import base64
from math import ceil
+from .utils import bytes_to_intlist
+
BLOCK_SIZE_BYTES = 16
def aes_ctr_decrypt(data, key, counter):
@returns {int[]} decrypted data
"""
expanded_key = key_expansion(key)
- block_count = int(ceil(float(len(data)) / BLOCK_SIZE_BYTES))
+ block_count = int(ceil(float(len(data)) // BLOCK_SIZE_BYTES))
decrypted_data=[]
for i in range(block_count):
data = data[:] # copy
rcon_iteration = 1
key_size_bytes = len(data)
- expanded_key_size_bytes = (key_size_bytes/4 + 7) * BLOCK_SIZE_BYTES
+ expanded_key_size_bytes = (key_size_bytes // 4 + 7) * BLOCK_SIZE_BYTES
while len(data) < expanded_key_size_bytes:
temp = data[-4:]
@param {int[]} expanded_key 176/208/240-Byte expanded key
@returns {int[]} 16-Byte cipher
"""
- rounds = len(expanded_key) / BLOCK_SIZE_BYTES - 1
+ rounds = len(expanded_key) // BLOCK_SIZE_BYTES - 1
data = xor(data, expanded_key[:BLOCK_SIZE_BYTES])
for i in range(1, rounds+1):
"""
NONCE_LENGTH_BYTES = 8
- data = map(lambda c: ord(c), base64.b64decode(data))
- password = map(lambda c: ord(c), password.encode('utf-8'))
+ data = bytes_to_intlist(base64.b64decode(data))
+ password = bytes_to_intlist(password.encode('utf-8'))
key = password[:key_size_bytes] + [0]*(key_size_bytes - len(password))
- key = aes_encrypt(key[:BLOCK_SIZE_BYTES], key_expansion(key)) * (key_size_bytes / BLOCK_SIZE_BYTES)
+ key = aes_encrypt(key[:BLOCK_SIZE_BYTES], key_expansion(key)) * (key_size_bytes // BLOCK_SIZE_BYTES)
nonce = data[:NONCE_LENGTH_BYTES]
cipher = data[NONCE_LENGTH_BYTES:]
(3,1,1,2))
def sub_bytes(data):
- return map(lambda x: SBOX[x], data)
+ return [SBOX[x] for x in data]
def rotate(data):
return data[1:] + [data[0]]
return data
def xor(data1, data2):
- return map(lambda (x,y): x^y, zip(data1, data2))
+ return [x^y for x, y in zip(data1, data2)]
def mix_column(data):
data_mixed = []
from .common import InfoExtractor
from ..utils import (
+ compat_str,
compat_urllib_parse_urlparse,
compat_urllib_request,
links = re.findall(LINK_RE, download_list_html)
# Get link of hd video
- encrypted_video_url = self._html_search_regex(r'var encryptedURL = \'(?P<encrypted_video_url>[a-zA-Z0-9+/]+={0,2})\';',
+ encrypted_video_url = self._html_search_regex(
+ r'var encrypted(?:Quality[0-9]+)?URL = \'(?P<encrypted_video_url>[a-zA-Z0-9+/]+={0,2})\';',
webpage, u'encrypted_video_url')
- video_url = unicode( aes_decrypt_text(encrypted_video_url, video_title, 32), 'utf-8')
+ video_url = aes_decrypt_text(encrypted_video_url, video_title, 32)
+ print(video_url)
+ assert isinstance(video_url, compat_str)
if video_url.split('/')[6].split('_')[0] == u'720p': # only add if 720p to avoid duplicates
links = [video_url] + links
- if(len(links) == 0):
+ if not links:
raise ExtractorError(u'ERROR: no known formats available for video')
self.to_screen(u'Links found: %d' % len(links))
self._print_formats(formats)
return
- req_format = self._downloader.params.get('format', None)
+ req_format = self._downloader.params.get('format', 'best')
self.to_screen(u'Format: %s' % req_format)
if req_format is None or req_format == 'best':