def seller_send_request_stream(self, order_info):
logger.debug("seller send request to proxy ...")
order_id = list(order_info.keys())[0]
new_order_info = order_info[order_id]
market_hash = new_order_info[0]
seller_addr = eth_addr_to_string(new_order_info[3])
buyer_addr = eth_addr_to_string(new_order_info[2])
buyer_rsa_public_key = new_order_info[1]
proxy_id = eth_addr_to_string(new_order_info[4])
session = get_session()
raw_aes_key = session.query(FileInfo.aes_key) \
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash)) \
.all()[0][0]
logger.debug("start to encrypt aes key with buyer rsa public key")
logger.debug("raw aes key: %s", raw_aes_key)
logger.debug("buyer rsa public key: %s", buyer_rsa_public_key)
encrypted_aes_key = load_der_public_key(
buyer_rsa_public_key, backend=default_backend()).encrypt(
raw_aes_key,
padding.OAEP(mgf=padding.MGF1(algorithm=hashes.SHA256()),
algorithm=hashes.SHA256(),
label=None))
logger.debug("encrypted aes key: %s", encrypted_aes_key)
logger.debug("order info got generated")
message = Message()
seller_data = message.seller_data
message.type = Message.SELLER_DATA
seller_data.order_id = order_id
seller_data.order_type = 'stream'
seller_data.seller_addr = seller_addr
seller_data.buyer_addr = buyer_addr
seller_data.market_hash = Encoder.bytes_to_base64_str(market_hash)
seller_data.AES_key = encrypted_aes_key
storage = seller_data.storage
storage_type = session.query(FileInfo.remote_type) \
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash)) \
.all()[0][0]
remote_uri = session.query(FileInfo.remote_uri) \
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash)) \
.all()[0][0]
storage.type = storage_type
storage.path = remote_uri
sign_message = SignMessage()
sign_message.public_key = self.wallet.market_client.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.wallet.market_client.account.private_key, sign_message.data)
try:
error, AES_key, urls = yield start_proxy_request(
sign_message, proxy_id)
if error:
logger.error(error)
else:
logger.debug(AES_key)
logger.debug(urls)
event.emit(events.SELLER_DELIVERY, order_id)
except Exception as e:
logger.error(e)
def send_request(self, order_id):
new_order_info = self.buyer.query_order(order_id)
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = order_id
buyer_data.seller_addr = to_bytes(hexstr=new_order_info[3])
buyer_data.buyer_addr = to_bytes(hexstr=new_order_info[2])
buyer_data.market_hash = new_order_info[0]
sign_message = SignMessage()
sign_message.public_key = Encoder.str_to_base64_byte(
self.market_client.pub_key)
sign_message.data = message.SerializeToString()
sign_message.signature = crypto.ECCipher.generate_signature(
Encoder.str_to_base64_byte(self.market_client.priv_key),
sign_message.data)
d = start_client(sign_message)
def update_buyer_db(file_uuid, file_path, new_order_id):
market_hash = Encoder.bytes_to_base64_str(
self.buyer.query_order(new_order_id)[0])
session.query(BuyerFileInfo).filter(BuyerFileInfo.order_id == order_id). \
update({BuyerFileInfo.market_hash: market_hash,
BuyerFileInfo.is_downloaded: True,
BuyerFileInfo.file_uuid: file_uuid,
BuyerFileInfo.path: file_path,
BuyerFileInfo.size: os.path.getsize(file_path)
}, synchronize_session=False)
session.commit()
return market_hash
def buyer_request_proxy_callback(message):
print("Inside buyer request callback.")
assert message.type == Message.PROXY_REPLY
proxy_reply = message.proxy_reply
if not proxy_reply.error:
print('file_uuid: %s' % proxy_reply.file_uuid)
print('AES_key: ')
print(len(proxy_reply.AES_key))
print(proxy_reply.AES_key)
file_dir = os.path.expanduser(config.wallet.download_dir)
file_path = os.path.join(file_dir, proxy_reply.file_uuid)
print(file_path)
decrypted_file = decrypt_file_aes(file_path,
proxy_reply.AES_key)
print('Decrypted file path ' + str(decrypted_file))
update_buyer_db(proxy_reply.file_uuid, decrypted_file,
order_id)
self.update_treasure_pane()
self.confirm_order(order_id)
self.order_id_list.remove(order_id)
else:
print(proxy_reply.error)
d.addBoth(buyer_request_proxy_callback)
def sign_buyer_message(message):
sign_message = SignMessage()
sign_message.public_key = buyer_public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(buyer_private_key,
sign_message.data)
return sign_message
def buyer_send_request(self, order_info):
logger.debug("buyer send request to proxy ...")
