covidpass-greenpass-su-ipho.../components/Form.js

188 lines
6.1 KiB
JavaScript

import jsQR from "jsqr"
import {saveAs} from 'file-saver'
import {decodeData} from "../src/decode"
import { processJpeg, processPng, processPdf } from "../src/process"
import {createPass} from "../src/pass"
import Card from "../components/Card"
import Alert from "../components/Alert"
export default Form
function Form() {
function readFileAsync(file) {
return new Promise((resolve, reject) => {
let reader = new FileReader();
reader.onload = () => {
resolve(reader.result);
};
reader.onerror = reject;
reader.readAsArrayBuffer(file);
})
}
const error = function(heading, message) {
const alert = document.getElementById('alert')
alert.setAttribute('style', null)
document.getElementById('heading').innerHTML = heading
document.getElementById('message').innerHTML = message
document.getElementById('spin').style.display = 'none'
}
const processFile = async function() {
document.getElementById('spin').style.display = 'block'
const file = document.getElementById('file').files[0]
const fileBuffer = await readFileAsync(file)
let imageData
switch (file.type) {
case 'application/pdf':
console.log('pdf')
imageData = await processPdf(fileBuffer)
break
case 'image/jpeg':
console.log('jpeg')
imageData = await processJpeg(fileBuffer)
break
case 'image/png':
console.log('png')
imageData = await processPng(fileBuffer)
break
default:
error('Error', 'Invalid file type')
return
}
let code = jsQR(imageData.data, imageData.width, imageData.height, {
inversionAttempts: 'dontInvert',
})
if (code) {
const rawData = code.data
let decoded
try {
decoded = decodeData(rawData)
} catch (error) {
error('Invalid QR code found', 'Make sure that you picked the correct PDF')
}
return {decoded: decoded, raw: rawData}
} else {
error('No QR code found', 'Try scanning the PDF again')
}
}
const addToWallet = async function(event) {
event.preventDefault()
let result
try {
result = await processFile()
} catch {
error('Error:', 'Could not extract QR code data from PDF')
}
if (typeof result === 'undefined') {
return
}
const color = document.getElementById('color').value
try {
const pass = await createPass(
{
decoded: result.decoded,
raw: result.raw,
color: color
}
)
if (!pass) {
error('Error:', "Something went wrong.")
} else {
const passBlob = new Blob([pass], {type: "application/vnd.apple.pkpass"});
saveAs(passBlob, 'covid.pkpass')
}
} catch (e) {
error('Error:', e.message)
} finally {
document.getElementById('spin').style.display = 'none'
}
}
return (
<div>
<form className="space-y-5" id="form" onSubmit={(e) => addToWallet(e)}>
<Card step={1} heading="Select Certificate" content={
<div className="space-y-5">
<p>
Please select the (scanned) certificate PDF page, which you received from your doctor, pharmacy, vaccination centre or online.
</p>
<input
className="w-full"
type="file"
id="file"
accept="application/pdf,image/jpeg,image/png"
required
/>
</div>
} />
<Card step={2} heading="Pick a Color" content={
<div className="relative inline-block w-full">
<select name="color" id="color" className="bg-gray-200 dark:bg-gray-900 focus:outline-none w-full h-10 pl-3 pr-6 text-base rounded-md appearance-none cursor-pointer">
<option value="white">white</option>
<option value="black">black</option>
<option value="grey">grey</option>
<option value="green">green</option>
<option value="indigo">indigo</option>
<option value="blue">blue</option>
<option value="purple">purple</option>
<option value="teal">teal</option>
</select>
<div className="absolute inset-y-0 right-0 flex items-center px-2 pointer-events-none">
<svg className="w-5 h-5 fill-current" viewBox="0 0 20 20"><path d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clipRule="evenodd" fillRule="evenodd"/></svg>
</div>
</div>
} />
<Card step={3} heading="Add to Wallet" content={
<div className="space-y-5">
<p>
Data privacy is of special importance when processing health-related data.
In order for you to make an informed decision, please read the <a href="/privacy">Privacy Policy</a>.
</p>
<label htmlFor="privacy" className="flex flex-row space-x-4 items-center">
<input type="checkbox" id="privacy" value="privacy" required className="h-4 w-4" />
<p>
I accept the <a href="/privacy" className="underline">Privacy Policy</a>
</p>
</label>
<div className="flex flex-row items-center justify-start">
<button id="download" type="download" className="focus:outline-none bg-green-600 py-2 px-3 text-white font-semibold rounded-md disabled:bg-gray-400">
Add to Wallet
</button>
<div id="spin" style={{ "display": "none" }}>
<svg className="animate-spin h-5 w-5 ml-2" viewBox="0 0 24 24">
<circle className="opacity-0" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"/>
<path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"/>
</svg>
</div>
</div>
</div>
} />
</form>
<Alert />
<canvas id="canvas" style={{ display: "none" }} />
</div>
)
}