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<?php / ******************************************* * LiteSpeed Web Server WordPress Dash Notifier * * @author LiteSpeed Technologies, Inc. (https://www.litespeedtech.com) * @copyright (c) 2019 * ******************************************* / namespace Lsc\Wp; use \Lsc\Wp\Context\Context; class DashNotifier { const BYPASS_FLAG = '.dash_notifier_bypass'; const DASH_MD5 = 'dash_md5'; const DASH_PLUGIN = 'dash-notifier/dash-notifier.php'; const DEFAULT_PLUGIN_PATH = '/wp-content/plugins/dash-notifier'; /* * @deprecated 1.9 / const DOWNLOAD_DIR = '/usr/src/litespeed-wp-plugin'; const PLUGIN_NAME = 'dash-notifier'; const VER_FILE = 'dash_ver'; private function __construct() { } /* * * @since 1.9 * * @return void * @throws LSCMException Thrown indirectly. / public static function prepLocalDashPluginFiles() { $dashVerFile = Context::LOCAL_PLUGIN_DIR . '/' . self::VER_FILE; if ( ! file_exists($dashVerFile) ) { $latestVer = self::getLatestVersion(); self::downloadVersion($latestVer); return; } $localVer = trim(file_get_contents($dashVerFile)); $pluginDir = Context::LOCAL_PLUGIN_DIR . '/' . self::PLUGIN_NAME; if ( ! file_exists($pluginDir) ) { self::downloadVersion($localVer); return; } $md5File = Context::LOCAL_PLUGIN_DIR . '/' . self::DASH_MD5; $md5StoredVal = file_get_contents($md5File); $md5Val = Util::DirectoryMd5($pluginDir); if ( $md5StoredVal != $md5Val ) { self::downloadVersion($localVer); return; } clearstatcache(); if ( (time() - filemtime($dashVerFile)) > 86400 ) { try { $latestVer = self::getLatestVersion(); if ( version_compare($latestVer, $localVer, '<') ) { self::downloadVersion($latestVer); } } catch ( LSCMException $e ) { Logger::error($e->getMessage()); } touch($dashVerFile); } } /* * * @since 1.9 * * @return string * @throws LSCMException / public static function getLatestVersion() { $latestVer = ''; $latestVerUrl = 'https://www.litespeedtech.com/packages/lswpcache/dash_latest'; $content = Util::get_url_contents($latestVerUrl); if ( empty($content) ) { throw new LSCMException('Could not retrieve latest Dash Notifier plugin version'); } $latestVer = trim($content); return $latestVer; } /* * * @since 1.9 * * @param string $version * @throws LSCMException Thrown indirectly. / protected static function downloadVersion( $version ) { $pluginDir = Context::LOCAL_PLUGIN_DIR . '/' . self::PLUGIN_NAME; if ( file_exists($pluginDir) ) { exec("/bin/rm -rf {$pluginDir}"); } self::wgetPlugin($version, true); } /* * * @since 1.9 * * @param string $version * @param boolean $saveMD5 * @throws LSCMException Thrown directly and indirectly. / protected static function wgetPlugin( $version, $saveMD5 = false ) { Logger::info("Downloading Dash Notifier v{$version}..."); $pluginDir = Context::LOCAL_PLUGIN_DIR . '/' . self::PLUGIN_NAME; $zipFileName = self::PLUGIN_NAME . ".{$version}.zip"; $localZipFile = Context::LOCAL_PLUGIN_DIR . "/{$zipFileName}"; $url = "https://downloads.wordpress.org/plugin/{$zipFileName}"; $wget_command = "wget -q --tries=1 --no-check-certificate {$url} -P " . Context::LOCAL_PLUGIN_DIR; exec($wget_command, $output, $return_var); if ( $return_var !== 0 ) { throw new LSCMException("Failed to download Dash Notifier v{$version} with wget " . "exit status {$return_var}.", LSCMException::E_NON_FATAL); } $extracted = Util::unzipFile($localZipFile, Context::LOCAL_PLUGIN_DIR); unlink($localZipFile); if ( ! $extracted ) { throw new LSCMException("Unable to unzip {$localZipFile}", LSCMException::E_NON_FATAL); } $testfile = "{$pluginDir}/" . self::PLUGIN_NAME . '.php'; if ( ! file_exists($testfile) ) { throw new LSCMException("Unable to download Dash Notifier v{$version}.", LSCMException::E_NON_FATAL); } if ( $saveMD5 ) { $md5Val = Util::DirectoryMd5($pluginDir); file_put_contents(Context::LOCAL_PLUGIN_DIR . '/' . self::DASH_MD5, $md5Val); } file_put_contents(Context::LOCAL_PLUGIN_DIR . '/' . self::VER_FILE, $version); } /* * Check if WordPress installation should be notified using the Dash * Notifier plugin. * * @param string $wpPath WordPress installation root directory. * @return boolean / public static function canNotify( $wpPath ) { if ( file_exists("{$wpPath}/" . self::BYPASS_FLAG) ) { return false; } return true; } /* * Checks the current installation for existing LSCWP plugin files and * copies them to the installation's plugins directory if not found. * This function should only be run as the user. * * @return boolean True when new Dash Notifier plugin files are * used. * @throws LSCMException / public static function prepareUserInstall() { $pluginDir = WP_PLUGIN_DIR; $dashNotifierPlugin = "{$pluginDir}/dash-notifier/dash-notifier.php"; if ( file_exists($dashNotifierPlugin) ) { /* * Existing installation detected. / return false; } $pluginSrc = Context::LOCAL_PLUGIN_DIR . '/' . self::PLUGIN_NAME; exec("/bin/cp -rf {$pluginSrc} {$pluginDir}"); if ( !file_exists($dashNotifierPlugin) ) { throw new LSCMException("Failed to copy Dash Notifier plugin files to " . "{$pluginDir}.", LSCMException::E_NON_FATAL); } Logger::debug("Copied Dash Notifier plugin files into plugins directory {$pluginDir}"); return true; } /* * Activate Dash Notifier plugin if it is not already activated, and give * the plugin any notification data in the form of a JSON encoded array. * * @param string $jsonInfo Dash Notifier plugin info. * @return boolean * @throws LSCMException / public static function doNotify( $jsonInfo ) { if ( file_exists(WP_PLUGIN_DIR . '/' . self::DASH_PLUGIN) ) { /* * Used to pass info to the Dash Notifier Plugin. / define( 'DASH_NOTIFIER_MSG', $jsonInfo); if ( !is_plugin_active(self::DASH_PLUGIN) ) { /* * Should not check directly, can error on success due to object * cache. / activate_plugin(self::DASH_PLUGIN, '', false, false); if ( !is_plugin_active(self::DASH_PLUGIN) ) { return false; } } else { include WP_PLUGIN_DIR . '/' . self::DASH_PLUGIN; } } else { throw new LSCMException('Dash Notifier plugin files are missing. Cannot notify.', LSCMException::E_NON_FATAL); } return true; } /* * WP Functions: deactivate_plugins(), delete_plugins() * * @param boolean $uninstall */ public static function deactivate( $uninstall ) { deactivate_plugins(self::DASH_PLUGIN); if ( $uninstall ) { //add some msg about having removed plugin files? delete_plugins(array( self::DASH_PLUGIN )); } } }

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