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📄 activation.cls.php(15.06 KB)
📄 admin-display.cls.php(33.98 KB)
📄 admin-settings.cls.php(9.15 KB)
📄 admin.cls.php(4.51 KB)
📄 api.cls.php(11.28 KB)
📄 avatar.cls.php(6.26 KB)
📄 base.cls.php(30.87 KB)
📁 cdn
📄 cdn-setup.cls.php(9.76 KB)
📄 cdn.cls.php(13.52 KB)
📄 cloud.cls.php(40 KB)
📄 conf.cls.php(18.9 KB)
📄 control.cls.php(20.75 KB)
📄 core.cls.php(19.6 KB)
📄 crawler-map.cls.php(13.44 KB)
📄 crawler.cls.php(31.24 KB)
📄 css.cls.php(13.07 KB)
📄 data.cls.php(17.3 KB)
📄 data.upgrade.func.php(22.31 KB)
📁 data_structure
📄 db-optm.cls.php(8.66 KB)
📄 debug2.cls.php(11.98 KB)
📄 doc.cls.php(4.04 KB)
📄 error.cls.php(6.38 KB)
📄 esi.cls.php(26.45 KB)
📄 file.cls.php(10.47 KB)
📄 gui.cls.php(27.87 KB)
📄 health.cls.php(3 KB)
📄 htaccess.cls.php(24.33 KB)
📄 img-optm.cls.php(55.81 KB)
📄 import.cls.php(4.32 KB)
📄 instance.cls.php(153 B)
📄 lang.cls.php(16.64 KB)
📄 localization.cls.php(3.53 KB)
📄 media.cls.php(27.1 KB)
📄 metabox.cls.php(4.22 KB)
📄 object-cache.cls.php(15.82 KB)
📄 object.lib.php(33.85 KB)
📄 optimize.cls.php(35.34 KB)
📄 optimizer.cls.php(8.81 KB)
📄 placeholder.cls.php(14.5 KB)
📄 preset.cls.php(5.56 KB)
📄 purge.cls.php(30.43 KB)
📄 report.cls.php(5.43 KB)
📄 rest.cls.php(7.62 KB)
📄 root.cls.php(12.9 KB)
📄 router.cls.php(17.82 KB)
📄 str.cls.php(1.18 KB)
📄 tag.cls.php(8.78 KB)
📄 task.cls.php(4.41 KB)
📄 tool.cls.php(3.41 KB)
📄 ucss.cls.php(14.77 KB)
📄 utility.cls.php(21.15 KB)
📄 vary.cls.php(19.63 KB)
📄 vpi.cls.php(7.54 KB)

Editing: avatar.cls.php

<?php
/**
 * The avatar cache class
 *
 * @since 		3.0
 * @package    	LiteSpeed
 * @subpackage 	LiteSpeed/inc
 * @author     	LiteSpeed Technologies <info@litespeedtech.com>
 */
namespace LiteSpeed;

defined( 'WPINC' ) || exit;

class Avatar extends Base {
	const TYPE_GENERATE = 'generate';

private $_conf_cache_ttl;
	private $_tb;

private $_avatar_realtime_gen_dict = array();
	protected $_summary;

/**
	 * Init
	 *
	 * @since  1.4
	 */
	public function __construct() {
		if ( ! $this->conf( self::O_DISCUSS_AVATAR_CACHE ) ) {
			return;
		}

Debug2::debug2( '[Avatar] init' );

$this->_tb = $this->cls( 'Data' )->tb( 'avatar' );

$this->_conf_cache_ttl = $this->conf( self::O_DISCUSS_AVATAR_CACHE_TTL );

add_filter( 'get_avatar_url', array( $this, 'crawl_avatar' ) );

$this->_summary = self::get_summary();
	}

/**
	 * Check if need db table or not
	 *
	 * @since 3.0
	 * @access public
	 */
	public function need_db() {
		if ( $this->conf( self::O_DISCUSS_AVATAR_CACHE ) ) {
			return true;
		}

return false;
	}
	/**
	 * Get gravatar URL from DB and regenarate
	 *
	 * @since  3.0
	 * @access public
	 */
	public function serve_static( $md5 ) {
		global $wpdb;

Debug2::debug( '[Avatar] is avatar request' );

if ( strlen( $md5 ) !== 32 ) {
			Debug2::debug( '[Avatar] wrong md5 ' . $md5 );
			return;
		}

$q = "SELECT url FROM `$this->_tb` WHERE md5=%s";
		$url = $wpdb->get_var( $wpdb->prepare( $q, $md5 ) );

if ( ! $url ) {
			Debug2::debug( '[Avatar] no matched url for md5 ' . $md5 );
			return;
		}

$url = $this->_generate( $url );

wp_redirect( $url );
		exit;
	}

/**
	 * Localize gravatar
	 *
	 * @since  3.0
	 * @access public
	 */
	public function crawl_avatar( $url ) {
		if ( ! $url ) {
			return $url;
		}

