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[youtubedl] / youtube_dl / extractor / brightcove.py
1 # encoding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import json
6 import xml.etree.ElementTree
7
8 from .common import InfoExtractor
9 from ..utils import (
10 compat_urllib_parse,
11 find_xpath_attr,
12 fix_xml_ampersands,
13 compat_urlparse,
14 compat_str,
15 compat_urllib_request,
16 compat_parse_qs,
17
18 determine_ext,
19 ExtractorError,
20 unsmuggle_url,
21 unescapeHTML,
22 )
23
24
25 class BrightcoveIE(InfoExtractor):
26 _VALID_URL = r'https?://.*brightcove\.com/(services|viewer).*\?(?P<query>.*)'
27 _FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s'
28
29 _TESTS = [
30 {
31 # From http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/
32 'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1654948606001&flashID=myExperience&%40videoPlayer=2371591881001',
33 'md5': '5423e113865d26e40624dce2e4b45d95',
34 'note': 'Test Brightcove downloads and detection in GenericIE',
35 'info_dict': {
36 'id': '2371591881001',
37 'ext': 'mp4',
38 'title': 'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
39 'uploader': '8TV',
40 'description': 'md5:a950cc4285c43e44d763d036710cd9cd',
41 }
42 },
43 {
44 # From http://medianetwork.oracle.com/video/player/1785452137001
45 'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1217746023001&flashID=myPlayer&%40videoPlayer=1785452137001',
46 'info_dict': {
47 'id': '1785452137001',
48 'ext': 'flv',
49 'title': 'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges',
50 'description': 'John Rose speaks at the JVM Language Summit, August 1, 2012.',
51 'uploader': 'Oracle',
52 },
53 },
54 {
55 # From http://mashable.com/2013/10/26/thermoelectric-bracelet-lets-you-control-your-body-temperature/
56 'url': 'http://c.brightcove.com/services/viewer/federated_f9?&playerID=1265504713001&publisherID=AQ%7E%7E%2CAAABBzUwv1E%7E%2CxP-xFHVUstiMFlNYfvF4G9yFnNaqCw_9&videoID=2750934548001',
57 'info_dict': {
58 'id': '2750934548001',
59 'ext': 'mp4',
60 'title': 'This Bracelet Acts as a Personal Thermostat',
61 'description': 'md5:547b78c64f4112766ccf4e151c20b6a0',
62 'uploader': 'Mashable',
63 },
64 },
65 {
66 # test that the default referer works
67 # from http://national.ballet.ca/interact/video/Lost_in_Motion_II/
68 'url': 'http://link.brightcove.com/services/player/bcpid756015033001?bckey=AQ~~,AAAApYJi_Ck~,GxhXCegT1Dp39ilhXuxMJxasUhVNZiil&bctid=2878862109001',
69 'info_dict': {
70 'id': '2878862109001',
71 'ext': 'mp4',
72 'title': 'Lost in Motion II',
73 'description': 'md5:363109c02998fee92ec02211bd8000df',
74 'uploader': 'National Ballet of Canada',
75 },
76 },
77 {
78 # test flv videos served by akamaihd.net
79 # From http://www.redbull.com/en/bike/stories/1331655643987/replay-uci-dh-world-cup-2014-from-fort-william
80 'url': 'http://c.brightcove.com/services/viewer/htmlFederated?%40videoPlayer=ref%3ABC2996102916001&linkBaseURL=http%3A%2F%2Fwww.redbull.com%2Fen%2Fbike%2Fvideos%2F1331655630249%2Freplay-uci-fort-william-2014-dh&playerKey=AQ%7E%7E%2CAAAApYJ7UqE%7E%2Cxqr_zXk0I-zzNndy8NlHogrCb5QdyZRf&playerID=1398061561001#__youtubedl_smuggle=%7B%22Referer%22%3A+%22http%3A%2F%2Fwww.redbull.com%2Fen%2Fbike%2Fstories%2F1331655643987%2Freplay-uci-dh-world-cup-2014-from-fort-william%22%7D',
81 # The md5 checksum changes on each download
82 'info_dict': {
83 'id': '2996102916001',
84 'ext': 'flv',
85 'title': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
