Yen Chi Hsuan
9 years ago
2 changed files with 211 additions and 103 deletions
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@ -1,123 +1,237 @@ |
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# coding: utf-8 |
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from __future__ import unicode_literals |
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|
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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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import base64 |
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|
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from .common import InfoExtractor |
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from ..utils import ( |
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ExtractorError, |
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from ..utils import ExtractorError |
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|
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from ..compat import ( |
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compat_urllib_parse, |
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compat_ord, |
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compat_urllib_request, |
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) |
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|
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|
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class YoukuIE(InfoExtractor): |
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IE_NAME = 'youku' |
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_VALID_URL = r'''(?x) |
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(?: |
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http://(?:v|player)\.youku\.com/(?:v_show/id_|player\.php/sid/)| |
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youku:) |
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(?P<id>[A-Za-z0-9]+)(?:\.html|/v\.swf|) |
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''' |
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_TEST = { |
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'url': 'http://v.youku.com/v_show/id_XNDgyMDQ2NTQw.html', |
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'md5': 'ffe3f2e435663dc2d1eea34faeff5b5b', |
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'params': { |
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'test': False |
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|
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_TESTS = [{ |
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'url': 'http://v.youku.com/v_show/id_XMTc1ODE5Njcy.html', |
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'md5': '5f3af4192eabacc4501508d54a8cabd7', |
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'info_dict': { |
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'id': 'XMTc1ODE5Njcy_part1', |
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'title': '★Smile﹗♡ Git Fresh -Booty Music舞蹈.', |
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'ext': 'flv' |
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} |
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}, { |
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'url': 'http://player.youku.com/player.php/sid/XNDgyMDQ2NTQw/v.swf', |
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'only_matching': True, |
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}, { |
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'url': 'http://v.youku.com/v_show/id_XODgxNjg1Mzk2_ev_1.html', |
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'info_dict': { |
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'id': 'XODgxNjg1Mzk2', |
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'title': '武媚娘传奇 85', |
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}, |
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'playlist_count': 11, |
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}, { |
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'url': 'http://v.youku.com/v_show/id_XMTI1OTczNDM5Mg==.html', |
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'info_dict': { |
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'id': 'XNDgyMDQ2NTQw_part00', |
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'ext': 'flv', |
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'title': 'youtube-dl test video "\'/\\ä↭𝕐' |
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'id': 'XMTI1OTczNDM5Mg', |
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'title': '花千骨 04', |
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}, |
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'playlist_count': 13, |
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'skip': 'Available in China only', |
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}] |
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|
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def construct_video_urls(self, data1, data2): |
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# get sid, token |
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def yk_t(s1, s2): |
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ls = list(range(256)) |
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t = 0 |
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for i in range(256): |
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t = (t + ls[i] + compat_ord(s1[i % len(s1)])) % 256 |
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ls[i], ls[t] = ls[t], ls[i] |
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s = bytearray() |
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x, y = 0, 0 |
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for i in range(len(s2)): |
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y = (y + 1) % 256 |
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x = (x + ls[y]) % 256 |
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ls[x], ls[y] = ls[y], ls[x] |
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s.append(compat_ord(s2[i]) ^ ls[(ls[x] + ls[y]) % 256]) |
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return bytes(s) |
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|
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sid, token = yk_t( |
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b'becaf9be', base64.b64decode(data2['ep'].encode('ascii')) |
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).decode('ascii').split('_') |
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|
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# get oip |
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oip = data2['ip'] |
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|
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# get fileid |
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string_ls = list( |
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'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890') |
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shuffled_string_ls = [] |
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seed = data1['seed'] |
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N = len(string_ls) |
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for ii in range(N): |
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seed = (seed * 0xd3 + 0x754f) % 0x10000 |
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idx = seed * len(string_ls) // 0x10000 |
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shuffled_string_ls.append(string_ls[idx]) |
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del string_ls[idx] |
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|
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fileid_dict = {} |
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for format in data1['streamtypes']: |
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streamfileid = [ |
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int(i) for i in data1['streamfileids'][format].strip('*').split('*')] |
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fileid = ''.join( |
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[shuffled_string_ls[i] for i in streamfileid]) |
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fileid_dict[format] = fileid[:8] + '%s' + fileid[10:] |
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|
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def get_fileid(format, n): |
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fileid = fileid_dict[format] % hex(int(n))[2:].upper().zfill(2) |
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return fileid |
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|
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# get ep |
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def generate_ep(format, n): |
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fileid = get_fileid(format, n) |
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ep_t = yk_t( |
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b'bf7e5f01', |
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('%s_%s_%s' % (sid, fileid, token)).encode('ascii') |
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) |
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ep = base64.b64encode(ep_t).decode('ascii') |
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return ep |
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|
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# generate video_urls |
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video_urls_dict = {} |
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for format in data1['streamtypes']: |
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video_urls = [] |
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for dt in data1['segs'][format]: |
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n = str(int(dt['no'])) |
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param = { |
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'K': dt['k'], |
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'hd': self.get_hd(format), |
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'myp': 0, |
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'ts': dt['seconds'], |
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'ypp': 0, |
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'ctype': 12, |
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'ev': 1, |
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'token': token, |
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'oip': oip, |
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'ep': generate_ep(format, n) |
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} |
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video_url = \ |
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'http://k.youku.com/player/getFlvPath/' + \ |
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'sid/' + sid + \ |
