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Directory >> /home/stfcnsvu/public_html/wp-content/plugins/updraftplus/central/modules/

File / Folder	Size	Action
.	-
analytics.php	13.121KB	edt ren
comments.php	26.946KB	edt ren
core.php	15.407KB	edt ren
media.php	19.517KB	edt ren
pages.php	0.448KB	edt ren
plugin.php	23.714KB	edt ren
posts.php	65.978KB	edt ren
theme.php	23.896KB	edt ren
updates.php	33.163KB	edt ren
users.php	18.663KB	edt ren

<?php

if (!defined('UPDRAFTCENTRAL_CLIENT_DIR')) die('No access.');

/**
 * Handles Posts Commands
 */
class UpdraftCentral_Posts_Commands extends UpdraftCentral_Commands {

protected $switched = false;

protected $post_type = 'post';

/**
	 * Function that gets called before every action
	 *
	 * @param string $command    a string that corresponds to UDC command to call a certain method for this class.
	 * @param array  $data       an array of data post or get fields
	 * @param array  $extra_info extrainfo use in the udrpc_action, e.g. user_id
	 *
	 * link to udrpc_action main function in class UpdraftCentral_Listener
	 */
	public function _pre_action($command, $data, $extra_info) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- This function is called from listener.php and $extra_info is being sent.
		// Here we assign the current blog_id to a variable $blog_id
		$blog_id = get_current_blog_id();
		if (!empty($data['site_id'])) $blog_id = $data['site_id'];
	
		if (function_exists('switch_to_blog') && is_multisite() && $blog_id) {
			$this->switched = switch_to_blog($blog_id);
		}
	}
	
	/**
	 * Function that gets called after every action
	 *
	 * @param string $command    a string that corresponds to UDC command to call a certain method for this class.
	 * @param array  $data       an array of data post or get fields
	 * @param array  $extra_info extrainfo use in the udrpc_action, e.g. user_id
	 *
	 * link to udrpc_action main function in class UpdraftCentral_Listener
	 */
	public function _post_action($command, $data, $extra_info) {// phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found, VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		// Here, we're restoring to the current (default) blog before we switched
		if ($this->switched) restore_current_blog();
	}

/**
	 * Returns the keys and fields names that are associated to a particular module type
	 *
	 * @param string $type The type of the module that the current request is processing
	 *
	 * @return array
	 */
	private function get_state_fields_by_type($type) {
		$state_fields = array(
			'post' => array(
				'validation_fields' => array('publish_posts', 'edit_posts', 'delete_posts'),
				'items_key' => 'posts',
				'count_key' => 'posts_count',
				'list_key' => 'posts',
				'result_key' => 'get',
				'error_key' => 'post_state_change_failed'
			),
			'page' => array(
				'validation_fields' => array('publish_pages', 'edit_pages', 'delete_pages'),
				'items_key' => 'pages',
				'count_key' => 'pages_count',
				'list_key' => 'pages',
				'result_key' => 'get',
				'error_key' => 'page_state_change_failed'
			)
		);

if (!isset($state_fields[$type])) return array();
		return $state_fields[$type];
	}

/**
	 * Fetch and retrieves posts based from the submitted parameters
	 *
	 * @param array $params Containing all the needed information to filter the results of the current request
	 * @return array
	 */
	public function get($params) {

$state_fields = $this->get_state_fields_by_type($this->post_type);
		if (empty($state_fields)) return $this->_generic_error_response('unsupported_type_on_get_posts');

$error = $this->_validate_capabilities($state_fields['validation_fields']);
		if (!empty($error)) return $error;

// check paged parameter; if empty set to defaults
		$paged = !empty($params['paged']) ? (int) $params['paged'] : 1;
		$numberposts = !empty($params['numberposts']) ? (int) $params['numberposts'] : 10;
		$offset = ($paged - 1) * $numberposts;

$args = array(
			'posts_per_page' => $numberposts,
			'paged' => $paged,
			'offset' => $offset,
			'post_type' => $this->post_type,
			'post_status' => 'publish,private,draft,pending,future',
		);

if (!empty($params['keyword'])) {
			$args['s'] = $params['keyword'];
		}

if ('post' == $this->post_type) {
			if (!empty($params['category'])) {
				$args['cat'] = (int) $params['category'];
			}
		}

if (!empty($params['date'])) {
			list($monthnum, $year) = explode(':', $params['date']);

$args['monthnum'] = $monthnum;
			$args['year'] = $year;
		}

if (!empty($params['status']) && 'all' !== $params['status']) {
			$args['post_status'] = $params['status'];
		}

$query = new WP_Query($args);
		$result = $query->posts;

$count_posts = (int) $query->found_posts;
		$page_count = 0;
		
		if ($count_posts > 0) {
			$page_count = absint($count_posts / $numberposts);
			$remainder = absint($count_posts % $numberposts);
			$page_count = ($remainder > 0) ? ++$page_count : $page_count;
		}
		
		$info = array(
			'page' => $paged,
			'pages' => $page_count,
			'results' => $count_posts,
			'items_from' => (($paged * $numberposts) - $numberposts) + 1,
			'items_to' => ($paged == $page_count) ? $count_posts : $paged * $numberposts,
		);

$posts = array();
		if (!empty($result)) {
			foreach ($result as $post) {
				// Pulling any other relevant and additional information regarding
				// the post before returning it in the response.
				$postdata = $this->get_postdata($post, false);
				if (!empty($postdata)) {
					array_push($posts, $postdata);
				}
			}
		}

$response = array(
			$state_fields['items_key'] => $posts,
			'options' => $this->get_options($this->post_type),
			'info' => $info,
			$state_fields['count_key'] => $this->get_post_status_counts($this->post_type)
		);

// Load any additional information if preload parameter is set. Will only be
		// requested on initial load of items in UpdraftCentral.
		if (isset($params['preload']) && $params['preload']) {
			$timeout = !empty($params['timeout']) ? $params['timeout'] : 30;
			$response = array_merge($response, $this->get_preload_data($timeout, $this->post_type));
		}

return $this->_response($response);
	}

/**
	 * Extracts public properties from complex object and return a simple
	 * object (stdClass) that contains the public properties of the original object.
	 *
	 * @param object $obj Any type of complex objects that needs converting (e.g. WP_Taxonomy, WP_Term or WP_User)
	 * @return stdClass
	 */
	protected function trim_object($obj) {
		// To preserve the object's accessibility through its properties we recreate
		// the object using the stdClass and fill it with the public properties
		// that will be extracted from the original object ($obj).
		$newObj = new stdClass();

if (is_object($obj)) {
			// Making sure that we only extract those publicly accessible properties excluding
			// the private, protected, static ones and methods.
			$props = get_object_vars($obj);
			if (!empty($props)) {
				foreach ($props as $key => $value) {
					$newObj->{$key} = $value;
				}
			}
		}

return $newObj;
	}

/**
	 * Retrieves information that will be preloaded in UC for quick and easy access
	 * when editing a certain page or post
	 *
	 * @param int    $timeout The user-defined timeout from UpdraftCentral
	 * @param string $type    The type of the module that the current request is processing
	 *
	 * @return array
	 */
	protected function get_preload_data($timeout, $type = 'post') {
		global $updraftcentral_host_plugin, $updraftcentral_main;

if (!function_exists('get_page_templates')) {
			require_once(ABSPATH.'wp-admin/includes/theme.php');
		}

$templates = ('post' == $type) ? get_page_templates(null, 'post') : get_page_templates();
		if (!empty($templates)) {
			$templates = array_flip($templates);
			if (!isset($templates['default'])) {
				$templates['default'] = $updraftcentral_host_plugin->retrieve_show_message('default_template');
			}
		}

// Preloading elements saves time and avoid unnecessary round trips to fetch
		// these information individually.
		$authors = $this->get_authors();
		$parent_pages = $this->get_parent_pages();

$data = array(
			'authors' => $authors['data']['authors'],
			'parent_pages' => $parent_pages['data']['pages'],
			'templates' => $templates,
			'editor_styles' => $this->get_editor_styles($timeout),
			'wp_version' => $updraftcentral_main->get_wordpress_version()
		);

if ('post' == $type) {
			$categories = $this->get_categories();
			$tags = $this->get_tags();

$data['taxonomies'] = $this->get_taxonomies();
			$data['categories'] = $categories['data'];
			$data['tags'] = $tags['data'];
		}

global $post;
		$context = class_exists('WP_Block_Editor_Context') ? new WP_Block_Editor_Context(array('post' => $post)) : $post;

