class CDMAClient(Client):
""" A CDMA client """
handlers = []
chip = ''
def __init__(self, name, host = 'localhost', port = 10000):
Client.__init__(self, host, port)
self.name = name
self.crypt = Crypt()
self.handlers = [self.socket, sys.stdin]
def run(self):
self.send(sys.argv[1])
self.chip = self.socket.recv(1024)
if self.chip == 'NNNN':
raise ValueError()
else:
print 'client ' + self.name + ' got chip ' + self.chip
while True:
readable, writeable, ex = select.select(self.handlers, [], [])
for r in readable:
if r == sys.stdin:
input = raw_input().split(' ')
self.socket.send(input[0])
addresseeChip = self.socket.recv(1024)
self.socket.send(self.crypt.encrypt(addresseeChip, input[1]))
else:
data = r.recv(1024)
print 'received: ' + self.crypt.decrypt(self.chip, data)
def write_config(config, config_file=""):
if len(config) < 3:
print("Error not enough config vars passed.")
exit()
if config_file == "":
file = open("/home/pi/fireball_camera/config.txt", "w")
else:
file = open(config_file, "w")
for key in config:
if key == 'cam_pwd':
try:
#We ecrypt the cam password if it is not crypted
c = Crypt()
temp = c.decrypt(config['cam_pwd'])
except:
config['cam_pwd'] = c.encrypt(config['cam_pwd'])
if key != 'IP':
if key == 'cam_ip' and config[key] == '192.168.1.88':
print("skip.")
else:
line = key + "=" + str(config[key]) + "\n"
file.write(line)
file.close()
print("Config written.")
def test_ed_cycle(self):
for pt, pph in d_values:
c = Crypt(pph)
u = c.encrypt(pt)
dc = c.decrypt(u)
print "assert equal: %s == %s" % (dc, str(pt))
self.assertEqual(dc, str(pt))
def encrypt_text(self, gui, password_entry):
textentry = self.get_current_textview(gui)
password = password_entry.get_text()
textbuffer = Gtk.TextBuffer()
textbuffer = textentry.get_buffer()
buffer_start = textbuffer.get_start_iter()
buffer_end = textbuffer.get_end_iter()
content = textbuffer.get_text(buffer_start, buffer_end, True)
key = password
Cipher = Crypt()
content_crypted = Cipher.encrypt(key, content)
try:
textbuffer.set_text(content_crypted)
textentry.set_buffer(textbuffer)
except TypeError:
print("Type Error")
def add_to_config(param,new_value):
#Read Current Config
if(param!='cam_pwd'):
config = read_config_raw();
logging.debug('Try to update the config file with ' + str(param) + ' = ' + str(new_value))
updated = 0;
#Loop throught config
for key in config:
if(key == param):
config[key] = new_value
updated = 1;
# In case the param doesnt exist yet in the config file
if(updated==0):
config[param] = new_value
logging.debug('The parameter ' + str(param) + ' didnt exist in config.txt')
# We rewrite the config file
# WARNING: we need to recrypt cam_pwd here as read_config_raw decrypt it
file = open("/home/pi/fireball_camera/config.txt", "w")
for key in config:
value = config[key]
if(key=='cam_pwd'):
c = Crypt()
value = c.encrypt(value)
if(key!='error'):
line = str(key) + "=" + str(value) + "\n"
file.write(line)
file.close()
else:
logging.error('We tried to update cam_pwd with add_to_config: IMPOSSIBLE')
def remove_from_config(param):
config = read_config_raw();
i=0
while i < len(param):
if(param[i] in config):
del config[param[i]]
i += 1
file = open("/home/pi/fireball_camera/config.txt", "w")
for key in config:
value = config[key]
if(key=='cam_pwd'):
c = Crypt()
value = c.encrypt(value)
line = str(key) + "=" + str(value) + "\n"
file.write(line)
file.close()
print('\n')
print(Fore.YELLOW + '!' + Style.RESET_ALL)
print(
Fore.YELLOW +
'Não se preocupe, não enviaremos essa informação para nenhum local, apenas será encriptada na sua máquina como cache.'
