File: /var/www/html/wp-content/themes/Divi/core/components/Portability.php
<?php
/**
* Import and Export data.
*
* @package Core\Portability
*/
/**
* Handles the portability workflow.
*
* @package ET\Core\Portability
*/
class ET_Core_Portability {
/**
* Current instance.
*
* @since 2.7.0
*
* @type object
*/
public $instance;
/**
* Whether or not an import is in progress.
*
* @since 3.0.99
*
* @var bool
*/
protected static $_doing_import = false;
/**
* Constructor.
*
* @param string $context Portability context previously registered.
*/
public function __construct( $context ) {
$this->instance = et_core_cache_get( $context, 'et_core_portability' );
if ( $this->instance && $this->instance->view ) {
if ( et_core_is_fb_enabled() ) {
$this->assets();
} else {
add_action( 'admin_footer', array( $this, 'modal' ) );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'modal' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'assets' ), 5 );
}
}
}
public static function doing_import() {
return self::$_doing_import;
}
/**
* Import a previously exported layout.
*
* @since 3.10 Return the result of the import instead of dieing.
* @since 2.7.0
*
* @param string $file_context Accepts 'upload', 'sideload'. Default 'upload'.
*
* @return bool|array
*/
public function import( $file_context = 'upload' ) {
global $shortname;
$this->prevent_failure();
self::$_doing_import = true;
$timestamp = $this->get_timestamp();
$filesystem = $this->set_filesystem();
$temp_file_id = sanitize_file_name( $timestamp );
$temp_file = $this->has_temp_file( $temp_file_id, 'et_core_import' );
if ( $temp_file ) {
$import = json_decode( $filesystem->get_contents( $temp_file ), true );
} else {
if ( ! isset( $_FILES['file'] ) ) {
return false;
}
if ( ! in_array( $file_context, array( 'upload', 'sideload' ) ) ) {
$file_context = 'upload';
}
$handle_file = "wp_handle_{$file_context}";
$upload = $handle_file( $_FILES['file'], array(
'test_size' => false,
'test_type' => false,
'test_form' => false,
) );
/**
* Fires before an uploaded Portability JSON file is processed.
*
* @since 3.0.99
*
* @param string $file The absolute path to the uploaded JSON file's temporary location.
*/
do_action( 'et_core_portability_import_file', $upload['file'] );
$temp_file = $this->temp_file( $temp_file_id, 'et_core_import', $upload['file'] );
$import = json_decode( $filesystem->get_contents( $temp_file ), true );
$import = $this->validate( $import );
$import['data'] = $this->apply_query( $import['data'], 'set' );
if ( ! isset( $import['context'] ) || ( isset( $import['context'] ) && $import['context'] !== $this->instance->context ) ) {
return array( 'message' => 'importContextFail' );
}
$filesystem->put_contents( $upload['file'], wp_json_encode( (array) $import ) );
}
// Upload images and replace current urls.
if ( isset( $import['images'] ) ) {
$images = $this->maybe_paginate_images( (array) $import['images'], 'upload_images', $timestamp );
$import['data'] = $this->replace_images_urls( $images, $import['data'] );
}
$data = $import['data'];
$success = array( 'timestamp' => $timestamp );
$this->delete_temp_files( 'et_core_import' );
if ( 'options' === $this->instance->type ) {
// Reset all data besides excluded data.
$current_data = $this->apply_query( get_option( $this->instance->target, array() ), 'unset' );
if ( isset( $data['wp_custom_css'] ) && function_exists( 'wp_update_custom_css_post' ) ) {
wp_update_custom_css_post( $data['wp_custom_css'] );
if ( 'yes' === get_theme_mod( 'et_pb_css_synced', 'no' ) ) {
// If synced, clear the legacy custom css value to avoid unwanted merging of old and new css.
$data[ "{$shortname}_custom_css" ] = '';
}
}
// Merge remaining current data with new data and update options.
update_option( $this->instance->target, array_merge( $current_data, $data ) );
set_theme_mod( 'et_pb_css_synced', 'no' );
}
// Pass the post content and let js save the post.
if ( 'post' === $this->instance->type ) {
$success['postContent'] = reset( $data );
}
if ( 'post_type' === $this->instance->type && ! $this->import_posts( $data ) ) {
/**
* Filters the error message when {@see ET_Core_Portability::import()} fails.
*
* @since 3.0.99
*
* @param mixed $error_message Default is `null`.
*/
if ( $error_message = apply_filters( 'et_core_portability_import_error_message', false ) ) {
$error_message = array( 'message' => $error_message );
}
return $error_message;
}
return $success;
}
/**
* Initiate Export.
*
* @since 2.7.0
*/
public function export() {
$this->prevent_failure();
$timestamp = $this->get_timestamp();
$filesystem = $this->set_filesystem();
$temp_file_id = sanitize_file_name( $timestamp );
$temp_file = $this->has_temp_file( $temp_file_id, 'et_core_export' );
if ( $temp_file ) {
$data = json_decode( $filesystem->get_contents( $temp_file ), true );
} else {
$temp_file = $this->temp_file( $temp_file_id, 'et_core_export' );
if ( 'options' === $this->instance->type ) {
$data = get_option( $this->instance->target, array() );
// Export the Customizer "Additional CSS" value as well.
