From 1163f360b7199b5cbbc51c7de44e82cb7b1e5f19 Mon Sep 17 00:00:00 2001
From: Vlad Rudych <vladroudych@gmail.com>
Date: Sat, 5 Oct 2019 22:31:20 +0300
Subject: [PATCH] Added cookie policy support

When the cookie policy is used, a contest policy check can remove Saml2.Session cookie.  In this case, "IsEssential = true" should be set to bypass the contest policy check.
---
 .../Saml2.Authentication.Core/Configuration/Saml2Options.cs  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Source/Saml2.Authentication.Core/Configuration/Saml2Options.cs b/Source/Saml2.Authentication.Core/Configuration/Saml2Options.cs
index def6a20..6ba07ed 100644
--- a/Source/Saml2.Authentication.Core/Configuration/Saml2Options.cs
+++ b/Source/Saml2.Authentication.Core/Configuration/Saml2Options.cs
@@ -22,7 +22,8 @@ public Saml2Options()
                 Name = $"{Saml2Defaults.SessionKeyPrefix}.{Guid.NewGuid():N}",
                 HttpOnly = true,
                 SameSite = SameSiteMode.None,
-                SecurePolicy = CookieSecurePolicy.SameAsRequest
+                SecurePolicy = CookieSecurePolicy.SameAsRequest,
+                IsEssential = true
             };
         }
 
@@ -68,4 +69,4 @@ public override CookieOptions Build(HttpContext context, DateTimeOffset expiresF
             return cookieOptions;
         }
     }
-}
\ No newline at end of file
+}