<?php

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

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class UpdraftCentral_Updates_Commands extends UpdraftCentral_Commands {

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public function do_updates($updates) {

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if (!is_array($updates)) $this->_generic_error_response('invalid_data');

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if (!empty($updates['plugins']) && !current_user_can('update_plugins')) return $this->_generic_error_response('updates_permission_denied', 'update_plugins');

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if (!empty($updates['themes']) && !current_user_can('update_themes')) return $this->_generic_error_response('updates_permission_denied', 'update_themes');

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if (!empty($updates['core']) && !current_user_can('update_core')) return $this->_generic_error_response('updates_permission_denied', 'update_core');

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if (!empty($updates['translations']) && !$this->user_can_update_translations()) return $this->_generic_error_response('updates_permission_denied', 'update_translations');

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$this->_admin_include('plugin.php', 'update.php', 'file.php', 'template.php');

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$this->_frontend_include('update.php');

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if (!empty($updates['meta']) && isset($updates['meta']['filesystem_credentials'])) {

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parse_str($updates['meta']['filesystem_credentials'], $filesystem_credentials);

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if (is_array($filesystem_credentials)) {

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foreach ($filesystem_credentials as $key => $value) {

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// Put them into $_POST, which is where request_filesystem_credentials() checks for them.

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$_POST[$key] = $value;

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}

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}

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}

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$plugins = empty($updates['plugins']) ? array() : $updates['plugins'];

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$plugin_updates = array();

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foreach ($plugins as $plugin_info) {

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$plugin_updates[] = $this->_update_plugin($plugin_info['plugin'], $plugin_info['slug']);

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}

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$themes = empty($updates['themes']) ? array() : $updates['themes'];

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$theme_updates = array();

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foreach ($themes as $theme_info) {

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$theme = $theme_info['theme'];

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$theme_updates[] = $this->_update_theme($theme);

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}

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$cores = empty($updates['core']) ? array() : $updates['core'];

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$core_updates = array();

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foreach ($cores as $core) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- We dont use $core but we need the AS in the foreach so it needs to stay

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$core_updates[] = $this->_update_core(null);

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// Only one (and always we go to the latest version) - i.e. we ignore the passed parameters

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break;

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}

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$translation_updates = array();

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if (!empty($updates['translations'])) {

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$translation_updates[] = $this->_update_translation();

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}

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return $this->_response(array(

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'plugins' => $plugin_updates,

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'themes' => $theme_updates,

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'core' => $core_updates,

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'translations' => $translation_updates,

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));

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}

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/**

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* Updates a plugin. A facade method that exposes a private updates

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* feature for other modules to consume.

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*

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* @param string $plugin Specific plugin to be updated

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* @param string $slug Unique key passed for updates

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*

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* @return array

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*/

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public function update_plugin($plugin, $slug) {

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return $this->_update_plugin($plugin, $slug);

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}

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/**

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* Updates a theme. A facade method that exposes a private updates

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* feature for other modules to consume.

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*

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* @param string $theme Specific theme to be updated

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*

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* @return array

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*/

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public function update_theme($theme) {

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return $this->_update_theme($theme);

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}

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/**

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* Gets available updates for a certain entity (e.g. plugin or theme). A facade method that

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* exposes a private updates feature for other modules to consume.

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*

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* @param string $entity The name of the entity that this request is intended for (e.g. themes or plugins)

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*

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* @return array

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*/

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public function get_item_updates($entity) {

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$updates = array();

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switch ($entity) {

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case 'themes':

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wp_update_themes();

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$updates = $this->maybe_add_third_party_items(get_theme_updates(), 'theme');

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break;

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case 'plugins':

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wp_update_plugins();

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$updates = $this->maybe_add_third_party_items(get_plugin_updates(), 'plugin');

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break;

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}

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return $updates;

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}

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/**

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* Mostly from wp_ajax_update_plugin() in wp-admin/includes/ajax-actions.php (WP 4.5.2)