+ Style.RESET_ALL)
print(Fore.YELLOW + '!' + Style.RESET_ALL)
print('\n')
key_file = open('key.key', 'rb')
key = key_file.read()
key_file.close()
if not key:
c.generate_new_key()
c.encrypt(bearer_token)
else:
c.encrypt(bearer_token)
encrypted_token_file = open('token.txt', 'rb')
encrypted_token = encrypted_token_file.read()
encrypted_token_file.close()
if not encrypted_token:
print(f'{Fore.RED}Ocorreu um erro, tente novamente{Style.RESET_ALL}')
original_token = c.decrypt(encrypted_token)
else:
try:
original_token = c.decrypt(encrypted_token)
except Exception as err:
def get_assignments():
print(ascii_art.return_ascii())
print('Tentando encontrar o Bearer token...\n')
c = Crypt()
encrypted_token_file = open('token.txt', 'rb')
encrypted_token = encrypted_token_file.read()
encrypted_token_file.close()
if not encrypted_token:
print(
f'{Fore.YELLOW}Não conseguimos localizar seu token salvo em cache, digite manualmente{Style.RESET_ALL}'
)
print('Digite o seu bearer token do Teams: ')
bearer_token = str(input('')).strip()
print('\n')
print(Fore.YELLOW + '!' + Style.RESET_ALL)
print(
Fore.YELLOW +
'Não se preocupe, não enviaremos essa informação para nenhum local, apenas será encriptada na sua máquina como cache.'
+ Style.RESET_ALL)
print(Fore.YELLOW + '!' + Style.RESET_ALL)
print('\n')
key_file = open('key.key', 'rb')
key = key_file.read()
key_file.close()
if not key:
c.generate_new_key()
c.encrypt(bearer_token)
else:
c.encrypt(bearer_token)
encrypted_token_file = open('token.txt', 'rb')
encrypted_token = encrypted_token_file.read()
encrypted_token_file.close()
if not encrypted_token:
print(
f'{Fore.RED}Ocorreu um erro, tente novamente{Style.RESET_ALL}')
original_token = c.decrypt(encrypted_token)
else:
try:
original_token = c.decrypt(encrypted_token)
except Exception as err:
print(f'{Fore.RED}{err}{Style.RESET_ALL}')
clear_token()
exit()
print(
f'{Fore.BLUE}Seu token foi encontrado em cache!{Style.RESET_ALL}\n'
)
print('Pegando assignments... (Isso pode demorar alguns minutos)\n')
ts = TeamScrap(original_token)
try:
classes_assignments = ts.get_all_classes_assignments()
except Exception as err:
print(f'{Fore.RED}{err}{Style.RESET_ALL}\n')
print(
f'{Fore.RED}Verifique se o token não expirou ou está correto{Style.RESET_ALL}\n'
)
clear_token()
exit()
overdue_assignments = 0
print('=' * 100)
message = ""
for class_assignment in classes_assignments:
created_date_time = class_assignment['assignmentInfo'][
'createdDateTime']
[created_date_parsed,
created_hours_parsed] = parse_teams_date_time(created_date_time)
created_date_final = datetime(year=int(created_date_parsed[0]),
month=int(created_date_parsed[1]),
day=int(created_date_parsed[2]))
bimester_init_date = datetime(year=int(2021), month=int(2), day=int(1))
if created_date_final > bimester_init_date:
due_date_time = class_assignment['assignmentInfo']['dueDateTime']
[date_parsed, hours_parsed] = parse_teams_date_time(due_date_time)
date_init = datetime.now()
date_final = datetime(year=int(date_parsed[0]),
month=int(date_parsed[1]),
day=int(date_parsed[2]),
hour=int(hours_parsed[0]),
minute=int(hours_parsed[1]),
second=int(hours_parsed[2]))
date_final -= timedelta(hours=3)
[final_date_parsed,
final_hours_parsed] = parse_date_time(date_final)
remaining_date = date_final - date_init
