[wistia] Restrict embed regex (closes #25969)
[youtube-dl] / youtube_dl / extractor / wistia.py
index 748443f811f184d4276d4628cd13ed1e2bf92d9c..77febd2eb1b1cada3942c212739725135a36682b 100644 (file)
@@ -3,63 +3,160 @@ from __future__ import unicode_literals
 import re
 
 from .common import InfoExtractor
-from ..utils import ExtractorError, compat_urllib_request
+from ..utils import (
+    ExtractorError,
+    int_or_none,
+    float_or_none,
+    unescapeHTML,
+)
 
 
 class WistiaIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:fast\.)?wistia\.net/embed/iframe/(?P<id>[a-z0-9]+)'
-    _API_URL = 'http://fast.wistia.com/embed/medias/{0:}.json'
+    _VALID_URL = r'(?:wistia:|https?://(?:fast\.)?wistia\.(?:net|com)/embed/(?:iframe|medias)/)(?P<id>[a-z0-9]{10})'
+    _EMBED_BASE_URL = 'http://fast.wistia.com/embed/'
 
-    _TEST = {
+    _TESTS = [{
         'url': 'http://fast.wistia.net/embed/iframe/sh7fpupwlt',
         'md5': 'cafeb56ec0c53c18c97405eecb3133df',
         'info_dict': {
             'id': 'sh7fpupwlt',
             'ext': 'mov',
             'title': 'Being Resourceful',
+            'description': 'a Clients From Hell Video Series video from worldwidewebhosting',
+            'upload_date': '20131204',
+            'timestamp': 1386185018,
             'duration': 117,
         },
-    }
+    }, {
+        'url': 'wistia:sh7fpupwlt',
+        'only_matching': True,
+    }, {
+        # with hls video
+        'url': 'wistia:807fafadvk',
+        'only_matching': True,
+    }, {
+        'url': 'http://fast.wistia.com/embed/iframe/sh7fpupwlt',
+        'only_matching': True,
+    }, {
+        'url': 'http://fast.wistia.net/embed/medias/sh7fpupwlt.json',
+        'only_matching': True,
+    }]
+
+    # https://wistia.com/support/embed-and-share/video-on-your-website
+    @staticmethod
+    def _extract_url(webpage):
+        urls = WistiaIE._extract_urls(webpage)
+        return urls[0] if urls else None
+
+    @staticmethod
+    def _extract_urls(webpage):
+        urls = []
+        for match in re.finditer(
+                r'<(?:meta[^>]+?content|(?:iframe|script)[^>]+?src)=["\'](?P<url>(?:https?:)?//(?:fast\.)?wistia\.(?:net|com)/embed/(?:iframe|medias)/[a-z0-9]{10})', webpage):
+            urls.append(unescapeHTML(match.group('url')))
+        for match in re.finditer(
+                r'''(?sx)
+                    <div[^>]+class=(["'])(?:(?!\1).)*?\bwistia_async_(?P<id>[a-z0-9]{10})\b(?:(?!\1).)*?\1
+                ''', webpage):
+            urls.append('wistia:%s' % match.group('id'))
+        for match in re.finditer(r'(?:data-wistia-?id=["\']|Wistia\.embed\(["\']|id=["\']wistia_)(?P<id>[a-z0-9]{10})', webpage):
+            urls.append('wistia:%s' % match.group('id'))
+        return urls
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
+        video_id = self._match_id(url)
+
+        data_json = self._download_json(
+            self._EMBED_BASE_URL + 'medias/%s.json' % video_id, video_id,
+            # Some videos require this.
+            headers={
+                'Referer': url if url.startswith('http') else self._EMBED_BASE_URL + 'iframe/' + video_id,
+            })
 
-        request = compat_urllib_request.Request(self._API_URL.format(video_id))
-        request.add_header('Referer', url)  # Some videos require this.
-        data_json = self._download_json(request, video_id)
         if data_json.get('error'):
-            raise ExtractorError('Error while getting the playlist',
-                                 expected=True)
+            raise ExtractorError(
+                'Error while getting the playlist', expected=True)
+
         data = data_json['media']
+        title = data['name']
 
         formats = []
         thumbnails = []
-        for atype, a in data['assets'].items():
-            if atype == 'still':
-                thumbnails.append({
-                    'url': a['url'],
-                    'resolution': '%dx%d' % (a['width'], a['height']),
-                })
+        for a in data['assets']:
+            aurl = a.get('url')
+            if not aurl:
                 continue
-            if atype == 'preview':
+            astatus = a.get('status')
+            atype = a.get('type')
+            if (astatus is not None and astatus != 2) or atype in ('preview', 'storyboard'):
                 continue
-            formats.append({
-                'format_id': atype,
-                'url': a['url'],
-                'width': a['width'],
-                'height': a['height'],
-                'filesize': a['size'],
-                'ext': a['ext'],
-                'preference': 1 if atype == 'original' else None,
-            })
+            elif atype in ('still', 'still_image'):
+                thumbnails.append({
+                    'url': aurl,
+                    'width': int_or_none(a.get('width')),
+                    'height': int_or_none(a.get('height')),
+                    'filesize': int_or_none(a.get('size')),
+                })
+            else:
+                aext = a.get('ext')
+                display_name = a.get('display_name')
+                format_id = atype
+                if atype and atype.endswith('_video') and display_name:
+                    format_id = '%s-%s' % (atype[:-6], display_name)
+                f = {
+                    'format_id': format_id,
+                    'url': aurl,
+                    'tbr': int_or_none(a.get('bitrate')) or None,
+                    'preference': 1 if atype == 'original' else None,
+                }
+                if display_name == 'Audio':
+                    f.update({
+                        'vcodec': 'none',
+                    })
+                else:
+                    f.update({
+                        'width': int_or_none(a.get('width')),
+                        'height': int_or_none(a.get('height')),
+                        'vcodec': a.get('codec'),
+                    })
+                if a.get('container') == 'm3u8' or aext == 'm3u8':
+                    ts_f = f.copy()
+                    ts_f.update({
+                        'ext': 'ts',
+                        'format_id': f['format_id'].replace('hls-', 'ts-'),
+                        'url': f['url'].replace('.bin', '.ts'),
+                    })
+                    formats.append(ts_f)
+                    f.update({
+                        'ext': 'mp4',
+                        'protocol': 'm3u8_native',
+                    })
+                else:
+                    f.update({
+                        'container': a.get('container'),
+                        'ext': aext,
+                        'filesize': int_or_none(a.get('size')),
+                    })
+                formats.append(f)
 
         self._sort_formats(formats)
 
+        subtitles = {}
+        for caption in data.get('captions', []):
+            language = caption.get('language')
+            if not language:
+                continue
+            subtitles[language] = [{
+                'url': self._EMBED_BASE_URL + 'captions/' + video_id + '.vtt?language=' + language,
+            }]
+
         return {
             'id': video_id,
-            'title': data['name'],
+            'title': title,
+            'description': data.get('seoDescription'),
             'formats': formats,
             'thumbnails': thumbnails,
-            'duration': data.get('duration'),
+            'duration': float_or_none(data.get('duration')),
+            'timestamp': int_or_none(data.get('createdAt')),
+            'subtitles': subtitles,
         }