233 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			233 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| /**
 | |
|  * WordPress Administration Importer API.
 | |
|  *
 | |
|  * @package WordPress
 | |
|  * @subpackage Administration
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * Retrieves the list of importers.
 | |
|  *
 | |
|  * @since 2.0.0
 | |
|  *
 | |
|  * @global array $wp_importers
 | |
|  * @return array
 | |
|  */
 | |
| function get_importers() {
 | |
| 	global $wp_importers;
 | |
| 	if ( is_array( $wp_importers ) ) {
 | |
| 		uasort( $wp_importers, '_usort_by_first_member' );
 | |
| 	}
 | |
| 	return $wp_importers;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Sorts a multidimensional array by first member of each top level member.
 | |
|  *
 | |
|  * Used by uasort() as a callback, should not be used directly.
 | |
|  *
 | |
|  * @since 2.9.0
 | |
|  * @access private
 | |
|  *
 | |
|  * @param array $a
 | |
|  * @param array $b
 | |
|  * @return int
 | |
|  */
 | |
| function _usort_by_first_member( $a, $b ) {
 | |
| 	return strnatcasecmp( $a[0], $b[0] );
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Registers importer for WordPress.
 | |
|  *
 | |
|  * @since 2.0.0
 | |
|  *
 | |
|  * @global array $wp_importers
 | |
|  *
 | |
|  * @param string   $id          Importer tag. Used to uniquely identify importer.
 | |
|  * @param string   $name        Importer name and title.
 | |
|  * @param string   $description Importer description.
 | |
|  * @param callable $callback    Callback to run.
 | |
|  * @return void|WP_Error Void on success. WP_Error when $callback is WP_Error.
 | |
|  */
 | |
| function register_importer( $id, $name, $description, $callback ) {
 | |
| 	global $wp_importers;
 | |
| 	if ( is_wp_error( $callback ) ) {
 | |
| 		return $callback;
 | |
| 	}
 | |
| 	$wp_importers[ $id ] = array( $name, $description, $callback );
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Cleanup importer.
 | |
|  *
 | |
|  * Removes attachment based on ID.
 | |
|  *
 | |
|  * @since 2.0.0
 | |
|  *
 | |
|  * @param string $id Importer ID.
 | |
|  */
 | |
| function wp_import_cleanup( $id ) {
 | |
| 	wp_delete_attachment( $id );
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Handles importer uploading and adds attachment.
 | |
|  *
 | |
|  * @since 2.0.0
 | |
|  *
 | |
|  * @return array Uploaded file's details on success, error message on failure.
 | |
|  */
 | |
| function wp_import_handle_upload() {
 | |
| 	if ( ! isset( $_FILES['import'] ) ) {
 | |
| 		return array(
 | |
| 			'error' => sprintf(
 | |
| 				/* translators: 1: php.ini, 2: post_max_size, 3: upload_max_filesize */
 | |
| 				__( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your %1$s file or by %2$s being defined as smaller than %3$s in %1$s.' ),
 | |
| 				'php.ini',
 | |
| 				'post_max_size',
 | |
| 				'upload_max_filesize'
 | |
| 			),
 | |
| 		);
 | |
| 	}
 | |
| 
 | |
| 	$overrides                 = array(
 | |
| 		'test_form' => false,
 | |
| 		'test_type' => false,
 | |
| 	);
 | |
| 	$_FILES['import']['name'] .= '.txt';
 | |
| 	$upload                    = wp_handle_upload( $_FILES['import'], $overrides );
 | |
| 
 | |
| 	if ( isset( $upload['error'] ) ) {
 | |
| 		return $upload;
 | |
| 	}
 | |
| 
 | |
| 	// Construct the attachment array.
 | |
| 	$attachment = array(
 | |
| 		'post_title'     => wp_basename( $upload['file'] ),
 | |
| 		'post_content'   => $upload['url'],
 | |
| 		'post_mime_type' => $upload['type'],
 | |
| 		'guid'           => $upload['url'],
 | |
| 		'context'        => 'import',
 | |
| 		'post_status'    => 'private',
 | |
| 	);
 | |
| 
 | |
| 	// Save the data.
 | |
| 	$id = wp_insert_attachment( $attachment, $upload['file'] );
 | |
| 
 | |
| 	/*
 | |
| 	 * Schedule a cleanup for one day from now in case of failed
 | |
| 	 * import or missing wp_import_cleanup() call.
 | |
| 	 */
 | |
| 	wp_schedule_single_event( time() + DAY_IN_SECONDS, 'importer_scheduled_cleanup', array( $id ) );
 | |
| 
 | |
| 	return array(
 | |
| 		'file' => $upload['file'],
 | |
| 		'id'   => $id,
 | |
| 	);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Returns a list from WordPress.org of popular importer plugins.
 | |
|  *
 | |
|  * @since 3.5.0
 | |
|  *
 | |
|  * @return array Importers with metadata for each.
