from __future__ import unicode_literals import re import json import time import hmac import binascii import hashlib from .common import InfoExtractor from ..compat import ( compat_parse_qs, compat_urllib_parse_urlparse, ) from ..utils import ( determine_ext, ExtractorError, xpath_with_ns, unsmuggle_url, int_or_none, url_basename, float_or_none, ) default_ns = 'http://www.w3.org/2005/SMIL21/Language' _x = lambda p: xpath_with_ns(p, {'smil': default_ns}) class ThePlatformBaseIE(InfoExtractor): def _extract_theplatform_smil_formats(self, smil_url, video_id, note='Downloading SMIL data'): meta = self._download_xml(smil_url, video_id, note=note) try: error_msg = next( n.attrib['abstract'] for n in meta.findall(_x('.//smil:ref')) if n.attrib.get('title') == 'Geographic Restriction' or n.attrib.get('title') == 'Expired') except StopIteration: pass else: raise ExtractorError(error_msg, expected=True) formats = self._parse_smil_formats( meta, smil_url, video_id, namespace=default_ns, # the parameters are from syfy.com, other sites may use others, # they also work for nbc.com f4m_params={'g': 'UXWGVKRWHFSP', 'hdcore': '3.0.3'}, transform_rtmp_url=lambda streamer, src: (streamer, 'mp4:' + src)) for _format in formats: ext = determine_ext(_format['url']) if ext == 'once': _format['ext'] = 'mp4' self._sort_formats(formats) return formats def get_metadata(self, path, video_id): info_url = 'http://link.theplatform.com/s/%s?format=preview' % path info_json = self._download_webpage(info_url, video_id) info = json.loads(info_json) subtitles = {} captions = info.get('captions') if isinstance(captions, list): for caption in captions: lang, src, mime = caption.get('lang', 'en'), caption.get('src'), caption.get('type') subtitles[lang] = [{ 'ext': 'srt' if mime == 'text/srt' else 'ttml', 'url': src, }] return { 'title': info['title'], 'subtitles': subtitles, 'description': info['description'], 'thumbnail': info['defaultThumbnailUrl'], 'duration': int_or_none(info.get('duration'), 1000), } class ThePlatformIE(ThePlatformBaseIE): _VALID_URL = r'''(?x) (?:https?://(?:link|player)\.theplatform\.com/[sp]/(?P[^/]+)/ (?:(?P(?:[^/]+/)+select/media/)|(?P(?:[^/\?]+/(?:swf|config)|onsite)/select/))? |theplatform:)(?P[^/\?&]+)''' _TESTS = [{ # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/ 'url': 'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true', 'info_dict': { 'id': 'e9I_cZgTgIPd', 'ext': 'flv', 'title': 'Blackberry\'s big, bold Z30', 'description': 'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.', 'duration': 247, }, 'params': { # rtmp download 'skip_download': True, }, }, { # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/ 'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT', 'info_dict': { 'id': '22d_qsQ6MIRT', 'ext': 'flv', 'description': 'md5:ac330c9258c04f9d7512cf26b9595409', 'title': 'Tesla Model S: A second step towards a cleaner motoring future', }, 'params': { # rtmp download 'skip_download': True, } }, { 'url': 'https://player.theplatform.com/p/D6x-PC/pulse_preview/embed/select/media/yMBg9E8KFxZD', 'info_dict': { 'id': 'yMBg9E8KFxZD', 'ext': 'mp4', 'description': 'md5:644ad9188d655b742f942bf2e06b002d', 'title': 'HIGHLIGHTS: USA bag first ever series Cup win', } }, { 'url': 'http://player.theplatform.com/p/NnzsPC/widget/select/media/4Y0TlYUr_ZT7', 'only_matching': True, }, { 'url': 'http://player.theplatform.com/p/2E2eJC/nbcNewsOffsite?guid=tdy_or_siri_150701', 'md5': '734f3790fb5fc4903da391beeebc4836', 'info_dict': { 'id': 'tdy_or_siri_150701', 'ext': 'mp4', 'title': 'iPhone Siri’s sassy response to a math question has people talking', 'description': 'md5:a565d1deadd5086f3331d57298ec6333', 'duration': 83.0, 'thumbnail': 're:^https?://.