Repository: yt-dlp
Issue: Generic site detection: support sites based on "sheeta"
Labels: site-request

### DO NOT REMOVE OR SKIP THE ISSUE TEMPLATE

- [X] I understand that I will be **blocked** if I *intentionally* remove or skip any mandatory\* field

### Checklist

- [X] I'm reporting a new site support request
- [X] I've verified that I have **updated yt-dlp to nightly or master** ([update instructions](https://github.com/yt-dlp/yt-dlp#update-channels))
- [X] I've checked that all provided URLs are playable in a browser with the same IP and same login details
- [X] I've checked that none of provided URLs [violate any copyrights](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#is-the-website-primarily-used-for-piracy) or contain any [DRM](https://en.wikipedia.org/wiki/Digital_rights_management) to the best of my knowledge
- [X] I've searched [known issues](https://github.com/yt-dlp/yt-dlp/issues/3766) and the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues **including closed ones**. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [ ] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and am willing to share it if required

### Region

any

### Example URLs

- SFW:
    - https://nicochannel.jp/kaorin/live/smXJX3jiG44LRyesiMiZd9No (#5686)
    - https://itomiku-fc.jp/live/sm4P8x6oVPFBx59bNBGSgKoE
    - https://hololive-fc.com/video/sm2jp9wKd8aQkwk526fwHpy6 (#4655)
    - https://tokinosora-fc.com/live/smaVve9bQ8hHPqMMLyWsWUnE (#4655)
    - https://ryogomatsumaru.com/live/smcRxcgyuoLdBzMqfWJfYUiC
    - https://sakuraknights.com/video/smiDoQLQaoFuEFzkvKD29LfT
    - https://salon-de-horizon.jp/video/smKHCVwsqNGqxia6HdXDH4Ea
    - https://ado-dokidokihimitsukichi-daigakuimo.com/live/smwmxAoFzfpxkhBh4K3FUm3h
    - https://toz-fc.com/video/smKrYLr72967Hvb9PJsiyX8S
    - https://01audee.jp/video/smkghSciGRDcMYbyJsuofFCD (for free until March 27th)
    - https://02audee.jp/video/smfnktDrBdmWybMyvdzW6TEo
    - https://03audee.jp/video/smjpjHBvXusHrCEuHj8EnkZK
    - https://04audee.jp/video/smwuorqTPg5guGbuTrKLLJiB
    - https://05audee.jp/video/sm7nuKRt7ayfjwTVqWi9hgR3
    - https://06audee.jp/video/smcHSkwQQkLsTk8fftqnZndb
    - https://07audee.jp/video/smXZRHd6EAxkCvHG59nHnHJ
    - https://08audee.jp/video/smHA2Cnsfg3exgV7RsM6ptUR
    - https://09audee.jp/audio/smdfE3d7R6CKsZ6zkSmvZGvQ
    - https://10audee.jp/audio/smy7oKigUXiGtRe6yeLv3VhZ (paywall)
    - https://11audee.jp/audio/smx3ebEZFRnHeaGzUzgi5A98
    - https://12audee.jp/audio/smQ72iXyLVM7WpqwAyxugZUg
    - https://qrpf1.com/ (under maintenance until April 1st)
    - https://qrpf2.com/ (ditto)
    - ...
    - https://qrpf12.com/ (ditto)
- NSFW:
    - https://rnqq.jp/live/smRbgANLpxH6VT9vf9Uv4EqQ
    - https://canan8181.com/live/smxar9atjfNBn27bHhcTFLyg


### Provide a description that is worded well enough to be understood

## Summary

Official website: [sheeta | ファンが集まる・成長する次世代のファンクラブシステム](https://sheeta-info.com/) (Japanese)

To find more sites: ["登録" "(C) DWANGO Co., Ltd." - Google Search](https://www.google.com/search?q=%22%E7%99%BB%E9%8C%B2%22+%22%28C%29+DWANGO+Co.%2C+Ltd.%22)

## Characteristics

Webpage:

```HTML
    <script type="module" crossorigin src="/assets/index-????????.js"></script>
    <link rel="stylesheet" href="/assets/index-????????.css">

```

JavaScript:

```JavaScript 
baseURL:"https://comm-api.sheeta.com"

const mUA="https://help.sheeta.com/hc/ja"
 
```

The CSS is nothing special from my point of view.

.


### Provide verbose output that clearly demonstrates the problem

- [X] Run **your** yt-dlp command with **-vU** flag added (`yt-dlp -vU <your command line>`)
- [ ] If using API, add `'verbose': True` to `YoutubeDL` params instead
- [X] Copy the WHOLE output (starting with `[debug] Command-line config`) and insert it below

### Complete Verbose Output

```shell
[debug] Command-line config: ['-vU', 'https://itomiku-fc.jp/live/sm4P8x6oVPFBx59bNBGSgKoE']
[debug] Encodings: locale cp936, fs utf-8, pref cp936, out utf-8, error utf-8, screen utf-8 
[debug] yt-dlp version stable@2024.03.10 from yt-dlp/yt-dlp [615a84447]
[debug] Lazy loading extractors is disabled
[debug] Python 3.12.1 (CPython AMD64 64bit) - Windows-11-10.0.22631-SP0 (OpenSSL 3.0.11 19 Sep 2023)
[debug] exe versions: ffmpeg n6.1.1-7-ga267d4ad4c-20240222 (setts), ffprobe n6.1.1-7-ga267d4ad4c-20240222 
[debug] Optional libraries: Cryptodome-3.20.0, brotli-1.1.0, certifi-2024.02.02, mutagen-1.47.0, requests-2.31.0, sqlite3-3.43.1, urllib3-2.2.1, websockets-12.0
[debug] Proxy map: {}
[debug] Request Handlers: urllib, requests, websockets
[debug] Loaded 1807 extractors 
[debug] Fetching release info: https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest
Latest version: stable@2024.03.10 from yt-dlp/yt-dlp 
yt-dlp is up to date (stable@2024.03.10 from yt-dlp/yt-dlp)
[generic] Extracting URL: https://itomiku-fc.jp/live/sm4P8x6oVPFBx59bNBGSgKoE 
[generic] sm4P8x6oVPFBx59bNBGSgKoE: Downloading webpage
ERROR: [generic] Unable to download webpage: HTTP Error 404: Not Found (caused by <HTTPError 404: Not Found>) 
  File ".../yt_dlp/extractor/common.py", line 732, in extract
    ie_result = self._real_extract(url)
                ^^^^^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/extractor/generic.py", line 2392, in _real_extract
    full_response = self._request_webpage(url, video_id, headers=filter_dict({
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/extractor/common.py", line 877, in _request_webpage
    raise ExtractorError(errmsg, cause=err)

  File ".../yt_dlp/extractor/common.py", line 864, in _request_webpage
    return self._downloader.urlopen(self._create_request(url_or_request, data, headers, query))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/YoutubeDL.py", line 4128, in urlopen
    return self._request_director.send(req)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/networking/common.py", line 115, in send
    response = handler.send(request)
               ^^^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/networking/_helper.py", line 204, in wrapper
    return func(self, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/networking/common.py", line 335, in send
    return self._send(request)
           ^^^^^^^^^^^^^^^^^^^
  File ".../yt_dlp/networking/_requests.py", line 350, in _send
    raise HTTPError(res, redirect_loop=max_redirects_exceeded)
yt_dlp.networking.exceptions.HTTPError: HTTP Error 404: Not Found
```