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<?php
/**
* WordPress Importer class for managing the import process of a WXR file
*
* @package woodmart
* @subpackage Importer
*/
namespace WOODMART_CORE\Importer;
use WP_Importer;
use WP_Error;
use WOODMART_CORE\Importer\Parser\WXR_Parser;
/**
* WordPress importer class.
*/
class Import extends WP_Importer {
/**
* Maximum WXR version supported by this importer.
*
* @var float
*/
public $max_wxr_version = 1.2;
/**
* ID of the attachment post for the uploaded WXR file
*
* @var int
*/
public $id;
/**
* Data parsed from the WXR file, used for processing and importing.
* Version of the WXR file being imported, e.g. 1.0, 1.1, 1.2
*
* @var string
*/
public $version;
/**
* Data parsed from the WXR file, used for processing and importing.
* This atribute for save authors information.
*
* @var array
*/
public $authors = array();
/**
* Data parsed from the WXR file, used for processing and importing.
* This atribute for save posts information.
*
* @var array
*/
public $posts = array();
/**
* Data parsed from the WXR file, used for processing and importing.
* This atribute for save terms information.
*
* @var array
*/
public $terms = array();
/**
* Data parsed from the WXR file, used for processing and importing.
* This atribute for save categories information.
*
* @var array
*/
public $categories = array();
/**
* Data parsed from the WXR file, used for processing and importing.
* This atribute for save tags information.
*
* @var array
*/
public $tags = array();
/**
* Data parsed from the WXR file, used for processing and importing.
* This atribute for save base URL of the source site information.
*
* @var string
*/
public $base_url = '';
/**
* Stores import mapping and metadata required after the core import pass.
*
* Used to keep old-to-new IDs for posts and terms, including menu items,
* and extra flags (for example, imported builder data type). At the end
* of import this structure is persisted to wd_imported_data_{version}.
*
* @var array
*/
public $wd_data = array();
/**
* Whether to download attachments using the CDN URL if the original source URL is not accessible.
*
* @var bool
*/
public $wd_download_by_cdn = false;
/**
* Mapping of source author IDs to local user IDs created or assigned during import.
*
* @var array
*/
public $processed_authors = array();
/**
* Mapping of source author logins to local user IDs.
*
* @var array
*/
public $author_mapping = array();
/**
* Mapping of source term IDs to local term IDs for all taxonomies.
*
* @var array
*/
public $processed_terms = array();
/**
* Mapping of source post IDs to local post IDs.
*
* @var array
*/
public $processed_posts = array();
/**
* Stores posts whose parent post has not been imported yet.
*
* Key is source child post ID, value is source parent post ID.
*
* @var array
*/
public $post_orphans = array();
/**
* Mapping of source nav menu item post IDs to local nav menu item IDs.
*
* @var array
*/
public $processed_menu_items = array();
/**
* Stores menu items whose parent menu item has not been imported yet.
*
* Key is source child menu item ID, value is source parent menu item ID.
*
* @var array
*/
public $menu_item_orphans = array();
/**
* Menu items deferred because the referenced object is not available yet.
*
* @var array
*/
public $missing_menu_items = array();
/**
* Whether to fetch attachments during import. Set in import options and used during post processing to determine whether to fetch attachments.
*
* @var bool
*/
public $fetch_attachments = false;
/**
* Mapping of old attachment URLs to new attachment URLs for imported attachments. Used for backfilling attachment URLs after import.
*
* @var array
*/
public $url_remap = array();
/**
* Mapping of old attachment IDs to new attachment IDs for imported attachments. Used for remapping featured images after import.
*
* @var array
*/
public $featured_images = array();
/**
* Constructor.
*/
public function __construct() {}
/**
* Registered callback function for the WordPress Importer
*
* Manages the three separate stages of the WXR import process
*/
public function dispatch() {
$this->header();
$step = empty( $_GET['step'] ) ? 0 : (int) $_GET['step'];
switch ( $step ) {
case 0:
$this->greet();
break;
case 1:
check_admin_referer( 'import-upload' );
if ( $this->handle_upload() ) {
$this->import_options();
}
break;
case 2:
check_admin_referer( 'import-wordpress' );
$this->fetch_attachments = ( ! empty( $_POST['fetch_attachments'] ) && $this->allow_fetch_attachments() );
$this->id = isset( $_POST['import_id'] ) ? (int) $_POST['import_id'] : 0;
$file = get_attached_file( $this->id );
set_time_limit( 0 );
$this->import( $file );
break;
}
$this->footer();
}
/**
* The main controller for the actual import stage.
*
* @param string $file Path to the WXR file for importing.
* @param string|false $version Version of the WXR file being imported, e.g. 1.0, 1.1, 1.2. Optional, used for storing import metadata in wd_imported_data_{version}.
*/
public function import( $file, $version = false ) {
add_filter( 'import_post_meta_key', array( $this, 'is_valid_meta_key' ) );
add_filter( 'http_request_timeout', array( &$this, 'bump_request_timeout' ) );
$this->import_start( $file );
$this->get_author_mapping();
wp_suspend_cache_invalidation( true );
$this->process_categories();
$this->process_tags();
$this->process_terms();
$this->process_posts();
wp_suspend_cache_invalidation( false );
// update incorrect/missing information in the DB
$this->backfill_parents();
$this->backfill_attachment_urls();
$this->remap_featured_images();
$this->import_end();
// XTemos.
$previously_imported_data = get_option( 'wd_imported_data_' . $version );
$data = $this->wd_data;
if ( $previously_imported_data ) {
$data = array_replace_recursive( $data, $previously_imported_data );
}
update_option( 'wd_imported_data_' . $version, $data );
// XTemos.
}
/**
* Parses the WXR file and prepares us for the task of processing parsed data
*
* @param string $file Path to the WXR file for importing.
*/
public function import_start( $file ) {
if ( ! is_file( $file ) ) {
echo '<p><strong>' . esc_html__( 'Sorry, there has been an error.', 'wordpress-importer' ) . '</strong><br />';
echo esc_html__( 'The file does not exist, please try again.', 'wordpress-importer' ) . '</p>';
$this->footer();
die();
}
$import_data = $this->parse( $file );
if ( is_wp_error( $import_data ) ) {
echo '<p><strong>' . esc_html__( 'Sorry, there has been an error.', 'wordpress-importer' ) . '</strong><br />';
echo esc_html( $import_data->get_error_message() ) . '</p>';
$this->footer();
die();
}
$this->version = $import_data['version'];
$this->get_authors_from_import( $import_data );
$this->posts = $import_data['posts'];
$this->terms = $import_data['terms'];
$this->categories = $import_data['categories'];
$this->tags = $import_data['tags'];
$this->base_url = esc_url( $import_data['base_url'] );
wp_defer_term_counting( true );
wp_defer_comment_counting( true );
do_action( 'import_start' );
}
/**
* Performs post-import cleanup of files and the cache
*/
public function import_end() {
wp_import_cleanup( $this->id );
wp_cache_flush();
foreach ( get_taxonomies() as $tax ) {
delete_option( "{$tax}_children" );
_get_term_hierarchy( $tax );
}
wp_defer_term_counting( false );
wp_defer_comment_counting( false );
echo '<p>' . esc_html__( 'All done.', 'wordpress-importer' ) . ' <a href="' . esc_url( admin_url() ) . '">' . esc_html__( 'Have fun!', 'wordpress-importer' ) . '</a></p>';
echo '<p>' . esc_html__( 'Remember to update the passwords and roles of imported users.', 'wordpress-importer' ) . '</p>';
do_action( 'import_end' );
}
/**
* Handles the WXR upload and initial parsing of the file to prepare for
* displaying author import options
*
* @return bool False if error uploading or invalid file, true otherwise
*/
public function handle_upload() {
$file = wp_import_handle_upload();
if ( isset( $file['error'] ) ) {
echo '<p><strong>' . esc_html__( 'Sorry, there has been an error.', 'wordpress-importer' ) . '</strong><br />';
echo esc_html( $file['error'] ) . '</p>';
return false;
} elseif ( ! file_exists( $file['file'] ) ) {
echo '<p><strong>' . esc_html__( 'Sorry, there has been an error.', 'wordpress-importer' ) . '</strong><br />';
printf(
wp_kses_post(
// translators: %s is the path to the uploaded WXR file that could not be found.
