sa-kws-node-sdk - npm Package Compare versions

Comparing version 0.1.4 to 0.1.5

lib/kwsSdk.js

@@ -5,2 +5,3 @@ var BPromise = require('bluebird');
 var utils = require('./utils');
+var crypto = require('crypto');
 
@@ -96,3 +97,2 @@ function KwsSdk(opts) {
 //*********************************************************************************
-
 // This functions are called when an API call is made
@@ -161,2 +161,48 @@ //*********************************************************************************
 
+//*********************************************************************************
+// Webhooks part
+//*********************************************************************************
+
+// validate if the call is coming from KWS API
+KwsSdk.prototype.validWebhookSignature = function(secretKey) {
+    var self = this;
+
+    return function(req, res, next) {
+        var signature = req.headers['x-kwsapi-signature'];
+
+        if (signature === undefined) {
+                res.sendStatus('401');
+
+                if (self.opts.debug) {
+                    self.opts.logger('Error in: validWebhookSignature middleware');
+                    self.opts.logger('headers[x-kwsapi-signature] is undefined');
+                }
+
+        } else {
+            var signedData = req.originalUrl;
+
+            for(var key in req.body) {
+                signedData += key;
+                signedData += data[key];
+            }
+
+            signedData += secretKey;
+
+            var currentSignature = crypto.createHmac('sha1', secretKey).update(signedData).digest('hex').toString('base64');
+
+            if (currentSignature !== signature) {
+                res.sendStatus('401');
+
+                if (self.opts.debug) {
+                    self.opts.logger('Error in: validWebhookSignature middleware');
+                    self.opts.logger('headers[x-kwsapi-signature] is invalid, check your secretKey');
+                }
+            } else {
+                next();
+            }
+        }
+    }
+};
+//*********************************************************************************
+
 module.exports = KwsSdk;

package.json

 {
   "name": "sa-kws-node-sdk",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "KWS Node App SDK",
@@ -5,0 +5,0 @@ "main": "./lib/kwsSdk.js",

No alert changes

Improved metrics

Total package byte prevSize

37768

increased by4.44%

Lines of code

954

increased by3.92%

No dependency changes