if ( function_exists( 'wp_get_custom_css' ) ) {
$data[ 'wp_custom_css' ] = wp_get_custom_css();
}
}
if ( 'post' === $this->instance->type ) {
if ( ! ( isset( $_POST['post'] ) || isset( $_POST['content'] ) ) ) {
wp_send_json_error();
}
$data = array( intval( $_POST['post'] ) => wp_kses_post( stripcslashes( $_POST['content'] ) ) );
}
if ( 'post_type' === $this->instance->type ) {
$data = $this->export_posts_query();
}
$data = $this->apply_query( $data, 'set' );
// put contents into file, this is temporary,
// if images get paginated, this content will be brought back out
// of a temp file in paginated request
$filesystem->put_contents( $temp_file, wp_json_encode( (array) $data ) );
}
$images = $this->get_data_images( $data );
$data = array(
'context' => $this->instance->context,
'data' => $data,
'images' => $this->maybe_paginate_images( $images, 'encode_images', $timestamp ),
);
$filesystem->put_contents( $temp_file, wp_json_encode( (array) $data ) );
wp_send_json_success( array( 'timestamp' => $timestamp ) );
}
/**
* Download Export Data.
*
* @since 2.7.0
*/
public function download_export() {
$this->prevent_failure();
// Retrieve data.
$timestamp = isset( $_GET['timestamp'] ) ? sanitize_text_field( $_GET['timestamp'] ) : null;
$name = isset( $_GET['name'] ) ? sanitize_text_field( rawurldecode( $_GET['name'] ) ) : $this->instance->name;
$filesystem = $this->set_filesystem();
$temp_file = $this->temp_file( sanitize_file_name( $timestamp ), 'et_core_export' );
header( 'Content-Description: File Transfer' );
header( "Content-Disposition: attachment; filename=\"{$name}.json\"" );
header( 'Content-Type: application/json' );
header( 'Pragma: no-cache' );
if ( file_exists( $temp_file ) ) {
echo $filesystem->get_contents( $temp_file );
}
$this->delete_temp_files( 'et_core_export' );
exit;
}
protected function to_megabytes( $value ) {
$unit = strtoupper( substr( $value, -1 ) );
$amount = intval( substr( $value, 0, -1 ) );
// Known units
switch ( $unit ) {
case 'G': return $amount << 10;
case 'M': return $amount;
}
if ( is_numeric( $unit ) ) {
// Numeric unit is present, assume bytes
return intval( $value ) >> 20;
}
// Unknown unit ...
return intval( $value );
}// end to_megabytes()
/**
* Get selected posts data.
*
* @since 2.7.0
*/
protected function export_posts_query() {
$args = array(
'post_type' => $this->instance->target,
'posts_per_page' => -1,
'no_found_rows' => true,
);
// Only include selected posts if set and not empty.
if ( isset( $_POST['selection'] ) ) {
$include = json_decode( stripslashes( $_POST['selection'] ), true );
if ( ! empty( $include ) ) {
$include = array_map( 'intval', array_values( $include ) );
$args['post__in'] = $include;
}
}
$get_posts = get_posts( apply_filters( "et_core_portability_export_wp_query_{$this->instance->context}", $args ) );
$taxonomies = get_object_taxonomies( $this->instance->target );
$posts = array();
foreach ( $get_posts as $key => $post ) {
unset(
$post->post_author,
$post->guid
);
$posts[$post->ID] = $post;
// Include post meta.
$post_meta = (array) get_post_meta( $post->ID );
if ( isset( $post_meta['_edit_lock'] ) ) {
unset(
$post_meta['_edit_lock'],
$post_meta['_edit_last']
);
}
$posts[$post->ID]->post_meta = $post_meta;
// Include terms.
$get_terms = (array) wp_get_object_terms( $post->ID, $taxonomies );
$terms = array();
// Order terms to make sure children are after the parents.
while ( $term = array_shift( $get_terms ) ) {
if ( 0 == $term->parent || isset( $terms[$term->parent] ) ) {
$terms[$term->term_id] = $term;
} else {
// if parent category is also exporting then add the term to the end of the list and process it later
// otherwise add a term as usual
if ( $this->is_parent_term_included( $get_terms, $term->parent ) ) {
$get_terms[] = $term;
} else {
$terms[$term->term_id] = $term;
}
}
}
$posts[$post->ID]->terms = array();
foreach ( $terms as $term ) {
$parents_data = array();
if ( $term->parent ) {
$parent_slug = isset( $terms[$term->parent] ) ? $terms[$term->parent]->slug : $this->get_parent_slug( $term->parent, $term->taxonomy );
$parents_data = $this->get_all_parents( $term->parent, $term->taxonomy );
} else {
$parent_slug = 0;
}
$posts[$post->ID]->terms[$term->term_id] = array(
'name' => $term->name,
'slug' => $term->slug,
'taxonomy' => $term->taxonomy,
'parent' => $parent_slug,
'all_parents' => $parents_data,
'description' => $term->description
);
}
}
return $posts;
}
/**
* Check whether the $parent_id included into the $terms_list.
*
* @since 2.7.0
*
* @param array $terms_list Array of term objects.
* @param int $parent_id .
*
* @return bool
*/
protected function is_parent_term_included( $terms_list, $parent_id ) {
$is_parent_found = false;
foreach ( $terms_list as $term => $term_details ) {
if ( $parent_id === $term_details->term_id ) {
$is_parent_found = true;
}
}
return $is_parent_found;
}
/**
* Retrieve the term slug.
*
* @since 2.7.0
*
* @param int $parent_id .
* @param string $taxonomy .
*
* @return int|string
*/
protected function get_parent_slug( $parent_id, $taxonomy ) {
$term_data = get_term( $parent_id, $taxonomy );
$slug = '' === $term_data->slug ? 0 : $term_data->slug;
return $slug;
}
/**
* Prepare array of all parents so the correct hierarchy can be restored during the import.