// Load block patterns from w.org.
		if (function_exists('_load_remote_block_patterns')) _load_remote_block_patterns();
		if (function_exists('_load_remote_featured_patterns')) _load_remote_featured_patterns();

$block_types = class_exists('WP_Block_Type_Registry') ? WP_Block_Type_Registry::get_instance()->get_all_registered() : array();
		$block_patterns = class_exists('WP_Block_Patterns_Registry') ? WP_Block_Patterns_Registry::get_instance()->get_all_registered() : array();
		$block_pattern_categories = class_exists('WP_Block_Pattern_Categories_Registry') ? WP_Block_Pattern_Categories_Registry::get_instance()->get_all_registered() : array();
		$block_styles = class_exists('WP_Block_Styles_Registry') ? WP_Block_Styles_Registry::get_instance()->get_all_registered() : array();

$block_data = array(
			'block_categories' => get_block_categories($context),
			'block_definitions' => get_block_editor_server_block_settings(),
			'block_types' => $block_types,
			'block_patterns' => $block_patterns,
			'block_pattern_categories' => $block_pattern_categories,
			'block_styles' => $block_styles
		);
		$data = array_merge($data, $block_data);

return array(
			'preloaded' => json_encode($data)
		);
	}

/**
	 * Extract content from the given css path
	 *
	 * @param string $style   CSS file path
	 * @param int    $timeout The user-defined timeout from UpdraftCentral
	 * @return array
	 */
	protected function extract_css_content($style, $timeout) {

$content = '';
		if (1 === preg_match('~^(https?:)?//~i', $style)) {
			$response = wp_remote_get($style, array('timeout' => $timeout));
			if (!is_wp_error($response)) {
				$result = trim(wp_remote_retrieve_body($response));
				if (!empty($result)) $content = $result;
			}
		} else {
			// Editor styles that resides in "css/dist"
			if (false !== ($pos = stripos($style, 'css/dist'))) {
				$file = ABSPATH.WPINC.substr_replace($style, '/', 0, $pos);
			} else {
				// Styles that resides in "wp-content/themes" (coming from $editor_styles global var)
				$file = get_theme_file_path($style);
			}

$is_valid = (function_exists('is_file')) ? is_file($file) : file_exists($file);
			if ($is_valid) {
				$result = trim(file_get_contents($file));
				if (!empty($result)) $content = $result;
			}
		}

return $this->extract_custom_fonts($this->filter_url($content));
	}

/**
	 * Extract custom fonts defined within the css content. Basically,
	 * separating custom font (@font-face) rules from the Style/css content.
	 *
	 * @param string $content Style content
	 * @return array
	 */
	protected function extract_custom_fonts($content) {
		$fonts = array();
		while ($start = strpos($content, '@font-face')) {
			$end = strpos($content, '}', $start) + 1;
			$length = $end - $start;

$font = substr($content, $start, $length);
			$fonts[]= $this->update_font_src($font);

$content = str_replace($font, '', $content);
		}

return array(
			'content' => $content,
			'fonts' => $fonts
		);
	}

/**
	 * Updates the font URL to point to the UpdraftCentral "load_font" action
	 *
	 * @param string $font Font-face definition/content
	 * @return string
	 */
	protected function update_font_src($font) {
		$start = strpos($font, 'src:') + 4;
		$end = strpos($font, ';', $start);
		$length = $end - $start;

$src = trim(substr($font, $start, $length));
		$temp = explode(' ', $src);
		preg_match('/^url$(.*)$$/i', $temp[0], $matches);

$url = '';
		if (!empty($matches)) {
			$url = trim(trim($matches[1], "'"), '"');
			if (strlen($url)) {
				$font_url = 'CENTRAL_URL/?udcentral_action=load_font&font='.urlencode($url);
				$font = str_replace($url, $font_url, $font);
			}
		}
		return $font;
	}

/**
	 * Convert URL entries contained in the CSS content to absolute URLs
	 *
	 * @param string $content The content of the CSS file
	 * @return string
	 */
	protected function filter_url($content) {

// Replace with valid URL (absolute)
		preg_match_all('~url$(.+?)$~i', $content, $all_matches);
		if (!empty($all_matches) && isset($all_matches[1])) {
			$urls = array_unique($all_matches[1]);
			foreach ($urls as $url) {
				$url = str_replace('"', '', $url);
				if (false !== strpos($url, 'data:')) continue;

if (1 !== preg_match('~^(https?:)?//~i', $url)) {
					if (1 === preg_match('~(plugins|themes)~i', $url, $matches)) {
						if (false !== ($pos = stripos($url, $matches[1]))) {
							if (!function_exists('content_url')) {
								require_once ABSPATH.WPINC.'/link-template.php';
							}

$absolute_url = rtrim(content_url(), '/').substr_replace($url, '/', 0, $pos);
							$content = str_replace($url, $absolute_url, $content);
						}
					} else {
						$path = preg_replace('~(\.+\/)~', '', $url);
						$dirpath = trailingslashit(get_stylesheet_directory());
						if (!file_exists($dirpath.$url)) $path = $this->resolve_path($path);

$absolute_url = (!empty($path)) ? trailingslashit(get_stylesheet_directory_uri()).ltrim($path, '/') : '';
						$content = str_replace($url, $absolute_url, $content);
					}
				}
			}
		}

return $content;
	}

/**
	 * Resolve URL to its actual absolute path
	 *
	 * @param string $path Some relative path to check
	 * @return string
	 */
	protected function resolve_path($path) {
		$dir = trailingslashit(get_stylesheet_directory());
		// Some relative paths declared within the css file (e.g. only has '../fonts/etc/', called deep down from a subfolder) where parent
		// subfolder is not articulated needs to be resolve further to get its actual absolute path. Using glob will pinpoint its actual location
		// rather than iterating through a series of sublevels just to find the actual file.
		$result = str_replace($dir, '', glob($dir.'{,*/}{'.$path.'}', GLOB_BRACE));
		
		if (!empty($result)) return $result[0];
		return false;
	}

/**
	 * Retrieves block editor assets for iframe.
	 *
	 * @return string
	 */
	protected function get_iframed_editor_assets() {
		$script_handles = array();
		$style_handles  = array(
			'wp-block-editor',
			'wp-block-library',
			'wp-block-library-theme',
			'wp-edit-blocks',
		);

if (class_exists('WP_Block_Type_Registry')) {
			$block_registry = WP_Block_Type_Registry::get_instance();
			foreach ($block_registry->get_all_registered() as $block_type) {
				if (!empty($block_type->style)) {
					if (is_array($block_type->style)) {
						$style_handles = array_merge($style_handles, $block_type->style);
					} else {
						$style_handles[] = $block_type->style;
					}
				}

if (!empty($block_type->editor_style)) {
					if (is_array($block_type->editor_style)) {
						$style_handles = array_merge($style_handles, $block_type->editor_style);
					} else {
						$style_handles[] = $block_type->editor_style;
					}
				}

if (!empty($block_type->script)) {
					if (is_array($block_type->script)) {
						$script_handles = array_merge($script_handles, $block_type->script);
					} else {
						$script_handles[] = $block_type->script;
					}
				}
			}
		}

$style_handles = array_unique($style_handles);
		$done = wp_styles()->done;

ob_start();
		// We do not need reset styles for the iframed editor.
		wp_styles()->done = array('wp-reset-editor-styles');
		wp_styles()->do_items($style_handles);
		wp_styles()->done = $done;
		$styles = ob_get_clean();

$script_handles = array_unique($script_handles);
		$done = wp_scripts()->done;

ob_start();
		wp_scripts()->done = array();
		wp_scripts()->do_items($script_handles);
		wp_scripts()->done = $done;
		$scripts = ob_get_clean();

return wp_json_encode(array(
			'styles' => $styles,
			'scripts' => $scripts,
		));
	}

/**
	 * Retrieve the editor styles/assets to be use by UpdraftCentral when editing a post
	 *
	 * @param int $timeout The user-defined timeout from UpdraftCentral
	 * @return array()
	 */
	protected function get_editor_styles($timeout) {
		global $editor_styles, $wp_styles;
		$editing_styles = $loaded = array();
		$fonts = '';

