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719 lines
21 KiB
PHTML
719 lines
21 KiB
PHTML
7 months ago
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<?php
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/**
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* @package Freemius
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* @copyright Copyright (c) 2015, Freemius, Inc.
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* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
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* @since 1.0.4
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Class FS_Api
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*
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* Wraps Freemius API SDK to handle:
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* 1. Clock sync.
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* 2. Fallback to HTTP when HTTPS fails.
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* 3. Adds caching layer to GET requests.
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* 4. Adds consistency for failed requests by using last cached version.
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*/
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class FS_Api {
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/**
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* @var FS_Api[]
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*/
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private static $_instances = array();
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/**
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* @var FS_Option_Manager Freemius options, options-manager.
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*/
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private static $_options;
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/**
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* @var FS_Cache_Manager API Caching layer
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*/
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private static $_cache;
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/**
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* @var int Clock diff in seconds between current server to API server.
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*/
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private static $_clock_diff;
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/**
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* @var Freemius_Api_WordPress
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*/
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private $_api;
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/**
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* @var string
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*/
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private $_slug;
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/**
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* @var FS_Logger
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* @since 1.0.4
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*/
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private $_logger;
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/**
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* @author Leo Fajardo (@leorw)
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* @since 2.3.0
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*
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* @var string
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*/
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private $_sdk_version;
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/**
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* @author Leo Fajardo (@leorw)
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* @since 2.5.0
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*
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* @var string
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*/
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private $_url;
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/**
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* @param string $slug
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* @param string $scope 'app', 'developer', 'user' or 'install'.
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* @param number $id Element's id.
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* @param string $public_key Public key.
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* @param bool $is_sandbox
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* @param bool|string $secret_key Element's secret key.
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* @param null|string $sdk_version
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* @param null|string $url
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*
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* @return FS_Api
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*/
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static function instance(
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$slug,
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$scope,
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$id,
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$public_key,
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$is_sandbox,
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$secret_key = false,
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$sdk_version = null,
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$url = null
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) {
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$identifier = md5( $slug . $scope . $id . $public_key . ( is_string( $secret_key ) ? $secret_key : '' ) . json_encode( $is_sandbox ) );
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if ( ! isset( self::$_instances[ $identifier ] ) ) {
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self::_init();
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self::$_instances[ $identifier ] = new FS_Api( $slug, $scope, $id, $public_key, $secret_key, $is_sandbox, $sdk_version, $url );
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}
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return self::$_instances[ $identifier ];
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}
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private static function _init() {
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if ( isset( self::$_options ) ) {
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return;
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}
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if ( ! class_exists( 'Freemius_Api_WordPress' ) ) {
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require_once WP_FS__DIR_SDK . '/FreemiusWordPress.php';
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}
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self::$_options = FS_Option_Manager::get_manager( WP_FS__OPTIONS_OPTION_NAME, true, true );
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self::$_cache = FS_Cache_Manager::get_manager( WP_FS__API_CACHE_OPTION_NAME );
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self::$_clock_diff = self::$_options->get_option( 'api_clock_diff', 0 );
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Freemius_Api_WordPress::SetClockDiff( self::$_clock_diff );
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if ( self::$_options->get_option( 'api_force_http', false ) ) {
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Freemius_Api_WordPress::SetHttp();
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}
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}
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/**
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* @param string $slug
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* @param string $scope 'app', 'developer', 'user' or 'install'.
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* @param number $id Element's id.
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* @param string $public_key Public key.
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* @param bool|string $secret_key Element's secret key.
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* @param bool $is_sandbox
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* @param null|string $sdk_version
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* @param null|string $url
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*/
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private function __construct(
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$slug,
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$scope,
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$id,
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$public_key,
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$secret_key,
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$is_sandbox,
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$sdk_version,
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$url
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) {
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$this->_api = new Freemius_Api_WordPress( $scope, $id, $public_key, $secret_key, $is_sandbox );
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$this->_slug = $slug;
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$this->_sdk_version = $sdk_version;
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$this->_url = $url;
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$this->_logger = FS_Logger::get_logger( WP_FS__SLUG . '_' . $slug . '_api', WP_FS__DEBUG_SDK, WP_FS__ECHO_DEBUG_SDK );
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}
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/**
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* Find clock diff between server and API server, and store the diff locally.
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*
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* @param bool|int $diff
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*
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* @return bool|int False if clock diff didn't change, otherwise returns the clock diff in seconds.
