Saml No Cookie Preserving State ASP.NET CORE

Question

 var certbase = _env.IsDevelopment() ? "" : AppDomain.CurrentDomain.BaseDirectory;
 var pathpfx = Path.Combine(certbase, "xxxxx.pfx");
 var pathxml = Path.Combine(certbase, "metadata.xml");


.AddSaml2(options =>
                {  
                    options.SPOptions.EntityId = new EntityId("https://aaaa.aaa.com.tr");          
                    options.SPOptions.ReturnUrl = new Uri("https://localhost:5003/Account/SignInPost");
                    options.SPOptions.MinIncomingSigningAlgorithm = 
 "http://www.w3.org/2000/09/xmldsig#rsa-sha1";
                    options.IdentityProviders.Add(
                    new IdentityProvider(
                    new EntityId("https://bbbbb.bbb.com.tr"), options.SPOptions)
                    {
                        MetadataLocation = pathxml,
                        LoadMetadata = true,
                        SingleSignOnServiceUrl = new Uri("https://bbbbb.bbb.com.tr/SAML/SSOService.aspx"),
                        Binding = Sustainsys.Saml2.WebSso.Saml2Binding.UriToSaml2BindingType(new 
 Uri("urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect")),
                        SingleLogoutServiceUrl = new Uri("https://bbbbb.bbb.com.tr/SAML/SLOService.aspx"),
                    });
                    options.SPOptions.ServiceCertificates.Add(new X509Certificate2(pathpfx, "password"));
                });

Mon saml fonctionnait correctement mais je ne sais pas ce qui s'est passé, mon code ne fonctionnait pas maintenant.

J'ai eu cette erreur lorsque j'exécute mon code sur Chrome =>

UnexpectedInResponseToException: le message reçu _55ae387d-0b1e-4466-9b2b-d34a5254437c contient InResponseTo inattendu "iddfcfd98961654500864ee897d823ce87". Aucun état de conservation des cookies de la demande n'a été trouvé, le message ne devait donc pas avoir d'attribut InResponseTo. Cette erreur se produit généralement si le cookie défini lors de la connexion initiée par le SP a été perdu.

Mon metadata.xml est ok mon pfx est ok aussi.

Je cherchais à résoudre mon problème plus de 2 jours mais je n'ai rien trouvé pour m'aider. Quelle est votre proposition pour résoudre ce problème? pourriez-vous m'aider?

à l'intérieur de la pile

UnexpectedInResponseToException: Received message _63021ef9-2b93-4b0a-ab75-88d42e8a4c9c contains unexpected InResponseTo "idc0faf551a5bf421da3a9e582b57f685a". No cookie preserving state from the request was found so the message was not expected to have an InResponseTo attribute. This error typically occurs if the cookie set when doing SP-initiated sign on have been lost.



Sustainsys.Saml2.Saml2P.Saml2Response.ValidateInResponseTo(IOptions options, IEnumerable<ClaimsIdentity> claimsIdentities)
Sustainsys.Saml2.Saml2P.Saml2Response.GetClaims(IOptions options, IDictionary<string, string> relayData)
Sustainsys.Saml2.WebSso.AcsCommand.ProcessResponse(IOptions options, Saml2Response samlResponse, StoredRequestState storedRequestState, IdentityProvider identityProvider, string relayState)
Sustainsys.Saml2.WebSso.AcsCommand.Run(HttpRequestData request, IOptions options)
Sustainsys.Saml2.AspNetCore2.Saml2Handler.HandleRequestAsync()
Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

Answer 1

définissez ceci dans startup.cs

services.Configure<CookiePolicyOptions>(options =>
        {
            // This lambda determines whether user consent for non-essential cookies is needed for a given request.
            options.OnAppendCookie = cookieContext => SameSite.CheckSameSite(cookieContext.Context, cookieContext.CookieOptions);
            options.OnDeleteCookie = cookieContext => SameSite.CheckSameSite(cookieContext.Context, cookieContext.CookieOptions);

            //this is important. this will help you to solve the problem.
            options.MinimumSameSitePolicy = SameSiteMode.None;
        });

et ajoutez cette méthode sous le public void configure () {}

 public static class SameSite
    {
        public static void CheckSameSite(HttpContext httpContext, CookieOptions options)
        {
            if (options.SameSite == SameSiteMode.None)
            {
                if (!BrowserSupportsSameSiteNone(httpContext.Request.Headers["User-Agent"].ToString()))
                {
                    // Unspecified - no SameSite will be included in the Set-Cookie.
                    options.SameSite = (SameSiteMode)(-1);
                }
            }
        }

        private static bool BrowserSupportsSameSiteNone(string userAgent)
        {
            // iOS 12 browsers don't support SameSite=None.
            if (userAgent.Contains("CPU iPhone OS 12") || userAgent.Contains("iPad; CPU OS 12"))
            {
                return false;
            }

            // macOS 10.14 Mojave browsers don't support SameSite=None.
            if (userAgent.Contains("Macintosh; Intel Mac OS X 10_14") && userAgent.Contains("Version/") && userAgent.Contains("Safari"))
            {
                return false;
            }

            // Old versions of Chrome don't support SameSite=None.
            if (userAgent.Contains("Chrome") || userAgent.Contains("Chrome/6"))
            {
                return false;
            }

            return true;
        }
    }