www: parser: add parseTfaType helper

The tfa keys can now contain the type as additional
information, so let's parse it out.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

www/manager6/Parser.js

@@ -561,6 +561,19 @@ Ext.define('PVE.Parser', { statics: {
 	return res;
     },
 
+    parseTfaType: function(value) {
+	var match;
+	if (!value || !value.length) {
+	    return undefined;
+	} else if (value === 'x!oath') {
+	    return 'totp';
+	} else if (match = value.match(/^x!(.+)$/)) {
+	    return match[1];
+	} else {
+	    return 1;
+	}
+    },
+
     parseQemuCpu: function(value) {
 	if (!value) {
 	    return {};