Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 232 insertions, 0 deletions

diff --git a/wp-admin/includes/import.php b/wp-admin/includes/import.php
new file mode 100644
index 0000000..87ee00e
--- /dev/null
+++ b/wp-admin/includes/import.php
@@ -0,0 +1,232 @@
+<?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 &amp; 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',
+		),
+	);
+}