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922 lines (801 loc) · 31.3 KB
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require('dotenv').config()
const async = require('async')
const express = require('express')
const axios = require('axios')
const qs = require('querystring')
const crypto = require('crypto')
const fs = require('fs')
const formidable = require('express-formidable')
const MongoClient = require('mongodb').MongoClient
const CLIENT_ID_SLACK = process.env.SONGIFY_CLIENT_ID_SLACK
const CLIENT_SECRET_SLACK = process.env.SONGIFY_CLIENT_SECRET_SLACK
const REDIRECT_URI_SLACK = process.env.SONGIFY_REDIRECT_URI_SLACK
const SIGNING_SECRET_SLACK = process.env.SONGIFY_SIGNING_SECRET_SLACK
const CLIENT_ID_SPOTIFY = process.env.SONGIFY_CLIENT_ID_SPOTIFY
const CLIENT_SECRET_SPOTIFY = process.env.SONGIFY_CLIENT_SECRET_SPOTIFY
const REDIRECT_URI_SPOTIFY = process.env.SONGIFY_REDIRECT_URI_SPOTIFY
const MONGO_PASSWORD = process.env.SONGIFY_MONGO_PASSWORD
const MONGO_USER = process.env.SONGIFY_MONGO_USER
const MONGO_URL = process.env.SONGIFY_MONGO_URL
const MONGO_DATABASE = process.env.SONGIFY_MONGO_DATABASE
const SONGIFY_COMMAND = process.env.SONGIFY_COMMAND
const SONGIFY_PORT = process.env.SONGIFY_PORT
console.log(`
Current Env Vars used for Songify.io
CLIENT_ID_SLACK: ${CLIENT_ID_SLACK}
CLIENT_SECRET_SLACK: ${CLIENT_SECRET_SLACK}
REDIRECT_URI_SLACK: ${REDIRECT_URI_SLACK}
SIGNING_SECRET_SLACK: ${SIGNING_SECRET_SLACK}
CLIENT_ID_SPOTIFY: ${CLIENT_ID_SPOTIFY}
CLIENT_SECRET_SPOTIFY: ${CLIENT_SECRET_SPOTIFY}
REDIRECT_URI_SPOTIFY: ${REDIRECT_URI_SPOTIFY}
MONGO_PASSWORD: ${MONGO_PASSWORD}
MONGO_USER: ${MONGO_USER}
MONGO_DATABASE: ${MONGO_DATABASE}
MONGO_URL: ${MONGO_URL}
SONGIFY_COMMAND: ${SONGIFY_COMMAND}
SONGIFY_PORT: ${SONGIFY_PORT}
`)
const url = `mongodb://${MONGO_USER}:${MONGO_PASSWORD}@${MONGO_URL}:20717/${MONGO_DATABASE}`
MongoClient.connect(url, {
useNewUrlParser: true,
useUnifiedTopology: true,
ssl: true,
authSource: 'admin',
sslValidate: false
}).then(async client => {
let newUser
let songifyUsers = []
const User = client.db(MONGO_DATABASE).collection('users')
const Genre = client.db(MONGO_DATABASE).collection('genres')
const Log = client.db(MONGO_DATABASE).collection('logs')
const createLogEntry = (action, service, message, user_id, isError) => {
const createdAt = new Date()
Log.insertOne({action, service, createdAt, message, user: user_id, error: isError})
}
const app = express()
app.use(formidable())
const fixedEncodeURIComponent = str => {
return str.replace(/[!'()*~]/g, function (c) {
return '%' + c.charCodeAt(0).toString(16).toUpperCase()
})
}
const verifySlackRequest = (req) => {
const xSlackRequestTimeStamp = req.get('X-Slack-Request-Timestamp')
const slackSignature = req.get('X-Slack-Signature')
const bodyPayload = fixedEncodeURIComponent(qs.stringify(req.fields).replace(/%20/g, '+')) // Fix for #1
if (!(xSlackRequestTimeStamp && slackSignature && bodyPayload)) {
return false
}
const baseString = `v0:${xSlackRequestTimeStamp}:${bodyPayload}`
const hash = 'v0=' + crypto.createHmac('sha256', SIGNING_SECRET_SLACK)
.update(baseString)
.digest('hex')
return (slackSignature === hash)
}
const refreshSpotifyToken = (user, next) => {
createLogEntry('refresh_token', 'spotify', null, user._id, false)
const opts = {
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
}
const body = {
grant_type: 'refresh_token',
refresh_token: user.spotify_refresh,
client_id: CLIENT_ID_SPOTIFY,
client_secret: CLIENT_SECRET_SPOTIFY
}
axios.post('https://accounts.spotify.com/api/token', qs.stringify(body), opts)
.then(body => body.data)
.then(body => {
user.spotify_token = body.access_token
createLogEntry('refresh_token_success', 'spotify', null, user._id, false)
User.updateOne({user_id: user.user_id}, {$set: {...user}})
.then(() => getCurrentSpotifyTrack(user, next))
}).catch(err => {
createLogEntry('refresh_token_failed', 'spotify', err.response.data, user._id, true)
if (err.response.status === 400 && err.response.data && err.response.data.error === 'invalid_grant') {
User.findOneAndDelete({user_id: user.user_id}).then(() => {
createLogEntry('token_revoked', 'spotify', 'user_deleted', user._id, true)
})
} else {
return next()
}
})
}
const setUserStatus = (user, next) => {
