CTFd/tests/challenges/test_dynamic.py

320 lines
10 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from CTFd.models import Challenges
from CTFd.plugins.dynamic_challenges import DynamicChallenge, DynamicValueChallenge
from tests.helpers import (
FakeRequest,
create_ctfd,
destroy_ctfd,
gen_flag,
gen_user,
login_as_user,
register_user,
)
def test_can_create_dynamic_challenge():
"""Test that dynamic challenges can be made from the API/admin panel"""
app = create_ctfd(enable_plugins=True)
with app.app_context():
register_user(app)
client = login_as_user(app, name="admin", password="password")
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 100,
"decay": 20,
"minimum": 1,
"state": "hidden",
"type": "dynamic",
}
r = client.post("/api/v1/challenges", json=challenge_data)
assert r.get_json().get("data")["id"] == 1
challenges = DynamicChallenge.query.all()
assert len(challenges) == 1
challenge = challenges[0]
assert challenge.value == 100
assert challenge.initial == 100
assert challenge.decay == 20
assert challenge.minimum == 1
destroy_ctfd(app)
def test_can_update_dynamic_challenge():
"""Test that dynamic challenges can be deleted"""
app = create_ctfd(enable_plugins=True)
with app.app_context():
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 100,
"decay": 20,
"minimum": 1,
"state": "hidden",
"type": "dynamic",
}
req = FakeRequest(form=challenge_data)
challenge = DynamicValueChallenge.create(req)
assert challenge.value == 100
assert challenge.initial == 100
assert challenge.decay == 20
assert challenge.minimum == 1
challenge_data = {
"name": "new_name",
"category": "category",
"description": "new_description",
"value": "200",
"initial": "200",
"decay": "40",
"minimum": "5",
"max_attempts": "0",
"state": "visible",
}
req = FakeRequest(form=challenge_data)
challenge = DynamicValueChallenge.update(challenge, req)
assert challenge.name == "new_name"
assert challenge.description == "new_description"
assert challenge.value == 200
assert challenge.initial == 200
assert challenge.decay == 40
assert challenge.minimum == 5
assert challenge.state == "visible"
destroy_ctfd(app)
def test_can_add_requirement_dynamic_challenge():
"""Test that requirements can be added to dynamic challenges"""
app = create_ctfd(enable_plugins=True)
with app.app_context():
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 100,
"decay": 20,
"minimum": 1,
"state": "hidden",
"type": "dynamic",
}
req = FakeRequest(form=challenge_data)
challenge = DynamicValueChallenge.create(req)
assert challenge.value == 100
assert challenge.initial == 100
assert challenge.decay == 20
assert challenge.minimum == 1
challenge_data = {
"name": "second_name",
"category": "category",
"description": "new_description",
"value": "200",
"initial": "200",
"decay": "40",
"minimum": "5",
"max_attempts": "0",
"state": "visible",
}
req = FakeRequest(form=challenge_data)
challenge = DynamicValueChallenge.create(req)
assert challenge.name == "second_name"
assert challenge.description == "new_description"
assert challenge.value == 200
assert challenge.initial == 200
assert challenge.decay == 40
assert challenge.minimum == 5
assert challenge.state == "visible"
challenge_data = {"requirements": [1]}
req = FakeRequest(form=challenge_data)
challenge = DynamicValueChallenge.update(challenge, req)
assert challenge.requirements == [1]
destroy_ctfd(app)
def test_can_delete_dynamic_challenge():
app = create_ctfd(enable_plugins=True)
with app.app_context():
register_user(app)
client = login_as_user(app, name="admin", password="password")
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 100,
"decay": 20,
"minimum": 1,
"state": "hidden",
"type": "dynamic",
}
r = client.post("/api/v1/challenges", json=challenge_data)
assert r.get_json().get("data")["id"] == 1
challenges = DynamicChallenge.query.all()
assert len(challenges) == 1
challenge = challenges[0]
DynamicValueChallenge.delete(challenge)
challenges = DynamicChallenge.query.all()
