[drtuber] Change in video config location

[einstein95]

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$ youtube-dl http://www.drtuber.com/video/3327619/stepbros-decided-to-double-team-amber --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['http://www.drtuber.com/video/3327619/stepbros-decided-to-double-team-amber', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.02.10
[debug] Python version 3.6.0 - Linux-4.8.13-1-ARCH-x86_64-with-arch
[debug] exe versions: ffmpeg N-83248-gb4a13d442a, ffprobe N-83248-gb4a13d442a, rtmpdump 2.4
[debug] Proxy map: {}
[DrTuber] stepbros-decided-to-double-team-amber: Downloading webpage
ERROR: Unable to extract video URL; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/youtube_dl/YoutubeDL.py", line 696, in extract_info
    ie_result = ie.extract(url)
  File "/usr/lib/python3.6/site-packages/youtube_dl/extractor/common.py", line 369, in extract
    return self._real_extract(url)
  File "/usr/lib/python3.6/site-packages/youtube_dl/extractor/drtuber.py", line 48, in _real_extract
    r'<source src="([^"]+)"', webpage, 'video URL')
  File "/usr/lib/python3.6/site-packages/youtube_dl/extractor/common.py", line 681, in _html_search_regex
    res = self._search_regex(pattern, string, name, default, fatal, flags, group)
  File "/usr/lib/python3.6/site-packages/youtube_dl/extractor/common.py", line 672, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract video URL; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

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Description of your issue, suggested solution and other information

DrTuber has changed the location of the URL of the video file, this is now located in an XML file called by the Javascript on the page. An example from the page mentioned in the verbose output above:

    var configPath = 'http://www.drtuber.com/play' + 'er_';
    var configScript = 'con' + 'fig/';
    var params = '';
    params += 'h=dbf201bd5b31cee8481208bf67703e39';

                
    params += '%26check_speed=1';

     params += '%26t=1486712882';    
    params += '%26vkey=' + 'a04beba0880607bc5f14';
    s1.addVariable('config', configPath + configScript + '?' + params);

This gives the config URL http://www.drtuber.com/player_config/?h=dbf201bd5b31cee8481208bf67703e39&check_speed=1&t=1486712882&vkey=a04beba0880607bc5f14&pkey=d83cb8b52a8e964061e14dc49f0ea8bf&aid=&domain_id=
As you can see, a couple more parameters are added.

[parmjitv]

Hello einstein95,

I have taken a look at this issue. A couple of questions:

1. In the query string of your sample URL, you reference the [pkey, aid, domain_id] variables - where do these values come from? I do not see these vars referenced anywhere in the source markup for the video pages as of June.07/17.

2. Have you been able to extract any actual XML/JSON data from the new 'player_config' URL target?

For example:

http://www.drtuber.com/player_config/?h=5c2eb95c869faa6bd07d11add4c8ca5f&check_speed=1&t=1496879484&vkey=c72db3ddf36e9dbb3171

Hitting this URL from either a standard browser or the command line results in the error message 'Invalid video key!' from the DrTuber site. This appears to be the case no matter what value is used for 'vkey', which I assume is the aforementioned video key. The video itself does play on the site without any problems.

Cheers,

Parmjit V.

[einstein95]

Yes, this has since changed and is no longer relevant. An easier way of getting the video URL is using the config URL http://www.drtuber.com/player_config_json/?vid={video_id}&embed=0&aid=0&domain_id=0 and getting the files section, which gives you two URLs: lq and hq. These correspond with video_file and hq_video_file, respectively.

[parmjitv]

OK! Much appreciated.

Parmjit

[parmjitv]

I have tossed up a PR with a fix for this issue - hopefully it will pass review and be included with the next build. Cheers!

Parmjit