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<?php
/**
* Class SiteOrigin_Panels_Admin
*
* Handles all the admin and database interactions.
*/
class SiteOrigin_Panels_Admin_Layouts {
const LAYOUT_URL = 'https://layouts.siteorigin.com/';
function __construct() {
// Filter all the available external layout directories.
add_filter( 'siteorigin_panels_external_layout_directories', array( $this, 'filter_directories' ), 8 );
// Filter all the available local layout folders.
add_filter( 'siteorigin_panels_prebuilt_layouts', array( $this, 'get_local_layouts' ), 8 );
add_action( 'wp_ajax_so_panels_layouts_query', array( $this, 'action_get_prebuilt_layouts' ) );
add_action( 'wp_ajax_so_panels_get_layout', array( $this, 'action_get_prebuilt_layout' ) );
add_action( 'wp_ajax_so_panels_import_layout', array( $this, 'action_import_layout' ) );
add_action( 'wp_ajax_so_panels_export_layout', array( $this, 'action_export_layout' ) );
add_action( 'wp_ajax_so_panels_directory_enable', array( $this, 'action_directory_enable' ) );
}
/**
* @return SiteOrigin_Panels_Admin_Layouts
*/
public static function single() {
static $single;
return empty( $single ) ? $single = new self() : $single;
}
/**
* Add the main SiteOrigin layout directory
*/
public function filter_directories( $directories ){
if ( apply_filters( 'siteorigin_panels_layouts_directory_enabled', true ) ) {
$directories['siteorigin'] = array(
// The title of the layouts directory in the sidebar.
'title' => __( 'Layouts Directory', 'siteorigin-panels' ),
// The URL of the directory.
'url' => self::LAYOUT_URL,
// Any additional arguments to pass to the layouts server
'args' => array()
);
}
return $directories;
}
/**
* Get all the layout directories.
*
* @return array
*/
public function get_directories(){
$directories = apply_filters( 'siteorigin_panels_external_layout_directories', array() );
if( empty( $directories ) || ! is_array( $directories ) ) {
$directories = array();
}
return $directories;
}
/**
* Looks through local folders in the active theme and any others filtered in by theme and plugins, to find JSON
* prebuilt layouts.
*
*/
public function get_local_layouts() {
// By default we'll look for layouts in a directory in the active theme
$layout_folders = array( get_template_directory() . '/siteorigin-page-builder-layouts' );
// And the child theme if there is one.
if ( is_child_theme() ) {
$layout_folders[] = get_stylesheet_directory() . '/siteorigin-page-builder-layouts';
}
// This allows themes and plugins to customize where we look for layouts.
$layout_folders = apply_filters( 'siteorigin_panels_local_layouts_directories', $layout_folders );
$layouts = array();
foreach ( $layout_folders as $folder ) {
$folder = realpath($folder);
if ( file_exists( $folder ) && is_dir( $folder ) ) {
$files = list_files( $folder, 1 );
if ( empty( $files ) ) {
continue;
}
foreach ( $files as $file ) {
if ( function_exists( 'mime_content_type' ) ) {
// get file mime type
$mime_type = mime_content_type( $file );
// Valid if text files.
$valid_file_type = strpos( $mime_type, 'text/' ) === 0;
} else {
// If `mime_content_type` isn't available, just check file extension.
$ext = pathinfo( $file, PATHINFO_EXTENSION );
// skip files which don't have a `.json` extension.
$valid_file_type = ! empty( $ext ) && $ext === 'json';
}
if ( ! $valid_file_type ) {
continue;
}
// get file contents
$file_contents = file_get_contents( $file );
// skip if file_get_contents fails
if ( $file_contents === false ) {
continue;
}
// json decode
$panels_data = json_decode( $file_contents, true );
if ( ! empty( $panels_data ) ) {
// get file name by stripping out folder path and .json extension
$file_name = str_replace( array( $folder . '/', '.json' ), '', $file );
// get name: check for id or name else use filename
$panels_data['id'] = sanitize_title_with_dashes( $this->get_layout_id( $panels_data, $file_name ) );
if ( empty( $panels_data['name'] ) ) {
$panels_data['name'] = $file_name;
}
$panels_data['name'] = sanitize_text_field( $panels_data['name'] );
// get screenshot: check for screenshot prop else try use image file with same filename.
