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| Dir : //home/trave494/princesspicnicevents.com/wp-content/plugins/updraftplus/central/modules/plugin.php |
<?php
if (!defined('UPDRAFTCENTRAL_CLIENT_DIR')) die('No access.');
/**
* Handles UpdraftCentral Plugin Commands which basically handles
* the installation and activation of a plugin
*/
class UpdraftCentral_Plugin_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 $extra_info extrainfo use in the udrpc_action, e.g. user_id
*
* link to udrpc_action main function in class UpdraftCentral_Listener
*/
public function _pre_action($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, $extra_info) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- Unused parameter is present because the caller from UpdraftCentral_Listener class uses 3 arguments.
// Here, we're restoring to the current (default) blog before we switched
if ($this->switched) restore_current_blog();
}
/**
* Constructor
*/
public function __construct() {
$this->_admin_include('plugin.php', 'file.php', 'template.php', 'class-wp-upgrader.php', 'plugin-install.php', 'update.php');
}
/**
* Installs and activates a plugin through upload
*
* @param array $params Parameter array containing information pertaining the currently uploaded plugin
* @return array Contains the result of the current process
*/
public function upload_plugin($params) {
return $this->process_chunk_upload($params, 'plugin');
}
/**
* Checks whether the plugin is currently installed and activated.
*
* @param array $query Parameter array containing the name of the plugin to check
* @return array Contains the result of the current process
*/
public function is_plugin_installed($query) {
if (!isset($query['plugin']))
return $this->_generic_error_response('plugin_name_required');
$result = $this->_get_plugin_info($query);
return $this->_response($result);
}
/**
* Applies currently requested action for plugin processing
*
* @param string $action The action to apply (e.g. activate or install)
* @param array $query Parameter array containing information for the currently requested action
*
* @return array
*/
private function _apply_plugin_action($action, $query) {
$result = array();
switch ($action) {
case 'activate':
case 'network_activate':
$info = $this->_get_plugin_info($query);
if ($info['installed']) {
$activate = activate_plugin($info['plugin_path']);
if (is_wp_error($activate)) {
$result = $this->_generic_error_response('generic_response_error', array(
'plugin' => $query['plugin'],
'error_code' => 'generic_response_error',
'error_message' => $activate->get_error_message(),
'info' => $this->_get_plugin_info($query)
));
} else {
$result = array('activated' => true, 'info' => $this->_get_plugin_info($query), 'last_state' => $info);
}
} else {
$result = $this->_generic_error_response('plugin_not_installed', array(
'plugin' => $query['plugin'],
'error_code' => 'plugin_not_installed',
'error_message' => __('The plugin you wish to activate is either not installed or has been removed recently.', 'updraftplus'),
'info' => $info
));
}
break;
case 'deactivate':
case 'network_deactivate':
$info = $this->_get_plugin_info($query);
if ($info['active']) {
deactivate_plugins($info['plugin_path']);
if (!is_plugin_active($info['plugin_path'])) {
$result = array('deactivated' => true, 'info' => $this->_get_plugin_info($query), 'last_state' => $info);
} else {
$result = $this->_generic_error_response('deactivate_plugin_failed', array(
'plugin' => $query['plugin'],
'error_code' => 'deactivate_plugin_failed',
'error_message' => __('There appears to be a problem deactivating the intended plugin.', 'updraftplus').' '.__('Please check your permissions and try again.', 'updraftplus'),
'info' => $this->_get_plugin_info($query)
));
}
} else {
$result = $this->_generic_error_response('not_active', array(
'plugin' => $query['plugin'],
'error_code' => 'not_active',
'error_message' => __('The plugin you wish to deactivate is currently not active or is already deactivated.', 'updraftplus'),
'info' => $info
));
}
break;
case 'install':
$api = plugins_api('plugin_information', array(
'slug' => $query['slug'],
'fields' => array(
'short_description' => false,
'sections' => false,
'requires' => false,
'rating' => false,
'ratings' => false,
'downloaded' => false,
'last_updated' => false,
'added' => false,
'tags' => false,
'compatibility' => false,
'homepage' => false,
'donate_link' => false,
)
));
$info = $this->_get_plugin_info($query);
if (is_wp_error($api)) {
$result = $this->_generic_error_response('generic_response_error', array(
'plugin' => $query['plugin'],
'error_code' => 'generic_response_error',
'error_message' => $api->get_error_message(),
'info' => $info
));
} else {
$installed = $info['installed'];
$error_code = $error_message = '';
if (!$installed) {
// WP < 3.7
if (!class_exists('Automatic_Upgrader_Skin')) include_once(dirname(dirname(__FILE__)).'/classes/class-automatic-upgrader-skin.php');
$skin = new Automatic_Upgrader_Skin();
$upgrader = new Plugin_Upgrader($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';
