From a415c29efee45520ae252d2aa28f1083a521cd7b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 09:56:49 +0200
Subject: Adding upstream version 6.4.3+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 wp-includes/sodium_compat/autoload.php | 75 ++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 wp-includes/sodium_compat/autoload.php

(limited to 'wp-includes/sodium_compat/autoload.php')

diff --git a/wp-includes/sodium_compat/autoload.php b/wp-includes/sodium_compat/autoload.php
new file mode 100644
index 0000000..fd12f87
--- /dev/null
+++ b/wp-includes/sodium_compat/autoload.php
@@ -0,0 +1,75 @@
+<?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: */
+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';
+}
+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/stream-xchacha20.php');
+require_once(dirname(__FILE__) . '/lib/ristretto255.php');
-- 
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