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*/
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private function _sync_clock_diff( $diff = false ) {
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$this->_logger->entrance();
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// Sync clock and store.
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$new_clock_diff = ( false === $diff ) ?
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Freemius_Api_WordPress::FindClockDiff() :
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$diff;
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if ( $new_clock_diff === self::$_clock_diff ) {
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return false;
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}
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self::$_clock_diff = $new_clock_diff;
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// Update API clock's diff.
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Freemius_Api_WordPress::SetClockDiff( self::$_clock_diff );
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// Store new clock diff in storage.
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self::$_options->set_option( 'api_clock_diff', self::$_clock_diff, true );
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return $new_clock_diff;
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}
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/**
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* Override API call to enable retry with servers' clock auto sync method.
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*
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* @param string $path
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* @param string $method
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* @param array $params
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* @param bool $in_retry Is in retry or first call attempt.
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*
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* @return array|mixed|string|void
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*/
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private function _call( $path, $method = 'GET', $params = array(), $in_retry = false ) {
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$this->_logger->entrance( $method . ':' . $path );
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$force_http = ( ! $in_retry && self::$_options->get_option( 'api_force_http', false ) );
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if ( self::is_temporary_down() ) {
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$result = $this->get_temporary_unavailable_error();
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} else {
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/**
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* @since 2.3.0 Include the SDK version with all API requests that going through the API manager. IMPORTANT: Only pass the SDK version if the caller didn't include it yet.
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*/
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if ( ! empty( $this->_sdk_version ) ) {
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if ( false === strpos( $path, 'sdk_version=' ) &&
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! isset( $params['sdk_version'] )
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) {
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// Always add the sdk_version param in the querystring. DO NOT INCLUDE IT IN THE BODY PARAMS, OTHERWISE, IT MAY LEAD TO AN UNEXPECTED PARAMS PARSING IN CASES WHERE THE $params IS A REGULAR NON-ASSOCIATIVE ARRAY.
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$path = add_query_arg( 'sdk_version', $this->_sdk_version, $path );
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}
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}
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/**
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* @since 2.5.0 Include the site's URL, if available, in all API requests that are going through the API manager.
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*/
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if ( ! empty( $this->_url ) ) {
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if ( false === strpos( $path, 'url=' ) &&
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! isset( $params['url'] )
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) {
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$path = add_query_arg( 'url', $this->_url, $path );
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}
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}
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$result = $this->_api->Api( $path, $method, $params );
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if (
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! $in_retry &&
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null !== $result &&
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isset( $result->error ) &&
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isset( $result->error->code )
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) {
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$retry = false;
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if ( 'request_expired' === $result->error->code ) {
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$diff = isset( $result->error->timestamp ) ?
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( time() - strtotime( $result->error->timestamp ) ) :
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false;
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// Try to sync clock diff.
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if ( false !== $this->_sync_clock_diff( $diff ) ) {
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// Retry call with new synced clock.
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$retry = true;
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}
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} else if (
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Freemius_Api_WordPress::IsHttps() &&
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FS_Api::is_ssl_error_response( $result )
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) {
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$force_http = true;
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$retry = true;
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}
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if ( $retry ) {
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if ( $force_http ) {
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$this->toggle_force_http( true );
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}
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$result = $this->_call( $path, $method, $params, true );
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}
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}
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}
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if ( self::is_api_error( $result ) ) {
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if ( $this->_logger->is_on() ) {
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// Log API errors.
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$this->_logger->api_error( $result );
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}
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if ( $force_http ) {
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$this->toggle_force_http( false );
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}
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}
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return $result;
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}
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/**
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* Override API call to wrap it in servers' clock sync method.
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*
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* @param string $path
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* @param string $method
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* @param array $params
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*
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* @return array|mixed|string|void
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* @throws Freemius_Exception
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*/
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function call( $path, $method = 'GET', $params = array() ) {
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return $this->_call( $path, $method, $params );
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}
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/**
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* Get API request URL signed via query string.
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*
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* @param string $path
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*
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* @return string
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*/
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function get_signed_url( $path ) {
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return $this->_api->GetSignedUrl( $path );
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}
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/**
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* @param string $path
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* @param bool $flush
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* @param int $expiration (optional) Time until expiration in seconds from now, defaults to 24 hours
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*
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* @return stdClass|mixed
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*/
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function get( $path = '/', $flush = false, $expiration = WP_FS__TIME_24_HOURS_IN_SEC ) {
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$this->_logger->entrance( $path );
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$cache_key = $this->get_cache_key( $path );
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// Always flush during development.
