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verifier.js
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verifier.js
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import { createServer } from 'node:http'
import { config, paradym, projectData, templates } from './init.js'
import QRCode from 'qrcode'
const pollingInterval = 3 // seconds
async function createRequest() {
const openId4VcVerification = await paradym.openId4Vc.verification.createRequest({
projectId: projectData.id,
requestBody: {
presentationTemplateId: templates.presentation.id
}
})
return openId4VcVerification
}
async function showRequest(res) {
// const id = uuidv4()
const credentialRequest = await createRequest()
console.log(credentialRequest)
const id = credentialRequest.id
const requestURL = credentialRequest.authorizationRequestUri
const dataURL = await QRCode.toDataURL(requestURL)
res.setHeader("Content-Type", "text/html")
res.writeHead(200)
res.end(`<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>Paradym vastaanottaa eläkeläistodisteen</title>
<style>
*[lang]:not([lang="en"]) {
display: none;
}
html {
margin: 0;
padding: 0;
}
body {
font-family: Gotham Rounded A,Gotham Rounded B,Arial,Georgia,serif;
margin: 0;
padding: 0;
}
#language {
display: flex;
float: right;
margin: 0 1em 0 auto;
padding: 0;
}
#language ul {
display: flex;
margin: 0;
padding: 0.5em;
}
.language-switcher {
margin: 0.5em;
}
.language-switcher li {
color: #007ac9;
list-style-type: none;
margin: 0em 0.5em 0 0;
text-align: center;
width: 2em;
}
.language-switcher li.selected {
text-decoration: underline;
}
header {
clear: both;
margin: 0;
padding: 0;
}
header li svg {
margin-top: -1em;
}
.nav {
background-color: #007ac9;
color: #FFF;
display: flex;
margin: 0;
padding: 1em 2em 0 2em;
}
.nav li {
display: block;
list-style-type: none;
margin: 0 2em;
padding: 0.5em 0;
}
.nav li:hover {
cursor: pointer;
text-decoration: underline;
}
#content {
margin: 0 4em;
}
#content.full pre {
display: block;
}
table {
max-width: 30em;
margin: 1em auto;
}
th, td {
text-align: left;
}
pre {
background-color: black;
color: green;
display: none;
text-align: left;
}
</style>
<body style="text-align: center;">
<div id="language"></div>
<header>
<ol class="nav">
<li><svg width="106" height="40" viewBox="0 0 106 40" class="" aria-hidden="true" xmlns="http://www.w3.org/2000/svg"><path fill="#FFFFFF" fill-rule="evenodd" d="M48.877.339c.27-.164.608-.164.878 0 .27.163.428.462.41.778v37.948c.018.316-.14.616-.41.779-.27.163-.608.163-.878 0s-.428-.463-.41-.779V1.118c-.018-.317.14-.616.41-.78zm3.404 0c.27-.164.608-.164.878 0 .27.163.428.462.41.778v37.948c.018.316-.14.616-.41.779-.27.163-.608.163-.878 0s-.428-.463-.41-.779V1.118c-.018-.317.14-.616.41-.78zM19.74.25c1.742 0 2.986 1.593 2.986 3.787-.038 1.123-.466 2.196-1.209 3.035l6.136 2.55c.065-1.119.517-2.18 1.279-3 1.538-1.56 3.553-1.784 4.773-.56 1.219 1.225.985 3.243-.56 4.795-.816.766-1.872 1.22-2.986 1.286l2.545 6.17c.835-.747 1.904-1.177 3.021-1.215 2.185 0 3.797 1.25 3.797 3s-1.585 3-3.77 3c-1.117-.039-2.185-.469-3.02-1.215l-2.546 6.17c1.115.063 2.172.52 2.986 1.287 1.555 1.545 1.784 3.573.56 4.795-1.224 1.223-3.23.988-4.773-.565-.762-.819-1.215-1.88-1.279-3l-6.143 2.555c.743.838 1.17 1.91 1.21 3.032 0 2.198-1.245 3.788-2.987 3.788-1.741 0-2.986-1.59-2.986-3.788.038-1.121.466-2.195 1.21-3.032l-6.144-2.555c-.063 1.12-.516 2.181-1.279 3-1.535 1.553-3.548 1.795-4.77.565-1.222-1.23-.988-3.247.558-4.795.814-.768 1.87-1.224 2.985-1.288l-2.545-6.17c-.834.748-1.902 1.178-3.018 1.215-2.185 0-3.77-1.25-3.77-3s1.585-3 3.77-3c1.116.038 2.184.468 3.018 1.215l2.538-6.165c-1.114-.066-2.17-.52-2.986-1.284-1.55-1.545-1.772-3.568-.555-4.795 1.217-1.228 3.225-.993 4.77.56.762.819 1.214 1.88 1.28 3l6.128-2.556c-.744-.838-1.172-1.912-1.21-3.035 0-2.194 1.245-3.787 2.986-3.787zm.003 33.627c-1.217.735-1.264 2.185-1.264 2.273.002 1.193.532 2.055 