<?php
/**
* Autoloader for Requests for PHP.
*
* Include this file if you'd like to avoid having to create your own autoloader.
*
* @package Requests
* @since 2.0.0
*
* @codeCoverageIgnore
*/
namespace WpOrg\Requests;
/*
* Ensure the autoloader is only declared once.
* This safeguard is in place as this is the typical entry point for this library
* and this file being required unconditionally could easily cause
* fatal "Class already declared" errors.
*/
if (class_exists('WpOrg\Requests\Autoload') === false) {
/**
* Autoloader for Requests for PHP.
*
* This autoloader supports the PSR-4 based Requests 2.0.0 classes in a case-sensitive manner
* as the most common server OS-es are case-sensitive and the file names are in mixed case.
*
* For the PSR-0 Requests 1.x BC-layer, requested classes will be treated case-insensitively.
*
* @package Requests
*/
final class Autoload {
/**
* List of the old PSR-0 class names in lowercase as keys with their PSR-4 case-sensitive name as a value.
*
* @var array
*/
private static $deprecated_classes = [
// Interfaces.
'requests_auth' => '\WpOrg\Requests\Auth',
'requests_hooker' => '\WpOrg\Requests\HookManager',
'requests_proxy' => '\WpOrg\Requests\Proxy',
'requests_transport' => '\WpOrg\Requests\Transport',
// Classes.
'requests_cookie' => '\WpOrg\Requests\Cookie',
'requests_exception' => '\WpOrg\Requests\Exception',
'requests_hooks' => '\WpOrg\Requests\Hooks',
'requests_idnaencoder' => '\WpOrg\Requests\IdnaEncoder',
'requests_ipv6' => '\WpOrg\Requests\Ipv6',
'requests_iri' => '\WpOrg\Requests\Iri',
'requests_response' => '\WpOrg\Requests\Response',
'requests_session' => '\WpOrg\Requests\Session',
'requests_ssl' => '\WpOrg\Requests\Ssl',
'requests_auth_basic' => '\WpOrg\Requests\Auth\Basic',
'requests_cookie_jar' => '\WpOrg\Requests\Cookie\Jar',
'requests_proxy_http' => '\WpOrg\Requests\Proxy\Http',
'requests_response_headers' => '\WpOrg\Requests\Response\Headers',
'requests_transport_curl' => '\WpOrg\Requests\Transport\Curl',
'requests_transport_fsockopen' => '\WpOrg\Requests\Transport\Fsockopen',
'requests_utility_caseinsensitivedictionary' => '\WpOrg\Requests\Utility\CaseInsensitiveDictionary',
'requests_utility_filterediterator' => '\WpOrg\Requests\Utility\FilteredIterator',
'requests_exception_http' => '\WpOrg\Requests\Exception\Http',
'requests_exception_transport' => '\WpOrg\Requests\Exception\Transport',
'requests_exception_transport_curl' => '\WpOrg\Requests\Exception\Transport\Curl',
'requests_exception_http_304' => '\WpOrg\Requests\Exception\Http\Status304',
'requests_exception_http_305' => '\WpOrg\Requests\Exception\Http\Status305',
'requests_exception_http_306' => '\WpOrg\Requests\Exception\Http\Status306',
'requests_exception_http_400' => '\WpOrg\Requests\Exception\Http\Status400',
'requests_exception_http_401' => '\WpOrg\Requests\Exception\Http\Status401',
'requests_exception_http_402' => '\WpOrg\Requests\Exception\Http\Status402',
'requests_exception_http_403' => '\WpOrg\Requests\Exception\Http\Status403',
'requests_exception_http_404' => '\WpOrg\Requests\Exception\Http\Status404',
'requests_exception_http_405' => '\WpOrg\Requests\Exception\Http\Status405',
'requests_exception_http_406' => '\WpOrg\Requests\Exception\Http\Status406',
'requests_exception_http_407' => '\WpOrg\Requests\Exception\Http\Status407',
'requests_exception_http_408' => '\WpOrg\Requests\Exception\Http\Status408',
'requests_exception_http_409' => '\WpOrg\Requests\Exception\Http\Status409',
'requests_exception_http_410' => '\WpOrg\Requests\Exception\Http\Status410',
'requests_exception_http_411' => '\WpOrg\Requests\Exception\Http\Status411',
'requests_exception_http_412' => '\WpOrg\Requests\Exception\Http\Status412',
'requests_exception_http_413' => '\WpOrg\Requests\Exception\Http\Status413',
'requests_exception_http_414' => '\WpOrg\Requests\Exception\Http\Status414',
'requests_exception_http_415' => '\WpOrg\Requests\Exception\Http\Status415',
