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553 lines
16 KiB
553 lines
16 KiB
5 years ago
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<?php
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class wfUpdateCheck {
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private $needs_core_update = false;
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private $core_update_version = 0;
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private $plugin_updates = array();
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private $all_plugins = array();
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private $plugin_slugs = array();
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private $theme_updates = array();
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private $api = null;
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public function __construct() {
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$this->api = new wfAPI(wfConfig::get('apiKey'), wfUtils::getWPVersion());
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}
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public function __sleep() {
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return array('needs_core_update', 'core_update_version', 'plugin_updates', 'all_plugins', 'plugin_slugs', 'theme_updates');
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}
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public function __wakeup() {
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$this->api = new wfAPI(wfConfig::get('apiKey'), wfUtils::getWPVersion());
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}
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/**
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* @return bool
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*/
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public function needsAnyUpdates() {
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return $this->needsCoreUpdate() || count($this->getPluginUpdates()) > 0 || count($this->getThemeUpdates()) > 0;
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}
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/**
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* Check for any core, plugin or theme updates.
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*
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* @return $this
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*/
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public function checkAllUpdates($useCachedValued = true) {
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return $this->checkCoreUpdates($useCachedValued)
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->checkPluginUpdates($useCachedValued)
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->checkThemeUpdates($useCachedValued);
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}
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/**
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* Check if there is an update to the WordPress core.
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*
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* @return $this
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*/
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public function checkCoreUpdates($useCachedValued = true) {
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$this->needs_core_update = false;
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if (!function_exists('wp_version_check')) {
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require_once(ABSPATH . WPINC . '/update.php');
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}
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if (!function_exists('get_preferred_from_update_core')) {
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require_once(ABSPATH . 'wp-admin/includes/update.php');
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}
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include(ABSPATH . WPINC . '/version.php'); //defines $wp_version
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$update_core = get_preferred_from_update_core();
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if ($useCachedValued && isset($update_core->last_checked) && isset($update_core->version_checked) && 12 * HOUR_IN_SECONDS > (time() - $update_core->last_checked) && $update_core->version_checked == $wp_version) { //Duplicate of _maybe_update_core, which is a private call
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//Do nothing, use cached value
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}
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else {
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wp_version_check();
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$update_core = get_preferred_from_update_core();
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}
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if (isset($update_core->response) && $update_core->response == 'upgrade') {
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$this->needs_core_update = true;
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$this->core_update_version = $update_core->current;
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}
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return $this;
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}
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/**
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* Check if any plugins need an update.
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*
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* @return $this
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*/
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public function checkPluginUpdates($useCachedValued = true) {
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$this->plugin_updates = array();
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if (!function_exists('wp_update_plugins')) {
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require_once(ABSPATH . WPINC . '/update.php');
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}
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if (!function_exists('plugins_api')) {
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require_once(ABSPATH . '/wp-admin/includes/plugin-install.php');
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}
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$update_plugins = get_site_transient('update_plugins');
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if ($useCachedValued && isset($update_plugins->last_checked) && 12 * HOUR_IN_SECONDS > (time() - $update_plugins->last_checked)) { //Duplicate of _maybe_update_plugins, which is a private call
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//Do nothing, use cached value
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}
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else {
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wp_update_plugins();
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$update_plugins = get_site_transient('update_plugins');
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}
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//Get the full plugin list
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if (!function_exists('get_plugins')) {
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require_once(ABSPATH . '/wp-admin/includes/plugin.php');
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}
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$installedPlugins = get_plugins();
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if ($update_plugins && !empty($update_plugins->response)) {
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foreach ($update_plugins->response as $plugin => $vals) {
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if (!function_exists('get_plugin_data')) {
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require_once(ABSPATH . '/wp-admin/includes/plugin.php');
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}
