def decrypt(file):
key = 'ay$a5%&j'
IV = 'abc@9879'
PBKDF2_key = '0THISISOBmodedByForlaxNIGGAs'
file_content = file.read()
body = re.search('"Body": "(\w+)"', file_content)
if body is None:return -1
else:body = body.group(1)
des_object = DES.new(key, DES.MODE_CBC, IV)
array = []
for i in range(int(len(body)/2)):
array.append(binascii.unhexlify(body[i*2:i*2+2]))
string = base64.b64decode(b''.join(array))
b64 = des_object.decrypt(string).replace(b'\x04', b'')
e2b = base64.b64decode(b64)
data = re.search(b'x0;(.*?)0;x', e2b).group(1)
array = base64.b64decode(data)
salt = array[:32]
IV = array[32:64]
array2 = array[64:]
bytesl = PBKDF2(PBKDF2_key,salt,32, 1000)
rijndael_cbc = RijndaelCbc(
key=bytesl,
iv=IV,
padding=ZeroPadding(32),
block_size=32
)
return rijndael_cbc.decrypt(array2).decode()
def generate_callback_data(
amount=100,
sale_order_id=1,
ref_id=1,
res_code=1,
res_message=1,
pay_gate_trans_id=1,
rrn=1,
last_four_digit_of_pan=1,
):
rijndael = RijndaelCbc(
key=base64.b64decode(config["key"]),
iv=base64.b64decode(config["iv"]),
padding=Pkcs7Padding(32),
block_size=32,
)
data_array = [
str(amount), # Transaction amount
str(sale_order_id), # Transaction Order ID
str(ref_id), # Transaction ID
str(res_code), # Result Code
str(res_message), # Result Message
str(pay_gate_trans_id), # Transaction inquiry id
str(rrn), # Bank Reference ID
str(last_four_digit_of_pan), # Last four digits of payer card ID
]
return {
"ReturningParams":
base64.b64encode(rijndael.encrypt(",".join(data_array).encode()))
}
def decrypt(self, encText, previouslyProcessedData=None):
if previouslyProcessedData is None:
l = len(self.oldDecrypt)
if l % BLOCK_SIZE == 0:
previouslyProcessedData = l
else:
previouslyProcessedData = int(BLOCK_SIZE *
math.floor(l / BLOCK_SIZE))
#print previouslyProcessedData
# previouslyProcessedData was passed by the parent: it means that a frame was decoded and there was some data left. This does not include the padding zeros
if previouslyProcessedData % BLOCK_SIZE != 0:
previouslyProcessedData = int(
BLOCK_SIZE * math.ceil(previouslyProcessedData / BLOCK_SIZE))
remainingData = self.oldDecrypt[previouslyProcessedData:]
if self.oldDecrypt != b'':
self.decryptIV = self.oldDecrypt[
previouslyProcessedData - BLOCK_SIZE:previouslyProcessedData]
self.oldDecrypt = encText # save current block
toDecrypt = truncate_multiple(remainingData + encText, BLOCK_SIZE)
decryptor = RijndaelCbc(self.key,
self.decryptIV,
padding=ZeroPadding(BLOCK_SIZE),
block_size=BLOCK_SIZE)
return decryptor.decrypt(toDecrypt)
def decrypt(key, block_size, cipher_message):
"""
AES
key,iv are the same
mode cbc
pkcs7
:param key:
:param content:
:return:
"""
kc = key['kc']
iv = key['iv']
ciphertext = cipher_message['ciphertext']
rijndael_cbc = RijndaelCbc(
key=kc, # if it is a string we can use base64.b64decode(key),
iv=iv,
padding=ZeroPadding(block_size),
block_size=block_size
)
return rijndael_cbc.decrypt(ciphertext)
def decrypt(self,
encrypted_data,
previously_processed_data_index=None) -> bytes:
if previously_processed_data_index is None:
length = len(self.old_decrypt)