1.264 2.055.739 0 1.269-.862 1.269-2.055-.003-.087-.047-1.538-1.27-2.273zM78.328 21.34c.27.163.428.462.41.779V35.75c.018.316-.14.616-.41.779-.27.163-.608.163-.878 0s-.428-.463-.41-.779v-6.063h-8.71v6.063c0 .305-.162.588-.425.74-.264.153-.588.153-.851 0-.264-.152-.426-.435-.426-.74V22.117c0-.305.162-.587.426-.74.263-.153.587-.153.85 0 .264.153.426.435.426.74v5.97h8.71v-5.97c-.018-.316.14-.615.41-.778.27-.164.608-.164.878 0zm9.301.021c1.854 0 3.337.56 4.285 1.5.77.804 1.19 1.884 1.167 3v.04c0 2.5-1.685 3.94-4.031 4.393l3.747 4.845c.17.166.272.391.284.63-.028.463-.404.829-.866.842-.322-.013-.618-.183-.794-.455l-4.242-5.54h-4.32v5.135c.017.316-.14.616-.41.779-.27.163-.608.163-.878 0s-.428-.463-.411-.779l-.013-13.525c-.001-.47.373-.855.841-.865h5.641zm17.376 0c.437.007.79.36.798.8-.01.435-.365.782-.798.777h-4.372V35.75c0 .478-.386.865-.861.865-.476 0-.861-.387-.861-.865V22.937h-4.372c-.434.006-.79-.341-.799-.777.007-.44.361-.795.8-.8h10.465zm-73.07 9.188c-.055-.058-1.11-1.053-2.489-.703-.343 1.383.647 2.438.702 2.5.853.84 1.829 1.08 2.346.558.52-.523.286-1.513-.56-2.355zm-21.897-.705c-1.376-.35-2.429.645-2.489.702-.84.845-1.072 1.835-.554 2.358.517.522 1.502.282 2.346-.558.06-.06 1.05-1.117.697-2.502zm9.706-21.64l-8.365 3.482-3.469 8.408L11.38 28.5l8.365 3.48 8.373-3.48 3.469-8.41-3.469-8.405-8.373-3.482zm67.753 14.722H82.86v6.145l4.618.012c2.262 0 3.877-1.167 3.877-3.117v-.04c0-1.86-1.42-3-3.857-3zM35.73 18.82c-.085 0-1.53.045-2.26 1.273.73 1.224 2.175 1.272 2.26 1.272 1.187-.005 2.05-.537 2.05-1.272s-.863-1.273-2.05-1.273zm-31.967 0c-1.187 0-2.05.538-2.05 1.273 0 .735.863 1.272 2.05 1.272.087-.005 1.533-.047 2.262-1.272-.731-1.228-2.177-1.273-2.262-1.273zM86.808 3.582c1.69-.026 3.35.44 4.782 1.34.467.276.751.78.747 1.323 0 .411-.164.806-.456 1.094-.292.289-.687.448-1.097.441-.297-.001-.588-.088-.838-.25-1.098-.647-2.133-1.013-3.165-1.013-1.27 0-1.939.58-1.939 1.318v.043c0 1 .647 1.32 3.252 2 3.059.797 4.78 1.9 4.78 4.54v.045c0 3-2.284 4.695-5.533 4.695-2.037.002-4.023-.638-5.679-1.828-.392-.295-.623-.758-.622-1.25-.001-.412.162-.807.454-1.096.292-.289.687-.448 1.096-.441.34-.004.672.103.946.305 1.101.867 2.457 1.345 3.857 1.36 1.356 0 2.175-.54 2.175-1.428v-.03c0-.85-.52-1.28-3.036-1.928-3.038-.782-4.997-1.624-4.997-4.632v-.042c0-2.75 2.195-4.566 5.273-4.566zm-8.564.243c.523.312.834.887.81 1.497v12.073c.024.61-.287 1.185-.81 1.498-.522.312-1.173.312-1.696 0-.523-.313-.834-.887-.81-1.498v-4.543h-6.114v4.543c0 .596-.316 1.146-.83 1.444-.513.298-1.146.298-1.66 0-.513-.298-.83-.848-.83-1.444V5.323c0-.596.317-1.147.83-1.445.514-.297 1.147-.297 1.66 0 .514.298.83.849.83 1.444V9.78h6.114V5.323c-.024-.611.287-1.186.81-1.498.523-.313 1.174-.313 1.696 0zm18.253-.167c.916 0 1.658.745 1.658 1.664V15.9h6.138c.81.033 1.45.702 1.45 1.516 0 .814-.64 1.483-1.45 1.517h-7.796c-.44.004-.865-.17-1.177-.485-.312-.313-.485-.74-.48-1.183V5.322c0-.92.742-1.664 1.657-1.664zM32.5 7.282c-.517-.522-1.503-.285-2.346.558-.045.058-1.04 1.117-.697 2.505 1.374.348 2.429-.648 2.488-.705.839-.845 1.073-1.835.555-2.358zm-23.158.556c-.851-.843-1.829-1.08-2.344-.558-.528.522-.279 1.513.56 2.353.055.057 1.107 1.052 2.488.705.346-1.38-.644-2.44-.704-2.5zm10.403-5.865c-.731 0-1.261.867-1.264 2.062.003.085.048 1.535 1.264 2.27 1.222-.735 1.27-2.185 1.27-2.27-.003-1.195-.523-2.063-1.27-2.063z"></path></svg></li>
<li><span lang="fi">Liput ja hinnat</span><span lang="en">Tickets and fares</span></li><li><span lang="fi">Matkustaminen</span><span lang="en">Travelling</span></li><li><span lang="fi">Asiakaspalvelu</span><span lang="en">Customer service</span></li><li><span lang="fi">HSL</span><span lang="en">HSL</span></li></ol>
</header>
<h1><span lang="fi">Hanki eläkeläisalennus</span><span lang="en">Get pensioner discount</span></h1>
<div id="content">
<a href="${requestURL}"><img src="${dataURL}" alt="Credential Request QR Code" /></a>
