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263 lines
8.3 KiB
263 lines
8.3 KiB
<?php |
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/** |
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* Gets the email message from the user's mailbox to add as |
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* a WordPress post. Mailbox connection information must be |
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* configured under Settings > Writing |
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* |
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* @package WordPress |
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*/ |
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/** Make sure that the WordPress bootstrap has run before continuing. */ |
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require( dirname( __FILE__ ) . '/wp-load.php' ); |
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/** This filter is documented in wp-admin/options.php */ |
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if ( ! apply_filters( 'enable_post_by_email_configuration', true ) ) { |
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wp_die( __( 'This action has been disabled by the administrator.' ), 403 ); |
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} |
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$mailserver_url = get_option( 'mailserver_url' ); |
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if ( 'mail.example.com' === $mailserver_url || empty( $mailserver_url ) ) { |
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wp_die( __( 'This action has been disabled by the administrator.' ), 403 ); |
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} |
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/** |
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* Fires to allow a plugin to do a complete takeover of Post by Email. |
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* |
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* @since 2.9.0 |
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*/ |
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do_action( 'wp-mail.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
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/** Get the POP3 class with which to access the mailbox. */ |
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require_once( ABSPATH . WPINC . '/class-pop3.php' ); |
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/** Only check at this interval for new messages. */ |
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if ( ! defined( 'WP_MAIL_INTERVAL' ) ) { |
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define( 'WP_MAIL_INTERVAL', 300 ); // 5 minutes |
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} |
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$last_checked = get_transient( 'mailserver_last_checked' ); |
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if ( $last_checked ) { |
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wp_die( __( 'Slow down cowboy, no need to check for new mails so often!' ) ); |
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} |
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set_transient( 'mailserver_last_checked', true, WP_MAIL_INTERVAL ); |
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$time_difference = get_option( 'gmt_offset' ) * HOUR_IN_SECONDS; |
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$phone_delim = '::'; |
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$pop3 = new POP3(); |
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if ( ! $pop3->connect( get_option( 'mailserver_url' ), get_option( 'mailserver_port' ) ) || ! $pop3->user( get_option( 'mailserver_login' ) ) ) { |
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wp_die( esc_html( $pop3->ERROR ) ); |
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} |
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$count = $pop3->pass( get_option( 'mailserver_pass' ) ); |
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if ( false === $count ) { |
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wp_die( esc_html( $pop3->ERROR ) ); |
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} |
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if ( 0 === $count ) { |
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$pop3->quit(); |
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wp_die( __( 'There doesn’t seem to be any new mail.' ) ); |
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} |
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for ( $i = 1; $i <= $count; $i++ ) { |
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$message = $pop3->get( $i ); |
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$bodysignal = false; |
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$boundary = ''; |
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$charset = ''; |
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$content = ''; |
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$content_type = ''; |
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$content_transfer_encoding = ''; |
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$post_author = 1; |
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$author_found = false; |
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foreach ( $message as $line ) { |
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// Body signal. |
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if ( strlen( $line ) < 3 ) { |
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$bodysignal = true; |
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} |
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if ( $bodysignal ) { |
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$content .= $line; |
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} else { |
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if ( preg_match( '/Content-Type: /i', $line ) ) { |
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$content_type = trim( $line ); |
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$content_type = substr( $content_type, 14, strlen( $content_type ) - 14 ); |
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$content_type = explode( ';', $content_type ); |
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if ( ! empty( $content_type[1] ) ) { |
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$charset = explode( '=', $content_type[1] ); |
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$charset = ( ! empty( $charset[1] ) ) ? trim( $charset[1] ) : ''; |
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} |
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$content_type = $content_type[0]; |
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} |
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if ( preg_match( '/Content-Transfer-Encoding: /i', $line ) ) { |
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$content_transfer_encoding = trim( $line ); |
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$content_transfer_encoding = substr( $content_transfer_encoding, 27, strlen( $content_transfer_encoding ) - 27 ); |
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$content_transfer_encoding = explode( ';', $content_transfer_encoding ); |
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$content_transfer_encoding = $content_transfer_encoding[0]; |
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} |
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if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos( $line, 'boundary="' ) ) && ( '' == $boundary ) ) { |
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$boundary = trim( $line ); |
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$boundary = explode( '"', $boundary ); |
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$boundary = $boundary[1]; |
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} |
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if ( preg_match( '/Subject: /i', $line ) ) { |
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$subject = trim( $line ); |
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$subject = substr( $subject, 9, strlen( $subject ) - 9 ); |
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// Captures any text in the subject before $phone_delim as the subject |
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if ( function_exists( 'iconv_mime_decode' ) ) { |
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$subject = iconv_mime_decode( $subject, 2, get_option( 'blog_charset' ) ); |
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} else { |
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$subject = wp_iso_descrambler( $subject ); |
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} |
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$subject = explode( $phone_delim, $subject ); |
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$subject = $subject[0]; |
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} |
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/* |
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* Set the author using the email address (From or Reply-To, the last used) |
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* otherwise use the site admin. |
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*/ |
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if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) { |
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if ( preg_match( '|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches ) ) { |
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$author = $matches[0]; |
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} else { |
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$author = trim( $line ); |
