Merge pull request #2365 from shubhambansaltarento/master-new

Update jwtHelper in master and readme file

README.md

@@ -2,7 +2,9 @@
 
 ## Pre-requisites
 
-Before you install creation portal on your laptop, examine your environment and gather data to ensure an optimal installation experience. Review the [details](https://app.gitbook.com/o/-Mi9QwJlsfb7xuxTBc0J/s/SjljYc0PyD64vGgDlMl4/use/system-requirements) to ensure that the environment has the necessary resources and compliant target systems to successfully install and run creation portal.
+Before you install creation portal on your laptop, examine your environment and gather data to ensure an optimal installation experience. Review the [details](https://sunbird.gitbook.io/sunbird-cokreat-1/v/release-7.0.0-draft-1/use/developer-guide/reference-cokreat-web-app/reference-cokreat-web-app/installation-guide/ubuntu-or-mac-installation) to ensure that the environment has the necessary resources and compliant target systems to successfully install and run creation portal.
+
+Note: For Apple Mac M1 chip set please reffer the microsite installation guidelines 
 
 ## Project Setup
 
@@ -58,6 +60,7 @@ Before you install creation portal on your laptop, examine your environment and
 5. Edit the Application Configuration
 
     > Open `<PROJECT-FOLDER>/src/app/helpers/environmentVariablesHelper.js` in any available text editor and update the contents of the file so that it contains exactly the following values
+    > Note: Environment variables are dependent on your infra and may change please contact the infra person for updated environment variables
 
     ```console
       module.exports = {
@@ -84,7 +87,7 @@ Before you install creation portal on your laptop, examine your environment and
 1. Creation portal or web application
 
     1. Run the following command in the **{PROJECT-FOLDER}/src/app/client** folder
-    2. $ nodemon
+    2. ng build --watch=true
     3. Wait for the build process to complete before proceeding to the next step. The following messge should appear on the screeen
       ```console
         [nodemon] clean exit - waiting for changes before restart
@@ -93,7 +96,7 @@ Before you install creation portal on your laptop, examine your environment and
 2. Services stack or the backend API interface
 
     1. Run the following command in the **{PROJECT-FOLDER}/src/app** folder
-    2. $ node server.js
+    2. npm run server
 
 3. The local HTTP server is launched at `http://localhost:3000`
 

src/app/helpers/jwtHelper.js

@@ -0,0 +1,27 @@
+const jwt = require('jsonwebtoken');
+
+/**
+ *
+ * @param accessToken
+ * @returns {*}
+ */
+const getUserIdFromToken = (accessToken) => {
+  var jwtPayload = jwt.decode(accessToken);
+  if (jwtPayload && jwtPayload.sub) {
+    var splittedSub = jwtPayload.sub.split(':');
+    return splittedSub[splittedSub.length - 1]
+  } else {
+    return null;
+  }
+};
+
+/**
+ * JWT token to decode
+ * @param token
+ * @returns {null|{payload, signature, header}}
+ */
+const decodeToken = (token) => {
+  return jwt.decode(token);
+};
+
+module.exports = {getUserIdFromToken, decodeToken};