if length % self.BLOCK_SIZE == 0:
previously_processed_data_index = length
else:
previously_processed_data_index = int(
self.BLOCK_SIZE * math.floor(length / self.BLOCK_SIZE))
if previously_processed_data_index % self.BLOCK_SIZE != 0:
previously_processed_data_index = int(
self.BLOCK_SIZE *
math.ceil(previously_processed_data_index / self.BLOCK_SIZE))
remaining_data = self.old_decrypt[previously_processed_data_index:]
if self.old_decrypt != '':
self.decrypt_init_vector = self.old_decrypt[
previously_processed_data_index -
self.BLOCK_SIZE:previously_processed_data_index]
self.old_decrypt = encrypted_data
cbc = RijndaelCbc(key=self.key,
iv=self.decrypt_init_vector,
padding=ZeroPadding(self.BLOCK_SIZE),
block_size=self.BLOCK_SIZE)
decrypt = cbc.decrypt(encrypted_data)
return decrypt
def __init__(self, config):
super().__init__(config)
self.rijndael = RijndaelCbc(
key=base64.b64decode(config["key"]),
iv=base64.b64decode(config["iv"]),
padding=Pkcs7Padding(32),
block_size=32,
)
def encrypt(self, plainText):
encryptor = RijndaelCbc(self.key,
self.encryptIV,
padding=ZeroPadding(BLOCK_SIZE),
block_size=BLOCK_SIZE)
encText = encryptor.encrypt(plainText)
self.encryptIV = encText[-BLOCK_SIZE:]
return encText
def encrypt(iv, key, block_size, plaintext):
rijndael_cbc = RijndaelCbc(
key=key, # if it is a string we can use base64.b64decode(key),
iv=iv,
padding=ZeroPadding(block_size),
block_size=block_size)
ciphertext = rijndael_cbc.encrypt(plaintext)
return ciphertext
def encrypt(self, plain_data: Union[str, bytes]) -> bytes:
if isinstance(plain_data, str):
plain_data = bytes(plain_data, encoding="latin_1")
cbc = RijndaelCbc(key=self.key,
iv=self.encrypt_init_vector,
padding=ZeroPadding(self.BLOCK_SIZE),
block_size=self.BLOCK_SIZE)
encrypted_data = cbc.encrypt(plain_data)
self.encrypt_init_vector = encrypted_data[-self.BLOCK_SIZE:]
return encrypted_data
def encrypt(key, block_size, plaintext):
iv = key['iv']
kc = key['kc']
ki = key['ki']
rijndael_cbc = RijndaelCbc(
key=ki, # if it is a string we can use base64.b64decode(key),
iv=iv,
padding=ZeroPadding(block_size),
block_size=block_size)
MAC = rijndael_cbc.encrypt(plaintext)[-block_size:]
return MAC
async def from_submission(cls, base: str, iv: str, pw: str,
ver: str) -> Optional['Score']:
rijndael = RijndaelCbc( # much better f**k one liners
key=f'osu!-scoreburgr---------{ver}',
iv=b64decode(iv),
padding=Pkcs7Padding(32),
block_size=32)
data = rijndael.decrypt(b64decode(base)).decode().split(':')
self = cls()
self.map = await Beatmap.from_md5(data[0])
if (u := await glob.players.get(name=data[1].rstrip())) and u.pw == pw:
self.user = u
def decrypt(iv, key, block_size, ciphertext):
"""
AES
key,iv are the same
mode cbc
pkcs7
:param key:
:param content:
:return:
"""
rijndael_cbc = RijndaelCbc(
key=key, # if it is a string we can use base64.b64decode(key),
iv=iv,
padding=ZeroPadding(block_size),
block_size=block_size)
return rijndael_cbc.decrypt(ciphertext)
async def from_submission(cls, data_enc: str, iv: str, osu_ver: str,
phash: str) -> None:
"""Create a score object from an osu! submission string."""