$panels_data['screenshot'] = $this->get_layout_file_screenshot( $panels_data, $folder, $file_name );
// set item on layouts array
$layouts[ $panels_data['id'] ] = $panels_data;
}
}
}
}
return $layouts;
}
private function get_layout_id( $layout_data, $fallback ) {
if ( ! empty( $layout_data['id'] ) ) {
return $layout_data['id'];
} else if ( ! empty( $layout_data['name'] ) ) {
return $layout_data['name'];
} else {
return $fallback;
}
}
private function get_layout_file_screenshot( $panels_data, $folder_path, $file_name ) {
if ( ! empty( $panels_data['screenshot'] ) ) {
return $panels_data['screenshot'];
} else {
$paths = glob( $folder_path . "/$file_name.{jpg,jpeg,gif,png}", GLOB_BRACE );
// Highlander Condition. There can be only one.
$screenshot_path = empty( $paths ) ? '' : wp_normalize_path( $paths[0] );
$wp_content_dir = wp_normalize_path( WP_CONTENT_DIR );
$screenshot_url = '';
if ( file_exists( $screenshot_path ) &&
strrpos( $screenshot_path, $wp_content_dir ) === 0 ) {
$screenshot_url = str_replace( $wp_content_dir, content_url(), $screenshot_path );
}
return $screenshot_url;
}
}
/**
* Gets all the prebuilt layouts.
*/
function action_get_prebuilt_layouts() {
if ( empty( $_REQUEST['_panelsnonce'] ) || ! wp_verify_nonce( $_REQUEST['_panelsnonce'], 'panels_action' ) ) {
wp_die( __( 'Invalid request.', 'siteorigin-panels' ), 403 );
}
// Get any layouts that the current user could edit.
header( 'content-type: application/json' );
$type = ! empty( $_REQUEST['type'] ) ? $_REQUEST['type'] : 'directory-siteorigin';
$search = ! empty( $_REQUEST['search'] ) ? trim( strtolower( $_REQUEST['search'] ) ) : '';
$page_num = ! empty( $_REQUEST['page'] ) ? intval( $_REQUEST['page'] ) : 1;
$return = array(
'title' => '',
'items' => array()
);
if ( $type == 'prebuilt' ) {
$return['title'] = __( 'Theme Defined Layouts', 'siteorigin-panels' );
// This is for theme bundled prebuilt directories
$layouts = apply_filters( 'siteorigin_panels_prebuilt_layouts', array() );
foreach ( $layouts as $id => $vals ) {
if ( ! empty( $search ) && strpos( strtolower( $vals['name'] ), $search ) === false ) {
continue;
}
$return['items'][] = array(
'title' => $vals['name'],
'id' => $id,
'type' => 'prebuilt',
'description' => isset( $vals['description'] ) ? $vals['description'] : '',
'screenshot' => ! empty( $vals['screenshot'] ) ? $vals['screenshot'] : ''
);
}
$return['max_num_pages'] = 1;
} elseif ( substr( $type, 0, 10 ) == 'directory-' ) {
$return['title'] = __( 'Layouts Directory', 'siteorigin-panels' );
// This is a query of the prebuilt layout directory
$query = array();
if ( ! empty( $search ) ) {
$query['search'] = $search;
}
$query['page'] = $page_num;
$directory_id = str_replace( 'directory-', '', $type );
$directories = $this->get_directories();
$directory = ! empty( $directories[ $directory_id ] ) ? $directories[ $directory_id ] : false;
if( empty( $directory ) ) {
return false;
}
$url = add_query_arg( $query, $directory[ 'url' ] . 'wp-admin/admin-ajax.php?action=query_layouts' );
if( ! empty( $directory[ 'args' ] ) && is_array( $directory[ 'args' ] ) ) {
$url = add_query_arg( $directory[ 'args' ], $url );
}
$url = apply_filters( 'siteorigin_panels_layouts_directory_url', $url );
$response = wp_remote_get( $url );
if ( is_array( $response ) && $response['response']['code'] == 200 ) {
$results = json_decode( $response['body'], true );
if ( ! empty( $results ) && ! empty( $results['items'] ) ) {
foreach ( $results['items'] as $item ) {
$item['id'] = $item['slug'];
$item['type'] = $type;
if( empty( $item['screenshot'] ) && ! empty( $item['preview'] ) ) {
$preview_url = add_query_arg( 'screenshot', 'true', $item[ 'preview' ] );
$item['screenshot'] = 'https://s.wordpress.com/mshots/v1/' . urlencode( $preview_url ) . '?w=700';
}
$return['items'][] = $item;
}
}