__( 'The export file could not be found at <code>%s</code>. It is likely that this was caused by a permissions problem.', 'wordpress-importer' )
),
esc_html( $file['file'] )
);
echo '</p>';
return false;
}
$this->id = (int) $file['id'];
$import_data = $this->parse( $file['file'] );
if ( is_wp_error( $import_data ) ) {
echo '<p><strong>' . esc_html__( 'Sorry, there has been an error.', 'wordpress-importer' ) . '</strong><br />';
echo esc_html( $import_data->get_error_message() ) . '</p>';
return false;
}
$this->version = $import_data['version'];
if ( (float) $this->version > (float) $this->max_wxr_version ) {
echo '<div class="error"><p><strong>';
printf(
// translators: %s is the version of the uploaded WXR file that is not supported by this importer.
esc_html__( 'This WXR file (version %s) may not be supported by this version of the importer. Please consider updating.', 'wordpress-importer' ),
esc_html( $import_data['version'] )
);
echo '</strong></p></div>';
}
$this->get_authors_from_import( $import_data );
return true;
}
/**
* Retrieve authors from parsed WXR data
*
* Uses the provided author information from WXR 1.1 files
* or extracts info from each post for WXR 1.0 files
*
* @param array $import_data Data returned by a WXR parser.
*/
public function get_authors_from_import( $import_data ) {
if ( ! empty( $import_data['authors'] ) ) {
$this->authors = $import_data['authors'];
// no author information, grab it from the posts
} else {
foreach ( $import_data['posts'] as $post ) {
$login = sanitize_user( $post['post_author'], true );
if ( empty( $login ) ) {
printf(
// translators: %s is the author name from the WXR file that could not be imported.
esc_html__( 'Failed to import author %s. Their posts will be attributed to the current user.', 'wordpress-importer' ),
esc_html( $post['post_author'] )
);
echo '<br />';
continue;
}
if ( ! isset( $this->authors[ $login ] ) ) {
$this->authors[ $login ] = array(
'author_login' => $login,
'author_display_name' => $post['post_author'],
);
}
}
}
}
/**
* Display pre-import options, author importing/mapping and option to
* fetch attachments
*/
public function import_options() {
$j = 0;
?>
<form action="<?php echo esc_url( admin_url( 'admin.php?import=wordpress&step=2' ) ); ?>" method="post">
<?php wp_nonce_field( 'import-wordpress' ); ?>
<input type="hidden" name="import_id" value="<?php echo esc_attr( $this->id ); ?>" />
<?php if ( ! empty( $this->authors ) ) : ?>
<h3><?php esc_html_e( 'Assign Authors', 'wordpress-importer' ); ?></h3>
<p><?php esc_html_e( 'To make it simpler for you to edit and save the imported content, you may want to reassign the author of the imported item to an existing user of this site, such as your primary administrator account.', 'wordpress-importer' ); ?></p>
<?php if ( $this->allow_create_users() ) : ?>
<p>
<?php
printf(
// translators: %s is the default user role for new users created during import, as set in WordPress settings.
esc_html__( 'If a new user is created by WordPress, a new password will be randomly generated and the new user’s role will be set as %s. Manually changing the new user’s details will be necessary.', 'wordpress-importer' ),
esc_html( get_option( 'default_role' ) )
);
?>
</p>
<?php endif; ?>
<ol id="authors">
<?php foreach ( $this->authors as $author ) : ?>
<li><?php $this->author_select( $j++, $author ); ?></li>
<?php endforeach; ?>
</ol>
<?php endif; ?>
<?php if ( $this->allow_fetch_attachments() ) : ?>
<h3><?php esc_html_e( 'Import Attachments', 'wordpress-importer' ); ?></h3>
<p>
<input type="checkbox" value="1" name="fetch_attachments" id="import-attachments" />
<label for="import-attachments"><?php esc_html_e( 'Download and import file attachments', 'wordpress-importer' ); ?></label>
</p>
<?php endif; ?>
<p class="submit"><input type="submit" class="button" value="<?php esc_attr_e( 'Submit', 'wordpress-importer' ); ?>" /></p>
</form>
<?php
}
/**
* Display import options for an individual author. That is, either create
* a new user based on import info or map to an existing user
*
* @param int $n Index for each author in the form.
* @param array $author Author information, e.g. login, display name, email.
*/
public function author_select( $n, $author ) {
esc_html_e( 'Import author:', 'wordpress-importer' );
echo ' <strong>' . esc_html( $author['author_display_name'] );
if ( '1.0' != $this->version ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual
echo ' (' . esc_html( $author['author_login'] ) . ')';
}
echo '</strong><br />';
if ( '1.0' != $this->version ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual
echo '<div style="margin-left:18px">';
}
$create_users = $this->allow_create_users();
if ( $create_users ) {
echo '<label for="user_new_' . absint( $n ) . '">';
if ( '1.0' != $this->version ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual
esc_html_e( 'or create new user with login name:', 'wordpress-importer' );
$value = '';
} else {
esc_html_e( 'as a new user:', 'wordpress-importer' );
$value = esc_attr( sanitize_user( $author['author_login'], true ) );
}
echo '</label>';
echo ' <input type="text" id="user_new_' . absint( $n ) . '" name="user_new[' . absint( $n ) . ']" value="' . esc_attr( $value ) . '" /><br />';
}
echo '<label for="imported_authors_' . absint( $n ) . '">';
if ( ! $create_users && '1.0' == $this->version ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
esc_html_e( 'assign posts to an existing user:', 'wordpress-importer' );
} else {
esc_html_e( 'or assign posts to an existing user:', 'wordpress-importer' );
}
echo '</label>';
echo ' ' . wp_dropdown_users(
array(
'name' => 'user_map[' . absint( $n ) . ']',
'id' => 'imported_authors_' . absint( $n ),
'multi' => true,
'show_option_all' => __( '- Select -', 'wordpress-importer' ),
'show' => 'display_name_with_login',
'echo' => 0,
)
);
echo '<input type="hidden" name="imported_authors[' . absint( $n ) . ']" value="' . esc_attr( $author['author_login'] ) . '" />';
if ( '1.0' != $this->version ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual
echo '</div>';
}
}
/**
* Map old author logins to local user IDs based on decisions made
* in import options form. Can map to an existing user, create a new user
* or falls back to the current user in case of error with either of the previous
*/
public function get_author_mapping() {
if ( ! isset( $_POST['imported_authors'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
return;
}
$create_users = $this->allow_create_users();
foreach ( (array) $_POST['imported_authors'] as $i => $old_login ) { // phpcs:ignore WordPress.Security
// Multisite adds strtolower to sanitize_user. Need to sanitize here to stop breakage in process_posts.