$required = array('css/dist/editor/style.css', 'css/dist/block-library/style.css', 'css/dist/block-library/theme.css');
		foreach ($required as $style) {
			$result = $this->extract_css_content($style, $timeout);
			if (!empty($result['fonts'])) $fonts .= implode('', $result['fonts']);
			$editing_styles[] = array('css' => $result['content'], 'inline' => '');
		};

do_action('enqueue_block_assets');
		do_action('enqueue_block_editor_assets');
		do_action('wp_enqueue_scripts');

// Checking for editor styles support since styles may vary from theme to theme
		if ($editor_styles) {
			foreach ($editor_styles as $style) {
				if (false !== array_search($style, $loaded)) continue;

$result = $this->extract_css_content($style, $timeout);
				if (!empty($result['fonts'])) $fonts .= implode('', $result['fonts']);
				$editing_styles[] = array('css' => $result['content'], 'inline' => '');
				$loaded[] = $style;
			}
		}

if ($wp_styles) {
			foreach ($wp_styles->queue as $handle) {
				$style = $wp_styles->registered[$handle]->src;
				if (false !== array_search($style, $loaded)) continue;
	
				$result = $this->extract_css_content($style, $timeout);
				if (!empty($result['fonts'])) $fonts .= implode('', $result['fonts']);

$inline_style = $wp_styles->print_inline_style($handle, false);
				if ($inline_style) {
					$inline_result = $this->extract_custom_fonts($inline_style);
					if (!empty($inline_result['fonts'])) $fonts .= implode('', $inline_result['fonts']);
				}

$editing_styles[] = array(
					'css' => $result['content'],
					'inline' => (!$inline_style) ? '' : $inline_result['content']
				);
				$loaded[] = $style;
			}
		}

// Introduced in 5.9.0
		if (function_exists('wp_get_global_stylesheet')) {
			$result = $this->extract_custom_fonts(wp_get_global_stylesheet());
			if (!empty($result['fonts'])) $fonts .= implode('', $result['fonts']);
			$editing_styles[] = array('css' => $result['content'], 'inline' => '');
		}

// Introduced in 5.8.0
		if (function_exists('get_block_editor_settings')) {
			$block_editor_context = new WP_Block_Editor_Context();
			$settings = get_block_editor_settings(array(), $block_editor_context);
			
			// Don't render but instead attached to the editor before load.
			// We let the editor render these kind of styles as they need to be prefixed
			// by the editor based on the current context.
			//
			// N.B. Leave the 'css' property empty. It is used for downward compatibility.
			$editing_styles[] = array('editor_css' => $settings['styles'], 'inline' => '', 'css' => '');

// Get editor assets (e.g. styles) for iframe, mostly used for previewing blocks and patterns
			$editing_styles[] = array('editor_assets' => $this->get_iframed_editor_assets(), 'inline' => '', 'css' => '');
		}

$result = $this->extract_css_content('/style.css', $timeout);
		if (!empty($result['fonts'])) $fonts .= implode('', $result['fonts']);

$editing_styles[] = array('css' => $result['content'], 'inline' => '');
		if (strlen($fonts)) {
			$editing_styles[] = array('font_css' => $fonts, 'inline' => '', 'css' => '');
		}

// These styles are used if the "no theme styles" options is triggered or on
		// themes without their own editor styles.
		$default_editor_styles_file = ABSPATH.WPINC.'/css/dist/block-editor/default-editor-styles.css';
		if (file_exists($default_editor_styles_file)) {
			$editing_styles[] = array('default_editor_css' => file_get_contents($default_editor_styles_file), 'inline' => '', 'css' => '');
		}

// Extract fonts from theme.json if the current theme supports it
		$resolver = ABSPATH.WPINC.'/class-wp-theme-json-resolver.php';
		if (!class_exists('WP_Theme_JSON_Resolver') && file_exists($resolver)) {
			require_once($resolver);
		}

$theme_has_support = false;
		if (function_exists('wp_theme_has_theme_json')) {
			$theme_has_support = wp_theme_has_theme_json();
		} else {
			if (class_exists('WP_Theme_JSON_Resolver')) {
				$theme_has_support = WP_Theme_JSON_Resolver::theme_has_support();
			}
		}

if (class_exists('WP_Theme_JSON_Resolver') && $theme_has_support) {
			$theme_json = ABSPATH.WPINC.'/class-wp-theme-json.php';
			if (!class_exists('WP_Theme_JSON') && file_exists($theme_json)) require_once($theme_json);

$theme_json_instance = WP_Theme_JSON_Resolver::get_theme_data();
			if ($theme_json_instance) {
				$settings = $theme_json_instance->get_settings();
				$theme_fonts = '';
				
				if (isset($settings['typography']) && isset($settings['typography']['fontFamilies'])) {
					$font_families = $settings['typography']['fontFamilies'];
					if (isset($font_families['theme'])) {
						foreach ($font_families['theme'] as $theme) {
							if (isset($theme['fontFace'])) {
								foreach ($theme['fontFace'] as $font) {
									$theme_fonts .= '@font-face {';
									$keys = array_keys($font);

foreach ($keys as $key) {
										if (false !== stripos($key, 'font')) {
											$prop = 'font-'.strtolower(str_replace('font', '', $key));
											$theme_fonts .= $prop.': '.$font[$key].';';
										} elseif (false !== stripos($key, 'src')) {
											foreach ($font['src'] as $src_file) {
												$url = trailingslashit(get_stylesheet_directory_uri()).str_replace('file:./', '', $src_file);
												$theme_fonts .= 'src: url(CENTRAL_URL/?udcentral_action=load_font&font='.urlencode($url).');';
											}
										}
									}
									$theme_fonts .= '}';
								}
							}
						}
					}
				}
				$editing_styles[] = array('theme_json_fonts' => $theme_fonts, 'inline' => '', 'css' => '');
			}
		}

return $editing_styles;
	}

/**
	 * Retrieves the total number of items found under each post statuses
	 *
	 * @param string $type The type of the module that the current request is processing
	 *
	 * @return array
	 */
	protected function get_post_status_counts($type = 'post') {
		$posts = wp_count_posts($type);

$publish = (int) $posts->publish;
		$private = (int) $posts->private;
		$draft = (int) $posts->draft;
		$pending = (int) $posts->pending;
		$future = (int) $posts->future;
		$trash = (int) $posts->trash;

// We exclude "trash" from the overall total as WP doesn't actually
		// consider or include it in the total count.
		$all = $publish + $private + $draft + $pending + $future;

return array(
			'all' => $all,
			'publish' => $publish,
			'private' => $private,
			'draft' => $draft,
			'pending' => $pending,
			'future' => $future,
			'trash' => $trash,
		);
	}

/**
	 * Retrieves a collection of formatted dates found for the given post statuses.
	 * It will be used as options for the date filter when managing the posts in UpdraftCentral.
	 *
	 * @param string $type The type of the module that the current request is processing
	 *
	 * @return array
	 */
	protected function get_date_options($type = 'post') {
		global $wpdb;

$date_options = $wpdb->get_col("SELECT DATE_FORMAT(`post_date`, '%M %Y') as `formatted_post_date` FROM {$wpdb->posts} WHERE `post_type` = '{$type}' AND `post_status` IN ('publish', 'private', 'draft', 'pending', 'future') GROUP BY `formatted_post_date` ORDER BY `post_date` DESC");

return $date_options;
	}

/**
	 * Make sure that we have the required fields to use in UpdraftCentral for
	 * displaying the categories and tags sections. Add if missing.
	 *
	 * @param object $item Taxonomy item to check
	 * @return object
	 */
	protected function map_tax($item) {
		$taxs = array('category' => 'categories', 'post_tag' => 'tags');
		if (array_key_exists($item->name, $taxs)) {
			if (!isset($item->show_in_rest)) $item->show_in_rest = true;
			if (!isset($item->rest_base)) $item->rest_base = $taxs[$item->name];
		}

return $item;
	}

/**
	 * Fetch and retrieves available taxonomies for this site and some capabilities specific
	 * to tags and categories when managing them.
	 *
	 * @return array
	 */
	protected function get_taxonomies() {
		$taxonomies = get_taxonomies(array(), 'objects');
		$taxonomies = array_map(array($this, 'map_tax'), $taxonomies);

