[iqiyi] Cache encryption keys

This commit is contained in:
Yen Chi Hsuan 2015-06-07 02:47:36 +08:00
parent 9c5f685ef1
commit b5a3c7f109

View File

@ -3,6 +3,7 @@ from __future__ import unicode_literals
import hashlib
import math
import os.path
import random
import re
import time
@ -11,7 +12,10 @@ import zlib
from .common import InfoExtractor
from ..compat import compat_urllib_parse
from ..utils import ExtractorError
from ..utils import (
ExtractorError,
url_basename,
)
class IqiyiIE(InfoExtractor):
@ -207,12 +211,20 @@ class IqiyiIE(InfoExtractor):
return raw_data
def get_enc_key(self, swf_url, video_id):
filename, _ = os.path.splitext(url_basename(swf_url))
enc_key_json = self._downloader.cache.load('iqiyi-enc-key', filename)
if enc_key_json is not None:
return enc_key_json[0]
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')
self._downloader.cache.store('iqiyi-enc-key', filename, [enc_key])
return enc_key
def _real_extract(self, url):