Add new file
This commit is contained in:
parent
e440b54ed0
commit
1e19efc15f
1 changed files with 353 additions and 0 deletions
353
archive/oldserver.py
Normal file
353
archive/oldserver.py
Normal file
|
|
@ -0,0 +1,353 @@
|
|||
#!/usr/bin/env python3
|
||||
|
||||
USERLENGTH = 50
|
||||
|
||||
import ipaddress
|
||||
import random
|
||||
import sys
|
||||
import etcd
|
||||
import json
|
||||
import datetime
|
||||
|
||||
from flask import Flask, abort, request, Response
|
||||
from flask_restful import reqparse
|
||||
|
||||
def get_random_ip(network):
|
||||
net = ipaddress.IPv6Network(network)
|
||||
addr_offset = random.randrange(2**64)
|
||||
addr = net[0] + addr_offset
|
||||
|
||||
return addr
|
||||
|
||||
def require_args(*args):
|
||||
parser = reqparse.RequestParser()
|
||||
for arg in args:
|
||||
parser.add_argument(arg, required=True)
|
||||
return parser.parse_args()
|
||||
|
||||
class etcdWrapper(object):
|
||||
""" Generalises some etcd actions """
|
||||
|
||||
def __init__(self, client, base):
|
||||
self.client = client
|
||||
self.base = base
|
||||
|
||||
def read_key_or_none(self, path, recursive=False):
|
||||
try:
|
||||
data = self.client.read(path, recursive=recursive)
|
||||
except etcd.EtcdKeyNotFound:
|
||||
return None
|
||||
except Exception:
|
||||
abort(Response(status=400, response="Error connecting to etcd"))
|
||||
|
||||
return data
|
||||
|
||||
def get_user_key_or_none(self, user, key):
|
||||
path = "{}/user/{}/{}".format(self.base, user, key)
|
||||
return self.read_key_or_none(path)
|
||||
|
||||
def set_user_key(self, user, key, value):
|
||||
path = "{}/user/{}/{}".format(self.base, user, key)
|
||||
self.client.write(path, value)
|
||||
|
||||
|
||||
class Challenge(object):
|
||||
""" A sample challenge -- inherit this and overwrite accordingly """
|
||||
|
||||
points = 0
|
||||
provides = []
|
||||
requires = []
|
||||
description = None
|
||||
dependencies_provided_by = {}
|
||||
|
||||
def __init__(self, wrapper):
|
||||
self.db = wrapper
|
||||
|
||||
def game(self):
|
||||
if request.method == 'GET':
|
||||
return self.describe()
|
||||
if request.method == 'POST':
|
||||
return self.solve()
|
||||
|
||||
def describe(self):
|
||||
return self.description
|
||||
|
||||
def save_points(self, user):
|
||||
""" should be called when the challenge was solved successfully"""
|
||||
|
||||
key = "points/{}".format(user, type(self).__name__)
|
||||
self.db.set_user_key(user, key, self.points)
|
||||
|
||||
def solve(self):
|
||||
""" Needs to be implemented per challenge """
|
||||
pass
|
||||
|
||||
class RegisterNet(Challenge):
|
||||
points = 10
|
||||
provides = [ "network" ]
|
||||
|
||||
description = """
|
||||
Register a /64 IPv6 network that you fully control.
|
||||
Many other challenges depend on this. You will need to
|
||||
be able to configure IPv6 addresses in this networks
|
||||
and to setup services listening on these IPv6 addresses.
|
||||
|
||||
Submit your network with the "network" parameter.
|
||||
"""
|
||||
def solve(self):
|
||||
args = require_args("user", "network")
|
||||
network = args['network']
|
||||
user = args['user']
|
||||
|
||||
try:
|
||||
net = ipaddress.IPv6Network(network)
|
||||
except Exception as e:
|
||||
return Response(status=400, response="Cannot register network {}: {}".format(network, e))
|
||||
|
||||
if not net.prefixlen == 64:
|
||||
return Response(status=400, response="{} mask is not /64 - please use a /64 network".format(net))
|
||||
|
||||
# Save network
|
||||
self.db.set_user_key(user, "network", network)
|
||||
self.save_points(user)
|
||||
|
||||
return "Network {} registered, have fun with the next challenge!".format(network)
|
||||
|
||||
class IPv6Address(Challenge):
|
||||
points = 20
|
||||
requires = [ "network" ]
|
||||
|
||||
description = """
|
||||
You have setup your network, great!