$response = array(
			'taxonomies' => $taxonomies,
			'current_user_cap' => array(
				'manage_categories' => current_user_can('manage_categories'),
				'edit_categories' => current_user_can('edit_categories'),
				'delete_categories' => current_user_can('delete_categories'),
				'assign_categories' => current_user_can('assign_categories'),
				'manage_post_tags' => current_user_can('manage_post_tags'),
				'edit_post_tags' => current_user_can('edit_post_tags'),
				'delete_post_tags' => current_user_can('delete_post_tags'),
				'assign_post_tags' => current_user_can('assign_post_tags'),
			)
		);

return $response;
	}

/**
	 * Fetch and retrieves categories based from the submitted parameters
	 *
	 * @param array $query Containing all the needed information to filter the results of the current request
	 * @return array
	 */
	public function get_categories($query = array()) {
		$page = !empty($query['page']) ? (int) $query['page'] : 1;
		$items_per_page = !empty($query['per_page']) ? (int) $query['per_page'] : 100;
		$offset = ($page - 1) * $items_per_page;
		$order = !empty($query['order']) ? $query['order'] : 'asc';
		$orderby = !empty($query['orderby']) ? $query['orderby'] : 'name';

$args = array(
			'hide_empty' => false,
			'orderby' => $orderby,
			'order' => $order,
			'number' => $items_per_page,
			'offset' => $offset
		);

$categories = get_categories($args);
		$category_options = array();

if (!empty($categories)) {
			foreach ($categories as $key => $term) {
				$parent_term = get_term((int) $term->parent, $term->taxonomy);
				if (!is_wp_error($parent_term) && !is_null($parent_term)) {
					$parent_term = json_encode($this->trim_object($parent_term));
				} else {
					$parent_term = '';
				}

$category_options[] = array(
					'id' => $term->term_id,
					'name' => $term->name,
					'parent' => $term->parent
				);

$categories[$key] = array(
					'term' => json_encode($this->trim_object($term)),
					'misc' => array(
						'link' => get_term_link($term),
						'parent_term' => $parent_term,
						'taxonomy' => $term->taxonomy
					)
				);
			}
		}

$categorytax = get_taxonomy('category');
		$parent_dropdown_args = array(
			'taxonomy'         => 'category',
			'hide_empty'       => 0,
			'name'             => 'newcategory_parent',
			'orderby'          => 'name',
			'hierarchical'     => 1,
			'show_option_none' => '&mdash; '.$categorytax->labels->parent_item.' &mdash;',
			'echo'			   => false
		);

$parent_dropdown_args = apply_filters('post_edit_category_parent_dropdown_args', $parent_dropdown_args);
		$parent_dropdown = wp_dropdown_categories($parent_dropdown_args);

if (!function_exists('wp_popular_terms_checklist')) {
			require_once ABSPATH . 'wp-admin/includes/template.php';
		}

ob_start();
		wp_popular_terms_checklist('category');
		$popular_terms_checklist = ob_get_contents();
		ob_end_clean();

return $this->_response(array(
			'terms' => $categories,
			'misc' => array(
				'formatted' => $category_options,
				'raw' => $categories,
				'tax' => json_encode($this->trim_object($categorytax)),
				'popular' => $popular_terms_checklist,
				'parent_dropdown' => $parent_dropdown,
				'capabilities' => array(
					'can_edit_terms' => current_user_can($categorytax->cap->edit_terms)
				)
			)
		));
	}

/**
	 * Fetch and retrieves tags based from the submitted parameters
	 *
	 * @param array $query Containing all the needed information to filter the results of the current request
	 * @return array
	 */
	public function get_tags($query = array()) {
		$page = !empty($query['page']) ? (int) $query['page'] : 1;
		$items_per_page = !empty($query['per_page']) ? (int) $query['per_page'] : 100;
		$offset = ($page - 1) * $items_per_page;
		$order = !empty($query['order']) ? $query['order'] : 'desc';
		$orderby = !empty($query['orderby']) ? $query['orderby'] : 'count';

$args = array(
			'hide_empty' => false,
			'orderby' => $orderby,
			'order' => $order,
			'number' => $items_per_page,
			'offset' => $offset
		);

$tags = get_tags($args);
		$tag_options = array();
		$tag_cloud = '';

if (!empty($tags)) {
			$tags_for_cloud = array();
			foreach ($tags as $key => $term) {
				if (!isset($term->link)) $term->link = get_tag_link($term->term_id);
				array_push($tags_for_cloud, $term);

$parent_term = get_term((int) $term->parent, $term->taxonomy);
				if (!is_wp_error($parent_term) && !is_null($parent_term)) {
					$parent_term = json_encode($this->trim_object($parent_term));
				} else {
					$parent_term = '';
				}

$tag_options[] = array(
					'id' => $term->term_id,
					'name' => $term->name,
				);

$tags[$key] = array(
					'term' => json_encode($this->trim_object($term)),
					'misc' => array(
						'link' => get_term_link($term),
						'parent_term' => $parent_term,
						'taxonomy' => $term->taxonomy
					)
				);
			}

add_filter('tag_cloud_sort', array($this, 'sort_tag_cloud'), 9, 2);

if (!function_exists('wp_generate_tag_cloud')) {
				require_once ABSPATH.WPINC.'/category-template.php';
			}

$tag_cloud = wp_generate_tag_cloud($tags_for_cloud, array(
				'smallest' => 10,
				'largest' => 22,
				'unit' => 'pt',
				'number' => 10,
				'format' => 'flat',
				'separator' => " ",
				'orderby' => 'count',
				'order' => 'DESC',
				'show_count' => 1,
				'echo' => false
			));
		}

$tagtax = get_taxonomy('post_tag');
		return $this->_response(array(
			'terms' => $tags,
			'misc' => array(
				'formatted' => $tag_options,
				'raw' => $tags,
				'tax' => json_encode($this->trim_object($tagtax)),
				'tag_cloud' => $tag_cloud,
				'capabilities' => array(
					'can_assign_terms' => current_user_can($tagtax->cap->assign_terms)
				)
			)
		));
	}

/**
	 * Sorts the tag items that are to be shown within the tag cloud
	 *
	 * @param array $tags The array to be sorted. Contains the tag items
	 * @param array $args Additional parameters needed for the sorting process
	 * @return array
	 */
	public function sort_tag_cloud($tags, $args) {
		uasort($tags, array($this, '_wp_object_count_sort_cb'));
		if ('DESC' === $args['order']) {
			$tags = array_reverse($tags, true);
		}

return $tags;
	}

/**
	 * Serves as a callback for comparing objects based on count. Copied from WordPress 5.7
	 * core (wp-includes/category-template.php) and tweaked to return integer instead of boolean
	 * because returning boolean using uasort is now DEPRECATED in PHP 8.
	 *
	 * Used with `uasort()`.
	 *
	 * @since 3.1.0
	 * @access private
	 *
	 * @param object $a The first object to compare.
	 * @param object $b The second object to compare.
	 * @return bool Whether the count value for `$a` is greater than the count value for `$b`.
	 */
	public function _wp_object_count_sort_cb($a, $b) {
		if ($a->count == $b->count) {
			return 0;
		}
		return ( $a->count > $b->count ) ? 1 : -1;
	}

/**
	 * Fetch all available taxonomies and terms information for the given post object
	 *
	 * @param array $post The "Post" object to use when retrieving the information
	 * @return array
	 */
	protected function get_taxonomies_terms($post) {
		$taxonomies = get_object_taxonomies($post->post_type, 'objects');
		$taxonomies = array_map(array($this, 'map_tax'), $taxonomies);

$taxonomy_names = array();
		$taxonomy_terms = array();
		$taxonomy_caps = array();

foreach ($taxonomies as $taxonomy) {
			$terms = get_the_terms($post->ID, $taxonomy->name);
			$terms = !is_array($terms) ? (array) $terms : $terms;

$taxonomy_terms[$taxonomy->name] = $terms;
			$taxonomy_caps[$taxonomy->name] = array(
				'hierarchical' => is_taxonomy_hierarchical($taxonomy->name),
				'edit_terms' => current_user_can($taxonomy->cap->edit_terms),
				'assign_terms' => current_user_can($taxonomy->cap->assign_terms),
			);
			array_push($taxonomy_names, $taxonomy->name);
		}

return array(
			'objects' => $taxonomies,
			'names' => $taxonomy_names,
			'terms' => $taxonomy_terms,
			'caps' => $taxonomy_caps,
		);
	}

/**
	 * Take over the current editing of the post
	 *
	 * @param array	$params	An array of data that serves as parameters for the given request
	 * @return array
	 */
	public function take_over($params) {

$error = $this->_validate_capabilities(array('edit_'.$this->post_type.'s'));
		if (!empty($error)) return $error;

