Merged PR 2315: Auth stabilistatiion and hardening

Related work items: #23020

lib/forms/readFormXml.js

@@ -2,6 +2,8 @@
 import fs from "fs";
 import path from "path";
 
+const xmlCache = new Map();
+
 /**
  * Reads /data/formsxml/{appealtypes}.xml and normalises it.
  * Returns { xmlStr } or throws on missing file.
@@ -12,6 +14,12 @@ export function readFormXml(appealtypes) {
     const configDirectory = path.resolve(process.cwd(), "data/formsxml");
     const filePath = path.join(configDirectory, `${appealtypes}.xml`);
 
+    const cacheKey = filePath;
+    const cached = xmlCache.get(cacheKey);
+    if (cached) {
+        return { xmlStr: cached, filePath, fromCache: true };
+    }
+
     let xmlStr = fs.readFileSync(filePath, "utf8");
 
     // Keep existing normalisation behaviour
@@ -20,5 +28,7 @@ export function readFormXml(appealtypes) {
     xmlStr = xmlStr.replace(/> <"/g, "><");
     xmlStr = xmlStr.toString();
 
+    xmlCache.set(cacheKey, xmlStr);
+
     return { xmlStr, filePath };
 }