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Editing: theme.php
<?php if (!defined('UPDRAFTPLUS_DIR')) die('No access.'); /** * Handles UpdraftCentral Theme Commands which basically handles * the installation and activation of a theme */ class UpdraftCentral_Theme_Commands extends UpdraftCentral_Commands { private $switched = false; /** * 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 $extra_info extrainfo use in the udrpc_action, e.g. user_id * * link to udrpc_action main function in class UpdraftPlus_UpdraftCentral_Listener */ public function _pre_action($command, $data, $extra_info) {// phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found // 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 $extra_info extrainfo use in the udrpc_action, e.g. user_id * * link to udrpc_action main function in class UpdraftPlus_UpdraftCentral_Listener */ public function _post_action($command, $data, $extra_info) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable // Here, we're restoring to the current (default) blog before we switched if ($this->switched) restore_current_blog(); } /** * Constructor */ public function __construct() { $this->_admin_include('theme.php', 'file.php', 'template.php', 'class-wp-upgrader.php', 'theme-install.php', 'update.php'); } /** * Installs and activates a theme through upload * * @param array $params Parameter array containing information pertaining the currently uploaded theme * @return array Contains the result of the current process */ public function upload_theme($params) { return $this->process_chunk_upload($params, 'theme'); } /** * Checks whether the theme is currently installed and activated. * * @param array $query Parameter array containing the name of the theme to check * @return array Contains the result of the current process */ public function is_theme_installed($query) { if (!isset($query['theme'])) return $this->_generic_error_response('theme_name_required'); $result = $this->_get_theme_info($query['theme']); return $this->_response($result); } /** * Applies currently requested action for theme processing * * @param string $action The action to apply (e.g. activate or install) * @param array $query Parameter array containing information for the currently requested action * * @return array */ private function _apply_theme_action($action, $query) { $result = array(); switch ($action) { case 'activate': $info = $this->_get_theme_info($query['theme']); if ($info['installed']) { switch_theme($info['slug']); if (wp_get_theme()->get_stylesheet() === $info['slug']) { $result = array('activated' => true); } else { $result = $this->_generic_error_response('theme_not_activated', array($query['theme'])); } } else { $result = $this->_generic_error_response('theme_not_installed', array($query['theme'])); } break; case 'network_enable': $info = $this->_get_theme_info($query['theme']); if ($info['installed']) { // Make sure that network_enable_theme is present and callable since // it is only available at 4.6. If not, we'll do things the old fashion way if (is_callable(array('WP_Theme', 'network_enable_theme'))) { WP_Theme::network_enable_theme($info['slug']); } else { $allowed_themes = get_site_option('allowedthemes'); $allowed_themes[$info['slug']] = true; update_site_option('allowedthemes', $allowed_themes); } $allowed = WP_Theme::get_allowed_on_network(); if (is_array($allowed) && !empty($allowed[$info['slug']])) { $result = array('enabled' => true); } else { $result = $this->_generic_error_response('theme_not_enabled', array($query['theme'])); } } else { $result = $this->_generic_error_response('theme_not_installed', array($query['theme'])); } break; case 'network_disable': $info = $this->_get_theme_info($query['theme']); if ($info['installed']) { // Make sure that network_disable_theme is present and callable since // it is only available at 4.6. If not, we'll do things the old fashion way if (is_callable(array('WP_Theme', 'network_disable_theme'))) { WP_Theme::network_disable_theme($info['slug']); } else { $allowed_themes = get_site_option('allowedthemes'); if (isset($allowed_themes[$info['slug']])) { unset($allowed_themes[$info['slug']]); } update_site_option('allowedthemes', $allowed_themes); } $allowed = WP_Theme::get_allowed_on_network(); if (is_array($allowed) && empty($allowed[$info['slug']])) { $result = array('disabled' => true); } else { $result = $this->_generic_error_response('theme_not_disabled', array($query['theme'])); } } else { $result = $this->_generic_error_response('theme_not_installed', array($query['theme'])); } break; case 'install': $api = themes_api('theme_information', array( 'slug' => $query['slug'], 'fields' => array( 'description' => true, 'sections' => false, 'rating' => true, 'ratings' => true, 'downloaded' => true, 'downloadlink' => true, 'last_updated' => true, 'screenshot_url' => true, 'parent' => true, ) )); if (is_wp_error($api)) { $result = $this->_generic_error_response('generic_response_error', array($api->get_error_message())); } else { $info = $this->_get_theme_info($query['theme']); $installed = $info['installed']; $error_code = $error_message = ''; if (!$installed) { // WP < 3.7 if (!class_exists('Automatic_Upgrader_Skin')) include_once(UPDRAFTPLUS_DIR.'/central/classes/class-automatic-upgrader-skin.php'); $skin = new Automatic_Upgrader_Skin(); $upgrader = new Theme_Upgrader($skin); $download_link = $api->download_link; $installed = $upgrader->install($download_link); if (is_wp_error($installed)) { $error_code = $installed->get_error_code(); $error_message = $installed->get_error_message(); } elseif (is_wp_error($skin->result)) { $error_code = $skin->result->get_error_code(); $error_message = $skin->result->get_error_message(); $error_data = $skin->result->get_error_data($error_code); if (!empty($error_data)) { if (is_array($error_data)) $error_data = json_encode($error_data); $error_message .