*
* @since 2.7.0
*
* @param int $parent_id .
* @param string $taxonomy .
*
* @return array
*/
protected function get_all_parents( $parent_id, $taxonomy ) {
$parents_data_array = array();
$parent = $parent_id;
// retrieve data for all parent categories
if ( 0 !== $parent ) {
while( 0 !== $parent ) {
$parent_term_data = get_term( $parent, $taxonomy );
$parents_data_array[$parent_term_data->slug] = array(
'name' => $parent_term_data->name,
'description' => $parent_term_data->description,
'parent' => 0 !== $parent_term_data->parent ? $this->get_parent_slug( $parent_term_data->parent, $taxonomy ) : 0,
);
$parent = $parent_term_data->parent;
}
}
//reverse order of items, to simplify the restoring process
return array_reverse( $parents_data_array );
}
/**
* Check if a layout exists in the database already based on both its title and its slug.
*
* @param string $title
* @param string $slug
*
* @return int $post_id The post id if it exists, zero otherwise.
*/
protected static function layout_exists( $title, $slug ) {
global $wpdb;
$query = "SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_name = %s";
$args = array(
wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ),
wp_unslash( sanitize_post_field( 'post_name', $slug, 0, 'db' ) ),
);
return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) );
}
/**
* Import post.
*
* @since 2.7.0
*
* @param array $posts Array of data formatted by the portability exporter.
*
* @return bool
*/
protected function import_posts( $posts ) {
/**
* Filters the array of builder layouts to import. Returning an empty value will
* short-circuit the import process.
*
* @since 3.0.99
*
* @param array $posts
*/
$posts = apply_filters( 'et_core_portability_import_posts', $posts );
if ( empty( $posts ) ) {
return false;
}
foreach ( $posts as $post ) {
if ( isset( $post['post_status'] ) && 'auto-draft' === $post['post_status'] ) {
continue;
}
$fields_validatation = array(
'ID' => 'intval',
'post_title' => 'sanitize_text_field',
'post_type' => 'sanitize_text_field',
);
if ( ! $post = $this->validate( $post, $fields_validatation ) ) {
continue;
}
$layout_exists = self::layout_exists( $post['post_title'], $post['post_name'] );
if ( $layout_exists && get_post_type( $layout_exists ) == $post['post_type'] ) {
// Make sure the post is published.
if ( 'publish' !== get_post_status( $layout_exists ) ) {
wp_update_post( array(
'ID' => intval( $layout_exists ),
'post_status' => 'publish',
) );
}
continue;
}
$post['import_id'] = $post['ID'];
unset( $post['ID'] );
$post['post_author'] = (int) get_current_user_id();
// Insert or update post.
$post_id = wp_insert_post( $post, true );
if ( ! $post_id || is_wp_error( $post_id ) ) {
continue;
}
// Insert and set terms.
if ( isset( $post['terms'] ) && is_array( $post['terms'] ) ) {
$processed_terms = array();
foreach ( $post['terms'] as $term ) {
$fields_validatation = array(
'name' => 'sanitize_text_field',
'slug' => 'sanitize_title',
'taxonomy' => 'sanitize_title',
'parent' => 'sanitize_title',
'description' => 'wp_kses_post',
);
if ( ! $term = $this->validate( $term, $fields_validatation ) ) {
continue;
}
if ( empty( $term['parent'] ) ) {
$parent = 0;
} else {
if ( isset( $term['all_parents'] ) && ! empty( $term['all_parents'] ) ) {
$this->restore_parent_categories( $term['all_parents'], $term['taxonomy'] );
}
$parent = term_exists( $term['parent'], $term['taxonomy'] );
if ( is_array( $parent ) ){
$parent = $parent['term_id'];
}
}
if ( ! $insert = term_exists( $term['slug'], $term['taxonomy'] ) ) {
$insert = wp_insert_term( $term['name'], $term['taxonomy'], array(
'slug' => $term['slug'],
'description' => $term['description'],
'parent' => intval( $parent ),
) );
}
if ( is_array( $insert ) && ! is_wp_error( $insert ) ) {
$processed_terms[$term['taxonomy']][] = $term['slug'];
}
}
// Set post terms.
foreach ( $processed_terms as $taxonomy => $ids ) {
wp_set_object_terms( $post_id, $ids, $taxonomy );
}
}
// Insert or update post meta.
if ( isset( $post['post_meta'] ) && is_array( $post['post_meta'] ) ) {
foreach ( $post['post_meta'] as $meta_key => $meta ) {
$meta_key = sanitize_text_field( $meta_key );
if ( count( $meta ) < 2 ) {
$meta = wp_kses_post( $meta[0] );
} else {
$meta = array_map( 'wp_kses_post', $meta );
}
update_post_meta( $post_id, $meta_key, $meta );
}
}
}
return true;
}
/**
* Restore the categories hierarchy in library.
*
* @since 2.7.0
*
* @param array $parents_array Array of parent categories data.