remaining_date_parsed = str(remaining_date).split(',')
message += f"""\n\n📝 Tarefa: {class_assignment['assignmentInfo']['displayName']}
\n📚 Disciplina: {class_assignment["classInfo"][0]["name"]}
\n⏳ Data de entrega: {final_date_parsed[2]}/{final_date_parsed[1]}/{final_date_parsed[0]}
às {final_hours_parsed[0]}:{final_hours_parsed[1]}:{final_hours_parsed[2]}"""
if class_assignment['assignmentInfo'][
'allowLateSubmissions'] == 'true':
message += "\n⏰ Aceita atrasos: ✅SIM✅"
else:
message += "\n⏰ Aceita atrasos: ❌NÃO❌"
if len(remaining_date_parsed) > 1:
remaining_days = int(
remaining_date_parsed[0].strip().split(' ')[0])
remaining_hours = remaining_date_parsed[1].strip().split(':')
else:
remaining_hours = remaining_date_parsed[0].strip().split(':')
if int(remaining_days) < 0:
message += "\n⚙️ Status: ⌛️VENCIDA⌛️"
else:
message += "\n⚙️ Status: 🏃CORRE QUE DÁ TEMPO🏃"
message += "\n" + "=" * 10
else:
pass
return message
else:
logging.debug('cam_pwd does NOT exist in config.txt - we add it')
#Update the Cam Password via the cgi
fname = 'http://'+config['cam_ip']+'/cgi-bin/pwdgrp_cgi?action=update&user=admin&pwd=admin&username=admin&password='******'Updating the cam_pwd on the camera side:' + fname)
# Call to CGI
urllib.urlopen(fname)
# Encrypt the Cam Password to store it in the config file
try:
c = Crypt()
value = c.encrypt(value)
logging.debug('cam_pwd successfully encrypted')
# Write new pwd in config.txt
line = "cam_pwd=" + str(value) + "\n"
file.write(line)
except:
logging.error('IMPOSSIBLE to encrypted the following cam_pwd ' + str(value))
logging.debug('Config (ERROR) ' + str(config))
del tmp_config['new_cam_pwd']
logging.debug('Updating config.txt')
for key in tmp_config:
value = tmp_config[key]
class Backup:
"""Handles complete backup flow. Check if file exists orhas been modified.
Compresses, encrypts and uploads the file to th destination."""
db = None
job = None
compress = None
encrypt = None
def __init__(self, job, db):
self.job = job
self.db = db
self.archive = Archive()
self.crypt = Crypt()
def backup(self):
"""Start backup process."""
if not isdir(self.job['path']):
self._list_files(
None, dirname(self.job['path']), [basename(self.job['path']), ]
)
else:
walk(self.job['path'], self._list_files, None)
def _list_files(self, dir, basepath, files):
"""Callback for walker. Iterates over filelist, builds absolute path
and checks wheather to skip or upload the file."""
for file in files:
# absolute path
path = join(basepath, file)
# only work on files
if isfile(path) or (
not isdir(path) and self.job.has_key('pre_command')):
item = self.db.get_file(self.job['name'], path)
# file is not in db
if not item:
self._backup_file(path)
else:
# file exists in db, but has a different mtime
if isfile(path):
mtime = getmtime(path)
if int(item['mtime']) != int(mtime):
self._backup_file(path)
else:
self._backup_file(path)
def _execute_command(self, command):
"""Execute pre- or postcommand."""
if self.job.has_key(command):
try:
logging.info('[%s] Executing %s'
% (self.job['name'], self.job[command]))
system(self.job[command])
except:
logging.warn('[%s] Command failed %s'
% (self.job['name'], self.job[command]))
def _backup_file(self, path):
"""Back ups specific file to desired storage device."""
