add pgp remove test eml

packages/circuits/tests/test.eml

@@ -1,11 +1,18 @@
-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outlook.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=kKhuE5byXTQp33gguA7XPzgZSjri6T33WTIDBGZl1vI=; b=AKGfZHblJQeG0ltVB3xTRU5CfViO9sj6hiKBl2ywQ5STwvZOSJJuUacYTxdVjGz5ud7LwV/UJcz7JGtJ5rtxiyvJyYdrMHMpaktO5eNEes4iMeQjUtTACmcEtE2lXx8jO/KqTYYh0yyav68atRbO7OGz/ZA5bclu4OZZ44UC1htg0KYPfaoYt2T5ScUmOITGJRcfJOu9Xx40VTqEW7YiIvY0jtPVoUHVKKX8Zn3DsgaKIg91xHz/a0dR8AP5J9IslBwL9QTGY0PXQT/TS2aCez4Li9/alCG7C7InkRVnUufbZKfsOKoMq9AkkwDsyS+WRyALtlL5Kh1GayaeFRj/bQ==
-From: gideon mukoro <[email protected]>
-Content-Type: text/plain; charset="iso-8859-1"
-Content-Transfer-Encoding: quoted-printable
-Mime-Version: 1.0
+DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1693038337; bh=7xQMDuoVVU4m0W0WRVSrVXMeGSIASsnucK9dJsrc+vU=; h=from:Content-Type:Mime-Version:Subject:Message-Id:Date:to; b=EhLyVPpKD7d2/+h1nrnu+iEEBDfh6UWiAf9Y5UK+aPNLt3fAyEKw6Ic46v32NOcZD
+	 M/zhXWucN0FXNiS0pz/QVIEy8Bcdy7eBZA0QA1fp8x5x5SugDELSRobQNbkOjBg7Mx
+	 VXy7h4pKZMm/hKyhvMZXK4AX9fSoXZt4VGlAFymFNavfdAeKgg/SHXLds4lOPJV1wR
+	 2E21g853iz5m/INq3uK6SQKzTnz/wDkdyiq90gC0tHQe8HpDRhPIqgL5KSEpuvUYmJ
+	 wjEOwwHqP6L3JfEeROOt6wyuB1ah7wgRvoABOJ81+qLYRn3bxF+y1BC+PwFd5yFWH5
+	 Ry43lwp1/3+sA==
+from: [email protected]
+Content-Type: text/plain; charset=us-ascii
+Content-Transfer-Encoding: 7bit
+Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.500.231\))
 Subject: Hello
-Message-Id: <MN2PR13MB38235B94DD6A0CE0C071941ED3312@MN2PR13MB3823.namprd13.prod.outlook.com>
-Date: Fri, 22 Mar 2024 09:13:55 +0000
-to: "zkemailverify@gmail.com" <[email protected]>
+Message-Id: <8F819D32-B6AC-489D-977F-438BBC4CAB27@me.com>
+Date: Sat, 26 Aug 2023 12:25:22 +0400
+to: zkewtest@gmail.com
 
-Testing testing 123...
+Hello,
+
+How are you?

packages/helpers/src/dkim/index.ts

@@ -21,6 +21,18 @@ export async function verifyDKIMSignature(
   tryRevertARCChanges: boolean = true
 ): Promise<DKIMVerificationResult> {
 
+  const emailStr = email.toString();
+
+  const pgpMarkers = [
+    "BEGIN PGP MESSAGE",
+    "BEGIN PGP SIGNED MESSAGE",
+  ];
+
+  const isPGPEncoded = pgpMarkers.some(marker => emailStr.includes(marker));
+
+  if (isPGPEncoded) {
+    throw new Error("PGP encoded emails are not supported.");
+  }
   let dkimResult = await tryVerifyDKIM(email, domain);
 
   if (dkimResult.status.result !== "pass" && tryRevertARCChanges) {