cbc = RijndaelCbc(f'osu!-scoreburgr---------{osu_ver}',
iv=base64.b64decode(iv).decode('latin_1'),
padding=ZeroPadding(32),
block_size=32)
data = cbc.decrypt(
base64.b64decode(data_enc).decode('latin_1')).decode().split(':')
if len(data) != 18:
plog('Received an invalid score submission.', Ansi.LRED)
return
s = cls()
if len(map_md5 := data[0]) != 32:
return
def test_rijndael_cbc(self) -> None:
key = "qBS8uRhEIBsr8jr8vuY9uUpGFefYRL2HSTtrKhaI1tk="
iv = "kByhT6PjYHzJzZfXvb8Aw5URMbQnk6NM+g3IV5siWD4="
rijndael_cbc = RijndaelCbc(
key=base64.b64decode(key),
iv=base64.b64decode(iv),
padding=Pkcs7Padding(32),
block_size=32,
)
with open(Path(__file__).parent / "lorem_ipsum.txt", "rb") as f:
plain_text = f.read()
TIMES = 100
start_time = time.perf_counter()
for _ in range(TIMES):
cipher = rijndael_cbc.encrypt(plain_text)
plain_text = rijndael_cbc.decrypt(cipher)
end_time = time.perf_counter()
print(f"\n{TIMES} encryptions in {end_time - start_time:.2f} seconds")
async def from_submission(cls, data_b64: str, iv_b64: str,
osu_ver: str, pw_md5: str) -> Optional['Score']:
"""Create a score object from an osu! submission string."""
iv = b64decode(iv_b64).decode('latin_1')
data_aes = b64decode(data_b64).decode('latin_1')
aes_key = f'osu!-scoreburgr---------{osu_ver}'
aes = RijndaelCbc(aes_key, iv, ZeroPadding(32), 32)
# score data is delimited by colons (:).
data = aes.decrypt(data_aes).decode().split(':')
if len(data) != 18:
log('Received an invalid score submission.', Ansi.LRED)
return
s = cls()
if len(map_md5 := data[0]) != 32:
return
def decrypt(file):
file_content = file.read()
body = re.search('"Body": "(\w+)"', file_content)
if body is None:
try:
e2b = base64.b64decode(file_content)
data = re.search(b'0x;(.*?)x;0', e2b).group(1)
array = base64.b64decode(data)
salt, IV, array2 = getKeys(array)
bytesl = PBKDF2(NEW_PBKDF2_key, salt, 32, 1000)
rijndael_cbc = RijndaelCbc(key=bytesl,
iv=IV,
padding=ZeroPadding(32),
block_size=32)
return rijndael_cbc.decrypt(array2).decode()
except binascii.Error:
return -1
else:
body = body.group(1)
des_object = DES.new(static_key, DES.MODE_CBC, static_IV)
array = []
for i in range(int(len(body) / 2)):
array.append(binascii.unhexlify(body[i * 2:i * 2 + 2]))
string = base64.b64decode(b''.join(array))
b64 = des_object.decrypt(string).replace(b'\x04', b'')
e2b = base64.b64decode(b64)
data = re.search(b'x0;(.*?)0;x', e2b).group(1)
array = base64.b64decode(data)
salt, IV, array2 = getKeys(array)
bytesl = PBKDF2(OLD_PBKDF2_key, salt, 32, 1000)
rijndael_cbc = RijndaelCbc(key=bytesl,
iv=IV,
padding=ZeroPadding(32),
block_size=32)
return rijndael_cbc.decrypt(array2).decode()
def test_rijndael_cbc(self):
key = 'qBS8uRhEIBsr8jr8vuY9uUpGFefYRL2HSTtrKhaI1tk='
iv = 'kByhT6PjYHzJzZfXvb8Aw5URMbQnk6NM+g3IV5siWD4='
rijndael_cbc = RijndaelCbc(key=base64.b64decode(key),
iv=base64.b64decode(iv),
padding=ZeroPadding(32),
block_size=32)
plain_text = b'Mahdi'
padded_text = plain_text.ljust(32, b'\x1b')
cipher = rijndael_cbc.encrypt(padded_text)
cipher_text = base64.b64encode(cipher)
self.assertEqual(cipher_text,
b'1KGc0PMt52Xbell+2y9qDJJp/Yy6b1JR1JWI3f9ALF4=')
self.assertEqual(rijndael_cbc.decrypt(cipher), padded_text)
# Long blocks
plain_text = b'lorem' * 50
padded_text = plain_text.ljust(32, b'\x1b')
cipher = rijndael_cbc.encrypt(padded_text)
self.assertEqual(rijndael_cbc.decrypt(cipher), padded_text)
async def from_submission(cls, data_b64: str, iv_b64: str, osu_ver: str,
pw_md5: str) -> Optional['Score']:
"""Create a score object from an osu! submission string."""
