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Download Youtube-Video in node.js
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| var http = require('http') | |
| var fs = require('fs') | |
| http.get("http://www.youtube.com/get_video_info?video_id=F_CvDj8pLo0", function(res) { | |
| //console.log("Got response: " + res.statusCode); | |
| var chunks = [] | |
| res.on('data', function(chunk){chunks.push(chunk) | |
| }).on('end', function(){ | |
| var data = Buffer.concat(chunks).toString() | |
| var videoInfo = parseVideoInfo(data) | |
| downloadVideo(videoInfo) | |
| }) | |
| }).on('error', function(e) { | |
| console.log("Got error: " + e.message) | |
| }); | |
| function parseVideoInfo(videoInfo) { | |
| var rxUrlMap = /url_encoded_fmt_stream_map=([\]\[!"#$%'()*+,.\/:;<=>?@\^_`{|}~-\w]*)/ | |
| urlmap = unescape(videoInfo.match(rxUrlMap)[1]) | |
| //console.log(urlmap); | |
| var rxUrlG = /url=([\]\[!"#$%'()*+,.\/:;<=>?@\^_`{|}~-\w]*)/g | |
| var rxUrl = /url=([\]\[!"#$%'()*+,.\/:;<=>?@\^_`{|}~-\w]*)/ | |
| urls = urlmap.match(rxUrlG) | |
| urls = map(urls, function(s) {return s.match(rxUrl)[1]} ) | |
| urls = map(urls, unescape) | |
| //console.log(urls[0]) | |
| return { title:"test", urls: urls } | |
| } | |
| function downloadVideo(videoInfo) { | |
| var url = videoInfo.urls[0]; | |
| var filename = videoInfo.title + ".flv" | |
| http.get(url, | |
| function(res) { | |
| var stream = fs.createWriteStream(filename) | |
| res.pipe(stream) | |
| }) | |
| console.log("Downloading to "+filename); | |
| } | |
| function map (a,f) { | |
| for(i=0;i<a.length;i++){ | |
| a[i]= f(a[i]) | |
| } | |
| return a | |
| } |
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