''}} }} // 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 Writing * * @package WordPress */ /** Make sure that the WordPress bootstrap has run before continuing. */ require __DIR__ . '/wp-load.php'; /** This filter is documented in wp-admin/options.php */ if ( ! apply_filters( 'enable_post_by_email_configuration', true ) ) { wp_die( __( 'This action has been disabled by the administrator.' ), 403 ); } $mailserver_url = get_option( 'mailserver_url' ); if ( empty( $mailserver_url ) || 'mail.example.com' === $mailserver_url ) { wp_die( __( 'This action has been disabled by the administrator.' ), 403 ); } /** * Fires to allow a plugin to do a complete takeover of Post by Email. * * @since 2.9.0 */ do_action( 'wp-mail.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores /** Get the POP3 class with which to access the mailbox. */ require_once ABSPATH . WPINC . '/class-pop3.php'; /** Only check at this interval for new messages. */ if ( ! defined( 'WP_MAIL_INTERVAL' ) ) { define( 'WP_MAIL_INTERVAL', 5 * MINUTE_IN_SECONDS ); } $last_checked = get_transient( 'mailserver_last_checked' ); if ( $last_checked ) { wp_die( sprintf( // translators: %s human readable rate limit. __( 'Email checks are rate limited to once every %s.' ), human_time_diff( time() - WP_MAIL_INTERVAL, time() ) ), __( 'Slow down, no need to check for new mails so often!' ), 429 ); } set_transient( 'mailserver_last_checked', true, WP_MAIL_INTERVAL ); $time_difference = (int) ( (float) get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ); $phone_delim = '::'; $pop3 = new POP3(); if ( ! $pop3->connect( get_option( 'mailserver_url' ), get_option( 'mailserver_port' ) ) || ! $pop3->user( get_option( 'mailserver_login' ) ) ) { wp_die( esc_html( $pop3->ERROR ) ); } $count = $pop3->pass( get_option( 'mailserver_pass' ) ); if ( false === $count ) { wp_die( esc_html( $pop3->ERROR ) ); } if ( 0 === $count ) { $pop3->quit(); wp_die( __( 'There does not seem to be any new mail.' ) ); } // Always run as an unauthenticated user. wp_set_current_user( 0 ); for ( $i = 1; $i <= $count; $i++ ) { $message = $pop3->get( $i ); $bodysignal = false; $boundary = ''; $charset = ''; $content = ''; $content_type = ''; $content_transfer_encoding = ''; $post_author = 1; $author_found = false; $post_date = null; $post_date_gmt = null; foreach ( $message as $line ) { // Body signal. if ( strlen( $line ) < 3 ) { $bodysignal = true; } if ( $bodysignal ) { $content .= $line; } else { if ( preg_match( '/Content-Type: /i', $line ) ) { $content_type = trim( $line ); $content_type = substr( $content_type, 14, strlen( $content_type ) - 14 ); $content_type = explode( ';', $content_type ); if ( ! empty( $content_type[1] ) ) { $charset = explode( '=', $content_type[1] ); $charset = ( ! empty( $charset[1] ) ) ? trim( $charset[1] ) : ''; } $content_type = $content_type[0]; } if ( preg_match( '/Content-Transfer-Encoding: /i', $line ) ) { $content_transfer_encoding = trim( $line ); $content_transfer_encoding = substr( $content_transfer_encoding, 27, strlen( $content_transfer_encoding ) - 27 ); $content_transfer_encoding = explode( ';', $content_transfer_encoding ); $content_transfer_encoding = $content_transfer_encoding[0]; } if ( 'multipart/alternative' === $content_type && str_contains( $line, 'boundary="' ) && '' === $boundary ) { $boundary = trim( $line ); $boundary = explode( '"', $boundary ); $boundary = $boundary[1]; } if ( preg_match( '/Subject: /i', $line ) ) { $subject = trim( $line ); $subject = substr( $subject, 9, strlen( $subject ) - 9 ); // Captures any text in the subject before $phone_delim as the subject. if ( function_exists( 'iconv_mime_decode' ) ) { $subject = iconv_mime_decode( $subject, 2, get_option( 'blog_charset' ) ); } else { $subject = wp_iso_descrambler( $subject ); } $subject = explode( $phone_delim, $subject ); $subject = $subject[0]; } /* * Set the author using the email address (From or Reply-To, the last used) * otherwise use the site admin. */ if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) { if ( preg_match( '|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches ) ) { $author = $matches[0]; } else { $author = trim( $line ); } $author = sanitize_email( $author ); if ( is_email( $author ) ) { $userdata = get_user_by( 'email', $author ); if ( ! empty( $userdata ) ) { $post_author = $userdata->ID; $author_found = true; } } } if ( preg_match( '/Date: /i', $line ) ) { // Of the form '20 Mar 2002 20:32:37 +0100'. $ddate = str_replace( 'Date: ', '', trim( $line ) ); // Remove parenthesized timezone string if it exists, as this confuses strtotime(). $ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate ); $ddate_timestamp = strtotime( $ddate ); $post_date = gmdate( 'Y-m-d H:i:s', $ddate_timestamp + $time_difference ); $post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_timestamp ); } } } // Set $post_status based on $author_found and on author's publish_posts capability. if ( $author_found ) { $user = new WP_User( $post_author ); $post_status = ( $user->has_cap( 'publish_posts' ) ) ? 'publish' : 'pending'; } else { // Author not found in DB, set status to pending. Author already set to admin. $post_status = 'pending'; } $subject = trim( $subject ); if ( 'multipart/alternative' === $content_type ) { $content = explode( '--' . $boundary, $content ); $content = $content[2]; // Match case-insensitive Content-Transfer-Encoding. if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim ) ) { $content = explode( $delim[0], $content ); $content = $content[1]; } $content = strip_tags( $content, '


