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index.js
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index.js
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// --- BEGIN CONSTANTS --- //
// This is a port to listen.
// WARNING: check your spotify api app redirect url. Port has to match.
var port = 3001;
// Theese are client id and client secret of your spotify api application.
// Get them on https://developer.spotify.com/
var clientId = "";
var clientSecret = "";
// Needed to access VK music API, get it here: https://vkhost.github.io/
// WARNING: You have to use only token, which is suitable for audio API.
// I, personally, have tested it on VK Admin, should also work fine with Kate.
var vkAccessToken = "";
// --- END CONSTANTS --- //
var express = require('express');
const request = require('request');
var app = express();
var SpotifyWebApi = require('spotify-web-api-node');
var scopes = ['user-read-playback-state'];
var playingInfo = new Object();
playingInfo.spotify = "not authenticated";
playingInfo.vk = "not authenticated";
var spotifyApi = new SpotifyWebApi({
clientId: clientId,
clientSecret: clientSecret,
redirectUri: `http://localhost:${port}/callback`, // Change this if you want to deploy ;)
});
app.get('/raw', (req, res) => {
res.send(JSON.stringify(playingInfo));
});
app.get('/', (req, res) => {
if (playingInfo.spotify == "not authenticated")
res.redirect('/login');
else
res.redirect('/raw');
})
app.get('/login', (req, res) => {
var url = spotifyApi.createAuthorizeURL(scopes);
res.redirect(url + "&show_dialog=true");
})
app.get('/callback', async (req, res) => {
const { code } = req.query;
try {
var data = await spotifyApi.authorizationCodeGrant(code)
const { access_token, refresh_token } = data.body;
spotifyApi.setAccessToken(access_token);
spotifyApi.setRefreshToken(refresh_token);
setInterval(() => {
spotifyApi.getMyCurrentPlaybackState({})
.then(function (data) {
if (data.body.is_playing) {
playingInfo.spotify = `${data.body.item.artists[0].name} - ${data.body.item.name}`;
vkPlay(playingInfo.spotify);
}
else {
playingInfo.spotify = "not playing";
}
}, function (err) {
console.log('Something went wrong!');
});
}, 10000);
spotifyApi.getMyCurrentPlaybackState({})
.then(function (data) {
if (data.body.is_playing) {
playingInfo.spotify = `${data.body.item.artists[0].name} - ${data.body.item.name}`;
vkPlay(playingInfo.spotify);
}
else {
playingInfo.spotify = "not playing";
}
res.redirect(`/`);
}, function (err) {
console.log('Something went wrong!');
});
} catch (err) {
}
});
app.listen(port, () => {
console.log(`App listening on port ${port}`);
});
function vkPlay(song) {
request(`https://api.vk.com/method/audio.search?q=${escape(song)}&count=10&auto_complete=1&access_token=${vkAccessToken}&v=5.100`, { json: true }, (err, res, body) => {
if (err) { return console.log(err); }
if (body.error)
{
if (body.error.error_code == 14)
{
// TODO: Captcha
var sid = body.error.error_code.captcha_sid;
var img = body.error.error_code.captcha_img;
return;
}
}
if (body.response.count > 0)
{
playingInfo.vk = body.response.items[0];
request(`https://api.vk.com/method/audio.setBroadcast?audio=${body.response.items[0].owner_id}_${body.response.items[0].id}&audio_ids=${body.response.items[0].owner_id}_${body.response.items[0].id}&access_token=${vkAccessToken}&v=5.100`, {}, (err2, res2, body2) => {
if (err2) { return console.log(err2); }
});
}
else
playingInfo.vk = "not found";
});
}