createLogEntry('set_user_status', 'slack', null, user._id, false)
const opts = {
headers: {
'Authorization': `Bearer ${user.slack_token}`
}
}
axios.post('https://slack.com/api/users.profile.set', {
profile: {
status_text: user.status.length > 100 ? user.status.substring(0, 97) + '...' : user.status,
status_emoji: user.genre ? user.genre : user.status.length > 0 ? ':notes:' : null,
status_expiration: 0
}
}, opts)
.then(() => {
createLogEntry('set_user_status_success', 'slack', null, user._id, false)
if (next && typeof next === 'function') next()
return User.updateOne({user_id: user.user_id}, {$set: {...user}})
})
.catch(err => {
console.log(err)
createLogEntry('set_user_status_failed', 'slack', err.response.data, user._id, true)
if (next && typeof next === 'function') return next()
})
}
const getCurrentGenres = (user, artists) => {
createLogEntry('get_current_genres', 'spotify', null, user._id, false)
const opts = {
headers: {
'Authorization': `Bearer ${user.spotify_token}`
}
}
return axios.get(`https://api.spotify.com/v1/artists/${artists[0].id}`, opts)
.then(body => body.data.genres)
.then(genres => {
return new Promise((resolve, reject) => {
Genre.findOne({genre: { $in : genres }, team_id: user.team_id})
.then(genre => {
createLogEntry('get_current_genres_success', 'spotify', genres, user._id, false)
if (genre) {
return resolve(genre.emoji)
} else {
return resolve(undefined)
}
}).catch(err => {
createLogEntry('get_current_genres_failure', 'spotify', err.response.data, user._id, true)
console.log(err)
return resolve(undefined)
})
})
})
}
const getCurrentSpotifyTrack = (user, next) => {
createLogEntry('get_current_track', 'spotify', null, user._id, false)
const opts = {
headers: {
'Authorization': `Bearer ${user.spotify_token}`
}
}
axios.get('https://api.spotify.com/v1/me/player/currently-playing', opts)
.then(body => body.data)
.then(async (body) => {
createLogEntry('get_current_track_success', 'spotify', body, user._id, false)
if (body.item && body.item.artists) {
const artists = body.item.artists.map(artist => artist.name)
const track = `${artists.join(',')} - ${body.item.name}`
if (track !== user.status || body.is_playing !== user.paused) {
user.paused = body.is_playing
user.status = track
user.genre = body.is_playing === true ? await getCurrentGenres(user, body.item.artists) : ':double_vertical_bar:'
setUserStatus(user, next)
}
} else if (user.status !== '' && user.status !== user.original_status) {
user.genre = user.original_emoji
user.status = user.original_status
setUserStatus(user, next)
}
}).catch(err => {
createLogEntry('get_current_track_failure', 'spotify', err.response.data, user._id, true)
if (err.response.status !== 429 && user.spotify_refresh) {
return refreshSpotifyToken(user, next)
} else {
console.log(err.message, 'retry-after', err.response.headers['retry-after'])
setTimeout(() => {
return next()
}, parseInt(err.response.headers['retry-after'], 10) * 1000)
}
})
}
const registerTrackListener = () => {
User.find({}).toArray().then(users => {
songifyUsers = users
async.forEachOf(songifyUsers, (user, i, next) => {
if (user.pause_songify !== true) {
setTimeout(() => {
console.log('Registering listener for user')
songifyUsers[i].registered = true
getCurrentSpotifyTrack(user, next)
}, 3000)
} else {
next()
}
}, () => registerTrackListener())
})
}
registerTrackListener()
app.get('/', (req, res) => res.sendFile(__dirname + '/index.html'))
app.get('/privacy', (req, res) => res.sendFile(__dirname + '/privacy.html'))
app.get('/legal', (req, res) => res.redirect('https://meetrico.de/imprint'))
app.get('/connect', (req, res) => {
createLogEntry('new_connection', 'songify', null, null, false)
return res.redirect(`https://slack.com/oauth/v2/authorize?client_id=${CLIENT_ID_SLACK}&scope=commands&user_scope=users.profile:write,users.profile:read&redirect_uri=${REDIRECT_URI_SLACK}`)
})
app.get('/slack/redirect', (req, res) => {
createLogEntry('new_connection', 'slack', null, null, false)
const opts = {
url: `https://slack.com/api/oauth.v2.access?code=${req.query.code}&client_id=${CLIENT_ID_SLACK}&client_secret=${CLIENT_SECRET_SLACK}&redirect_uri=${REDIRECT_URI_SLACK}`,
method: 'GET',
responseType: 'json'
}
axios(opts)
.then(body => body.data)