* @param string $taxonomy
*/
protected function restore_parent_categories( $parents_array, $taxonomy ) {
foreach( $parents_array as $slug => $category_data ) {
$current_category = term_exists( $slug, $taxonomy );
if ( ! is_array( $current_category ) ) {
$parent_id = 0 !== $category_data['parent'] ? term_exists( $category_data['parent'], $taxonomy ) : 0;
wp_insert_term( $category_data['name'], $taxonomy, array(
'slug' => $slug,
'description' => $category_data['description'],
'parent' => is_array( $parent_id ) ? $parent_id['term_id'] : $parent_id,
) );
} else if ( ( ! isset( $current_category['parent'] ) || 0 === $current_category['parent'] ) && 0 !== $category_data['parent'] ) {
$parent_id = 0 !== $category_data['parent'] ? term_exists( $category_data['parent'], $taxonomy ) : 0;
wp_update_term( $current_category['term_id'], $taxonomy, array( 'parent' => is_array( $parent_id ) ? $parent_id['term_id'] : $parent_id ) );
}
}
}
/**
* Restrict data according the argument registered.
*
* @since 2.7.0
*
* @param array $data Array of data the query is applied on.
* @param string $method Whether data should be set or reset. Accepts 'set' or 'unset' which is
* should be used when treating existing data in the db.
*
* @return array
*/
protected function apply_query( $data, $method ) {
$operator = ( $method === 'set' ) ? true : false;
foreach ( $data as $id => $value ) {
if ( ! empty( $this->instance->exclude ) && isset( $this->instance->exclude[$id] ) === $operator ) {
unset( $data[$id] );
}
if ( ! empty( $this->instance->include ) && isset( $this->instance->include[$id] ) === ! $operator ) {
unset( $data[$id] );
}
}
return $data;
}
/**
* Paginate images processing.
*
* @since 1.0.0
*
* @param $images
* @param string $method Method applied on images.
* @param int $timestamp Timestamp used to store data upon pagination.
*
* @return array
* @internal param array $data Array of images.
*/
protected function maybe_paginate_images( $images, $method, $timestamp ) {
/**
* Filters whether or not images in the file being imported should be paginated.
*
* @since 3.0.99
*
* @param bool $paginate_images Default `true`.
*/
$paginate_images = apply_filters( 'et_core_portability_paginate_images', true );
if ( $paginate_images && count( $images ) > 5 ) {
$total_pages = ceil( count( $images ) / 5 );
$page = isset( $_POST['page'] ) ? intval( $_POST['page'] ) : 1;
$slice = 5 * ( $page - 1 );
$images = array_slice( $images, $slice, 5 );
$images = $this->$method( $images );
$filesystem = $this->set_filesystem();
$temp_file_id = sanitize_file_name( "images_{$timestamp}" );
$temp_file = $this->temp_file( $temp_file_id, 'et_core_export' );
$temp_images = json_decode( $filesystem->get_contents( $temp_file ), true );
if ( is_array( $temp_images ) ){
$images = array_merge( $temp_images, $images );
}
if ( $page < $total_pages ) {
$filesystem->put_contents( $temp_file, wp_json_encode( (array) $images ) );
wp_send_json( array(
'page' => $page,
'total_pages' => $total_pages,
'timestamp' => $timestamp
) );
}
$this->delete_temp_files( 'et_core_export', array( $temp_file_id => $temp_file ) );
} else {
$images = $this->$method( $images );
}
return $images;
}
/**
* Get all images in the data given.
*
* @since 2.7.0
*
* @param array $data Array of data.
* @param bool $force Set whether the value should be added by force. Usually used for image ids.
*
* @return array
*/
protected function get_data_images( $data, $force = false ) {
$images = array();
foreach ( $data as $value ) {
if ( is_array( $value ) || is_object( $value ) ) {
$images = array_merge( $images, $this->get_data_images( (array) $value ) );
continue;
}
// Extract images from html or shortcodes.
if ( preg_match_all( '/(src|image_url|image|url|bg_img_?\d?)="(?P<src>\w+[^"]*)"/i', $value, $matches ) ) {
foreach ( array_unique( $matches['src'] ) as $key => $src ) {
$images = array_merge( $images, $this->get_data_images( array( $key => $src ) ) );
}
continue;
}
// Extract images from shortcodes gallery.
if ( preg_match_all( '/gallery_ids="(?P<ids>\w+[^"]*)"/i', $value, $matches ) ) {
$explode = explode( ',', str_replace( ' ', '', $matches['ids'][0] ) );
foreach ( $explode as $image_id ) {
$images = array_merge( $images, $this->get_data_images( array( (int) $image_id ), true ) );
}
continue;
}
if ( preg_match( '/^.+?\.(jpg|jpeg|jpe|png|gif)/', $value, $match ) || $force ) {
$basename = basename( $value );
// Avoid duplicates.
if ( isset( $images[$value] ) ) {
continue;
}
$images[$value] = $value;
}
}
return $images;
}
/**
* Encode image in a base64 format.
*
* @since 2.7.0
*
* @param array $images Array of data for which images need to be encoded if any.
*
* @return array
*/
protected function encode_images( $images ) {
$encoded = array();
foreach ( $images as $url ) {
if ( is_int( $url ) ) {
$id = $url;
$url = wp_get_attachment_url( $url );
}
$request = wp_remote_get( esc_url_raw( $url ), array(
'timeout' => 2,
'redirection' => 2,
) );
if ( is_array( $request ) && ! is_wp_error( $request ) ) {
if ( stripos( $request['headers']['content-type'], 'image' ) !== false && ( $image = wp_remote_retrieve_body( $request ) ) ) {
$encoded[$url] = array(
'encoded' => base64_encode( $image ),
'url' => $url,
);
// Add image id for replacement purposes
if ( isset( $id ) ) {
$encoded[$url]['id'] = $id;
}
}
}
}
return $encoded;
}
/**
* Decode base64 formatted image and upload it to WP media.
