testapp: add relaystate for a redirect binding

Author: timlegge

README

@@ -2,7 +2,7 @@ NAME
     Net::SAML2 - SAML2 bindings and protocol implementation
 
 VERSION
-    version 0.77
+    version 0.78
 
 SYNOPSIS
       See TUTORIAL.md for implementation documentation and
@@ -83,6 +83,7 @@ DESCRIPTION
     GSuite (Google)
     Jump
     Keycloak
+    MockSAML (https://mocksaml.com/)
     Mircosoft ADFS
     Okta
     OneLogin

lib/Net/SAML2.pm

@@ -118,6 +118,8 @@ SP applications if EncryptedAssertions are not in use.
 
 =item Keycloak
 
+=item MockSAML (https://mocksaml.com/)
+
 =item Mircosoft ADFS
 
 =item Okta

xt/testapp/lib/Saml2Test.pm

@@ -196,7 +196,7 @@ get '/login' => sub {
     )->as_xml;
 
     my $redirect = $sp->sso_redirect_binding($idp, 'SAMLRequest');
-    my $url = $redirect->sign($authnreq);
+    my $url = $redirect->sign($authnreq, config->{idp_name});
     redirect $url, 302;
 
     return "Redirected\n";
@@ -304,7 +304,7 @@ post '/consumer-post' => sub {
     my $relay_state = params->{RelayState} // '';
 
     my $idp_name;
-    if ($relay_state ne '') {
+    if ($relay_state ne '' and defined $relay_state) {
         $idp_name = $relay_state;
         $cacert = 'IdPs/' . $idp_name . '/cacert.pem';
     } else {