$result = array('lock_acquired' => false);
		if (!empty($params['post_id'])) {
			if (!function_exists('wp_set_post_lock')) {
				require_once ABSPATH.'wp-admin/includes/post.php';
			}
			$lock = wp_set_post_lock($params['post_id']);

if (!empty($lock)) {
				$result = array(
					'lock_acquired' => true,
					'details' => $lock
				);
			}
		}

return $this->_response($result);
	}

/**
	 * Retrieves the underlying data for the given post. Some extra information are
	 * passed along that will be consumed by the editor in UpdraftCentral
	 *
	 * @param int|object $param  Post object or a post ID
	 * @param boolean    $encode True to encode the post object, false otherwise
	 * @return array
	 */
	public function get_postdata($param, $encode = true) {
		$response = array();

if (is_object($param) && isset($param->ID)) {
			$post = $param;
		} elseif (is_numeric($param)) {
			$post = get_post($param);
		}

if ($post) {
			$post_type_obj = get_post_type_object($post->post_type);
			
			$is_post_type_viewable = false;
			if (!empty($post_type_obj)) {
				$is_post_type_viewable = $post_type_obj->publicly_queryable || ($post_type_obj->_builtin && $post_type_obj->public);
			}

if (!function_exists('get_sample_permalink')) {
				require_once ABSPATH.'wp-admin/includes/post.php';
			}

// Validate template exists on the current theme, otherwise,
			// reset the template to default.
			$template = get_page_template_slug($post->ID);
			if (!empty($template)) {
				$page_templates = wp_get_theme()->get_page_templates($post);
				if ('default' != $template && !isset($page_templates[$template])) {
					update_post_meta($post->ID, '_wp_page_template', 'default');
				}
			}

$published_date = array(
				'jj' => date('d', strtotime($post->post_date)),
				'mm' => date('m', strtotime($post->post_date)),
				'aa' => date('Y', strtotime($post->post_date)),
				'hh' => date('H', strtotime($post->post_date)),
				'mn' => date('i', strtotime($post->post_date)),
				'ss' => date('s', strtotime($post->post_date))
			);

$sample_permalink = get_sample_permalink($post->ID, $post->post_title, '');
			$permalink = get_permalink($post->ID);
			$slug = $post->post_name;

if (!empty($sample_permalink) && !empty($slug)) {
				if (isset($sample_permalink[0])) {
					if (false !== stripos($sample_permalink[0], '%pagename%/') || false !== stripos($sample_permalink[0], '%postname%/')) {
						$token = (false !== stripos($sample_permalink[0], '%pagename%/')) ? '%pagename%/' : '%postname%/';
						$permalink = str_replace($token, '', $sample_permalink[0]).$slug;
					}
				}
			}

$editor = null;
			$editor_id = wp_check_post_lock($post->ID);
			if ($editor_id) {
				$editor = get_userdata($editor_id);
				if (!$editor) {
					// The user with lock does not exist. This can happen if you created a backup or clone
					// where you excluded the users table during the process and you restore this backup to
					// a different site or the user was deleted or removed more recently. Thus, we will
					// release the lock so that other users with the right permission can edit the post.
					delete_post_meta($post->ID, '_edit_lock');
				}
			}

$response = array(
				'post' => $encode ? json_encode($post) : $post,
				'misc' => array(
					'guid_rendered' => apply_filters('get_the_guid', $post->guid, $post->ID),
					'link' => $permalink,
					'slug' => $slug,
					'site_url' => site_url('/'),
					'title_rendered' => get_the_title($post->ID),
					'content_rendered' => apply_filters('the_content', $post->post_content),
					'excerpt' => $post->post_excerpt,
					'featured_media' => 0,
					'sticky' => is_sticky($post->ID),
					'template' => get_page_template_slug($post->ID),
					'permalink_template' => get_permalink($post->ID, true),
					'author_name' => get_the_author_meta('display_name', $post->post_author),
					'publish_month_year' => date('F Y', strtotime($post->post_date)),
					'published_date' => $published_date,
					'format' => get_post_format($post->ID),
					'post_type_name' => $post_type_obj->name,
					'post_type_viewable' => $is_post_type_viewable,
					'post_type_public' => $post_type_obj->public,
					'post_type_hierarchical' => $post_type_obj->hierarchical,
					'sample_permalink' => get_sample_permalink($post->ID, $post->post_title, ''),
					'post_password_required' => post_password_required($post),
					'post_type_supports_authors' => post_type_supports($post->post_type, 'author'),
					'post_type_supports_comments' => post_type_supports($post->post_type, 'comments'),
					'post_type_supports_revisions' => post_type_supports($post->post_type, 'revisions'),
					'post_revisions' => array(),	// N.B. We're not going to allow revisions editing for now
					'post_thumbnail_id' => get_post_thumbnail_id($post->ID),
					'can_publish_posts' => current_user_can($post_type_obj->cap->publish_posts),
					'can_edit_others_posts' => current_user_can($post_type_obj->cap->edit_others_posts),
					'can_unfiltered_html' => current_user_can('unfiltered_html'),
					'is_edited' => $editor ? 1 : 0,
					'editor_id' => $editor_id,
					'editor' => $editor,
					'edited_by_id' => $editor ? $editor->ID : 0,
					'edited_by_display_name' => $editor ? $editor->display_name : '',
				)
			);

if ('post' == $post->post_type) {
				$taxonomies = $this->get_taxonomies_terms($post);
				$response['misc']['taxonomy_objects'] = $taxonomies['objects'];
				$response['misc']['taxonomy_names'] = $taxonomies['names'];
				$response['misc']['taxonomy_terms'] = $taxonomies['terms'];
				$response['misc']['taxonomy_caps'] = $taxonomies['caps'];

if (!function_exists('wp_popular_terms_checklist') || !function_exists('get_terms_to_edit')) {
					require_once ABSPATH . 'wp-admin/includes/template.php';
					require_once ABSPATH . 'wp-admin/includes/taxonomy.php';
				}
	
				if (!function_exists('wp_get_post_categories')) {
					require_once(ABSPATH.WPINC.'/post.php');
				}
	
				$categories = wp_get_post_categories($post->ID, array('fields' => 'ids'));
				if (!is_wp_error($categories)) {
					$response['misc']['categories'] = empty($categories) ? array() : $categories;
					$terms_to_edit = get_terms_to_edit($post->ID, 'category');
					if (!empty($terms_to_edit)) {
						$response['misc']['categories_list'] = str_replace(',', ', ', $terms_to_edit);
					}
	
					$popular_ids = wp_popular_terms_checklist('category', 0, 10, false);
					// On WP 3.4 the "wp_terms_checklist" doesn't have an "echo" parameter and will automatically
					// display the rendered checklist. Therefore, we're going to pull the terms so that all
					// versions starting from WP 3.4 will pull the content instead of displaying them.
	
					ob_start();
					// In this call we'll have to set the "echo" parameter to true so that later version of WP
					// will be able to catch and process it.
					wp_terms_checklist($post->ID, array('taxonomy' => 'category', 'popular_cats' => $popular_ids, 'echo' => true));
					$popular_checklist = ob_get_contents();
					ob_end_clean();
	
					$response['misc']['categories_checklist'] = $popular_checklist;
	
					ob_start();
					wp_terms_checklist($post->ID, array('taxonomy' => 'category', 'checked_ontop' => 0, 'echo' => true));
					$quickedit_checklist = ob_get_contents();
					ob_end_clean();
	
					$response['misc']['categories_quickedit_checklist'] = $quickedit_checklist;
				}
	
				$tags = wp_get_post_tags($post->ID, array('fields' => 'ids'));
				if (!is_wp_error($tags)) {
					$response['misc']['tags'] = empty($tags) ? array() : $tags;
					$terms_to_edit = get_terms_to_edit($post->ID, 'post_tag');
					if (!empty($terms_to_edit)) {
						$response['misc']['tags_list'] = str_replace(',', ', ', $terms_to_edit);
					}
				}
			}

// Naturally, the "featured_media" will suffice when loading the image (media) in
			// UpdraftCentral since the value in this field is the actual image id of the featured
			// media used in UC. If we currently don't have an entry in the "featured_media_updraftcentral" meta,
			// then UC will need to download the featured media (image) for this current post/page
			// using the "featured_media_url" field (below) if not empty.
			$featured_media = get_post_meta($post->ID, 'featured_media_updraftcentral', true);
			if (!empty($featured_media)) {
				$response['misc']['featured_media'] = $featured_media;
			}

