# -*- coding: utf-8 -*-
from __future__ import with_statement
import binascii
import os
import re
import Crypto.Cipher.AES
from module.plugins.internal.Captcha import Captcha
from module.plugins.internal.Crypter import Crypter
from module.plugins.internal.misc import fsjoin, replace_patterns
class RelinkUs(Crypter):
__name__ = "RelinkUs"
__type__ = "crypter"
__version__ = "3.19"
__status__ = "testing"
__pattern__ = r'http://(?:www\.)?relink\.(?:us|to)/(f/|((view|go)\.php\?id=))(?P<ID>.+)'
__config__ = [("activated" , "bool" , "Activated" , True ),
("use_premium" , "bool" , "Use premium account if available", True ),
("folder_per_package", "Default;Yes;No", "Create folder for each package" , "Default")]
__description__ = """Relink.us decrypter plugin"""
__license__ = "GPLv3"
__authors__ = [("fragonib", "fragonib[AT]yahoo[DOT]es"),
("AndroKev", "neureither.kevin@gmail.com")]
URL_REPLACEMENTS = [(__pattern__ + '.*', r'http://www.relink.to/f/\g<ID>')]
PREFERRED_LINK_SOURCES = ["cnl2", "dlc", "web"]
OFFLINE_TOKEN = r'<title>Tattooside'
PASSWORD_TOKEN = r'container_password.php'
PASSWORD_ERROR_ROKEN = r'You have entered an incorrect password'
PASSWORD_SUBMIT_URL = r'http://www.relink.to/container_password.php'
CAPTCHA_TOKEN = r'container_captcha.php'
CAPTCHA_ID_PATTERN = r'id="captcha_id" value="(\w+?)"'
CAPTCHA_ERROR_ROKEN = r'You have solved the captcha wrong'
CAPTCHA_IMG_URL = r'http://www.relink.to/core/captcha/circlecaptcha.php'
CAPTCHA_SUBMIT_URL = r'http://www.relink.to/container_captcha.php'
FILE_TITLE_PATTERN = r'<th>Title</th><td>(.*)</td></tr>'
FILE_NOTITLE = r'No title'
CNL2_FORM_PATTERN = r'<form id="cnl_form-(.*?)</form>'
CNL2_FORMINPUT_PATTERN = r'<input.*?name="%s".*?value="(.*?)"'
CNL2_JK_KEY = "jk"
CNL2_CRYPTED_KEY = "crypted"
DLC_LINK_PATTERN = r'<a href=".*?" class="dlc_button" target="_blank">'
DLC_DOWNLOAD_URL = r'http://www.relink.to/download.php'
WEB_FORWARD_PATTERN = r'getFile\(\'(.+)\'\)'
WEB_FORWARD_URL = r'http://www.relink.to/frame.php'
WEB_LINK_PATTERN = r'<iframe name="Container" height="100%" frameborder="no" width="100%" src="(.+)"></iframe>'
def setup(self):
self.file_id = None
self.package = None
self.captcha = Captcha(self.pyfile)
def decrypt(self, pyfile):
#: Init
self.init_package(pyfile)
#: Request package
self.request_package()
#: Check for online
if not self.is_online():
self.offline()
#: Check for protection
if self.is_password_protected():
self.unlock_password_protection()
self.handle_errors()
if self.is_captcha_protected():
self.unlock_captcha_protection()
self.handle_errors()
#: Get package name and folder
pack_name, folder_name = self.get_package_info()
#: Extract package links
pack_links = []
for sources in self.PREFERRED_LINK_SOURCES:
pack_links.extend(self.handle_link_source(sources))
if pack_links: #: Use only first source which provides links
break
pack_links = set(pack_links)
#: Pack
if pack_links:
self.packages = [(pack_name, pack_links, folder_name)]
def init_package(self, pyfile):
pyfile.url = replace_patterns(pyfile.url, self.URL_REPLACEMENTS)
self.file_id = re.match(self.__pattern__, pyfile.url).group('ID')
self.package = pyfile.package()
def request_package(self):
self.data = self.load(self.pyfile.url)
def is_online(self):
if self.OFFLINE_TOKEN in self.data:
self.log_debug("File not found")
return False
return True
def is_password_protected(self):
if self.PASSWORD_TOKEN in self.data:
self.log_debug("Links are password protected")
return True
def is_captcha_protected(self):
if self.CAPTCHA_TOKEN in self.data:
self.log_debug("Links are captcha protected")
return True
return False
def unlock_password_protection(self):
password = self.get_password()
self.log_debug("Submitting password [%s] for protected links" % password)
if password:
passwd_url = self.PASSWORD_SUBMIT_URL + "?id=%s" % self.file_id
passwd_data = {'id': self.file_id, 'password': password, 'pw': 'submit'}
self.data = self.load(passwd_url, post=passwd_data)
def unlock_captcha_protection(self):
self.log_debug("Request user positional captcha resolving")
captcha_id = re.search(self.CAPTCHA_ID_PATTERN, self.data).group(1)
