implement merging/denying

lib.ts

@@ -22,7 +22,12 @@ export enum TripleBool {
   YES = 1,
   NO = 0
 }
+export interface Entry { name: string, url: string, credits: string, updated: TripleBool, links_work: TripleBool, best: boolean };
 
+export type Change =
+  | { op: "delete"; name: string }
+  | { op: "create"; name: string; item: Entry }
+  | { op: "update"; name: string; changes: Partial<Entry> };
 const TripleBoolStrings: Record<TripleBool, string> = {
   [TripleBool.MOSTLY]: "Mostly",
   [TripleBool.YES]: "Yes",
@@ -45,8 +50,32 @@ export function tripleBool(bool: string): TripleBool {
   throw new Error("tripleBool conversion function errored, mysteriously! Passed in: " + bool)
 }
 
+export function prettyStringify(z: unknown) {
+  return JSON.stringify(z, null, 2).replace(/\n {2}"/g, ' "').replace(/\n}/, " }")
+}
 
-export function ndjsonToJson(ndjson: string): any[] {
+export function requireBasicAuth(req: Request): Response | null {
+  const auth = req.headers.get("authorization");
+  if (!auth || !auth.startsWith("Basic ")) {
+    return new Response("Auth required", {
+      status: 401,
+      headers: { "WWW-Authenticate": 'Basic realm="acx-sheets"' }
+    });
+  }
+
+  const decoded = Buffer.from(auth.slice(6), "base64").toString("utf8");
+  const [user, pass] = decoded.split(":");
+
+  if (
+    user !== process.env.MERGE_USER ||
+    pass !== process.env.MERGE_PASS
+  ) {
+    return new Response("Forbidden", { status: 403 });
+  }
+
+  return null;
+}
+export function ndjsonToJson(ndjson: string): unknown[] {
   return ndjson.split("\n").map(z => {
     try {
       return JSON.parse(z)