[go] Add CenturyLink support

[RuneMagle]

• I've verified and I assure that I'm running youtube-dl 2018.01.21
• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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PS C:\Users\rumag\Desktop\youtube-dl> py -3 -m youtube_dl --all-subs --ap-username USERNAME --ap-password PASSWORD --ap-mso DTV "http://watchdisneychannel.go.com/andi-mack/video/vdka4245399/02/102-andi-mack-cast-party
" -v
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--all-subs', '--ap-username', 'PRIVATE', '--ap-password', 'PRIVATE', '--ap-mso', 'DTV', 'http://watchdisneychannel.go.com/andi-mack/video/vdka4245399/02/102-andi-mack-cast-party', '-v']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2018.01.21
[debug] Python version 3.6.4 (CPython) - Windows-10-10.0.16299-SP0
[debug] exe versions: ffmpeg N-86911-gb664d1f, ffprobe N-86911-gb664d1f, rtmpdump 2.4
[debug] Proxy map: {}
[Go] vdka4245399: Downloading JSON metadata
[Go] VDKA4245399: Downloading Provider Redirect Page
[Go] VDKA4245399: Downloading Provider Login Page
[Go] VDKA4245399: Logging in
[Go] VDKA4245399: Confirming Login
[Go] VDKA4245399: Retrieving Session
ERROR: Unable to download webpage: HTTP Error 401: Unauthorized (caused by <HTTPError 401: 'Unauthorized'>); 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.
  File "C:\Users\rumag\Desktop\youtube-dl\youtube_dl\extractor\common.py", line 517, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "C:\Users\rumag\Desktop\youtube-dl\youtube_dl\YoutubeDL.py", line 2198, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "C:\Users\rumag\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 532, in open
    response = meth(req, response)
  File "C:\Users\rumag\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 642, in http_response
    'http', request, response, code, msg, hdrs)
  File "C:\Users\rumag\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 570, in error
    return self._call_chain(*args)
  File "C:\Users\rumag\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 504, in _call_chain
    result = func(*args)
  File "C:\Users\rumag\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 650, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
...
<end of log>

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• Single video: http://watchdisneychannel.go.com/andi-mack/video/vdka4245399/02/102-andi-mack-cast-party

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Description of issue

Is it possible to add CenturyLink? I tried with DTV since they have a partnership, but it's not working. CenturyLink is avaible on the website. And if you could make sure the one called "CenturyLink Prism" would work, it would be nice.

[bobbintb]

I tried adding the MSO to the adobepass.py file but I got a url parse error. I'm willing to test if someone thinks they have a fix.