$santized_old_login = sanitize_user( $old_login, true );
$old_id = isset( $this->authors[ $old_login ]['author_id'] ) ? intval( $this->authors[ $old_login ]['author_id'] ) : false;
$user_id = '';
if ( ! empty( $_POST['user_map'][ $i ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
$user = get_userdata( intval( $_POST['user_map'][ $i ] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( isset( $user->ID ) ) {
if ( $old_id ) {
$this->processed_authors[ $old_id ] = $user->ID;
}
$this->author_mapping[ $santized_old_login ] = $user->ID;
}
} elseif ( $create_users ) {
if ( ! empty( $_POST['user_new'][ $i ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
$user_id = wp_create_user( $_POST['user_new'][ $i ], wp_generate_password() ); // phpcs:ignore WordPress.Security
} elseif ( '1.0' != $this->version ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual
$user_data = array(
'user_login' => $old_login,
'user_pass' => wp_generate_password(),
'user_email' => isset( $this->authors[ $old_login ]['author_email'] ) ? $this->authors[ $old_login ]['author_email'] : '',
'display_name' => $this->authors[ $old_login ]['author_display_name'],
'first_name' => isset( $this->authors[ $old_login ]['author_first_name'] ) ? $this->authors[ $old_login ]['author_first_name'] : '',
'last_name' => isset( $this->authors[ $old_login ]['author_last_name'] ) ? $this->authors[ $old_login ]['author_last_name'] : '',
);
$user_id = wp_insert_user( $user_data );
}
if ( ! is_wp_error( $user_id ) ) {
if ( $old_id ) {
$this->processed_authors[ $old_id ] = $user_id;
}
$this->author_mapping[ $santized_old_login ] = $user_id;
} else {
// translators: %s is the author display name from the WXR file that could not be imported as a new user.
printf( esc_html__( 'Failed to create new user for %s. Their posts will be attributed to the current user.', 'wordpress-importer' ), esc_html( $this->authors[ $old_login ]['author_display_name'] ) );
if ( defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo ' ' . $user_id->get_error_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
echo '<br />';
}
}
// failsafe: if the user_id was invalid, default to the current user
if ( ! isset( $this->author_mapping[ $santized_old_login ] ) ) {
if ( $old_id ) {
$this->processed_authors[ $old_id ] = (int) get_current_user_id();
}
$this->author_mapping[ $santized_old_login ] = (int) get_current_user_id();
}
}
}
/**
* Create new categories based on import information
*
* Doesn't create a new category if its slug already exists
*/
public function process_categories() {
$this->categories = apply_filters( 'wp_import_categories', $this->categories );
if ( empty( $this->categories ) ) {
return;
}
foreach ( $this->categories as $cat ) {
// if the category already exists leave it alone
$term_id = term_exists( $cat['category_nicename'], 'category' );
if ( $term_id ) {
if ( is_array( $term_id ) ) {
$term_id = $term_id['term_id'];
}
if ( isset( $cat['term_id'] ) ) {
$this->processed_terms[ intval( $cat['term_id'] ) ] = (int) $term_id;
}
// XTemos.
$this->wd_data['term']['category'][ $term_id ] = array(
'new' => $term_id,
'old' => $term_id,
'type' => 'category',
);
// XTemos.
continue;
}
$parent = empty( $cat['category_parent'] ) ? 0 : category_exists( $cat['category_parent'] );
$description = isset( $cat['category_description'] ) ? $cat['category_description'] : '';
$data = array(
'category_nicename' => $cat['category_nicename'],
'category_parent' => $parent,
'cat_name' => wp_slash( $cat['cat_name'] ),
'category_description' => wp_slash( $description ),
);
$id = wp_insert_category( $data );
if ( ! is_wp_error( $id ) && $id > 0 ) {
if ( isset( $cat['term_id'] ) ) {
$this->processed_terms[ intval( $cat['term_id'] ) ] = $id;
}
} else {
printf(
// translators: %s is the category nicename from the WXR file that could not be imported.
esc_html__( 'Failed to import category %s', 'wordpress-importer' ),
esc_html( $cat['category_nicename'] )
);
if ( defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo ': ' . $id->get_error_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
echo '<br />';
continue;
}
// XTemos.
$this->wd_data['term']['category'][ $id ] = array(
'new' => $id,
'old' => $cat['term_id'],
'type' => 'category',
);
// XTemos.
$this->process_termmeta( $cat, $id );
}
unset( $this->categories );
}
/**
* Create new post tags based on import information
*
* Doesn't create a tag if its slug already exists
*/
public function process_tags() {
$this->tags = apply_filters( 'wp_import_tags', $this->tags );
if ( empty( $this->tags ) ) {
return;
}
foreach ( $this->tags as $tag ) {
// if the tag already exists leave it alone
$term_id = term_exists( $tag['tag_slug'], 'post_tag' );
if ( $term_id ) {
if ( is_array( $term_id ) ) {
$term_id = $term_id['term_id'];
}
if ( isset( $tag['term_id'] ) ) {
$this->processed_terms[ intval( $tag['term_id'] ) ] = (int) $term_id;
}
continue;
}
$description = isset( $tag['tag_description'] ) ? $tag['tag_description'] : '';
$args = array(
'slug' => $tag['tag_slug'],
'description' => wp_slash( $description ),
);
$id = wp_insert_term( wp_slash( $tag['tag_name'] ), 'post_tag', $args );
if ( ! is_wp_error( $id ) ) {
if ( isset( $tag['term_id'] ) ) {
$this->processed_terms[ intval( $tag['term_id'] ) ] = $id['term_id'];
}
} else {
printf(
// translators: %s is the tag name from the WXR file that could not be imported.
esc_html__( 'Failed to import post tag %s', 'wordpress-importer' ),
esc_html( $tag['tag_name'] )
);
if ( defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo ': ' . $id->get_error_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
echo '<br />';
continue;
}
$this->process_termmeta( $tag, $id['term_id'] );
}
unset( $this->tags );
}
/**
* Create new terms based on import information
*
* Doesn't create a term its slug already exists
*/
public function process_terms() {
$this->terms = apply_filters( 'wp_import_terms', $this->terms );
if ( empty( $this->terms ) ) {
return;
}
foreach ( $this->terms as $term ) {
// if the term already exists in the correct taxonomy leave it alone
$term_id = term_exists( $term['slug'], $term['term_taxonomy'] );
if ( $term_id ) {
if ( is_array( $term_id ) ) {
$term_id = $term_id['term_id'];
}
if ( isset( $term['term_id'] ) ) {
$this->processed_terms[ intval( $term['term_id'] ) ] = (int) $term_id;
}
// XTemos.
$this->wd_data['term'][ $term['term_taxonomy'] ][ $term_id ] = array(
'new' => $term_id,
'old' => $term_id,
'type' => $term['term_taxonomy'],
);
// XTemos.
continue;
}
if ( empty( $term['term_parent'] ) ) {
$parent = 0;
} else {
$parent = term_exists( $term['term_parent'], $term['term_taxonomy'] );
if ( is_array( $parent ) ) {
$parent = $parent['term_id'];
}
}
$description = isset( $term['term_description'] ) ? $term['term_description'] : '';
$args = array(
'slug' => $term['slug'],
'description' => wp_slash( $description ),
'parent' => (int) $parent,
);
$id = wp_insert_term( wp_slash( $term['term_name'] ), $term['term_taxonomy'], $args );
if ( ! is_wp_error( $id ) ) {
if ( isset( $term['term_id'] ) ) {
$this->processed_terms[ intval( $term['term_id'] ) ] = $id['term_id'];
}
} else {
printf(
// translators: 1 is the term taxonomy, 2 is the term name, both from the WXR file that could not be imported.
esc_html__( 'Failed to import %1$s %2$s', 'wordpress-importer' ),
esc_html( $term['term_taxonomy'] ),
esc_html( $term['term_name'] )
);
if ( defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo ': ' . $id->get_error_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
echo '<br />';
continue;
}
// XTemos.