|
||||
Now it is time to show that you are really controlling your network!
|
||||
|
||||
Setup the IPv6 address
|
||||
|
||||
{}
|
||||
|
||||
and POST to this address, when it should be reachable by ping6.
|
||||
"""
|
||||
|
||||
def describe(self):
|
||||
args = require_args("user")
|
||||
user = args['user']
|
||||
key = "network"
|
||||
|
||||
network = self.db.get_user_key_or_none(user, key)
|
||||
if not network:
|
||||
return Response(status=400, response="""
|
||||
Register a network before trying to be reachable. Possible challenges that
|
||||
provide the network are:
|
||||
|
||||
{}
|
||||
""".format("\n".join(self.dependencies_provided_by['network'])))
|
||||
|
||||
|
||||
key = "address"
|
||||
address = self.db.get_user_key_or_none(user, key)
|
||||
if not address:
|
||||
address = get_random_ip(network.value)
|
||||
self.db.set_user_key(user, key, address)
|
||||
else:
|
||||
address = address.value
|
||||
|
||||
return self.description.format(address)
|
||||
|
||||
def solve(self):
|
||||
args = require_args("user")
|
||||
user = args['user']
|
||||
|
||||
return Response(status=400, response="""
|
||||
Not yet implemented""")
|
||||
|
||||
|
||||
class Game(object):
|
||||
def __init__(self, name, etcdclient, etcbase="/ungleichgame/v1"):
|
||||
self.client = etcdclient
|
||||
self.etcbase = etcbase
|
||||
|
||||
self.wrapper = etcdWrapper(etcdclient, self.etcbase)
|
||||
|
||||
self.app = Flask(name)
|
||||
|
||||
self.app.add_url_rule('/', 'index', self.index)
|
||||
self.app.add_url_rule('/points', 'points', self.points)
|
||||
self.app.add_url_rule('/register', 'register', self.register, methods=['POST'])
|
||||
|
||||
# etcd paths are below here
|
||||
|
||||
self.userbase = "{}/user".format(self.etcbase)
|
||||
|
||||
# Automate this
|
||||
challenges = [ RegisterNet, IPv6Address ]
|
||||
challenge_instances = []
|
||||
|
||||
self.app.add_url_rule('/challenge', 'list_of_challenges', self.list_of_challenges)
|
||||
self.app.add_url_rule('/challenge/', 'list_of_challenges', self.list_of_challenges)
|
||||
|
||||
self.providers = {}
|
||||
self.challenge_names = []
|
||||
for challenge in challenges:
|
||||
c = challenge(self.wrapper)
|
||||
challenge_instances.append(c)
|
||||
|
||||
name = type(c).__name__
|
||||
self.challenge_names.append(name)
|
||||
path = "/challenge/{}".format(name)
|
||||
|
||||
self.app.add_url_rule(path, name, c.game, methods=['GET', 'POST'])
|
||||
|
||||
for provider in challenge.provides:
|
||||
if not provider in self.providers:
|
||||
self.providers[provider] = []
|
||||
|
||||
self.providers[provider].append(name)
|
||||
|
||||
# Update challenges with provider information
|
||||
for challenge in challenge_instances:
|
||||
for requirement in challenge.requires:
|
||||
if not requirement in self.providers:
|
||||
raise Exception("Unplayable server/game: {}".format(type(challenge).__name__))
|
||||
|
||||
challenge.dependencies_provided_by[requirement] = self.providers[requirement]
|
||||
|
||||
|
||||
|
||||
def list_of_challenges(self):
|
||||
base = request.base_url
|
||||
challenges = [ "{} ({})".format(name, "{}/{}".format(base, name)) for name in self.challenge_names ]
|
||||
|
||||
return """The following challenges are available on this server:
|
||||
|
||||
{}
|
||||
|
||||
""".format("\n".join(challenges))
|
||||
|
||||
|
||||
|
||||
def get_points(self):
|
||||
""" Returns a dict['username'] = points """
|
||||
|
||||
user_points = {}
|
||||
|
||||
path = "{}/".format(self.userbase)
|
||||
users = self.wrapper.read_key_or_none(path)
|
||||
|
||||
if users:
|
||||
for user in users.children:
|
||||
username = user.key.replace(path,"")
|
||||
user_points[username] = 0
|
||||
|
||||
point_path = "{}/points".format(user.key)
|
||||
points = self.wrapper.read_key_or_none(point_path, recursive=True)
|
||||
|
||||
if not points:
|
||||
continue
|
||||
|
||||
for challenge in points.children:
|
||||
user_points[username] += int(challenge.value)
|
||||
|
||||
return user_points
|
||||
|
||||
def index(self):
|
||||
points = self.points()
|
||||
|
||||
return """Welcome to the game server!
