Initial commit

scripts/check-download-metadata.mjs

@@ -0,0 +1,30 @@
+import fs from "node:fs";
+import path from "node:path";
+
+const DOWNLOADS_DIR = path.resolve(import.meta.dirname, "../public/downloads");
+const PDF_METADATA_PATTERN =
+  /\/(?:Title|Author|Subject|Keywords|Creator|CreationDate|ModDate)\s*\(|<xmp:(?:CreatorTool|CreateDate|ModifyDate)>|<dc:(?:creator|title)>|<pdf:Keywords>/i;
+
+function collectPdfs(directory) {
+  if (!fs.existsSync(directory)) return [];
+
+  return fs
+    .readdirSync(directory, { withFileTypes: true })
+    .filter((entry) => entry.isFile() && entry.name.toLowerCase().endsWith(".pdf"))
+    .map((entry) => path.join(directory, entry.name));
+}
+
+const files = collectPdfs(DOWNLOADS_DIR);
+const filesWithMetadata = files.filter((file) =>
+  PDF_METADATA_PATTERN.test(fs.readFileSync(file, "latin1")),
+);
+
+for (const file of filesWithMetadata) {
+  console.error(`[downloads:check-metadata] PDF metadata found: ${file}`);
+}
+
+if (filesWithMetadata.length > 0) {
+  process.exitCode = 1;
+} else {
+  console.log(`[downloads:check-metadata] ${files.length} PDFs checked; no document metadata found.`);
+}