$return['max_num_pages'] = $results['max_num_pages'];
}
} elseif ( strpos( $type, 'clone_' ) !== false ) {
// Check that the user can view the given page types
$post_type = get_post_type_object( str_replace( 'clone_', '', $type ) );
if( empty( $post_type ) ) {
return;
}
$return['title'] = sprintf( __( 'Clone %s', 'siteorigin-panels' ), esc_html( $post_type->labels->singular_name ) );
global $wpdb;
$user_can_read_private = ( $post_type->name == 'post' && current_user_can( 'read_private_posts' ) || ( $post_type->name == 'page' && current_user_can( 'read_private_pages' ) ) );
$include_private = $user_can_read_private ? "OR posts.post_status = 'private' " : "";
// Select only the posts with the given post type that also have panels_data
$results = $wpdb->get_results( "
SELECT SQL_CALC_FOUND_ROWS DISTINCT ID, post_title, meta.meta_value
FROM {$wpdb->posts} AS posts
JOIN {$wpdb->postmeta} AS meta ON posts.ID = meta.post_id
WHERE
posts.post_type = '" . esc_sql( $post_type->name ) . "'
AND meta.meta_key = 'panels_data'
" . ( ! empty( $search ) ? 'AND posts.post_title LIKE "%' . esc_sql( $search ) . '%"' : '' ) . "
AND ( posts.post_status = 'publish' OR posts.post_status = 'draft' " . $include_private . ")
ORDER BY post_date DESC
LIMIT 16 OFFSET " . intval( ( $page_num - 1 ) * 16 ) );
$total_posts = $wpdb->get_var( "SELECT FOUND_ROWS();" );
foreach ( $results as $result ) {
$thumbnail = get_the_post_thumbnail_url( $result->ID, array( 400, 300 ) );
$return['items'][] = array(
'id' => $result->ID,
'title' => $result->post_title,
'type' => $type,
'screenshot' => ! empty( $thumbnail ) ? $thumbnail : ''
);
}
$return['max_num_pages'] = ceil( $total_posts / 16 );
} else {
// An invalid type. Display an error message.
}
// Add the search part to the title
if ( ! empty( $search ) ) {
$return['title'] .= __( ' - Results For:', 'siteorigin-panels' ) . ' <em>' . esc_html( $search ) . '</em>';
}
echo json_encode( $return );
wp_die();
}
/**
* Ajax handler to get an individual prebuilt layout
*/
function action_get_prebuilt_layout() {
if ( empty( $_REQUEST['type'] ) ) {
wp_die();
}
if ( empty( $_REQUEST['lid'] ) ) {
wp_die();
}
if ( empty( $_REQUEST['_panelsnonce'] ) || ! wp_verify_nonce( $_REQUEST['_panelsnonce'], 'panels_action' ) ) {
wp_die();
}
header( 'content-type: application/json' );
$panels_data = array();
$raw_panels_data = false;
if ( $_REQUEST['type'] == 'prebuilt' ) {
$layouts = apply_filters( 'siteorigin_panels_prebuilt_layouts', array() );
$lid = ! empty( $_REQUEST['lid'] ) ? $_REQUEST['lid'] : false;
if ( empty( $lid ) || empty( $layouts[ $lid ] ) ) {
wp_send_json_error( array(
'error' => true,
'message' => __( 'Missing layout ID or no such layout exists', 'siteorigin-panels' ),
) );
}
$layout = $layouts[ $_REQUEST['lid'] ];
// Fix the format of this layout
if( !empty( $layout[ 'filename' ] ) ) {
$filename = $layout[ 'filename' ];
// Only accept filenames that end with .json
if( substr( $filename, -5, 5 ) === '.json' && file_exists( $filename ) ) {
$panels_data = json_decode( file_get_contents( $filename ), true );
$layout[ 'widgets' ] = ! empty( $panels_data[ 'widgets' ] ) ? $panels_data[ 'widgets' ] : array();
$layout[ 'grids' ] = ! empty( $panels_data[ 'grids' ] ) ? $panels_data[ 'grids' ] : array();
$layout[ 'grid_cells' ] = ! empty( $panels_data[ 'grid_cells' ] ) ? $panels_data[ 'grid_cells' ] : array();
}
}
// A theme or plugin could use this to change the data in the layout
$panels_data = apply_filters( 'siteorigin_panels_prebuilt_layout', $layout, $lid );
// Remove all the layout specific attributes
if ( isset( $panels_data['name'] ) ) unset( $panels_data['name'] );
if ( isset( $panels_data['screenshot'] ) ) unset( $panels_data['screenshot'] );
if ( isset( $panels_data['filename'] ) ) unset( $panels_data['filename'] );
$raw_panels_data = true;
} elseif ( substr( $_REQUEST['type'], 0, 10 ) == 'directory-' ) {
