fix wtv-tricks:/info, tidy up eval VM related stuff

zefie_wtvp_minisrv/ServiceVault/wtv-tricks/info.js

@@ -11,7 +11,7 @@ if (client_caps) {
 	headers = `200 OK
 Content-Type: text/html`
 
-
+	var service_ip = minisrv_config.config.service_ip
 	var client_label = "TODO";
 	var boot_client_label = "TODO";
 	var wtv_system_sysconfig_str = "TODO";
@@ -58,7 +58,7 @@ Content-Type: text/html`
 <tr>
 		<td valign=top align=right width=150><shadow>Service:</shadow>
 		<td width=10>
-		<td valign=top>${z_title}
+		<td valign=top>${minisrv_version_string}
 <tr>
 		<td valign=top align=right><shadow>Client:</shadow>
 		<td width=10>

zefie_wtvp_minisrv/app.js

@@ -110,21 +110,34 @@ async function processPath(socket, service_vault_file_path, request_headers = ne
     var usingSharedROMCache = false;
     // Here we define the ServiceVault Script Context Object
     // The ServiceVault scripts will only be allowed to access the following variables.
-    // Furthermore, only modifications to "headers", "data", "ssid_sessions" and "socket_sessions" will be saved.
+    // Furthermore, only modifications to variables in `updateFromVM` will be saved.
     // Example: an attempt to change "minisrv_config" from a ServiceVault script would be discarded
+
+    // node core functions/vars
     var contextObj = {
         console: console,
         require: require,
+        __dirname: __dirname
+    }
+
+    // Our modules
+    contextObj = {
+        ...contextObj,
         wtvmime: wtvmime,
         http: http,
         https: https,
         wtvshared: wtvshared,
         clientShowAlert: clientShowAlert,
         WTVClientSessionData: WTVClientSessionData,
+        WTVClientCapabilities: WTVClientCapabilities,
         strftime: strftime,
         CryptoJS: CryptoJS,
-        fs: fs,
-        __dirname: __dirname,
+        fs: fs
+    }
+
+    // Our variables
+    contextObj = {
+        ...contextObj,
         minisrv_config: minisrv_config,
         getServiceString: getServiceString,
         sendToClient: sendToClient,
@@ -138,10 +151,24 @@ async function processPath(socket, service_vault_file_path, request_headers = ne
         headers: headers,
         data: data,
         request_is_async: request_is_async,
+        minisrv_version_string: z_title
+    }
+
+    // Our prototype overrides
+    contextObj = {
+        ...contextObj,
         Buffer: Buffer,
         String: String,
         Object: Object
     }
+
+    var updateFromVM = [
+        ["headers", "headers"],
+        ["data", "data"],
+        ["ssid_sessions", "ssid_sessions"],
+        ["socket_sessions", "socket_sessions"]
+    ];
+
     try {
         service_vaults.forEach(function (service_vault_dir) {
             if (service_vault_found) return;
@@ -305,11 +332,9 @@ async function processPath(socket, service_vault_file_path, request_headers = ne
                     });
 
                     // Here we read back certain data from the ServiceVault Script Context Object
-                    headers = contextObj.headers;
-                    data = contextObj.data;
-                    request_is_async = contextObj.request_is_async;
-                    ssid_sessions = contextObj.ssid_sessions;
-                    socket_sessions = contextObj.socket_sessions;
+                    updateFromVM.forEach((item) => {
+                        eval(item[0] +' = contextObj["'+item[1]+'"]');
+                    })
                     
                     if (request_is_async && !minisrv_config.config.debug_flags.quiet) console.log(" * Script requested Asynchronous mode");
                 }