tmp.close()
invoice_cp = ConfigParser()
invoice_cp.read(tools.TMP_FILE)
os.remove(tools.TMP_FILE)
tools.check_config(invoice_cp, tools.STRCT_INVOICE)
return invoice_cp
if __name__ == "__main__":
try:
real_drawer = sys.argv[1]
except IndexError:
print("You must give a customer name.", file=sys.stderr)
exit(1)
try:
signed_inv = tools.read_stdin()
except ParsingError:
print(tool.SELLER_SIGN_ERROR, file=sys.stderr)
exit(1)
invoice = check_invoice(signed_inv)
drawer = invoice[tools.SCT_I_INVOICE][tools.OPT_I_BUYER]
total = invoice[tools.SCT_I_INVOICE][tools.OPT_I_TOTAL]
payee = invoice[tools.SCT_I_INVOICE][tools.OPT_I_SELLER]
transac_id = invoice[tools.SCT_I_INVOICE][tools.OPT_I_TRANS_ID]
if drawer != real_drawer:
print(NOT_FOR_ME, file=sys.stderr)
exit(1)
seller_puk_sing_fname = os.path.join(tools.DIR_BANK, tools.DIR_SELLER, tools.FILE_PUB_SIGN) seller_puk = tools.decode_public_key(seller_puk_sing_fname, bank_prk_fname, tools.ROLE_BANK) seller_puk = RSA(int(seller_puk[tools.SCT_K_KEY][tools.OPT_K_N]), e=int(seller_puk[tools.SCT_K_KEY][tools.OPT_K_E])) # Read the seller's signature from stdin and retreive the cheque's # signature generated by the drawee try: seller_sign = tools.read_stdin() except ParsingError: print(tools.SELLER_SIGN_ERROR, file=sys.stderr) exit(1) drawee_sign = decode_sign(seller_sign[tools.ROLE_SELLER][tools.OPT_S_SIGN], seller_puk) # Decode the cheque drawee = drawee_sign.sections()[0] drawee_puk_sing_fname = os.path.join(tools.DIR_CUSTOMERS, drawee, tools.FILE_PUB_SIGN) drawee_puk = tools.decode_public_key(drawee_puk_sing_fname, bank_prk_fname,