*
* @since 2.7.0
*
* @param array $images Array of encoded images which needs to be uploaded.
*
* @return array
*/
protected function upload_images( $images ) {
$filesystem = $this->set_filesystem();
foreach ( $images as $key => $image ) {
$basename = sanitize_file_name( wp_basename( $image['url'] ) );
$attachment = get_posts( array(
'post_per_page' => 1,
'post_type' => 'attachment',
'pagename' => pathinfo( $basename, PATHINFO_FILENAME ),
) );
// Avoid duplicates.
if ( ! is_wp_error( $attachment ) && ! empty( $attachment ) ) {
$attachment_url = wp_get_attachment_url( $attachment[0]->ID );
$file = get_attached_file( $attachment[0]->ID );
$filename = sanitize_file_name( wp_basename( $file ) );
// Allow new image if the basenames don't match.
if ( $filename === $basename ) {
// Use existing image only if the basenames and content match.
if ( $filesystem->get_contents( $file ) === base64_decode( $image['encoded'] ) ) {
$url = isset( $image['id'] ) ? $attachment[0]->ID : $attachment_url;
}
}
}
// Create new image.
if ( ! isset( $url ) ) {
$temp_file = wp_tempnam();
$filesystem->put_contents( $temp_file, base64_decode( $image['encoded'] ) );
$filetype = wp_check_filetype_and_ext( $temp_file, $basename );
// Avoid further duplicates if the proper_file name match an existing image.
if ( isset( $filetype['proper_filename'] ) && $filetype['proper_filename'] !== $basename ) {
if ( isset( $filename ) && $filename === $filetype['proper_filename'] ) {
// Use existing image only if the basenames and content match.
if ( $filesystem->get_contents( $file ) === $filesystem->get_contents( $temp_file ) ) {
$filesystem->delete( $temp_file );
continue;
}
}
}
$file = array(
'name' => $basename,
'tmp_name' => $temp_file,
);
$upload = media_handle_sideload( $file, 0 );
if ( ! is_wp_error( $upload ) ) {
// Set the replacement as an id if the original image was set as an id (for gallery).
$url = isset( $image['id'] ) ? $upload : wp_get_attachment_url( $upload );
} else {
// Make sure the temporary file is removed if media_handle_sideload didn't take care of it.
$filesystem->delete( $temp_file );
}
}
// Only declare the replace if a url is set.
if ( isset( $url ) ) {
$images[$key]['replacement_url'] = $url;
}
unset( $url );
}
return $images;
}
/**
* Replace image urls with newly uploaded images.
*
* @since 2.7.0
*
* @param array $images Array of new images uploaded.
* @param array $data Array of for which images url needs to be replaced.
*
* @return array|mixed|object
*/
protected function replace_images_urls( $images, $data ) {
$data = wp_json_encode( $data );
foreach ( $images as $image ) {
if ( isset( $image['replacement_url'] ) ) {
if ( isset( $image['id'] ) && is_int( $image['replacement_url'] ) ) {
$search = $image['id'];
$replacement = $image['replacement_url'];
$data = preg_replace( "/(gallery_ids=.*){$search}(.*\")/", "\${1}{$replacement}\${2}", $data );
} else {
$url = str_replace( '/', '\/', $image['url'] );
$replacement = str_replace( '/', '\/', $image['replacement_url'] );
$data = str_replace( $url, $replacement, $data );
}
}
}
return json_decode( $data, true );
}
/**
* Validate data and remove any malicious code.
*
* @since 2.7.0
*
* @param array $data Array of data which needs to be validated.
* @param array $fields_validation Array of field and validation callback.
*
* @return array|bool
*/
protected function validate( $data, $fields_validation = array() ) {
if ( ! is_array( $data ) ) {
return false;
}
foreach ( $data as $key => $value ) {
if ( is_array( $value ) ) {
$data[$key] = $this->validate( $value, $fields_validation );
} else {
if ( isset( $fields_validation[$key] ) ) {
$data[$key] = call_user_func( $fields_validation[$key], $value );
} else {
if ( current_user_can( 'switch_themes' ) ) {
$data[ $key ] = $value;
} else {
$data[ $key ] = wp_kses_post( $value );
}
}
}
}
return $data;
}
/**
* Prevent import and export timeout or memory failure.
*
* @since 2.7.0
*
* It doesn't need to be reset as in both case the request exit.
*/
protected function prevent_failure() {
@set_time_limit( 0 );
// Increase memory which is safe at this stage of the request.
if ( et_core_get_memory_limit() < 256 ) {
@ini_set( 'memory_limit', '256M' );
}
}
/**
* Set WP filesystem to direct. This should only be use to create a temporary file.
*
* @since 2.7.0
*
* It is safe to do so since the created file is removed immediately after import. The method does'nt have
* to be reset since the ajax query is exited.
*/
protected function set_filesystem() {
global $wp_filesystem;
add_filter( 'filesystem_method', array( $this, 'replace_filesystem_method' ) );
WP_Filesystem();
return $wp_filesystem;
}
/**
* Check if a temporary file is register. Returns temporary file if it exists.
*
* @param string $id Unique id used when the temporary file was created.
* @param string $group Group name in which files are grouped.
*
* @return bool
*/
protected function has_temp_file( $id, $group ) {
$temp_files = get_option( '_et_core_portability_temp_files', array() );
if ( isset( $temp_files[$group][$id] ) && file_exists( $temp_files[$group][$id] ) ) {
return $temp_files[$group][$id];
}
return false;
}
/**
* Create a temp file and register it.