$directory_id = str_replace( 'directory-', '', $_REQUEST['type'] );
$directories = $this->get_directories();
$directory = ! empty( $directories[ $directory_id ] ) ? $directories[ $directory_id ] : false;
if( ! empty( $directory ) ) {
$url = $directory[ 'url' ] . 'layout/' . urlencode( $_REQUEST[ 'lid' ] ) . '/?action=download';
if( ! empty( $directory[ 'args' ] ) && is_array( $directory[ 'args' ] ) ) {
$url = add_query_arg( $directory[ 'args' ], $url );
}
$response = wp_remote_get( $url );
if ( $response['response']['code'] == 200 ) {
// For now, we'll just pretend to load this
$panels_data = json_decode( $response['body'], true );
} else {
wp_send_json_error( array(
'error' => true,
'message' => __( 'There was a problem fetching the layout. Please try again later.', 'siteorigin-panels' ),
) );
}
}
$raw_panels_data = true;
} elseif ( current_user_can( 'edit_post', $_REQUEST['lid'] ) ) {
$panels_data = get_post_meta( $_REQUEST['lid'], 'panels_data', true );
// Clear id and timestamp for SO widgets to prevent 'newer content version' notification in widget forms.
foreach ( $panels_data['widgets'] as &$widget ) {
unset( $widget['_sow_form_id'] );
unset( $widget['_sow_form_timestamp'] );
}
}
if( $raw_panels_data ) {
// This panels_data is flagged as raw, so it needs to be processed.
$panels_data = apply_filters( 'siteorigin_panels_data', $panels_data, false );
$panels_data['widgets'] = SiteOrigin_Panels_Admin::single()->process_raw_widgets( $panels_data['widgets'], array(), true, true );
}
wp_send_json_success( $panels_data );
}
/**
* Ajax handler to import a layout
*/
function action_import_layout() {
if ( empty( $_REQUEST['_panelsnonce'] ) || ! wp_verify_nonce( $_REQUEST['_panelsnonce'], 'panels_action' ) ) {
wp_die();
}
if ( ! empty( $_FILES['panels_import_data']['tmp_name'] ) ) {
header( 'content-type:application/json' );
$json = file_get_contents( $_FILES['panels_import_data']['tmp_name'] );
$panels_data = json_decode( $json, true );
$panels_data = apply_filters( 'siteorigin_panels_data', $panels_data, false );
$panels_data['widgets'] = SiteOrigin_Panels_Admin::single()->process_raw_widgets( $panels_data['widgets'], array(), true, true );
$json = json_encode( $panels_data );
@unlink( $_FILES['panels_import_data']['tmp_name'] );
echo $json;
}
wp_die();
}
/**
* Export a given layout as a JSON file.
*/
function action_export_layout() {
if ( empty( $_REQUEST['_panelsnonce'] ) || ! wp_verify_nonce( $_REQUEST['_panelsnonce'], 'panels_action' ) ) {
wp_die();
}
$export_data = wp_unslash( $_POST['panels_export_data'] );
$decoded_export_data = json_decode( $export_data, true );
if ( ! empty( $decoded_export_data['name'] ) ) {
$decoded_export_data['id'] = sanitize_title_with_dashes( $decoded_export_data['name'] );
$filename = $decoded_export_data['id'];
} else {
$filename = 'layout-' . date( 'dmY' );
}
header( 'content-type: application/json' );
header( "Content-Disposition: attachment; filename=$filename.json" );
echo $export_data;
wp_die();
}
/**
* Enable the directory.
*/
function action_directory_enable() {
if ( empty( $_REQUEST['_panelsnonce'] ) || ! wp_verify_nonce( $_REQUEST['_panelsnonce'], 'panels_action' ) ) {
wp_die();
}
$user = get_current_user_id();
update_user_meta( $user, 'so_panels_directory_enabled', true );
wp_die();
}
/**
* Load a layout from a json file
*
* @param $id
* @param $name
* @param $json_file
* @param bool $screenshot
*
* @return array The data for the layout
*/
public static function load_layout($id, $name, $json_file, $screenshot = false) {
$layout_data = json_decode(file_get_contents($json_file), true);
$layout_data = apply_filters('siteorigin_panels_load_layout_' . $id, $layout_data);
$layout_data = array_merge(array(
'name' => $name,
'screenshot' => $screenshot,
), $layout_data);
return $layout_data;
}
}
|