[vier] Support new authentication

[xplorr]

Please follow the guide below

• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like that [x])
• Use Preview tab to see how your issue will actually look like

---

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2017.07.02. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2017.07.02

Before submitting an issue make sure you have:

• At least skimmed through README and most notably 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

---

---

Description of your issue, suggested solution and other information

site Vier.be worked before. But since website changed, it's not supported anymore, even when supplying userid and password.

---

F:\Temp>youtube-dl -v https://www.vier.be/video/achter-de-rug/2017/achter-de-rug-seizoen-1-aflevering-6
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://www.vier.be/video/achter-de-rug/2017/achter-de-rug-seizoen-1-aflevering-6']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2017.07.02
[debug] Python version 3.4.4 - Windows-10-10.0.14393
[debug] exe versions: ffmpeg N-77704-g68eb208, ffprobe 2.2.3
[debug] Proxy map: {}
[generic] achter-de-rug-seizoen-1-aflevering-6: Requesting header
WARNING: Falling back on generic information extractor.
[generic] achter-de-rug-seizoen-1-aflevering-6: Downloading webpage
[generic] achter-de-rug-seizoen-1-aflevering-6: Extracting information
ERROR: Unsupported URL: https://www.vier.be/video/achter-de-rug/2017/achter-de-rug-seizoen-1-aflevering-6
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpcnuqbtg0\build\youtube_dl\YoutubeDL.py", line 762, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpcnuqbtg0\build\youtube_dl\extractor\common.py", line 433, in extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpcnuqbtg0\build\youtube_dl\extractor\generic.py", line 2824, in _real_extract
youtube_dl.utils.UnsupportedError: Unsupported URL: https://www.vier.be/video/achter-de-rug/2017/achter-de-rug-seizoen-1-aflevering-6

[Ruud-cb]

I am still not able to download from vier.be
Not sure if it is due authentication or geo-restrict. Url I try to download:
https://www.vier.be/video/de-slimste-mens-ter-wereld/de-slimste-mens-ter-wereld-seizoen-15/de-slimste-mens-ter-wereld-seizoen-15-aflevering-4

When using username and password.
PS C:\Users\Ruud\Dropbox\Ruud\Installers> .\youtube-dl.exe --username r.faessen@hotmail.com --p
assword qAeMdz24Scxw24% https://www.vier.be/video/de-slimste-mens-ter-wereld/de-slimste-mens-te
r-wereld-seizoen-15/de-slimste-mens-ter-wereld-seizoen-15-aflevering-4 --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--username', 'PRIVATE', '--password', 'PRIVATE', 'https://www.vier.be/video/de-slimste-mens-ter-wereld/de-slimste-mens-ter-wereld-seizoen-15/de-slimste-mens-ter-wereld-seizoen-15-aflevering-4', '--verbose']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2017.10.29
[debug] Python version 3.4.4 - Windows-10-10.0.15063
[debug] exe versions: none
[debug] Proxy map: {}
[vier] Logging in
ERROR: Unable to log in: HTTP Error 403: Forbidden (caused by HTTPError()); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpk63cqkyt\build\youtube_dl\extractor\common.py", line 503, in _request_webpage
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpk63cqkyt\build\youtube_dl\YoutubeDL.py", line 2195, in urlopen
File "C:\Python\Python34\lib\urllib\request.py", line 470, in open
File "C:\Python\Python34\lib\urllib\request.py", line 580, in http_response
File "C:\Python\Python34\lib\urllib\request.py", line 508, in error
File "C:\Python\Python34\lib\urllib\request.py", line 442, in _call_chain
File "C:\Python\Python34\lib\urllib\request.py", line 588, in http_error_default

Read in some others that authentication is bypassed, so tried without:

PS C:\Users\Ruud\Dropbox\Ruud\Installers> .\youtube-dl.exe --geo-bypass-country BE https://www.
vier.be/video/de-slimste-mens-ter-wereld/de-slimste-mens-ter-wereld-seizoen-15/de-slimste-mens-
ter-wereld-seizoen-15-aflevering-4 --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--geo-bypass-country', 'BE', 'https://www.vier.be/video/de-slimste-mens-ter-wereld/de-slimste-mens-ter-wereld-seizoen-15/de-slimste-mens-ter-wereld-seizoen-15-aflevering-4', '--verbose']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2017.10.29
[debug] Python version 3.4.4 - Windows-10-10.0.15063
[debug] exe versions: none
[debug] Proxy map: {}
[debug] Using fake IP 57.143.117.198 (BE) as X-Forwarded-For.
[vier] de-slimste-mens-ter-wereld-seizoen-15-aflevering-4: Downloading webpage
ERROR: Unable to extract filename; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpk63cqkyt\build\youtube_dl\YoutubeDL.py", line 784, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpk63cqkyt\build\youtube_dl\extractor\common.py", line 434, in extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpk63cqkyt\build\youtube_dl\extractor\vier.py", line 170, in _real_extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpk63cqkyt\build\youtube_dl\extractor\common.py", line 797, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract filename; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Any help?

[brechtm]

@wernerkarlheisenberg implemented this in #15412