// Retrieve featured media if currently present for the given post/page.
			// If present, we pull the image (media) URL in case there's a need for
			// UpdraftCentral to download the image upon loading the editor (e.g. the featured_media id
			// above no longer exists).
			$media_id = (int) get_post_thumbnail_id($post->ID);
			if (!empty($media_id)) {
				$response['misc']['featured_media_url'] = wp_get_attachment_url($media_id);
			} else {
				// The post/page no longer has a "featured_media" or doesn't have one currently, therefore,
				// we're going to set the "featured_media" and "featured_media_url" fields to both empty to
				// to avoid any further actions (e.g. download media).
				$response['misc']['featured_media'] = 0;
				$response['misc']['featured_media_url'] = '';
			}
		}

return $response;
	}

/**
	 * Changes the state/status of the submitted post(s)
	 *
	 * @param array	$params	An array of data that serves as parameters for the given request
	 * @return array
	 */
	public function set_state($params) {

$state_fields = $this->get_state_fields_by_type($this->post_type);
		if (empty($state_fields)) return $this->_generic_error_response('unsupported_type_on_set_state');

$error = $this->_validate_capabilities($state_fields['validation_fields']);
		if (!empty($error)) return $error;

$result = array();
		if (!empty($params['list'])) {
			$posts = array();
			foreach ($params['list'] as $id) {
				$post = $this->apply_state($id, $params['action'], $this->post_type);
				if (!empty($post)) {
					array_push($posts, $post);
				}
			}

if (!empty($posts)) {
				$result = array($state_fields['list_key'] => $posts);
			}
		} elseif (!empty($params['id'])) {
			$post = $this->apply_state($params['id'], $params['action'], $this->post_type);
			if (!empty($post)) $result = $post;
		}

if (!empty($result)) {
			$response = $this->get($params);
			if (!empty($response['response']) && 'rpcok' === $response['response']) {
				$result[$state_fields['result_key']] = $response['data'];
			}

return $this->_response($result);
		} else {
			return $this->_generic_error_response($state_fields['error_key'], array('action' => $params['action']));
		}
	}

/**
	 * Creates new category
	 *
	 * @param array	  $params	     An array of data that serves as parameters for the given request
	 * @param boolean $wrap_response Indicates whether to wrap the response based on local or UpdraftCentral calls. Default true.
	 * @return array
	 */
	public function add_category($params, $wrap_response = true) {
		$error = $this->_validate_capabilities(array('manage_categories'));
		if (!empty($error)) return $error;

$name = sanitize_text_field($params['name']);
		$args = array();
		if (!empty($params['parent'])) {
			$args['parent'] = $params['parent'];
		}

$result = wp_insert_term($name, 'category', $args);
		if (!is_wp_error($result)) {
			$term_id = $result['term_id'];
			$term = get_term($term_id, 'category');

$data = array();
			if (!is_wp_error($term)) {
				$data = array(
					'id' => $term->term_id,
					'count' => $term->count,
					'description' => $term->description,
					'link' => get_term_link($term->term_id, 'category'),
					'name' => $term->name,
					'slug' => $term->slug,
					'taxonomy' => $term->taxonomy,
					'parent' => $term->parent,
					'meta' => array()
				);

$categories = $this->get_categories();
				if ($wrap_response) $data['categories'] = json_encode($categories['data']);
			}

return $wrap_response ? $this->_response($data) : $data;
		} else {
			$error = array(
				'message' => $result->get_error_message()
			);

return $wrap_response ? $this->_generic_error_response('post_add_category_failed', $error) : $error;
		}
	}

/**
	 * Assigns categories to a certain post object
	 *
	 * @param int	$post_id	  The ID of the post object
	 * @param array $category_ids A collection of category IDs to assign to the post object
	 * @return void
	 */
	protected function assign_category_to_post($post_id, $category_ids) {
		if (!empty($category_ids)) {
			// Making sure that we have the correct type to use and we
			// don't have any redundant IDs before saving.
			$category_ids = array_unique(array_map('intval', $category_ids));

// Attach (new) categories to post
			wp_set_object_terms($post_id, $category_ids, 'category');
		} else {
			wp_set_object_terms($post_id, get_option('default_category'), 'category');
		}
	}

/**
	 * Creates new tag
	 *
	 * @param array	  $params	     An array of data that serves as parameters for the given request
	 * @param boolean $wrap_response Indicates whether to wrap the response based on local or UpdraftCentral calls. Default true.
	 * @return array
	 */
	public function add_tag($params, $wrap_response = true) {
		// N.B. Since the "manage_post_tags" capability does not exist in WP 3.4. We'll use the "manage_categories" instead. Besides, the "manage_post_tags" along with the other tag-related capabilities in the latest versions are actually mapped to the "manage_categories" capability (refer to wp-includes/capabilities.php under the "map_meta_cap" function).
		$error = $this->_validate_capabilities(array('manage_categories'));
		if (!empty($error)) return $error;

$name = sanitize_text_field($params['name']);
		$result = wp_insert_term($name, 'post_tag');
		if (!is_wp_error($result)) {
			$term_id = $result['term_id'];
			$term = get_term($term_id, 'post_tag');

$data = array();
			if (!is_wp_error($term)) {
				$data = array(
					'id' => $term->term_id,
					'count' => $term->count,
					'description' => $term->description,
					'link' => get_term_link($term->term_id, 'post_tag'),
					'name' => $term->name,
					'slug' => $term->slug,
					'taxonomy' => $term->taxonomy,
					'meta' => array()
				);

$tags = $this->get_tags();
				if ($wrap_response) $data['tags'] = json_encode($tags['data']);
			}

return $wrap_response ? $this->_response($data) : $data;
		} else {
			$error = array(
				'message' => $result->get_error_message()
			);

return $wrap_response ? $this->_generic_error_response('post_add_tag_failed', $error) : $error;
		}
	}

/**
	 * Assigns tags to a certain post object
	 *
	 * @param int	$post_id The ID of the post object
	 * @param array $tag_ids A collection of tag IDs to assign to the post object
	 * @return void
	 */
	protected function assign_tag_to_post($post_id, $tag_ids) {
		if (!empty($tag_ids)) {
			// Making sure that we have the correct type to use and we
			// don't have any redundant IDs before saving.
			$tag_ids = array_unique(array_map('intval', $tag_ids));

// Attach (new) tags to post
			wp_set_object_terms($post_id, $tag_ids, 'post_tag');
		} else {
			wp_set_object_terms($post_id, null, 'post_tag');
		}
	}

/**
	 * Pre-validates data before running the save process
	 *
	 * @param WP_Post $post	  The post object to validate
	 * @param array	  $params An array of data that serves as parameters for the given request
	 *
	 * @return array|void
	 */
	private function pre_validation($post, $params) {
		if (empty($post) || empty($params)) return;

if (!empty($params['password'])) {
			if (!empty($params['sticky'])) {
				return $this->_generic_error_response('post_save_failed', array(
					'message' => __('A post can not be sticky and have a password.'),
					'args' => $params
				));
			}

if (!isset($params['sticky']) && is_sticky($post->ID)) {
				return $this->_generic_error_response('post_save_failed', array(
					'message' => __('A sticky post can not be password protected.'),
					'args' => $params
				));
			}
		}

if (!empty($params['sticky'])) {
			if (!isset($params['password']) && post_password_required($post->ID)) {
				return $this->_generic_error_response('post_save_failed', array(
					'message' => __('A password protected post can not be set to sticky.'),
					'args' => $params
				));
			}
		}
	}

/**
	 * Saves or updates post/page information based from the submitted data
	 *
	 * @param array	$params	An array of data that serves as parameters for the given request
	 * @return array
	 */
	public function save($params) {
		global $updraftcentral_host_plugin;

$validation_fields = array(
			'post' => array('publish_posts', 'edit_posts', 'delete_posts'),
			'page' => array('publish_pages', 'edit_pages', 'delete_pages')
		);

if (!isset($validation_fields[$this->post_type])) return $this->_generic_error_response('unsupported_type_on_save_post');

$error = $this->_validate_capabilities($validation_fields[$this->post_type]);
		if (!empty($error)) return $error;

if (!empty($params['id']) || !empty($params['new'])) {
			$args = array();

if (!empty($params['id'])) {
				$post = get_post($params['id']);
				if (!empty($post)) {
					$result = $this->pre_validation($post, $params);
					if (isset($result['response']) && 'rpcerror' == $result['response']) {
						return $result;
					}
				}
			}

// post_content
			if (!empty($params['content']))
				$args['post_content'] = $params['content'];