print('[%s] Starting backup for %s' % (self.job['name'], path))
# precommand
self._execute_command('pre_command')
# get size, mtime
file_info = self._file_info(path)
# get storeage wrapper
storage = self._get_account(self.job['destination'])
dest = join(tempfile.gettempdir(), 'umaticssync')
# is compression deired? bzip2 file
if self.job.has_key('compress') and self.job['compress'] == 'true':
logging.info('[%s] Compressing %s' % (self.job['name'], path))
self.archive.compress(path, dest)
old_dest = dest
compressed = 1
# is encryption desired? encrypt with user id
if self.job.has_key('encrypt') and self.job['encrypt']:
logging.info('[%s] Encrypting %s' % (self.job['name'], path))
self.crypt.encrypt(self.job['encrypt'], dest)
dest = dest + '.gpg'
remove(old_dest)
encrypted = 1
# add file/increase revision
info = self.db.add_file(
self.job['name'], path, file_info['mtime'], file_info['size'],
encrypted, compressed)
# build key and upload, cleanup
key = normpath('%s/%s.r%%s' % (self.job['name'], path))
logging.info('[%s] Uploading %s.r%s'
% (self.job['name'], path, info['revision']))
storage.store_file(key % info['revision'], dest)
remove(dest)
# cleanup old revisions
revision = int(info['revision']) - int(self.job['revisions'])
if revision >= 0:
print "del", key % revision
storage.del_file(key % revision)
# postcommand
self._execute_command('post_command')
def _file_info(self, path):
"""Returns size and mtime."""
return {'size': getsize(path), 'mtime': getmtime(path)}
def _get_account(self, uri):
"""Return storage engine object based on the provided URI string."""
uri = urlsplit(uri)
# s3 backend
if uri[0] == 's3':
a_key, s_key = uri[2][2:].split('@')[0].split(':')
bucket = uri[2][2:].split('@')[1]
from wrapper.S3Wrapper import S3Wrapper
return S3Wrapper(a_key, s_key, bucket)
# ftp server
elif uri[0] == 'ftp':
user, passwd = uri[2][2:].split('@')[0].split(':')
host = uri[2][2:].split('@')[1]
path = uri[2]
from wrapper.FTPWrapper import FTPWrapper
return FTPWrapper(host, user, passwd, path)
# @todo: implement
elif uri[0] == 'scp':
pass
# local storage backend
elif uri[0] == 'file':
path = uri[1]
from wrapper.FileWrapper import FileWrapper
return FileWrapper(path)
def restore(self, revision):
files = self.db.get_files(self.job['name'])
if len(files) == 0:
#logging.info('[%s] No files found for backup job')
return False
# get storage instance
storage = self._get_account(self.job['destination'])
# iterate thur files
for file in files:
try:
# is given revision in allowed range?
rev_diff = int(file['revision']) - int(self.job['revisions'])
if int(revision) in range(rev_diff, file['revision'] + 1):
rev = revision
else:
# fallback to latest file revision
rev = file['revision']
except:
rev = file['revision']
logging.info('[%s] Restoring %s.r%s'
% (self.job['name'], file['path'], rev))
# get file
key = normpath('%s/%s.r%s' % (self.job['name'], file['path'], rev))
dest = join(tempfile.gettempdir(), 'umaticssync')
logging.info('[%s] Downloading %s'
% (self.job['name'], file['path']))
storage.get_file(key, dest)
if file['encrypted'] == 1:
logging.info('[%s] Decrypting %s'
% (self.job['name'], file['path']))
self.crypt.decrypt(self.job['encrypt'], dest, dest)
if file['compressed'] == 1:
logging.info('[%S] Extracting %s'
% (self.job['name'], file['path']))
self.archive.extract(dest)
else:
rename(dest, file['path'])
class TransactionFactory(object):
def __init__(self,
config,
mongo,
block_height,
bulletin_secret='',
username='',
value=0,
fee=0.0,
requester_rid='',
requested_rid='',
public_key='',
dh_public_key='',
private_key='',
dh_private_key='',
to='',
inputs='',
outputs='',
coinbase=False,
chattext=None,
signin=None):
self.config = config
self.mongo = mongo
self.block_height = block_height
self.bulletin_secret = bulletin_secret
self.username = username
self.requester_rid = requester_rid
self.requested_rid = requested_rid
self.public_key = public_key
self.dh_public_key = dh_public_key
self.private_key = private_key
self.value = value
self.fee = float(fee)
self.dh_private_key = dh_private_key
self.to = to
self.time = str(int(time.time()))
self.outputs = []
for x in outputs:
self.outputs.append(Output.from_dict(x))
self.inputs = []