86 'uploader': 'Red Bull TV',
87 'description': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
88 },
89 },
90 ]
91
92 @classmethod
93 def _build_brighcove_url(cls, object_str):
94 """
95 Build a Brightcove url from a xml string containing
96 <object class="BrightcoveExperience">{params}</object>
97 """
98
99 # Fix up some stupid HTML, see https://github.com/rg3/youtube-dl/issues/1553
100 object_str = re.sub(r'(<param name="[^"]+" value="[^"]+")>',
101 lambda m: m.group(1) + '/>', object_str)
102 # Fix up some stupid XML, see https://github.com/rg3/youtube-dl/issues/1608
103 object_str = object_str.replace('<--', '<!--')
104 object_str = fix_xml_ampersands(object_str)
105
106 object_doc = xml.etree.ElementTree.fromstring(object_str.encode('utf-8'))
107
108 fv_el = find_xpath_attr(object_doc, './param', 'name', 'flashVars')
109 if fv_el is not None:
110 flashvars = dict(
111 (k, v[0])
112 for k, v in compat_parse_qs(fv_el.attrib['value']).items())
113 else:
114 flashvars = {}
115
116 def find_param(name):
117 if name in flashvars:
118 return flashvars[name]
119 node = find_xpath_attr(object_doc, './param', 'name', name)
120 if node is not None:
121 return node.attrib['value']
122 return None
123
124 params = {}
125
126 playerID = find_param('playerID')
127 if playerID is None:
128 raise ExtractorError('Cannot find player ID')
129 params['playerID'] = playerID
130
131 playerKey = find_param('playerKey')
132 # Not all pages define this value
133 if playerKey is not None:
134 params['playerKey'] = playerKey
135 # The three fields hold the id of the video
136 videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID')
137 if videoPlayer is not None:
138 params['@videoPlayer'] = videoPlayer
139 linkBase = find_param('linkBaseURL')
140 if linkBase is not None:
141 params['linkBaseURL'] = linkBase
142 data = compat_urllib_parse.urlencode(params)
143 return cls._FEDERATED_URL_TEMPLATE % data
144
145 @classmethod
146 def _extract_brightcove_url(cls, webpage):
147 """Try to extract the brightcove url from the webpage, returns None
148 if it can't be found
149 """
150 urls = cls._extract_brightcove_urls(webpage)
151 return urls[0] if urls else None
152
153 @classmethod
154 def _extract_brightcove_urls(cls, webpage):
155 """Return a list of all Brightcove URLs from the webpage """
156
157 url_m = re.search(r'<meta\s+property="og:video"\s+content="(http://c.brightcove.com/[^"]+)"', webpage)
158 if url_m:
159 url = unescapeHTML(url_m.group(1))
160 # Some sites don't add it, we can't download with this url, for example:
161 # http://www.ktvu.com/videos/news/raw-video-caltrain-releases-video-of-man-almost/vCTZdY/
162 if 'playerKey' in url:
163 return [url]
164
165 matches = re.findall(
166 r'''(?sx)<object
167 (?:
168 [^>]+?class=[\'"][^>]*?BrightcoveExperience.*?[\'"] |
169 [^>]*?>\s*<param\s+name="movie"\s+value="https?://[^/]*brightcove\.com/
170 ).+?</object>''',
171 webpage)
172 return [cls._build_brighcove_url(m) for m in matches]
173
174 def _real_extract(self, url):
175 url, smuggled_data = unsmuggle_url(url, {})
176
177 # Change the 'videoId' and others field to '@videoPlayer'
178 url = re.sub(r'(?<=[?&])(videoI(d|D)|bctid)', '%40videoPlayer', url)
179 # Change bckey (used by bcove.me urls) to playerKey
180 url = re.sub(r'(?<=[?&])bckey', 'playerKey', url)
181 mobj = re.match(self._VALID_URL, url)
182 query_str = mobj.group('query')
183 query = compat_urlparse.parse_qs(query_str)
