main.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from flask import Flask, request, session, g, redirect, url_for, abort, \
   5     render_template, flash
   6 import sqlite3
   7 from datetime import date, timedelta
   8 from contextlib import closing
   9 import locale
  10 locale.setlocale(locale.LC_ALL, '')
  11
  12 DATABASE = '/tmp/cavote.db'
  13 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  14 DEBUG = True
  15
  16 app = Flask(__name__)
  17 app.config.from_object(__name__)
  18
  19 def connect_db():
  20     return sqlite3.connect(app.config['DATABASE'])
  21
  22 @app.before_request
  23 def before_request():
  24     g.db = connect_db()
  25
  26 @app.teardown_request
  27 def teardown_request(exception):
  28     g.db.close()
  29
  30 @app.route('/')
  31 def home():
  32     return render_template('index.html')
  33
  34 def query_db(query, args=(), one=False):
  35     cur = g.db.execute(query, args)
  36     rv = [dict((cur.description[idx][0], value)
  37         for idx, value in enumerate(row)) for row in cur.fetchall()]
  38     return (rv[0] if rv else None) if one else rv
  39
  40 def init_db():
  41     with closing(connect_db()) as db:
  42         with app.open_resource('schema.sql') as f:
  43             db.cursor().executescript(f.read())
  44         db.commit()
  45
  46 #----------------
  47 # Login / Logout
  48
  49 def valid_login(username, password):
  50     return query_db('select * from users where email = ? and password = ?', [username, password], one=True)
  51
  52 def connect_user(user):
  53     session['userid'] = user['id']
  54     session['username'] = user['name']
  55     session['email'] = user['email']
  56     session['organization'] = user['organization']
  57     if user['is_admin'] == 1:
  58         session['is_admin'] = True
  59
  60 def disconnect_user():
  61     session.pop('username', None)
  62     session.pop('is_admin', None)
  63
  64 @app.route('/login', methods=['GET', 'POST'])
  65 def login():
  66     if request.method == 'POST':
  67         user = valid_login(request.form['username'], request.form['password'])
  68         if user is None:
  69             flash('Invalid username/password', 'error')
  70         else:
  71             connect_user(user)
  72             flash('You were logged in', 'success')
  73             return redirect(url_for('home'))
  74     return render_template('login.html')
  75
  76 @app.route('/logout')
  77 def logout():
  78     disconnect_user()
  79     flash('You were logged out', 'info')
  80     return redirect(url_for('home'))
  81
  82 #-----------------
  83 # Change password
  84
  85 @app.route('/password/lost', methods=['GET', 'POST'])
  86 def password_lost():
  87     info = None
  88     if request.method == 'POST':
  89         user = query_db('select * from users where email = ?', [request.form['email']], one=True)
  90         if user is None:
  91             flash('Cet utilisateur n\'existe pas !', 'error')
  92         else:
  93             # :TODO:maethor:120528: Générer la clé, la mettre dans la base de données et envoyer le mail
  94             flash(u"Un mail a été envoyé à " + user['email'], 'info')
  95     return render_template('password_lost.html')
  96
  97 @app.route('/login/<username>/<key>')
  98 def login_key(username, key):
  99     user = query_db('select * from users where email = ? and key = ?', [username, key], one=True)
 100     if user is None:
 101         abort(404)
 102     else:
 103         connect_user(user)
 104         # :TODO:maethor:120528: Remplacer la clé pour qu'elle ne puisse plus être utilisée
 105         flash(u"Veuillez mettre à jour votre mot de passe", 'info')
 106         return redirect(url_for('user_password'), username=user['name'])
 107
 108 #---------------
 109 # User settings
 110
 111 @app.route('/user/<username>')
 112 def show_user(username):
 113     if username != session.get('username'):
 114         abort(401)
 115     return render_template('show_user.html')
 116
 117 @app.route('/user/settings/<username>', methods=['GET', 'POST'])
 118 def user_settings(username):
 119     if username != session.get('username'):
 120         abort(401)
 121     if request.method == 'POST':
 122         g.db.execute('update users set email = ?, name = ?, organization = ? where id = ?',
 123                 [request.form['email'], request.form['name'], request.form['organization'], session['userid']])
 124         g.db.commit()
 125         disconnect_user()
 126         flash(u'Votre profil a été mis à jour !', 'success')
 127         return redirect(url_for('login'))
 128     return render_template('user_settings.html')
 129
 130 @app.route('/user/password/<username>', methods=['GET', 'POST'])
 131 def user_password(username):
 132     if username != session.get('username'):
 133         abort(401)
 134     if request.method == 'POST':
 135         if request.form['password'] == request.form['password2']:
 136             # :TODO:maethor:120528: Chiffrer le mot de passe !
 137             g.db.execute('update users set password = ? where id = ?', [request.form['password'], session['userid']])
 138             g.db.commit()
 139             flash(u'Votre mot de passe a été mis à jour.', 'success')
 140         else:
 141             flash(u'Les mots de passe sont différents.', 'error')
 142     return render_template('user_settings.html')
 143
 144 #------------
 145 # User admin
 146
 147
 148 #------------
 149 # Votes list
 150
 151 @app.route('/votes/<votes>')
 152 def show_votes(votes):
 153     today = date.today()
 154     if votes == 'all':
 155         votes = query_db('select title, description, date_begin, date_end from votes order by id desc')
 156     elif votes == 'archive':
 157         votes = query_db('select title, description, date_begin, date_end from votes where date_end < (?) order by id desc', [today])
 158     elif votes == 'current':
 159         votes = query_db('select title, description, date_begin, date_end from votes where date_end >= (?) order by id desc', [today])
 160     else:
 161         abort(404)
 162     return render_template('show_votes.html', votes=votes)
 163
 164 #-------------
 165 # Votes admin
 166
 167 @app.route('/votes/admin/new')
 168 def new_vote():
 169     if not session.get('is_admin'):
 170         abort(401)
 171     return render_template('new_vote.html')
 172
 173 @app.route('/votes/admin/add', methods=['POST'])
 174 def add_vote():
 175     if not session.get('is_admin'):
 176         abort(401)
 177     date_begin = date.today()
 178     date_end = date.today() + timedelta(days=int(request.form['days']))
 179     transparent = 0
 180     public = 0
 181     multiplechoice = 0
 182     if 'transparent' in request.form.keys():
 183         transparent = 1
 184     if 'public' in request.form.keys():
 185         public = 1
 186     if 'multiplechoice' in request.form.keys():
 187         multiplechoice = 1
 188     g.db.execute('insert into votes (title, description, date_begin, date_end, is_transparent, is_public, is_multiplechoice) values (?, ?, ?, ?, ?, ?, ?)',
 189             [request.form['title'], request.form['description'], date_begin, date_end, transparent, public, multiplechoice])
 190     g.db.commit()
 191     flash('New entry was successfully posted', 'info')
 192     return redirect(url_for('home'))
 193
 194 #------
 195 # Main
 196
 197 if __name__ == '__main__':
 198     app.run()
 199