for x in inputs:
if 'signature' in x:
self.inputs.append(
ExternalInput.from_dict(self.config, self.mongo, x))
else:
self.inputs.append(Input.from_dict(x))
self.coinbase = coinbase
self.chattext = chattext
self.signin = signin
self.do_money()
inputs_concat = self.get_input_hashes()
outputs_concat = self.get_output_hashes()
if bulletin_secret:
self.rid = self.generate_rid()
if self.chattext:
self.relationship = json.dumps({"chatText": self.chattext})
self.cipher = Crypt(self.config.wif)
self.encrypted_relationship = self.cipher.encrypt(
self.relationship)
elif self.signin:
for shared_secret in TU.get_shared_secrets_by_rid(
self.config, self.mongo, self.rid):
self.relationship = SignIn(self.signin)
self.cipher = Crypt(shared_secret.encode('hex'),
shared=True)
self.encrypted_relationship = self.cipher.shared_encrypt(
self.relationship.to_json())
else:
if not self.dh_public_key or not self.dh_private_key:
a = os.urandom(32)
self.dh_public_key = scalarmult_base(a).encode('hex')
self.dh_private_key = a.encode('hex')
self.relationship = self.generate_relationship()
if not private_key:
raise BaseException('missing private key')
self.cipher = Crypt(self.config.wif)
self.encrypted_relationship = self.cipher.encrypt(
self.relationship.to_json())
else:
self.rid = ''
self.encrypted_relationship = ''
self.header = (self.public_key + self.time + self.dh_public_key +
self.rid + self.encrypted_relationship +
"{0:.8f}".format(self.fee) + self.requester_rid +
self.requested_rid + inputs_concat + outputs_concat)
self.hash = hashlib.sha256(self.header).digest().encode('hex')
if self.private_key:
self.transaction_signature = TU.generate_signature_with_private_key(
private_key, self.hash)
else:
self.transaction_signature = ''
self.transaction = self.generate_transaction()
def do_money(self):
my_address = str(
P2PKHBitcoinAddress.from_pubkey(self.public_key.decode('hex')))
input_txns = BU.get_wallet_unspent_transactions(
self.config, self.mongo, my_address)
miner_transactions = self.mongo.db.miner_transactions.find()
mtxn_ids = []
for mtxn in miner_transactions:
for mtxninput in mtxn['inputs']:
mtxn_ids.append(mtxninput['id'])
if self.inputs:
inputs = self.inputs
else:
inputs = []
for input_txn in input_txns:
if input_txn['id'] not in mtxn_ids:
if 'signature' in input_txn:
inputs.append(
ExternalInput.from_dict(self.config, self.mongo,
input_txn))
else:
inputs.append(Input.from_dict(input_txn))
input_sum = 0
if self.coinbase:
self.inputs = []
else:
if inputs:
needed_inputs = []
done = False
for y in inputs:
print y.id
txn = BU.get_transaction_by_id(self.config,
self.mongo,
y.id,
instance=True)
if isinstance(y, ExternalInput):
y.verify()
address = str(
P2PKHBitcoinAddress.from_pubkey(
txn.public_key.decode('hex')))
else:
address = my_address
for txn_output in txn.outputs:
if txn_output.to == address:
input_sum += txn_output.value
needed_inputs.append(y)
if input_sum >= (
sum([x.value
for x in self.outputs]) + self.fee):
done = True
break
if done == True:
break
if not done:
raise NotEnoughMoneyException('not enough money')
self.inputs = needed_inputs
else:
self.inputs = []
remainder = input_sum - (sum([x.value
for x in self.outputs]) + self.fee)
found = False
for x in self.outputs:
if my_address == x.to:
found = True
x.value += remainder
if not found:
return_change_output = Output(to=my_address, value=remainder)
self.outputs.append(return_change_output)
def get_input_hashes(self):
from fastgraph import FastGraph
input_hashes = []
for x in self.inputs:
txn = BU.get_transaction_by_id(self.config,
self.mongo,
x.id,
instance=True,
include_fastgraph=isinstance(
self, FastGraph))
input_hashes.append(str(txn.transaction_signature))
return ''.join(sorted(input_hashes, key=str.lower))
def get_output_hashes(self):
outputs_sorted = sorted([x.to_dict() for x in self.outputs],
key=lambda x: x['to'].lower())
return ''.join(
[x['to'] + "{0:.8f}".format(x['value']) for x in outputs_sorted])
def generate_rid(self):
my_bulletin_secret = self.config.get_bulletin_secret()
if my_bulletin_secret == self.bulletin_secret:
raise BaseException(
'bulletin secrets are identical. do you love yourself so much that you want a relationship on the blockchain?'
