youtube-dl/youtube_dl/extractor/iqiyi.py
Yen Chi Hsuan 29e7e0781b [iqiyi] Simplify and improve regex patterns
See the comments in #5849
2015-06-07 00:56:08 +08:00

224 lines
6.8 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
from .common import InfoExtractor
from ..compat import compat_urllib_parse
from ..utils import ExtractorError
import re
import time
import uuid
import math
import random
import zlib
import hashlib
class IqiyiIE(InfoExtractor):
IE_NAME = 'iqiyi'
_VALID_URL = r'http://(?:www\.)iqiyi.com/.+?\.html'
_TEST = {
'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
'md5': '2cb594dc2781e6c941a110d8f358118b',
'info_dict': {
'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
'title': '美国德州空中惊现奇异云团 酷似UFO',
'ext': 'f4v',
}
}
def construct_video_urls(self, data, video_id, _uuid):
def do_xor(x, y):
a = y % 3
if a == 1:
return x ^ 121
if a == 2:
return x ^ 72
return x ^ 103
def get_encode_code(l):
a = 0
b = l.split('-')
c = len(b)
s = ''
for i in range(c - 1, -1, -1):
a = do_xor(int(b[c - i - 1], 16), i)
s += chr(a)
return s[::-1]
def get_path_key(x):
mg = ')(*&^flash@#$%a'
tm = self._download_json(
'http://data.video.qiyi.com/t?tn=' + str(random.random()), video_id)['t']
t = str(int(math.floor(int(tm) / (600.0))))
return hashlib.md5((t + mg + x).encode('utf8')).hexdigest()
video_urls_dict = {}
for i in data['vp']['tkl'][0]['vs']:
if 0 < int(i['bid']) <= 10:
format_id = self.get_format(i['bid'])
else:
continue
video_urls = []
video_urls_info = i['fs']
if not i['fs'][0]['l'].startswith('/'):
t = get_encode_code(i['fs'][0]['l'])
if t.endswith('mp4'):
video_urls_info = i['flvs']
for ii in video_urls_info:
vl = ii['l']
if not vl.startswith('/'):
vl = get_encode_code(vl)
key = get_path_key(
vl.split('/')[-1].split('.')[0])
filesize = ii['b']
base_url = data['vp']['du'].split('/')
base_url.insert(-1, key)
base_url = '/'.join(base_url)
param = {
'su': _uuid,
'qyid': uuid.uuid4().hex,
'client': '',
'z': '',
'bt': '',
'ct': '',
'tn': str(int(time.time()))
}
api_video_url = base_url + vl + '?' + \
compat_urllib_parse.urlencode(param)
js = self._download_json(api_video_url, video_id)
video_url = js['l']
video_urls.append(
(video_url, filesize))
video_urls_dict[format_id] = video_urls
return video_urls_dict
def get_format(self, bid):
_dict = {
'1': 'h6',
'2': 'h5',
'3': 'h4',
'4': 'h3',
'5': 'h2',
'10': 'h1'
}
return _dict.get(str(bid), None)
def get_bid(self, format_id):
_dict = {
'h6': '1',
'h5': '2',
'h4': '3',
'h3': '4',
'h2': '5',
'h1': '10',
'best': 'best'
}
return _dict.get(format_id, None)
def get_raw_data(self, tvid, video_id, enc_key, _uuid):
tm = str(int(time.time()))
param = {
'key': 'fvip',
'src': hashlib.md5(b'youtube-dl').hexdigest(),
'tvId': tvid,
'vid': video_id,
'vinfo': 1,
'tm': tm,
'enc': hashlib.md5(
(enc_key + tm + tvid).encode('utf8')).hexdigest(),
'qyid': _uuid,
'tn': random.random(),
'um': 0,
'authkey': hashlib.md5(
(tm + tvid).encode('utf8')).hexdigest()
}
api_url = 'http://cache.video.qiyi.com/vms' + '?' + \
compat_urllib_parse.urlencode(param)
raw_data = self._download_json(api_url, video_id)
return raw_data
def get_enc_key(self, swf_url, video_id):
req = self._request_webpage(
swf_url, video_id, note='download swf content')
cn = req.read()
cn = zlib.decompress(cn[8:])
pt = re.compile(b'MixerRemote\x08(?P<enc_key>.+?)\$&vv')
enc_key = self._search_regex(pt, cn, 'enc_key').decode('utf8')
return enc_key
def _real_extract(self, url):
webpage = self._download_webpage(
url, 'temp_id', note='download video page')
tvid = self._search_regex(
r'data-player-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid')
video_id = self._search_regex(
r'data-player-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
swf_url = self._search_regex(
r'(http://.+?MainPlayer.+?\.swf)', webpage, 'swf player URL')
_uuid = uuid.uuid4().hex
enc_key = self.get_enc_key(swf_url, video_id)
raw_data = self.get_raw_data(tvid, video_id, enc_key, _uuid)
assert raw_data['code'] == 'A000000'
if not raw_data['data']['vp']['tkl']:
raise ExtractorError('No support iQiqy VIP video')
data = raw_data['data']
title = data['vi']['vn']
# generate video_urls_dict
video_urls_dict = self.construct_video_urls(
data, video_id, _uuid)
# construct info
entries = []
for format_id in video_urls_dict:
video_urls = video_urls_dict[format_id]
for i, video_url_info in enumerate(video_urls):
if len(entries) < i + 1:
entries.append({'formats': []})
entries[i]['formats'].append(
{
'url': video_url_info[0],
'filesize': video_url_info[-1],
'format_id': format_id,
'preference': int(self.get_bid(format_id))
}
)
for i in range(len(entries)):
self._sort_formats(entries[i]['formats'])
entries[i].update(
{
'id': '_part%d' % (i + 1),
'title': title,
}
)
if len(entries) > 1:
info = {
'_type': 'multi_video',
'id': video_id,
'title': title,
'entries': entries,
}
else:
info = entries[0]
info['id'] = video_id
info['title'] = title
return info