*
* @since 2.7.0
*
* @param string $id Unique id reference for the temporary file.
* @param string $group Group name in which files are grouped.
* @param string|bool $temp_file Path to the temporary file. False create a new temporary file.
*
* @return bool|string
*/
protected function temp_file( $id, $group, $temp_file = false ) {
$temp_files = get_option( '_et_core_portability_temp_files', array() );
if ( ! isset( $temp_files[$group] ) ) {
$temp_files[$group] = array();
}
if ( isset( $temp_files[$group][$id] ) && file_exists( $temp_files[$group][$id] ) ) {
return $temp_files[$group][$id];
}
$temp_file = $temp_file ? $temp_file : wp_tempnam();
$temp_files[$group][$id] = $temp_file;
update_option( '_et_core_portability_temp_files', $temp_files, false );
return $temp_file;
}
/**
* Delete all the temp files.
*
* @since 2.7.0
*
* @param bool|string $group Group name in which files are grouped. Set to true to remove all groups and files.
* @param array $defined_files Array or temoporary files to delete. No argument deletes all temp files.
*/
public function delete_temp_files( $group = false, $defined_files = false ) {
$filesystem = $this->set_filesystem();
$temp_files = get_option( '_et_core_portability_temp_files', array() );
// Remove all temp files accross all groups if group is true.
if ( $group === true ) {
foreach( $temp_files as $group_id => $_group ) {
$this->delete_temp_files( $group_id );
}
}
if ( ! isset( $temp_files[$group] ) ) {
return;
}
$delete_files = ( is_array( $defined_files ) && ! empty( $defined_files ) ) ? $defined_files : $temp_files[$group];
foreach ( $delete_files as $id => $temp_file ) {
if ( isset( $temp_files[$group][$id] ) && $filesystem->delete( $temp_files[$group][$id] ) ) {
unset( $temp_files[$group][$id] );
}
}
if ( empty( $temp_files[$group] ) ) {
unset( $temp_files[$group] );
}
if ( empty( $temp_files ) ) {
delete_option( '_et_core_portability_temp_files' );
} else {
update_option( '_et_core_portability_temp_files', $temp_files, false );
}
}
/**
* Set WP filesystem method to direct.
*
* @since 2.7.0
*/
public function replace_filesystem_method() {
return 'direct';
}
/**
* Get timestamp or create one if it isn't set.
*
* @since 2.7.0
*/
public function get_timestamp() {
return isset( $_POST['timestamp'] ) && ! empty( $_POST['timestamp'] ) ? sanitize_text_field( $_POST['timestamp'] ) : current_time( 'timestamp' );
}
/**
* Enqueue assets.
*
* @since 2.7.0
*/
public function assets() {
$time = '<span>1</span>';
wp_enqueue_style( 'et-core-portability', ET_CORE_URL . 'admin/css/portability.css', array(
'et-core-admin',
), ET_CORE_VERSION );
wp_enqueue_script( 'et-core-portability', ET_CORE_URL . 'admin/js/portability.js', array(
'jquery',
'jquery-ui-tabs',
'jquery-form',
'et-core-admin',
), ET_CORE_VERSION );
wp_localize_script( 'et-core-portability', 'etCorePortability', array(
'nonces' => array(
'import' => wp_create_nonce( 'et_core_portability_import' ),
'export' => wp_create_nonce( 'et_core_portability_export' ),
'cancel' => wp_create_nonce( 'et_core_portability_cancel' ),
),
'postMaxSize' => $this->to_megabytes( @ini_get( 'post_max_size' ) ),
'uploadMaxSize' => $this->to_megabytes( @ini_get( 'upload_max_filesize' ) ),
'text' => array(
'browserSupport' => esc_html__( 'The browser version you are currently using is outdated. Please update to the newest version.', ET_CORE_TEXTDOMAIN ),
'memoryExhausted' => esc_html__( 'You reached your server memory limit. Please try increasing your PHP memory limit.', ET_CORE_TEXTDOMAIN ),
'maxSizeExceeded' => esc_html__( 'This file cannot be imported. It may be caused by file_uploads being disabled in your php.ini. It may also be caused by post_max_size or/and upload_max_filesize being smaller than file selected. Please increase it or transfer more substantial data at the time.', ET_CORE_TEXTDOMAIN ),
'invalideFile' => esc_html__( 'Invalid File format. You should be uploading a JSON file.', ET_CORE_TEXTDOMAIN ),
'importContextFail' => esc_html__( 'This file should not be imported in this context.', ET_CORE_TEXTDOMAIN ),
'noItemsSelected' => esc_html__( 'Please select at least one item to export or disable the "Only export selected items" option', ET_CORE_TEXTDOMAIN ),
'importing' => sprintf( esc_html__( 'Import estimated time remaining: %smin', ET_CORE_TEXTDOMAIN ), $time ),
'exporting' => sprintf( esc_html__( 'Export estimated time remaining: %smin', ET_CORE_TEXTDOMAIN ), $time ),
'backuping' => sprintf( esc_html__( 'Backup estimated time remaining: %smin', ET_CORE_TEXTDOMAIN ), $time ),
),
) );
}
/**
* Modal HTML.