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$pluginFile = wfUtils::getPluginBaseDir() . $plugin;
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if (!file_exists($pluginFile)) { //Plugin has been removed since the update status was pulled
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unset($installedPlugins[$plugin]);
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continue;
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}
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$valsArray = (array) $vals;
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$slug = (isset($valsArray['slug']) ? $valsArray['slug'] : null);
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if ($slug === null) { //Plugin may have been removed from the repo or was never in it so guess
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if (preg_match('/^([^\/]+)\//', $pluginFile, $matches)) {
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$slug = $matches[1];
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}
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else if (preg_match('/^([^\/.]+)\.php$/', $pluginFile, $matches)) {
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$slug = $matches[1];
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}
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}
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$data = get_plugin_data($pluginFile);
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$data['pluginFile'] = $pluginFile;
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$data['newVersion'] = (isset($valsArray['new_version']) ? $valsArray['new_version'] : 'Unknown');
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$data['slug'] = $slug;
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$data['wpURL'] = (isset($valsArray['url']) ? rtrim($valsArray['url'], '/') : null);
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//Check the vulnerability database
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if ($slug !== null && isset($data['Version'])) {
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$status = $this->isPluginVulnerable($slug, $data['Version']);
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$data['vulnerable'] = !!$status;
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if (is_string($status)) {
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$data['vulnerabilityLink'] = $status;
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}
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}
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else {
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$data['vulnerable'] = false;
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}
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if ($slug !== null) {
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$this->plugin_slugs[] = $slug;
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$this->all_plugins[$slug] = $data;
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}
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$this->plugin_updates[] = $data;
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unset($installedPlugins[$plugin]);
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}
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}
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//We have to grab the slugs from the update response because no built-in function exists to return the true slug from the local files
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if ($update_plugins && !empty($update_plugins->no_update)) {
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foreach ($update_plugins->no_update as $plugin => $vals) {
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if (!function_exists('get_plugin_data')) {
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require_once(ABSPATH . '/wp-admin/includes/plugin.php');
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}
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$pluginFile = wfUtils::getPluginBaseDir() . $plugin;
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if (!file_exists($pluginFile)) { //Plugin has been removed since the update status was pulled
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unset($installedPlugins[$plugin]);
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continue;
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}
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$valsArray = (array) $vals;
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$data = get_plugin_data($pluginFile);
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$data['pluginFile'] = $pluginFile;
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$data['slug'] = (isset($valsArray['slug']) ? $valsArray['slug'] : null);
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$data['wpURL'] = (isset($valsArray['url']) ? rtrim($valsArray['url'], '/') : null);
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//Check the vulnerability database
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if (isset($valsArray['slug']) && isset($data['Version'])) {
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$status = $this->isPluginVulnerable($valsArray['slug'], $data['Version']);
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$data['vulnerable'] = !!$status;
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if (is_string($status)) {
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$data['vulnerabilityLink'] = $status;
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}
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}
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else {
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$data['vulnerable'] = false;
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}
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if (isset($valsArray['slug'])) {
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$this->plugin_slugs[] = $valsArray['slug'];
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$this->all_plugins[$valsArray['slug']] = $data;
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}
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unset($installedPlugins[$plugin]);
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}
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}
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//Get the remaining plugins (not in the wordpress.org repo for whatever reason)
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foreach ($installedPlugins as $plugin => $data) {
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$pluginFile = wfUtils::getPluginBaseDir() . $plugin;
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if (!file_exists($pluginFile)) { //Plugin has been removed since the list was generated
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continue;
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}
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$data = get_plugin_data($pluginFile);
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$slug = null;
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if (preg_match('/^([^\/]+)\//', $plugin, $matches)) {
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$slug = $matches[1];
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}
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else if (preg_match('/^([^\/.]+)\.php$/', $plugin, $matches)) {
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$slug = $matches[1];
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}
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if ($slug !== null) {
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$this->plugin_slugs[] = $slug;
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$this->all_plugins[$slug] = $data;
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}
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}
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return $this;
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}
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/**
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* Check if any themes need an update.