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* Code-formatting style has been retained from the original, for ease of comparison/updating

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*

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* @param string $plugin Specific plugin to be updated

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* @param string $slug Unique key passed for updates

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* @return array

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*/

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private function _update_plugin($plugin, $slug) {

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$status = array(

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'update' => 'plugin',

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'plugin' => $plugin,

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'slug' => sanitize_key($slug),

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'oldVersion' => '',

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'newVersion' => '',

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);

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if (false !== strpos($plugin, '..') || false !== strpos($plugin, ':') || !preg_match('#^[^\/]#i', $plugin)) {

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$status['error'] = 'not_found';

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return $status;

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}

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$plugin_data = get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin);

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if (!isset($plugin_data['Name']) || !isset($plugin_data['Author']) || ('' == $plugin_data['Name'] && '' == $plugin_data['Author'])) {

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$status['error'] = 'not_found';

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return $status;

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}

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if ($plugin_data['Version']) {

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$status['oldVersion'] = $plugin_data['Version'];

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}

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if (!current_user_can('update_plugins')) {

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$status['error'] = 'updates_permission_denied';

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return $status;

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}

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include_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');

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wp_update_plugins();

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// WP < 3.7

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if (!class_exists('Automatic_Upgrader_Skin')) include_once(UPDRAFTCENTRAL_CLIENT_DIR.'/classes/class-automatic-upgrader-skin.php');

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$skin = new Automatic_Upgrader_Skin();

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$upgrader = new Plugin_Upgrader($skin);

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$result = $upgrader->bulk_upgrade(array($plugin));

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if (is_array($result) && empty($result[$plugin]) && is_wp_error($skin->result)) {

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$result = $skin->result;

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}

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$status['messages'] = $upgrader->skin->get_upgrade_messages();

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if (is_array($result) && !empty($result[$plugin])) {

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$plugin_update_data = current($result);

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/*

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* If the `update_plugins` site transient is empty (e.g. when you update

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* two plugins in quick succession before the transient repopulates),

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* this may be the return.

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*

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* Preferably something can be done to ensure `update_plugins` isn't empty.

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* For now, surface some sort of error here.

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*/

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if (true === $plugin_update_data) {

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$status['error'] = 'update_failed';

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return $status;

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}

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if (is_wp_error($result[$plugin])) {

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$status['error'] = $result[$plugin]->get_error_code();

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$status['error_message'] = $result[$plugin]->get_error_message();

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return $status;

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}

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$plugin_data = get_plugins('/' . $result[$plugin]['destination_name']);

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$plugin_data = reset($plugin_data);

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if ($plugin_data['Version']) {

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$status['newVersion'] = $plugin_data['Version'];

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}

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return $status;

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} elseif (is_wp_error($result)) {

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$status['error'] = $result->get_error_code();

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$status['error_message'] = $result->get_error_message();

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return $status;

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} elseif (is_bool($result) && !$result) {

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$status['error'] = 'unable_to_connect_to_filesystem';

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global $wp_filesystem;

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// Pass through the error from WP_Filesystem if one was raised

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if (isset($wp_filesystem->errors) && is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {

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$status['error'] = $wp_filesystem->errors->get_error_code();

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$status['error_message'] = $wp_filesystem->errors->get_error_message();

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}

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return $status;

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} else {

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// An unhandled error occured

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$status['error'] = 'update_failed';

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return $status;

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}

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}

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/**

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* Adapted from _update_theme (above)

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*

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* @param string $core

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* @return array

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*/

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private function _update_core($core) {

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global $wp_filesystem;

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$status = array(

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'update' => 'core',

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'core' => $core,

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'oldVersion' => '',

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'newVersion' => '',

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);

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// THis is included so we can get $wp_version

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include(ABSPATH.WPINC.'/version.php');

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$status['oldVersion'] = $wp_version;// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable

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if (!current_user_can('update_core')) {

