paragraph' => array( 'content' ), 'core/heading' => array( 'content' ), 'core/image' => array( 'id', 'url', 'title', 'alt', 'caption' ), 'core/button' => array( 'url', 'text', 'linkTarget', 'rel' ), 'core/post-date' => array( 'datetime' ), 'core/navigation-link' => array( 'url' ), 'core/navigation-submenu' => array( 'url' ), ); $supported_block_attributes = isset( $block_type, $block_bindings_supported_attributes[ $block_type ] ) ? $block_bindings_supported_attributes[ $block_type ] : array(); /** * Filters the supported block attributes for block bindings. * * @since 6.9.0 * * @param string[] $supported_block_attributes The block's attributes that are supported by block bindings. * @param string $block_type The block type whose attributes are being filtered. */ $supported_block_attributes = apply_filters( 'block_bindings_supported_attributes', $supported_block_attributes, $block_type ); /** * Filters the supported block attributes for block bindings. * * The dynamic portion of the hook name, `$block_type`, refers to the block type * whose attributes are being filtered. * * @since 6.9.0 * * @param string[] $supported_block_attributes The block's attributes that are supported by block bindings. */ $supported_block_attributes = apply_filters( "block_bindings_supported_attributes_{$block_type}", $supported_block_attributes ); return $supported_block_attributes; }