function onResponse(stream) {
// Clean up request.
ee.removeListener('requestError', onRequestError);
ee.removeListener('responseError', onResponseError);
delete self._req;
// Parse JSON with JStream.
var jstream = new JStream();
// Listen for other errorneous events.
function onError(err) {
self.reconnect('exponential');
if (self.id) {
err.streamid = self.id;
err.streamtype = self.type;
}
self.emit('error', err);
}
function onResponseEnd() {
self.reconnect('exponential');
self.emit('end');
}
function onResponseClose() {
self.reconnect('exponential');
self.emit('end');
}
// Keep track of the last time a `data` event occurred to make sure
// the stream does not time out.
function onStreamTimeout() {
self.reconnect('linear');
self.emit('timeout');
}
function onData(data) {
self._ondata(data);
clearTimeout(timeout);
timeout = setTimeout(onStreamTimeout, constants.STREAM_TIMEOUT);
}
var timeout = setTimeout(onStreamTimeout, constants.STREAM_TIMEOUT);
jstream.on('data', onData);
// Clean up everything after this stream is not used anymore.
self._cleanup = function cleanup() {
self.connected = false;
stream.removeListener('error', onError);
stream.removeListener('end', onResponseEnd);
stream.removeListener('close', onResponseClose);
stream.removeListener('data', onData);
stream.destroy();
jstream.removeListener('error', onError);
clearTimeout(timeout);
delete self._stream;
delete self._cleanup;
};
stream.on('end', onResponseEnd);
stream.on('close', onResponseClose);
stream.pipe(jstream);
stream.on('error', onError);
jstream.on('error', onError);
// Label as connected.
self._stream = stream;
self.connected = true;
self.emit('connect');
}
crequest(link, function(err, body) {
if (err) return callback(err);
var jsonStr = util.between(body, 'ytplayer.config = ', '</script>');
if (!jsonStr) {
return callback(new Error('could not find `ytplayer.config`'));
}
var jstream = new JStream();
var ended = false;
jstream.on('data', function(config) {
ended = true;
jstream.pause();
var newFormats = util.parseFormats(config.args);
var html5playerfile = 'http:' + config.assets.js;
crequest(html5playerfile, function(err, body) {
if (err) return callback(err);
var tokens = exports.extractActions(body);
if (!tokens || !tokens.length) {
if (debug) {
var splits = html5playerfile.split('/');
var name = splits[splits.length - 2].slice(12);
var filename = name + '.js';
var filepath = path.resolve(
__dirname, '../test/files/html5player/' + filename);
fs.writeFile(filepath, body);
var html5player = require('../test/html5player.json');
if (!html5player[name]) {
html5player[name] = [];
fs.writeFile(
path.resolve(__dirname, '../test/html5player.json'),
JSON.stringify(html5player, null, 2));
}
}
callback(
new Error('could not extract signature deciphering actions'));
return;
}
info.formats = info.formats.map(function(format) {
var newFormat = newFormats
.filter(function(f) { return f.itag === format.itag; })[0];
if (newFormat && newFormat.s) {
format = newFormat;
}
var sig = exports.decipher(tokens, format.s);
format.url = exports.getDownloadURL(format, sig, debug);
return format;
});
callback(null, info);
});
});
jstream.on('error', function(err) {
if (ended) { return; }
callback(
new Error('could not parse `ytplayer.config`: ' + err.message));
});
jstream.end(jsonStr);
});
crequest(requestOptions, function(err, body) {
if (err) return callback(err);
var jsonStr = util.between(body, 'ytplayer.config = ', '</script>');
if (!jsonStr) {
return callback(new Error('could not find `ytplayer.config`'));
}
var jstream = new JStream();
var ended = false;
jstream.on('data', function(config) {
ended = true;
jstream.pause();
var info = config.args;
if (info.status === 'fail') {
callback(new Error('Error ' + info.errorcode + ': ' + info.reason));
return;
}
// Split some keys by commas.
KEYS_TO_SPLIT.forEach(function(key) {
if (!info[key]) return;
info[key] = info[key]
.split(',')
.filter(function(v) { return v !== ''; });
});
info.fmt_list = info.fmt_list ?
info.fmt_list.map(function(format) {
return format.split('/');
}) : [];
if (info.video_verticals) {
info.video_verticals = info.video_verticals
.slice(1, -1)
.split(', ')
.filter(function(val) { return val !== ''; })
.map(function(val) { return parseInt(val, 10); })
;
}
info.formats = util.parseFormats(info);
var $ = cheerio.load(body);
info.description = $('#eow-description').text();
if (downloadURL) {
sig.get(info, config.assets.js, debug, callback);
} else {
callback(null, info);
}
});
jstream.on('error', function(err) {
if (ended) { return; }
callback(
new Error('could not parse `ytplayer.config`: ' + err.message));
});
jstream.end(jsonStr);
});