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 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 get_username(self):
key = utils.eth_addr_to_string(self.address)
def cb(r):
self.name.value = r['username']
wallet.market_client.query_username(public_key=key).addCallbacks(cb)
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 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)
def add_orders_ui(self, widget):
height = widget.height()
layout = widget.layout()
order = None
status = 0
start = 1
is_seller = self.owner_address == wallet.market_client.public_key
# Sales
if app.products_order.get(self.market_hash):
self.sales_header = DetailHeader("{} Sales".format(
len(app.products_order.get(self.market_hash))))
layout.insertWidget(start, self.sales_header)
start += 1
# enum State {
# Created,
# SellerConfirmed,
# ProxyFetched,
# ProxyDelivered,
# BuyerConfirmed,
# Finished,
# SellerRated,
# BuyerRated,
# Disputed,
# Withdrawn
# }
myaddress = get_address_from_public_key_object(
wallet.market_client.public_key)
self.salesElem = []
need_show = False
for order in app.products_order[self.market_hash]:
# not buyer and not seller
buyer_addr = eth_addr_to_string(order['buyer_addr'])
is_buyer = buyer_addr == myaddress
if not is_buyer and not is_seller:
continue
need_show = True
self.buy.setEnabled(False)
status = order['status']
if status == 0:
current = 1
elif status == 1:
current = 1
elif status == 2:
current = 2
elif status == 3:
current = 3
else:
current = 4
sale1 = Sale(
image=abs_path('icons/avatar.jpeg'),
name=order['public_key'],
current=current,
timestamps=[
"May 2, 08:09:08", "May 2, 08:09:08",
"May 2, 08:09:08", "May 2, 08:09:08"
],
order_id=order["order_id"],
mhash=self.market_hash,
is_buyer=is_buyer,
is_seller=is_seller,
order_type='stream' if self.ptype == 'stream' else 'file')
layout.insertWidget(start, sale1)
self.salesElem.append(sale1)
start += 1
height += 200
if not need_show:
self.sales_header.hide()
# Order Detail
if status < 1:
self.status_text.value = "Created on May 2, 08:09:08"
elif status == 1:
self.status_text.value = "Delivered on May 2, 08:09:08"
elif status <= 3:
self.status_text.value = "Received on May 2, 08:09:08"
elif status > 3:
self.status_text.value = "Confirmed on May 2, 08:09:08"
if order and self.owner_address != wallet.market_client.public_key:
if status > 2:
order_header = DetailHeader('Order Detail')
layout.insertWidget(start, order_header)
start += 1
height += 100
has_comfirmed = status > 3
if self.ptype == 'file':
self.data_type = 'batch'
self.order_detail = OrderDetail(
order_time=Model("2018/6/15 08:40:39"),
status=self.status_text,
order_id=order["order_id"],
name=self.name.value,
data_type=self.data_type,
has_comfirmed=has_comfirmed)
layout.insertWidget(start, self.order_detail)
start += 1
height += 100
if self.ptype == 'stream':
self.data_type = 'stream'
order_detail = OrderDetail(
order_time=Model("2018/6/15 08:40:39"),
status=self.status_text,
order_id=order["order_id"],
market_hash=self.market_hash,
name=self.name.value,
data_type=self.data_type,
has_comfirmed=has_comfirmed)
layout.insertWidget(start, order_detail)
start += 1
height += 100
widget.setFixedHeight(height)