def replace_chain():
network=self.nodes
longest_chain=None
max_lenght=len(self.chain)
for node in network:
response=requests.get(f'http://{node}/get_chain')
if response.status_code == 200:
length=json.response()['lenght']
chain=json.response()['chain']
if lenght > max_lenght and self.is_valid_chain(chain):
max_length=length
longest_chain=chain
if longest_chain:
self.chain=longest_chain
return True
return False
def authorize(url, method, token):
# Extract user information from url. Determine whether the methond should be approved.
u = urlparse(url)
action = u[2].split("/")
approve_anyuser = ["GET", "PUT"]
approve_admin = ["GET", "PUT", "DELETE"]
approve_onlyposter = ["POST"]
if token:
try:
info = jwt.decode(token, key="jwt-secret")
except (jwt.DecodeError, jwt.ExpiredSignatureError):
return json.response({'message': 'Token is not valid'})
email = ""
uid = ""
for i in action:
if "@" in i:
email = i
break
if "-" in i:
uid = i
break
if method in approve_onlyposter:
if email == token['email'] or uid == token["uid"]:
info['operations'] = approve_onlyposter
else:
raise (ActionException(ActionException.unproved_action))
elif method in approve_admin:
if info['role'] != 'admin':
raise (ActionException(ActionException.unproved_action))
else:
info['operations'] = approve_admin
else:
info["operations"] = approve_anyuser
h = jwt.encode(info, key=_context.get_context("jwt-secret"))
h = str(h)
return h
#Write a program myip.py to print the external IP address of the machine. Use the response from http://httpbin.org/get
import urllib
import json
print 'loading............'
print json.response(urllib.urlopen('http://httpbin.org/get'))['origin']
# Write a program myip.py to print the external IP address of the machine. Use the response from http://httpbin.org/get
import urllib
import json
print "loading............"
print json.response(urllib.urlopen("http://httpbin.org/get"))["origin"]
def POST(self):
data = json.request()
db.todos.save(data, safe=True)
raise json.response(web.created, data=data)
def GET(self):
raise json.response(web.ok, data=list(db.todos.find()))