 | |
|  */
 | |
| function wp_get_popular_importers() {
 | |
| 	// Include an unmodified $wp_version.
 | |
| 	require ABSPATH . WPINC . '/version.php';
 | |
| 
 | |
| 	$locale            = get_user_locale();
 | |
| 	$cache_key         = 'popular_importers_' . md5( $locale . $wp_version );
 | |
| 	$popular_importers = get_site_transient( $cache_key );
 | |
| 
 | |
| 	if ( ! $popular_importers ) {
 | |
| 		$url     = add_query_arg(
 | |
| 			array(
 | |
| 				'locale'  => $locale,
 | |
| 				'version' => $wp_version,
 | |
| 			),
 | |
| 			'http://api.wordpress.org/core/importers/1.1/'
 | |
| 		);
 | |
| 		$options = array( 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ) );
 | |
| 
 | |
| 		if ( wp_http_supports( array( 'ssl' ) ) ) {
 | |
| 			$url = set_url_scheme( $url, 'https' );
 | |
| 		}
 | |
| 
 | |
| 		$response          = wp_remote_get( $url, $options );
 | |
| 		$popular_importers = json_decode( wp_remote_retrieve_body( $response ), true );
 | |
| 
 | |
| 		if ( is_array( $popular_importers ) ) {
 | |
| 			set_site_transient( $cache_key, $popular_importers, 2 * DAY_IN_SECONDS );
 | |
| 		} else {
 | |
| 			$popular_importers = false;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ( is_array( $popular_importers ) ) {
 | |
| 		// If the data was received as translated, return it as-is.
 | |
| 		if ( $popular_importers['translated'] ) {
 | |
| 			return $popular_importers['importers'];
 | |
| 		}
 | |
| 
 | |
| 		foreach ( $popular_importers['importers'] as &$importer ) {
 | |
| 			// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText
 | |
| 			$importer['description'] = translate( $importer['description'] );
 | |
| 			if ( 'WordPress' !== $importer['name'] ) {
 | |
| 				// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText
 | |
| 				$importer['name'] = translate( $importer['name'] );
 | |
| 			}
 | |
| 		}
 | |
| 		return $popular_importers['importers'];
 | |
| 	}
 | |
| 
 | |
| 	return array(
 | |
| 		// slug => name, description, plugin slug, and register_importer() slug.
 | |
| 		'blogger'     => array(
 | |
| 			'name'        => __( 'Blogger' ),
 | |
| 			'description' => __( 'Import posts, comments, and users from a Blogger blog.' ),
 | |
| 			'plugin-slug' => 'blogger-importer',
 | |
| 			'importer-id' => 'blogger',
 | |
| 		),
 | |
| 		'wpcat2tag'   => array(
 | |
| 			'name'        => __( 'Categories and Tags Converter' ),
 | |
| 			'description' => __( 'Convert existing categories to tags or tags to categories, selectively.' ),
 | |
| 			'plugin-slug' => 'wpcat2tag-importer',
 | |
| 			'importer-id' => 'wp-cat2tag',
 | |
| 		),
 | |
| 		'livejournal' => array(
 | |
| 			'name'        => __( 'LiveJournal' ),
 | |
| 			'description' => __( 'Import posts from LiveJournal using their API.' ),
 | |
| 			'plugin-slug' => 'livejournal-importer',
 | |
| 			'importer-id' => 'livejournal',
 | |
| 		),
 | |
| 		'movabletype' => array(
 | |
| 			'name'        => __( 'Movable Type and TypePad' ),
 | |
| 			'description' => __( 'Import posts and comments from a Movable Type or TypePad blog.' ),
 | |
| 			'plugin-slug' => 'movabletype-importer',
 | |
| 			'importer-id' => 'mt',
 | |
| 		),
 | |
| 		'rss'         => array(
 | |
| 			'name'        => __( 'RSS' ),
 | |
| 			'description' => __( 'Import posts from an RSS feed.' ),
 | |
| 			'plugin-slug' => 'rss-importer',
 | |
| 			'importer-id' => 'rss',
 | |
| 		),
 | |
| 		'tumblr'      => array(
 | |
| 			'name'        => __( 'Tumblr' ),
 | |
| 			'description' => __( 'Import posts & media from Tumblr using their API.' ),
 | |
| 			'plugin-slug' => 'tumblr-importer',
 | |
| 			'importer-id' => 'tumblr',
 | |
| 		),
 | |
| 		'wordpress'   => array(
 | |
| 			'name'        => 'WordPress',
 | |
| 			'description' => __( 'Import posts, pages, comments, custom fields, categories, and tags from a WordPress export file.' ),
 | |
| 			'plugin-slug' => 'wordpress-importer',
 | |
| 			'importer-id' => 'wordpress',
 | |
| 		),
 | |
| 	);
 | |
| }
 |