= ' '.$error_data; } } elseif (is_null($installed) || !$installed) { global $wp_filesystem; $upgrade_messages = $skin->get_upgrade_messages(); if (!class_exists('WP_Filesystem_Base')) include_once(ABSPATH.'/wp-admin/includes/class-wp-filesystem-base.php'); // Pass through the error from WP_Filesystem if one was raised. if ($wp_filesystem instanceof WP_Filesystem_Base && is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) { $error_code = $wp_filesystem->errors->get_error_code(); $error_message = $wp_filesystem->errors->get_error_message(); } elseif (!empty($upgrade_messages)) { // We're only after for the last feedback that we received from the install process. Mostly, // that is where the last error has been inserted. $messages = $skin->get_upgrade_messages(); $error_code = 'install_failed'; $error_message = end($messages); } else { $error_code = 'unable_to_connect_to_filesystem'; $error_message = __('Unable to connect to the filesystem. Please confirm your credentials.'); } } } if (!$installed || is_wp_error($installed)) { $result = $this->_generic_error_response('theme_install_failed', array( 'theme' => $query['theme'], 'error_code' => $error_code, 'error_message' => $error_message )); } else { $result = array('installed' => true); } } break; } return $result; } /** * Preloads the submitted credentials to the global $_POST variable * * @param array $query Parameter array containing information for the currently requested action */ private function _preload_credentials($query) { if (!empty($query) && isset($query['filesystem_credentials'])) { parse_str($query['filesystem_credentials'], $filesystem_credentials); if (is_array($filesystem_credentials)) { foreach ($filesystem_credentials as $key => $value) { // Put them into $_POST, which is where request_filesystem_credentials() checks for them. $_POST[$key] = $value; } } } } /** * Checks whether we have the required fields submitted and the user has * the capabilities to execute the requested action * * @param array $query The submitted information * @param array $fields The required fields to check * @param array $capabilities The capabilities to check and validate * * @return array|string */ private function _validate_fields_and_capabilities($query, $fields, $capabilities) { $error = ''; if (!empty($fields)) { for ($i=0; $i<count($fields); $i++) { $field = $fields[$i]; if (!isset($query[$field])) { if ('keyword' === $field) { $error = $this->_generic_error_response('keyword_required'); } else { $error = $this->_generic_error_response('theme_'.$query[$field].'_required'); } break; } } } if (empty($error) && !empty($capabilities)) { for ($i=0; $i<count($capabilities); $i++) { if (!current_user_can($capabilities[$i])) { $error = $this->_generic_error_response('theme_insufficient_permission'); break; } } } return $error; } /** * Activates the theme * * @param array $query Parameter array containing the name of the theme to activate * @return array Contains the result of the current process */ public function activate_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme'), array('switch_themes')); if (!empty($error)) { return $error; } $result = $this->_apply_theme_action('activate', $query); if (empty($result['activated'])) { return $result; } return $this->_response($result); } /** * Enables theme for network * * @param array $query Parameter array containing the name of the theme to activate * @return array Contains the result of the current process */ public function network_enable_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme'), array('switch_themes')); if (!empty($error)) { return $error; } $result = $this->_apply_theme_action('network_enable', $query); if (empty($result['enabled'])) { return $result; } return $this->_response($result); } /** * Disables theme from network * * @param array $query Parameter array containing the name of the theme to activate * @return array Contains the result of the current process */ public function network_disable_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme'), array('switch_themes')); if (!empty($error)) { return $error; } $result = $this->_apply_theme_action('network_disable', $query); if (empty($result['disabled'])) { return $result; } return $this->_response($result); } /** * Download, install and activates the theme * * @param array $query Parameter array containing the filesystem credentials entered by the user along with the theme name and slug * @return array Contains the result of the current process */ public function install_activate_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme', 'slug'), array('install_themes', 'switch_themes')); if (!empty($error)) { return $error; } $this->_preload_credentials($query); $result = $this->_apply_theme_action('install', $query); if (!empty($result['installed']) && $result['installed']) { $result = $this->_apply_theme_action('activate', $query); if (empty($result['activated'])) { return $result; } } else { return $result; } return $this->_response($result); } /** * Download, install the theme * * @param array $query Parameter array containing the filesystem credentials entered by the user along with the theme name and slug * @return array Contains the result of the current process */ public function install_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme', 'slug'), array('install_themes')); if (!empty($error)) { return $error; } $this->_preload_credentials($query); $result = $this->_apply_theme_action('install', $query); if (empty($result['installed'])) { return $result; } return $this->_response($result); } /** * Uninstall/delete the theme * * @param array $query Parameter array containing the filesystem credentials entered by the user along with the theme name and slug * @return array Contains the result of the current process */ public function