.then(body => {
createLogEntry('new_connection_success', 'slack', null, null, false)
newUser = {
slack_token: body.authed_user.access_token,
spotify_token: null,
spotify_refresh: null,
status: null,
user_id: body.authed_user.id,
team_id: body.team.id
}
return res.redirect(`https://accounts.spotify.com/authorize?response_type=code&client_id=${CLIENT_ID_SPOTIFY}&scope=user-read-currently-playing user-modify-playback-state&redirect_uri=${REDIRECT_URI_SPOTIFY}`)
}).catch(err => {
createLogEntry('new_connection_failure', 'slack', err.response.data, null, true)
res.status(500).json(err)
})
})
app.get('/spotify/redirect', (req, res) => {
createLogEntry('new_connection', 'spotify', null, null, false)
const opts = {
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
}
const body = {
grant_type: 'authorization_code',
code: req.query.code,
redirect_uri: REDIRECT_URI_SPOTIFY,
client_id: CLIENT_ID_SPOTIFY,
client_secret: CLIENT_SECRET_SPOTIFY
}
axios.post('https://accounts.spotify.com/api/token', qs.stringify(body), opts)
.then(body => body.data)
.then(body => {
createLogEntry('new_connection_success', 'spotify', null, null, false)
newUser.spotify_token = body.access_token
newUser.spotify_refresh = body.refresh_token
axios.get('https://slack.com/api/users.profile.get', {
headers: {
'Authorization': `Bearer ${newUser.slack_token}`
}
})
.then(body => body.data)
.then(body => {
let found = false
newUser.original_emoji = body.profile.status_emoji
newUser.original_status = body.profile.status_text
User.updateOne({user_id: newUser.user_id}, {$set: {...newUser}}, {upsert: true}).then(() => {
return res.sendFile(__dirname + '/success.html')
})
})
}).catch(err => {
createLogEntry('new_connection_failure', 'spotify', err.response.data, null, true)
console.log(err)
res.status(500).json(err)
})
})
const addSongToQueue = async (req, res) => {
let slack_user = req.fields.user_id
const u_id = req.fields.text.replace(/<@(\w+)\|.+>/g, '$1')
const sluser = await User.findOne({user_id: slack_user})
createLogEntry('add_song_to_queue', 'spotify', null, sluser._id, false)
if (sluser) {
slack_user = sluser
const spuser = await User.findOne({user_id: u_id})
if (spuser) {
const spotify_user = spuser
const opts = {
headers: {
'Authorization': `Bearer ${spotify_user.spotify_token}`
}
}
axios.get('https://api.spotify.com/v1/me/player/currently-playing', opts)
.then(body => body.data)
.then(body => {
if (body.item.uri) {
axios({
method: 'POST',
url: `https://api.spotify.com/v1/me/player/queue?uri=${body.item.uri}`,
headers: {
'Authorization': `Bearer ${slack_user.spotify_token}`
}
}).then(song => {
const artists = body.item.artists.map(artist => artist.name)
createLogEntry('add_song_to_queue_success', 'spotify', null, sluser._id, false)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song was added to your Spotify queue :+1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `${artists.join(',')} - ${body.item.name}`
}
}
]
})
}).catch(err => {
console.log(err.response.data)
createLogEntry('add_song_to_queue_failure', 'spotify', err.response.data, sluser._id, true)
if (err.response.data.error.status === 401) {
createLogEntry('refresh_token', 'spotify', null, slack_user._id, false)
const opts = {
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
}
const body = {
grant_type: 'refresh_token',
refresh_token: slack_user.spotify_refresh,
client_id: CLIENT_ID_SPOTIFY,
client_secret: CLIENT_SECRET_SPOTIFY
}
axios.post('https://accounts.spotify.com/api/token', qs.stringify(body), opts)
.then(body => body.data)
.then(body => {
slack_user.spotify_token = body.access_token
slack_user.spotify_refresh = body.refresh_token
createLogEntry('refresh_token_success', 'spotify', null, slack_user._id, false)
User.updateOne({user_id: slack_user.user_id}, {$set: {...slack_user}}, {upsert: true}).then(() => {
addSongToQueue(req, res)
}).catch(err => {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song could not be added to your Spotify queue. :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `Seems like there is an error with Spotify...`
}
}
]
})
})
}).catch(err => {
console.log(err)
createLogEntry('add_song_to_queue_failure', 'spotify', err.response.data, sluser._id, true)