)
bulletin_secrets = sorted(
[str(my_bulletin_secret),
str(self.bulletin_secret)],
key=str.lower)
return hashlib.sha256(
str(bulletin_secrets[0]) +
str(bulletin_secrets[1])).digest().encode('hex')
def generate_relationship(self):
return Relationship(
dh_private_key=self.dh_private_key,
their_bulletin_secret=self.bulletin_secret,
their_username=self.username,
my_bulletin_secret=self.config.get_bulletin_secret(),
my_username=self.config.username)
def generate_transaction(self):
return Transaction(self.config,
self.mongo,
self.block_height,
self.time,
self.rid,
self.transaction_signature,
self.encrypted_relationship,
self.public_key,
self.dh_public_key,
float(self.fee),
self.requester_rid,
self.requested_rid,
self.hash,
inputs=[x.to_dict() for x in self.inputs],
outputs=[x.to_dict() for x in self.outputs],
coinbase=self.coinbase)
def generate_transaction_signature(self):
return TU.generate_signature(self.hash, self.private_key)
# Parse command from standard input
try:
reply = sys.stdin.readline()
except:
pass
if reply == 'exit\n':
return
# Set sequence number and identifier
icmp.set_icmp_id(icmp_id)
icmp.set_icmp_seq(seq_id)
# Include the command as data inside the ICMP packet
reply = reply.encode('utf8')
data = encryptor.encrypt(reply)
icmp.contains(ImpactPacket.Data(data))
# Calculate its checksum
icmp.set_icmp_cksum(0)
icmp.auto_checksum = 1
# Have the IP packet contain the ICMP packet (along with its payload)
ip.set_ip_src(client)
ip.set_ip_dst(server)
ip.contains(icmp)
# Send it to the target host
sock.sendto(ip.get_packet(), (server, 0))
if __name__ == '__main__':
class TransactionFactory(object):
def __init__(self,
bulletin_secret='',
username='',
value=0,
fee=0.0,
requester_rid='',
requested_rid='',
public_key='',
dh_public_key='',
private_key='',
dh_private_key='',
to='',
inputs='',
outputs='',
coinbase=False,
chattext=None,
signin=None):
self.bulletin_secret = bulletin_secret
self.username = username
self.requester_rid = requester_rid
self.requested_rid = requested_rid
self.public_key = public_key
self.dh_public_key = dh_public_key
self.private_key = private_key
self.value = value
self.fee = float(fee)
self.dh_private_key = dh_private_key
self.to = to
self.outputs = outputs or []
self.inputs = inputs
self.coinbase = coinbase
self.chattext = chattext
self.signin = signin
self.do_money()
inputs_concat = self.get_input_hashes()
outputs_concat = self.get_output_hashes()
if bulletin_secret:
self.rid = self.generate_rid()
if self.chattext:
self.relationship = json.dumps({"chatText": self.chattext})
elif self.signin:
for shared_secret in TU.get_shared_secrets_by_rid(self.rid):
self.relationship = SignIn(self.signin)
self.cipher = Crypt(shared_secret.encode('hex'),
shared=True)
self.encrypted_relationship = self.cipher.shared_encrypt(
self.relationship.to_json())
else:
self.relationship = self.generate_relationship()
if not private_key:
raise BaseException('missing private key')
self.cipher = Crypt(Config.wif)
self.encrypted_relationship = self.cipher.encrypt(
self.relationship.to_json())
else:
self.rid = ''
self.encrypted_relationship = ''
self.hash = hashlib.sha256(self.dh_public_key + self.rid +
self.encrypted_relationship +
"{0:.8f}".format(self.fee) +
self.requester_rid + self.requested_rid +
inputs_concat +
outputs_concat).digest().encode('hex')
self.transaction_signature = self.generate_transaction_signature()
self.transaction = self.generate_transaction()
def do_money(self):
Mongo.init()
my_address = str(
P2PKHBitcoinAddress.from_pubkey(self.public_key.decode('hex')))