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if ( WP_FS__DEV_MODE || $this->_api->IsSandbox() ) {
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$flush = true;
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}
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$cached_result = self::$_cache->get( $cache_key );
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if ( $flush || ! self::$_cache->has_valid( $cache_key, $expiration ) ) {
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$result = $this->call( $path );
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if ( ! is_object( $result ) || isset( $result->error ) ) {
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// Api returned an error.
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if ( is_object( $cached_result ) &&
|
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! isset( $cached_result->error )
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) {
|
||
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// If there was an error during a newer data fetch,
|
||
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// fallback to older data version.
|
||
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$result = $cached_result;
|
||
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|
||
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if ( $this->_logger->is_on() ) {
|
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$this->_logger->warn( 'Fallback to cached API result: ' . var_export( $cached_result, true ) );
|
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}
|
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} else {
|
||
|
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if ( is_object( $result ) && isset( $result->error->http ) && 404 == $result->error->http ) {
|
||
|
|
/**
|
||
|
|
* If the response code is 404, cache the result for half of the `$expiration`.
|
||
|
|
*
|
||
|
|
* @author Leo Fajardo (@leorw)
|
||
|
|
* @since 2.2.4
|
||
|
|
*/
|
||
|
|
$expiration /= 2;
|
||
|
|
} else {
|
||
|
|
// If no older data version and the response code is not 404, return result without
|
||
|
|
// caching the error.
|
||
|
|
return $result;
|
||
|
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}
|
||
|
|
}
|
||
|
|
}
|
||
|
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|
||
|
|
self::$_cache->set( $cache_key, $result, $expiration );
|
||
|
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|
||
|
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$cached_result = $result;
|
||
|
|
} else {
|
||
|
|
$this->_logger->log( 'Using cached API result.' );
|
||
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}
|
||
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|
||
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return $cached_result;
|
||
|
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}
|
||
|
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|
||
|
|
/**
|
||
|
|
* @todo Remove this method after migrating Freemius::safe_remote_post() to FS_Api::call().
|
||
|
|
*
|
||
|
|
* @author Leo Fajardo (@leorw)
|
||
|
|
* @since 2.5.4
|
||
|
|
*
|
||
|
|
* @param string $url
|
||
|
|
* @param array $remote_args
|
||
|
|
*
|
||
|
|
* @return array|WP_Error The response array or a WP_Error on failure.
|
||
|
|
*/
|
||
|
|
static function remote_request( $url, $remote_args ) {
|
||
|
|
if ( ! class_exists( 'Freemius_Api_WordPress' ) ) {
|
||
|
|
require_once WP_FS__DIR_SDK . '/FreemiusWordPress.php';
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( method_exists( 'Freemius_Api_WordPress', 'RemoteRequest' ) ) {
|
||
|
|
return Freemius_Api_WordPress::RemoteRequest( $url, $remote_args );
|
||
|
|
}
|
||
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|
||
|
|
// The following is for backward compatibility when a modified PHP SDK version is in use and the `Freemius_Api_WordPress:RemoteRequest()` method doesn't exist.
|
||
|
|
$response = wp_remote_request( $url, $remote_args );
|
||
|
|
|
||
|
|
if (
|
||
|
|
is_array( $response ) &&
|
||
|
|
(
|
||
|
|
empty( $response['headers'] ) ||
|
||
|
|
empty( $response['headers']['x-api-server'] )
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
// API is considered blocked if the response doesn't include the `x-api-server` header. When there's no error but this header doesn't exist, the response is usually not in the expected form (e.g., cannot be JSON-decoded).