order_id = list(order_info.keys())[0]
new_order_info = order_info[order_id]
seller_addr = eth_addr_to_string(new_order_info[3])
buyer_addr = eth_addr_to_string(new_order_info[2])
proxy_id = eth_addr_to_string(new_order_info[4])
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = order_id
buyer_data.order_type = 'file'
buyer_data.seller_addr = seller_addr
buyer_data.buyer_addr = buyer_addr
buyer_data.market_hash = Encoder.bytes_to_base64_str(new_order_info[0])
sign_message = SignMessage()
sign_message.public_key = self.wallet.market_client.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.wallet.market_client.account.private_key, sign_message.data)
error, AES_key, urls = yield start_proxy_request(
sign_message, proxy_id)
def update_buyer_db(file_uri, file_path):
market_hash = Encoder.bytes_to_base64_str(new_order_info[0])
file_uuid = file_uri.split('/')[3]
session = get_session()
session.query(BuyerFileInfo).filter(
BuyerFileInfo.order_id == order_id).update(
{
BuyerFileInfo.market_hash: market_hash,
BuyerFileInfo.is_downloaded: True,
BuyerFileInfo.file_uuid: file_uuid,
BuyerFileInfo.path: file_path,
BuyerFileInfo.size: os.path.getsize(file_path)
},
synchronize_session=False)
session.commit()
if error:
logger.error(error)
else:
file_name = urls[0].split('/')[3]
file_dir = join_with_rc(config.wallet.download_dir)
# create if not exists
os.makedirs(file_dir, exist_ok=True)
file_path = os.path.join(file_dir, file_name)
yield download_proxy_file(urls[0], file_path)
logger.debug("downloaded file path: %s", file_path)
decrypted_file = decrypt_file_aes(file_path, AES_key)
logger.debug('Decrypted file path: %s', str(decrypted_file))
update_buyer_db(urls[0], decrypted_file)
logger.debug("file has been downloaded")
logger.debug("put order into confirmed queue, order id: %s",
order_id)
event.emit(events.BUYER_RECEIVE, order_id)
def send_request(self):
new_order = self.query_new_order()
if len(new_order) != 0:
for new_order_id in new_order:
new_order_info = self.seller.query_order(new_order_id)
print('In seller send request: new oder infomation:')
market_hash = new_order_info[0]
buyer_rsa_pubkey = new_order_info[1]
raw_aes_key = session.query(FileInfo.aes_key)\
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash))\
.all()[0][0]
encrypted_aes_key = load_der_public_key(
buyer_rsa_pubkey, backend=default_backend()).encrypt(
raw_aes_key,
padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA256()),
algorithm=hashes.SHA256(),
label=None))
print("Encrypted_aes_key length" + str(len(encrypted_aes_key)))
storage_type = Message.Storage.IPFS
ipfs_gateway = config.proxy.default_ipfs_gateway
file_hash = session.query(FileInfo.hashcode)\
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash))\
.all()[0][0]
message = Message()
seller_data = message.seller_data
message.type = Message.SELLER_DATA
seller_data.order_id = new_order_id
seller_data.seller_addr = to_bytes(hexstr=new_order_info[3])
seller_data.buyer_addr = to_bytes(hexstr=new_order_info[2])
seller_data.market_hash = market_hash
seller_data.AES_key = encrypted_aes_key
storage = seller_data.storage
storage.type = storage_type
ipfs = storage.ipfs
ipfs.file_hash = file_hash.encode('utf-8')
ipfs.gateway = ipfs_gateway
sign_message = SignMessage()
sign_message.public_key = Encoder.str_to_base64_byte(
self.market_client.pub_key)
sign_message.data = message.SerializeToString()
sign_message.signature = crypto.ECCipher.generate_signature(
Encoder.str_to_base64_byte(self.market_client.priv_key),
sign_message.data)
d = start_client(sign_message)
d.addBoth(self.seller_deliver_proxy_callback)
def buyer_send_request_stream(self, order_info):
logger.debug("buyer send request to proxy ...")
