96918d58ca
- Fix Trakt e aggiuntoi i segni di spunta (già visto) nei canali - Fix Segna come già visto - Aggiunta Disattivazione aggiornamento serie tramite multiselect - Altri fix e migliorie
74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
import sys, traceback
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from platformcode import logger
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if sys.version_info[0] >= 3:
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from urllib.request import Request, urlopen
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else:
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from urllib2 import Request, urlopen
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class Cursor(object):
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def __init__(self, file):
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self._file=file
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self.pos=0
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self.conn =None
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self.initial_value = file.initial_value
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self.k = file.k
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def mega_request(self,offset, retry=False):
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if not self._file.url or retry:
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if self._file.folder_id :
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file = self._file._client.api_req({"a":"g","g":1,"n":self._file.file_id},"&n="+self._file.folder_id)
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self._file.url= file["g"]
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else:
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file = self._file._client.api_req({'a': 'g', 'g': 1, 'p': self._file.file_id})
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self._file.url= file["g"]
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req = Request(self._file.url)
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req.headers['Range'] = 'bytes=%s-' % (offset)
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try:
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self.conn = urlopen(req)
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try:
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self.prepare_decoder(offset)
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except:
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logger.error(traceback.format_exc())
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except:
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self.mega_request(offset, True)
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def read(self,n=None):
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if not self.conn:
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return
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res=self.conn.read(n)
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if res:
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res = self.decode(res)
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self.pos+=len(res)
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return res
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def seek(self,n):
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if n>self._file.size:
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n=self._file.size
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elif n<0:
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raise ValueError('Seeking negative')
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self.mega_request(n)
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self.pos=n
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def tell(self):
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return self.pos
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def __enter__(self):
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return self
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def __exit__(self,exc_type, exc_val, exc_tb):
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self._file.cursors.remove(self)
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if len(self._file.cursors) == 0: self._file.cursor = False
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def decode(self, data):
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return self.decryptor.decrypt(data)
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def prepare_decoder(self,offset):
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initial_value = self.initial_value + int(offset/16)
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from lib import pyaes
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self.decryptor = pyaes.AESModeOfOperationCTR(self._file._client.a32_to_str(self.k), counter=pyaes.Counter(initial_value=initial_value))
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rest = offset - int(offset/16)*16
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if rest:
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self.decode(str(0)*rest)
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