def ExtractData(filepath):
ls_lines=FileUtil.ReadLines(filepath)
ls_record=[]
for line in ls_lines:
#print(line[:-1].split(';'))
ls_record.append(line[:-1].split(';'))
return ls_record
def is_valid_access_request(req_args):
#Get account address
addr_client = req_args.json['host_address']
url_rule = req_args.json['url_rule']
#Define ls_time_exec to save executing time to log
ls_time_exec = []
# define branch control flag
query_src = 0 # smart contract:0, local cache:1
is_cachetoken = 0 # cache data:1, not cache data:0
#get token data
start_time = time.time()
if (query_src == 0):
# ----------a) query token from smart contract ------------
token_data = CapPolicy.get_token(addr_client)
#print(token_data)
if (is_cachetoken == 1):
# 2) Save token data to local token.dat
FileUtil.AddLine('ACtoken.dat',
TypesUtil.json_to_string(token_data))
else:
# ----------b) read authToken from local cached file ------------
read_token = FileUtil.ReadLines('ACtoken.dat')
token_data = TypesUtil.string_to_json(read_token[0])
#print(token_data)
exec_time = time.time() - start_time
ls_time_exec.append(format(exec_time * 1000, '.3f'))
print("Execution time of get_token is:%2.6f" % (exec_time))
#extract access action from request
access_data = {}
access_data['url_rule'] = url_rule
access_data['method'] = req_args.method
#print(access_data)
start_time = time.time()
if (not CapPolicy.is_token_valid(token_data)):
print('token valid fail')
return False
exec_time = time.time() - start_time
ls_time_exec.append(format(exec_time * 1000, '.3f'))
print("Execution time of is_token_valid is:%2.6f" % (exec_time))
start_time = time.time()
if (not CapPolicy.is_access_valid(token_data, access_data)):
print('access valid fail')
return False
exec_time = time.time() - start_time
ls_time_exec.append(format(exec_time * 1000, '.3f'))
print("Execution time of is_access_valid is:%2.6f" % (exec_time))
#transfer list to string
str_time_exec = " ".join(ls_time_exec)
#print(str_time_exec)
FileUtil.AddLine('capac_exec_time_server.log', str_time_exec)
return True
def verify_AuthToken(req_args):
# extract client address from req_args
#addr_client = req_args['host_address']
addr_client = req_args.json['host_address']
#print(addr_client)
# Define ls_time_exec to save executing time to log
ls_time_exec = []
# define branch control flag
query_src = 0 # smart contract:0, local cache:1
is_cachetoken = 0 # cache data:1, not cache data:0
# mark the start time
start_time = time.time()
if (query_src == 0):
# ----------a) query token from smart contract ------------
# 1) get host Vnode data in contract
accounts = myAuthToken.getAccounts()
json_VNode_host = AuthPolicy.get_VNodeInfo(accounts[0])
#2) get client Vnode in contract
json_VNode_client = AuthPolicy.get_VNodeInfo(addr_client)
#print(json_VNode_host)
#print(json_VNode_client)
if (is_cachetoken == 1):
json_authToken = {}
json_authToken['host'] = json_VNode_host
json_authToken['client'] = json_VNode_client
#print(json_authToken)
# 2) Save token data to local token.dat
FileUtil.AddLine('authToken.dat',
TypesUtil.json_to_string(json_authToken))
else:
# ----------b) read authToken from local cached file ------------
# 3) read token from local data, low overload
read_token = FileUtil.ReadLines('authToken.dat')
token_data = TypesUtil.string_to_json(read_token[0])
json_VNode_host = token_data['host']
json_VNode_client = token_data['client']
print("localhost: %s | client: %s" %
(json_VNode_host, json_VNode_client))
#3) authicate identity based on token
# compare
ret_indexAuth = (
json_VNode_host['VZoneID'] == json_VNode_client['VZoneID'])
# calculate computational cost
exec_time = time.time() - start_time
ls_time_exec.append(format(exec_time * 1000, '.3f'))
print("Execution time of %s authentication is:%2.6f" %
(addr_client, exec_time))
#transfer list to string
str_time_exec = " ".join(ls_time_exec)
#print(str_time_exec)
FileUtil.AddLine('auth_exec_time_server.log', str_time_exec)
#return index authentication result
return ret_indexAuth