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*
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* @return $this
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*/
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public function checkThemeUpdates($useCachedValued = true) {
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$this->theme_updates = array();
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if (!function_exists('wp_update_themes')) {
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require_once(ABSPATH . WPINC . '/update.php');
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}
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$update_themes = get_site_transient('update_themes');
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if ($useCachedValued && isset($update_themes->last_checked) && 12 * HOUR_IN_SECONDS > (time() - $update_themes->last_checked)) { //Duplicate of _maybe_update_themes, which is a private call
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//Do nothing, use cached value
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}
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else {
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wp_update_themes();
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$update_themes = get_site_transient('update_themes');
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}
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if ($update_themes && (!empty($update_themes->response))) {
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if (!function_exists('wp_get_themes')) {
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require_once(ABSPATH . '/wp-includes/theme.php');
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}
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$themes = wp_get_themes();
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foreach ($update_themes->response as $theme => $vals) {
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foreach ($themes as $name => $themeData) {
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if (strtolower($name) == $theme) {
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$vulnerable = false;
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if (isset($themeData['Version'])) {
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$vulnerable = $this->isThemeVulnerable($theme, $themeData['Version']);
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}
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$this->theme_updates[] = array(
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'newVersion' => (isset($vals['new_version']) ? $vals['new_version'] : 'Unknown'),
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'package' => (isset($vals['package']) ? $vals['package'] : null),
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'URL' => (isset($vals['url']) ? $vals['url'] : null),
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'Name' => $themeData['Name'],
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'name' => $themeData['Name'],
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'version' => $themeData['Version'],
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'vulnerable' => $vulnerable
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);
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}
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}
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}
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}
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return $this;
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}
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public function checkAllVulnerabilities() {
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$this->checkPluginVulnerabilities();
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$this->checkThemeVulnerabilities();
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}
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public function checkPluginVulnerabilities() {
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if (!function_exists('wp_update_plugins')) {
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require_once(ABSPATH . WPINC . '/update.php');
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}
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if (!function_exists('plugins_api')) {
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require_once(ABSPATH . '/wp-admin/includes/plugin-install.php');
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}
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$vulnerabilities = array();
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//Get the full plugin list
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if (!function_exists('get_plugins')) {
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require_once(ABSPATH . '/wp-admin/includes/plugin.php');
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}
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$installedPlugins = get_plugins();
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//Get the info for plugins on wordpress.org
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$this->checkPluginUpdates();
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$update_plugins = get_site_transient('update_plugins');
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if ($update_plugins) {
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if (!function_exists('get_plugin_data'))
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{
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require_once(ABSPATH . '/wp-admin/includes/plugin.php');
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}
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if (!empty($update_plugins->response)) {
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foreach ($update_plugins->response as $plugin => $vals) {
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$pluginFile = wfUtils::getPluginBaseDir() . $plugin;