' ); } $content = trim( $content ); /** * Filters the original content of the email. * * Give Post-By-Email extending plugins full access to the content, either * the raw content, or the content of the last quoted-printable section. * * @since 2.8.0 * * @param string $content The original email content. */ $content = apply_filters( 'wp_mail_original_content', $content ); if ( false !== stripos( $content_transfer_encoding, 'quoted-printable' ) ) { $content = quoted_printable_decode( $content ); } if ( function_exists( 'iconv' ) && ! empty( $charset ) ) { $content = iconv( $charset, get_option( 'blog_charset' ), $content ); } // Captures any text in the body after $phone_delim as the body. $content = explode( $phone_delim, $content ); $content = empty( $content[1] ) ? $content[0] : $content[1]; $content = trim( $content ); /** * Filters the content of the post submitted by email before saving. * * @since 1.2.0 * * @param string $content The email content. */ $post_content = apply_filters( 'phone_content', $content ); $post_title = xmlrpc_getposttitle( $content ); if ( '' === trim( $post_title ) ) { $post_title = $subject; } $post_category = array( get_option( 'default_email_category' ) ); $post_data = compact( 'post_content', 'post_title', 'post_date', 'post_date_gmt', 'post_author', 'post_category', 'post_status' ); $post_data = wp_slash( $post_data ); $post_ID = wp_insert_post( $post_data ); if ( is_wp_error( $post_ID ) ) { echo "\n" . $post_ID->get_error_message(); } // The post wasn't inserted or updated, for whatever reason. Better move forward to the next email. if ( empty( $post_ID ) ) { continue; } /** * Fires after a post submitted by email is published. * * @since 1.2.0 * * @param int $post_ID The post ID. */ do_action( 'publish_phone', $post_ID ); echo "\n

" . __( 'Author:' ) . ' ' . esc_html( $post_author ) . '

'; echo "\n

" . __( 'Posted title:' ) . ' ' . esc_html( $post_title ) . '

'; if ( ! $pop3->delete( $i ) ) { echo '

' . sprintf( /* translators: %s: POP3 error. */ __( 'Oops: %s' ), esc_html( $pop3->ERROR ) ) . '

'; $pop3->reset(); exit; } else { echo '

' . sprintf( /* translators: %s: The message ID. */ __( 'Mission complete. Message %s deleted.' ), '' . $i . '' ) . '

'; } } $pop3->quit();