|
||
|
|
$response = new WP_Error( 'api_blocked', htmlentities( $response['body'] ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if there's a cached version of the API request.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.2.1
|
||
|
|
*
|
||
|
|
* @param string $path
|
||
|
|
* @param string $method
|
||
|
|
* @param array $params
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function is_cached( $path, $method = 'GET', $params = array() ) {
|
||
|
|
$cache_key = $this->get_cache_key( $path, $method, $params );
|
||
|
|
|
||
|
|
return self::$_cache->has_valid( $cache_key );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Invalidate a cached version of the API request.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.2.1.5
|
||
|
|
*
|
||
|
|
* @param string $path
|
||
|
|
* @param string $method
|
||
|
|
* @param array $params
|
||
|
|
*/
|
||
|
|
function purge_cache( $path, $method = 'GET', $params = array() ) {
|
||
|
|
$this->_logger->entrance( "{$method}:{$path}" );
|
||
|
|
|
||
|
|
$cache_key = $this->get_cache_key( $path, $method, $params );
|
||
|
|
|
||
|
|
self::$_cache->purge( $cache_key );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Invalidate a cached version of the API request.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 2.0.0
|
||
|
|
*
|
||
|
|
* @param string $path
|
||
|
|
* @param int $expiration
|
||
|
|
* @param string $method
|
||
|
|
* @param array $params
|
||
|
|
*/
|
||
|
|
function update_cache_expiration( $path, $expiration = WP_FS__TIME_24_HOURS_IN_SEC, $method = 'GET', $params = array() ) {
|
||
|
|
$this->_logger->entrance( "{$method}:{$path}:{$expiration}" );
|
||
|
|
|
||
|
|
$cache_key = $this->get_cache_key( $path, $method, $params );
|
||
|
|
|
||
|
|
self::$_cache->update_expiration( $cache_key, $expiration );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $path
|
||
|
|
* @param string $method
|
||
|
|
* @param array $params
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
* @throws \Freemius_Exception
|
||
|
|
*/
|
||
|
|
private function get_cache_key( $path, $method = 'GET', $params = array() ) {
|
||
|
|
$canonized = $this->_api->CanonizePath( $path );
|
||
|
|
// $exploded = explode('/', $canonized);
|
||
|
|
// return $method . '_' . array_pop($exploded) . '_' . md5($canonized . json_encode($params));
|
||
|
|
return strtolower( $method . ':' . $canonized ) . ( ! empty( $params ) ? '#' . md5( json_encode( $params ) ) : '' );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Leo Fajardo (@leorw)
|
||
|
|
* @since 2.5.4
|
||
|
|
*
|
||
|
|
* @param bool $is_http
|
||
|
|
*/
|
||
|
|
private function toggle_force_http( $is_http ) {
|
||
|
|
self::$_options->set_option( 'api_force_http', $is_http, true );
|
||
|
|
|
||
|
|
if ( $is_http ) {
|
||
|
|
Freemius_Api_WordPress::SetHttp();
|
||
|
|
} else if ( method_exists( 'Freemius_Api_WordPress', 'SetHttps' ) ) {
|
||
|
|
Freemius_Api_WordPress::SetHttps();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Leo Fajardo (@leorw)
|
||
|
|
* @since 2.5.4
|
||
|
|
*
|
||
|
|
* @param mixed $response
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
static function is_blocked( $response ) {
|
||
|
|
return (
|
||
|
|
self::is_api_error_object( $response, true ) &&
|
||
|
|
isset( $response->error->code ) &&
|
||
|
|
'api_blocked' === $response->error->code
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if API is temporary down.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.1.6
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
static function is_temporary_down() {
|
||
|
|
self::_init();
|
||
|
|
|
||
|
|
$test = self::$_cache->get_valid( 'ping_test', null );
|
||
|
|
|
||
|
|
return ( false === $test );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.1.6
|
||
|
|
*
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
private function get_temporary_unavailable_error() {
|
||
|
|
return (object) array(
|
||
|
|
'error' => (object) array(
|
||
|
|
'type' => 'TemporaryUnavailable',
|
||
|
|
'message' => 'API is temporary unavailable, please retry in ' . ( self::$_cache->get_record_expiration( 'ping_test' ) - WP_FS__SCRIPT_START_TIME ) . ' sec.',
|
||
|
|
'code' => 'temporary_unavailable',
|
||
|
|
'http' => 503
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if based on the API result we should try
|
||
|
|
* to re-run the same request with HTTP instead of HTTPS.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.1.6
|
||
|
|
*
|
||
|
|
* @param $result
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
private static function should_try_with_http( $result ) {
|
||
|
|
if ( ! Freemius_Api_WordPress::IsHttps() ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ( ! is_object( $result ) ||
|
||
|
|
! isset( $result->error ) ||
|
||
|
|
! isset( $result->error->code ) ||
|
||
|
|
! in_array( $result->error->code, array(
|
||
|
|
'curl_missing',
|
||
|
|
'cloudflare_ddos_protection',
|
||
|
|
'maintenance_mode',
|
||
|
|
'squid_cache_block',
|
||
|
|
'too_many_requests',
|
||
|
|
) ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function get_url( $path = '' ) {
|
||
|
|
return Freemius_Api_WordPress::GetUrl( $path, $this->_api->IsSandbox() );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clear API cache.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.0.9
|
||
|
|
*/
|
||
|
|
static function clear_cache() {
|
||
|
|
self::_init();
|
||
|
|
|
||
|
|
self::$_cache = FS_Cache_Manager::get_manager( WP_FS__API_CACHE_OPTION_NAME );
|
||
|
|
self::$_cache->clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Leo Fajardo (@leorw)
|
||
|
|
* @since 2.5.4
|
||
|
|
*/
|
||
|
|
static function clear_force_http_flag() {
|
||
|
|
self::$_options->unset_option( 'api_force_http' );
|
||
|
|
}
|
||
|
|
|
||
|
|
#----------------------------------------------------------------------------------
|
||
|
|
#region Error Handling
|
||
|
|
#----------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.2.1.5
|
||
|
|
*
|
||
|
|
* @param mixed $result
|
||
|
|
*
|
||
|
|
* @return bool Is API result contains an error.
