1  var jws = require('jws');
 2  
 3  module.exports = function (jwt, options) {
 4    options = options || {};
 5    var decoded = jws.decode(jwt, options);
 6    if (!decoded) { return null; }
 7    var payload = decoded.payload;
 8  
 9    //try parse the payload
10    if(typeof payload === 'string') {
11      try {
12        var obj = JSON.parse(payload);
13        if(obj !== null && typeof obj === 'object') {
14          payload = obj;
15        }
16      } catch (e) { }
17    }
18  
19    //return header if `complete` option is enabled.  header includes claims
20    //such as `kid` and `alg` used to select the key within a JWKS needed to
21    //verify the signature
22    if (options.complete === true) {
23      return {
24        header: decoded.header,
25        payload: payload,
26        signature: decoded.signature
27      };
28    }
29    return payload;
30  };