*
* @since 2.7.0
*/
public function modal() {
$export_url = add_query_arg( array(
'et_core_portability' => true,
'context' => $this->instance->context,
'name' => $this->instance->name,
'nonce' => wp_create_nonce( 'et_core_portability_export' ),
), admin_url() );
?>
<div class="et-core-modal-overlay et-core-form" data-et-core-portability="<?php echo $this->instance->context; ?>">
<div class="et-core-modal">
<div class="et-core-modal-header">
<h3 class="et-core-modal-title"><?php esc_html_e( 'Portability', ET_CORE_TEXTDOMAIN ); ?></h3><a href="#" class="et-core-modal-close" data-et-core-modal="close"></a>
</div>
<div data-et-core-tabs class="et-core-modal-tabs-enabled">
<ul class="et-core-tabs">
<li><a href="#et-core-portability-export"><?php esc_html_e( 'Export', ET_CORE_TEXTDOMAIN ); ?></a></li>
<li><a href="#et-core-portability-import"><?php esc_html_e( 'Import', ET_CORE_TEXTDOMAIN ); ?></a></li>
</ul>
<div id="et-core-portability-export">
<div class="et-core-modal-content">
<?php printf( esc_html__( 'Exporting your %s will create a JSON file that can be imported into a different website.', ET_CORE_TEXTDOMAIN ), $this->instance->name ); ?>
<h3><?php esc_html_e( 'Export File Name', ET_CORE_TEXTDOMAIN ); ?></h3>
<form class="et-core-portability-export-form">
<input type="text" name="" value="<?php echo esc_attr( $this->instance->name ); ?>">
<?php if ( 'post_type' === $this->instance->type ) : ?>
<div class="et-core-clearfix"></div>
<label><input type="checkbox" name="et-core-portability-posts"/><?php esc_html_e( 'Only export selected items', ET_CORE_TEXTDOMAIN ); ?></label>
<?php endif; ?>
</form>
</div>
<a class="et-core-modal-action" href="#" data-et-core-portability-export="<?php echo esc_url( $export_url ); ?>"><?php printf( esc_html__( 'Export %s', ET_CORE_TEXTDOMAIN ), $this->instance->name ); ?></a>
<a class="et-core-modal-action et-core-button-danger" href="#" data-et-core-portability-cancel><?php esc_html_e( 'Cancel Export', ET_CORE_TEXTDOMAIN ); ?></a>
</div>
<div id="et-core-portability-import">
<div class="et-core-modal-content">
<?php if ( 'post' === $this->instance->type ) : ?>
<?php printf( esc_html__( 'Importing a previously-exported %s file will overwrite all content currently on this page.', ET_CORE_TEXTDOMAIN ), $this->instance->name ); ?>
<?php elseif ( 'post_type' === $this->instance->type ) : ?>
<?php printf( esc_html__( 'Select a previously-exported Divi Builder Layouts file to begin importing items. Large collections of image-heavy exports may take several minutes to upload.', ET_CORE_TEXTDOMAIN ), $this->instance->name ); ?>
<?php else : ?>
<?php printf( esc_html__( 'Importing a previously-exported %s file will overwrite all current data. Please proceed with caution!', ET_CORE_TEXTDOMAIN ), $this->instance->name ); ?>
<?php endif; ?>
<h3><?php esc_html_e( 'Select File To Import', ET_CORE_TEXTDOMAIN ); ?></h3>
<form class="et-core-portability-import-form">
<span class="et-core-portability-import-placeholder"><?php esc_html_e( 'No File Selected', ET_CORE_TEXTDOMAIN ); ?></span>
<button class="et-core-button"><?php esc_html_e( 'Choose File', ET_CORE_TEXTDOMAIN ); ?></button>
<input type="file">
<?php if ( 'post_type' !== $this->instance->type ) : ?>
<div class="et-core-clearfix"></div>
<label><input type="checkbox" name="et-core-portability-import-backup" /><?php esc_html_e( 'Download backup before importing', ET_CORE_TEXTDOMAIN ); ?></label>
<?php endif; ?>
</form>
</div>
<a class="et-core-modal-action et-core-portability-import" href="#"><?php printf( esc_html__( 'Import %s', ET_CORE_TEXTDOMAIN ), $this->instance->name ); ?></a>
<a class="et-core-modal-action et-core-button-danger" href="#" data-et-core-portability-cancel><?php esc_html_e( 'Cancel Import', ET_CORE_TEXTDOMAIN ); ?></a>
</div>
</div>
</div>
</div>
<?php
}
}
if ( ! function_exists( 'et_core_portability_register' ) ) :
/**
* Register portability.
*
* This function should be called in an 'admin_init' action callback.
*
* @since 2.7.0
*
* @param string $context A unique ID used to register the portability arguments.
*
* @param array $args {
* Array of arguments used to register the portability.
*
* @type string $name The name used in the various text string.
* @type bool $view Whether the assets and content should load or not.
* Example: `isset( $_GET['page'] ) && $_GET['page'] == 'example'`.
* @type string $db The option_name from the wp_option table used to export and import data.
* @type array $include Optional. Array of all the options scritcly included. Options ids must be set
* as the array keys.
* @type array $exclude Optional. Array of excluded options. Options ids must be set as the array keys.
* }
*/
function et_core_portability_register( $context, $args ) {
$defaults = array(
'context' => $context,
'name' => false,
'view' => false,
'type' => false,
'target' => false,
'include' => array(),
'exclude' => array(),
);
$data = apply_filters( "et_core_portability_args_{$context}", (object) array_merge( $defaults, (array) $args ) );
et_core_cache_set( $context, $data, 'et_core_portability' );
// Stop here if not allowed.
if ( function_exists( 'et_pb_is_allowed' ) && ! et_pb_is_allowed( array( 'portability', "{$data->context}_portability" ) ) ) {
// Set view to false if not allowed.
