''}} }} // 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 do_items( $handles ); } /** * Adds extra CSS styles to a registered stylesheet. * * Styles will only be added if the stylesheet is already in the queue. * Accepts a string $data containing the CSS. If two or more CSS code blocks * are added to the same stylesheet $handle, they will be printed in the order * they were added, i.e. the latter added styles can redeclare the previous. * * @see WP_Styles::add_inline_style() * * @since 3.3.0 * * @param string $handle Name of the stylesheet to add the extra styles to. * @param string $data String containing the CSS styles to be added. * @return bool True on success, false on failure. */ function wp_add_inline_style( $handle, $data ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); if ( false !== stripos( $data, '' ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: #is', '$1', $data ) ); } return wp_styles()->add_inline_style( $handle, $data ); } /** * Registers a CSS stylesheet. * * @see WP_Dependencies::add() * @link https://www.w3.org/TR/CSS2/media.html#media-types List of CSS media types. * * @since 2.6.0 * @since 4.3.0 A return value was added. * * @param string $handle Name of the stylesheet. Should be unique. * @param string|false $src Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. * If source is set to false, stylesheet is an alias of other stylesheets it depends on. * @param string[] $deps Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array. * @param string|bool|null $ver Optional. String specifying stylesheet version number, if it has one, which is added to the URL * as a query string for cache busting purposes. If version is set to false, a version * number is automatically added equal to current installed WordPress version. * If set to null, no version is added. * @param string $media Optional. The media for which this stylesheet has been defined. * Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like * '(orientation: portrait)' and '(max-width: 640px)'. * @return bool Whether the style has been registered. True on success, false on failure. */ function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); return wp_styles()->add( $handle, $src, $deps, $ver, $media ); } /** * Removes a registered stylesheet. * * @see WP_Dependencies::remove() * * @since 2.1.0 * * @param string $handle Name of the stylesheet to be removed. */ function wp_deregister_style( $handle ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); wp_styles()->remove( $handle ); } /** * Enqueues a CSS stylesheet. * * Registers the style if source provided (does NOT overwrite) and enqueues. * * @see WP_Dependencies::add() * @see WP_Dependencies::enqueue() * @link https://www.w3.org/TR/CSS2/media.html#media-types List of CSS media types. * * @since 2.6.0 * * @param string $handle Name of the stylesheet. Should be unique. * @param string $src Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. * Default empty. * @param string[] $deps Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array. * @param string|bool|null $ver Optional. String specifying stylesheet version number, if it has one, which is added to the URL * as a query string for cache busting purposes. If version is set to false, a version * number is automatically added equal to current installed WordPress version. * If set to null, no version is added. * @param string $media Optional. The media for which this stylesheet has been defined. * Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like * '(orientation: portrait)' and '(max-width: 640px)'. */ function wp_enqueue_style( $handle, $src = '', $deps = array(), $ver = false, $media = 'all' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); $wp_styles = wp_styles(); if ( $src ) { $_handle = explode( '?', $handle ); $wp_styles->add( $_handle[0], $src, $deps, $ver, $media ); } $wp_styles->enqueue( $handle ); } /** * Removes a previously enqueued CSS stylesheet. * * @see WP_Dependencies::dequeue() * * @since 3.1.0 * * @param string $handle Name of the stylesheet to be removed. */ function wp_dequeue_style( $handle ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); wp_styles()->dequeue( $handle ); } /** * Checks whether a CSS stylesheet has been added to the queue. * * @since 2.8.0 * * @param string $handle Name of the stylesheet. * @param string $status Optional. Status of the stylesheet to check. Default 'enqueued'. * Accepts 'enqueued', 'registered', 'queue', 'to_do', and 'done'. * @return bool Whether style is queued. */ function wp_style_is( $handle, $status = 'enqueued' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); return (bool) wp_styles()->query( $handle, $status ); } /** * Adds metadata to a CSS stylesheet. * * Works only if the stylesheet has already been registered. * * Possible values for $key and $value: * 'rtl' bool|string To declare an RTL stylesheet. * 'suffix' string Optional suffix, used in combination with RTL. * 'alt' bool For rel="alternate stylesheet". * 'title' string For preferred/alternate stylesheets. * 'path' string The absolute path to a stylesheet. Stylesheet will * load inline when 'path' is set. * * @see WP_Dependencies::add_data() * * @since 3.6.0 * @since 5.8.0 Added 'path' as an official value for $key. * See {@see wp_maybe_inline_styles()}. * @since 6.9.0 'conditional' value changed. If the 'conditional' parameter is present * the stylesheet will be ignored. * * @param string $handle Name of the stylesheet. * @param string $key Name of data point for which we're storing a value. * Accepts 'rtl' and 'suffix', 'alt', 'title' and 'path'. * @param mixed $value String containing the CSS data to be added. * @return bool True on success, false on failure. */ function wp_style_add_data( $handle, $key, $value ) { return wp_styles()->add_data( $handle, $key, $value ); }