WordPress/wp-includes/sodium_compat/autoload.php
Sergey Biryukov 30d411f482 Upgrade/Install: Update sodium_compat to v1.16.1.
The latest version of sodium_compat includes polyfills for new features slated to land in PHP 8.1:
https://paragonie.com/blog/2021/05/ristretto255-for-php-community

It also fixes a race condition with the autoloader that caused an "undefined constant" error on some systems:
https://github.com/paragonie/sodium_compat/issues/122

A full list of changes in this update can be found on GitHub:
https://github.com/paragonie/sodium_compat/compare/v1.14.0...v1.16.1

Follow-up to [49741].

Props paragoninitiativeenterprises, oxyrealm.
Fixes #53274.
Built from https://develop.svn.wordpress.org/trunk@51002


git-svn-id: http://core.svn.wordpress.org/trunk@50611 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2021-05-25 13:55:58 +00:00

73 lines
2.7 KiB
PHP

<?php
if (PHP_VERSION_ID < 70000) {
if (!is_callable('sodiumCompatAutoloader')) {
/**
* Sodium_Compat autoloader.
*
* @param string $class Class name to be autoloaded.
*
* @return bool Stop autoloading?
*/
function sodiumCompatAutoloader($class)
{
$namespace = 'ParagonIE_Sodium_';
// Does the class use the namespace prefix?
$len = strlen($namespace);
if (strncmp($namespace, $class, $len) !== 0) {
// no, move to the next registered autoloader
return false;
}
// Get the relative class name
$relative_class = substr($class, $len);
// Replace the namespace prefix with the base directory, replace namespace
// separators with directory separators in the relative class name, append
// with .php
$file = dirname(__FILE__) . '/src/' . str_replace('_', '/', $relative_class) . '.php';
// if the file exists, require it
if (file_exists($file)) {
require_once $file;
return true;
}
return false;
}
// Now that we have an autoloader, let's register it!
spl_autoload_register('sodiumCompatAutoloader');
}
} else {
require_once dirname(__FILE__) . '/autoload-php7.php';
}
/* Explicitly, always load the Compat class: */
require_once dirname(__FILE__) . '/src/Compat.php';
if (!class_exists('SodiumException', false)) {
require_once dirname(__FILE__) . '/src/SodiumException.php';
}
if (PHP_VERSION_ID >= 50300) {
// Namespaces didn't exist before 5.3.0, so don't even try to use this
// unless PHP >= 5.3.0
require_once dirname(__FILE__) . '/lib/namespaced.php';
require_once dirname(__FILE__) . '/lib/sodium_compat.php';
} else {
require_once dirname(__FILE__) . '/src/PHP52/SplFixedArray.php';
}
if (PHP_VERSION_ID < 70200 || !extension_loaded('sodium')) {
if (PHP_VERSION_ID >= 50300 && !defined('SODIUM_CRYPTO_SCALARMULT_BYTES')) {
require_once dirname(__FILE__) . '/lib/php72compat_const.php';
}
if (PHP_VERSION_ID >= 70000) {
assert(class_exists('ParagonIE_Sodium_Compat'), 'Possible filesystem/autoloader bug?');
} else {
assert(class_exists('ParagonIE_Sodium_Compat'));
}
require_once(dirname(__FILE__) . '/lib/php72compat.php');
} elseif (!function_exists('sodium_crypto_stream_xchacha20_xor')) {
// Older versions of {PHP, ext/sodium} will not define these
require_once(dirname(__FILE__) . '/lib/php72compat.php');
}
require_once(dirname(__FILE__) . '/lib/ristretto255.php');