$error_message = __('Unable to connect to the filesystem.', 'updraftplus').' '.__('Please confirm your credentials.', 'updraftplus');
}
}
}
if (!$installed || is_wp_error($installed)) {
$result = $this->_generic_error_response('plugin_install_failed', array(
'plugin' => $query['plugin'],
'error_code' => $error_code,
'error_message' => $error_message,
'info' => $this->_get_plugin_info($query)
));
} else {
$result = array('installed' => true, 'info' => $this->_get_plugin_info($query), 'last_state' => $info);
}
}
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 = $this->_generic_error_response('plugin_'.$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('plugin_insufficient_permission');
break;
}
}
}
return $error;
}
/**
* Processing an action for multiple items
*
* @param array $query Parameter array containing a list of plugins to process
* @return array Contains the results of the bulk process
*/
public function process_action_in_bulk($query) {
$action = isset($query['action']) ? $query['action'] : '';
$items = isset($query['args']) ? $query['args']['items'] : array();
$results = array();
if (!empty($action) && !empty($items) && is_array($items)) {
foreach ($items as $value) {
if (method_exists($this, $action)) {
$results[] = $this->$action($value);
}
}
}
return $this->_response($results);
}
/**
* Activates the plugin
*
* @param array $query Parameter array containing the name of the plugin to activate
* @return array Contains the result of the current process
*/
public function activate_plugin($query) {
$fields = array('plugin');
$permissions = array('activate_plugins');
$error = $this->_validate_fields_and_capabilities($query, $fields, $permissions);
if (!empty($error)) {
return $error;
}
$this->_preload_credentials($query);
$result = $this->_apply_plugin_action((!empty($query['multisite']) && (bool) $query['multisite']) ? 'network_activate' : 'activate', $query);
if (empty($result['activated'])) {
return $result;
}
return $this->_response($result);
}
/**
* Deactivates the plugin
*
* @param array $query Parameter array containing the name of the plugin to deactivate
* @return array Contains the result of the current process
*/
public function deactivate_plugin($query) {
$fields = array('plugin');
$permissions = array('activate_plugins');
$error = $this->_validate_fields_and_capabilities($query, $fields, $permissions);
if (!empty($error)) {
return $error;
}
$this->_preload_credentials($query);
$result = $this->_apply_plugin_action((!empty($query['multisite']) && (bool) $query['multisite']) ? 'network_deactivate' : 'deactivate', $query);
if (empty($result['deactivated'])) {
return $result;
}
return $this->_response($result);
}
/**
* Download, install and activates the plugin
*
* @param array $query Parameter array containing the filesystem credentials entered by the user along with the plugin name and slug
* @return array Contains the result of the current process
*/
public function install_activate_plugin($query) {
$fields = array('plugin', 'slug');
$permissions = array('install_plugins', 'activate_plugins');
$error = $this->_validate_fields_and_capabilities($query, $fields, $permissions);
if (!empty($error)) {
return $error;
}
$this->_preload_credentials($query);
$result = $this->_apply_plugin_action('install', $query);
if (!empty($result['installed']) && $result['installed']) {
$result = $this->_apply_plugin_action((!empty($query['multisite']) && (bool) $query['multisite']) ? 'network_activate' : 'activate', $query);
if (empty($result['activated'])) {
return $result;
}
} else {
return $result;
}
return $this->_response($result);
}
/**
* Download, install the plugin
*
* @param array $query Parameter array containing the filesystem credentials entered by the user along with the plugin name and slug
* @return array Contains the result of the current process
*/
public function install_plugin($query) {
$fields = array('plugin', 'slug');
$permissions = array('install_plugins');
$error = $this->_validate_fields_and_capabilities($query, $fields, $permissions);
if (!empty($error)) {
return $error;
}
$this->_preload_credentials($query);
$result = $this->_apply_plugin_action('install', $query);
if (empty($result['installed'])) {
return $result;
}
return $this->_response($result);
}
/**
* Uninstall/delete the plugin
*
* @param array $query Parameter array containing the filesystem credentials entered by the user along with the plugin name and slug
* @return array Contains the result of the current process
*/
public function delete_plugin($query) {
$fields = array('plugin');
$permissions = array('delete_plugins');
$error = $this->_validate_fields_and_capabilities($query, $fields, $permissions);
if (!empty($error)) {
return $error;
}
$this->_preload_credentials($query);
$info = $this->_get_plugin_info($query);
if ($info['installed']) {
// Deactivate first before delete to invalidate the activate
// state/status prior to deleting the item. Otherwise, WordPress will keep
// that state, and as soon as you install the same plugin it will be automatically
// activated since it's previous state was kept.
