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<?php
/**
* Smush API class that handles communications with WPMU DEV API: API class
*
* @since 3.0
* @package Smush\Core\Api
*/
namespace Smush\Core\Api;
use WP_Error;
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* Class Smush_API.
*/
class Smush_API extends Abstract_API {
/**
* Endpoint name.
*
* @since 3.0
*
* @var string
*/
public $name = 'smush';
/**
* Endpoint version.
*
* @since 3.0
*
* @var string
*/
public $version = 'v1';
/**
* Check CDN status (same as verify the is_pro status).
*
* @since 3.0
*
* @param bool $manual If it's a manual check. Only manual on button click.
*
* @return mixed|WP_Error
*/
public function check( $manual = false ) {
return $this->backoff_sync( function () {
return $this->request->get(
"check/{$this->api_key}",
array(
'api_key' => $this->api_key,
'domain' => $this->request->get_this_site(),
)
);
}, $manual );
}
/**
* Enable CDN for site.
*
* @since 3.0
*
* @param bool $manual If it's a manual check. Overwrites the exponential back off.
*
* @return mixed|WP_Error
*/
public function enable( $manual = false ) {
return $this->backoff_sync( function () {
return $this->request->post(
'cdn',
array(
'api_key' => $this->api_key,
'domain' => $this->request->get_this_site(),
)
);
}, $manual );
}
private function backoff_sync( $operation, $manual ) {
$defaults = array(
'time' => time(),
'fails' => 0,
);
$last_run = (array) get_site_option( 'wp-smush-last_run_sync', $defaults );
if ( ! empty( $last_run['fails'] ) ) {
$backoff = min( pow( 5, $last_run['fails'] ), HOUR_IN_SECONDS ); // Exponential 5, 25, 125, 625, 3125, 3600 max.
if ( $last_run['fails'] && $last_run['time'] > ( time() - $backoff ) && ! $manual ) {
$last_run['time'] = time();
update_site_option( 'wp-smush-last_run_sync', $last_run );
return new WP_Error( 'api-backoff', __( '[WPMUDEV API] Skipped sync due to API error exponential backoff.', 'wp-smushit' ) );
}
}
$response = call_user_func( $operation );
$last_run['time'] = time();
// Clear the API backoff if it's a manual scan or the API call was a success.
if ( $manual || ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) ) ) {
$last_run['fails'] = 0;
} else {
// For network errors, perform exponential backoff.
$last_run['fails'] = $last_run['fails'] + 1;
}
update_site_option( 'wp-smush-last_run_sync', $last_run );
return $response;
}
}