1 files changed, 138 insertions, 0 deletions
diff --git a/yt_dlp/extractor/shared.py b/yt_dlp/extractor/shared.py
new file mode 100644
index 0000000..9a237b3
--- /dev/null
+++ b/yt_dlp/extractor/shared.py
@@ -0,0 +1,138 @@
+import urllib.parse
+
+from .common import InfoExtractor
+from ..compat import compat_b64decode
+from ..utils import (
+    KNOWN_EXTENSIONS,
+    ExtractorError,
+    determine_ext,
+    int_or_none,
+    js_to_json,
+    parse_filesize,
+    rot47,
+    url_or_none,
+    urlencode_postdata,
+)
+
+
+class SharedBaseIE(InfoExtractor):
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        webpage, urlh = self._download_webpage_handle(url, video_id)
+
+        if self._FILE_NOT_FOUND in webpage:
+            raise ExtractorError(
+                'Video %s does not exist' % video_id, expected=True)
+
+        video_url = self._extract_video_url(webpage, video_id, url)
+
+        title = self._extract_title(webpage)
+        filesize = int_or_none(self._extract_filesize(webpage))
+
+        return {
+            'id': video_id,
+            'url': video_url,
+            'ext': 'mp4',
+            'filesize': filesize,
+            'title': title,
+        }
+
+    def _extract_title(self, webpage):
+        return compat_b64decode(self._html_search_meta(
+            'full:title', webpage, 'title')).decode('utf-8')
+
+    def _extract_filesize(self, webpage):
+        return self._html_search_meta(
+            'full:size', webpage, 'file size', fatal=False)
+
+
+class SharedIE(SharedBaseIE):
+    IE_DESC = 'shared.sx'
+    _VALID_URL = r'https?://shared\.sx/(?P<id>[\da-z]{10})'
+    _FILE_NOT_FOUND = '>File does not exist<'
+
+    _TEST = {
+        'url': 'http://shared.sx/0060718775',
+        'md5': '106fefed92a8a2adb8c98e6a0652f49b',
+        'info_dict': {
+            'id': '0060718775',
+            'ext': 'mp4',
+            'title': 'Bmp4',
+            'filesize': 1720110,
+        },
+    }
+
+    def _extract_video_url(self, webpage, video_id, url):
+        download_form = self._hidden_inputs(webpage)
+
+        video_page = self._download_webpage(
+            url, video_id, 'Downloading video page',
+            data=urlencode_postdata(download_form),
+            headers={
+                'Content-Type': 'application/x-www-form-urlencoded',
+                'Referer': url,
+            })
+
+        video_url = self._html_search_regex(
+            r'data-url=(["\'])(?P<url>(?:(?!\1).)+)\1',
+            video_page, 'video URL', group='url')
+
+        return video_url
+
+
+class VivoIE(SharedBaseIE):
+    IE_DESC = 'vivo.sx'
+    _VALID_URL = r'https?://vivo\.s[xt]/(?P<id>[\da-z]{10})'
+    _FILE_NOT_FOUND = '>The file you have requested does not exists or has been removed'
+
+    _TESTS = [{
+        'url': 'http://vivo.sx/d7ddda0e78',
+        'md5': '15b3af41be0b4fe01f4df075c2678b2c',
+        'info_dict': {
+            'id': 'd7ddda0e78',
+            'ext': 'mp4',
+            'title': 'Chicken',
+            'filesize': 515659,
+        },
+    }, {
+        'url': 'http://vivo.st/d7ddda0e78',
+        'only_matching': True,
+    }]
+
+    def _extract_title(self, webpage):
+        title = self._html_search_regex(
+            r'data-name\s*=\s*(["\'])(?P<title>(?:(?!\1).)+)\1', webpage,
+            'title', default=None, group='title')
+        if title:
+            ext = determine_ext(title)
+            if ext.lower() in KNOWN_EXTENSIONS:
+                title = title.rpartition('.' + ext)[0]
+            return title
+        return self._og_search_title(webpage)
+
+    def _extract_filesize(self, webpage):
+        return parse_filesize(self._search_regex(
+            r'data-type=["\']video["\'][^>]*>Watch.*?<strong>\s*\((.+?)\)',
+            webpage, 'filesize', fatal=False))
+
+    def _extract_video_url(self, webpage, video_id, url):
+        def decode_url_old(encoded_url):
+            return compat_b64decode(encoded_url).decode('utf-8')
+
+        stream_url = self._search_regex(
+            r'data-stream\s*=\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
+            'stream url', default=None, group='url')
+        if stream_url:
+            stream_url = url_or_none(decode_url_old(stream_url))
+        if stream_url:
+            return stream_url
+
+        def decode_url(encoded_url):
+            return rot47(urllib.parse.unquote_plus(encoded_url))
+
+        return decode_url(self._parse_json(
+            self._search_regex(
+                r'(?s)InitializeStream\s*\(\s*({.+?})\s*\)\s*;', webpage,
+                'stream'),
+            video_id, transform_source=js_to_json)['source'])