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$status['error'] = 'updates_permission_denied';

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return $status;

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}

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include_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');

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wp_version_check();

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$locale = get_locale();// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable

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$core_update_key = false;

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$core_update_latest_version = false;

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$get_core_updates = get_core_updates();

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// THis is included so we can get $wp_version

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@include(ABSPATH.WPINC.'/version.php');// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged

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foreach ($get_core_updates as $k => $core_update) {

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if (isset($core_update->version) && version_compare($core_update->version, $wp_version, '>') && version_compare($core_update->version, $core_update_latest_version, '>')) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable

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$core_update_latest_version = $core_update->version;

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$core_update_key = $k;

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}

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}

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if (false === $core_update_key) {

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$status['error'] = 'no_update_found';

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return $status;

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}

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$update = $get_core_updates[$core_update_key];

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// WP < 3.7

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if (!class_exists('Automatic_Upgrader_Skin')) include_once(UPDRAFTCENTRAL_CLIENT_DIR.'/classes/class-automatic-upgrader-skin.php');

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$skin = new Automatic_Upgrader_Skin();

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$upgrader = new Core_Upgrader($skin);

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$result = $upgrader->upgrade($update);

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$status['messages'] = $upgrader->skin->get_upgrade_messages();

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if (is_wp_error($result)) {

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$status['error'] = $result->get_error_code();

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$status['error_message'] = $result->get_error_message();

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return $status;

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} elseif (is_bool($result) && !$result) {

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$status['error'] = 'unable_to_connect_to_filesystem';

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// Pass through the error from WP_Filesystem if one was raised

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if (is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {

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$status['error'] = $wp_filesystem->errors->get_error_code();

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$status['error_message'] = $wp_filesystem->errors->get_error_message();

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}

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return $status;

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} elseif (preg_match('/^[0-9]/', $result)) {

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$status['newVersion'] = $result;

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return $status;

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} else {

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// An unhandled error occured

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$status['error'] = 'update_failed';

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return $status;

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}

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}

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private function _update_theme($theme) {

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global $wp_filesystem;

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$status = array(

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'update' => 'theme',

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'theme' => $theme,

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'oldVersion' => '',

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'newVersion' => '',

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);

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if (false !== strpos($theme, '/') || false !== strpos($theme, '\\')) {

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$status['error'] = 'not_found';

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return $status;

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}

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$theme_version = $this->get_theme_version($theme);

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if (false === $theme_version) {

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$status['error'] = 'not_found';

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return $status;

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}

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$status['oldVersion'] = $theme_version;

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if (!current_user_can('update_themes')) {

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$status['error'] = 'updates_permission_denied';

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return $status;

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}

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include_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');

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wp_update_themes();

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// WP < 3.7

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if (!class_exists('Automatic_Upgrader_Skin')) include_once(UPDRAFTCENTRAL_CLIENT_DIR.'/classes/class-automatic-upgrader-skin.php');

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$skin = new Automatic_Upgrader_Skin();

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$upgrader = new Theme_Upgrader($skin);

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$upgrader->init();

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$result = $upgrader->bulk_upgrade(array($theme));

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if (is_array($result) && empty($result[$theme]) && is_wp_error($skin->result)) {

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$result = $skin->result;

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}

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$status['messages'] = $upgrader->skin->get_upgrade_messages();

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if (is_array($result) && !empty($result[$theme])) {

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$theme_update_data = current($result);

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/*

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* If the `update_themes` site transient is empty (e.g. when you update

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* two plugins in quick succession before the transient repopulates),

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* this may be the return.

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*

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* Preferably something can be done to ensure `update_themes` isn't empty.

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* For now, surface some sort of error here.

