mirror of
https://github.com/ytdl-org/youtube-dl.git
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105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
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import json
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import math
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import random
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import re
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import time
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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)
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class YoukuIE(InfoExtractor):
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_VALID_URL = r'(?:http://)?v\.youku\.com/v_show/id_(?P<ID>[A-Za-z0-9]+)\.html'
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def _gen_sid(self):
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nowTime = int(time.time() * 1000)
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random1 = random.randint(1000,1998)
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random2 = random.randint(1000,9999)
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return "%d%d%d" %(nowTime,random1,random2)
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def _get_file_ID_mix_string(self, seed):
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mixed = []
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source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
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seed = float(seed)
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for i in range(len(source)):
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seed = (seed * 211 + 30031 ) % 65536
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index = math.floor(seed / 65536 * len(source) )
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mixed.append(source[int(index)])
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source.remove(source[int(index)])
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#return ''.join(mixed)
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return mixed
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def _get_file_id(self, fileId, seed):
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mixed = self._get_file_ID_mix_string(seed)
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ids = fileId.split('*')
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realId = []
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for ch in ids:
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if ch:
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realId.append(mixed[int(ch)])
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return ''.join(realId)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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if mobj is None:
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raise ExtractorError(u'Invalid URL: %s' % url)
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video_id = mobj.group('ID')
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info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
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jsondata = self._download_webpage(info_url, video_id)
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self.report_extraction(video_id)
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try:
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config = json.loads(jsondata)
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video_title = config['data'][0]['title']
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seed = config['data'][0]['seed']
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format = self._downloader.params.get('format', None)
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supported_format = list(config['data'][0]['streamfileids'].keys())
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if format is None or format == 'best':
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if 'hd2' in supported_format:
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format = 'hd2'
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else:
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format = 'flv'
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ext = u'flv'
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elif format == 'worst':
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format = 'mp4'
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ext = u'mp4'
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else:
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format = 'flv'
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ext = u'flv'
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fileid = config['data'][0]['streamfileids'][format]
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keys = [s['k'] for s in config['data'][0]['segs'][format]]
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except (UnicodeDecodeError, ValueError, KeyError):
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raise ExtractorError(u'Unable to extract info section')
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files_info=[]
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sid = self._gen_sid()
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fileid = self._get_file_id(fileid, seed)
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#column 8,9 of fileid represent the segment number
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#fileid[7:9] should be changed
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for index, key in enumerate(keys):
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temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
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download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
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info = {
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'id': '%s_part%02d' % (video_id, index),
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'url': download_url,
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'uploader': None,
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'upload_date': None,
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'title': video_title,
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'ext': ext,
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}
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files_info.append(info)
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return files_info
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