From 4b2ad030fa381662f4b0c2464e97b0d2c5f6a716 Mon Sep 17 00:00:00 2001
From: Tim <contact@bytim.eu>
Date: Fri, 18 Apr 2025 12:25:59 +0200
Subject: Initial commit

---
 VPNAuth.Server/PkceUtils.cs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 VPNAuth.Server/PkceUtils.cs

(limited to 'VPNAuth.Server/PkceUtils.cs')

diff --git a/VPNAuth.Server/PkceUtils.cs b/VPNAuth.Server/PkceUtils.cs
new file mode 100644
index 0000000..a11926e
--- /dev/null
+++ b/VPNAuth.Server/PkceUtils.cs
@@ -0,0 +1,17 @@
+namespace VPNAuth.Server;
+
+public static class PkceUtils
+{
+    private static string _codeChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789";
+
+    public static string GenerateCode(int length = 10)
+    {
+        string code = "";
+        for (int i = 0; i < length; i++)
+            code += _codeChars[new Random().Next(_codeChars.Length)]; // TODO: Is that function random enough?
+        return code;
+    }
+
+    public static string GenerateToken(int length = 20)
+        => GenerateCode(length); // TODO: maybe add more possible chars then for GenerateCode
+}
-- 
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