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if (!file_exists($pluginFile)) { //Plugin has been removed since the update status was pulled
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unset($installedPlugins[$plugin]);
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continue;
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}
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$valsArray = (array) $vals;
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$data = get_plugin_data($pluginFile);
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$slug = (isset($valsArray['slug']) ? $valsArray['slug'] : null);
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if ($slug === null) { //Plugin may have been removed from the repo or was never in it so guess
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if (preg_match('/^([^\/]+)\//', $plugin, $matches)) {
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$slug = $matches[1];
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}
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else if (preg_match('/^([^\/.]+)\.php$/', $plugin, $matches)) {
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$slug = $matches[1];
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}
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}
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$record = array();
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$record['slug'] = $slug;
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$record['toVersion'] = (isset($valsArray['new_version']) ? $valsArray['new_version'] : 'Unknown');
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$record['fromVersion'] = (isset($data['Version']) ? $data['Version'] : 'Unknown');
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$record['vulnerable'] = false;
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$vulnerabilities[] = $record;
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unset($installedPlugins[$plugin]);
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}
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}
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if (!empty($update_plugins->no_update)) {
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foreach ($update_plugins->no_update as $plugin => $vals) {
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$pluginFile = wfUtils::getPluginBaseDir() . $plugin;
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if (!file_exists($pluginFile)) { //Plugin has been removed since the update status was pulled
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unset($installedPlugins[$plugin]);
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continue;
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}
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$valsArray = (array) $vals;
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$data = get_plugin_data($pluginFile);
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$slug = (isset($valsArray['slug']) ? $valsArray['slug'] : null);
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if ($slug === null) { //Plugin may have been removed from the repo or was never in it so guess
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if (preg_match('/^([^\/]+)\//', $plugin, $matches)) {
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$slug = $matches[1];
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}
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else if (preg_match('/^([^\/.]+)\.php$/', $plugin, $matches)) {
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$slug = $matches[1];
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}
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}
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$record = array();
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$record['slug'] = $slug;
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$record['fromVersion'] = (isset($data['Version']) ? $data['Version'] : 'Unknown');
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$record['vulnerable'] = false;
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$vulnerabilities[] = $record;
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unset($installedPlugins[$plugin]);
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}
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}
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}
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//Get the remaining plugins (not in the wordpress.org repo for whatever reason)
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foreach ($installedPlugins as $plugin => $data) {
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$pluginFile = wfUtils::getPluginBaseDir() . $plugin;
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if (!file_exists($pluginFile)) { //Plugin has been removed since the update status was pulled
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continue;
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}
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$data = get_plugin_data($pluginFile);
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$slug = null;
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if (preg_match('/^([^\/]+)\//', $plugin, $matches)) {
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$slug = $matches[1];
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}
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else if (preg_match('/^([^\/.]+)\.php$/', $plugin, $matches)) {
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$slug = $matches[1];
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}
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$record = array();
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$record['slug'] = $slug;
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$record['fromVersion'] = (isset($data['Version']) ? $data['Version'] : 'Unknown');
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$record['vulnerable'] = false;