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*/

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if (true === $theme_update_data) {

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$status['error'] = 'update_failed';

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return $status;

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}

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$new_theme_version = $this->get_theme_version($theme);

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if (false === $new_theme_version) {

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$status['error'] = 'update_failed';

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return $status;

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}

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$status['newVersion'] = $new_theme_version;

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return $status;

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} elseif (is_wp_error($result)) {

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$status['error'] = $result->get_error_code();

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$status['error_message'] = $result->get_error_message();

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return $status;

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} elseif (is_bool($result) && !$result) {

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$status['error'] = 'unable_to_connect_to_filesystem';

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// Pass through the error from WP_Filesystem if one was raised

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if (is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {

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$status['error'] = $wp_filesystem->errors->get_error_code();

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$status['error_message'] = $wp_filesystem->errors->get_error_message();

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}

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return $status;

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} else {

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// An unhandled error occured

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$status['error'] = 'update_failed';

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return $status;

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}

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}

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/**

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* Updates available translations for this website

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*

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* @return Array

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*/

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private function _update_translation() {

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global $wp_filesystem;

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$status = array();

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include_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');

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if (!class_exists('Automatic_Upgrader_Skin')) include_once(UPDRAFTCENTRAL_CLIENT_DIR.'/classes/class-automatic-upgrader-skin.php');

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$skin = new Automatic_Upgrader_Skin();

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$upgrader = new Language_Pack_Upgrader($skin);

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$result = $upgrader->bulk_upgrade();

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if (is_array($result) && !empty($result)) {

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$status['success'] = true;

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} elseif (is_wp_error($result)) {

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$status['error'] = $result->get_error_code();

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$status['error_message'] = $result->get_error_message();

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} elseif (is_bool($result) && !$result) {

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$status['error'] = 'unable_to_connect_to_filesystem';

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// Pass through the error from WP_Filesystem if one was raised

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if (is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {

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$status['error'] = $wp_filesystem->errors->get_error_code();

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$status['error_message'] = $wp_filesystem->errors->get_error_message();

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}

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} elseif (is_bool($result) && $result) {

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$status['error'] = 'up_to_date';

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} else {

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// An unhandled error occured

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$status['error'] = 'update_failed';

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}

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return $status;

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}

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[456] Fix | Delete

private function get_theme_version($theme) {

[457] Fix | Delete

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if (function_exists('wp_get_theme')) {

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// Since WP 3.4.0

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$theme = wp_get_theme($theme);

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if (is_a($theme, 'WP_Theme')) {

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return $theme->Version;

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} else {

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return false;

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}

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[468] Fix | Delete

} else {

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$theme_data = get_theme_data(WP_CONTENT_DIR . '/themes/'.$theme.'/style.css');

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if (isset($theme_data['Version'])) {

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return $theme_data['Version'];

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} else {

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return false;

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}

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}

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}

[478] Fix | Delete

[479] Fix | Delete

/**

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* Adding third-party plugins/theme for UDC automatic updates, for some updaters which store their information when the transient is set, instead of (like most) when it is fetched

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*

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* @param Array $items A collection of plugins or themes for updates

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* @param String $type A string indicating which type of collection to process (e.g. 'plugin' or 'theme')

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* @return Array An updated collection of plugins or themes for updates

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*/

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private function maybe_add_third_party_items($items, $type) {

[487] Fix | Delete

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// Here we're preparing a dummy transient object that will be pass to the filter

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// and gets populated by those plugins or themes that hooked into the "pre_set_site_transient_*" filter.

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//

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// We're setting some default properties so that plugins and themes won't be able to bypass populating them,

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// because most of the plugins and themes updater scripts checks whether or not these properties are set and

[493] Fix | Delete

// non-empty or passed the 12 hour period (where WordPress re-starts the process of checking updates for

[494] Fix | Delete

// these plugins and themes), otherwise, they bypass populating the update/upgrade info for these items.

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$transient = (object) array(

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'last_checked' => time() - (13 * 3600), /* Making sure that we passed the 12 hour period check */

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'checked' => array('default' => 'none'),

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'response' => array('default' => 'none')

[499] Fix | Delete