TLS method configuration

User is now able to turn on and off the TLS authentication method.

Tested:
No regression found in manual testing. By default everything works
as before, and disabling TLS method prevents user to authenticate
by it.

Tested with Redfish Service Validator, version 1.2.8

Signed-off-by: Zbigniew Kurzynski <zbigniew.kurzynski@intel.com>
Change-Id: Ib7be1af659db568caa7e5b97e3844617586d7754
diff --git a/redfish-core/lib/account_service.hpp b/redfish-core/lib/account_service.hpp
index 8f28ea4..637be86 100644
--- a/redfish-core/lib/account_service.hpp
+++ b/redfish-core/lib/account_service.hpp
@@ -895,10 +895,11 @@
         std::optional<bool> cookie;
         std::optional<bool> sessionToken;
         std::optional<bool> xToken;
+        std::optional<bool> tls;
 
         if (!json_util::readJson(input, asyncResp->res, "BasicAuth", basicAuth,
                                  "Cookie", cookie, "SessionToken", sessionToken,
-                                 "XToken", xToken))
+                                 "XToken", xToken, "TLS", tls))
         {
             BMCWEB_LOG_ERROR << "Cannot read values from AuthMethod tag";
             return;
@@ -929,8 +930,14 @@
             authMethodsConfig.xtoken = *xToken;
         }
 
+        if (tls)
+        {
+            authMethodsConfig.tls = *tls;
+        }
+
         if (!authMethodsConfig.basic && !authMethodsConfig.cookie &&
-            !authMethodsConfig.sessionToken && !authMethodsConfig.xtoken)
+            !authMethodsConfig.sessionToken && !authMethodsConfig.xtoken &&
+            !authMethodsConfig.tls)
         {
             // Do not allow user to disable everything
             messages::actionNotSupported(asyncResp->res,
@@ -1151,6 +1158,7 @@
                      {"SessionToken", authMethodsConfig.sessionToken},
                      {"XToken", authMethodsConfig.xtoken},
                      {"Cookie", authMethodsConfig.cookie},
+                     {"TLS", authMethodsConfig.tls},
                  }}}}}},
             {"LDAP",
              {{"Certificates",