- def _gen_sid(self):
- nowTime = int(time.time() * 1000)
- random1 = random.randint(1000, 1998)
- random2 = random.randint(1000, 9999)
-
- return "%d%d%d" % (nowTime, random1, random2)
-
- def _get_file_ID_mix_string(self, seed):
- mixed = []
- source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
- seed = float(seed)
- for i in range(len(source)):
- seed = (seed * 211 + 30031) % 65536
- index = math.floor(seed / 65536 * len(source))
- mixed.append(source[int(index)])
- source.remove(source[int(index)])
- # return ''.join(mixed)
- return mixed
-
- def _get_file_id(self, fileId, seed):
- mixed = self._get_file_ID_mix_string(seed)
- ids = fileId.split('*')
- realId = []
- for ch in ids:
- if ch:
- realId.append(mixed[int(ch)])
- return ''.join(realId)
+ def construct_video_urls(self, data1, data2):
+ # get sid, token
+ def yk_t(s1, s2):
+ ls = list(range(256))
+ t = 0
+ for i in range(256):
+ t = (t + ls[i] + ord(s1[i%len(s1)])) % 256
+ ls[i], ls[t] = ls[t], ls[i]
+ s, x, y = '', 0, 0
+ for i in range(len(s2)):
+ y = (y + 1) % 256
+ x = (x + ls[y]) % 256
+ ls[x], ls[y] = ls[y], ls[x]
+ s += chr((s2[i] ^ ls[(ls[x]+ls[y]) % 256]))
+ return s
+
+ sid, token = yk_t(
+ 'becaf9be', base64.b64decode(bytes(data2['ep'], 'ascii'))
+ ).split('_')
+
+ # get oip
+ oip = data2['ip']
+
+ # get fileid
+ string_ls = list(
+ 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890')
+ shuffled_string_ls = []
+ seed = data1['seed']
+ N = len(string_ls)
+ for ii in range(N):
+ seed = (seed * 0xd3 + 0x754f) % 0x10000
+ idx = seed * len(string_ls) // 0x10000
+ shuffled_string_ls.append(string_ls[idx])
+ del string_ls[idx]
+
+ fileid_dict = {}
+ for format in data1['streamtypes']:
+ streamfileid = [
+ int(i) for i in data1['streamfileids'][format].strip('*').split('*')]
+ fileid = ''.join(
+ [shuffled_string_ls[i] for i in streamfileid])
+ fileid_dict[format] = fileid[:8] + '%s' + fileid[10:]
+
+ def get_fileid(format, n):
+ fileid = fileid_dict[format] % hex(int(n))[2:].upper().zfill(2)
+ return fileid
+
+ # get ep
+ def generate_ep(format, n):
+ fileid = get_fileid(format, n)
+ ep_t = yk_t(
+ 'bf7e5f01',
+ bytes('%s_%s_%s' % (sid, fileid, token), 'ascii'))
+ ep = base64.b64encode(bytes(ep_t, 'latin')).decode()
+ ep = ep.replace('+', '%2B')
+ ep = ep.replace('/', '%2F')
+ ep = ep.replace('=', '%2D')
+ return ep
+
+ # generate video_urls
+ video_urls_dict = {}
+ for format in data1['streamtypes']:
+ video_urls = []
+ for dt in data1['segs'][format]:
+ n = str(int(dt['no']))
+ video_url = \
+ 'http://k.youku.com/player/getFlvPath/' + \
+ 'sid/' + sid + \
+ '_' + str(int(n)+1).zfill(2) + \
+ '/st/' + self.parse_ext_l(format) + \
+ '/fileid/' + get_fileid(format, n) + '?' + \
+ 'K=' + str(dt['k']) + \
+ '&hd=' + self.get_hd(format) + \
+ '&myp=0' + \
+ '&ts=' + str(dt['seconds']) + \
+ '&ypp=0&ctype=12&ev=1' + \
+ '&token=' + str(token) + \
+ '&oip=' + str(oip) + \
+ '&ep=' + generate_ep(format, n)
+ video_urls.append(video_url)
+ video_urls_dict[format] = video_urls
+
+ return video_urls_dict
+
+ def get_hd(self, fm):
+ hd_id_dict = {
+ 'flv': '0',
+ 'mp4': '1',
+ 'hd2': '2',
+ 'hd3': '3',
+ '3gp': '0',
+ '3gphd': '1'
+ }
+ return hd_id_dict[fm]
+
+ def parse_ext_l(self, fm):
+ ext_dict = {
+ 'flv': 'flv',
+ 'mp4': 'mp4',
+ 'hd2': 'flv',
+ 'hd3': 'flv',
+ '3gp': 'flv',
+ '3gphd': 'mp4',
+ }
+ return ext_dict[fm]