mirror of
https://gitplac.si/aljaxus/upn-qr.git
synced 2025-12-16 19:50:57 +00:00
102 lines
3.6 KiB
JavaScript
102 lines
3.6 KiB
JavaScript
import express from 'express'
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import path from 'path'
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import qrcode from 'qrcode'
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import cors from 'cors'
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import { dirname } from 'path'
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import { fileURLToPath } from 'url'
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const app = express()
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const __dirname = dirname(fileURLToPath(import.meta.url))
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app.use(cors())
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app.use('/public', express.static('public'))
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app.set('views', path.join(__dirname, 'views'))
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app.set('view engine', 'ejs')
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app.get('/', (req, res) => res.render('index'))
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app.get('/healthcheck', (req, res) => res.send({ ok: true, pod: process.env.POD_NAME }))
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app.get('/form', (req, res) => res.render('form', { q: req.query }))
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app.get('/api/qrcode', async (req, res) => {
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console.log(`/api/qrcode "${req.query['client_name']}" "${req.query['client_address']}" "${req.query['client_city']}" "${req.query['amount']}" "${req.query['payment_purpose']}" "${req.query['iban']}" "${req.query['reference']}" "${req.query['issuer_name']}" "${req.query['issuer_address']}" "${req.query['issuer_city']}"`)
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const errors = []
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function check (name, rgxp) {
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if (!req.query[name]) errors.push(`${name} is required`)
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else {
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req.query[name] = decodeURIComponent(String(req.query[name])).trim()
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if (!String(req.query[name]).match(rgxp)) {
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errors.push(`${name} does not match the required format`)
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}
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}
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}
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check('client_name', /^[a-zA-Z0-9ČŠŽĐ'](?:[A-Z0-9 ČŠŽĐ']{0,31}[A-Z0-9ČŠŽĐ'])?$/i)
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check('client_address', /^[a-zA-Z0-9ČŠŽĐ](?:[A-Z0-9 ČŠŽĐ]{0,31}[A-Z0-9ČŠŽĐ])?$/i)
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check('client_city', /^[a-zA-Z0-9ČŠŽĐ](?:[A-Z0-9 ČŠŽĐ]{0,31}[A-Z0-9ČŠŽĐ])?$/i)
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check('amount', /^(?=.{11}$)[0]{1,11}[0-9]{0,11}$/)
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check('payment_purpose', /^.{1,42}$/i)
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check('iban', /^[A-Z]{2}[A-Z0-9]{17,19}$/)
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check('reference', /^[A-Z]{2}[0-9\-]{1,24}$/)
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check('issuer_name', /^[a-zA-Z0-9ČŠŽĐ.'](?:[A-Z0-9 ČŠŽĐ.'\-]{0,31}[A-Z0-9ČŠŽĐ.'])?$/i)
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check('issuer_address', /^[a-zA-Z0-9ČŠŽĐ](?:[A-Z0-9 ČŠŽĐ\-.]{0,31}[A-Z0-9ČŠŽĐ])?$/i)
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check('issuer_city', /^[a-zA-Z0-9ČŠŽĐ](?:[A-Z0-9 ČŠŽĐ]{0,31}[A-Z0-9ČŠŽĐ])?$/i)
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// SET DEFAULT PURPOSE_CODE
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if (!req.query.purpose_code) req.query.purpose_code = "OTHR"
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else {
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if (!String(req.query.purpose_code).match(/^[A-Z]{4}$/)) {
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errors.push("purpose_code does not match the required format")
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}
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}
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// DEADLINE is optional
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if (req.query.deadline ) {
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if(!String(req.query.deadline).match(/^[0-9]{2}\.[0-9]{2}\.[0-9]{4}$/)) {
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errors.push("deadline does not match the required format")
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}
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} else {
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req.query.deadline = ""
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}
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if (errors.length > 0) return res.status(400).send({
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ok: false,
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errors
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})
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let text = `UPNQR
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${String(req.query.client_name).toUpperCase()}
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${String(req.query.client_address).toUpperCase()}
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${String(req.query.client_city).toUpperCase()}
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${req.query.amount}
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${String(req.query.purpose_code).toUpperCase()}
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${String(req.query.payment_purpose).toUpperCase()}
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${req.query.deadline}
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${req.query.iban}
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${req.query.reference}
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${String(req.query.issuer_name).toUpperCase()}
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${String(req.query.issuer_address).toUpperCase()}
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${String(req.query.issuer_city).toUpperCase()}`
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text = `${text}\n${text.length + 1}`
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const code = await qrcode.toDataURL(text, { errorCorrectionLevel: 'H' })
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var img = new Buffer.from(code.split(',')[1], 'base64')
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res.writeHead(200, {
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'Content-Type': 'image/png',
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'Content-Length': img.length
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})
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res.end(img)
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})
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app.listen(process.env.PORT || 80, () => console.log(`UPN-QR started on port ${process.env.PORT || 80}`))
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