Files
addon/lib/megaserver/client.py
2019-10-15 18:27:27 +02:00

201 lines
7.6 KiB
Python

import base64
import json
import random
import struct
import time
import urllib
from core import httptools
from threading import Thread
from file import File
from handler import Handler
from platformcode import logger
from server import Server
class Client(object):
VIDEO_EXTS = {'.avi': 'video/x-msvideo', '.mp4': 'video/mp4', '.mkv': 'video/x-matroska',
'.m4v': 'video/mp4', '.mov': 'video/quicktime', '.mpg': 'video/mpeg','.ogv': 'video/ogg',
'.ogg': 'video/ogg', '.webm': 'video/webm', '.ts': 'video/mp2t', '.3gp': 'video/3gpp'}
def __init__(self, url, port=None, ip=None, auto_shutdown=True, wait_time=20, timeout=5, is_playing_fnc=None):
self.port = port if port else random.randint(8000,8099)
self.ip = ip if ip else "127.0.0.1"
self.connected = False
self.start_time = None
self.last_connect = None
self.is_playing_fnc = is_playing_fnc
self.auto_shutdown = auto_shutdown
self.wait_time = wait_time
self.timeout = timeout
self.running = False
self.file = None
self.files = []
self._server = Server((self.ip, self.port), Handler, client=self)
self.add_url(url)
self.start()
def start(self):
self.start_time = time.time()
self.running = True
self._server.run()
t= Thread(target=self._auto_shutdown)
t.setDaemon(True)
t.start()
logger.info("MEGA Server Started")
def _auto_shutdown(self):
while self.running:
time.sleep(1)
if self.file and self.file.cursor:
self.last_connect = time.time()
if self.is_playing_fnc and self.is_playing_fnc():
self.last_connect = time.time()
if self.auto_shutdown:
#shudown por haber cerrado el reproductor
if self.connected and self.last_connect and self.is_playing_fnc and not self.is_playing_fnc():
if time.time() - self.last_connect - 1 > self.timeout:
self.stop()
#shutdown por no realizar ninguna conexion
if (not self.file or not self.file.cursor) and self.start_time and self.wait_time and not self.connected:
if time.time() - self.start_time - 1 > self.wait_time:
self.stop()
#shutdown tras la ultima conexion
if (not self.file or not self.file.cursor) and self.timeout and self.connected and self.last_connect and not self.is_playing_fnc:
if time.time() - self.last_connect - 1 > self.timeout:
self.stop()
def stop(self):
self.running = False
self._server.stop()
logger.info("MEGA Server Stopped")
def get_play_list(self):
if len(self.files) > 1:
return "http://" + self.ip + ":" + str(self.port) + "/playlist.pls"
else:
return "http://" + self.ip + ":" + str(self.port) + "/" + urllib.quote(self.files[0].name.encode("utf8"))
def get_files(self):
files = []
enc_url = None
if self.files:
for file in self.files:
n = file.name.encode("utf8")
u = "http://" + self.ip + ":" + str(self.port) + "/" + urllib.quote(n)
s = file.size
file_id = file.file_id
enc_url = file.url
files.append({"name":n,"url":u,"size":s, "id": file_id})
if len(self.files) == 1:
try:
code = httptools.downloadpage(enc_url, only_headers=True).code
if code > 300:
return code
else:
return files
except:
print(traceback.format_exc())
pass
return files
def add_url(self, url):
url = url.split("#")[1]
id_video = None
if "|" in url:
url, id_video = url.split("|")
if url.startswith("F!"):
if len(url.split("!")) ==3:
folder_id = url.split("!")[1]
folder_key = url.split("!")[2]
master_key = self.base64_to_a32(folder_key)
files = self.api_req({"a":"f","c":1,"r":1},"&n="+folder_id)
for file in files["f"]:
if file["t"] == 0:
if id_video and id_video != file["h"]:
continue
key = file['k'][file['k'].index(':') + 1:]
key = self.decrypt_key(self.base64_to_a32(key), master_key)
k = (key[0] ^ key[4], key[1] ^ key[5], key[2] ^ key[6], key[3] ^ key[7])
attributes = self.base64urldecode(file['a'])
attributes = self.dec_attr(attributes, k)
self.files.append(File(info=attributes, file_id=file["h"], key=key, folder_id=folder_id, file= file, client = self ))
else:
raise Exception("Enlace no valido")
elif url.startswith("!") or url.startswith("N!"):
if len(url.split("!")) ==3:
file_id = url.split("!")[1]
file_key = url.split("!")[2]
file = self.api_req({'a': 'g', 'g': 1, 'p': file_id})
key = self.base64_to_a32(file_key)
k = (key[0] ^ key[4], key[1] ^ key[5], key[2] ^ key[6], key[3] ^ key[7])
attributes = self.base64urldecode(file['at'])
attributes = self.dec_attr(attributes, k)
self.files.append(File(info=attributes, file_id=file_id, key=key, file= file, client = self))
else:
raise Exception("Enlace no valido")
else:
raise Exception("Enlace no valido")
def api_req(self, req, get=""):
seqno = random.randint(0, 0xFFFFFFFF)
url = 'https://g.api.mega.co.nz/cs?id=%d%s' % (seqno, get)
page = httptools.downloadpage(url, post=json.dumps([req])).data
return json.loads(page)[0]
def base64urldecode(self,data):
data += '=='[(2 - len(data) * 3) % 4:]
for search, replace in (('-', '+'), ('_', '/'), (',', '')):
data = data.replace(search, replace)
return base64.b64decode(data)
def base64urlencode(self,data):
data = base64.b64encode(data)
for search, replace in (('+', '-'), ('/', '_'), ('=', '')):
data = data.replace(search, replace)
return data
def a32_to_str(self,a):
return struct.pack('>%dI' % len(a), *a)
def str_to_a32(self,b):
if len(b) % 4: # Add padding, we need a string with a length multiple of 4
b += '\0' * (4 - len(b) % 4)
return struct.unpack('>%dI' % (len(b) / 4), b)
def base64_to_a32(self,s):
return self.str_to_a32(self.base64urldecode(s))
def a32_to_base64(self,a):
return self.base64urlencode(self.a32_to_str(a))
def aes_cbc_decrypt(self, data, key):
try:
from Cryptodome.Cipher import AES
decryptor = AES.new(key, AES.MODE_CBC, '\0' * 16)
except:
from Crypto.Cipher import AES
decryptor = AES.new(key, AES.MODE_CBC, '\0' * 16)
return decryptor.decrypt(data)
def aes_cbc_decrypt_a32(self,data, key):
return self.str_to_a32(self.aes_cbc_decrypt(self.a32_to_str(data), self.a32_to_str(key)))
def decrypt_key(self,a, key):
return sum((self.aes_cbc_decrypt_a32(a[i:i+4], key) for i in xrange(0, len(a), 4)), ())
def dec_attr(self, attr, key):
attr = self.aes_cbc_decrypt(attr, self.a32_to_str(key)).rstrip('\0')
if not attr.endswith("}"):
attr = attr.rsplit("}", 1)[0] + "}"
return json.loads(attr[4:]) if attr[:6] == 'MEGA{"' else False