order_id = list(order_info.keys())[0]
new_order_info = order_info[order_id]
seller_addr = eth_addr_to_string(new_order_info[3])
buyer_addr = eth_addr_to_string(new_order_info[2])
proxy_id = eth_addr_to_string(new_order_info[4])
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = order_id
buyer_data.order_type = 'stream'
buyer_data.seller_addr = seller_addr
buyer_data.buyer_addr = buyer_addr
buyer_data.market_hash = Encoder.bytes_to_base64_str(new_order_info[0])
sign_message = SignMessage()
sign_message.public_key = self.wallet.market_client.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.wallet.market_client.account.private_key, sign_message.data)
error, AES_key, urls = yield start_proxy_request(
sign_message, proxy_id)
def update_buyer_db(stream_id):
session = get_session()
session.query(BuyerFileInfo).filter(
BuyerFileInfo.order_id == order_id).update(
{
BuyerFileInfo.is_downloaded: True,
BuyerFileInfo.path: stream_id,
},
synchronize_session=False)
session.commit()
if error:
logger.error(error)
else:
update_buyer_db(json.dumps(urls))
logger.debug("Stream data has been geted")
event.emit(events.BUYER_RECEIVE, order_id)
def send_buyer_message(self, order):
global kad_port
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = order['order_id']
buyer_data.order_type = order['order_type']
buyer_data.seller_addr = order['seller']
buyer_data.buyer_addr = order['buyer']
buyer_data.market_hash = order['market_hash']
sign_message = SignMessage()
sign_message.public_key = self.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.private_key,
sign_message.data
)
kad_port += 1
proxy_id = order['proxy']
error, AES_key, urls = yield start_proxy_request(sign_message, proxy_id, kad_port)
if error:
print(error)
else:
print(urls)
if order['order_type'] == 'file':
file_name = urls[0].split('/')[3]
file_dir = join_with_rc(config.wallet.download_dir)
# create if not exists
os.makedirs(file_dir, exist_ok=True)
file_path = os.path.join(file_dir, file_name)
yield download_proxy_file(urls[0], file_path)
def send_seller_message(self, order):
global kad_port
message = Message()
seller_data = message.seller_data
message.type = Message.SELLER_DATA
seller_data.order_id = order['order_id']
seller_data.order_type = order['order_type']
seller_data.seller_addr = order['seller']
seller_data.buyer_addr = order['buyer']
seller_data.market_hash = order['market_hash']
seller_data.AES_key = order['AES_key']
storage = seller_data.storage
storage.type = order['storage_type']
storage.path = order['storage_path']
sign_message = SignMessage()
sign_message.public_key = self.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.private_key,
sign_message.data
)
kad_port += 1
proxy_id = order['proxy']
error, AES_key, urls = yield start_proxy_request(sign_message, proxy_id, kad_port)
if error:
print(error)
else:
print(urls)
def buyer_request():
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = order_id
buyer_data.order_type = order_type
buyer_data.seller_addr = seller_addr
buyer_data.buyer_addr = buyer_addr
buyer_data.market_hash = 'MARKET_HASH'
sign_message = SignMessage()
sign_message.public_key = buyer_public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(buyer_private_key,
sign_message.data)
proxy_list = yield pick_proxy()
proxy_id = proxy_list[0] # should be selected by UI from proxy list
if proxy_id:
error, AES_key, urls = yield start_proxy_request(
sign_message, proxy_id)
if error:
print(error)
else:
print(AES_key)
print(urls)
file_name = urls[0].split('/')[3]
file_dir = join_with_rc(config.wallet.download_dir)
# create if not exists
os.makedirs(file_dir, exist_ok=True)
file_path = os.path.join(file_dir, file_name)
yield download_proxy_file(urls[0], file_path)
def seller_send_request(self, order_info):
logger.debug("seller send request to proxy ...")
