add protection against requesting direct service files

zefie_wtvp_minisrv/ServiceVault/wtv-cookie/add.js

@@ -1,3 +1,5 @@
+var minisrv_service_file = true;
+
 if (socket.ssid) {
     if (request_headers.post_data) {
         if (ssid_sessions[socket.ssid]) {

zefie_wtvp_minisrv/ServiceVault/wtv-cookie/get.js

@@ -1,3 +1,5 @@
+var minisrv_service_file = true;
+
 if (request_headers.post_data) {
     if (request_headers.query.domain && request_headers.query.path) {
         if (socket.ssid) {

zefie_wtvp_minisrv/ServiceVault/wtv-cookie/list.js

@@ -1,3 +1,5 @@
+var minisrv_service_file = true;
+
 if (socket.ssid) {
     if (ssid_sessions[socket.ssid]) {
 

zefie_wtvp_minisrv/ServiceVault/wtv-cookie/reset.js

@@ -1,3 +1,5 @@
+var minisrv_service_file = true;
+
 if (socket.ssid) {
     if (ssid_sessions[socket.ssid]) {
         ssid_sessions[socket.ssid].resetCookies();