From 2543ac8b11af11f034836591046cdb52911f9403 Mon Sep 17 00:00:00 2001
From: Elizabeth Alexander Hunt <me@liz.coffee>
Date: Tue, 13 May 2025 09:50:15 -0700
Subject: snapshot

---
 utils/validate_identifier.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'utils/validate_identifier.ts')

diff --git a/utils/validate_identifier.ts b/utils/validate_identifier.ts
index e2a1dc5..ec8b77b 100644
--- a/utils/validate_identifier.ts
+++ b/utils/validate_identifier.ts
@@ -1,11 +1,17 @@
+import { Either } from "./mod.ts";
+
 export const validateIdentifier = (token: string) => {
   return (/^[a-zA-Z0-9_\-:. \/]+$/).test(token) && !token.includes("..");
 };
 
-export const invalidExecutionEntriesOf = (
+// ensure {@param obj} is a Record<string, string> with stuff that won't
+// have the potential for shell injection, just to be super safe.
+export const validateExecutionEntries = (
   obj: Record<string, unknown>,
-): Array<[string, unknown]> => {
-  return Object.entries(obj).filter((e) =>
+): Either<Array<[string, unknown]>, Record<string, string>> => {
+  const invalidEntries = Object.entries(obj).filter((e) =>
     !e.every((x) => typeof x === "string" && validateIdentifier(x))
   );
+  if (invalidEntries.length > 0) return Either.left(invalidEntries);
+  return Either.right(<Record<string, string>> obj);
 };
-- 
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