order_id = list(order_info.keys())[0]
new_order_info = order_info[order_id]
market_hash = new_order_info[0]
seller_addr = eth_addr_to_string(new_order_info[3])
buyer_addr = eth_addr_to_string(new_order_info[2])
buyer_rsa_public_key = new_order_info[1]
proxy_id = eth_addr_to_string(new_order_info[4])
session = get_session()
raw_aes_key = session.query(FileInfo.aes_key) \
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash)) \
.all()[0][0]
logger.debug("start to encrypt aes key with buyer rsa public key")
logger.debug("raw aes key: %s", raw_aes_key)
logger.debug("buyer rsa public key: %s", buyer_rsa_public_key)
encrypted_aes_key = load_der_public_key(
buyer_rsa_public_key, backend=default_backend()).encrypt(
raw_aes_key,
padding.OAEP(mgf=padding.MGF1(algorithm=hashes.SHA256()),
algorithm=hashes.SHA256(),
label=None))
logger.debug("encrypted aes key: %s", encrypted_aes_key)
file_hash = session.query(FileInfo.hashcode) \
.filter(FileInfo.market_hash == Encoder.bytes_to_base64_str(market_hash)) \
.all()[0][0]
logger.debug("order info got generated")
message = Message()
seller_data = message.seller_data
message.type = Message.SELLER_DATA
seller_data.order_id = order_id
seller_data.seller_addr = seller_addr
seller_data.buyer_addr = buyer_addr
seller_data.market_hash = 'market hash'
seller_data.AES_key = encrypted_aes_key
storage = seller_data.storage
# ipfs storage example
storage.type = Message.Storage.IPFS
ipfs = storage.ipfs
ipfs.file_hash = file_hash
ipfs.gateway = "192.168.0.132:5001"
sign_message = SignMessage()
sign_message.public_key = self.wallet.market_client.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.wallet.accounts.default_account.private_key,
sign_message.data)
seller_sign_message = sign_message
logger.debug("message created")
d_proxy_reply = start_proxy_request(seller_sign_message,
proxy_id=proxy_id)
def seller_deliver_proxy_callback(proxy_reply):
logger.debug("in seller request callback.")
if not proxy_reply.error:
logger.debug("receive reply from proxy")
logger.debug('file_uri: %s', proxy_reply.file_uri)
else:
logger.debug(proxy_reply.error)
d_proxy_reply.addCallback(seller_deliver_proxy_callback)
def buyer_send_request(self, order_info):
logger.debug("buyer send request to proxy ...")
order_id = list(order_info.keys())[0]
new_order_info = order_info[order_id]
seller_addr = eth_addr_to_string(new_order_info[3])
buyer_addr = eth_addr_to_string(new_order_info[2])
proxy_id = eth_addr_to_string(new_order_info[4])
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = order_id
buyer_data.seller_addr = seller_addr
buyer_data.buyer_addr = buyer_addr
buyer_data.market_hash = 'market hash'
sign_message = SignMessage()
sign_message.public_key = self.wallet.market_client.public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(
self.wallet.accounts.default_account.private_key,
sign_message.data)
buyer_sign_message = sign_message
d_proxy_reply = start_proxy_request(buyer_sign_message,
proxy_id=proxy_id)
def update_buyer_db(file_uri, file_path):
market_hash = Encoder.bytes_to_base64_str(new_order_info[0])
file_uuid = file_uri.split('/')[3]
session = get_session()
session.query(BuyerFileInfo).filter(
BuyerFileInfo.order_id == order_id).update(
{
BuyerFileInfo.market_hash: market_hash,
BuyerFileInfo.is_downloaded: True,
BuyerFileInfo.file_uuid: file_uuid,
BuyerFileInfo.path: file_path,
BuyerFileInfo.size: os.path.getsize(file_path)
},
synchronize_session=False)
session.commit()
return market_hash
def buyer_request_proxy_callback(proxy_reply):
logger.debug("in buyer request callback.")
