Remove dependency express-fileupload

server/libs/expressFileupload/processNested.js

@@ -0,0 +1,35 @@
+const { isSafeFromPollution } = require("./utilities");
+
+module.exports = function(data){
+  if (!data || data.length < 1) return Object.create(null);
+
+  let d = Object.create(null),
+    keys = Object.keys(data);
+
+  for (let i = 0; i < keys.length; i++) {
+    let key = keys[i],
+      value = data[key],
+      current = d,
+      keyParts = key
+        .replace(new RegExp(/\[/g), '.')
+        .replace(new RegExp(/\]/g), '')
+        .split('.');
+
+    for (let index = 0; index < keyParts.length; index++){
+      let k = keyParts[index];
+
+      // Ensure we don't allow prototype pollution
+      if (!isSafeFromPollution(current, k)) {
+        continue;
+      }
+
+      if (index >= keyParts.length - 1){
+        current[k] = value;
+      } else {
+        if (!current[k]) current[k] = !isNaN(keyParts[index + 1]) ? [] : Object.create(null);
+        current = current[k];
+      }
+    }
+  }
+  return d;
+};