delete_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme'), array('delete_themes')); if (!empty($error)) { return $error; } $this->_preload_credentials($query); $info = $this->_get_theme_info($query['theme']); if ($info['installed']) { $deleted = delete_theme($info['slug']); if ($deleted) { $result = array('deleted' => true); } else { $result = $this->_generic_error_response('delete_theme_failed', array($query['theme'])); } } else { $result = $this->_generic_error_response('theme_not_installed', array($query['theme'])); } return $this->_response($result); } /** * Updates/upgrade the theme * * @param array $query Parameter array containing the filesystem credentials entered by the user along with the theme name and slug * @return array Contains the result of the current process */ public function update_theme($query) { $error = $this->_validate_fields_and_capabilities($query, array('theme'), array('update_themes')); if (!empty($error)) { return $error; } $this->_preload_credentials($query); $info = $this->_get_theme_info($query['theme']); // Make sure that we still have the theme installed before running // the update process if ($info['installed']) { // Load the updates command class if not existed if (!class_exists('UpdraftCentral_Updates_Commands')) include_once('updates.php'); $update_command = new UpdraftCentral_Updates_Commands($this->rc); $result = $update_command->update_theme($info['slug']); if (!empty($result['error'])) { $result['values'] = array($query['theme']); } } else { return $this->_generic_error_response('theme_not_installed', array($query['theme'])); } return $this->_response($result); } /** * Gets the theme information along with its active and install status * * @internal * @param array $theme The name of the theme to pull the information from * @return array Contains the theme information */ private function _get_theme_info($theme) { $info = array( 'active' => false, 'installed' => false ); // Clear theme cache so that newly installed/downloaded themes // gets reflected when calling "get_themes" if (function_exists('wp_clean_themes_cache')) { wp_clean_themes_cache(); } // Gets all themes available. $themes = wp_get_themes(); $current_theme_slug = basename(get_stylesheet_directory()); // Loops around each theme available. foreach ($themes as $slug => $value) { $name = $value->get('Name'); $theme_name = !empty($name) ? $name : $slug; // If the theme name matches that of the specified name, it will gather details. if ($theme_name === $theme) { $info['installed'] = true; $info['active'] = ($slug === $current_theme_slug) ? true : false; $info['slug'] = $slug; $info['data'] = $value; break; } } return $info; } /** * Loads all available themes with additional attributes and settings needed by UpdraftCentral * * @param array $query Parameter array Any available parameters needed for this action * @return array Contains the result of the current process */ public function load_themes($query) { $error = $this->_validate_fields_and_capabilities($query, array(), array('install_themes', 'switch_themes')); if (!empty($error)) { return $error; } $website = get_bloginfo('name'); $results = array(); // Load the updates command class if not existed if (!class_exists('UpdraftCentral_Updates_Commands')) include_once('updates.php'); $updates = new UpdraftCentral_Updates_Commands($this->rc); // Get themes for update $theme_updates = (array) $updates->get_item_updates('themes'); // Get all themes $themes = wp_get_themes(); $current_theme_slug = basename(get_stylesheet_directory()); foreach ($themes as $slug => $value) { $name = $value->get('Name'); $theme_name = !empty($name) ? $name : $slug; $theme = new stdClass(); $theme->name = $theme_name; $theme->description = $value->get('Description'); $theme->slug = $slug; $theme->version = $value->get('Version'); $theme->author = $value->get('Author'); $theme->status = ($slug === $current_theme_slug) ? 'active' : 'inactive'; $template = $value->get('Template'); $theme->child_theme = !empty($template) ? true : false; $theme->website = $website; $theme->multisite = is_multisite(); if ($theme->child_theme) { $parent_theme = wp_get_theme($template); $parent_name = $parent_theme->get('Name'); $theme->parent = !empty($parent_name) ? $parent_name : $parent_theme->get_stylesheet(); } if (!empty($theme_updates[$slug])) { $update_info = $theme_updates[$slug]; if (version_compare($theme->version, $update_info->update['new_version'], '<')) { if (!empty($update_info->update['new_version'])) $theme->latest_version = $update_info->update['new_version']; if (!empty($update_info->update['package'])) $theme->download_link = $update_info->update['package']; } } if (empty($theme->short_description) && !empty($theme->description)) { // Only pull the first sentence as short description, it should be enough rather than displaying // an empty description or a full blown one which the user can access anytime if they press on // the view details link in UpdraftCentral. $temp = explode('.', $theme->description); $short_description = $temp[0]; // Adding the second sentence wouldn't hurt, in case the first sentence is too short. if (isset($temp[1])) $short_description .= '.'.$temp[1]; $theme->short_description = $short_description.'.'; } $results[] = $theme; } $result = array( 'themes' => $results, 'theme_updates' => $theme_updates, ); $result = array_merge($result, $this->_get_backup_credentials_settings(get_theme_root())); return $this->_response($result); } /** * Gets the backup and security credentials settings for this website * * @param array $query Parameter array Any available parameters needed for this action * @return array Contains the result of the current process */ public function get_theme_requirements() { return $this->_response($this->_get_backup_credentials_settings(get_theme_root())); } }
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