Fixed tests

postalsys · Feb 12, 2024 · b93f07c · b93f07c
1 parent 8f25353
commit b93f07c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/dkim/dkim-verifier.js b/lib/dkim/dkim-verifier.js
@@ -149,7 +149,12 @@ class DkimVerifier extends MessageParser {
                 this.bodyHashes.set(signatureHeader.bodyHashKey, dkimBody(signatureHeader.bodyCanon, signatureHeader.hashAlgo, signatureHeader.maxBodyLength));
             }
 
-            let contentTypeHeader = this.headers.parsed.findLast(header => header.key === 'content-type');
+            let headersArray = this.headers.parsed;
+            const findLastMethod = typeof headersArray.findLast === 'function' ? headersArray.findLast : headersArray.find;
+            if (typeof headersArray.findLast !== 'function') {
+                headersArray = [].concat(headersArray).reverse();
+            }
+            const contentTypeHeader = findLastMethod.call(headersArray, header => header.key === 'content-type');
             if (contentTypeHeader) {
                 let line = contentTypeHeader.line.toString();
                 if (line.indexOf(':') >= 0) {