From 5d40a7e4a7fcb5cbb1b1ac32d417cb825ac17a07 Mon Sep 17 00:00:00 2001
From: Zdravko Iliev <zdravko.iliev61@gmail.com>
Date: Tue, 8 Nov 2022 16:33:51 +0200
Subject: [PATCH] if subfilter is not detected return instead of throw

---
 __tests__/index.test.ts    |   2 +-
 __tests__/source/dummy.pdf | Bin 0 -> 13264 bytes
 src/lib/index.ts           |   3 ++-
 3 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 __tests__/source/dummy.pdf

diff --git a/__tests__/index.test.ts b/__tests__/index.test.ts
index 19f6e55..d5e227b 100644
--- a/__tests__/index.test.ts
+++ b/__tests__/index.test.ts
@@ -13,7 +13,7 @@ describe("PDF parser", () => {
     const parser = new PDFparser(file);
     const actual = await parser.getPDFMeta();
 
-    expect(actual.pages).toEqual(1);
+    expect(actual.signatures.length).toEqual(1);
   });
 
   it("should return pdf document metadata without signatures", async () => {
diff --git a/__tests__/source/dummy.pdf b/__tests__/source/dummy.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..774c2ea70c55104973794121eae56bcad918da97
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/src/lib/index.ts b/src/lib/index.ts
index 81156ab..f603cfd 100644
--- a/src/lib/index.ts
+++ b/src/lib/index.ts
@@ -7,7 +7,8 @@ export const verifyPDF = (pdf: Buffer) => {
   try {
     checkForSubFilter(pdfBuffer);
   } catch (error) {
-    throw new Error(error.message);
+    //SubFilter is only available if there is a sig in the pdf
+    return null;
   }
 
   try {
-- 
GitLab