From b088eb089f5d39bb0f9c4001b7240debdf687044 Mon Sep 17 00:00:00 2001
From: TekH <h.tek@digitaldata.works>
Date: Thu, 20 Nov 2025 10:30:49 +0100
Subject: [PATCH] feat(EnvelopeCookieManager): add EnvelopeCookieManager to
 support envelope-specific cookie names

 - Introduce EnvelopeCookieManager wrapper around ChunkingCookieManager to generate dynamic cookie names based on envelopeReceiverId or envKey. Ensures request/response cookies are scoped per envelope.
---
 .../EnvelopeCookieManager.cs                  | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 EnvelopeGenerator.Web/EnvelopeCookieManager.cs

diff --git a/EnvelopeGenerator.Web/EnvelopeCookieManager.cs b/EnvelopeGenerator.Web/EnvelopeCookieManager.cs
new file mode 100644
index 00000000..5c31b558
--- /dev/null
+++ b/EnvelopeGenerator.Web/EnvelopeCookieManager.cs
@@ -0,0 +1,49 @@
+using Microsoft.AspNetCore.Authentication.Cookies;
+
+namespace EnvelopeGenerator.Web;
+
+public class EnvelopeCookieManager : ICookieManager
+{
+    private readonly IEnumerable<string> _envelopeKeyBasedCookieNames;
+
+    private readonly ChunkingCookieManager _inner = new();
+
+    public EnvelopeCookieManager(params string[] envelopeKeyBasedCookieNames)
+    {
+        _envelopeKeyBasedCookieNames = envelopeKeyBasedCookieNames;
+    }
+
+    private string GetCookieName(HttpContext context, string key)
+    {
+        if (!_envelopeKeyBasedCookieNames.Contains(key))
+            return key;
+
+        var envId = context.GetRouteValue("envelopeReceiverId")?.ToString();
+
+        if (string.IsNullOrEmpty(envId) && context.Request.Query.TryGetValue("envKey", out var envKeyValue))
+            envId = envKeyValue;
+
+        if (string.IsNullOrEmpty(envId))
+            return key;
+
+        return $"{key}-{envId}";
+    }
+
+    public string? GetRequestCookie(HttpContext context, string key)
+    {
+        var cookieName = GetCookieName(context, key);
+        return _inner.GetRequestCookie(context, cookieName);
+    }
+
+    public void AppendResponseCookie(HttpContext context, string key, string? value, CookieOptions options)
+    {
+        var cookieName = GetCookieName(context, key);
+        _inner.AppendResponseCookie(context, cookieName, value, options);
+    }
+
+    public void DeleteCookie(HttpContext context, string key, CookieOptions options)
+    {
+        var cookieName = GetCookieName(context, key);
+        _inner.DeleteCookie(context, cookieName, options);
+    }
+}