assert len(challenges) == 0
destroy_ctfd(app)
def test_dynamic_challenge_loses_value_properly():
app = create_ctfd(enable_plugins=True)
with app.app_context():
register_user(app)
client = login_as_user(app, name="admin", password="password")
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 100,
"decay": 20,
"minimum": 1,
"state": "visible",
"type": "dynamic",
}
r = client.post("/api/v1/challenges", json=challenge_data)
assert r.get_json().get("data")["id"] == 1
gen_flag(app.db, challenge_id=1, content="flag")
for i, team_id in enumerate(range(2, 26)):
name = "user{}".format(team_id)
email = "user{}@ctfd.io".format(team_id)
# We need to bypass rate-limiting so gen_user instead of register_user
gen_user(app.db, name=name, email=email)
with app.test_client() as client:
# We need to bypass rate-limiting so creating a fake user instead of logging in
with client.session_transaction() as sess:
sess["id"] = team_id
sess["name"] = name
sess["email"] = email
sess["nonce"] = "fake-nonce"
data = {"submission": "flag", "challenge_id": 1}
r = client.post("/api/v1/challenges/attempt", json=data)
resp = r.get_json()["data"]
assert resp["status"] == "correct"
chal = DynamicChallenge.query.filter_by(id=1).first()
if i >= 20:
assert chal.value == chal.minimum
else:
assert chal.initial >= chal.value
assert chal.value > chal.minimum
destroy_ctfd(app)
def test_dynamic_challenge_doesnt_lose_value_on_update():
"""Dynamic challenge updates without changing any values or solves shouldn't change the current value. See #1043"""
app = create_ctfd(enable_plugins=True)
with app.app_context():
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 10000,
"decay": 4,
"minimum": 10,
"state": "visible",
"type": "dynamic",
}
req = FakeRequest(form=challenge_data)
challenge = DynamicValueChallenge.create(req)
challenge_id = challenge.id
gen_flag(app.db, challenge_id=challenge.id, content="flag")
register_user(app)
with login_as_user(app) as client:
data = {"submission": "flag", "challenge_id": challenge_id}
r = client.post("/api/v1/challenges/attempt", json=data)
assert r.status_code == 200
assert r.get_json()["data"]["status"] == "correct"
chal = Challenges.query.filter_by(id=challenge_id).first()
prev_chal_value = chal.value
chal = DynamicValueChallenge.update(chal, req)
assert prev_chal_value == chal.value
destroy_ctfd(app)
def test_dynamic_challenge_value_isnt_affected_by_hidden_users():
app = create_ctfd(enable_plugins=True)
with app.app_context():
register_user(app)
client = login_as_user(app, name="admin", password="password")
challenge_data = {
"name": "name",
"category": "category",
"description": "description",
"value": 100,
"decay": 20,
"minimum": 1,
"state": "visible",
"type": "dynamic",
}
r = client.post("/api/v1/challenges", json=challenge_data)
assert r.get_json().get("data")["id"] == 1
gen_flag(app.db, challenge_id=1, content="flag")
# Make a solve as a regular user. This should not affect the value.
data = {"submission": "flag", "challenge_id": 1}
r = client.post("/api/v1/challenges/attempt", json=data)
resp = r.get_json()["data"]
assert resp["status"] == "correct"
# Make solves as hidden users. Also should not affect value
for i, team_id in enumerate(range(2, 26)):
name = "user{}".format(team_id)
email = "user{}@ctfd.io".format(team_id)
# We need to bypass rate-limiting so gen_user instead of register_user
user = gen_user(app.db, name=name, email=email)
user.hidden = True
app.db.session.commit()
with app.test_client() as client:
# We need to bypass rate-limiting so creating a fake user instead of logging in
with client.session_transaction() as sess:
sess["id"] = team_id
sess["name"] = name
sess["email"] = email
sess["nonce"] = "fake-nonce"
data = {"submission": "flag", "challenge_id": 1}
r = client.post("/api/v1/challenges/attempt", json=data)
resp = r.get_json()["data"]
assert resp["status"] == "correct"
chal = DynamicChallenge.query.filter_by(id=1).first()
assert chal.value == chal.initial
destroy_ctfd(app)