Files
ctfd-cheaters/flags.py

46 lines
1.3 KiB
Python

from CTFd.models import db
from CTFd.plugins.flags import BaseFlag
from CTFd.utils.user import get_current_user
from .models import CheaterTeams
def report_cheater(challenge_id: int, cheater_id: int, helper_id: int, flag_id: int):
cheater = CheaterTeams(challenge_id, cheater_id, helper_id, flag_id)
db.session.add(cheater)
db.session.commit()
class PersonalFlag(BaseFlag):
name: str = "personal"
templates = { # Nunjucks templates used for key editing & viewing
"create": "/plugins/ctfd_cheaters/assets/create.html",
"update": "/plugins/ctfd_cheaters/assets/edit.html",
}
@staticmethod
def compare(chal_key_obj, provided):
saved = chal_key_obj.content
user_id = chal_key_obj.data
if len(saved) != len(provided):
return False
result = 0
for x, y in zip(saved, provided):
result |= ord(x) ^ ord(y)
if result == 0:
# If the flag is correct, we need to check if the team is the one associated with the flag
curr_user_id = get_current_user().id
if int(user_id) != int(curr_user_id):
# Caught a cheater!
report_cheater(
chal_key_obj.challenge_id, curr_user_id, user_id, chal_key_obj.id
)
return True
return False