116 lines
3.2 KiB
JavaScript
116 lines
3.2 KiB
JavaScript
import { Router } from 'express';
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import SQL from 'sql-template-strings';
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import sha1 from 'sha1';
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import {ulid} from "ulid";
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import Papa from 'papaparse';
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const getIp = req => {
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try {
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return req.headers['x-forwarded-for'] || req.connection.remoteAddress || req.ips.join(',') || req.ip;
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} catch {
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return '';
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}
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}
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const buildFingerprint = req => sha1(`
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${getIp(req)}
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${req.headers['user-agent']}
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${req.headers['accept-language']}
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`);
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const hasFinished = async req => {
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if (req.user) {
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const byUser = await req.db.get(SQL`
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SELECT * FROM census
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WHERE locale = ${req.config.locale}
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AND edition = ${req.config.census.edition}
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AND userId = ${req.user.id}
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`);
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return !!byUser;
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}
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const fingerprint = buildFingerprint(req);
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const byFingerprint = await req.db.get(SQL`
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SELECT * FROM census
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WHERE locale = ${req.config.locale}
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AND edition = ${req.config.census.edition}
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AND fingerprint = ${fingerprint}
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AND userId IS NULL
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`);
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return !!byFingerprint;
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}
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const router = Router();
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router.get('/census/finished', async (req, res) => {
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return res.json(await hasFinished(req));
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});
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router.post('/census/submit', async (req, res) => {
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const suspicious = await hasFinished(req);
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const id = ulid();
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await req.db.get(SQL`INSERT INTO census (id, locale, edition, userId, fingerprint, answers, writins, ip, userAgent, acceptLanguage, suspicious) VALUES (
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${id},
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${req.config.locale},
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${req.config.census.edition},
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${req.user ? req.user.id : null},
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${buildFingerprint(req)},
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${req.body.answers},
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${req.body.writins},
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null,
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null,
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null,
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${suspicious}
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)`);
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return res.json(id);
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});
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router.get('/census/count', async (req, res) => {
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return res.json((await req.db.get(SQL`
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SELECT COUNT(*) as c FROM census
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WHERE locale = ${req.config.locale}
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AND edition = ${req.config.census.edition}
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`)).c);
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});
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router.get('/census/export', async (req, res) => {
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if (!req.isGranted('census')) {
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res.status(401).json({error: 'Unauthorised'});
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}
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const report = [];
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for (let {answers, writins} of await req.db.all(SQL`
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SELECT answers, writins FROM census
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WHERE locale = ${req.config.locale}
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AND edition = ${req.config.census.edition}
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AND suspicious = 0
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`)) {
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answers = JSON.parse(answers);
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writins = JSON.parse(writins);
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const answer = {};
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let i = 0;
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for (let question of config.census.questions) {
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if (question.type === 'checkbox') {
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for (let [option, comment] of question.options) {
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answer[`${i}_${option}`] = (answers[i.toString()] || []).includes(option) ? 1 : '';
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}
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} else {
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answer[`${i}_`] = answers[i.toString()] || '';
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}
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if (question.writein) {
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answer[`${i}__writein`] = writins[i.toString()] || '';
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}
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i++;
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}
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report.push(answer);
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}
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return res.set('content-type', 'text/csv').send(Papa.unparse(report));
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});
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export default router;
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