$this->wd_data['term'][ $term['term_taxonomy'] ][ $term['term_id'] ] = array(
'new' => $id['term_id'],
'old' => $term['term_id'],
'type' => $term['term_taxonomy'],
);
// XTemos.
$this->process_termmeta( $term, $id['term_id'] );
}
unset( $this->terms );
}
/**
* Add metadata to imported term.
*
* @since 0.6.2
*
* @param array $term Term data from WXR import.
* @param int $term_id ID of the newly created term.
*/
protected function process_termmeta( $term, $term_id ) {
if ( ! function_exists( 'add_term_meta' ) ) {
return;
}
if ( ! isset( $term['termmeta'] ) ) {
$term['termmeta'] = array();
}
/**
* Filters the metadata attached to an imported term.
*
* @since 0.6.2
*
* @param array $termmeta Array of term meta.
* @param int $term_id ID of the newly created term.
* @param array $term Term data from the WXR import.
*/
$term['termmeta'] = apply_filters( 'wp_import_term_meta', $term['termmeta'], $term_id, $term );
if ( empty( $term['termmeta'] ) ) {
return;
}
foreach ( $term['termmeta'] as $meta ) {
/**
* Filters the meta key for an imported piece of term meta.
*
* @since 0.6.2
*
* @param string $meta_key Meta key.
* @param int $term_id ID of the newly created term.
* @param array $term Term data from the WXR import.
*/
$key = apply_filters( 'import_term_meta_key', $meta['key'], $term_id, $term );
if ( ! $key ) {
continue;
}
// Export gets meta straight from the DB so could have a serialized string
$value = maybe_unserialize( $meta['value'] );
add_term_meta( $term_id, wp_slash( $key ), wp_slash( $value ) );
/**
* Fires after term meta is imported.
*
* @since 0.6.2
*
* @param int $term_id ID of the newly created term.
* @param string $key Meta key.
* @param mixed $value Meta value.
*/
do_action( 'import_term_meta', $term_id, $key, $value );
}
}
/**
* Create new posts based on import information
*
* Posts marked as having a parent which doesn't exist will become top level items.
* Doesn't create a new post if: the post type doesn't exist, the given post ID
* is already noted as imported or a post with the same title and date already exists.
* Note that new/updated terms, comments and meta are imported for the last of the above.
*/
public function process_posts() {
$this->posts = apply_filters( 'wp_import_posts', $this->posts );
foreach ( $this->posts as $post ) {
$post = apply_filters( 'wp_import_post_data_raw', $post );
if ( ! post_type_exists( $post['post_type'] ) ) {
printf(
// translators: 1 is the post title, 2 is the post type, both from the WXR file that could not be imported.
esc_html__( 'Failed to import “%1$s”: Invalid post type %2$s', 'wordpress-importer' ),
esc_html( $post['post_title'] ),
esc_html( $post['post_type'] )
);
echo '<br />';
do_action( 'wp_import_post_exists', $post );
continue;
}
if ( isset( $this->processed_posts[ $post['post_id'] ] ) && ! empty( $post['post_id'] ) ) {
continue;
}
if ( 'auto-draft' === $post['status'] ) {
continue;
}
if ( 'nav_menu_item' === $post['post_type'] ) {
$this->process_menu_item( $post );
continue;
}
$post_type_object = get_post_type_object( $post['post_type'] );
$post_exists = post_exists( $post['post_title'], '', $post['post_date'] );
/**
* Filter ID of the existing post corresponding to post currently importing.
*
* Return 0 to force the post to be imported. Filter the ID to be something else
* to override which existing post is mapped to the imported post.
*
* @see post_exists()
* @since 0.6.2
*
* @param int $post_exists Post ID, or 0 if post did not exist.
* @param array $post The post array to be inserted.
*/
$post_exists = apply_filters( 'wp_import_existing_post', $post_exists, $post );
if ( $post_exists && get_post_type( $post_exists ) == $post['post_type'] ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
$comment_post_id = $post_exists;
$post_id = $post_exists;
$this->processed_posts[ intval( $post['post_id'] ) ] = intval( $post_exists );
} else {
$post_parent = (int) $post['post_parent'];
if ( $post_parent ) {
// if we already know the parent, map it to the new local ID
if ( isset( $this->processed_posts[ $post_parent ] ) ) {
$post_parent = $this->processed_posts[ $post_parent ];
// otherwise record the parent for later
} else {
$this->post_orphans[ intval( $post['post_id'] ) ] = $post_parent;
$post_parent = 0;
}
}
// Map the post author.
$author = sanitize_user( $post['post_author'], true );
if ( isset( $this->author_mapping[ $author ] ) ) {
$author = $this->author_mapping[ $author ];
} else {
$author = (int) get_current_user_id();
}
$postdata = array(
'import_id' => $post['post_id'],
'post_author' => $author,
'post_date' => $post['post_date'],
'post_date_gmt' => $post['post_date_gmt'],
'post_content' => $post['post_content'],
'post_excerpt' => $post['post_excerpt'],
'post_title' => $post['post_title'],
'post_status' => $post['status'],
'post_name' => $post['post_name'],
'comment_status' => $post['comment_status'],
'ping_status' => $post['ping_status'],
'guid' => $post['guid'],
'post_parent' => $post_parent,
'menu_order' => $post['menu_order'],
'post_type' => $post['post_type'],
'post_password' => $post['post_password'],
);
$original_post_id = $post['post_id'];
$postdata = apply_filters( 'wp_import_post_data_processed', $postdata, $post );
$postdata = wp_slash( $postdata );
if ( 'attachment' === $postdata['post_type'] ) {
$remote_url = ! empty( $post['attachment_url'] ) ? $post['attachment_url'] : $post['guid'];
// try to use _wp_attached file for upload folder placement to ensure the same location as the export site
// e.g. location is 2003/05/image.jpg but the attachment post_date is 2010/09, see media_handle_upload()
$postdata['upload_date'] = $post['post_date'];
if ( isset( $post['postmeta'] ) ) {
foreach ( $post['postmeta'] as $meta ) {
if ( '_wp_attached_file' === $meta['key'] ) {
if ( preg_match( '%^[0-9]{4}/[0-9]{2}%', $meta['value'], $matches ) ) {
$postdata['upload_date'] = $matches[0];
}
break;
}
}
}
$post_id = $this->process_attachment( $postdata, $remote_url );
$comment_post_id = $post_id;
} else {
$post_id = wp_insert_post( $postdata, true );
$comment_post_id = $post_id;
do_action( 'wp_import_insert_post', $post_id, $original_post_id, $postdata, $post );
}
if ( is_wp_error( $post_id ) ) {
printf(
// translators: 1 is the post type, 2 is the post title, both from the WXR file that could not be imported.
esc_html__( 'Failed to import %1$s “%2$s”', 'wordpress-importer' ),
esc_html( $post_type_object->labels->singular_name ),
esc_html( $post['post_title'] )
);
if ( defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo ': ' . $post_id->get_error_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
echo '<br />';
continue;
}
if ( 1 == $post['is_sticky'] ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
stick_post( $post_id );
}
}
// XTemos.
$this->wd_data['all_posts'][ $post['post_id'] ] = array(
'old' => $post['post_id'],
'new' => $post_id,
'post_type' => $post['post_type'],
);
$this->wd_data[ $post['post_type'] ][ $post['post_id'] ] = array(
'old' => $post['post_id'],
'new' => $post_id,
'post_type' => $post['post_type'],
);
// XTemos.