// Check if its already in dict or not
		if ( ! empty( $this->_avatar_realtime_gen_dict[ $url ] ) ) {
			Debug2::debug2( '[Avatar] already in dict [url] ' . $url );

return $this->_avatar_realtime_gen_dict[ $url ];
		}

$realpath = $this->_realpath( $url );
		if ( file_exists( $realpath ) && time() - filemtime( $realpath ) <= $this->_conf_cache_ttl ) {
			Debug2::debug2( '[Avatar] cache file exists [url] ' . $url );
			return $this->_rewrite( $url, filemtime( $realpath ) );
		}

if ( ! strpos( $url, 'gravatar.com' ) ) {
			return $url;
		}

// Send request
		if ( ! empty( $this->_summary[ 'curr_request' ] ) && time() - $this->_summary[ 'curr_request' ] < 300 ) {
			Debug2::debug2( '[Avatar] Bypass generating due to interval limit [url] ' . $url );
			return $url;
		}

// Generate immediately
		$this->_avatar_realtime_gen_dict[ $url ] = $this->_generate( $url );

return $this->_avatar_realtime_gen_dict[ $url ];
	}

/**
	 * Read last time generated info
	 *
	 * @since  3.0
	 * @access public
	 */
	public function queue_count() {
		global $wpdb;

// If var not exists, mean table not exists // todo: not true
		if ( ! $this->_tb ) {
			return false;
		}

$q = "SELECT COUNT(*) FROM `$this->_tb` WHERE dateline<" . ( time() - $this->_conf_cache_ttl );
		return $wpdb->get_var( $q );
	}

/**
	 * Get the final URL of local avatar
	 *
	 * Check from db also
	 *
	 * @since  3.0
	 */
	private function _rewrite( $url, $time = null ) {
		return LITESPEED_STATIC_URL . '/avatar/' . $this->_filepath( $url ) . ( $time ? '?ver=' . $time : '' );
	}

/**
	 * Generate realpath of the cache file
	 *
	 * @since  3.0
	 * @access private
	 */
	private function _realpath( $url ) {
		return LITESPEED_STATIC_DIR . '/avatar/' . $this->_filepath( $url );
	}

/**
	 * Get filepath
	 *
	 * @since  4.0
	 */
	private function _filepath( $url ) {
		$filename = md5( $url ) . '.jpg';
		if ( is_multisite() ) {
			$filename = get_current_blog_id() . '/' . $filename;
		}
		return $filename;
	}

/**
	 * Cron generation
	 *
	 * @since  3.0
	 * @access public
	 */
	public static function cron( $force = false ) {
		global $wpdb;

$_instance = self::cls();
		if ( ! $_instance->queue_count() ) {
			Debug2::debug( '[Avatar] no queue' );
			return;
		}

// For cron, need to check request interval too
		if ( ! $force ) {
			if ( ! empty( $_instance->_summary[ 'curr_request' ] ) && time() - $_instance->_summary[ 'curr_request' ] < 300 ) {
				Debug2::debug( '[Avatar] curr_request too close' );
				return;
			}
		}

$q = "SELECT url FROM `$_instance->_tb` WHERE dateline < %d ORDER BY id DESC LIMIT %d";
		$q = $wpdb->prepare( $q, array( time() - $_instance->_conf_cache_ttl, apply_filters( 'litespeed_avatar_limit', 30 ) ) );

$list = $wpdb->get_results( $q );
		Debug2::debug( '[Avatar] cron job [count] ' . count( $list ) );

foreach ( $list as $v ) {
			Debug2::debug( '[Avatar] cron job [url] ' . $v->url );

$_instance->_generate( $v->url );
		}
	}

/**
	 * Remote generator
	 *
	 * @since  3.0
	 * @access private
	 */
	private function _generate( $url ) {
		global $wpdb;

// Record the data

$file = $this->_realpath( $url );

// Update request status
		self::save_summary( array( 'curr_request' => time() ) );

// Generate
		$this->_maybe_mk_cache_folder( 'avatar' );

$response = wp_remote_get( $url, array( 'timeout' => 180, 'stream' => true, 'filename' => $file ) );

Debug2::debug( '[Avatar] _generate [url] ' . $url );

// Parse response data
		if ( is_wp_error( $response ) ) {
			$error_message = $response->get_error_message();
			file_exists( $file ) && unlink( $file );
			Debug2::debug( '[Avatar] failed to get: ' . $error_message );
			return $url;
		}

// Save summary data
		self::save_summary( array(
			'last_spent' => time() - $this->_summary[ 'curr_request' ],
			'last_request' => $this->_summary[ 'curr_request' ],
			'curr_request' => 0,
		) );

// Update DB
		$md5 = md5( $url );
		$q = "UPDATE `$this->_tb` SET dateline=%d WHERE md5=%s";
		$existed = $wpdb->query( $wpdb->prepare( $q, array( time(), $md5 ) ) );
		if ( ! $existed ) {
			$q = "INSERT INTO `$this->_tb` SET url=%s, md5=%s, dateline=%d";
			$wpdb->query( $wpdb->prepare( $q, array( $url, $md5, time() ) ) );
		}

Debug2::debug( '[Avatar] saved avatar ' . $file );

return $this->_rewrite( $url );
	}

/**
	 * Handle all request actions from main cls
	 *
	 * @since  3.0
	 * @access public
	 */
	public function handler() {
		$type = Router::verify_type();

switch ( $type ) {
			case self::TYPE_GENERATE :
				self::cron( true );
				break;

default:
				break;
		}

Admin::redirect();
	}

}

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