input_txns = BU.get_wallet_unspent_transactions(my_address)
miner_transactions = Mongo.db.miner_transactions.find()
mtxn_ids = []
for mtxn in miner_transactions:
for mtxninput in mtxn['inputs']:
mtxn_ids.append(mtxninput['id'])
inputs = [
Input.from_dict(input_txn) for input_txn in input_txns
if input_txn['id'] not in mtxn_ids
]
input_sum = 0
if self.coinbase:
self.inputs = []
else:
needed_inputs = []
done = False
for y in inputs:
print y.id
txn = BU.get_transaction_by_id(y.id, instance=True)
for txn_output in txn.outputs:
if txn_output.to == my_address:
input_sum += txn_output.value
needed_inputs.append(y)
if input_sum >= (sum([x.value for x in self.outputs]) +
self.fee):
done = True
break
if done == True:
break
if not done:
raise NotEnoughMoneyException('not enough money')
self.inputs = needed_inputs
return_change_output = Output(
to=my_address,
value=input_sum - (sum([x.value
for x in self.outputs]) + self.fee))
self.outputs.append(return_change_output)
def get_input_hashes(self):
input_hashes = []
for x in self.inputs:
txn = BU.get_transaction_by_id(x.id, instance=True)
input_hashes.append(str(txn.transaction_signature))
return ''.join(sorted(input_hashes, key=str.lower))
def get_output_hashes(self):
outputs_sorted = sorted([x.to_dict() for x in self.outputs],
key=lambda x: x['to'].lower())
return ''.join(
[x['to'] + "{0:.8f}".format(x['value']) for x in outputs_sorted])
def generate_rid(self):
my_bulletin_secret = Config.get_bulletin_secret()
if my_bulletin_secret == self.bulletin_secret:
raise BaseException(
'bulletin secrets are identical. do you love yourself so much that you want a relationship on the blockchain?'
)
bulletin_secrets = sorted(
[str(my_bulletin_secret),
str(self.bulletin_secret)],
key=str.lower)
return hashlib.sha256(
str(bulletin_secrets[0]) +
str(bulletin_secrets[1])).digest().encode('hex')
def generate_relationship(self):
return Relationship(dh_private_key=self.dh_private_key,
their_bulletin_secret=self.bulletin_secret,
their_username=self.username,
my_bulletin_secret=Config.get_bulletin_secret(),
my_username=Config.username)
def generate_transaction(self):
return Transaction(self.rid,
self.transaction_signature,
self.encrypted_relationship,
self.public_key,
self.dh_public_key,
float(self.fee),
self.requester_rid,
self.requested_rid,
self.hash,
inputs=self.inputs,
outputs=self.outputs,
coinbase=self.coinbase)
def generate_transaction_signature(self):
return TU.generate_signature(self.hash)
def test_encrypt(self):
c = Crypt(self.cipher_key)
encrypted = c.encrypt('some random plain text')
assert encrypted == 'b1XdLeAJ54bz/ALcDd2FeAez7y5z33Le'
class Api:
""" Deal with API requests and local clipboard
"""
SERVER = None
USER = None
HASH_LOGIN = None
HASH_MSG = None
crypto = None
def __init__(self, server, user, hash_login, hash_msg):
self.SERVER = server
self.USER = user
self.HASH_LOGIN = hash_login
self.HASH_MSG = hash_msg
self.crypto = Crypt(username=user,
password=None,
hash_login=hash_login,
hash_msg=hash_msg)
def upload(self):
"""
Send the copied text to SERVER
"""
clip = self.copy()
clip_encrypted = self.crypto.encrypt(clip)
payload = {"text": clip_encrypted, "device": f"{Config.DEVICE_ID}"}
try:
res = requests.post(
self.SERVER + Config.API_COPY_PASTE,
data=payload,
auth=(self.USER, self.HASH_LOGIN),
timeout=Config.CONN_TIMEOUT,
verify=Config.VERIFY_SSL_CERT,
headers=Config.HEADERS,
)
except requests.exceptions.RequestException as e:
log.exception("Error in upload request")
raise ApiException(e)
else:
if res.status_code == 201:
log.info("Success! Copied to Cloud-Clipboard.")