// map pre-import ID to local ID
$this->processed_posts[ intval( $post['post_id'] ) ] = (int) $post_id;
if ( ! isset( $post['terms'] ) ) {
$post['terms'] = array();
}
$post['terms'] = apply_filters( 'wp_import_post_terms', $post['terms'], $post_id, $post );
// add categories, tags and other terms
if ( ! empty( $post['terms'] ) ) {
$terms_to_set = array();
foreach ( $post['terms'] as $term ) {
// back compat with WXR 1.0 map 'tag' to 'post_tag'
$taxonomy = ( 'tag' === $term['domain'] ) ? 'post_tag' : $term['domain'];
$term_exists = term_exists( $term['slug'], $taxonomy );
$term_id = is_array( $term_exists ) ? $term_exists['term_id'] : $term_exists;
if ( ! $term_id ) {
$t = wp_insert_term( $term['name'], $taxonomy, array( 'slug' => $term['slug'] ) );
if ( ! is_wp_error( $t ) ) {
$term_id = $t['term_id'];
do_action( 'wp_import_insert_term', $t, $term, $post_id, $post );
} else {
printf(
// translators: 1 is the term taxonomy, 2 is the term name, both from the WXR file that could not be imported.
esc_html__( 'Failed to import %1$s %2$s', 'wordpress-importer' ),
esc_html( $taxonomy ),
esc_html( $term['name'] )
);
if ( defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo ': ' . $t->get_error_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
echo '<br />';
do_action( 'wp_import_insert_term_failed', $t, $term, $post_id, $post );
continue;
}
}
$terms_to_set[ $taxonomy ][] = intval( $term_id );
}
foreach ( $terms_to_set as $tax => $ids ) {
$tt_ids = wp_set_post_terms( $post_id, $ids, $tax );
do_action( 'wp_import_set_post_terms', $tt_ids, $ids, $tax, $post_id, $post );
}
unset( $post['terms'], $terms_to_set );
}
if ( ! isset( $post['comments'] ) ) {
$post['comments'] = array();
}
$post['comments'] = apply_filters( 'wp_import_post_comments', $post['comments'], $post_id, $post );
// add/update comments
if ( ! empty( $post['comments'] ) ) {
$num_comments = 0;
$inserted_comments = array();
foreach ( $post['comments'] as $comment ) {
$comment_id = $comment['comment_id'];
$newcomments[ $comment_id ]['comment_post_ID'] = $comment_post_id;
$newcomments[ $comment_id ]['comment_author'] = $comment['comment_author'];
$newcomments[ $comment_id ]['comment_author_email'] = $comment['comment_author_email'];
$newcomments[ $comment_id ]['comment_author_IP'] = $comment['comment_author_IP'];
$newcomments[ $comment_id ]['comment_author_url'] = $comment['comment_author_url'];
$newcomments[ $comment_id ]['comment_date'] = $comment['comment_date'];
$newcomments[ $comment_id ]['comment_date_gmt'] = $comment['comment_date_gmt'];
$newcomments[ $comment_id ]['comment_content'] = $comment['comment_content'];
$newcomments[ $comment_id ]['comment_approved'] = $comment['comment_approved'];
$newcomments[ $comment_id ]['comment_type'] = $comment['comment_type'];
$newcomments[ $comment_id ]['comment_parent'] = $comment['comment_parent'];
$newcomments[ $comment_id ]['commentmeta'] = isset( $comment['commentmeta'] ) ? $comment['commentmeta'] : array();
if ( isset( $this->processed_authors[ $comment['comment_user_id'] ] ) ) {
$newcomments[ $comment_id ]['user_id'] = $this->processed_authors[ $comment['comment_user_id'] ];
}
}
ksort( $newcomments );
foreach ( $newcomments as $key => $comment ) {
// if this is a new post we can skip the comment_exists() check
if ( ! $post_exists || ! comment_exists( $comment['comment_author'], $comment['comment_date'] ) ) {
if ( isset( $inserted_comments[ $comment['comment_parent'] ] ) ) {
$comment['comment_parent'] = $inserted_comments[ $comment['comment_parent'] ];
}
$comment_data = wp_slash( $comment );
unset( $comment_data['commentmeta'] ); // Handled separately, wp_insert_comment() also expects `comment_meta`.
$comment_data = wp_filter_comment( $comment_data );
$inserted_comments[ $key ] = wp_insert_comment( $comment_data );
do_action( 'wp_import_insert_comment', $inserted_comments[ $key ], $comment, $comment_post_id, $post );
foreach ( $comment['commentmeta'] as $meta ) {
$value = maybe_unserialize( $meta['value'] );
add_comment_meta( $inserted_comments[ $key ], wp_slash( $meta['key'] ), wp_slash( $value ) );
}
++$num_comments;
}
}
unset( $newcomments, $inserted_comments, $post['comments'] );
}
if ( ! isset( $post['postmeta'] ) ) {
$post['postmeta'] = array();
}
$post['postmeta'] = apply_filters( 'wp_import_post_meta', $post['postmeta'], $post_id, $post );
// add/update post meta
if ( ! empty( $post['postmeta'] ) ) {
foreach ( $post['postmeta'] as $meta ) {
$key = apply_filters( 'import_post_meta_key', $meta['key'], $post_id, $post );
$value = false;
if ( '_edit_last' === $key ) {
if ( isset( $this->processed_authors[ intval( $meta['value'] ) ] ) ) {
$value = $this->processed_authors[ intval( $meta['value'] ) ];
} else {
$key = false;
}
}
if ( $key ) {
// export gets meta straight from the DB so could have a serialized string
if ( ! $value ) {
$value = maybe_unserialize( $meta['value'] );
}
// XTemos.
if ( 'wd_page_css_files' === $key ) {
continue;
}
// XTemos.
add_post_meta( $post_id, wp_slash( $key ), wp_slash( $value ) );
do_action( 'import_post_meta', $post_id, $key, $value );
// if the post has a featured image, take note of this in case of remap
if ( '_thumbnail_id' === $key ) {
$this->featured_images[ $post_id ] = (int) $value;
}
}
// XTemos.
if ( '_elementor_data' === $meta['key'] ) {
$this->wd_data['all_posts'][ $post['post_id'] ]['type'] = 'elementor';
$this->wd_data[ $post['post_type'] ][ $post['post_id'] ]['type'] = 'elementor';
}
// XTemos.
}
}
}
unset( $this->posts );
}
/**
* Attempt to create a new menu item from import data
*
* Fails for draft, orphaned menu items and those without an associated nav_menu
* or an invalid nav_menu term. If the post type or term object which the menu item
* represents doesn't exist then the menu item will not be imported (waits until the
* end of the import to retry again before discarding).
*
* @param array $item Menu item details from WXR file.
*/
public function process_menu_item( $item ) {
// skip draft, orphaned menu items
if ( 'draft' === $item['status'] ) {
return;
}
$menu_slug = false;
if ( isset( $item['terms'] ) ) {
// loop through terms, assume first nav_menu term is correct menu
foreach ( $item['terms'] as $term ) {
if ( 'nav_menu' === $term['domain'] ) {
$menu_slug = $term['slug'];
break;
}
}
}
// no nav_menu term associated with this menu item
if ( ! $menu_slug ) {
esc_html_e( 'Menu item skipped due to missing menu slug', 'wordpress-importer' );
echo '<br />';
return;
}
$menu_id = term_exists( $menu_slug, 'nav_menu' );
if ( ! $menu_id ) {
printf(
// translators: %s is the menu slug from the WXR file that could not be found in the site.
esc_html__( 'Menu item skipped due to invalid menu slug: %s', 'wordpress-importer' ),
esc_html( $menu_slug )
);
echo '<br />';
return;
} else {
$menu_id = is_array( $menu_id ) ? $menu_id['term_id'] : $menu_id;
}
foreach ( $item['postmeta'] as $meta ) {
${$meta['key']} = $meta['value'];
}
// XTemos.
