added json location getter

update-workstation-location/update-location-json.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -x
+
+LOCFILE="$HOME/.location.json"
+IP_REGEX='((1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])'
+
+URL="http://freegeoip.net/json/"
+
+
+if [[ -e $LOCFILE ]]; then
+    LOCFILE_AGE=$(($(date +%s) - $(date -r "$LOCFILE" +%s)))
+else
+    LOCFILE_AGE=999999
+fi
+
+if [[ $LOCFILE_AGE -gt 21600 ]]; then #6h
+    UPDATE=1
+else
+    UPDATE=0
+fi
+
+if [[ $UPDATE -eq 0 ]]; then
+    exit 0
+fi
+
+#CUR_IP=$(curl -sq http://checkip.dyndns.org | grep -oE $IP_REGEX)
+#echo "CUR_IP=$CUR_IP" > $LOCFILE.new
+
+curl -fsSL https://freegeoip.net/json > $LOCFILE.new && \
+    mv $LOCFILE.new $LOCFILE && \
+    jq . $LOCFILE