$data->view = false;
et_core_cache_set( $context, $data, 'et_core_portability' );
return;
}
if ( $data->view ) {
et_core_portability_load( $context );
}
}
endif;
if ( ! function_exists( 'et_core_portability_load' ) ) :
/**
* Load Portability class.
*
* @since 2.7.0
*
* @param string $context A unique ID used to register the portability arguments.
* @return ET_Core_Portability
*/
function et_core_portability_load( $context ) {
return new ET_Core_Portability( $context );
}
endif;
if ( ! function_exists( 'et_core_portability_link' ) ) :
/**
* HTML link to trigger the portability modal.
*
* @since 2.7.0
*
* @param string $context The context used to register the portability.
* @param string|array $attributes Optional. Query string or array of attributes. Default empty.
*
* @return string
*/
function et_core_portability_link( $context, $attributes = array() ) {
$instance = et_core_cache_get( $context, 'et_core_portability' );
if ( ! $capability = et_core_portability_cap( $context ) ) {
return '';
}
if ( ! current_user_can( $capability ) || ! ( isset( $instance->view ) && $instance->view ) ) {
return '';
}
$defaults = array(
'title' => esc_attr__( 'Import & Export', ET_CORE_TEXTDOMAIN ),
);
$attributes = array_merge( $defaults, $attributes );
// Forced attributes.
$attributes['href'] = '#';
$attributes['data-et-core-modal'] = "[data-et-core-portability='{$context}']";
$string = '';
foreach ( $attributes as $attribute => $value ) {
if ( null !== $value ){
$string .= esc_attr( $attribute ) . '="' . esc_attr( $value ) . '" ';
}
}
return sprintf(
'<a %1$s><span>%2$s</span></a>',
trim( $string ),
esc_html( $attributes['title'] )
);
}
endif;
if ( ! function_exists( 'et_core_portability_ajax_import' ) ) :
/**
* Ajax portability Import.
*
* @since 2.7.0
*/
function et_core_portability_ajax_import() {
if ( ! isset( $_POST['context'] ) ) {
et_core_die();
}
$context = sanitize_text_field( $_POST['context'] );
if ( ! $capability = et_core_portability_cap( $context ) ) {
et_core_die();
}
if ( ! et_core_security_check_passed( $capability, 'et_core_portability_import', 'nonce' ) ) {
et_core_die();
}
$portability = et_core_portability_load( $context );
if ( ! $result = $portability->import() ) {
wp_send_json_error();
} else if ( is_array( $result ) && isset( $result['message'] ) ) {
wp_send_json_error( $result );
} else if ( $result ) {
wp_send_json_success( $result );
}
wp_send_json_error();
}
add_action( 'wp_ajax_et_core_portability_import', 'et_core_portability_ajax_import' );
endif;
if ( ! function_exists( 'et_core_portability_ajax_export' ) ) :
/**
* Ajax portability Export.
*
* @since 2.7.0
*/
function et_core_portability_ajax_export() {
if ( ! isset( $_POST['context'] ) ) {
et_core_die();
}
$context = sanitize_text_field( $_POST['context'] );
if ( ! $capability = et_core_portability_cap( $context ) ) {
et_core_die();
}
if ( ! et_core_security_check_passed( $capability, 'et_core_portability_export', 'nonce' ) ) {
et_core_die();
}
et_core_portability_load( $context )->export();
wp_send_json_error();
}
add_action( 'wp_ajax_et_core_portability_export', 'et_core_portability_ajax_export' );
endif;
if ( ! function_exists( 'et_core_portability_ajax_cancel' ) ) :
/**
* Cancel portability action.
*
* @since 2.7.0
*/
function et_core_portability_ajax_cancel() {
if ( ! isset( $_POST['context'] ) ) {
et_core_die();
}
$context = sanitize_text_field( $_POST['context'] );
if ( ! $capability = et_core_portability_cap( $context ) ) {
et_core_die();
}
if ( ! et_core_security_check_passed( $capability, 'et_core_portability_cancel' ) ) {
et_core_die();
}
et_core_portability_load( $context )->delete_temp_files( true );
wp_send_json_error();
}
add_action( 'wp_ajax_et_core_portability_cancel', 'et_core_portability_ajax_cancel' );
endif;
if ( ! function_exists( 'et_core_portability_export' ) ) :
/**
* Portability export.
*
* @since 2.7.0
*/
function et_core_portability_export() {
if ( ! isset( $_GET['et_core_portability'], $_GET['timestamp'] ) ) {
return;
}
if ( ! et_core_security_check_passed( 'edit_posts' ) ) {
wp_die( esc_html__( 'The export process failed. Please refresh the page and try again.', ET_CORE_TEXTDOMAIN ) );
}
et_core_portability_load( sanitize_text_field( $_GET['timestamp'] ) )->download_export();
}
add_action( 'admin_init', 'et_core_portability_export', 20 );
endif;
if ( ! function_exists( 'et_core_portability_cap' ) ):
/**
* Returns the required WordPress Capability for a Portability context.
*
* @since 3.0.91
*
* @param string $context The Portability context
*
* @return string
*/
function et_core_portability_cap( $context ) {
$capability = '';
$options_contexts = array(
'et_pb_roles',
'et_builder_layouts',
'epanel',
'et_divi_mods',
'et_extra_mods',
);
if ( in_array( $context, $options_contexts ) ) {
$capability = 'edit_theme_options';
} else if ( 'et_builder' === $context ) {
$capability = 'edit_posts';
}
return $capability;
}
endif;