1 from __future__ import unicode_literals
11 from .common import InfoExtractor
12 from ..compat import (
22 _x = lambda p: xpath_with_ns(p, {'smil': 'http://www.w3.org/2005/SMIL21/Language'})
25 class ThePlatformIE(InfoExtractor):
27 (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P<provider_id>[^/]+)/
28 (?P<config>(?:[^/\?]+/(?:swf|config)|onsite)/select/)?
29 |theplatform:)(?P<id>[^/\?&]+)'''
32 # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
33 'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
37 'title': 'Blackberry\'s big, bold Z30',
38 'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
43 'skip_download': True,
46 # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
47 'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
51 'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
52 'title': 'Tesla Model S: A second step towards a cleaner motoring future',
56 'skip_download': True,
61 def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
62 flags = '10' if include_qs else '00'
63 expiration_date = '%x' % (int(time.time()) + life)
66 return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
69 return binascii.a2b_hex(hex)
71 relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0]
72 clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path))
73 checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
74 sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
75 return '%s&sig=%s' % (url, sig)
77 def _real_extract(self, url):
78 url, smuggled_data = unsmuggle_url(url, {})
80 mobj = re.match(self._VALID_URL, url)
81 provider_id = mobj.group('provider_id')
82 video_id = mobj.group('id')
85 provider_id = 'dJ5BDC'
87 if smuggled_data.get('force_smil_url', False):
89 elif mobj.group('config'):
90 config_url = url + '&form=json'
91 config_url = config_url.replace('swf/', 'config/')
92 config_url = config_url.replace('onsite/', 'onsite/config/')
93 config = self._download_json(config_url, video_id, 'Downloading config')
94 smil_url = config['releaseUrl'] + '&format=SMIL&formats=MPEG4&manifest=f4m'
96 smil_url = ('http://link.theplatform.com/s/{0}/{1}/meta.smil?'
97 'format=smil&mbr=true'.format(provider_id, video_id))
99 sig = smuggled_data.get('sig')
101 smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
103 meta = self._download_xml(smil_url, video_id)
107 for n in meta.findall(_x('.//smil:ref'))
108 if n.attrib.get('title') == 'Geographic Restriction' or n.attrib.get('title') == 'Expired')
109 except StopIteration:
112 raise ExtractorError(error_msg, expected=True)
114 info_url = 'http://link.theplatform.com/s/{0}/{1}?format=preview'.format(provider_id, video_id)
115 info_json = self._download_webpage(info_url, video_id)
116 info = json.loads(info_json)
119 captions = info.get('captions')
120 if isinstance(captions, list):
121 for caption in captions:
122 lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type')
124 'ext': 'srt' if mime == 'text/srt' else 'ttml',
128 head = meta.find(_x('smil:head'))
129 body = meta.find(_x('smil:body'))
131 f4m_node = body.find(_x('smil:seq//smil:video')) or body.find(_x('smil:seq/smil:video'))
132 if f4m_node is not None and '.f4m' in f4m_node.attrib['src']:
133 f4m_url = f4m_node.attrib['src']
134 if 'manifest.f4m?' not in f4m_url:
136 # the parameters are from syfy.com, other sites may use others,
137 # they also work for nbc.com
138 f4m_url += '&g=UXWGVKRWHFSP&hdcore=3.0.3'
139 formats = self._extract_f4m_formats(f4m_url, video_id)
142 switch = body.find(_x('smil:switch'))
144 switch = body.find(_x('smil:par//smil:switch')) or body.find(_x('smil:par/smil:switch'))
146 switch = body.find(_x('smil:par'))
147 if switch is not None:
148 base_url = head.find(_x('smil:meta')).attrib['base']
149 for f in switch.findall(_x('smil:video')):
151 width = int(attr['width'])
152 height = int(attr['height'])
153 vbr = int(attr['system-bitrate']) // 1000
154 format_id = '%dx%d_%dk' % (width, height, vbr)
156 'format_id': format_id,
158 'play_path': 'mp4:' + attr['src'],
165 switch = body.find(_x('smil:seq//smil:switch')) or body.find(_x('smil:seq/smil:switch'))
166 for f in switch.findall(_x('smil:video')):
168 vbr = int(attr['system-bitrate']) // 1000
169 ext = determine_ext(attr['src'])
173 'format_id': compat_str(vbr),
178 self._sort_formats(formats)
182 'title': info['title'],
183 'subtitles': subtitles,
185 'description': info['description'],
186 'thumbnail': info['defaultThumbnailUrl'],
187 'duration': info['duration'] // 1000,