// post_excerpt
			if (!empty($params['excerpt']))
				$args['post_excerpt'] = $params['excerpt'];

// menu_order
			if (isset($params['order']))
				$args['menu_order'] = (int) $params['order'];

// post_parent
			if (isset($params['parent'])) {
				$args['post_parent'] = empty($params['parent']) ? 0 : $params['parent'];
			}

// post_name
			if (!empty($params['slug']))
				$args['post_name'] = $params['slug'];

// post_status
			if (!empty($params['status'])) {
				$args['post_status'] = $params['status'];
			}

// post_title
			if (!empty($params['title']))
				$args['post_title'] = $params['title'];

// post_author
			if (!empty($params['author']))
				$args['post_author'] = $params['author'];

// comment_status
			if (!empty($params['comment_status']))
				$args['comment_status'] = $params['comment_status'];

// ping_status
			if (!empty($params['ping_status']))
				$args['ping_status'] = $params['ping_status'];

// visibility
			if (!empty($params['visibility'])) {
				switch ($params['visibility']) {
					case 'public':
						$args['post_status'] = 'publish';
						$args['post_password'] = '';
						break;
					case 'password':
						$args['post_status'] = 'publish';
						$args['post_password'] = $params['password'];
						break;
					case 'private':
						$args['post_status'] = 'private';
						$args['post_password'] = '';
						break;
					default:
						break;
				}
			} else {
				if (!empty($params['password'])) {
					$args['post_status'] = 'publish';
					$args['post_password'] = $params['password'];
				} elseif (isset($params['password']) && '' == $params['password']) {
					$args['post_status'] = 'publish';
					$args['post_password'] = '';
				}
			}

// post/publish date
			if (!empty($params['date'])) {
				$datetime = strtotime($params['date']);
				$post_date = date('Y-m-d H:i:s', $datetime);

$args['post_date'] = $post_date;
				$args['post_date_gmt'] = gmdate('Y-m-d H:i:s', $datetime);

// We only change the status to "future" based from the submitted date if the post status
				// is not empty and equal to 'publish' and the date is for the coming future.
				if (!empty($params['status']) && 'publish' == $params['status']) {
					if (strtotime($post_date) > strtotime(date('Y-m-d H:i:s'))) $args['post_status'] = 'future';
				}
			}

// Make sure we have a slug/post_name generated before insert/update
			if (empty($params['slug']) && !empty($params['title'])) {
				$args['post_name'] = sanitize_title_with_dashes($params['title']);
			}

if (!empty($params['new'])) {
				$args['post_type'] = $this->post_type;
				$post_id = wp_insert_post($args, true);
			} else {
				$args['ID'] = $params['id'];
				$args['post_modified'] = date('Y-m-d H:i:s');
				$args['post_modified_gmt'] = gmdate('Y-m-d H:i:s');

$post_id = wp_update_post($args, true);
			}

// We have successfully created/updated a post at this point, thus, we'll continue
			// with implementing the other requested processes and return the result.
			if (!is_wp_error($post_id)) {
				// sticky post
				if (isset($params['sticky'])) {
					$sticky = (bool) $params['sticky'];
					if ($sticky) {
						stick_post($post_id);
					} else {
						if (is_sticky($post_id)) {
							unstick_post($post_id);
						}
					}
				}

// template
				if (!empty($params['template'])) {
					update_post_meta($post_id, '_wp_page_template', $params['template']);
				}

// featured_media
				if (isset($params['featured_media'])) {
					if (!empty($params['featured_media'])) {
						$featured_media = (int) $params['featured_media'];
						$attach_continue = true;
	
						$url = wp_get_attachment_url($featured_media);
						if (!empty($url) && !empty($params['featured_media_url']) && $url == $params['featured_media_url']) {
							set_post_thumbnail($post_id, $featured_media);
							update_post_meta($post_id, 'featured_media_updraftcentral', $params['featured_media']);
							$attach_continue = false;
						}
	
						if ($attach_continue) {
							$featured_media_data = !empty($params['featured_media_data']) ? $params['featured_media_data'] : null;
							$media_id = $this->attach_remote_image($params['featured_media_url'], $featured_media_data, $post_id);
							if (!empty($media_id)) {
								// If we have a successful attachment then add reference to UC's media id
								update_post_meta($post_id, 'featured_media_updraftcentral', $params['featured_media']);
							}
						}
					} else {
						// Remove featured image.
						delete_post_meta($post_id, '_thumbnail_id');
						delete_post_meta($post_id, 'featured_media_updraftcentral');
					}
				}

// categories
				$categories_updated = false;
				if (!empty($params['categories'])) {
					$term_ids = array();
					foreach ($params['categories'] as $value) {
						$category = sanitize_text_field($value);
						$parent = 0;

if (false !== strpos($category, ':')) {
							list($parent, $category) = explode(':', $category);
							$result = $this->add_category(array('name' => $category, 'parent' => $parent), false);

if (!empty($result)) {
								array_push($term_ids, $result['id']);
							}
						} else {
							$term = get_term_by('id', $category, 'category');
							if (!empty($term)) {
								$term_id = $term->term_id;
								array_push($term_ids, $term_id);
							}
						}
					}

$this->assign_category_to_post($post_id, $term_ids);
					$categories_updated = true;
				}

// tags
				$tags_updated = false;
				if (!empty($params['tags'])) {
					$term_ids = array();
					foreach ($params['tags'] as $value) {
						$tag = sanitize_text_field($value);
						$field = is_numeric($tag) ? 'id' : 'name';

$term = get_term_by($field, $tag, 'post_tag');
						if (!empty($term)) {
							$term_id = $term->term_id;
							array_push($term_ids, $term_id);
						} else {
							$result = $this->add_tag(array('name' => $tag), false);
							if (!empty($result)) {
								array_push($term_ids, $result['id']);
							}
						}
					}

$this->assign_tag_to_post($post_id, $term_ids);
					$tags_updated = true;
				}

// Pulling any other relevant and additional information regarding
				// the post before returning it in the response.
				$postdata = $this->get_postdata($post_id);

if (!empty($params['new'])) {
					$timeout = !empty($params['timeout']) ? $params['timeout'] : 30;
					$postdata = array_merge($postdata, $this->get_preload_data($timeout, $this->post_type));
				} else {
					if ($categories_updated || $tags_updated) {
						$categories = $this->get_categories();
						$tags = $this->get_tags();

$postdata['preloaded'] = json_encode(array(
							'categories' => $categories['data'],
							'tags' => $tags['data']
						));
					}
				}

$postdata['options'] = $this->get_options($this->post_type);
				return $this->_response($postdata);
			} else {
				// ERROR: error creating or updating post
				return $this->_generic_error_response('post_save_failed', array(
					'message' => $post_id->get_error_message(),
					'args' => $args
				));
			}
		} else {
			// ERROR: no id parameter, invalid request
			return $this->_generic_error_response('post_invalid_request', array('message' => $updraftcentral_host_plugin->retrieve_show_message('parameters_missing')));
		}
	}

/**
	 * Fetch and retrieves authors based from the submitted parameters
	 *
	 * @param array $params Containing all the needed information to filter the results of the current request
	 * @return array
	 */
	public function get_authors($params = array()) {
		global $updraftcentral_main;

// If expected parameters are empty or does not exists then set them to some default values
		$page = !empty($params['page']) ? (int) $params['page'] : 1;
		$per_page = !empty($params['per_page']) ? (int) $params['per_page'] : 15;
		$offset = ($page - 1) * $per_page;
		$who = !empty($params['who']) ? $params['who'] : 'authors';
		$order = !empty($params['order']) ? strtoupper($params['order']) : 'ASC';
		$orderby = !empty($params['orderby']) ? $params['orderby'] : 'display_name';

$get_user_params = array(
			'number' => $per_page,
			'paged' => $page,
			'offset' => $offset,
			'order' => $order,
			'orderby' => $orderby,
		);

// WP 5.9 deprecated the 'who' parameter and introduces the 'capability'
		// parameter, thus we'll be replacing the 'who' parameter in 5.9 or higher
		if (version_compare($updraftcentral_main->get_wordpress_version(), '5.9', '<')) {
			$get_user_params['who'] = $who;
		} else {
			$get_user_params['capability'] = array('edit_posts');
		}

$users = get_users($get_user_params);

