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<?php |
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if (!defined('ABSPATH')) exit; |
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|
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class Cloudways extends berqIntegrations { |
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function __construct() { |
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add_action('berqwp_stored_page_cache', [$this, 'flush_page_cache']); |
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add_action('berqwp_flush_page_cache', [$this, 'flush_page_cache']); |
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add_action('berqwp_flush_all_cache', [$this, 'flush_all_page_cache']); |
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} |
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|
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function flush_page_cache($slug = '/') { |
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if (empty($slug)) { |
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$slug = '/'; |
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} |
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$page_url = home_url($slug); |
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$this->flush_cloudways_varnish($page_url); |
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} |
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|
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function flush_cloudways_varnish($url = '') { |
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|
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if (!$this->is_varnish_running()) { |
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return; |
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} |
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|
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if (!$this->is_cloudways_hosting()) { |
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return; |
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} |
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|
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if (empty($url)) { |
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$url = home_url(); |
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} |
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|
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$host = !empty($_SERVER['HTTP_HOST']) ? sanitize_text_field(wp_unslash($_SERVER['HTTP_HOST'])) : ''; |
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berqReverseProxyCache::purge_varnish_cache($url, ['127.0.0.1', $host], 'URLPURGE'); |
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return; |
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|
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$parse_url = parse_url($url); |
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$host = $parse_url['host']; |
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|
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// Setup the request to purge Varnish cache |
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$ch = curl_init(); |
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curl_setopt($ch, CURLOPT_URL, $url); |
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curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PURGE'); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); |
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curl_setopt($ch, CURLOPT_HTTPHEADER, [ |
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"Host: $host" |
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]); |
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|
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$response = curl_exec($ch); |
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
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curl_close($ch); |
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|
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return $httpCode === 200; |
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} |
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|
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function flush_all_page_cache() { |
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|
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if (!$this->is_varnish_running()) { |
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return; |
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} |
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|
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if (!$this->is_cloudways_hosting()) { |
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return; |
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} |
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|
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$url = home_url('/.*'); |
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$host = !empty($_SERVER['HTTP_HOST']) ? sanitize_text_field(wp_unslash($_SERVER['HTTP_HOST'])) : ''; |
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berqReverseProxyCache::purge_varnish_cache($url, ['127.0.0.1', $host], 'PURGE'); |
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return; |
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|
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} |
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|
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function is_varnish_running() { |
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// Check if the 'X-Varnish' or 'X-Cache' headers are present in the response headers |
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if (isset($_SERVER['HTTP_X_VARNISH']) || isset($_SERVER['HTTP_X_CACHE'])) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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function is_cloudways_hosting() { |
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if (isset($_SERVER['cw_allowed_ip']) || isset($_SERVER['HTTP_CF_IPCOUNTRY']) || strpos($_SERVER['DOCUMENT_ROOT'], '.cloudwaysapps.com') !== false) { |
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return true; |
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} |
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|
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return false; |
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} |
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} |
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|
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new Cloudways(); |