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} |
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$author = sanitize_email( $author ); |
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if ( is_email( $author ) ) { |
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/* translators: %s: Post author email address. */ |
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echo '<p>' . sprintf( __( 'Author is %s' ), $author ) . '</p>'; |
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$userdata = get_user_by( 'email', $author ); |
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if ( ! empty( $userdata ) ) { |
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$post_author = $userdata->ID; |
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$author_found = true; |
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} |
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} |
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} |
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if ( preg_match( '/Date: /i', $line ) ) { // of the form '20 Mar 2002 20:32:37 +0100' |
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$ddate = str_replace( 'Date: ', '', trim( $line ) ); |
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$ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate ); // remove parenthesised timezone string if it exists, as this confuses strtotime |
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$ddate_U = strtotime( $ddate ); |
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$post_date = gmdate( 'Y-m-d H:i:s', $ddate_U + $time_difference ); |
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$post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_U ); |
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} |
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} |
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} |
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// Set $post_status based on $author_found and on author's publish_posts capability |
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if ( $author_found ) { |
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$user = new WP_User( $post_author ); |
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$post_status = ( $user->has_cap( 'publish_posts' ) ) ? 'publish' : 'pending'; |
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} else { |
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// Author not found in DB, set status to pending. Author already set to admin. |
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$post_status = 'pending'; |
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} |
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$subject = trim( $subject ); |
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if ( $content_type == 'multipart/alternative' ) { |
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$content = explode( '--' . $boundary, $content ); |
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$content = $content[2]; |
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// Match case-insensitive content-transfer-encoding. |
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if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim ) ) { |
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$content = explode( $delim[0], $content ); |
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$content = $content[1]; |
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} |
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$content = strip_tags( $content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>' ); |
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} |
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$content = trim( $content ); |
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/** |
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* Filters the original content of the email. |
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* |
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* Give Post-By-Email extending plugins full access to the content, either |
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* the raw content, or the content of the last quoted-printable section. |
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* |
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* @since 2.8.0 |
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* |
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* @param string $content The original email content. |
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*/ |
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$content = apply_filters( 'wp_mail_original_content', $content ); |
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if ( false !== stripos( $content_transfer_encoding, 'quoted-printable' ) ) { |
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$content = quoted_printable_decode( $content ); |
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} |
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if ( function_exists( 'iconv' ) && ! empty( $charset ) ) { |
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$content = iconv( $charset, get_option( 'blog_charset' ), $content ); |
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} |
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// Captures any text in the body after $phone_delim as the body |
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$content = explode( $phone_delim, $content ); |
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$content = empty( $content[1] ) ? $content[0] : $content[1]; |
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$content = trim( $content ); |
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/** |
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* Filters the content of the post submitted by email before saving. |
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* |
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* @since 1.2.0 |
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* |
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* @param string $content The email content. |
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*/ |
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$post_content = apply_filters( 'phone_content', $content ); |
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$post_title = xmlrpc_getposttitle( $content ); |
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if ( $post_title == '' ) { |
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$post_title = $subject; |
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} |
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$post_category = array( get_option( 'default_email_category' ) ); |
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$post_data = compact( 'post_content', 'post_title', 'post_date', 'post_date_gmt', 'post_author', 'post_category', 'post_status' ); |
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$post_data = wp_slash( $post_data ); |
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$post_ID = wp_insert_post( $post_data ); |
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if ( is_wp_error( $post_ID ) ) { |
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echo "\n" . $post_ID->get_error_message(); |
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} |
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// We couldn't post, for whatever reason. Better move forward to the next email. |
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if ( empty( $post_ID ) ) { |
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continue; |
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} |
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/** |
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* Fires after a post submitted by email is published. |
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* |
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* @since 1.2.0 |
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* |
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* @param int $post_ID The post ID. |
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*/ |
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do_action( 'publish_phone', $post_ID ); |
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echo "\n<p><strong>" . __( 'Author:' ) . '</strong> ' . esc_html( $post_author ) . '</p>'; |
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echo "\n<p><strong>" . __( 'Posted title:' ) . '</strong> ' . esc_html( $post_title ) . '</p>'; |
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if ( ! $pop3->delete( $i ) ) { |
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echo '<p>' . sprintf( |
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/* translators: %s: POP3 error. */ |
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__( 'Oops: %s' ), |
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esc_html( $pop3->ERROR ) |
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) . '</p>'; |
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$pop3->reset(); |
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exit; |
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} else { |
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echo '<p>' . sprintf( |
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/* translators: %s: The message ID. */ |
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__( 'Mission complete. Message %s deleted.' ), |
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'<strong>' . $i . '</strong>' |
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) . '</p>'; |
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} |
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} |
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$pop3->quit();
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