Supprt headers as String or Buffer

BOOKATIGER · Feb 19, 2018 · e090814 · e090814
1 parent b86846d
commit e090814
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Showing 3 changed files with 23 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -1,4 +1,6 @@
 
+const headerParse = require('header-parse');
+
 /**
  * Convert header names to lower case and normalize value to string.
  * @param {Object} headers  - Key/value object of headers
@@ -18,7 +20,9 @@ const normalizedHeaders = (headers) => {
  * @return {Boolean}        - True if autoreply, false otherwise
  */
 module.exports = (headers) => {
-    // TODO: maybe if headers is a string, we can parse it as email headers using a NPM module
+    if(typeof headers === 'string' || Buffer.isBuffer(headers)) {
+        headers = headerParse.parseHeaders(headers);
+    }
 
     headers = normalizedHeaders(headers);
 

diff --git a/package.json b/package.json
@@ -42,5 +42,8 @@
   "bugs": {
     "url": "https://github.com/walling/is-autoreply/issues"
   },
-  "homepage": "https://github.com/walling/is-autoreply#readme"
+  "homepage": "https://github.com/walling/is-autoreply#readme",
+  "dependencies": {
+    "header-parse": "~0.1.0"
+  }
 }
diff --git a/test.js b/test.js
@@ -86,3 +86,17 @@ assert.ok(isAutoreply({ 'X-Auto-Response-Suppress': 'OOF' }));
 assert.ok(isAutoreply({ 'x-auto-response-suppress': 'oof' }));
 assert.ok(isAutoreply({ 'x-auto-response-suppress': 'RN, NRN' }));
 assert.ok(isAutoreply({ 'x-auto-response-suppress': '' }));
+
+// Test string headers
+assert.ok(isAutoreply('Delivered-To: Autoresponder'));
+assert.ok(isAutoreply('Delivered-To:   Autoresponder  '));
+assert.ok(isAutoreply('X-POST-MessageClass: 9; autoresponder'));
+assert.ok(isAutoreply('X-POST-MessageClass:     9;      autoresponder     '));
+assert.ok(!isAutoreply('MIME-Version: 1.0'));
+
+// Test buffer headers
+assert.ok(isAutoreply(Buffer.from('Delivered-To: Autoresponder')));
+assert.ok(isAutoreply(Buffer.from('Delivered-To:   Autoresponder  ')));
+assert.ok(isAutoreply(Buffer.from('X-POST-MessageClass: 9; autoresponder')));
+assert.ok(isAutoreply(Buffer.from('X-POST-MessageClass:     9;      autoresponder     ')));
+assert.ok(!isAutoreply(Buffer.from('MIME-Version: 1.0')));