- Created a new eveai_chat plugin to support the new dynamic possibilities of the Specialists. Currently only supports standard Rag retrievers (i.e. no extra arguments).

integrations/Wordpress/eveai-chat/includes/class-security.php

@@ -0,0 +1,50 @@
+<?php
+namespace EveAI\Chat;
+
+class Security {
+    private static $encryption_method = 'aes-256-cbc';
+
+    public static function encrypt_api_key(string $key): string {
+        if (empty($key)) return '';
+
+        $salt = wp_salt('auth');
+        $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length(self::$encryption_method));
+
+        $encrypted = openssl_encrypt(
+            $key,
+            self::$encryption_method,
+            $salt,
+            0,
+            $iv
+        );
+
+        return base64_encode($iv . $encrypted);
+    }
+
+    public static function decrypt_api_key(string $encrypted): string {
+        if (empty($encrypted)) return '';
+
+        $salt = wp_salt('auth');
+        $data = base64_decode($encrypted);
+
+        $iv_length = openssl_cipher_iv_length(self::$encryption_method);
+        $iv = substr($data, 0, $iv_length);
+        $encrypted_data = substr($data, $iv_length);
+
+        return openssl_decrypt(
+            $encrypted_data,
+            self::$encryption_method,
+            $salt,
+            0,
+            $iv
+        );
+    }
+
+    public static function generate_nonce(): string {
+        return wp_create_nonce('eveai_chat_nonce');
+    }
+
+    public static function verify_nonce(string $nonce): bool {
+        return wp_verify_nonce($nonce, 'eveai_chat_nonce');
+    }
+}