Bugfixing configure and make temporary token possible

system_setup/setup_system.inc.sh

@@ -90,7 +90,7 @@ get_nc_token() {
         fi
     fi
 
-    if [ ! -f ${DAVTOKENFILENAME} ]; then
+    if [ ! -f ${DAVTOKENFILENAME} ] || [ -z ${DAVTOKENFILENAME} ]; then
         echo "No token found here. Getting a new WEBDAV Token for this Device."
         echo "Please logon to your Nextcloud instance via SSO/kerberos"
 
@@ -101,6 +101,9 @@ get_nc_token() {
 
         REQTOKEN=$( echo "${REQJSON}" | grep -oP '(?<="token":")[^"]+(?=")' )
         REQURL=$( echo "${REQJSON}" | grep -oP '(?<="login":")[^"]+(?=")' )
+        if [[ -z ${DISPLAY} ]]; then
+            export DISPLAY=:0
+        fi
         /usr/bin/firefox "${REQURL}" &
 
         for i in {1..200}
@@ -110,8 +113,12 @@ get_nc_token() {
             echo -n "Poll Number ${i}..."
             POLLJSON=$( curl -s -X POST "https://${SERVERFQDN_NC}/login/v2/poll" -d "token=${REQTOKEN}" )
             if [[ "${POLLJSON}" == *"appPassword"* ]]; then
-                echo "${POLLJSON}" > ${DAVTOKENFILENAME}
-                echo "found token. Token has been written to ${DAVTOKENFILENAME}"
+                if [ ! -z ${DAVTOKENFILENAME} ]; then
+                    echo "${POLLJSON}" > ${DAVTOKENFILENAME}
+                    echo "Token has been written to ${DAVTOKENFILENAME}"
+                else
+                    echo "Temporary token was obtained."
+                fi
                 pkill firefox
                 break
             else