aes = RijndaelCbc(key=f'osu!-scoreburgr---------{osu_ver}',
iv=b64decode(iv_b64),
padding=Pkcs7Padding(32),
block_size=32)
# score data is delimited by colons (:).
data = aes.decrypt(b64decode(data_b64)).decode().split(':')
if len(data) != 18:
log('Received an invalid score submission.', Ansi.LRED)
return
s = cls()
if len(data[0]) != 32 or len(data[2]) != 32:
return
map_md5 = data[0]
pname = data[1].rstrip() # rstrip 1 space if client has supporter
s.online_checksum = data[2]
# get the map & player for the score.
s.bmap = await Beatmap.from_md5(map_md5)
s.player = await glob.players.get_login(pname, pw_md5)
if not s.player:
# return the obj with an empty player to
# determine whether the score failed to
# be parsed vs. the user could not be found
# logged in (we want to not send a reply to
# the osu! client if they're simply not logged
# in, so that it will retry once they login).
return s
# XXX: unused idx 2: online score checksum
# perhaps will use to improve security at some point?
# ensure all ints are safe to cast.
if not all(map(str.isdecimal, data[3:11] + [data[13], data[15]])):
log('Invalid parameter passed into submit-modular.', Ansi.LRED)
return
(s.n300, s.n100, s.n50, s.ngeki, s.nkatu, s.nmiss, s.score,
s.max_combo) = map(int, data[3:11])
s.perfect = data[11] == 'True'
_grade = data[12] # letter grade
s.mods = Mods(int(data[13]))
s.passed = data[14] == 'True'
s.mode = GameMode.from_params(int(data[15]), s.mods)
s.play_time = datetime.now() # TODO: use data[16]
s.client_flags = ClientFlags(data[17].count(' ') & ~4)
s.grade = Grade.from_str(_grade) if s.passed else Grade.F
# all data read from submission.
# now we can calculate things based on our data.
s.calc_accuracy()
if s.bmap:
osu_file_path = BEATMAPS_PATH / f'{s.bmap.id}.osu'
if await ensure_local_osu_file(osu_file_path, s.bmap.id,
s.bmap.md5):
s.pp, s.sr = s.calc_diff(osu_file_path)
if s.passed:
await s.calc_status()
if s.bmap.status != RankedStatus.Pending:
s.rank = await s.calc_lb_placement()
else:
s.status = SubmissionStatus.FAILED
else:
s.pp = s.sr = 0.0
if s.passed:
s.status = SubmissionStatus.SUBMITTED
else:
s.status = SubmissionStatus.FAILED
return s
class AsanPardakhtGateway(Gateway):
"""
Irankish
TODO: transaction.pan not implemented
Home: http://asanpardakht.ir/
Documentation: http://asanpardakht.ir/ipgdownload/ipgdoc.pdf
"""
__gateway_name__ = 'asan_pardakht'
__gateway_unit__ = 'IRR'
__config_params__ = [
'key', 'iv', 'username', 'password', 'merchant_config_id',
'callback_url', 'proxies'
]
_server_url = 'https://services.asanpardakht.net/paygate/merchantservices.asmx?WSDL'
def __init__(self, config):
super().__init__(config)
self.rijndael = RijndaelCbc(key=base64.b64decode(config['key']),
iv=base64.b64decode(config['iv']),
padding=Pkcs7Padding(32),
block_size=32)
def _get_request_payload(self,
transaction: Transaction,
additional_data: str = '',
accounts: List[Tuple[str, str]] = None):
"""
Get request payload
:param transaction:
:param additional_data:
:param accounts: More (Shaba) accounts, Maximum 7 accounts can use.
