initial changes for testing

    });

    //const bindDn = process.env.LDAP_BIND_USER

    //const bindPassword = process.env.LDAP_BIND_PW

    const ldap_bd = process.env.LDAP_BINDDN

    const ldap_reader = process.env.LDAP_BIND_USER

    const ldap_reader_pass = process.env.LDAP_BIND_PW

    const ldap_base = process.env.LDAP_BASE

    const uid = query.email.split('@')[0]

    const filterstr = '(&' + process.env.LDAP_GROUP_FILTER + '(uid=' + uid + '))'

    const userDn = 'uid=' + uid + ',' + ldap_bd;

    var mail = ""

    var mail = query.email

    const filterstr = '(&' + process.env.LDAP_GROUP_FILTER + '(mail=' + mail + '))'

    var userDn = "" //'uid=' + uid + ',' + ldap_bd;

    var firstname = ""

    var lastname = ""

    var isAdmin = false

    // check bind

    try {

      //await client.bind(bindDn, bindPassword);

      await client.bind(userDn,password);

      await client.bind(ldap_reader, ldap_reader_pass);

      //await client.bind(userDn,password);

    } catch (ex) {

      console.log("Could not bind user." + String(ex))

      console.log("Could not bind LDAP reader: " + ldap_reader + " err: " + String(ex))

      return callback(null, null)

    }

    // get user data

        filter: filterstr ,

      });

      await searchEntries

      //console.log(JSON.stringify(searchEntries))

      console.log(JSON.stringify(searchEntries))

      if (searchEntries[0]) {

        mail = searchEntries[0].mail

        firstname = searchEntries[0].givenName

        lastname = searchEntries[0].sn

        //console.log("Found user: " + mail + " Name: " + firstname + " " + lastname)

        console.log("Found user: " + mail + " Name: " + firstname + " " + lastname)

      }

    } catch (ex) {

      console.log("An Error occured while getting user data during ldapsearch: " + String(ex))

        await client.unbind();

        return callback(null, null)

    }

    try {

      // if admin filter is set - only set admin for user in ldap group

      // does not matter - admin is deactivated: managed through ldap

      console.log("Mail not set - exit. This should not happen - please set mail-entry in ldap.")

      return callback(null, null)

    }

    return callback(null, null) // Always unsuccessful for debug

    //console.log("Logging in user: " + mail + " Name: " + firstname + " " + lastname + " isAdmin: " + String(isAdmin))

    // we are authenticated now let's set the query to the correct mail from ldap

    query.email = mail