NFC-115 Improve unverifiedSigningCertificates check

Signed-off-by: Sander Kondratjev <sander.kondratjev@nortal.com>

Author: SanderKondratjevNortal

src/main/java/eu/webeid/security/validator/versionvalidators/AuthTokenVersion1Validator.java

@@ -78,8 +78,10 @@ protected String getSupportedFormatPrefix() {
 
     @Override
     public X509Certificate validate(WebEidAuthToken token, String currentChallengeNonce) throws AuthTokenException {
-        if (token.getUnverifiedSigningCertificates() != null) {
-            throw new AuthTokenParseException("'unverifiedSigningCertificates' field is not allowed for format '" + token.getFormat() + "'");
+        if (isExactV10Format(token.getFormat()) && token.getUnverifiedSigningCertificates() != null) {
+            throw new AuthTokenParseException(
+                "'unverifiedSigningCertificates' field is not allowed for format '" + token.getFormat() + "'"
+            );
         }
 
         if (token.getUnverifiedCertificate() == null || token.getUnverifiedCertificate().isEmpty()) {
@@ -109,4 +111,8 @@ public X509Certificate validate(WebEidAuthToken token, String currentChallengeNo
 
         return subjectCertificate;
     }
+
+    private static boolean isExactV10Format(String format) {
+        return V1_SUPPORTED_TOKEN_FORMAT_PREFIX.equals(format) || "web-eid:1.0".equals(format);
+    }
 }