<p><span lang="fi">Lue QR-koodi lompakkosovelluksellasi</span><span lang="en">Scan the QR code using your digital wallet</span></p>
</div>
<script>
const params = new URLSearchParams(document.location.search)
let currentLanguage = params.get('lang') || 'en'
const lcontainer = document.querySelector('#language')
const languages = ['fi', 'en']
const defaultLanguage = currentLanguage
const translatedElementsSelector = '[lang]'
const switcher = document.createElement('ul')
const css = document.styleSheets[0];
switcher.className = 'language-switcher'
languages.forEach((lang) => {
const li = document.createElement('li')
li.textContent = lang
li.onclick = (e) => {
console.log(e)
currentLanguage = lang
const currentParams = new URLSearchParams(document.location.search)
let newParams = \`lang=\${encodeURIComponent(lang)}\`
const currentUrl = currentParams.get('url')
if (currentUrl) {
newParams += \`&url=\${encodeURIComponent(currentUrl)}\`
}
history.pushState({lang, currentUrl}, '', \`\${document.location.href.split('?')[0]}?\${newParams}\`)
const lis = switcher.querySelectorAll('li')
for (l of lis) {
l.classList.remove('selected')
}
li.classList.add('selected')
const html = document.querySelector(':root')
const oldLang = html.lang
html.lang = lang
for (let i = 0; i < css.cssRules.length; i++) {
const rule = css.cssRules[i]
if (rule.selectorText == \`[lang]:not([lang="\${oldLang}"])\`) {
css.deleteRule(i)
css.insertRule(\`[lang]:not([lang="\${lang}"]) { display: none; }\`, i)
}
}
}
if (lang == defaultLanguage) {
li.className = 'selected'
}
switcher.appendChild(li)
})
lcontainer.appendChild(switcher)
const c = document.querySelector('#content')
const uri = '/status?id=${id}'
let timer
async function checkStatus() {
const resp = await fetch(uri)
if (resp.status == 200) {
const status = await resp.json()
if (status.credentials?.length > 0) {
clearInterval(timer)
const credential = status.credentials[0].presentedAttributes
// console.log(credential)
const html = \`<p><span lang="fi">Todisteen tarkistuksen tila</span><span lang="en">Credential verification status</span>: <strong>\${status.status}</strong></p>
<table>
<tr><th><span lang="fi">Hetu</span><span lang="en">Personal identifier</span></th><td>\${credential.personal_administrative_number}</td></tr>
<tr><th><span lang="fi">Eläke</span><span lang="en">Pension type</span></th><td>\${credential.typeCode}</td></tr>
<tr><th><span lang="fi">Alkamispäivä</span><span lang="en">Start date</span></th><td>\${credential.startDate}</td></tr>
</table>
<pre>\${JSON.stringify(status, null, 2)}</pre>\`
c.innerHTML = html
}
}
}
timer = setInterval(checkStatus, ${pollingInterval * 1000} )
</script>
</body>
</html>`)
}
async function getStatus(id) {
// const headers = apiHeaders
const verificationSession = await paradym.openId4Vc.verification.getVerificationSession({
projectId: projectData.id,
openId4VcVerificationId: id
})
console.log(verificationSession)
return verificationSession
}
const handleRequests = async function (req, res) {
const fullUrl = new URL('http://example.com' + req.url) // convert into a full URI for parsing
let id = fullUrl.searchParams.get('id')
console.log(fullUrl.pathname, id)
switch (fullUrl.pathname) {
case '/.well-known/openid-federation':
res.setHeader("Content-Type", "application/entity-statement+jwt")
res.writeHead(200)
res.end(config.verifier_entity_configuration)
return false
case '/status':
const status = await getStatus(id)
res.setHeader("Content-Type", "application/json")
res.writeHead(200)
res.end(JSON.stringify(status))
return false
}
if (req.url !== '/') {
res.setHeader("Content-Type", "text/plain")
res.writeHead(404)
res.end(`Not Found`)
return false
}
await showRequest(res)
}
const server = createServer(handleRequests)
server.listen(config.verifier_port, config.server_host, () => {
console.log(`Server is running on http://${config.server_host}:${config.verifier_port}`)
})