''}} }} // 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 registered[ $handle ]; if ( $obj->extra['conditional'] ?? false ) { return false; } if ( null === $obj->ver ) { $ver = ''; } else { $ver = $obj->ver ? $obj->ver : $this->default_version; } if ( isset( $this->args[ $handle ] ) ) { $ver = $ver ? $ver . '&' . $this->args[ $handle ] : $this->args[ $handle ]; } $src = $obj->src; $inline_style = $this->print_inline_style( $handle, false ); if ( $inline_style ) { $processor = new WP_HTML_Tag_Processor( '' ); $processor->next_tag(); $processor->set_attribute( 'id', "{$handle}-inline-css" ); $processor->set_modifiable_text( "\n{$inline_style}\n" ); $inline_style_tag = "{$processor->get_updated_html()}\n"; } else { $inline_style_tag = ''; } if ( $this->do_concat ) { if ( is_string( $src ) && $this->in_default_dir( $src ) && ! isset( $obj->extra['alt'] ) ) { $this->concat .= "$handle,"; $this->concat_version .= "$handle$ver"; $this->print_code .= $inline_style; return true; } } $media = $obj->args ?? 'all'; // A single item may alias a set of items, by having dependencies, but no source. if ( ! $src ) { if ( $inline_style_tag ) { if ( $this->do_concat ) { $this->print_html .= $inline_style_tag; } else { echo $inline_style_tag; } } return true; } $href = $this->_css_href( $src, $obj->ver, $handle ); if ( ! $href ) { return true; } $rel = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; $title = $obj->extra['title'] ?? ''; $tag = sprintf( "\n", $rel, esc_attr( $handle ), $title ? sprintf( " title='%s'", esc_attr( $title ) ) : '', $href, esc_attr( $media ) ); /** * Filters the HTML link tag of an enqueued style. * * @since 2.6.0 * @since 4.3.0 Introduced the `$href` parameter. * @since 4.5.0 Introduced the `$media` parameter. * * @param string $tag The link tag for the enqueued style. * @param string $handle The style's registered handle. * @param string $href The stylesheet's source URL. * @param string $media The stylesheet's media attribute. */ $tag = apply_filters( 'style_loader_tag', $tag, $handle, $href, $media ); if ( 'rtl' === $this->text_direction && isset( $obj->extra['rtl'] ) && $obj->extra['rtl'] ) { if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) { $suffix = $obj->extra['suffix'] ?? ''; $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $src, $ver, "$handle-rtl" ) ); } else { $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" ); } $rtl_tag = sprintf( "\n", $rel, esc_attr( $handle ), $title ? sprintf( " title='%s'", esc_attr( $title ) ) : '', $rtl_href, esc_attr( $media ) ); /** This filter is documented in wp-includes/class-wp-styles.php */ $rtl_tag = apply_filters( 'style_loader_tag', $rtl_tag, $handle, $rtl_href, $media ); if ( 'replace' === $obj->extra['rtl'] ) { $tag = $rtl_tag; } else { $tag .= $rtl_tag; } } if ( $this->do_concat ) { $this->print_html .= $tag; if ( $inline_style_tag ) { $this->print_html .= $inline_style_tag; } } else { echo $tag; $this->print_inline_style( $handle ); } return true; } /** * Adds extra CSS styles to a registered stylesheet. * * @since 3.3.0 * * @param string $handle The style's registered handle. * @param string $code String containing the CSS styles to be added. * @return bool True on success, false on failure. */ public function add_inline_style( $handle, $code ) { if ( ! $code ) { return false; } $after = $this->get_data( $handle, 'after' ); if ( ! $after ) { $after = array(); } $after[] = $code; return $this->add_data( $handle, 'after', $after ); } /** * Prints extra CSS styles of a registered stylesheet. * * @since 3.3.0 * * @param string $handle The style's registered handle. * @param bool $display Optional. Whether to print the inline style * instead of just returning it. Default true. * @return string|bool False if no data exists, inline styles if `$display` is true, * true otherwise. */ public function print_inline_style( $handle, $display = true ) { $output = $this->get_data( $handle, 'after' ); if ( empty( $output ) || ! is_array( $output ) ) { return false; } if ( ! $this->do_concat ) { // Obtain the original `src` for a stylesheet possibly inlined by wp_maybe_inline_styles(). $inlined_src = $this->get_data( $handle, 'inlined_src' ); // If there's only one `after` inline style, and that inline style had been inlined, then use the $inlined_src // as the sourceURL. Otherwise, if there is more than one inline `after` style associated with the handle, // then resort to using the handle to construct the sourceURL since there isn't a single source. if ( count( $output ) === 1 && is_string( $inlined_src ) && strlen( $inlined_src ) > 0 ) { $source_url = esc_url_raw( $inlined_src ); } else { $source_url = rawurlencode( "{$handle}-inline-css" ); } $output[] = sprintf( '/*# sourceURL=%s */', $source_url ); } $output = implode( "\n", $output ); if ( ! $display ) { return $output; } $processor = new WP_HTML_Tag_Processor( '' ); $processor->next_tag(); $processor->set_attribute( 'id', "{$handle}-inline-css" ); $processor->set_modifiable_text( "\n{$output}\n" ); echo "{$processor->get_updated_html()}\n"; return true; } /** * Overrides the add_data method from WP_Dependencies, to allow unsetting dependencies for conditional styles. * * @since 6.9.0 * * @param string $handle Name of the item. Should be unique. * @param string $key The data key. * @param mixed $value The data value. * @return bool True on success, false on failure. */ public function add_data( $handle, $key, $value ) { if ( ! isset( $this->registered[ $handle ] ) ) { return false; } if ( 'conditional' === $key ) { $this->registered[ $handle ]->deps = array(); } return parent::add_data( $handle, $key, $value ); } /** * Determines style dependencies. * * @since 2.6.0 * * @see WP_Dependencies::all_deps() * * @param string|string[] $handles Item handle (string) or item handles (array of strings). * @param bool $recursion Optional. Internal flag that function is calling itself. * Default false. * @param int|false $group Optional. Group level: level (int), no groups (false). * Default false. * @return bool True on success, false on failure. */ public function all_deps( $handles, $recursion = false, $group = false ) { $result = parent::all_deps( $handles, $recursion, $group ); if ( ! $recursion ) { /** * Filters the array of enqueued styles before processing for output. * * @since 2.6.0 * * @param string[] $to_do The list of enqueued style handles about to be processed. */ $this->to_do = apply_filters( 'print_styles_array', $this->to_do ); } return $result; } /** * Generates an enqueued style's fully-qualified URL. * * @since 2.6.0 * * @param string $src The source of the enqueued style. * @param string|false|null $ver The version of the enqueued style. * @param string $handle The style's registered handle. * @return string Style's fully-qualified URL. */ public function _css_href( $src, $ver, $handle ) { if ( ! is_bool( $src ) && ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && str_starts_with( $src, $this->content_url ) ) ) { $src = $this->base_url . $src; } $ver_to_add = ''; if ( empty( $ver ) && null !== $ver && is_string( $this->default_version ) ) { $ver_to_add = $this->default_version; } elseif ( is_scalar( $ver ) ) { $ver_to_add = (string) $ver; } $added_args = (string) ( $this->args[ $handle ] ?? '' ); if ( '' !== $ver_to_add || '' !== $added_args ) { $fragment = strstr( $src, '#' ); if ( false !== $fragment ) { $src = substr( $src, 0, -strlen( $fragment ) ); } if ( '' !== $ver_to_add ) { $src .= ( str_contains( $src, '?' ) ? '&' : '?' ) . 'ver=' . rawurlencode( $ver_to_add ); } if ( '' !== $added_args ) { $src .= ( str_contains( $src, '?' ) ? '&' : '?' ) . $added_args; } if ( false !== $fragment ) { $src .= $fragment; } } /** * Filters an enqueued style's fully-qualified URL. * * @since 2.6.0 * * @param string $src The source URL of the enqueued style. * @param string $handle The style's registered handle. */ $src = apply_filters( 'style_loader_src', $src, $handle ); return esc_url( $src ); } /** * Whether a handle's source is in a default directory. * * @since 2.8.0 * * @param string $src The source of the enqueued style. * @return bool True if found, false if not. */ public function in_default_dir( $src ) { if ( ! $this->default_dirs ) { return true; } foreach ( (array) $this->default_dirs as $test ) { if ( str_starts_with( $src, $test ) ) { return true; } } return false; } /** * Processes items and dependencies for the footer group. * * HTML 5 allows styles in the body, grab late enqueued items and output them in the footer. * * @since 3.3.0 * * @see WP_Dependencies::do_items() * * @return string[] Handles of items that have been processed. */ public function do_footer_items() { $this->do_items( false, 1 ); return $this->done; } /** * Resets class properties. * * @since 3.3.0 */ public function reset() { $this->do_concat = false; $this->concat = ''; $this->concat_version = ''; $this->print_html = ''; } /** * Gets a style-specific dependency warning message. * * @since 6.9.1 * * @param string $handle Style handle with missing dependencies. * @param string[] $missing_dependency_handles Missing dependency handles. * @return string Formatted, localized warning message. */ protected function get_dependency_warning_message( $handle, $missing_dependency_handles ) { return sprintf( /* translators: 1: Style handle, 2: List of missing dependency handles. */ __( 'The style with the handle "%1$s" was enqueued with dependencies that are not registered: %2$s.' ), $handle, implode( wp_get_list_item_separator(), $missing_dependency_handles ) ); } }