233 lines
6.3 KiB
PHP
233 lines
6.3 KiB
PHP
|
<?php
|
||
|
|
/*
|
||
|
|
Plugin Name: RSS Importer
|
||
|
|
Plugin URI: https://wordpress.org/extend/plugins/rss-importer/
|
||
|
|
Description: Import posts from an RSS feed.
|
||
|
|
Author: wordpressdotorg
|
||
|
|
Author URI: https://wordpress.org/
|
||
|
|
Version: 0.3.2
|
||
|
|
Stable tag: 0.3.2
|
||
|
|
License: GPL version 2 or later - https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
||
|
|
Text Domain: rss-importer
|
||
|
|
*/
|
||
|
|
if ( !defined('WP_LOAD_IMPORTERS') ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Load Importer API
|
||
|
|
require_once ABSPATH . 'wp-admin/includes/import.php';
|
||
|
|
|
||
|
|
if ( !class_exists( 'WP_Importer' ) ) {
|
||
|
|
$class_wp_importer = ABSPATH . 'wp-admin/includes/class-wp-importer.php';
|
||
|
|
if ( file_exists( $class_wp_importer ) )
|
||
|
|
require_once $class_wp_importer;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* RSS Importer
|
||
|
|
*
|
||
|
|
* @package WordPress
|
||
|
|
* @subpackage Importer
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* RSS Importer
|
||
|
|
*
|
||
|
|
* Will process a RSS feed for importing posts into WordPress. This is a very
|
||
|
|
* limited importer and should only be used as the last resort, when no other
|
||
|
|
* importer is available.
|
||
|
|
*
|
||
|
|
* @since unknown
|
||
|
|
*/
|
||
|
|
if ( class_exists( 'WP_Importer' ) ) {
|
||
|
|
class RSS_Import extends WP_Importer {
|
||
|
|
|
||
|
|
var $posts = array ();
|
||
|
|
var $file;
|
||
|
|
|
||
|
|
function header() {
|
||
|
|
echo '<div class="wrap">';
|
||
|
|
|
||
|
|
if ( version_compare( get_bloginfo( 'version' ), '3.8.0', '<' ) ) {
|
||
|
|
screen_icon();
|
||
|
|
}
|
||
|
|
|
||
|
|
echo '<h2>'.__('Import RSS', 'rss-importer').'</h2>';
|
||
|
|
}
|
||
|
|
|
||
|
|
function footer() {
|
||
|
|
echo '</div>';
|
||
|
|
}
|
||
|
|
|
||
|
|
function greet() {
|
||
|
|
echo '<div class="narrow">';
|
||
|
|
echo '<p>'.__('Howdy! This importer allows you to extract posts from an RSS 2.0 file into your WordPress site. This is useful if you want to import your posts from a system that is not handled by a custom import tool. Pick an RSS file to upload and click Import.', 'rss-importer').'</p>';
|
||
|
|
wp_import_upload_form("admin.php?import=rss&step=1");
|
||
|
|
echo '</div>';
|
||
|
|
}
|
||
|
|
|
||
|
|
function _normalize_tag( $matches ) {
|
||
|
|
return '<' . strtolower( $matches[1] );
|
||
|
|
}
|
||
|
|
|
||
|
|
function get_posts() {
|
||
|
|
global $wpdb;
|
||
|
|
|
||
|
|
$datalines = file($this->file); // Read the file into an array
|
||
|
|
$importdata = implode('', $datalines); // squish it
|
||
|
|
$importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
|
||
|
|
|
||
|
|
preg_match_all('|<item>(.*?)</item>|is', $importdata, $this->posts);
|
||
|
|
$this->posts = $this->posts[1];
|
||
|
|
$index = 0;
|
||
|
|
foreach ($this->posts as $post) {
|
||
|
|
preg_match('|<title>(.*?)</title>|is', $post, $post_title);
|
||
|
|
$post_title = str_replace(array('<![CDATA[', ']]>'), '', esc_sql( trim($post_title[1]) ) );
|
||
|
|
|
||
|
|
preg_match('|<pubdate>(.*?)</pubdate>|is', $post, $post_date_gmt);
|
||
|
|
|
||
|
|
if ($post_date_gmt) {
|
||
|
|
$post_date_gmt = strtotime($post_date_gmt[1]);
|
||
|
|
} else {
|
||
|
|
// if we don't already have something from pubDate
|
||
|
|
preg_match('|<dc:date>(.*?)</dc:date>|is', $post, $post_date_gmt);
|
||
|
|
$post_date_gmt = preg_replace('|([-+])([0-9]+):([0-9]+)$|', '\1\2\3', $post_date_gmt[1]);
|
||
|
|
$post_date_gmt = str_replace('T', ' ', $post_date_gmt);
|
||
|
|
$post_date_gmt = strtotime($post_date_gmt);
|
||
|
|
}
|
||
|
|
|
||
|
|
$post_date_gmt = gmdate('Y-m-d H:i:s', $post_date_gmt);
|
||
|
|
$post_date = get_date_from_gmt( $post_date_gmt );
|
||
|
|
|
||
|
|
preg_match_all('|<category>(.*?)</category>|is', $post, $categories);
|
||
|
|
$categories = $categories[1];
|
||
|
|
|
||
|
|
if (!$categories) {
|
||
|
|
preg_match_all('|<dc:subject>(.*?)</dc:subject>|is', $post, $categories);
|
||
|
|