if (err.response.status === 400 && err.response.data && err.response.data.error === 'invalid_grant') {
User.findOneAndDelete({user_id: user.user_id}).then(() => {
createLogEntry('token_revoked', 'spotify', 'user_deleted', user._id, true)
})
}
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song could not be added to your Spotify queue. :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `Seems like there is an error with Spotify...`
}
}
]
})
})
} else {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song could not be added to your Spotify queue. :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `Seems like there is an error with Spotify...`
}
}
]
})
}
})
}
}).catch(err => {
console.log(err.response)
createLogEntry('add_song_to_queue_failure', 'spotify', err.response.data, sluser._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song could not be added to your Spotify queue. :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `Seems like there is an error with Spotify...`
}
}
]
})
})
} else {
const userName = req.fields.text.replace(/<@\w+\|(.+)>/gi)
createLogEntry('add_song_to_queue_failure', 'songify', 'no songify user found to add song', sluser._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song could not be added to your Spotify queue. :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `If ${userName} doesn't use Songify.io, you have to get him hooked up! Or he/she is not listening to music right now!?`
}
}
]
})
}
} else {
createLogEntry('add_song_to_queue_failure', 'songify', 'no songify user found to add song', sluser._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Song could not be added to your Spotify queue. :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `I could not find a Slack user with this name...`
}
}
]
})
}
}
const setEmojiForGenre = async (req, res) => {
let slack_user = req.fields.user_id
const team_id = req.fields.team_id
const user = await User.findOne({user_id: slack_user})
createLogEntry('set_genre_emoji', 'songify', null, user._id, false)
if (user) {
const opts = {
headers: {
'Authorization': `Bearer ${user.spotify_token}`
}
}
axios.get('https://api.spotify.com/v1/me/player/currently-playing', opts)
.then(body => body.data)
.then(async (body) => {
if (body.item && body.item.artists) {
return axios.get(`https://api.spotify.com/v1/artists/${body.item.artists[0].id}`, opts)
.then(body => body.data.genres)
.then(async spotifyGenres => {
const genres = await Genre.find({team_id, genre: {$in: spotifyGenres}}, {genre: 1, _id: 0}).toArray()
const checkGenres = genres.map(g => g.genre)
const newGenres = spotifyGenres.filter(g => checkGenres.indexOf(g) === -1)
if (!spotifyGenres || spotifyGenres.length === 0) {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*Sorry, but there is no genre listed on Spotify for that song... :-1:*`
}
}
]
})
}
if (!newGenres || newGenres.length === 0) {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*There is already an emoji for these genres... :-1:*`
}
}
]
})
}
const data = newGenres.map(g => {
return {
team_id,
genre: g,
emoji: req.fields.text.match(/:\w+:/g)[0]
}
})
Genre.insertMany(data).then(doc => {
user.genre = data[0].emoji
setUserStatus(user)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*Hurray, for the genres "${newGenres.join(', ')}" we will use the ${data[0].emoji} emoji! :+1:*`
}
}
]
})
})
.catch(err => {
console.log(err.response)
createLogEntry('set_genre_emoji_failure', 'songify', err.message, user._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*Something went wrong... :-1:*`
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `${err.message}`
}
}
]
})
})
}).catch(err => {
createLogEntry('set_genre_emoji_failure', 'spotify', err.response.data, user._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*Something went wrong... :-1:*`
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `${err.message}`
}
}
]
})
})
.catch(err => {
console.log(err.response)
createLogEntry('set_genre_emoji_failure', 'spotify', err.response.data, user._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*Something went wrong... :-1:*`
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `${err.message}`
}
}
]
})
})
}
})
}
}
app.post('/command', async (req, res) => {
