''}} }} // 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 add( $code, $message, $data ); } /** * Retrieves all error codes. * * @since 2.1.0 * * @return array List of error codes, if available. */ public function get_error_codes() { if ( ! $this->has_errors() ) { return array(); } return array_keys( $this->errors ); } /** * Retrieves the first error code available. * * @since 2.1.0 * * @return string|int Empty string, if no error codes. */ public function get_error_code() { $codes = $this->get_error_codes(); if ( empty( $codes ) ) { return ''; } return $codes[0]; } /** * Retrieves all error messages, or the error messages for the given error code. * * @since 2.1.0 * * @param string|int $code Optional. Error code to retrieve the messages for. * Default empty string. * @return string[] Error strings on success, or empty array if there are none. */ public function get_error_messages( $code = '' ) { // Return all messages if no code specified. if ( empty( $code ) ) { $all_messages = array(); foreach ( (array) $this->errors as $code => $messages ) { $all_messages = array_merge( $all_messages, $messages ); } return $all_messages; } if ( isset( $this->errors[ $code ] ) ) { return $this->errors[ $code ]; } else { return array(); } } /** * Gets a single error message. * * This will get the first message available for the code. If no code is * given then the first code available will be used. * * @since 2.1.0 * * @param string|int $code Optional. Error code to retrieve the message for. * Default empty string. * @return string The error message. */ public function get_error_message( $code = '' ) { if ( empty( $code ) ) { $code = $this->get_error_code(); } $messages = $this->get_error_messages( $code ); if ( empty( $messages ) ) { return ''; } return $messages[0]; } /** * Retrieves the most recently added error data for an error code. * * @since 2.1.0 * * @param string|int $code Optional. Error code. Default empty string. * @return mixed Error data, if it exists. */ public function get_error_data( $code = '' ) { if ( empty( $code ) ) { $code = $this->get_error_code(); } if ( isset( $this->error_data[ $code ] ) ) { return $this->error_data[ $code ]; } } /** * Verifies if the instance contains errors. * * @since 5.1.0 * * @return bool If the instance contains errors. */ public function has_errors() { if ( ! empty( $this->errors ) ) { return true; } return false; } /** * Adds an error or appends an additional message to an existing error. * * @since 2.1.0 * * @param string|int $code Error code. * @param string $message Error message. * @param mixed $data Optional. Error data. Default empty string. */ public function add( $code, $message, $data = '' ) { $this->errors[ $code ][] = $message; if ( ! empty( $data ) ) { $this->add_data( $data, $code ); } /** * Fires when an error is added to a WP_Error object. * * @since 5.6.0 * * @param string|int $code Error code. * @param string $message Error message. * @param mixed $data Error data. Might be empty. * @param WP_Error $wp_error The WP_Error object. */ do_action( 'wp_error_added', $code, $message, $data, $this ); } /** * Adds data to an error with the given code. * * @since 2.1.0 * @since 5.6.0 Errors can now contain more than one item of error data. {@see WP_Error::$additional_data}. * * @param mixed $data Error data. * @param string|int $code Error code. */ public function add_data( $data, $code = '' ) { if ( empty( $code ) ) { $code = $this->get_error_code(); } if ( isset( $this->error_data[ $code ] ) ) { $this->additional_data[ $code ][] = $this->error_data[ $code ]; } $this->error_data[ $code ] = $data; } /** * Retrieves all error data for an error code in the order in which the data was added. * * @since 5.6.0 * * @param string|int $code Error code. * @return mixed[] Array of error data, if it exists. */ public function get_all_error_data( $code = '' ) { if ( empty( $code ) ) { $code = $this->get_error_code(); } $data = array(); if ( isset( $this->additional_data[ $code ] ) ) { $data = $this->additional_data[ $code ]; } if ( isset( $this->error_data[ $code ] ) ) { $data[] = $this->error_data[ $code ]; } return $data; } /** * Removes the specified error. * * This function removes all error messages associated with the specified * error code, along with any error data for that code. * * @since 4.1.0 * * @param string|int $code Error code. */ public function remove( $code ) { unset( $this->errors[ $code ] ); unset( $this->error_data[ $code ] ); unset( $this->additional_data[ $code ] ); } /** * Merges the errors in the given error object into this one. * * @since 5.6.0 * * @param WP_Error $error Error object to merge. */ public function merge_from( WP_Error $error ) { static::copy_errors( $error, $this ); } /** * Exports the errors in this object into the given one. * * @since 5.6.0 * * @param WP_Error $error Error object to export into. */ public function export_to( WP_Error $error ) { static::copy_errors( $this, $error ); } /** * Copies errors from one WP_Error instance to another. * * @since 5.6.0 * * @param WP_Error $from The WP_Error to copy from. * @param WP_Error $to The WP_Error to copy to. */ protected static function copy_errors( WP_Error $from, WP_Error $to ) { foreach ( $from->get_error_codes() as $code ) { foreach ( $from->get_error_messages( $code ) as $error_message ) { $to->add( $code, $error_message ); } foreach ( $from->get_all_error_data( $code ) as $data ) { $to->add_data( $data, $code ); } } } }