deactivate_plugins($info['plugin_path']);
$deleted = delete_plugins(array($info['plugin_path']));
if ($deleted) {
$result = array('deleted' => true, 'info' => $this->_get_plugin_info($query), 'last_state' => $info);
} else {
return $this->_generic_error_response('delete_plugin_failed', array(
'plugin' => $query['plugin'],
'error_code' => 'delete_plugin_failed',
'info' => $info
));
}
} else {
return $this->_generic_error_response('plugin_not_installed', array(
'plugin' => $query['plugin'],
'error_code' => 'plugin_not_installed',
'info' => $info
));
}
return $this->_response($result);
}
/**
* Updates/upgrade the plugin
*
* @param array $query Parameter array containing the filesystem credentials entered by the user along with the plugin name and slug
* @return array Contains the result of the current process
*/
public function update_plugin($query) {
$fields = array('plugin', 'slug');
$permissions = array('update_plugins');
$error = $this->_validate_fields_and_capabilities($query, $fields, $permissions);
if (!empty($error)) {
return $error;
}
$this->_preload_credentials($query);
// Make sure that we still have the plugin installed before running
// the update process
$info = $this->_get_plugin_info($query);
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 = $update_command->update_plugin($info['plugin_path'], $query['slug']);
if (!empty($result['error'])) {
$result['values'] = array('plugin' => $query['plugin'], 'info' => $info);
}
} else {
return $this->_generic_error_response('plugin_not_installed', array(
'plugin' => $query['plugin'],
'error_code' => 'plugin_not_installed',
'info' => $info
));
}
return $this->_response($result);
}
/**
* Gets the plugin information along with its active and install status
*
* @internal
* @param array $query Contains either the plugin name or slug or both to be used when retrieving information
* @return array
*/
private function _get_plugin_info($query) {
$info = array(
'active' => false,
'installed' => false
);
// Clear plugin cache so that newly installed/downloaded plugins
// gets reflected when calling "get_plugins"
if (function_exists('wp_clean_plugins_cache')) {
wp_clean_plugins_cache();
}
// Gets all plugins available.
$get_plugins = get_plugins();
// Loops around each plugin available.
foreach ($get_plugins as $key => $value) {
$slug = $this->extract_slug_from_info($key, $value);
// If the plugin name matches that of the specified name, it will gather details.
// In case name check isn't enough, we'll use slug to verify if the plugin being queried is actually installed.
//
// Reason for name check failure:
// Due to plugin name inconsistencies - where wordpress.org registered plugin name is different
// from the actual plugin files's metadata (found inside the plugin's PHP file itself).
if ((!empty($query['plugin']) && html_entity_decode($value['Name']) === html_entity_decode($query['plugin'])) || (!empty($query['slug']) && $slug === $query['slug'])) {
$info['installed'] = true;
$info['active'] = is_plugin_active($key);
$info['plugin_path'] = $key;
$info['data'] = $value;
$info['name'] = $value['Name'];
$info['slug'] = $slug;
break;
}
}
return $info;
}
/**
* Extract the slug from the plugin data
*
* @param string $key They key of the current info
* @param array $info Data pulled from the plugin file
*
* @return string
*/
private function extract_slug_from_info($key, $info) {
if (!is_array($info) || empty($info) || empty($key)) return '';
$temp = explode('/', $key);
// With WP standards textdomain must always be equal to the plugin's folder name
// but for premium plugins this may not always be the case thus, we extract the folder
// name from the key as the default slug.