if (!verifySlackRequest(req)) return res.sendStatus(403)
if (req.fields.ssl_check === '1') return res.sendStatus(200)
const user = await User.findOne({user_id: req.fields.user_id})
createLogEntry('received_command', 'slack', {command: req.fields.command, text: req.fields.text} , user._id, false)
if (req.fields.command && req.fields.command === SONGIFY_COMMAND) {
if (req.fields.text.indexOf('emote') === 0 || req.fields.text.indexOf('emoji') === 0) {
if (req.fields.text.match(/:.+:/g) !== null) {
return setEmojiForGenre(req, res)
} else {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Sorry, but if you want to add an emoji for a genre, you should send me one... :-1:*"
}
}
]
})
}
} else if (req.fields.text.indexOf('status') === 0) {
const status = req.fields.text.replace(/status(\s:.+:)?\s(\w+)/, '$2')
const emote = req.fields.text.match(/:.+:/g)
const overwrite = {}
if (status) overwrite.original_status = status
if (emote) overwrite.original_emoji = emote[0]
User.updateOne({user_id: req.fields.user_id}, {$set: overwrite }).then(user => {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": `*Your status when songify is not running is now set to: ${emote[0]} ${status}*`
}
}
]
})
}).catch(err => {
createLogEntry('received_command_failure', 'slack', err.message , user._id, true)
return res.status(500).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Sorry, something went wrong... Please try it again."
}
}
]
})
})
} else if (req.fields.text === 'pause') {
User.updateOne({user_id: req.fields.user_id}, {$set: {pause_songify: true}}).then(user => {
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Songify.io is paused! You can start Songify.io again with /songify resume. :sob:*"
}
}
]
})
}).catch(err => {
createLogEntry('received_command_failure', 'slack', err.message , user._id, true)
return res.status(500).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Sorry, something went wrong... Please try it again."
}
}
]
})
})
} else if (req.fields.text === 'unpause' || req.fields.text === 'resume' ) {
User.updateOne({user_id: req.fields.user_id}, {$set: {pause_songify: false}}).then(user => {
return res.status(200).json({
"blocks": [{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Songify.io is running again! :kissing_heart:*"
}
}]
})
}).catch(err => {
createLogEntry('received_command_failure', 'slack', err.message , user._id, true)
return res.status(500).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Sorry, something went wrong... Please try it again."
}
}
]
})
})
} else if (req.fields.text.match(/<@(\w+)\|.+>/g) !== null) {
return addSongToQueue(req, res)
} else {
createLogEntry('received_command_failure', 'slack', 'unknown_command' , user._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Sorry, but I don't understand this command... :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "Visit https://songify.io to see a full list of commands."
}
}
]
})
}
} else {
createLogEntry('received_command_failure', 'slack', 'unknown_command' , user._id, true)
return res.status(200).json({
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*Sorry, but I don't understand this command... :-1:*"
}
},
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "Visit https://songify.io to see a full list of commands."
}
}
]
})
}
})
app.post('/events', (req, res) => {
if (!verifySlackRequest(req)) return res.sendStatus(403)
if (req.fields.event && req.fields.event.type === 'tokens_revoked') {
const users = User.find({slack_token: { $in: req.fields.event.tokens.oauth }}).toArray()
users.forEach(user => {
createLogEntry('token_revoke', 'slack', null , user._id, false)
User.findOneAndDelete({user_id: user.user_id}).then(() => {
console.log('Benutzer gelöscht.')
createLogEntry('token_revoke_success', 'slack', null , user._id, false)
}).catch(err => {
createLogEntry('token_revoke_failure', 'slack', err.message , user._id, true)
})
})
return res.sendStatus(201)
} else if (req.fields.type === 'url_verification') {
return res.status(200).send(req.fields.challenge)
}
return res.sendStatus(200)
})
app.listen(SONGIFY_PORT, () => console.log(`Songify.io running on port ${SONGIFY_PORT}, you said it should run on...`))
}).catch(err => {
console.log('MONGO ERROR:', err)
})