$menu_item_meta = array();
foreach ( $item['postmeta'] as $meta ) {
$menu_item_meta[ $meta['key'] ] = $meta['value'];
}
if ( 'taxonomy' === $_menu_item_type ) {
if ( isset( $this->wd_data['term'][ $_menu_item_object ][ $_menu_item_object_id ]['new'] ) ) {
$_menu_item_object_id = $this->wd_data['term'][ $_menu_item_object ][ $_menu_item_object_id ]['new'];
$menu_item_meta['_menu_item_object_id'] = $_menu_item_object_id;
$this->processed_terms[ intval( $_menu_item_object_id ) ] = intval( $_menu_item_object_id );
}
} elseif ( 'post_type' === $_menu_item_type ) {
if ( isset( $this->wd_data['all_posts'][ $_menu_item_object_id ]['new'] ) ) {
$_menu_item_object_id = $this->wd_data['all_posts'][ $_menu_item_object_id ]['new'];
$menu_item_meta['_menu_item_object_id'] = $_menu_item_object_id;
$this->processed_posts[ intval( $_menu_item_object_id ) ] = intval( $_menu_item_object_id );
}
}
// XTemos.
if ( 'taxonomy' === $_menu_item_type && isset( $this->processed_terms[ intval( $_menu_item_object_id ) ] ) ) {
$_menu_item_object_id = $this->processed_terms[ intval( $_menu_item_object_id ) ];
} elseif ( 'post_type' === $_menu_item_type && isset( $this->processed_posts[ intval( $_menu_item_object_id ) ] ) ) {
$_menu_item_object_id = $this->processed_posts[ intval( $_menu_item_object_id ) ];
} elseif ( 'custom' !== $_menu_item_type ) {
// associated object is missing or not imported yet, we'll retry later
$this->missing_menu_items[] = $item;
return;
}
if ( isset( $_menu_item_menu_item_parent ) && isset( $this->processed_menu_items[ intval( $_menu_item_menu_item_parent ) ] ) ) {
$_menu_item_menu_item_parent = $this->processed_menu_items[ intval( $_menu_item_menu_item_parent ) ];
} elseif ( isset( $_menu_item_menu_item_parent ) && $_menu_item_menu_item_parent ) {
$this->menu_item_orphans[ intval( $item['post_id'] ) ] = (int) $_menu_item_menu_item_parent;
$_menu_item_menu_item_parent = 0;
}
// wp_update_nav_menu_item expects CSS classes as a space separated string
if ( isset( $_menu_item_classes ) ) {
$_menu_item_classes = maybe_unserialize( $_menu_item_classes );
if ( is_array( $_menu_item_classes ) ) {
$_menu_item_classes = implode( ' ', $_menu_item_classes );
}
}
$args = array(
'menu-item-object-id' => isset( $_menu_item_object_id ) ? $_menu_item_object_id : '',
'menu-item-object' => isset( $_menu_item_object ) ? $_menu_item_object : '',
'menu-item-parent-id' => isset( $_menu_item_menu_item_parent ) ? $_menu_item_menu_item_parent : '',
'menu-item-position' => intval( $item['menu_order'] ),
'menu-item-type' => isset( $_menu_item_type ) ? $_menu_item_type : '',
'menu-item-title' => $item['post_title'],
'menu-item-url' => isset( $_menu_item_url ) ? $_menu_item_url : '',
'menu-item-description' => $item['post_content'],
'menu-item-attr-title' => $item['post_excerpt'],
'menu-item-target' => isset( $_menu_item_target ) ? $_menu_item_target : '',
'menu-item-classes' => isset( $_menu_item_classes ) ? $_menu_item_classes : '',
'menu-item-xfn' => isset( $_menu_item_xfn ) ? $_menu_item_xfn : '',
'menu-item-status' => $item['status'],
);
$id = wp_update_nav_menu_item( $menu_id, 0, $args );
if ( $id && ! is_wp_error( $id ) ) {
// XTemos.
$this->wd_data['all_posts'][ $item['post_id'] ] = array(
'old' => $item['post_id'],
'new' => $id,
'post_type' => 'nav_menu_item',
);
$this->wd_data['nav_menu_item'][ $item['post_id'] ] = array(
'old' => $item['post_id'],
'new' => $id,
'post_type' => 'nav_menu_item',
);
unset( $menu_item_meta['_menu_item_menu_item_parent'] );
if ( ! empty( $menu_item_meta ) ) {
foreach ( $menu_item_meta as $key => $value ) {
update_post_meta( (int) $id, $key, maybe_unserialize( $value ) );
}
}
// XTemos.
$this->processed_menu_items[ intval( $item['post_id'] ) ] = (int) $id;
}
}
/**
* If fetching attachments is enabled then attempt to create a new attachment
*
* @param array $post Attachment post details from WXR.
* @param string $url URL to fetch attachment from.
*
* @return int|WP_Error Post ID on success, WP_Error otherwise.
*/
public function process_attachment( $post, $url ) {
if ( ! $this->fetch_attachments ) {
return new WP_Error(
'attachment_processing_error',
__( 'Fetching attachments is not enabled', 'wordpress-importer' )
);
}
// if the URL is absolute, but does not contain address, then upload it assuming base_site_url
if ( preg_match( '|^/[\w\W]+$|', $url ) ) {
$url = rtrim( $this->base_url, '/' ) . $url;
}
$url = str_replace( 'http:', 'https:', $url );
$upload = $this->fetch_remote_file( $url, $post );
if ( is_wp_error( $upload ) ) {
return $upload;
}
$info = wp_check_filetype( $upload['file'] );
if ( $info ) {
$post['post_mime_type'] = $info['type'];
} else {
return new WP_Error( 'attachment_processing_error', __( 'Invalid file type', 'wordpress-importer' ) );
}
$post['guid'] = $upload['url'];
// as per wp-admin/includes/upload.php
if ( ! function_exists( 'wp_generate_attachment_metadata' ) ) {
require_once ABSPATH . '/wp-admin/includes/image.php';
}
$post_id = wp_insert_attachment( $post, $upload['file'] );
wp_update_attachment_metadata( $post_id, wp_generate_attachment_metadata( $post_id, $upload['file'] ) );
// remap resized image URLs, works by stripping the extension and remapping the URL stub.
if ( preg_match( '!^image/!', $info['type'] ) ) {
$parts = pathinfo( $url );
$name = basename( $parts['basename'], ".{$parts['extension']}" ); // PATHINFO_FILENAME in PHP 5.2
$parts_new = pathinfo( $upload['url'] );
$name_new = basename( $parts_new['basename'], ".{$parts_new['extension']}" );
$this->url_remap[ $parts['dirname'] . '/' . $name ] = $parts_new['dirname'] . '/' . $name_new;
}
return $post_id;
}
/**
* Attempt to download a remote file attachment
*
* @param string $url URL of item to fetch.
* @param array $post Attachment details.
*
* @return array|WP_Error Local file location details on success, WP_Error otherwise.
*/
public function fetch_remote_file( $url, $post ) {
// Extract the file name from the URL.
