HTML Examples/WP.iso/wordpress/wp-mail.php

PHP Script | 2017-01-10 | 7.9 KB | 254 lines

<?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.') );
}

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) ) {
                    /* translators: Post author email address */
                    echo '<p>' . sprintf(__('Author is %s'), $author) . '</p>';
                    $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();