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cb01bbf97b
This adds a pure PHP implementation of the cryptographic functions supported in PHP 7.2+. It provides the necessary backwards compatibility required to support signature verification and other security features going forward across all supported PHP versions. Props paragoninitiativeenterprises Fixes #45806. See #39309. Built from https://develop.svn.wordpress.org/trunk@44953 git-svn-id: http://core.svn.wordpress.org/trunk@44784 1a063a9b-81f0-0310-95a4-ce76da25c4cd
47 lines
1.2 KiB
PHP
47 lines
1.2 KiB
PHP
<?php
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if (PHP_VERSION_ID < 50300) {
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return;
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}
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/*
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* This file is just for convenience, to allow developers to reduce verbosity when
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* they add this project to their libraries.
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*
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* Replace this:
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*
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* $x = ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_encrypt(...$args);
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*
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* with this:
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*
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* use ParagonIE\Sodium\Compat;
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*
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* $x = Compat::crypto_aead_xchacha20poly1305_encrypt(...$args);
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*/
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spl_autoload_register(function ($class) {
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if ($class[0] === '\\') {
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$class = substr($class, 1);
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}
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$namespace = 'ParagonIE\\Sodium';
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// Does the class use the namespace prefix?
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$len = strlen($namespace);
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if (strncmp($namespace, $class, $len) !== 0) {
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// no, move to the next registered autoloader
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return false;
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}
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// Get the relative class name
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$relative_class = substr($class, $len);
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// Replace the namespace prefix with the base directory, replace namespace
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// separators with directory separators in the relative class name, append
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// with .php
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$file = dirname(__DIR__) . '/namespaced/' . str_replace('\\', '/', $relative_class) . '.php';
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// if the file exists, require it
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if (file_exists($file)) {
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require_once $file;
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return true;
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}
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return false;
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});
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