sync/get-info.js

84 lines
2.3 KiB
JavaScript

/**
* Copyright 2013 Calvin 'calzoneman' Montgomery
*
* Licensed under Creative Commons Attribution-NonCommercial 3.0
* See http://creativecommons.org/licenses/by-nc/3.0/
*
*/
var http = require('http');
// Helper function for making an HTTP request and getting the result
// as JSON
function getJSON(options, callback) {
var req = http.request(options, function(res){
var buffer = '';
res.setEncoding('utf8');
res.on('data', function (chunk) {
buffer += chunk;
});
res.on('end', function() {
try {
var data = JSON.parse(buffer);
}
catch(e) {
console.log("JSON fail: " + options);
return;
}
callback(res.statusCode, data);
});
});
req.end();
};
// Look up YouTube metadata
// Fairly straightforward
exports.getYTInfo = function(id, callback) {
getJSON({
host: "gdata.youtube.com",
port: 80,
path: "/feeds/api/videos/" + id + "?v=2&alt=json",
method: "GET",
dataType: "jsonp",
timeout: 1000}, callback);
}
// Look up Soundcloud metadata
// Whoever designed this should rethink it. I'll submit a feedback
// form on their website.
exports.getSCInfo = function(url, callback) {
const SC_CLIENT = '2e0c82ab5a020f3a7509318146128abd';
// SoundCloud is dumb
// I have to request the API URL for the given input URL
// Because the sound ID isn't in the URL
getJSON({
host: "api.soundcloud.com",
port: 80,
path: "/resolve.json?url="+url+"&client_id=" + SC_CLIENT,
method: "GET",
dataType: "jsonp",
timeout: 1000}, function(status, data) {
// This time we can ACTUALLY get the data we want
getJSON({
host: "api.soundcloud.com",
port: 80,
path: data.location,
method: "GET",
dataType: "jsonp",
timeout: 1000}, callback);
});
}
// Look up Vimeo metadata. Fairly straightforward
exports.getVIInfo = function(id, callback) {
getJSON({
host: "vimeo.com",
port: 80,
path: "/api/v2/video/" + id + ".json",
method: "GET",
dataType: "jsonp",
timeout: 1000}, callback);
}