1 files changed, 17 insertions, 0 deletions
diff --git a/serverutils.d b/serverutils.d
new file mode 100644
index 0000000..d5b9836
--- /dev/null
+++ b/serverutils.d
@@ -0,0 +1,17 @@
+bool inRoot(char[] path) {
+  auto level = 0;
+  if (path[0] == '/') return false; 
+  while (path.length > 0) {
+    if (path[0] == '/') {
+      level++;
+      path = path[1..$];
+    } else if (path[0] == '.' && path[1] == '.' && path[2] == '/') {
+      level--;
+      path = path[3..$];
+    } else {
+      path = path[1..$];
+    }
+    if (level < 0) return false;
+  }
+  return true;
+}