mattermore/app/app.py
2019-02-13 20:36:10 +01:00

153 lines
4.9 KiB
Python

import json
from functools import wraps
from flask import Flask, request, Response, abort, render_template
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
import requests
import config
import re
import pdb
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = config.DATABASE_URL
# Supress Flask warning
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
migrate = Migrate(app, db)
response_setting = "in_channel"
from app import models
def check_regular(username):
'''Check if a user has the permissions of a regular user.'''
return models.User.query.filter_by(username=username, authorized=True).first() is not None
def check_admin(username):
'''Check if a user is an admin'''
return models.User.query.filter_by(username=username, authorized=True, admin=True).first() is not None
def requires_regular(f):
'''Decorator to require a regular user'''
@wraps(f)
def decorated(*args, **kwargs):
username = request.values.get('user_name')
if not username or not check_regular(username):
return abort(401)
return f(username, *args, **kwargs)
return decorated
def requires_admin(f):
'''Decorator to require an admin user'''
@wraps(f)
def decorated(*args, **kwargs):
username = request.values.get('user_name')
if not username or not check_admin(username):
return abort(401)
return f(username, *args, **kwargs)
return decorated
def requires_token(token_name):
'''Decorator to require a correct Mattermost token'''
def decorator(f):
@wraps(f)
def decorated_function(*args, **kwargs):
expected_token = config.tokens[token_name]
token = request.values.get('token')
if expected_token != token:
return abort(401)
return f(*args, **kwargs)
return decorated_function
return decorator
def mattermost_response(message, ephemeral=False):
response_dict = {"response_type": "ephemeral" if ephemeral else "in_channel",
"text": message}
return Response(json.dumps(response_dict), mimetype="application/json")
@app.route('/authorize', methods=['POST'])
@requires_token('authorize')
@requires_admin
def authorize(admin_username):
'''Slash-command to authorize a new user or modify an existing user'''
tokens = request.values.get('text').strip().split()
to_authorize = tokens[0]
as_admin = len(tokens) == 2 and tokens[1] == 'admin'
user = models.User.query.filter_by(username=to_authorize).first()
if not user:
user = models.User(to_authorize)
user.authorized = True
user.admin = as_admin or user.admin
db.session.add(user)
db.session.commit()
if user.admin:
return mattermost_response("'{}' is now an admin".format(to_authorize))
else:
return mattermost_response("'{}' is now a regular user".format(to_authorize))
@app.route('/revoke', methods=['POST'])
@requires_token('revoke')
@requires_admin
def revoke(admin_username):
'''Slash-command to revoke a user'''
tokens = request.values.get('text').strip().split()
to_revoke = tokens[0]
user = models.User.query.filter_by(username=to_revoke).first()
if not user:
return mattermost_response("Could not find '{}'".format(to_revoke))
if user.admin:
return mattermost_response("Can't revoke admin user")
user.authorized = False
db.session.add(user)
db.session.commit()
return mattermost_response("'{}' revoked".format(to_revoke))
def slotmachien_request(username, command):
r = requests.post(config.slotmachien_url, data={
'username': username, 'token': config.slotmachien_token, 'text': command})
return r.text
@app.route('/door', methods=['POST'])
@requires_token('door')
@requires_regular
def door(username):
tokens = request.values.get('text').strip().split()
command = tokens[0].lower()
return mattermost_response(slotmachien_request(username, command), ephemeral=True)
@app.route('/cammiechat', methods=['POST'])
@requires_token('cammiechat')
@requires_regular
def cammiechat(username):
headers = {
"X-Username": username
}
requests.post("https://kelder.zeus.ugent.be/messages/", data=request.values.get('text').strip(), headers=headers)
return mattermost_response("Message sent", ephemeral=True)
QUOTEE_REGEX = re.compile('\W*(\w+).*')
@app.route('/addquote', methods=['POST'])
@requires_token('quote')
def add_quote():
user = request.values['user_name']
channel = request.values['channel_name']
quote_text = request.values['text']
quote = models.Quote(user, quote_text, channel)
db.session.add(quote)
db.session.commit()
return mattermost_response("Your quote has been added.")
@app.route('/', methods=['GET'])
def list_quotes():
return render_template('quotes.html', quotes = models.Quote.query.all())