golden hour

/home/godaofbq/oxythrive.com/wp-content/plugins/litespeed-cache/src

File/Folder	Size	Actions
activation.cls.php	14.99 KB
admin-display.cls.php	33.22 KB
admin-settings.cls.php	9.52 KB
admin.cls.php	4.44 KB
api.cls.php	11.08 KB
avatar.cls.php	6.06 KB
base.cls.php	30.23 KB
cdn	-
cdn-setup.cls.php	10.45 KB
cdn.cls.php	13.13 KB
cloud.cls.php	42.48 KB
conf.cls.php	18.58 KB
control.cls.php	21.75 KB
core.cls.php	20.05 KB
crawler-map.cls.php	14 KB
crawler.cls.php	34.69 KB
css.cls.php	13.1 KB
data.cls.php	17.41 KB
data.upgrade.func.php	21.37 KB
data_structure	-
db-optm.cls.php	9.58 KB
debug2.cls.php	13.1 KB
doc.cls.php	4.74 KB
error.cls.php	6.91 KB
esi.cls.php	26.91 KB
file.cls.php	10.13 KB
gui.cls.php	27.45 KB
health.cls.php	2.89 KB
htaccess.cls.php	23.95 KB
img-optm.cls.php	60.24 KB
import.cls.php	4.15 KB
instance.cls.php	154 B
lang.cls.php	15.47 KB
localization.cls.php	3.38 KB
media.cls.php	31.08 KB
metabox.cls.php	4.21 KB
object-cache.cls.php	15.92 KB
object.lib.php	33.97 KB
optimize.cls.php	36.67 KB
optimizer.cls.php	9.02 KB
placeholder.cls.php	14.15 KB
preset.cls.php	5.43 KB
purge.cls.php	29.79 KB
report.cls.php	5.33 KB
rest.cls.php	7.87 KB
root.cls.php	12.6 KB
router.cls.php	19.08 KB
str.cls.php	1.37 KB
tag.cls.php	8.62 KB
task.cls.php	5.83 KB
tool.cls.php	3.29 KB
ucss.cls.php	14.39 KB
utility.cls.php	20.63 KB
vary.cls.php	19.17 KB
vpi.cls.php	7.41 KB

Edit: 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 regenerate
	 *
	 * @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();
	}
}