|
||
|
|
*/
|
||
|
|
static function is_api_error( $result ) {
|
||
|
|
return ( is_object( $result ) && isset( $result->error ) ) ||
|
||
|
|
is_string( $result );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 2.0.0
|
||
|
|
*
|
||
|
|
* @param mixed $result
|
||
|
|
* @param bool $ignore_message
|
||
|
|
*
|
||
|
|
* @return bool Is API result contains an error.
|
||
|
|
*/
|
||
|
|
static function is_api_error_object( $result, $ignore_message = false ) {
|
||
|
|
return (
|
||
|
|
is_object( $result ) &&
|
||
|
|
isset( $result->error ) &&
|
||
|
|
( $ignore_message || isset( $result->error->message ) )
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Leo Fajardo (@leorw)
|
||
|
|
* @since 2.5.4
|
||
|
|
*
|
||
|
|
* @param WP_Error|object|string $response
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
static function is_ssl_error_response( $response ) {
|
||
|
|
$http_error = null;
|
||
|
|
|
||
|
|
if ( $response instanceof WP_Error ) {
|
||
|
|
if (
|
||
|
|
isset( $response->errors ) &&
|
||
|
|
isset( $response->errors['http_request_failed'] )
|
||
|
|
) {
|
||
|
|
$http_error = strtolower( $response->errors['http_request_failed'][0] );
|
||
|
|
}
|
||
|
|
} else if (
|
||
|
|
self::is_api_error_object( $response ) &&
|
||
|
|
! empty( $response->error->message )
|
||
|
|
) {
|
||
|
|
$http_error = $response->error->message;
|
||
|
|
}
|
||
|
|
|
||
|
|
return (
|
||
|
|
! empty( $http_error ) &&
|
||
|
|
(
|
||
|
|
false !== strpos( $http_error, 'curl error 35' ) ||
|
||
|
|
(
|
||
|
|
false === strpos( $http_error, '</html>' ) &&
|
||
|
|
false !== strpos( $http_error, 'ssl' )
|
||
|
|
)
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if given API result is a non-empty and not an error object.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.2.1.5
|
||
|
|
*
|
||
|
|
* @param mixed $result
|
||
|
|
* @param string|null $required_property Optional property we want to verify that is set.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
static function is_api_result_object( $result, $required_property = null ) {
|
||
|
|
return (
|
||
|
|
is_object( $result ) &&
|
||
|
|
! isset( $result->error ) &&
|
||
|
|
( empty( $required_property ) || isset( $result->{$required_property} ) )
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if given API result is a non-empty entity object with non-empty ID.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 1.2.1.5
|
||
|
|
*
|
||
|
|
* @param mixed $result
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
static function is_api_result_entity( $result ) {
|
||
|
|
return self::is_api_result_object( $result, 'id' ) &&
|
||
|
|
FS_Entity::is_valid_id( $result->id );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get API result error code. If failed to get code, returns an empty string.
|
||
|
|
*
|
||
|
|
* @author Vova Feldman (@svovaf)
|
||
|
|
* @since 2.0.0
|
||
|
|
*
|
||
|
|
* @param mixed $result
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
static function get_error_code( $result ) {
|
||
|
|
if ( is_object( $result ) &&
|
||
|
|
isset( $result->error ) &&
|
||
|
|
is_object( $result->error ) &&
|
||
|
|
! empty( $result->error->code )
|
||
|
|
) {
|
||
|
|
return $result->error->code;
|
||
|
|
}
|
||
|
|
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
}
|