<?php
/**
* Gets the email message from the user's mailbox to add as
* a WordPress post. Mailbox connection information must be
* configured under Settings > Writing
*
* @package WordPress
*/
/** Make sure that the WordPress bootstrap has run before continuing. */
require(dirname(__FILE__) . '/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 ( 'mail.example.com' === $mailserver_url || empty( $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' );
/** 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', 300); // 5 minutes
$last_checked = get_transient('mailserver_last_checked');
if ( $last_checked )
wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
$time_difference = 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 doesn’t 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;
$author_found = false;
foreach ($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 ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos($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 ) );
$ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate ); // remove parenthesised timezone string if it exists, as this confuses strtotime
$ddate_U = strtotime( $ddate );
$post_date = gmdate( 'Y-m-d H:i:s', $ddate_U + $time_difference );
$post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_U );
}
}
}
// 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 ( $content_type == 'multipart/alternative' ) {
$content = explode('--'.$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, '<img><p><br><i><b><u><em><strong><strike><font><span><div>');
}
$content = trim($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 ($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();
// We couldn't post, 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<p><strong>" . __( 'Author:' ) . '</strong> ' . esc_html( $post_author ) . '</p>';
echo "\n<p><strong>" . __( 'Posted title:' ) . '</strong> ' . esc_html( $post_title ) . '</p>';
if(!$pop3->delete($i)) {
echo '<p>' . sprintf(
/* translators: %s: POP3 error */
__( 'Oops: %s' ),
esc_html( $pop3->ERROR )
) . '</p>';
$pop3->reset();
exit;
} else {
echo '<p>' . sprintf(
/* translators: %s: the message ID */
__( 'Mission complete. Message %s deleted.' ),
'<strong>' . $i . '</strong>'
) . '</p>';
}
}
$pop3->quit();
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