eg: [('shaba1', '100'), ('shaba2', '200'))]
:return:
"""
accounts = [n for account in accounts
for n in account] if accounts else []
return [
'1',
self.config['username'],
self.config['password'],
str(transaction.order_id),
str(transaction.amount),
datetime.now().strftime('%Y%m%d %I%M%S'),
additional_data, # Additional data maximum length is 100 characters
self.config['callback_url'],
'0' # Payment id (optional)
] + accounts
def _get_encrypted_request(self, transaction: Transaction):
return base64.b64encode(
self.rijndael.encrypt(','.join(
self._get_request_payload(transaction)).encode()))
def _parse_callback_data(self, data: dict):
data = self.rijndael.decrypt(base64.b64decode(
data['ReturningParams'])).decode()
exploded_data = data.split(',')
return dict(
amount=exploded_data[0], # Transaction amount
sale_order_id=exploded_data[1], # Transaction Order ID
ref_id=exploded_data[2], # Transaction ID
res_code=exploded_data[3], # Result Code
res_message=exploded_data[4], # Result Message
pay_gate_trans_id=exploded_data[5], # Transaction inquiry id
rrn=exploded_data[6], # Bank Reference ID
last_four_digit_of_pan=exploded_data[
7], # Last four digits of payer card ID
)
@property
def _encrypted_credentials(self):
return base64.b64encode(
self.rijndael.encrypt(','.join(
[self.config['username'], self.config['password']]).encode()))
def get_redirection(self, transaction) -> Redirection:
return Redirection(url='https://asan.shaparak.ir/',
body_params=dict(RefId=transaction.id,
RedirctToIPGFORM='true'),
method='post')
def request_transaction(self, transaction: Transaction) -> Transaction:
client = Client(self._server_url)
if 'proxies' in self.config:
client.transport.session.proxies = self.config['proxies']
try:
params = {
'merchantConfigurationID': self.config['merchant_config_id'],
'encryptedRequest': self._get_encrypted_request(transaction)
}
result = client.service.RequestOperation(**params)
if not result:
raise TransactionError('AsanPardakht: invalid information.')
if result[0:1] == '0':
exploded_result = str(result).split(
',') # Should have two part [XX,YY]
transaction.id = exploded_result[1]
else:
raise TransactionError(
'AsanPardakht: invalid information. code: %s' %
str(result))
except zeep_exceptions.Fault:
raise TransactionError('AsanPardakht: invalid information.')
except zeep_exceptions.Error:
raise GatewayNetworkError
return transaction
def validate_transaction(self, data: dict) -> Transaction:
parsed_data = self._parse_callback_data(data)
transaction = Transaction()
transaction.id = parsed_data['ref_id']
transaction.meta = parsed_data
if int(parsed_data['res_code']) == 0:
transaction.validate_status = True
return transaction
def verify_transaction(self, transaction: Transaction, data):
try:
parsed_data = self._parse_callback_data(data)
params = {
'merchantConfigurationID':
int(self.config['merchant_config_id']),
'encryptedCredentials': self._encrypted_credentials,
'payGateTranID': parsed_data['pay_gate_trans_id']
}
client = Client(self._server_url)
if 'proxies' in self.config:
client.transport.session.proxies = self.config['proxies']
verify_result = int(client.service.RequestVerification(**params))
if verify_result == 505:
raise TransactionAlreadyPaidError(
'AsanPardakht: transaction already verified')
elif verify_result != 500:
raise TransactionError(
'AsanPardakht: invalid transaction, %s' % verify_result)
reconcile_result = int(
client.service.RequestReconciliation(**params))
if reconcile_result != 600:
raise TransactionError(
'AsanPardakht: invalid transaction settlement, %s' %
reconcile_result)
except zeep_exceptions.Error:
raise GatewayNetworkError
return transaction