$file_name = basename( wp_parse_url( $url, PHP_URL_PATH ) );
if ( ! $file_name ) {
$file_name = md5( $url );
}
if ( ! function_exists( 'wp_tempnam' ) ) {
require_once ABSPATH . '/wp-admin/includes/file.php';
}
$tmp_file_name = wp_tempnam( $file_name );
if ( ! $tmp_file_name ) {
return new WP_Error( 'import_no_file', __( 'Could not create temporary file.', 'wordpress-importer' ) );
}
if ( apply_filters( 'woodmart_downloader_images_from_cdn', $this->wd_download_by_cdn ) && strpos( $url, 'wp-content/uploads/' ) && strpos( $url, '/dummy.xtemos.com/' ) ) {
$url = str_replace( 'https://dummy.xtemos.com/', 'https://woodmart-dummy.b-cdn.net/', $url );
$url = str_replace( 'http://dummy.xtemos.com/', 'https://woodmart-dummy.b-cdn.net/', $url );
}
// Fetch the remote URL and write it to the placeholder file.
// XTemos.
$safe_remote_iterations = apply_filters( 'woodmart_safe_remote_iterations', 3 );
for ( $i = 1; $i <= $safe_remote_iterations; $i++ ) {
$remote_response = wp_safe_remote_get(
$url,
array(
'timeout' => apply_filters( 'woodmart_safe_remote_timeout', 5 ),
'stream' => true,
'filename' => $tmp_file_name,
'headers' => array(
'Accept-Encoding' => 'identity',
),
)
);
if ( ! is_wp_error( $remote_response ) ) {
break;
} else {
$logger = wc_get_logger();
$logger->info(
wp_json_encode(
array(
'url' => $url,
'data' => $remote_response,
)
),
array( 'source' => 'failed-import-images' )
);
$this->wd_download_by_cdn = true;
}
}
// XTemos.
if ( is_wp_error( $remote_response ) ) {
wp_delete_file( $tmp_file_name );
return new WP_Error(
'import_file_error',
sprintf(
/* translators: 1: The WordPress error message. 2: The WordPress error code. */
__( 'Request failed due to an error: %1$s (%2$s)', 'wordpress-importer' ),
esc_html( $remote_response->get_error_message() ),
esc_html( $remote_response->get_error_code() )
)
);
}
$remote_response_code = (int) wp_remote_retrieve_response_code( $remote_response );
// Make sure the fetch was successful.
if ( 200 !== $remote_response_code ) {
wp_delete_file( $tmp_file_name );
return new WP_Error(
'import_file_error',
sprintf(
/* translators: 1: The HTTP error message. 2: The HTTP error code. */
__( 'Remote server returned the following unexpected result: %1$s (%2$s)', 'wordpress-importer' ),
get_status_header_desc( $remote_response_code ),
esc_html( $remote_response_code )
)
);
}
$headers = wp_remote_retrieve_headers( $remote_response );
// Request failed.
if ( ! $headers ) {
wp_delete_file( $tmp_file_name );
return new WP_Error( 'import_file_error', __( 'Remote server did not respond', 'wordpress-importer' ) );
}
$filesize = (int) filesize( $tmp_file_name );
if ( 0 === $filesize ) {
wp_delete_file( $tmp_file_name );
return new WP_Error( 'import_file_error', __( 'Zero size file downloaded', 'wordpress-importer' ) );
}
if ( ! isset( $headers['content-encoding'] ) && isset( $headers['content-length'] ) && $filesize !== (int) $headers['content-length'] ) {
wp_delete_file( $tmp_file_name );
return new WP_Error( 'import_file_error', __( 'Downloaded file has incorrect size', 'wordpress-importer' ) );
}
$max_size = (int) $this->max_attachment_size();
if ( ! empty( $max_size ) && $filesize > $max_size ) {
wp_delete_file( $tmp_file_name );
return new WP_Error(
'import_file_error',
sprintf(
// translators: %s is the maximum file size allowed, as returned by the max_attachment_size() method.
__( 'Remote file is too large, limit is %s', 'wordpress-importer' ),
size_format( $max_size )
)
);
}
// Override file name with Content-Disposition header value.
if ( ! empty( $headers['content-disposition'] ) ) {
$file_name_from_disposition = self::get_filename_from_disposition( (array) $headers['content-disposition'] );
if ( $file_name_from_disposition ) {
$file_name = $file_name_from_disposition;
}
}
// Set file extension if missing.
$file_ext = pathinfo( $file_name, PATHINFO_EXTENSION );
if ( ! $file_ext && ! empty( $headers['content-type'] ) ) {
$extension = self::get_file_extension_by_mime_type( $headers['content-type'] );
if ( $extension ) {
$file_name = "{$file_name}.{$extension}";
}
}
// Handle the upload like _wp_handle_upload() does.
$wp_filetype = wp_check_filetype_and_ext( $tmp_file_name, $file_name );
$ext = empty( $wp_filetype['ext'] ) ? '' : $wp_filetype['ext'];
$type = empty( $wp_filetype['type'] ) ? '' : $wp_filetype['type'];
$proper_filename = empty( $wp_filetype['proper_filename'] ) ? '' : $wp_filetype['proper_filename'];
// Check to see if wp_check_filetype_and_ext() determined the filename was incorrect.
if ( $proper_filename ) {
$file_name = $proper_filename;
}
$uploads = wp_upload_dir( $post['upload_date'] );
if ( ! ( $uploads && false === $uploads['error'] ) ) {
return new WP_Error( 'upload_dir_error', $uploads['error'] );
}
// Move the file to the uploads dir.
$file_name = wp_unique_filename( $uploads['path'], $file_name );
$new_file = $uploads['path'] . "/$file_name";
$move_new_file = copy( $tmp_file_name, $new_file );
if ( ! $move_new_file ) {
wp_delete_file( $tmp_file_name );
return new WP_Error( 'import_file_error', __( 'The uploaded file could not be moved', 'wordpress-importer' ) );
}
// Set correct file permissions.
$stat = stat( dirname( $new_file ) );
$perms = $stat['mode'] & 0000666;
chmod( $new_file, $perms ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod
$upload = array(
'file' => $new_file,
'url' => $uploads['url'] . "/$file_name",
'type' => $wp_filetype['type'],
'error' => false,
);
// keep track of the old and new urls so we can substitute them later
$this->url_remap[ $url ] = $upload['url'];
$this->url_remap[ $post['guid'] ] = $upload['url']; // r13735, really needed?
// keep track of the destination if the remote url is redirected somewhere else
if ( isset( $headers['x-final-location'] ) && $headers['x-final-location'] !== $url ) {
$this->url_remap[ $headers['x-final-location'] ] = $upload['url'];
}
return $upload;
}
/**
* Attempt to associate posts and menu items with previously missing parents
*
* An imported post's parent may not have been imported when it was first created
* so try again. Similarly for child menu items and menu items which were missing
* the object (e.g. post) they represent in the menu
*/
public function backfill_parents() {
global $wpdb;
// find parents for post orphans
foreach ( $this->post_orphans as $child_id => $parent_id ) {
$local_child_id = false;
$local_parent_id = false;
if ( isset( $this->processed_posts[ $child_id ] ) ) {
$local_child_id = $this->processed_posts[ $child_id ];
}
if ( isset( $this->processed_posts[ $parent_id ] ) ) {
$local_parent_id = $this->processed_posts[ $parent_id ];
}
if ( $local_child_id && $local_parent_id ) {
$wpdb->update( $wpdb->posts, array( 'post_parent' => $local_parent_id ), array( 'ID' => $local_child_id ), '%d', '%d' ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
clean_post_cache( $local_child_id );
}
}
// all other posts/terms are imported, retry menu items with missing associated object
$missing_menu_items = $this->missing_menu_items;
foreach ( $missing_menu_items as $item ) {
$this->process_menu_item( $item );
}
// find parents for menu item orphans
foreach ( $this->menu_item_orphans as $child_id => $parent_id ) {
$local_child_id = 0;
$local_parent_id = 0;
if ( isset( $this->processed_menu_items[ $child_id ] ) ) {
$local_child_id = $this->processed_menu_items[ $child_id ];
}
if ( isset( $this->processed_menu_items[ $parent_id ] ) ) {
$local_parent_id = $this->processed_menu_items[ $parent_id ];
}
if ( $local_child_id && $local_parent_id ) {
update_post_meta( $local_child_id, '_menu_item_menu_item_parent', (int) $local_parent_id );
}
}
}
/**
* Use stored mapping information to update old attachment URLs
*/
public function backfill_attachment_urls() {
global $wpdb;
// make sure we do the longest urls first, in case one is a substring of another
uksort( $this->url_remap, array( &$this, 'cmpr_strlen' ) );
foreach ( $this->url_remap as $from_url => $to_url ) {
// remap urls in post_content
$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->posts} SET post_content = REPLACE(post_content, %s, %s)", $from_url, $to_url ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery
// remap enclosure urls
$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->postmeta} SET meta_value = REPLACE(meta_value, %s, %s) WHERE meta_key='enclosure'", $from_url, $to_url ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery
}
}
/**
* Update _thumbnail_id meta to new, imported attachment IDs
*/
public function remap_featured_images() {
// cycle through posts that have a featured image
foreach ( $this->featured_images as $post_id => $value ) {
if ( isset( $this->processed_posts[ $value ] ) ) {
$new_id = $this->processed_posts[ $value ];
// Only update if there's a difference.