'requests_exception_http_416' => '\WpOrg\Requests\Exception\Http\Status416',
'requests_exception_http_417' => '\WpOrg\Requests\Exception\Http\Status417',
'requests_exception_http_418' => '\WpOrg\Requests\Exception\Http\Status418',
'requests_exception_http_428' => '\WpOrg\Requests\Exception\Http\Status428',
'requests_exception_http_429' => '\WpOrg\Requests\Exception\Http\Status429',
'requests_exception_http_431' => '\WpOrg\Requests\Exception\Http\Status431',
'requests_exception_http_500' => '\WpOrg\Requests\Exception\Http\Status500',
'requests_exception_http_501' => '\WpOrg\Requests\Exception\Http\Status501',
'requests_exception_http_502' => '\WpOrg\Requests\Exception\Http\Status502',
'requests_exception_http_503' => '\WpOrg\Requests\Exception\Http\Status503',
'requests_exception_http_504' => '\WpOrg\Requests\Exception\Http\Status504',
'requests_exception_http_505' => '\WpOrg\Requests\Exception\Http\Status505',
'requests_exception_http_511' => '\WpOrg\Requests\Exception\Http\Status511',
'requests_exception_http_unknown' => '\WpOrg\Requests\Exception\Http\StatusUnknown',
];
/**
* Register the autoloader.
*
* Note: the autoloader is *prepended* in the autoload queue.
* This is done to ensure that the Requests 2.0 autoloader takes precedence
* over a potentially (dependency-registered) Requests 1.x autoloader.
*
* @internal This method contains a safeguard against the autoloader being
* registered multiple times. This safeguard uses a global constant to
* (hopefully/in most cases) still function correctly, even if the
* class would be renamed.
*
* @return void
*/
public static function register() {
if (defined('REQUESTS_AUTOLOAD_REGISTERED') === false) {
spl_autoload_register([self::class, 'load'], true);
define('REQUESTS_AUTOLOAD_REGISTERED', true);
}
}
/**
* Autoloader.
*
* @param string $class_name Name of the class name to load.
*
* @return bool Whether a class was loaded or not.
*/
public static function load($class_name) {
// Check that the class starts with "Requests" (PSR-0) or "WpOrg\Requests" (PSR-4).
$psr_4_prefix_pos = strpos($class_name, 'WpOrg\\Requests\\');
if (stripos($class_name, 'Requests') !== 0 && $psr_4_prefix_pos !== 0) {
return false;
}
$class_lower = strtolower($class_name);
if ($class_lower === 'requests') {
// Reference to the original PSR-0 Requests class.
$file = dirname(__DIR__) . '/library/Requests.php';
} elseif ($psr_4_prefix_pos === 0) {
// PSR-4 classname.
$file = __DIR__ . '/' . strtr(substr($class_name, 15), '\\', '/') . '.php';
}
if (isset($file) && file_exists($file)) {
include $file;
return true;
}
/*
* Okay, so the class starts with "Requests", but we couldn't find the file.
* If this is one of the deprecated/renamed PSR-0 classes being requested,
* let's alias it to the new name and throw a deprecation notice.
*/
if (isset(self::$deprecated_classes[$class_lower])) {
/*
* Integrators who cannot yet upgrade to the PSR-4 class names can silence deprecations
* by defining a `REQUESTS_SILENCE_PSR0_DEPRECATIONS` constant and setting it to `true`.
* The constant needs to be defined before the first deprecated class is requested
* via this autoloader.
*/
if (!defined('REQUESTS_SILENCE_PSR0_DEPRECATIONS') || REQUESTS_SILENCE_PSR0_DEPRECATIONS !== true) {
// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error
trigger_error(
'The PSR-0 `Requests_...` class names in the Requests library are deprecated.'
. ' Switch to the PSR-4 `WpOrg\Requests\...` class names at your earliest convenience.',
E_USER_DEPRECATED
);
// Prevent the deprecation notice from being thrown twice.
if (!defined('REQUESTS_SILENCE_PSR0_DEPRECATIONS')) {
define('REQUESTS_SILENCE_PSR0_DEPRECATIONS', true);
}
}
// Create an alias and let the autoloader recursively kick in to load the PSR-4 class.
return class_alias(self::$deprecated_classes[$class_lower], $class_name, true);
}
return false;
}
}
}