OpenID Connect support (#3975)

Co-authored-by: DieselTech <30128380+DieselTech@users.noreply.github.com>
Co-authored-by: majora2007 <josephmajora@gmail.com>

API/Services/Store/CustomTicketStore.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Security.Cryptography;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authentication.Cookies;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace API.Services.Store;
+
+public class CustomTicketStore(IMemoryCache cache): ITicketStore
+{
+
+    public async Task<string> StoreAsync(AuthenticationTicket ticket)
+    {
+        // Note: It might not be needed to make this cryptographic random, but better safe than sorry
+        var bytes = new byte[32];
+        RandomNumberGenerator.Fill(bytes);
+        var key = Convert.ToBase64String(bytes);
+
+        await RenewAsync(key, ticket);
+
+        return key;
+    }
+
+    public Task RenewAsync(string key, AuthenticationTicket ticket)
+    {
+        var options = new MemoryCacheEntryOptions
+        {
+            Priority = CacheItemPriority.NeverRemove,
+            Size = 1,
+        };
+
+        var expiresUtc = ticket.Properties.ExpiresUtc;
+        if (expiresUtc.HasValue)
+        {
+            options.AbsoluteExpiration = expiresUtc.Value;
+        }
+        else
+        {
+            options.SlidingExpiration = TimeSpan.FromDays(7);
+        }
+
+        cache.Set(key, ticket, options);
+
+        return Task.CompletedTask;
+    }
+
+    public Task<AuthenticationTicket> RetrieveAsync(string key)
+    {
+        return Task.FromResult(cache.Get<AuthenticationTicket>(key));
+    }
+
+    public Task RemoveAsync(string key)
+    {
+        cache.Remove(key);
+
+        return Task.CompletedTask;
+    }
+}