Merge branch 'master' of https://github.com/quaqua/jwt-decode into qu…

…aqua-master
lenakaplan · Jul 18, 2016 · fdead4f · fdead4f
2 parents f71db0d + ef2f694
commit fdead4f
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Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -2,10 +2,12 @@
 
 var base64_url_decode = require('./base64_url_decode');
 
-module.exports = function (token) {
+module.exports = function (token,options) {
   if (typeof token !== 'string') {
     throw new Error('Invalid token specified');
   }
-
-  return JSON.parse(base64_url_decode(token.split('.')[1]));
+
+  options = options || {};
+  var pos = options.header === true ? 0 : 1;
+  return JSON.parse(base64_url_decode(token.split('.')[pos]));
 };
diff --git a/test/tests.js b/test/tests.js
@@ -17,6 +17,12 @@ describe('jwt-decode', function () {
     expect(decoded.foo).to.equal('bar');
   });
 
+  it('should return header information', function () {
+    var decoded = jwt_decode(token, { header: true });
+    expect(decoded.typ).to.equal('JWT');
+    expect(decoded.alg).to.equal('HS256');
+  });
+
   it('should work with utf8 tokens', function () {
     var utf8_token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiSm9zw6kiLCJpYXQiOjE0MjU2NDQ5NjZ9.1CfFtdGUPs6q8kT3OGQSVlhEMdbuX0HfNSqum0023a0";
     var decoded = jwt_decode(utf8_token);