*\.jpg$', 'timestamp': 1435752600, 'upload_date': '20150701', 'categories': ['Today/Shows/Orange Room', 'Today/Sections/Money', 'Today/Topics/Tech', "Today/Topics/Editor's picks"], }, }] @staticmethod def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False): flags = '10' if include_qs else '00' expiration_date = '%x' % (int(time.time()) + life) def str_to_hex(str): return binascii.b2a_hex(str.encode('ascii')).decode('ascii') def hex_to_str(hex): return binascii.a2b_hex(hex) relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0] clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path)) checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest() sig = flags + expiration_date + checksum + str_to_hex(sig_secret) return '%s&sig=%s' % (url, sig) def _real_extract(self, url): url, smuggled_data = unsmuggle_url(url, {}) mobj = re.match(self._VALID_URL, url) provider_id = mobj.group('provider_id') video_id = mobj.group('id') if not provider_id: provider_id = 'dJ5BDC' path = provider_id if mobj.group('media'): path += '/media' path += '/' + video_id qs_dict = compat_parse_qs(compat_urllib_parse_urlparse(url).query) if 'guid' in qs_dict: webpage = self._download_webpage(url, video_id) scripts = re.findall(r']+src="([^"]+)"', webpage) feed_id = None # feed id usually locates in the last script. # Seems there's no pattern for the interested script filename, so # I try one by one for script in reversed(scripts): feed_script = self._download_webpage(script, video_id, 'Downloading feed script') feed_id = self._search_regex(r'defaultFeedId\s*:\s*"([^"]+)"', feed_script, 'default feed id', default=None) if feed_id is not None: break if feed_id is None: raise ExtractorError('Unable to find feed id') return self.url_result('http://feed.theplatform.com/f/%s/%s?byGuid=%s' % ( provider_id, feed_id, qs_dict['guid'][0])) if smuggled_data.get('force_smil_url', False): smil_url = url elif mobj.group('config'): config_url = url + '&form=json' config_url = config_url.replace('swf/', 'config/') config_url = config_url.replace('onsite/', 'onsite/config/') config = self._download_json(config_url, video_id, 'Downloading config') if 'releaseUrl' in config: release_url = config['releaseUrl'] else: release_url = 'http://link.theplatform.com/s/%s?mbr=true' % path smil_url = release_url + '&format=SMIL&formats=MPEG4&manifest=f4m' else: smil_url = 'http://link.theplatform.com/s/%s/meta.smil?format=smil&mbr=true' % path sig = smuggled_data.get('sig') if sig: smil_url = self._sign_url(smil_url, sig['key'], sig['secret']) formats = self._extract_theplatform_smil_formats(smil_url, video_id) ret = self.get_metadata(path, video_id) ret.update({ 'id': video_id, 'formats': formats, }) return ret class ThePlatformFeedIE(ThePlatformBaseIE): _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&byGuid=%s' _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P[^/]+)/(?P[^?/]+)\?(?:[^&]+&)*byGuid=(?P[a-zA-Z0-9_]+)' _TEST = { # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207 'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207', 'md5': '22d2b84f058d3586efcd99e57d59d314', 'info_dict': { 'id': 'n_hardball_5biden_140207', 'ext': 'mp4', 'title': 'The Biden factor: will Joe run in 2016?', 'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.', 'thumbnail': 're:^https?://.*\.jpg$', 'upload_date': '20140208', 'timestamp': 1391824260, 'duration': 467.0, 'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'], }, } def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) video_id = mobj.group('id') provider_id = mobj.group('provider_id') feed_id = mobj.group('feed_id') real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, video_id) feed = self._download_json(real_url, video_id) entry = feed['entries'][0] formats = [] first_video_id = None duration = None for item in entry['media$content']: smil_url = item['plfile$url'] + '&format=SMIL&Tracking=true&Embedded=true&formats=MPEG4,F4M' cur_video_id = url_basename(smil_url) if first_video_id is None: first_video_id = cur_video_id duration = float_or_none(item.get('plfile$duration')) formats.extend(self._extract_theplatform_smil_formats(smil_url, video_id, 'Downloading SMIL data for %s' % cur_video_id)) self._sort_formats(formats) thumbnails = [{ 'url': thumbnail['plfile$url'], 'width': int_or_none(thumbnail.get('plfile$width')), 'height': int_or_none(thumbnail.get('plfile$height')), } for thumbnail in entry.get('media$thumbnails', [])] timestamp = int_or_none(entry.get('media$availableDate'), scale=1000) categories = [item['media$name'] for item in entry.get('media$categories', [])] ret = self.get_metadata('%s/%s' % (provider_id, first_video_id), video_id) ret.update({ 'id': video_id, 'formats': formats, 'thumbnails': thumbnails, 'duration': duration, 'timestamp': timestamp, 'categories': categories, }) return ret