volgactf.final

VolgaCTF Final is an automatic checking system (ACS) for A/D CTF contests.

This repository contains a CLI & public API library for Python 2/3.

Installation

$ pip install volgactf.final

Flag API

CLI mode

$ VOLGACTF_FINAL_API_ENDPOINT=https://final.volgactf.ru volgactf-final flag info 18adda0e7637fe8a3270808222b3a514= 023897b20007996a0563ab92381f38cc=
18adda0e7637fe8a3270808222b3a514= SUCCESS
  Team: Lorem
  Service: Ipsum
  Round: 1
  Not before: 5/30 16:19:37
  Expires: 5/30 16:24:37
023897b20007996a0563ab92381f38cc= SUCCESS
  Team: Dolor
  Service: Sit
  Round: 1
  Not before: 5/30 16:19:37
  Expires: 5/30 16:24:37

$ VOLGACTF_FINAL_API_ENDPOINT=https://final.volgactf.ru volgactf-final flag submit 18adda0e7637fe8a3270808222b3a514= 023897b20007996a0563ab92381f38cc=
18adda0e7637fe8a3270808222b3a514= SUCCESS
023897b20007996a0563ab92381f38cc= SUCCESS

Note 1. https://final.volgactf.ru stands for an ACS endpoint.

You can submit several flags at once. Please take flag API rate limits into consideration.

Library mode

from volgactf.final.flag_api import FlagAPIHelper

h = FlagAPIHelper('https://final.volgactf.ru')

flags = [
    '18adda0e7637fe8a3270808222b3a514=',
    '023897b20007996a0563ab92381f38cc='
]

r1 = h.get_info(*flags)
# [{'flag': '18adda0e7637fe8a3270808222b3a514=', 'code': <GetInfoResult.SUCCESS: 0>, 'exp': datetime.datetime(2018, 5, 30, 16, 24, 37, tzinfo=tzlocal()), 'service': u'Ipsum', 'team': u'Lorem', 'round': 1, 'nbf': datetime.datetime(2018, 5, 30, 16, 19, 37, tzinfo=tzlocal())}, {'flag': '023897b20007996a0563ab92381f38cc=', 'code': <GetInfoResult.SUCCESS: 0>, 'exp': datetime.datetime(2018, 5, 30, 16, 24, 37, tzinfo=tzlocal()), 'service': u'Sit', 'team': u'Dolor', 'round': 1, 'nbf': datetime.datetime(2018, 5, 30, 16, 19, 37, tzinfo=tzlocal())}]

r2 = h.submit(*flags)
# [{'flag': u'18adda0e7637fe8a3270808222b3a514=', 'code': <SubmitResult.SUCCESS: 0>}, {'flag': u'023897b20007996a0563ab92381f38cc=', 'code': <SubmitResult.SUCCESS: 0>}]

Result codes are specified in volgactf.final.flag_api.GetInfoResult and volgactf.final.flag_api.SubmitResult enums.

Capsule API

CLI mode

$ VOLGACTF_FINAL_API_ENDPOINT=https://final.volgactf.ru volgactf-final capsule public_key
SUCCESS
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE6O4HeeDG/p7CYoHrDh54SBV2RoYW
oOvajNCsb0tBWPC6VZK2jTFhwzShgAnkwkUvzZMMdDiSmHCZOm5x6KZ25Q==
-----END PUBLIC KEY-----

$ VOLGACTF_FINAL_API_ENDPOINT=https://final.volgactf.ru volgactf-final capsule decode eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJmbGFnIjoiZTI0MWNhZDgwZmE1YzFlZGVlYTE1ZjllNjc4YWU4OTA9In0.5lRNzKi_EPcT_wm6i8X0uhwSrV8y8JW0HAATC0dURV8WIEkHsYWoDACd4laaqWdzkS8No-2QREvEF4f5eg4HFw
SUCCESS
Flag: e241cad80fa5c1edeea15f9e678ae890=

Library mode

from volgactf.final.capsule_api import CapsuleAPIHelper

h = CapsuleAPIHelper('https://final.volgactf.ru')

r1 = h.get_public_key()
# {'public_key': u'-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE6O4HeeDG/p7CYoHrDh54SBV2RoYW\noOvajNCsb0tBWPC6VZK2jTFhwzShgAnkwkUvzZMMdDiSmHCZOm5x6KZ25Q==\n-----END PUBLIC KEY-----\n', 'code': <GetPublicKeyResult.SUCCESS: 0>}

r2 = h.decode('eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJmbGFnIjoiZTI0MWNhZDgwZmE1YzFlZGVlYTE1ZjllNjc4YWU4OTA9In0.5lRNzKi_EPcT_wm6i8X0uhwSrV8y8JW0HAATC0dURV8WIEkHsYWoDACd4laaqWdzkS8No-2QREvEF4f5eg4HFw')
# {'decoded': {u'flag': u'e241cad80fa5c1edeea15f9e678ae890='}, 'code': <DecodeResult.SUCCESS: 0>}

Result codes are specified in volgactf.final.capsule_api.GetPublicKeyResult and volgactf.final.capsule_api.DecodeResult enums.

Service API

CLI mode

$ VOLGACTF_FINAL_API_ENDPOINT=https://final.volgactf.ru volgactf-final service list
SUCCESS
#1 Lorem
#2 Ipsum

$ VOLGACTF_FINAL_API_ENDPOINT=https://final.volgactf.ru volgactf-final service status 1 2
#1 UP
#2 NOT_UP

Library mode

from volgactf.final.service_api import ServiceAPIHelper

h = ServiceAPIHelper('https://final.volgactf.ru')

r1 = h.list()
# {'code': <ListResult.SUCCESS: 0>, 'list': [{'id': 1, 'name': 'Lorem'},{'id': 2, 'name': 'Ipsum'}]}

r2 = h.get_status(1, 2)
# [{'service_id': 1, 'code': <GetServiceStatusResult.UP: 0>}, {'service_id': 2, 'code': <GetServiceStatusResult.NOT_UP: 2>}]

r3 = h.is_up(1)
# True

Result codes are specified in volgactf.final.service_api.ListResult and volgactf.final.service_api.GetServiceStatusResult enums.

License

MIT @ VolgaCTF