Created
October 13, 2018 23:58
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Discord Webhook Relay for Grafana (deprecated now that Grafana has this built-in)
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| [Unit] | |
| Description=webhookRelay.js - a Slack to Discord webhook relay for Grafana | |
| Documentation=https://gist.github.com/brussell98/a865ecc2284e958226596accc852ee28 | |
| After=network.target | |
| [Service] | |
| Type=simple | |
| User=nobody | |
| ExecStart=/usr/bin/node /opt/discordWebhookRelay/webhookRelay.js | |
| Restart=on-failure | |
| [Install] | |
| WantedBy=multi-user.target |
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| const express = require('express'), | |
| bodyParser = require('body-parser'), | |
| request = require('unirest'), | |
| app = express(); | |
| app.disable('x-powered-by'); | |
| app.set('env', 'production'); | |
| app.use(bodyParser.json()); | |
| app.use(bodyParser.urlencoded({ extended: true })); | |
| app.post('/relay/:id/:token', log, (req, res) => { | |
| if (!req.params.id || !req.params.token || !req.body) | |
| res.sendStatus(400); | |
| if (req.body.payload) { | |
| req.body = JSON.parse(req.body.payload); | |
| } | |
| for (let attachment of req.body.attachments) { | |
| if (!attachment.fields) | |
| continue; | |
| for (let field of attachment.fields) { | |
| field.name = field.title; | |
| delete field.title; | |
| delete field.short; | |
| field.value = field.value.toString(); | |
| } | |
| } | |
| var embed = { "embeds": [{ | |
| "url": req.body.attachments[0].title_link.replace(/ /g,''), | |
| "image": { "url": req.body.attachments[0].image_url.replace(/ /g,'') }, | |
| "title": req.body.attachments[0].title, | |
| "description": req.body.attachments[0].text, | |
| "color": parseInt((req.body.attachments[0].color.replace(/#/g,'')), 16), | |
| "fields": req.body.attachments[0].fields, | |
| "timestamp": new Date().toISOString(), | |
| "footer": { | |
| "icon_url": req.body.attachments[0].footer_icon.replace(/ /g,''), | |
| "text": req.body.attachments[0].footer | |
| } | |
| }]}; | |
| console.log("Relaying " + req.body.attachments[0].title + " it is " + new Date().toISOString()); | |
| //console.log('Relaying data: ' + require('util').inspect(embed, { depth: null })); | |
| request.post(`https://canary.discordapp.com/api/webhooks/${req.params.id}/${req.params.token}?wait=true`) | |
| .type('application/json') | |
| .header('User-Agent', 'Webhook-Relay v1') | |
| .send(embed) | |
| .end(response => { | |
| if (response.ok) { | |
| //console.log('Relay Response: ' + require('util').inspect(response.body, { depth: null })); | |
| res.status(200).send(response.body); | |
| } else { | |
| console.error('Relay Error: ' + require('util').inspect(response.body, { depth: null })); | |
| res.sendStatus(500); | |
| } | |
| }); | |
| }); | |
| app.use((req, res) => { | |
| res.status(404); | |
| if (req.accepts('html')) | |
| res.send('<h1>' + req.url + ' not found</h1>'); | |
| else if (req.accepts('json')) | |
| res.send({ error: 'Not found' }); | |
| else | |
| res.type('txt').send('Not found'); | |
| }); | |
| function log(req, res, next) { | |
| console.log(`${req.method} ${req.path} from ${req.headers['x-forwarded-for'] || req.connection.remoteAddress || req.socket.remoteAddress || req.connection.socket.remoteAddress}`); | |
| return next(); | |
| } | |
| app.listen(4321, '127.0.0.1', error => { | |
| if (error) | |
| return console.log(error) | |
| console.log('Webhook Relay online'); | |
| }); |
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