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[brightcove] Validate ambiguous embeds' URLs (closes #9163, closes #12005, closes #12178, closes #12480)

This commit is contained in:
Sergey M․ 2017-04-15 20:30:51 +07:00
parent 40158f55c9
commit 0254f93b08
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2 changed files with 33 additions and 24 deletions
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55
youtube_dl/extractor/brightcove.py
View File

@ -489,7 +489,7 @@ class BrightcoveNewIE(InfoExtractor):
return urls[0] if urls else None
@staticmethod
def _extract_urls(webpage):
def _extract_urls(ie, webpage):
# Reference:
# 1. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/publish-video.html#setvideoiniframe
# 2. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/publish-video.html#tag
@ -506,37 +506,46 @@ class BrightcoveNewIE(InfoExtractor):
# Look for <video> tags [2] and embed_in_page embeds [3]
# [2] looks like:
# <video data-video-id="5320421710001" data-account="245991542" data-player="SJWAiyYWg" data-embed="default" class="video-js" controls itemscope itemtype="http://schema.org/VideoObject">
for video, script_tag, account_id, player_id, embed in re.findall(
r'''(?isx)
(<video[^>]+>)
(?:.*?
(<script[^>]+
src=["\'](?:https?:)?//players\.brightcove\.net/
(\d+)/([^/]+)_([^/]+)/index(?:\.min)?\.js
)
)?
''', webpage
):
r'''(?isx)
(<video\s+[^>]+>)
(?:.*?
(<script[^>]+
src=["\'](?:https?:)?//players\.brightcove\.net/
(\d+)/([^/]+)_([^/]+)/index(?:\.min)?\.js
)
)?
''', webpage):
attrs = extract_attributes(video)
# According to examples from [4] it's unclear whether video id
# may be optional and what to do when it is
video_id = attrs.get('data-video-id')
# See PR#12099/bostonglobe.py for 'data-brightcove-video-id' variant
if not video_id:
continue
account_id = account_id or attrs.get('data-account')
if not account_id:
account_id = attrs.get('data-account')
if not player_id:
player_id = attrs.get('data-player')
if not embed:
embed = attrs.get('data-embed')
continue
if video_id and account_id and player_id and embed:
entries.append(
'http://players.brightcove.net/%s/%s_%s/index.html?videoId=%s'
% (account_id, player_id, embed, video_id))
player_id = player_id or attrs.get('data-player') or 'default'
embed = embed or attrs.get('data-embed') or 'default'
bc_url = 'http://players.brightcove.net/%s/%s_%s/index.html?videoId=%s' % (
account_id, player_id, embed, video_id)
# Some brightcove videos may be embedded with video tag only and
# without script tag or any mentioning of brightcove at all. Such
# embeds are considered ambiguous since they are matched based only
# on data-video-id and data-account attributes and in the wild may
# not be brightcove embeds at all. Let's check reconstructed
# brightcove URLs in case of such embeds and only process valid
# ones. By this we ensure there is indeed a brightcove embed.
if not script_tag and not ie._is_valid_url(
bc_url, video_id, 'possible brightcove video'):
continue
entries.append(bc_url)
return entries

2
youtube_dl/extractor/generic.py
View File

@ -1967,7 +1967,7 @@ class GenericIE(InfoExtractor):
}
# Look for Brightcove New Studio embeds
bc_urls = BrightcoveNewIE._extract_urls(webpage)
bc_urls = BrightcoveNewIE._extract_urls(self, webpage)
if bc_urls:
return self.playlist_from_matches(bc_urls, video_id, video_title, ie='BrightcoveNew')