184
185 videoPlayer = query.get('@videoPlayer')
186 if videoPlayer:
187 # We set the original url as the default 'Referer' header
188 referer = smuggled_data.get('Referer', url)
189 return self._get_video_info(
190 videoPlayer[0], query_str, query, referer=referer)
191 else:
192 player_key = query['playerKey']
193 return self._get_playlist_info(player_key[0])
194
195 def _get_video_info(self, video_id, query_str, query, referer=None):
196 request_url = self._FEDERATED_URL_TEMPLATE % query_str
197 req = compat_urllib_request.Request(request_url)
198 linkBase = query.get('linkBaseURL')
199 if linkBase is not None:
200 referer = linkBase[0]
201 if referer is not None:
202 req.add_header('Referer', referer)
203 webpage = self._download_webpage(req, video_id)
204
205 self.report_extraction(video_id)
206 info = self._search_regex(r'var experienceJSON = ({.*});', webpage, 'json')
207 info = json.loads(info)['data']
208 video_info = info['programmedContent']['videoPlayer']['mediaDTO']
209 video_info['_youtubedl_adServerURL'] = info.get('adServerURL')
210
211 return self._extract_video_info(video_info)
212
213 def _get_playlist_info(self, player_key):
214 info_url = 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=%s' % player_key
215 playlist_info = self._download_webpage(
216 info_url, player_key, 'Downloading playlist information')
217
218 json_data = json.loads(playlist_info)
219 if 'videoList' not in json_data:
220 raise ExtractorError('Empty playlist')
221 playlist_info = json_data['videoList']
222 videos = [self._extract_video_info(video_info) for video_info in playlist_info['mediaCollectionDTO']['videoDTOs']]
223
224 return self.playlist_result(videos, playlist_id=playlist_info['id'],
225 playlist_title=playlist_info['mediaCollectionDTO']['displayName'])
226
227 def _extract_video_info(self, video_info):
228 info = {
229 'id': compat_str(video_info['id']),
230 'title': video_info['displayName'].strip(),
231 'description': video_info.get('shortDescription'),
232 'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'),
233 'uploader': video_info.get('publisherName'),
234 }
235
236 renditions = video_info.get('renditions')
237 if renditions:
238 formats = []
239 for rend in renditions:
240 url = rend['defaultURL']
241 if rend['remote']:
242 # This type of renditions are served through akamaihd.net,
243 # but they don't use f4m manifests
244 url = url.replace('control/', '') + '?&v=3.3.0&fp=13&r=FEEFJ&g=RTSJIMBMPFPB'
245 ext = 'flv'
246 else:
247 ext = determine_ext(url)
248 size = rend.get('size')
249 formats.append({
250 'url': url,
251 'ext': ext,
252 'height': rend.get('frameHeight'),
253 'width': rend.get('frameWidth'),
254 'filesize': size if size != 0 else None,
255 })
256 self._sort_formats(formats)
257 info['formats'] = formats
258 elif video_info.get('FLVFullLengthURL') is not None:
259 info.update({
260 'url': video_info['FLVFullLengthURL'],
261 })
262
263 if self._downloader.params.get('include_ads', False):
264 adServerURL = video_info.get('_youtubedl_adServerURL')
265 if adServerURL:
266 ad_info = {
267 '_type': 'url',
268 'url': adServerURL,
269 }
270 if 'url' in info:
271 return {
272 '_type': 'playlist',
273 'title': info['title'],
274 'entries': [ad_info, info],
275 }
276 else:
277 return ad_info
278
279 if 'url' not in info and not info.get('formats'):
280 raise ExtractorError('Unable to extract video url for %s' % info['id'])
281 return info