def download_file(self, document_hash, storing_file_name, encrypted=False):
if encrypted:
reg_status = self.register_user_status()
private_key_hex = str(reg_status['file_encryption_key'])
private_key_wif = base58.base58_check_encode(0x80, private_key_hex.decode("hex"))
private_key = CBitcoinSecret(private_key_wif)
public_key = private_key.pub
cookies = self.authenticate()
if cookies is not None:
download_response = requests.get(self.notary_server.get_upload_url(self.address, document_hash),
cookies=cookies, allow_redirects=True, verify=False)
if download_response.status_code == 200:
# Need to add error handling
ultimate_file_name = str(storing_file_name)
if encrypted:
ultimate_file_name = storing_file_name+".download_encrypted"
with open(ultimate_file_name, 'wb') as f:
for chunk in download_response.iter_content(chunk_size=1024):
if chunk: # filter out keep-alive new chunks
f.write(chunk)
if encrypted:
file_stream_encrypt.decrypt_file(storing_file_name+".download_encrypted", storing_file_name, private_key_wif)
return storing_file_name
return None
def download_file_decrypted(self, document_hash, storing_file_name):
"""
uploads a file to server
Parameters
----------
document_hash : hash of file.
storing_file_name : file name to write to.
Returns
-------
storing_file_name
"""
try:
file_encryption_wallet = self.get_file_encryption_wallet()
cookies = self.authenticate()
except NotaryException as e:
raise NotaryException(e.error_code, e.message)
try:
download_response = requests.get(
self.notary_server.get_document_url(self.address, document_hash),
cookies=cookies,
allow_redirects=True,
verify=False,
)
if download_response.status_code != 200:
raise NotaryException(download_response.status_code, "Problem downloading file!")
# Need to add error handling
ultimate_file_name = str(storing_file_name)
with open(ultimate_file_name + ".decrypted", "wb") as f:
for chunk in download_response.iter_content(chunk_size=1024):
if chunk: # filter out keep-alive new chunks
f.write(chunk)
file_stream_encrypt.decrypt_file(
ultimate_file_name + ".decrypted", storing_file_name, file_encryption_wallet.get_private_key_wif()
)
return storing_file_name
except requests.ConnectionError as e:
raise NotaryException(-1, e.message)
except NotaryException as ne:
raise NotaryException(ne.error_code, ne.message)
import file_stream_encrypt
import wallet
from bitcoinlib.core.key import CPubKey
import requests
requests.packages.urllib3.disable_warnings()
file_name = "/Users/tssbi08/Downloads/jdk-8u65-macosx-x64.dmg"
encrypted_file = "/Users/tssbi08/Downloads/encrypt_jdk-8u65-macosx-x64.dmg"
decrypted_file = "/Users/tssbi08/Downloads/decrypt-8u65-macosx-x64.dmg"
wallet = wallet.PlainWallet()
public_key = CPubKey(wallet.get_public_key_hex().decode("hex"))
file_stream_encrypt.encrypt_file(file_name,encrypted_file,public_key)
file_stream_encrypt.decrypt_file(encrypted_file,decrypted_file,wallet.get_private_key_wif())