$slug = basename($temp[0], '.php');
if (!empty($info['TextDomain']) && 1 === count($temp)) {
// For plugin without folder we compare the extracted slug with the 'TextDomain'
// and if they're not equal then 'TextDomain' will assume as slug.
if ($slug != $info['TextDomain']) $slug = $info['TextDomain'];
}
// If in case the user kept the hello-dolly plugin then we'll make sure that it gets
// the proper slug for it, otherwise, we'll end up with the wrong slug 'hello' instead of
// 'hello-dolly'. Wrong slug will produce error in UpdraftCentral when running it against
// wordpress.org for further information retrieval.
$slug = ('Hello Dolly' === $info['Name']) ? 'hello-dolly' : $slug;
return $slug;
}
/**
* Loads all available plugins with additional attributes and settings needed by UpdraftCentral
*
* @param array $query Parameter array Any available parameters needed for this action
* @return array Contains the result of the current process
*/
public function load_plugins($query) {
$permissions = array('install_plugins', 'activate_plugins');
if (is_multisite() && !is_super_admin(get_current_user_id())) $permissions = array('activate_plugins');
$error = $this->_validate_fields_and_capabilities($query, array(), $permissions);
if (!empty($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 plugins for update
$plugin_updates = $updates->get_item_updates('plugins');
// Get all plugins
$plugins = get_plugins();
if (is_multisite() && !is_super_admin(get_current_user_id())) {
// If the "Plugins" menu is disabled for the subsites on a multisite
// network then we return an empty "plugins" array.
$menu_items = get_site_option('menu_items');
if (empty($menu_items) || !isset($menu_items['plugins'])) {
$plugins = array();
} else {
$show_network_active = apply_filters('show_network_active_plugins', current_user_can('manage_network_plugins'));
$filtered_plugins = array();
foreach ($plugins as $file => $data) {
if (is_network_only_plugin($file) && !is_plugin_active($file)) {
if ($show_network_active) $filtered_plugins[$file] = $data;
} elseif (is_plugin_active_for_network($file)) {
if ($show_network_active) $filtered_plugins[$file] = $data;
} else {
$filtered_plugins[$file] = $data;
}
}
$plugins = $filtered_plugins;
}
}
foreach ($plugins as $key => $value) {
$slug = $this->extract_slug_from_info($key, $value);
$plugin = new stdClass();
$plugin->name = $value['Name'];
$plugin->description = $value['Description'];
$plugin->slug = $slug;
$plugin->version = $value['Version'];
$plugin->author = $value['Author'];
$plugin->status = is_plugin_active($key) ? 'active' : 'inactive';
$plugin->website = $website;
$plugin->multisite = is_multisite();
$plugin->site_url = trailingslashit(get_bloginfo('url'));
if (!empty($plugin_updates[$key])) {
$update_info = $plugin_updates[$key];
if (version_compare($update_info->Version, $update_info->update->new_version, '<')) {
if (!empty($update_info->update->new_version)) $plugin->latest_version = $update_info->update->new_version;
if (!empty($update_info->update->package)) $plugin->download_link = $update_info->update->package;
if (!empty($update_info->update->sections)) $plugin->sections = $update_info->update->sections;
}
}
if (empty($plugin->short_description) && !empty($plugin->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('.', $plugin->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];
$plugin->short_description = $short_description.'.';
}
$results[] = $plugin;
}
$result = array(
'plugins' => $results,
'is_super_admin' => is_super_admin(),
);
$result = array_merge($result, $this->_get_backup_credentials_settings(WP_PLUGIN_DIR));
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_plugin_requirements() {
return $this->_response($this->_get_backup_credentials_settings(WP_PLUGIN_DIR));
}
}