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main.py
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main.py
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import os
from random import randint
import uuid
import time
from flask import Flask, request, render_template, redirect, make_response
from werkzeug import secure_filename
from data_manager import DataManager
from model.puzzle_manager import PuzzleManager
from model.puzzle import Puzzle, PuzzleState
from model.problem import Problem
from model.problem_attempt import ProblemAttempt
########## Initialization ###########
app = Flask(__name__, static_url_path="/content", static_folder = "content")
datamgr = DataManager()
datamgr.load()
puzzmgr = PuzzleManager(datamgr)
puzzmgr.load()
ADMIN_PASSWORD = 'puzzles'
# Setup web app configurations
app.config['SOLUTION_FOLDER'] = 'solutions/'
if not os.path.exists(app.config['SOLUTION_FOLDER']):
os.makedirs(app.config['SOLUTION_FOLDER'])
app.config['MAX_CONTENT_LENGTH'] = 10 * 1024 # 10KB
########## Routes ###########
@app.route('/', methods=['GET', 'POST'])
def home():
try:
if request.method == 'GET':
teamname = request.cookies.get('teamname')
if not teamname: # not set
return render_template('team_login.html')
return render_template('home.html', puzzles=puzzmgr.puzzles,
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=teamname)
else:
# Post
# Get the teamname from the form post
teamname = request.form['teamname']
if not teamname: # not set
return render_template('team_login.html')
resp = make_response(render_template('home.html', puzzles=puzzmgr.puzzles,
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=teamname))
resp.set_cookie('teamname', teamname)
return resp
except Exception as ex:
return render_template('error.html', error=str(ex)), 500
@app.route('/changeteamname')
def change_teamname():
resp = make_response(redirect('/'))
resp.set_cookie('teamname', '')
return resp
@app.route('/puzzle/<puzzle_id>', methods=['GET', 'POST'])
def show_puzzle(puzzle_id):
try:
if request.method == 'GET':
if not request.cookies.get('teamname'): # teamname not set, can't view puzzle
return render_template('team_login.html')
puzzle = puzzmgr.get_puzzle(puzzle_id)
if puzzle is None:
return render_template('error.html', error="Puzzle does not exist!"), 403
if puzzle.state == PuzzleState.OPEN:
return render_template('puzzle.html', puzzle=puzzle,
global_point_totals=puzzmgr.get_global_point_totals(),
puzzle_point_totals=puzzle.get_puzzle_point_totals(),
teamname=request.cookies.get('teamname'))
elif puzzle.state == PuzzleState.CLOSED:
return render_template('puzzle_closed.html', puzzle=puzzle,
global_point_totals=puzzmgr.get_global_point_totals(),
puzzle_point_totals=puzzle.get_puzzle_point_totals(),
teamname=request.cookies.get('teamname'))
elif puzzle.state == PuzzleState.NEW:
return render_template('error.html', error="Puzzle is not yet available!"), 403
else:
if 'submit_teamname' in request.form:
# Teamname just submitted
# Get the teamname from the form post
teamname = request.form['teamname']
if not teamname: # not set
return render_template('team_login.html')
resp = make_response(redirect('/puzzle/' + puzzle_id))
resp.set_cookie('teamname', teamname)
return resp
# Problem attempt submission
# retrieve form data
prob_id = request.form['prob_id']
teamname = request.cookies.get('teamname')
solution_file = request.files['solution_file'] # Returns the actual File obj
# ensure the puzzle is open and accepting submissions
puzzle = puzzmgr.get_puzzle(puzzle_id)
if puzzle.state != PuzzleState.OPEN:
# The puzzle is not open, redirect to the closed puzzle page
return render_template('puzzle_closed.html', puzzle=puzzle,
global_point_totals=puzzmgr.get_global_point_totals(),
puzzle_point_totals=puzzle.get_puzzle_point_totals(),
teamname=request.cookies.get('teamname'))
# Clean and truncate teamname to prevent abuse
teamname = teamname.strip()
if len(teamname) > 15:
teamname = teamname[0:12] + '...'
# Store the uploaded solution file
solution_filepath = ''
if solution_file:
filename = secure_filename(solution_file.filename)
filename += str(uuid.uuid1())
solution_filepath = os.path.join(app.config['SOLUTION_FOLDER'],
filename)
solution_file.save(solution_filepath)
else:
# A solution file is required, can't continue without it
return redirect('/', code=302)
# Feed solution and problem files to puzzle app to score the attempt.
problem = puzzle.get_problem(prob_id)
score, error_msg = puzzmgr.score_attempt(puzzle.app_path, problem.problem_file, solution_filepath)
# Record the attempt
attempt = ProblemAttempt()
attempt.teamname = teamname
attempt.score = -1 # -1 indicates an error
if score > 0:
attempt.score = score
attempt.timestamp = time.strftime("%Y-%m-%d %H:%M:%S")
attempt.timedata = time.time()
attempt.solution_filepath = solution_filepath
problem.attempts.append(attempt)
puzzmgr.save() # Data changed, lets save it.
else:
pass # TODO log it
return render_template('puzzle_submitted.html', puzzle_id=puzzle_id, attempt=attempt,
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=request.cookies.get('teamname'),
error_msg=error_msg)
except Exception as ex:
return render_template('error.html', error=str(ex)), 500
@app.route('/admin', methods=['GET', 'POST'])
def show_admin():
try:
if request.method == 'GET':
return render_template('admin_login.html',
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=request.cookies.get('teamname'))
else:
if 'passcode' in request.form:
# Admin is attempting to login
passcode = request.form['passcode']
if passcode == ADMIN_PASSWORD:
return render_template('admin.html', puzzmgr=puzzmgr,
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=request.cookies.get('teamname'))
else:
return render_template('admin_login.html',
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=request.cookies.get('teamname'))
elif 'puzzle_id' in request.form:
# Admin is updating a puzzle
puzzle = puzzmgr.get_puzzle(request.form['puzzle_id'])
assert(puzzle)
# Determine which action the admin is taking on the puzzle
if 'open_puzzle' in request.form and puzzle.state != PuzzleState.OPEN:
puzzle.state = PuzzleState.OPEN
elif 'close_puzzle' in request.form and puzzle.state != PuzzleState.CLOSED:
puzzle.state = PuzzleState.CLOSED
elif 'reset_puzzle' in request.form and puzzle.state != PuzzleState.NEW:
puzzle.reset()
puzzmgr.save() # Data changed, save it
# Return to the admin page after updating the puzzle
return render_template('admin.html', puzzmgr=puzzmgr,
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=request.cookies.get('teamname'))
elif 'reload_data' in request.form:
# Admin is requesting a data reload
datamgr.load()
puzzmgr.load()
# Reload the admin page
return render_template('admin.html', puzzmgr=puzzmgr,
global_point_totals=puzzmgr.get_global_point_totals(),
teamname=request.cookies.get('teamname'))
except Exception as ex:
return render_template('error.html', error=str(ex)), 500
# Error handlers
@app.errorhandler(403)
def forbidden_request(error):
return render_template('error.html', error=error), 403
@app.errorhandler(404)
def page_not_found_request(error):
return render_template('error.html', error=error), 404
@app.errorhandler(410)
def gone_request(error):
return render_template('error.html', error=error), 410
@app.errorhandler(413)
def file_too_large_request(error):
return render_template('error.html', error=error), 413
@app.errorhandler(500)
def internal_server_error_request(error):
return render_template('error.html', error=error), 500
########## Main ###########
if __name__ == '__main__':
app.debug = True
app.run(host='0.0.0.0')