$categories = $categories[1];
|
||
|
|
}
|
||
|
|
|
||
|
|
$cat_index = 0;
|
||
|
|
foreach ($categories as $category) {
|
||
|
|
$categories[$cat_index] = esc_sql( html_entity_decode( $category ) );
|
||
|
|
$cat_index++;
|
||
|
|
}
|
||
|
|
|
||
|
|
preg_match('|<guid.*?>(.*?)</guid>|is', $post, $guid);
|
||
|
|
if ( $guid ) {
|
||
|
|
$guid = esc_sql( trim( $guid[1] ) );
|
||
|
|
} else {
|
||
|
|
$guid = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
preg_match('|<content:encoded>(.*?)</content:encoded>|is', $post, $post_content);
|
||
|
|
|
||
|
|
if ( count( $post_content ) > 1 ) {
|
||
|
|
$post_content = str_replace( array( '<![CDATA[', ']]>'), '', esc_sql( trim( $post_content[1] ) ) );
|
||
|
|
} else {
|
||
|
|
$post_content = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$post_content) {
|
||
|
|
// This is for feeds that put content in description
|
||
|
|
preg_match('|<description>(.*?)</description>|is', $post, $post_content);
|
||
|
|
$post_content = esc_sql( html_entity_decode( trim( $post_content[1] ) ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Clean up content
|
||
|
|
$post_content = preg_replace_callback('|<(/?[A-Z]+)|', array( &$this, '_normalize_tag' ), $post_content);
|
||
|
|
$post_content = str_replace('<br>', '<br />', $post_content);
|
||
|
|
$post_content = str_replace('<hr>', '<hr />', $post_content);
|
||
|
|
|
||
|
|
$post_author = 1;
|
||
|
|
$post_status = 'publish';
|
||
|
|
$this->posts[$index] = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_status', 'guid', 'categories');
|
||
|
|
$index++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function import_posts() {
|
||
|
|
echo '<ol>';
|
||
|
|
|
||
|
|
foreach ($this->posts as $post) {
|
||
|
|
echo "<li>".__('Importing post...', 'rss-importer');
|
||
|
|
|
||
|
|
extract($post);
|
||
|
|
|
||
|
|
if ($post_id = post_exists($post_title, $post_content, $post_date)) {
|
||
|
|
_e('Post already imported', 'rss-importer');
|
||
|
|
} else {
|
||
|
|
$post_id = wp_insert_post($post);
|
||
|
|
if ( is_wp_error( $post_id ) )
|
||
|
|
return $post_id;
|
||
|
|
if (!$post_id) {
|
||
|
|
_e('Couldn’t get post ID', 'rss-importer');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 != count($categories))
|
||
|
|
wp_create_categories($categories, $post_id);
|
||
|
|
_e('Done!', 'rss-importer');
|
||
|
|
}
|
||
|
|
echo '</li>';
|
||
|
|
}
|
||
|
|
|
||
|
|
echo '</ol>';
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function import() {
|
||
|
|
$file = wp_import_handle_upload();
|
||
|
|
if ( isset($file['error']) ) {
|
||
|
|
echo $file['error'];
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->file = $file['file'];
|
||
|
|
$this->get_posts();
|
||
|
|
$result = $this->import_posts();
|
||
|
|
if ( is_wp_error( $result ) )
|
||
|
|
return $result;
|
||
|
|
wp_import_cleanup($file['id']);
|
||
|
|
do_action('import_done', 'rss');
|
||
|
|
|
||
|
|
echo '<h3>';
|
||
|
|
printf(__('All done. <a href="%s">Have fun!</a>', 'rss-importer'), get_option('home'));
|
||
|
|
echo '</h3>';
|
||
|
|
}
|
||
|
|
|
||
|
|
function dispatch() {
|
||
|
|
if (empty ($_GET['step']))
|
||
|
|
$step = 0;
|
||
|
|
else
|
||
|
|
$step = (int) $_GET['step'];
|
||
|
|
|
||
|
|
$this->header();
|
||
|
|
|
||
|
|
switch ($step) {
|
||
|
|
case 0 :
|
||
|
|
$this->greet();
|
||
|
|
break;
|
||
|
|
case 1 :
|
||
|
|
check_admin_referer('import-upload');
|
||
|
|
$result = $this->import();
|
||
|
|
if ( is_wp_error( $result ) )
|
||
|
|
echo $result->get_error_message();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->footer();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$rss_import = new RSS_Import();
|
||
|
|
|
||
|
|
register_importer('rss', __('RSS', 'rss-importer'), __('Import posts from an RSS feed.', 'rss-importer'), array ($rss_import, 'dispatch'));
|
||
|
|
|
||
|
|
} // class_exists( 'WP_Importer' )
|
||
|
|
|
||
|
|
function rss_importer_init() {
|
||
|
|
load_plugin_textdomain( 'rss-importer', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
|
||
|
|
}
|
||
|
|
add_action( 'init', 'rss_importer_init' );
|