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<?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');
$parent_dropdown_args = array(
'taxonomy' => 'category',
'hide_empty' => 0,
'name' => 'newcategory_parent',
'orderby' => 'name',
'hierarchical' => 1,
'show_option_none' => '— '.$categorytax->labels->parent_item.' —',
'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');
}
}
}