return clip
else:
log.error(f"Error cannot upload clip: {res.text}")
raise ApiException(res.text[0:Config.MAX_RESPONSE_LEN])
def download(self):
"""
Download last or all clips from SERVER and updates the local clipboard
"""
log.info("downloading clips")
url = self.SERVER + Config.API_COPY_PASTE
try:
res = requests.get(
url=url,
auth=(self.USER, self.HASH_LOGIN),
timeout=Config.CONN_TIMEOUT,
verify=Config.VERIFY_SSL_CERT,
headers=Config.HEADERS,
)
except requests.exceptions.RequestException as e:
log.exception("Error in download request")
raise ApiException(e)
else:
if res.status_code == 200:
clips_decrypted = self.parse_and_decrypt_response(res)
log.info(f"Got new clips from SERVER:\n{clips_decrypted}")
self.paste(clips_decrypted[-1])
return clips_decrypted
else:
log.error(
f"Cannot download clips: {res.status_code} - {res.text}")
raise ApiException(res.text[0:Config.MAX_RESPONSE_LEN])
def parse_and_decrypt_response(self, response):
""" Parse list clip response and decrypt content
Returns:
List: Contains one or more clips. Ordered by creation date (DESC)
"""
clips_decrypted = []
try:
clips = json.loads(response.text)
for clip in clips:
clips_decrypted.append(self.crypto.decrypt(clip["text"]))
if len(clips) == 0:
clips_decrypted = ["There are no shared Clips yet"]
except Exception as e:
log.e(f"Could not parse and decrypt: {e}")
clips_decrypted = [""]
return clips_decrypted
@staticmethod
def paste(data):
"""
Copies 'data' to local clipboard which enables pasting.
"""
pyperclip.copy(data)
@staticmethod
def copy():
"""
Return the current clipboard text
"""
data = pyperclip.paste()
return data
@staticmethod
def register(server, user, pw):
"""
register user on server using hash generated from pw
"""
crypto = Crypt(user, pw)
login_hash = crypto.pw_hash_login
payload = {"username": user, "password": login_hash}
try:
res = requests.post(
server + Config.API_REGISTER,
data=payload,
timeout=Config.CONN_TIMEOUT,
verify=Config.VERIFY_SSL_CERT,
headers=Config.HEADERS,
)
except requests.exceptions.RequestException as e:
log.exception("Error in register request")
raise RegisterException(e)
if res.status_code == 201:
log.info(f"Hi {user}! You are all set.")
return True
else:
log.error(f"Cannot register user: {res.status_code} - {res.text}")
raise RegisterException(res.text[0:Config.MAX_RESPONSE_LEN])
@staticmethod
def login(server, user, pw):
"""
authenticate user using hash generated from pw
"""
crypto = Crypt(user, pw)
login_hash = crypto.pw_hash_login
try:
res = requests.get(
server + Config.API_LOGIN,
auth=(user, login_hash),
timeout=Config.CONN_TIMEOUT,
verify=Config.VERIFY_SSL_CERT,
headers=Config.HEADERS,
)
except requests.exceptions.RequestException as e:
log.exception("Error in login request")
raise LoginException(e)
if res.status_code >= 200 and res.status_code < 400:
log.info("Login successful")
return True
else:
log.error(f"Login failed: {res.status_code} - {res.text}")
raise LoginException(res.text[0:Config.MAX_RESPONSE_LEN])
from crypt import Crypt
c = Crypt()
a = c.encrypt('12345')
print(a)
b = c.decrypt(a)
print(b)
