Commit 795246a9 authored by Jakob Moser's avatar Jakob Moser
Browse files

Add UUID to state

parent 4b4a9cad

static/js/snakeoil.mjs

+9 −0
Original line number Diff line number Diff line
@@ -45,3 +45,12 @@ export function getHandInToken(state) { 
     */

    return btoa(state.toString())

}



/**

 * Generate a random session uuid, whose sole purpose it is

 * to distinguish a hand-in token from this session from a hand-in

 * token from any other session.

 */

export function generateSessionUuid() {

    return crypto.randomUUID()

}

static/js/state.mjs

+15 −0
Original line number Diff line number Diff line 
/** Read and modify the current state of the application. Allows saving to local storage. */



import { generateSessionUuid } from "./snakeoil.mjs"



export class State {



    /**
@@ -11,6 +13,19 @@ export class State { 
        this.realm = realm

    }



    /**

     * Return a uuid for this test session

     */

    get sessionUuid() {

        let uuid = localStorage.getItem(`${this.realm}.sessionUuid`)

        if(uuid === null) {

            uuid = generateSessionUuid()

            localStorage.setItem(`${this.realm}.sessionUuid`, uuid)

        }



        return uuid

    }



    /**

     * Return if this is the first time the application was started

     */