Repository: yt-dlp/yt-dlp
File: yt_dlp/extractor/tiktok.py (Python)

Code before:
            'referer': '',
            'region': 'US',
            'screen_height': '1080',
            'screen_width': '1920',
            'secUid': sec_uid,
            'type': '1',  # pagination type: 0 == oldest-to-newest, 1 == newest-to-oldest
            'tz_name': 'UTC',
            'verifyFp': 'verify_%s' % ''.join(random.choices(string.hexdigits, k=7)),
            'webcast_language': 'en',
        }

    def _entries(self, sec_uid, user_name):
        cursor = int(time.time() * 1E3)
        for page in itertools.count(1):
            response = self._download_json(
                self._API_BASE_URL, user_name or sec_uid, f'Downloading page {page}',
                query=self._build_web_query(sec_uid, cursor), headers={'User-Agent': self._USER_AGENT})

            for video in traverse_obj(response, ('itemList', lambda _, v: v['id'])):
                video_id = video['id']
                webpage_url = self._create_url(user_name, video_id)
                info = try_call(
                    lambda: self._parse_aweme_video_web(video, webpage_url, video_id)) or {'id': video_id}
                info.pop('formats', None)
                yield self.url_result(webpage_url, TikTokIE, **info)

            old_cursor = cursor
            cursor = traverse_obj(
                response, ('itemList', -1, 'createTime', {lambda x: x * 1E3}, {int_or_none}))
            if not cursor:
                cursor = old_cursor - 604800000  # jump 1 week back in time
            if cursor < 1472706000000 or not traverse_obj(response, 'hasMorePrevious'):
                break

    def _get_sec_uid(self, user_url, user_name, msg):
        webpage = self._download_webpage(
            user_url, user_name, fatal=False, headers={'User-Agent': 'Mozilla/5.0'},
            note=f'Downloading {msg} webpage', errnote=f'Unable to download {msg} webpage') or ''
        return traverse_obj(
            self._get_universal_data(webpage, user_name),
            ('webapp.user-detail', 'userInfo', 'user', 'secUid', {str})) or traverse_obj(
            self._get_sigi_state(webpage, user_name),
            ('LiveRoom', 'liveRoomUserInfo', 'user', 'secUid'),
            ('UserModule', 'users', ..., 'secUid'),
            get_all=False, expected_type=str)

    def _real_extract(self, url):
        user_name, sec_uid = None, None
        if url.startswith('tiktokuser:'):
            sec_uid = self._match_id(url)
        else:

Review comment (suggestion):
As I said on discord, this isn't necessary to get `tiktokuser:` working, but I leave it to your discretion

Code after:

        if self._KNOWN_APP_INFO:
            try:
                return self._extract_aweme_app(video_id)
            except ExtractorError as e:
                e.expected = True
                self.report_warning(f'{e}; trying with webpage')

        url = self._create_url(user_id, video_id)
        video_data, status = self._extract_web_data_and_status(url, video_id)

        if video_data and status == 0:
            return self._parse_aweme_video_web(video_data, url, video_id)
        elif status == 10216:
            raise ExtractorError('This video is private', expected=True)
        raise ExtractorError(f'Video not available, status code {status}', video_id=video_id)


class TikTokUserIE(TikTokBaseIE):
    IE_NAME = 'tiktok:user'
    _VALID_URL = r'(?:tiktokuser:|https?://(?:www\.)?tiktok\.com/@)(?P<id>[\w.-]+)/?(?:$|[#?])'
    _TESTS = [{
        'url': 'https://tiktok.com/@corgibobaa?lang=en',
        'playlist_mincount': 45,
        'info_dict': {
            'id': 'MS4wLjABAAAAepiJKgwWhulvCpSuUVsp7sgVVsFJbbNaLeQ6OQ0oAJERGDUIXhb2yxxHZedsItgT',
            'title': 'corgibobaa',
        },
    }, {
        'url': 'https://www.tiktok.com/@6820838815978423302',
        'playlist_mincount': 5,
        'info_dict': {
            'id': 'MS4wLjABAAAA0tF1nBwQVVMyrGu3CqttkNgM68Do1OXUFuCY0CRQk8fEtSVDj89HqoqvbSTmUP2W',
            'title': '6820838815978423302',
        },
    }, {
        'url': 'https://www.tiktok.com/@meme',
        'playlist_mincount': 593,
        'info_dict': {
            'id': 'MS4wLjABAAAAiKfaDWeCsT3IHwY77zqWGtVRIy9v4ws1HbVi7auP1Vx7dJysU_hc5yRiGywojRD6',
            'title': 'meme',
        },
    }, {
        'url': 'tiktokuser:MS4wLjABAAAAM3R2BtjzVT-uAtstkl2iugMzC6AtnpkojJbjiOdDDrdsTiTR75-8lyWJCY5VvDrZ',
        'playlist_mincount': 31,
        'info_dict': {
            'id': 'MS4wLjABAAAAM3R2BtjzVT-uAtstkl2iugMzC6AtnpkojJbjiOdDDrdsTiTR75-8lyWJCY5VvDrZ',
        },
    }]
    _USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:115.0) Gecko/20100101 Firefox/115.0'
    _API_BASE_URL = 'https://www.tiktok.com/api/creator/item_list/'