if ( intval( $new_id ) !== intval( $value ) ) {
update_post_meta( $post_id, '_thumbnail_id', $new_id );
}
}
}
}
/**
* Parse a WXR file
*
* @param string $file Path to WXR file for parsing.
*
* @return array|WP_Error Information gathered from the WXR file
*/
public function parse( $file ) {
$parser = new WXR_Parser();
return $parser->parse( $file );
}
/**
* Display import page title.
*/
public function header() {
echo '<div class="wrap">';
echo '<h2>' . esc_html__( 'Import WordPress', 'wordpress-importer' ) . '</h2>';
$updates = get_plugin_updates();
$basename = plugin_basename( __FILE__ );
if ( isset( $updates[ $basename ] ) ) {
$update = $updates[ $basename ];
echo '<div class="error"><p><strong>';
printf(
// translators: %s is the new version number of the WordPress Importer plugin that is available for update.
esc_html__( 'A new version of this importer is available. Please update to version %s to ensure compatibility with newer export files.', 'wordpress-importer' ),
esc_html( $update->update->new_version )
);
echo '</strong></p></div>';
}
}
/**
* Close divs opened in header() and display import page footer.
*/
public function footer() {
echo '</div>';
}
/**
* Display introductory text and file upload form
*/
public function greet() {
echo '<div class="narrow">';
echo '<p>' . esc_html__( 'Howdy! Upload your WordPress eXtended RSS (WXR) file and we’ll import the posts, pages, comments, custom fields, categories, and tags into this site.', 'wordpress-importer' ) . '</p>';
echo '<p>' . esc_html__( 'Choose a WXR (.xml) file to upload, then click Upload file and import.', 'wordpress-importer' ) . '</p>';
wp_import_upload_form( 'admin.php?import=wordpress&step=1' );
echo '</div>';
}
/**
* Decide if the given meta key maps to information we will want to import
*
* @param string $key The meta key to check.
*
* @return string|bool The key if we do want to import, false if not
*/
public function is_valid_meta_key( $key ) {
// Skip attachment metadata since we'll regenerate it from scratch.
// Skip _edit_lock as not relevant for import.
if ( in_array( $key, array( '_wp_attached_file', '_wp_attachment_metadata', '_edit_lock' ), true ) ) {
return false;
}
return $key;
}
/**
* Decide whether or not the importer is allowed to create users.
* Default is true, can be filtered via import_allow_create_users
*
* @return bool True if creating users is allowed
*/
public function allow_create_users() {
return apply_filters( 'import_allow_create_users', true );
}
/**
* Decide whether or not the importer should attempt to download attachment files.
* Default is true, can be filtered via import_allow_fetch_attachments. The choice
* made at the import options screen must also be true, false here hides that checkbox.
*
* @return bool True if downloading attachments is allowed
*/
public function allow_fetch_attachments() {
return apply_filters( 'import_allow_fetch_attachments', true );
}
/**
* Decide what the maximum file size for downloaded attachments is.
* Default is 0 (unlimited), can be filtered via import_attachment_size_limit
*
* @return int Maximum attachment file size to import
*/
public function max_attachment_size() {
return apply_filters( 'import_attachment_size_limit', 0 );
}
/**
* Added to http_request_timeout filter to force timeout at 60 seconds during import.
*
* @param int $val The default timeout value, in seconds.
*
* @return int 60
*/
public function bump_request_timeout( $val ) {
return 60;
}
/**
* Return the difference in length between two strings.
*
* @param string $a First string.
* @param string $b Second string.
*
* @return int Negative if $a is longer, positive if $b is longer, 0 if they are the same length.
*/
public function cmpr_strlen( $a, $b ) {
return strlen( $b ) - strlen( $a );
}
/**
* Parses filename from a Content-Disposition header value.
*
* As per RFC6266:
*
* content-disposition = "Content-Disposition" ":"
* disposition-type *( ";" disposition-parm )
*
* disposition-type = "inline" | "attachment" | disp-ext-type
* ; case-insensitive
* disp-ext-type = token
*
* disposition-parm = filename-parm | disp-ext-parm
*
* filename-parm = "filename" "=" value
* | "filename*" "=" ext-value
*
* disp-ext-parm = token "=" value
* | ext-token "=" ext-value
* ext-token = <the characters in token, followed by "*">
*
* @since 0.7.0
*
* @see WP_REST_Attachments_Controller::get_filename_from_disposition()
*
* @link http://tools.ietf.org/html/rfc2388
* @link http://tools.ietf.org/html/rfc6266
*
* @param string[] $disposition_header List of Content-Disposition header values.
* @return string|null Filename if available, or null if not found.
*/
protected static function get_filename_from_disposition( $disposition_header ) {
// Get the filename.
$filename = null;
foreach ( $disposition_header as $value ) {
$value = trim( $value );
if ( strpos( $value, ';' ) === false ) {
continue;
}
list( $type, $attr_parts ) = explode( ';', $value, 2 );
$attr_parts = explode( ';', $attr_parts );
$attributes = array();
foreach ( $attr_parts as $part ) {
if ( strpos( $part, '=' ) === false ) {
continue;
}
list( $key, $value ) = explode( '=', $part, 2 );
$attributes[ trim( $key ) ] = trim( $value );
}
if ( empty( $attributes['filename'] ) ) {
continue;
}
$filename = trim( $attributes['filename'] );
// Unquote quoted filename, but after trimming.
if ( substr( $filename, 0, 1 ) === '"' && substr( $filename, -1, 1 ) === '"' ) {
$filename = substr( $filename, 1, -1 );
}
}
return $filename;
}
/**
* Retrieves file extension by mime type.
*
* @since 0.7.0
*
* @param string $mime_type Mime type to search extension for.
* @return string|null File extension if available, or null if not found.
*/
protected static function get_file_extension_by_mime_type( $mime_type ) {
static $map = null;
if ( is_array( $map ) ) {
return isset( $map[ $mime_type ] ) ? $map[ $mime_type ] : null;
}
$mime_types = wp_get_mime_types();
$map = array_flip( $mime_types );
// Some types have multiple extensions, use only the first one.
foreach ( $map as $type => $extensions ) {
$map[ $type ] = strtok( $extensions, '|' );
}
return isset( $map[ $mime_type ] ) ? $map[ $mime_type ] : null;
}
}