easyctf-2017/server/api/problem.py

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import logger
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from flask import Blueprint, session, request
from flask import current_app as app
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from models import db, Problems, Solves, Teams
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from decorators import admins_only, api_wrapper
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blueprint = Blueprint("problem", __name__)
@blueprint.route("/add", methods=["POST"])
@admins_only
@api_wrapper
def problem_add():
name = request.form["name"]
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category = request.form["category"]
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description = request.form["description"]
hint = request.form["hint"]
flag = request.form["flag"]
value = request.form["value"]
name_exists = Problems.query.filter_by(name=name).first()
if name_exists:
return { "success":0, "message": "Problem name already taken." }
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problem = Problems(name, category, description, hint, flag, value)
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db.session.add(problem)
db.session.commit()
return { "success": 1, "message": "Success!" }
@blueprint.route("/delete", methods=["POST"])
@admins_only
@api_wrapper
def problem_delete():
pid = request.form["pid"]
problem = Problems.query.filter_by(pid=pid).first()
if problem:
Solves.query.filter_by(pid=pid).delete()
Challenges.query.filter_by(pid=pid).delete()
db.session.commit()
return { "success": 1, "message": "Success!" }
return { "success": 0, "message": "Problem does not exist!" }
@blueprint.route("/update", methods=["POST"])
@admins_only
@api_wrapper
def problem_update():
pid = request.form["pid"]
name = request.form["name"]
description = request.form["description"]
hint = request.form["hint"]
flag = request.form["flag"]
disabled = request.form["disabled"]
value = request.form["value"]
problem = Problems.query.filter_by(pid=pid).first()
if problem:
problem.name = name
problem.description = description
problem.hint = hint
problem.flag = flag
problem.disabled = disabled
problem.value = value
db.session.add(problem)
db.session.commit()
return { "success": 1, "message": "Success!" }
return { "success": 0, "message": "Problem does not exist!" }
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@blueprint.route("/submit", methods=["POST"])
@api_wrapper
def problem_submit():
pid = request.form["pid"]
flag = request.form["flag"]
tid = session["tid"]
problem = Problems.query.filter_by(pid=pid).first()
team = Teams.query.filter_by(tid=tid).first()
if problem:
if flag == problem.flag:
solve = Solves(pid, tid)
team.score += problem.value
problem.solves += 1
db.session.add(solve)
db.session.add(team)
db.session.add(problem)
db.session.commit()
logger.log("submissions.log", logger.WARNING, "%s has solved %s by submitting %s" % (team.name, problem.name, flag))
return { "success": 1, "message": "Correct!" }
else:
logger.log("submissions.log", logger.WARNING, "%s has incorrectly submitted %s to %s" % (team.name, flag, problem.name))
return { "success": 0, "message": "Incorrect." }
else:
return { "success": 0, "message": "Problem does not exist!" }