|
||||
|
||||
Current point list is:
|
||||
|
||||
{}
|
||||
|
||||
For more information visit
|
||||
|
||||
https://code.ungleich.ch/nico/ungleich-game
|
||||
""".format(points)
|
||||
|
||||
def points(self):
|
||||
point_list = self.get_points()
|
||||
res = []
|
||||
if not point_list:
|
||||
return Response("No winners yet!")
|
||||
|
||||
for k, v in point_list.items():
|
||||
res.append("{} has {} points".format(k, v))
|
||||
|
||||
return """
|
||||
Point list (aka high score)
|
||||
---------------------------
|
||||
{}
|
||||
""".format("\n".join(res))
|
||||
|
||||
def register(self):
|
||||
args = require_args("user")
|
||||
path = "{}/{}/registered_at".format(self.userbase, args['user'])
|
||||
value = str(datetime.datetime.now())
|
||||
|
||||
cur = self.read_etcd(path)
|
||||
|
||||
if cur:
|
||||
value = cur.value
|
||||
else:
|
||||
self.client.write(path, value)
|
||||
|
||||
return "Registered at: {}\n".format(value)
|
||||
|
||||
# def get_ip_address():
|
||||
# args = self.require_args("network", "user")
|
||||
|
||||
# # Needs to be fixed with ungleich-otp
|
||||
# username=args['user']
|
||||
|
||||
# if request.method == 'GET':
|
||||
# return Response("""
|
||||
# This is an easy level - just register any /64 network
|
||||
# that you fully control. After submission the game server will generate
|
||||
# a random IPv6 address in this network.
|
||||
# """)
|
||||
|
||||
# client = etcd.Client(port=2379)
|
||||
# try:
|
||||
# data = client.read("/ungleichgame/v1/{}/network".format(username))
|
||||
# # FIXME: differentiate keynotfound and other errors
|
||||
# except Exception as e:
|
||||
# return Response(status=400, response="Cannot read your network, try registering first (error: {})".format(e))
|
||||
|
||||
# return Response("data={}".format(data.value))
|
||||
# address = get_random_ip(data.value)
|
||||
# # FIXME: catch errors
|
||||
# client.write("/ungleichgame/v1/{}/address".format(username), address)
|
||||
|
||||
# return Response("Your IPv6 address for this game is {}. Make it pingable and post to /level/1/result".format(address))
|
||||
|
||||
# @app.route("/level/2", methods=['GET', 'POST']) # post for username
|
||||
# def pingme():
|
||||
# parser = reqparse.RequestParser()
|
||||
# parser.add_argument('user', required=True)
|
||||
# args = parser.parse_args()
|
||||
|
||||
# # Needs to be fixed with ungleich-otp
|
||||
# username=args['user']
|
||||
|
||||
# if request.method == 'GET':
|
||||
# return Response("""
|
||||
# Proof that you can really control the network that you submitted:
|
||||
|
||||
# - Setup the IPv6 address to be ping6 able globally
|
||||
# - POST to this address when it is configured
|
||||
# """)
|
||||
|
||||
# if request.method == 'POST':
|
||||
# try:
|
||||
# data = client.read("/ungleichgame/v1/{}/address".format(username), address)
|
||||
# except Exception as e:
|
||||
# return Response(status=400,
|
||||
# response="""
|
||||
# You need to register a network before trying to be reachable.
|
||||
# Please go back to Level 1 for registering your network.
|
||||
# """)
|
||||
# return Response("something good")
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
g = Game(__name__, etcd.Client(port=2379))
|
||||
g.app.run(host="::", port=5002)
|
||||
Loading…
Reference in a new issue