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'_' + str(int(n) + 1).zfill(2) + \ |
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'/st/' + self.parse_ext_l(format) + \ |
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'/fileid/' + get_fileid(format, n) + '?' + \ |
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compat_urllib_parse.urlencode(param) |
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video_urls.append(video_url) |
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video_urls_dict[format] = video_urls |
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return video_urls_dict |
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|
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def get_hd(self, fm): |
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hd_id_dict = { |
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'flv': '0', |
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'mp4': '1', |
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'hd2': '2', |
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'hd3': '3', |
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'3gp': '0', |
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'3gphd': '1' |
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} |
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} |
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|
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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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|
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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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return hd_id_dict[fm] |
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|
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def parse_ext_l(self, fm): |
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ext_dict = { |
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'flv': 'flv', |
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'mp4': 'mp4', |
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'hd2': 'flv', |
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'hd3': 'flv', |
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'3gp': 'flv', |
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'3gphd': 'mp4' |
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} |
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return ext_dict[fm] |
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|
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def get_format_name(self, fm): |
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_dict = { |
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'3gp': 'h6', |
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'3gphd': 'h5', |
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'flv': 'h4', |
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'mp4': 'h3', |
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'hd2': 'h2', |
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'hd3': 'h1' |
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} |
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return _dict[fm] |
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|
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def _real_extract(self, url): |
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mobj = re.match(self._VALID_URL, 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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video_id = self._match_id(url) |
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config = self._download_json(info_url, video_id) |
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def retrieve_data(req_url, note): |
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req = compat_urllib_request.Request(req_url) |
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error_code = config['data'][0].get('error_code') |
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if error_code: |
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# -8 means blocked outside China. |
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error = config['data'][0].get('error') # Chinese and English, separated by newline. |
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raise ExtractorError(error or 'Server reported error %i' % error_code, |
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expected=True) |
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cn_verification_proxy = self._downloader.params.get('cn_verification_proxy') |
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if cn_verification_proxy: |
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req.add_header('Ytdl-request-proxy', cn_verification_proxy) |
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video_title = config['data'][0]['title'] |
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seed = config['data'][0]['seed'] |
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raw_data = self._download_json(req, video_id, note=note) |
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return raw_data['data'][0] |
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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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# request basic data |
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data1 = retrieve_data( |
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'http://v.youku.com/player/getPlayList/VideoIDS/%s' % video_id, |
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'Downloading JSON metadata 1') |
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data2 = retrieve_data( |
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'http://v.youku.com/player/getPlayList/VideoIDS/%s/Pf/4/ctype/12/ev/1' % video_id, |
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'Downloading JSON metadata 2') |
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|
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# TODO proper format selection |
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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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error_code = data1.get('error_code') |
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if error_code: |
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error = data1.get('error') |
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if error is not None and '因版权原因无法观看此视频' in error: |
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raise ExtractorError( |
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'Youku said: Sorry, this video is available in China only', expected=True) |
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else: |
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format = 'flv' |
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ext = 'flv' |
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elif format == 'worst': |
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format = 'mp4' |
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ext = 'mp4' |
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else: |
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format = 'flv' |
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ext = 'flv' |
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|
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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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# segs is usually a dictionary, but an empty *list* if an error occured. |
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|
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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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|
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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://k.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key) |
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|
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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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|
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return files_info |
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msg = 'Youku server reported error %i' % error_code |
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if error is not None: |
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msg += ': ' + error |
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raise ExtractorError(msg) |
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|
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title = data1['title'] |
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|
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# generate video_urls_dict |
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video_urls_dict = self.construct_video_urls(data1, data2) |
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|
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# construct info |
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entries = [] |
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for fm in data1['streamtypes']: |
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video_urls = video_urls_dict[fm] |
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for i in range(len(video_urls)): |
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if len(entries) < i + 1: |
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entries.append({'formats': []}) |
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entries[i]['formats'].append({ |
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'url': video_urls[i], |
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'format_id': self.get_format_name(fm), |
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'ext': self.parse_ext_l(fm), |
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'filesize': int(data1['segs'][fm][i]['size']) |
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}) |
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for i in range(len(entries)): |
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entries[i].update({ |
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'id': '%s_part%d' % (video_id, i + 1), |
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'title': title, |
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}) |
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|
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return { |
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'_type': 'multi_video', |
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'id': video_id, |
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'title': title, |
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'entries': entries, |
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} |
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