<?php
spl_autoload_register(function ($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;
});
/* Explicitly, always load the Compat class: */
if (!class_exists('ParagonIE_Sodium_Compat', false)) {
require_once dirname(__FILE__) . '/src/Compat.php';
}
if (!class_exists('SodiumException', false)) {
require_once dirname(__FILE__) . '/src/SodiumException.php';
}
require_once dirname(__FILE__) . '/lib/namespaced.php';
if (!defined('SODIUM_CRYPTO_AEAD_AEGIS128L_KEYBYTES')) {
require_once dirname(__FILE__) . '/lib/php84compat_const.php';
}
if (!extension_loaded('sodium')) {
if (!defined('SODIUM_CRYPTO_SCALARMULT_BYTES')) {
require_once dirname(__FILE__) . '/lib/php72compat_const.php';
}
assert(class_exists('ParagonIE_Sodium_Compat'), 'Possible filesystem/autoloader bug?');
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');
}
if (PHP_VERSION_ID < 80400 || !extension_loaded('sodium')) {
require_once dirname(__FILE__) . '/lib/php84compat.php';
}
require_once(dirname(__FILE__) . '/lib/stream-xchacha20.php');
require_once(dirname(__FILE__) . '/lib/ristretto255.php');
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