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$vulnerabilities[] = $record;
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}
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if (count($vulnerabilities) > 0) {
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try {
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$result = $this->api->call('plugin_vulnerability_check', array(), array(
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'plugins' => json_encode($vulnerabilities),
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));
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foreach ($vulnerabilities as &$v) {
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$vulnerableList = $result['vulnerable'];
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foreach ($vulnerableList as $r) {
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if ($r['slug'] == $v['slug']) {
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$v['vulnerable'] = !!$r['vulnerable'];
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if (isset($r['link'])) {
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$v['link'] = $r['link'];
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}
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break;
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}
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}
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}
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}
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catch (Exception $e) {
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//Do nothing
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}
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||
|
wfConfig::set_ser('vulnerabilities_plugin', $vulnerabilities);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public function checkThemeVulnerabilities() {
|
||
|
if (!function_exists('wp_update_themes')) {
|
||
|
require_once(ABSPATH . WPINC . '/update.php');
|
||
|
}
|
||
|
|
||
|
if (!function_exists('plugins_api')) {
|
||
|
require_once(ABSPATH . '/wp-admin/includes/plugin-install.php');
|
||
|
}
|
||
|
|
||
|
$this->checkThemeUpdates();
|
||
|
$update_themes = get_site_transient('update_themes');
|
||
|
|
||
|
$vulnerabilities = array();
|
||
|
if ($update_themes && !empty($update_themes->response)) {
|
||
|
if (!function_exists('get_plugin_data'))
|
||
|
{
|
||
|
require_once(ABSPATH . '/wp-admin/includes/plugin.php');
|
||
|
}
|
||
|
|
||
|
foreach ($update_themes->response as $themeSlug => $vals) {
|
||
|
|
||
|
$valsArray = (array) $vals;
|
||
|
$theme = wp_get_theme($themeSlug);
|
||
|
|
||
|
$record = array();
|
||
|
$record['slug'] = $themeSlug;
|
||
|
$record['toVersion'] = (isset($valsArray['new_version']) ? $valsArray['new_version'] : 'Unknown');
|
||
|
$record['fromVersion'] = $theme->version;
|
||
|
$record['vulnerable'] = false;
|
||
|
$vulnerabilities[] = $record;
|
||
|
}
|
||
|
|
||
|
try {
|
||
|
$result = $this->api->call('theme_vulnerability_check', array(), array(
|
||
|
'themes' => json_encode($vulnerabilities),
|
||
|
));
|
||
|
|
||
|
foreach ($vulnerabilities as &$v) {
|
||
|
$vulnerableList = $result['vulnerable'];
|
||
|
foreach ($vulnerableList as $r) {
|
||
|
if ($r['slug'] == $v['slug']) {
|
||
|
$v['vulnerable'] = !!$r['vulnerable'];
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
catch (Exception $e) {
|
||
|
//Do nothing
|
||
|
}
|
||
|
|
||
|
wfConfig::set_ser('vulnerabilities_theme', $vulnerabilities);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public function isPluginVulnerable($slug, $version) {
|
||
|
return $this->_isSlugVulnerable('vulnerabilities_plugin', $slug, $version);
|
||
|
}
|
||
|
|
||
|
public function isThemeVulnerable($slug, $version) {
|
||
|
return $this->_isSlugVulnerable('vulnerabilities_theme', $slug, $version);
|
||
|
}
|
||
|
|
||
|
private function _isSlugVulnerable($vulnerabilitiesKey, $slug, $version) {
|
||
|
$vulnerabilities = wfConfig::get_ser($vulnerabilitiesKey, array());
|
||
|
foreach ($vulnerabilities as $v) {
|
||
|
if ($v['slug'] == $slug) {
|
||
|
if ($v['fromVersion'] == 'Unknown' && $v['toVersion'] == 'Unknown') {
|
||
|
if ($v['vulnerable'] && isset($v['link']) && is_string($v['link'])) { return $v['link']; }
|
||
|
return $v['vulnerable'];
|
||
|
}
|
||
|
else if ((!isset($v['toVersion']) || $v['toVersion'] == 'Unknown') && version_compare($version, $v['fromVersion']) >= 0) {
|
||
|
if ($v['vulnerable'] && isset($v['link']) && is_string($v['link'])) { return $v['link']; }
|
||
|
return $v['vulnerable'];
|
||
|
}
|
||
|
else if ($v['fromVersion'] == 'Unknown' && isset($v['toVersion']) && version_compare($version, $v['toVersion']) < 0) {
|
||
|
if ($v['vulnerable'] && isset($v['link']) && is_string($v['link'])) { return $v['link']; }
|
||
|
return $v['vulnerable'];
|
||
|
}
|
||
|
else if (version_compare($version, $v['fromVersion']) >= 0 && isset($v['toVersion']) && version_compare($version, $v['toVersion']) < 0) {
|
||
|
if ($v['vulnerable'] && isset($v['link']) && is_string($v['link'])) { return $v['link']; }
|
||
|
return $v['vulnerable'];
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function needsCoreUpdate() {
|
||
|
return $this->needs_core_update;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @return int
|
||
|
*/
|
||
|
public function getCoreUpdateVersion() {
|
||
|
return $this->core_update_version;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @return array
|
||
|
*/
|
||
|
public function getPluginUpdates() {
|
||
|
return $this->plugin_updates;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @return array
|
||
|
*/
|
||
|
public function getAllPlugins() {
|
||
|
return $this->all_plugins;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @return array
|
||
|
*/
|
||
|
public function getPluginSlugs() {
|
||
|
return $this->plugin_slugs;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @return array
|
||
|
*/
|
||
|
public function getThemeUpdates() {
|
||
|
return $this->theme_updates;
|
||
|
}
|
||
|
}
|