def _decryptV1(self):
from sjcl import SJCL
from json import loads as json_decode
password = self.__preparePassKey()
cipher_text = json_decode(self._data['data'])
if self._debug: print("Text:\t{}\n".format(cipher_text))
text = SJCL().decrypt(cipher_text, password)
if len(text):
if self._debug: print("Decoded Text:\t{}\n".format(text))
self._text = self.__decompress(text.decode())
if 'attachment' in self._data and 'attachmentname' in self._data:
cipherfile = json_decode(self._data['attachment'])
cipherfilename = json_decode(self._data['attachmentname'])
if self._debug:
print("Name:\t{}\nData:\t{}".format(cipherfilename,
cipherfile))
attachment = SJCL().decrypt(cipherfile, password)
attachmentname = SJCL().decrypt(cipherfilename, password)
self._attachment = self.__decompress(
attachment.decode('utf-8')).decode('utf-8')
self._attachment_name = self.__decompress(
attachmentname.decode('utf-8')).decode('utf-8')
def decrypt(self):
from json import loads as json_decode
if self._version == 2:
iv = b64decode(self._data['adata'][0][0])
salt = b64decode(self._data['adata'][0][1])
key = self.__deriveKey(salt)
# Get compression type from received paste
self._compression = self._data['adata'][0][7]
cipher = self.__initializeCipher(key, iv, self._data['adata'])
# Cut the cipher text into message and tag
cipher_text_tag = b64decode(self._data['ct'])
cipher_text = cipher_text_tag[:-CIPHER_TAG_BYTES]
cipher_tag = cipher_text_tag[-CIPHER_TAG_BYTES:]
cipher_message = json_decode(
self.__decompress(
cipher.decrypt_and_verify(cipher_text,
cipher_tag)).decode())
self._text = cipher_message['paste'].encode()
if 'attachment' in cipher_message and 'attachment_name' in cipher_message:
self._attachment = cipher_message['attachment']
self._attachment_name = cipher_message['attachment_name']
else:
from hashlib import sha256
from sjcl import SJCL
if self._password:
digest = sha256(self._password.encode("UTF-8")).hexdigest()
password = b64encode(self._key) + digest.encode("UTF-8")
else:
password = b64encode(self._key)
cipher_text = json_decode(self._data['data'])
if self._debug: print("Text:\t{}\n".format(data))
text = SJCL().decrypt(cipher_text, password)
if len(text):
self._text = self.__decompress(text.decode())
if 'attachment' in self._data and 'attachmentname' in self._data:
cipherfile = json_decode(self._data['attachment'])
cipherfilename = json_decode(self._data['attachmentname'])
if self._debug:
print("Name:\t{}\nData:\t{}".format(
cipherfilename, cipherfile))
attachment = SJCL().decrypt(cipherfile, password)
attachmentname = SJCL().decrypt(cipherfilename, password)
self._attachment = self.__decompress(
attachment.decode('utf-8')).decode('utf-8')
self._attachment_name = self.__decompress(
attachmentname.decode('utf-8')).decode('utf-8')
def get(args, api_client):
pasteid, passphrase = args.pasteinfo.split("#")
if pasteid and passphrase:
if args.debug: print("PasteID:\t{}\nPassphrase:\t{}".format(pasteid, passphrase))
if args.password:
digest = hashlib.sha256(args.password.encode("UTF-8")).hexdigest()
password = passphrase + digest.encode("UTF-8")
else:
password = passphrase
if args.debug: print("Password:\t{}".format(password))
result = api_client.get(pasteid)
else:
print("PBinCLI error: Incorrect request")
sys.exit(1)
if args.debug: print("Response:\t{}\n".format(result))
try:
result = json.loads(result)
except ValueError as e:
print("PBinCLI Error: {}".format(e))
sys.exit(1)
if 'status' in result and not result['status']:
print("Paste received! Text inside:")
data = json.loads(result['data'])
if args.debug: print("Text:\t{}\n".format(data))
text = SJCL().decrypt(data, password)
print("{}\n".format(decompress(text.decode())))
check_writable("paste.txt")
with open("paste.txt", "wb") as f:
f.write(decompress(text.decode()))
f.close
if 'attachment' in result and 'attachmentname' in result:
print("Found file, attached to paste. Decoding it and saving")
cipherfile = json.loads(result['attachment'])
cipherfilename = json.loads(result['attachmentname'])
if args.debug: print("Name:\t{}\nData:\t{}".format(cipherfilename, cipherfile))
attachmentf = SJCL().decrypt(cipherfile, password)
attachmentname = SJCL().decrypt(cipherfilename, password)
attachment = decompress(attachmentf.decode('utf-8')).decode('utf-8').split(',', 1)[1]
file = b64decode(attachment)
filename = decompress(attachmentname.decode('utf-8')).decode('utf-8')
print("Filename:\t{}\n".format(filename))
check_writable(filename)
with open(filename, "wb") as f:
f.write(file)
f.close
if 'burnafterreading' in result['meta'] and result['meta']['burnafterreading']:
print("Burn afrer reading flag found. Deleting paste...")
result = api_client.delete(pasteid, 'burnafterreading')
if args.debug: print("Delete response:\t{}\n".format(result))
try:
result = json.loads(result)
except ValueError as e:
print("PBinCLI Error: {}".format(e))
sys.exit(1)
if 'status' in result and not result['status']:
print("Paste successfully deleted!")
elif 'status' in result and result['status']:
print("Something went wrong...\nError:\t\t{}".format(result['message']))
sys.exit(1)
else:
print("Something went wrong...\nError: Empty response.")
sys.exit(1)
elif 'status' in result and result['status']:
print("Something went wrong...\nError:\t\t{}".format(result['message']))
sys.exit(1)
else:
print("Something went wrong...\nError: Empty response.")
sys.exit(1)
# def __str__(self):
# return json.dumps(self)
# text = mydict(text)
for key in text:
if key == 'salt' or key == 'ct' or key == 'iv':
text[key] = text[key].encode('ascii')
# print(text)
# text = {"salt": "1sMrwmhD9uo=", "iter": 10000, "ks": 128, "ct": "IY3k1LcEUSQ=", "iv": "JReeuzEISWe1PjLzNCLMXw==", "cipher": "aes", "mode": "ccm", "adata": "", "v": 1, "ts": 64}
dec = SJCL().decrypt(text, 'shared_secret')
# dec = dec.decode('ascii')
# dec = base64.b64decode(dec)
# dec = base64.decodebytes(dec)
# dec = ('data:text/plain;base64,') + dec
dec = base64.b64decode(dec)
# dec = base64.b64decode('data:image/jpeg;base64,') + dec
dec = dec.decode('ascii')
# prepend_info = 'data:image/jpeg;base64'
# dec = base64.decodebytes(dec)
#output file
# print(dec)
f.write(dec)
f.close()
print(green + "done" + end_c)
except () as e:
print(red + "Error connecting: {}".format(e) + end_c)
except requests.exceptions.HTTPError as e:
print(red + 'HTTP error: {}'.format(e) + end_c)
except requests.exceptions.RequestException as e:
print(red + 'Connection Error: {}'.format(e) + end_c)
client.close()