coords = self.captcha.decrypt(self.CAPTCHA_IMG_URL, get={'id': captcha_id}, input_type="png", output_type='positional') # , ocr="CircleCaptcha")
self.log_debug("Captcha resolved, coords (%s,%s)" % (coords[0], coords[1]))
self.data = self.load(self.CAPTCHA_SUBMIT_URL,
# ref=self.CAPTCHA_SUBMIT_URL + "&id=" + self.file_id,
get={'id': self.file_id},
post={'button.x' : coords[0],
'button.y' : coords[1],
'captcha_id' : captcha_id,
'captcha_type': "RelinkCircle",
'captcha' : "submit"})
def get_package_info(self):
name = folder = None
#: Try to get info from web
# self.data = self.load(self.pyfile.url)
m = re.search(self.FILE_TITLE_PATTERN, self.data)
if m is not None:
title = m.group(1).strip()
if not self.FILE_NOTITLE in title:
name = folder = title
self.log_debug("Found name [%s] and folder [%s] in package info" % (name, folder))
#: Fallback to defaults
if not name or not folder:
name = self.package.name
folder = self.package.folder
self.log_debug("Package info not found, defaulting to pyfile name [%s] and folder [%s]" % (name, folder))
#: Return package info
return name, folder
def handle_errors(self):
if self.PASSWORD_ERROR_ROKEN in self.data:
self.fail(_("Wrong password"))
if self.captcha.task:
if self.CAPTCHA_ERROR_ROKEN in self.data:
self.retry_captcha()
else:
self.captcha.correct()
def handle_link_source(self, source):
if source == "cnl2":
return self.handle_CNL2Links()
elif source == "dlc":
return self.handle_DLC_links()
elif source == "web":
return self.handle_WEB_links()
else:
self.error(_('Unknown source type "%s"') % source)
def handle_CNL2Links(self):
self.log_debug("Search for CNL2 links")
pack_links = []
m = re.search(self.CNL2_FORM_PATTERN, self.data, re.S)
if m is not None:
cnl2_form = m.group(1)
try:
(vcrypted, vjk) = self._get_cipher_params(cnl2_form)
for (crypted, jk) in zip(vcrypted, vjk):
pack_links.extend(self._get_links(crypted, jk))
except Exception:
self.log_debug("Unable to decrypt CNL2 links", trace=True)
return pack_links
def handle_DLC_links(self):
self.log_debug("Search for DLC links")
pack_links = []
m = re.search(self.DLC_LINK_PATTERN, self.data)
if m is not None:
container_url = self.DLC_DOWNLOAD_URL + "?id=%s&dlc=1" % self.file_id
self.log_debug("Downloading DLC container link [%s]" % container_url)
try:
dlc = self.load(container_url)
dlc_filename = self.file_id + ".dlc"
dlc_filepath = fsjoin(self.pyload.config.get('general', 'download_folder'), dlc_filename)
with open(dlc_filepath, "wb") as f:
f.write(dlc)
pack_links.append(dlc_filepath)
except Exception:
self.fail(_("Unable to download DLC container"))
return pack_links
def handle_WEB_links(self):
self.log_debug("Search for WEB links")
pack_links = []
params = re.findall(self.WEB_FORWARD_PATTERN, self.data)
self.log_debug("Decrypting %d Web links" % len(params))
for index, param in enumerate(params):
try:
url = self.WEB_FORWARD_URL + "?%s" % param
self.log_debug("Decrypting Web link %d, %s" % (index + 1, url))
res = self.load(url)
link = re.search(self.WEB_LINK_PATTERN, res).group(1)
pack_links.append(link)
except Exception, detail:
self.log_debug("Error decrypting Web link %s, %s" % (index, detail))
self.wait(4)
return pack_links
def _get_cipher_params(self, cnl2_form):
#: Get jk
jk_re = self.CNL2_FORMINPUT_PATTERN % self.CNL2_JK_KEY
vjk = re.findall(jk_re, cnl2_form, re.I)
#: Get crypted
crypted_re = self.CNL2_FORMINPUT_PATTERN % RelinkUs.CNL2_CRYPTED_KEY
vcrypted = re.findall(crypted_re, cnl2_form, re.I)
#: Log and return
self.log_debug("Detected %d crypted blocks" % len(vcrypted))
return vcrypted, vjk
def _get_links(self, crypted, jk):
#: Get key
jreturn = self.js.eval("%s f()" % jk)
self.log_debug("JsEngine returns value [%s]" % jreturn)
key = binascii.unhexlify(jreturn)
#: Decrypt
Key = key
IV = key
obj = Crypto.Cipher.AES.new(Key, Crypto.Cipher.AES.MODE_CBC, IV)
text = obj.decrypt(crypted.decode('base64'))
#: Extract links
text = text.replace("\x00", "").replace("\r", "")
links = filter(bool, text.split('\n'))
#: Log and return
self.log_debug("Package has %d links" % len(links))
return links