[FIXED] android youtube download url 403 forbidden

Issue

there are some videos that can't download.

I got download url by using this

http://www.youtube.com/get_video_info?video_id=itGNQbJwRSk

Is there anyone why below url is not available to download?

total url:

http://r1---sn-a5m7lnek.googlevideo.com/videoplayback?expire=1391267516&ms=au&source=youtube&sver=3&upn=OzZzFV_-2o4&id=8ad18d41b2704529&itag=22&mt=1391243224&ipbits=0&ratebypass=yes&fexp=935622%2C914924%2C926515%2C916623%2C936910%2C936913&sparams=gcr%2Cid%2Cip%2Cipbits%2Citag%2Cratebypass%2Csource%2Cupn%2Cexpire&mv=m&ip=183.101.166.55&key=yt5&gcr=kr&signature=F303D0C863C27A6A46124A09E40F308BB67181E013.3FA3E17460DDF6ECA004D9E48B1356849534EBFFFF

separated url with each params:

http://r1---sn-a5m7lnek.googlevideo.com/videoplayback?

expire=1391267516&

ms=au&

source=youtube&

sver=3&

upn=OzZzFV_-2o4&

id=8ad18d41b2704529&

itag=22&

mt=1391243224&

ipbits=0&

ratebypass=yes&

fexp=935622%2C914924%2C926515%2C916623%2C936910%2C936913&

sparams=gcr%2Cid%2Cip%2Cipbits%2Citag%2Cratebypass%2Csource%2Cupn%2Cexpire&

mv=m&

ip=183.101.166.55&

key=yt5&

gcr=kr&

signature=F303D0C863C27A6A46124A09E40F308BB67181E013.3FA3E17460DDF6ECA004D9E48B1356849534EBFFFF

and I used below codes in open stream

    u = new URL(url);
    HttpURLConnection huc = (HttpURLConnection)u.openConnection();//to know the size of video
    huc.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.102 Safari/537.36");
    huc.setRequestProperty("Accept","*/*");
    huc.setRequestMethod("GET");
    huc.setDoOutput(false);
    int size = huc.getContentLength();      
    int status = huc.getResponseCode();
    Log.e("download", status+ huc.getResponseMessage());
    is = new BufferedInputStream(huc.getInputStream());

but it returns status = 403, size = -1. I couldn't find anything to help yet.

Is there anyone have a idea?

Solution

This video is using cipher signatrue as you can see in the info returned by http://www.youtube.com/get_video_info?video_id=itGNQbJwRSk has

'use_cipher_signature=True'

To download this type of video, first you have to decode it's signature. Decoding algorithm is present in the player file (HTML5player or Flash player)

After decoding you have to use the same IP address to download the video from where you have fetched all the information. (You can bypass same IP restriction using Proxy)

Its better to use the scrape the webpage of that particular video and search for ;ytplayer.config = {(.*?)}; . This contains all the required infomation.

If you don't want to scrape then you can use below method to get the JSON object

https://www.youtube.com/watch?v=<Video-ID>&spf=prefetch

Please check this API for easy solution: CipherAPI

Another cool API: YTstream API

Answered By - Akhilesh
Answer Checked By - Timothy Miller (JavaFixing Admin)