def login(self):
password_aes = prepare_key(str_to_a32(self.password))
del self.password
uh = stringhash(self.email.lower(), password_aes)
res = self.api_req({'a': 'us', 'user': self.email, 'uh': uh})
enc_master_key = base64_to_a32(res['k'])
self.master_key = decrypt_key(enc_master_key, password_aes)
if 'tsid' in res:
tsid = base64urldecode(res['tsid'])
if a32_to_str(encrypt_key(str_to_a32(tsid[:16]), self.master_key)) == tsid[-16:]:
self.sid = res['tsid']
elif 'csid' in res:
enc_rsa_priv_key = base64_to_a32(res['privk'])
rsa_priv_key = decrypt_key(enc_rsa_priv_key, self.master_key)
privk = a32_to_str(rsa_priv_key)
self.rsa_priv_key = [0, 0, 0, 0]
for i in xrange(4):
l = ((ord(privk[0]) * 256 + ord(privk[1]) + 7) / 8) + 2
self.rsa_priv_key[i] = mpi2int(privk[:l])
privk = privk[l:]
enc_sid = mpi2int(base64urldecode(res['csid']))
decrypter = RSA.construct((self.rsa_priv_key[0] * self.rsa_priv_key[1], 0L, self.rsa_priv_key[2], self.rsa_priv_key[0], self.rsa_priv_key[1]))
sid = '%x' % decrypter.key._decrypt(enc_sid)
sid = binascii.unhexlify('0' + sid if len(sid) % 2 else sid)
self.sid = base64urlencode(sid[:43])
def login(self):
password_aes = prepare_key(str_to_a32(self.password))
del self.password
uh = stringhash(self.email.lower(), password_aes)
res = self.api_req({'a': 'us', 'user': self.email, 'uh': uh})
enc_master_key = base64_to_a32(res['k'])
self.master_key = decrypt_key(enc_master_key, password_aes)
if 'tsid' in res:
tsid = base64urldecode(res['tsid'])
if a32_to_str(encrypt_key(str_to_a32(tsid[:16]),
self.master_key)) == tsid[-16:]:
self.sid = res['tsid']
elif 'csid' in res:
enc_rsa_priv_key = base64_to_a32(res['privk'])
rsa_priv_key = decrypt_key(enc_rsa_priv_key, self.master_key)
privk = a32_to_str(rsa_priv_key)
self.rsa_priv_key = [0, 0, 0, 0]
for i in xrange(4):
l = ((ord(privk[0]) * 256 + ord(privk[1]) + 7) / 8) + 2
self.rsa_priv_key[i] = mpi2int(privk[:l])
privk = privk[l:]
enc_sid = mpi2int(base64urldecode(res['csid']))
decrypter = RSA.construct(
(self.rsa_priv_key[0] * self.rsa_priv_key[1], 0L,
self.rsa_priv_key[2], self.rsa_priv_key[0],
self.rsa_priv_key[1]))
sid = '%x' % decrypter.key._decrypt(enc_sid)
sid = binascii.unhexlify('0' + sid if len(sid) % 2 else sid)
self.sid = base64urlencode(sid[:43])
def processfile(self, file, users_keys):
if file['t'] == 0 or file['t'] == 1:
keys = dict(keypart.split(':',1) for keypart in file['k'].split('/'))
uid = file['u']
key = None
if uid in keys :
# normal file or folder
key = decrypt_key(base64_to_a32( keys[uid] ), self.master_key)
elif 'su' in file and 'sk' in file and ':' in file['k']:
# Shared folder
user_key = decrypt_key(base64_to_a32(file['sk']),self.master_key)
key = decrypt_key(base64_to_a32(keys[file['h']]),user_key)
if file['su'] not in users_keys :
users_keys[file['su']] = {}
users_keys[file['su']][file['h']] = user_key
elif file['u'] and file['u'] in users_keys :
# Shared file
for hkey in users_keys[file['u']] :
user_key = users_keys[file['u']][hkey]
if hkey in keys :
key = keys[hkey]
key = decrypt_key(base64_to_a32(key),user_key)
break
if key is not None :
if file['t'] == 0:
k = file['k'] = (key[0] ^ key[4], key[1] ^ key[5], key[2] ^ key[6], key[3] ^ key[7])
iv = file['iv'] = key[4:6] + (0, 0)
meta_mac = file['meta_mac'] = key[6:8]
else:
k = file['k'] = key
attributes = base64urldecode(file['a'])
attributes = dec_attr(attributes, k)
file['a'] = attributes
elif file['t'] == 2:
self.root_id = file['h']
file['a'] = {'n': 'Cloud Drive'}
elif file['t'] == 3:
self.inbox_id = file['h']
file['a'] = {'n': 'Inbox'}
elif file['t'] == 4:
self.trashbin_id = file['h']
file['a'] = {'n': 'Rubbish Bin'}
return file
def processfile(self, file):
if file['t'] == 0 or file['t'] == 1:
key = file['k'][file['k'].index(':') + 1:]
key = decrypt_key(base64_to_a32(key), self.master_key)
if file['t'] == 0:
k = file['k'] = (key[0] ^ key[4], key[1] ^ key[5], key[2] ^ key[6], key[3] ^ key[7])
iv = file['iv'] = key[4:6] + (0, 0)
meta_mac = file['meta_mac'] = key[6:8]
else:
k = file['k'] = key
attributes = base64urldecode(file['a'])
attributes = dec_attr(attributes, k)
file['a'] = attributes
elif file['t'] == 2:
self.root_id = file['h']
file['a'] = {'n': 'Cloud Drive'}
elif file['t'] == 3:
self.inbox_id = file['h']
file['a'] = {'n': 'Inbox'}
elif file['t'] == 4:
self.trashbin_id = file['h']
file['a'] = {'n': 'Rubbish Bin'}
return file
def processfile(self, file):
if file['t'] == 0 or file['t'] == 1:
key = file['k'][file['k'].index(':') + 1:]
key = decrypt_key(base64_to_a32(key), self.master_key)
if file['t'] == 0:
k = file['k'] = (key[0] ^ key[4], key[1] ^ key[5],
key[2] ^ key[6], key[3] ^ key[7])
iv = file['iv'] = key[4:6] + (0, 0)
meta_mac = file['meta_mac'] = key[6:8]
else:
k = file['k'] = key
attributes = base64urldecode(file['a'])
attributes = dec_attr(attributes, k)
file['a'] = attributes
elif file['t'] == 2:
self.root_id = file['h']
file['a'] = {'n': 'Cloud Drive'}
elif file['t'] == 3:
self.inbox_id = file['h']
file['a'] = {'n': 'Inbox'}
elif file['t'] == 4:
self.trashbin_id = file['h']
file['a'] = {'n': 'Rubbish Bin'}
return file
def base64_to_a32(s):
return str_to_a32(base64urldecode(s))
def base64_to_a32(s):
return str_to_a32(base64urldecode(s))