if not proxy_reply.error:
logger.debug('file_uri: %s', proxy_reply.file_uri)
file_dir = os.path.expanduser(config.wallet.download_dir)
file_name = proxy_reply.file_uri.split('/')[3]
file_path = os.path.join(file_dir, file_name)
logger.debug("downloaded file path: %s", file_path)
decrypted_file = decrypt_file_aes(file_path,
proxy_reply.AES_key)
logger.debug('Decrypted file path: %s', str(decrypted_file))
update_buyer_db(proxy_reply.file_uri, decrypted_file)
logger.debug("file has been downloaded")
logger.debug("put order into confirmed queue, order id: %s",
order_id)
self.confirmed_order_queue.put(order_id)
self.wallet.main_wnd.update_purchased_tab('downloaded')
else:
logger.debug(proxy_reply.error)
d_proxy_reply.addCallback(buyer_request_proxy_callback)
seller_data = message.seller_data
message.type = Message.SELLER_DATA
seller_data.order_id = 1
seller_data.seller_addr = seller_public_key
seller_data.buyer_addr = buyer_public_key
seller_data.market_hash = b'MARKET_HASH'
seller_data.AES_key = b'AES_key'
storage = seller_data.storage
storage.type = Message.Storage.IPFS
ipfs = storage.ipfs
ipfs.file_hash = b'QmT4kFS5gxzQZJwiDJQ66JLVGPpyTCF912bywYkpgyaPsD'
ipfs.gateway = "192.168.0.132:5001"
sign_message = SignMessage()
sign_message.public_key = seller_public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.generate_signature(
seller_private_key, sign_message.data)
d = start_client(sign_message)
d.addBoth(handle_proxy_response)
d.addBoth(lambda _: reactor.stop())
elif test_type == 'buyer_data':
message = Message()
buyer_data = message.buyer_data
message.type = Message.BUYER_DATA
buyer_data.order_id = 1
buyer_data.seller_addr = seller_public_key
buyer_data.buyer_addr = buyer_public_key
def seller_request():
# seller_request
message = Message()
seller_data = message.seller_data
message.type = Message.SELLER_DATA
seller_data.order_id = order_id
seller_data.order_type = order_type
seller_data.seller_addr = seller_addr
seller_data.buyer_addr = buyer_addr
seller_data.market_hash = 'MARKET_HASH'
seller_data.AES_key = b'AES_key'
storage = seller_data.storage
#stream test
storage.type = 'stream'
storage_plugin = "cpchain.storage_plugin."
module = importlib.import_module(storage_plugin + storage.type)
s = module.Storage()
param = yield s.user_input_param()
param['proxy_id'] = param['proxy_id'][
0] # should be selected by UI from proxy list
storage.path = yield s.upload_data(None, param)
# proxy storage
# storage.type = 'proxy'
# storage_plugin = "cpchain.storage_plugin."
# module = importlib.import_module(storage_plugin + storage.type)
# s = module.Storage()
# param = yield s.user_input_param()
# param['proxy_id'] = param['proxy_id'][0] # should be selected by UI from proxy list
# storage.path = yield s.upload_data('/bin/bash', param)
# ipfs storage
# storage.type = 'ipfs'
# storage_plugin = "cpchain.storage_plugin."
# module = importlib.import_module(storage_plugin + storage.type)
# s = module.Storage()
# param = yield s.user_input_param()
# storage.path = yield s.upload_data('/bin/bash', param)
# # S3 storage
# storage.type = 's3'
# storage_plugin = "cpchain.storage_plugin."
# module = importlib.import_module(storage_plugin + storage.type)
# s = module.Storage()
# param = yield s.user_input_param()
# storage.path = yield s.upload_data('/bin/bash', param)
sign_message = SignMessage()
sign_message.public_key = seller_public_key
sign_message.data = message.SerializeToString()
sign_message.signature = ECCipher.create_signature(seller_private_key,
sign_message.data)
proxy_list = yield pick_proxy()
proxy_id = proxy_list[0] # should be selected by UI from proxy list
if proxy_id:
error, AES_key, urls = yield start_proxy_request(
sign_message, proxy_id)
if error:
print(error)
else:
print(AES_key)
print(urls)