$authors = array();
		$locale = get_locale();

foreach ($users as $user) {
			$data = array(
				'user' => json_encode($this->trim_object($user)),
				'misc' => array(
					'link' => get_author_posts_url($user->ID, $user->user_nicename),
					'locale' => function_exists('get_user_locale') ? get_user_locale($user) : $locale,
					'registered_date' => date('c', strtotime($user->user_registered)),
				)
			);

array_push($authors, $data);
		}

return $this->_response(array(
			'authors' => $authors
		));
	}

/**
	 * Fetch and retrieves parent pages based from the submitted parameters
	 *
	 * @param array $params Containing all the needed information to filter the results of the current request
	 * @return array
	 */
	public function get_parent_pages($params = array()) {
		// If expected parameters are empty or does not exists then set them to some default values
		$page = !empty($params['page']) ? (int) $params['page'] : 1;
		$per_page = !empty($params['per_page']) ? (int) $params['per_page'] : 100;
		$offset = ($page - 1) * $per_page;
		$exclude = !empty($params['exclude']) ? $params['exclude'] : array();
		$order = !empty($params['order']) ? strtoupper($params['order']) : 'ASC';
		$orderby = !empty($params['orderby']) ? $params['orderby'] : 'menu_order';
		$status = !empty($params['status']) ? $params['status'] : 'publish';

$args = array(
			'posts_per_page' => $per_page,
			'paged' => $page,
			'offset' => $offset,
			'post__not_in' => $exclude,
			'order' => $order,
			'orderby' => $orderby,
			'post_type' => 'page',
			'post_status' => $status,
		);

$query = new WP_Query($args);
		$posts = $query->posts;

$pages = array();
		if (!empty($posts)) {
			foreach ($posts as $post) {
				// Get additional information and merge with the response
				$postdata = $this->get_postdata($post, true);
				if (!empty($postdata)) array_push($pages, $this->trim_parent_info($postdata));
			}
		}

return $this->_response(array(
			'pages' => $pages
		));
	}

/**
	 * Trim down return data for parent pages
	 *
	 * @param array $postdata The array containing the data to process
	 * @return array
	 */
	protected function trim_parent_info($postdata) {

if (isset($postdata['post'])) {
			$post = json_decode($postdata['post']);

$page = new stdClass();
			$page->ID = $post->ID;
			$page->post_title = $post->post_title;
			$page->post_parent = $post->post_parent;
			$page->post_type = $post->post_type;
			$page->post_status = $post->post_status;

$postdata['post'] = json_encode($page);
		}

return $postdata;
	}

/**
	 * Retrieves pages, templates, authors, categories and tags data that will be
	 * used as options when displayed on the editor in UpdraftCentral
	 *
	 * @param string $type The type of the module that the current request is processing
	 *
	 * @return array
	 */
	protected function get_options($type = 'post') {
		// Primarily used for editor consumption so we don't include trash here. Besides,
		// trash posts/pages aren't included as parent options.
		$parent_pages = $this->get_parent_pages();
		$pages = $parent_pages['data']['pages'];

// Add flexibility by letting users filter the default roles and add their own
		// custom page/post "author" role(s) if need be.
		$author_roles = apply_filters('updraftcentral_author_roles', array('administrator', 'editor', 'author', 'contributor'));
		$authors = get_users(array('role__in' => $author_roles));

if (!function_exists('get_page_templates')) {
			require_once(ABSPATH.'wp-admin/includes/theme.php');
		}

$templates = ('post' == $type) ? get_page_templates(null, 'post') : get_page_templates();
		$template_options = array();
		foreach ($templates as $template => $filename) {
			$item = array(
				'filename' => $filename,
				'template' => $template,
			);
			$template_options[] = $item;
		}

$page_options = array();
		foreach ($pages as $page_item) {
			if (isset($page_item['post'])) {
				$page = json_decode($page_item['post']);
				$item = array(
					'id' => $page->ID,
					'title' => $page->post_title,
					'parent' => $page->post_parent
				);
				$page_options[] = $item;
			}
		}

$author_options = array();
		foreach ($authors as $user) {
			$item = array(
				'id' => $user->ID,
				'name' => $user->display_name,
			);
			$author_options[] = $item;
		}

$response = array(
			'page' => $page_options,
			'author' => $author_options,
			'template' => $template_options,
			'date' => $this->get_date_options($type),
		);

if ('post' == $type) {
			$categories = get_categories(array('hide_empty' => false, 'orderby' => 'name', 'order' => 'ASC'));
			$tags = get_tags(array('hide_empty' => false));

$category_options = array();
			foreach ($categories as $category) {
				$item = array(
					'id' => $category->term_id,
					'name' => $category->name,
					'parent' => $category->parent
				);
				$category_options[] = $item;
			}
	
			$tag_options = array();
			foreach ($tags as $tag) {
				$item = array(
					'id' => $tag->term_id,
					'name' => $tag->name,
				);
				$tag_options[] = $item;
			}

$response['category'] = $category_options;
			$response['tag'] = $tag_options;
		}

return $response;
	}

/**
	 * Changes the state/status of the given post based from the submitted action/request
	 *
	 * @param int    $id     The ID of the current page to work on
	 * @param string $action The type of change that the current request is going to apply
	 * @param string $type   The type of the module that the current request is processing
	 *
	 * @return array
	 */
	protected function apply_state($id, $action, $type = 'post') {
		if (empty($id)) return false;

$post = get_post($id);
		if (!empty($post)) {
			$previous_status = $post->post_status;
			$deleted = false;

switch ($action) {
				case 'draft':
					$args = array('ID' => $id, 'post_status' => 'draft');
					wp_update_post($args);
					break;
				case 'trash':
					wp_trash_post($id);
					break;
				case 'publish':
					$args = array('ID' => $id, 'post_status' => 'publish');
					wp_update_post($args);
					break;
				case 'restore':
					$args = array('ID' => $id, 'post_status' => 'pending');
					wp_update_post($args);
					break;
				case 'delete':
					$result = wp_delete_post($id, true);
					if (!empty($result)) $deleted = true;
					break;
				default:
					break;
			}

$postdata = $this->get_postdata($post);
			if (!empty($postdata) || $deleted) {
				$data = $deleted ? $id : $postdata;
				$result = array(
					'id' => $id,
					'previous_status' => $previous_status
				);

$result[$type] = $data;
				return $result;
			}
		}

return false;
	}

/**
	 * Imports image from UpdraftCentral's page/post editor
	 *
	 * @param string $image_url  The URL of the image to import
	 * @param string $image_data The image data to save. If empty, image_url will be used to download the image
	 * @param int    $post_id    The ID of the page where this image is to be attached
	 *
	 * @return integer
	 */
	protected function attach_remote_image($image_url, $image_data, $post_id) {
		if (empty($image_url) || empty($post_id)) return;

$image = pathinfo($image_url);
		$image_name = $image['basename'];
		$upload_dir = wp_upload_dir();

if (empty($image_data)) {
			$response = wp_remote_get($image_url);
			if (!is_wp_error($response)) {
				$image_data = wp_remote_retrieve_body($response);
			}
		} else {
			$image_data = base64_decode($image_data);
		}

$media_id = 0;
		if (!empty($image_data)) {
			$unique_file_name = wp_unique_filename($upload_dir['path'], $image_name);
			$filename = basename($unique_file_name);

if (wp_mkdir_p($upload_dir['path'])) {
				$file = $upload_dir['path'] . '/' . $filename;
			} else {
				$file = $upload_dir['basedir'] . '/' . $filename;
			}

file_put_contents($file, $image_data);
			$wp_filetype = wp_check_filetype($filename, null);

$attachment = array(
				'post_mime_type' => $wp_filetype['type'],
				'post_title'     => sanitize_file_name($filename),
				'post_content'   => '',
				'post_status'    => 'inherit'
			);

$media_id = wp_insert_attachment($attachment, $file, $post_id);
			require_once(ABSPATH . 'wp-admin/includes/image.php');

$attach_data = wp_generate_attachment_metadata($media_id, $file);
			wp_update_attachment_metadata($media_id, $attach_data);
			set_post_thumbnail($post_id, $media_id);
		}

return $media_id;
	}

/**
	 * Checks whether we have the required fields submitted and the user has
	 * the capabilities to execute the requested action
	 *
	 * @param array $capabilities The capabilities to check and validate
	 *
	 * @return array|void
	 */
	protected function _validate_capabilities($capabilities) {
		foreach ($capabilities as $capability) {
			if (!current_user_can($capability)) return $this->_generic_error_response('insufficient_permission');
		}
	}
}

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