104 lines
3.0 KiB
JavaScript
104 lines
3.0 KiB
JavaScript
/**
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* Doorman entrypoint
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*/
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const fetch = require('node-fetch');
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async function getConfig(context, buzzer) {
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return await fetch(context.DOORMAN_URL + `/api/door/info?buzzer=${buzzer}`)
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.then(res => res.json())
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.catch(err => {
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return undefined;
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});
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}
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function notifyDiscord(context, msg, u, optionalJsonStr) {
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return fetch(context.DOORMAN_URL +
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`/api/door/notify?discordUser=${u}&msg=${encodeURIComponent(msg)}&json=${encodeURIComponent(optionalJsonStr)}`
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).catch(err => console.log(err))
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}
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function notifyAllDiscord(context, config, msg, optionalJsonStr) {
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return Promise.all(config.discordUsers.map((u) =>
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notifyDiscord(context, msg, u, optionalJsonStr)
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));
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}
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function doorOpenTwiml(twiml, config) {
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twiml.play('https://buzzer-2439-prod.twil.io/buzzing_up_boosted.mp3');
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twiml.play({ digits: config.pressKey }); // configured in doorman what button to click and passed into this function
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twiml.pause({ length: 1 });
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twiml.hangup();
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}
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function dialFallbackTwiml(twiml, config) {
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let dial = twiml.dial({
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timeLimit: 20,
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timeout: 20
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});
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config.fallbackNumbers.forEach(number => {
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dial.number(number);
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});
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}
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exports.handler = async function(context, event, callback) {
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let twiml = new Twilio.twiml.VoiceResponse();
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let config = event.config;
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// get by api or parse it out from query
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if (!config) {
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config = await getConfig(context, event.From);
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} else {
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try {
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config = JSON.parse(config);
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} catch(e) {
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config = await getConfig(context, event.From);
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}
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}
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// reject the call if this is not configured
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if (!config || !config.door) {
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twiml.reject();
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callback(null, twiml);
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return;
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}
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// TODO: await on this?
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// let users know someone is currently buzzing, and allow unlock by discord user
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let msg = `🔔 Someone is dialing right now @ Door "${config.door}" [Click to unlock](${context.DOORMAN_URL}/api/door/auth?door=${config.door}&key=`;
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let discordNotifs = Promise.all(config.discordUsers.map((u) =>
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notifyDiscord(context, msg + u + ')', u)
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));
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// poll Doorman, to see if we should unlock
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const interval = setInterval(() => {
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fetch(context.DOORMAN_URL + `/api/door/status?door=${config.door}`)
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.then(async res => {
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if (res.status === 200) {
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clearInterval(interval);
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// put this before awaiting notify
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// so it would be appended above any dial Verb from fallback
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doorOpenTwiml(twiml, config);
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const body = await res.json();
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await notifyAllDiscord(context, config, `🔓 Doorman buzzed someone up @ Door "${config.door}"`, JSON.stringify(body.fingerprint));
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callback(null, twiml);
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}
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})
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.catch(err => console.log(err));
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}, 500);
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// redirect to call after 6s
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setTimeout(async () => {
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dialFallbackTwiml(twiml, config);
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await notifyAllDiscord(
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context,
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config,
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`📞 Somebody buzzed the door and it dialed through to fallback phone numbers @ Door "${config.door}"`
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);
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callback(null, twiml);
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}, 6000);
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};
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