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 import hashlib
  12
  13 DATABASE = '/tmp/cavote.db'
  14 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  15 DEBUG = True
  16
  17 app = Flask(__name__)
  18 app.config.from_object(__name__)
  19
  20 def connect_db():
  21     return sqlite3.connect(app.config['DATABASE'])
  22
  23 @app.before_request
  24 def before_request():
  25     g.db = connect_db()
  26
  27 @app.teardown_request
  28 def teardown_request(exception):
  29     g.db.close()
  30
  31 @app.route('/')
  32 def home():
  33     return render_template('index.html', active_button="home")
  34
  35 def query_db(query, args=(), one=False):
  36     cur = g.db.execute(query, args)
  37     rv = [dict((cur.description[idx][0], value)
  38         for idx, value in enumerate(row)) for row in cur.fetchall()]
  39     return (rv[0] if rv else None) if one else rv
  40
  41 def init_db():
  42     with closing(connect_db()) as db:
  43         with app.open_resource('schema.sql') as f:
  44             db.cursor().executescript(f.read())
  45         db.commit()
  46
  47 #----------------
  48 # Login / Logout
  49
  50 def valid_login(username, password):
  51     return query_db('select * from users where email = ? and password = ?', [username, crypt(password)], one=True)
  52
  53 def connect_user(user):
  54     session['user'] = user # :KLUDGE:maethor:120528: Stoquer toute la ligne de la table users dans la session, c'est un peu crade
  55     del session['user']['password']
  56     del session['user']['key']
  57
  58 def disconnect_user():
  59     session.pop('user', None)
  60
  61 def crypt(passwd):
  62     return hashlib.sha1(passwd).hexdigest()
  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: Generer la cle, 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/<userid>/<key>')
  98 def login_key(userid, key):
  99     user = query_db('select * from users where id = ? and key = ?', [userid, key], one=True)
 100     if user is None or key == "invalid":
 101         abort(404)
 102     else:
 103         connect_user(user)
 104         # :TODO:maethor:120528: Remplacer la clé pour qu'elle ne puisse plus être utilisée (invalid)
 105         flash(u"Veuillez mettre à jour votre mot de passe", 'info')
 106         return redirect(url_for('user_password'), userid=user['userid'])
 107
 108 #---------------
 109 # User settings
 110
 111 @app.route('/user/<userid>')
 112 def user(userid):
 113     if int(userid) != session.get('user').get('id'):
 114         abort(401)
 115     groups = query_db('select * from roles join user_role on id=id_role where id_user = ?', userid)
 116     return render_template('user.html', groups=groups)
 117
 118 @app.route('/user/settings/<userid>', methods=['GET', 'POST'])
 119 def user_edit(userid):
 120     if int(userid) != session.get('user').get('id'):
 121         abort(401)
 122     if request.method == 'POST':
 123         if query_db('select * from users where email=? and id!=?', [request.form['email'], userid], one=True) is None:
 124             if query_db('select * from users where name=? and id!=?', [request.form['name'], userid], one=True) is None:
 125                 g.db.execute('update users set email = ?, name = ?, organization = ? where id = ?',
 126                         [request.form['email'], request.form['name'], request.form['organization'], session['user']['id']])
 127                 g.db.commit()
 128                 disconnect_user() # :TODO:maethor:120528: Maybe useless, but this is simple way to refresh session :D
 129                 user = query_db('select * from users where id=?', [userid], one=True)
 130                 if user is None:
 131                     flash(u'Une erreur s\'est produite.', 'error')
 132                     return redirect(url_for('login'))
 133                 connect_user(user)
 134                 flash(u'Votre profil a été mis à jour !', 'success')
 135             else:
 136                 flash(u'Le nom ' + request.form['name'] + u' est déjà pris ! Veuillez en choisir un autre.', 'error')
 137         else:
 138             flash(u'Il existe déjà un compte pour cette adresse e-mail : ' + request.form['email'], 'error')
 139     return render_template('user_edit.html')
 140
 141 @app.route('/user/password/<userid>', methods=['GET', 'POST'])
 142 def user_password(userid):
 143     if int(userid) != session.get('user').get('id'):
 144         abort(401)
 145     if request.method == 'POST':
 146         if request.form['password'] == request.form['password2']:
 147             g.db.execute('update users set password = ? where id = ?', [crypt(request.form['password']), session['user']['id']])
 148             g.db.commit()
 149             flash(u'Votre mot de passe a été mis à jour.', 'success')
 150         else:
 151             flash(u'Les mots de passe sont différents.', 'error')
 152     return render_template('user_edit.html')
 153
 154 #------------
 155 # User admin
 156
 157 @app.route('/admin/users')
 158 def admin_users():
 159     if not session.get('user').get('is_admin'):
 160         abort(401)
 161     tuples = query_db('select *, roles.name as rolename from (select *, id as userid, name as username from users join user_role on id=id_user order by id desc) join roles on id_role=roles.id')
 162     users = dict()
 163     for t in tuples:
 164         if t['userid'] in users:
 165             users[t['userid']]['roles'].append(t["rolename"])
 166         else:
 167             users[t['userid']] = dict()
 168             users[t['userid']]['userid'] = t['userid']
 169             users[t['userid']]['email'] = t['email']
 170             users[t['userid']]['username'] = t['username']
 171             users[t['userid']]['is_admin'] = t['is_admin']
 172             users[t['userid']]['roles'] = [t['rolename']]
 173
 174     return render_template('admin_users.html', users=users.values())
 175
 176 @app.route('/admin/users/add', methods=['GET', 'POST'])
 177 def admin_user_add():
 178     if not session.get('user').get('is_admin'):
 179         abort(401)
 180     if request.method == 'POST':
 181         if request.form['email']:
 182             # :TODO:maethor:120528: Check fields
 183             password = "toto" # :TODO:maethor:120528: Generate password
 184             admin = 0
 185             if 'admin' in request.form.keys():
 186                 admin = 1
 187             g.db.execute('insert into users (email, name, organization, password, is_admin) values (?, ?, ?, ?, ?)',
 188                     [request.form['email'], request.form['username'], request.form['organization'], password, admin])
 189             g.db.commit()
 190             user = query_db('select * from users where email = ?', [request.form["email"]], one=True)
 191             if user:
 192               for role in request.form.getlist('roles'):
 193                   # :TODO:maethor:120528: Check if this role exist
 194                   if query_db('select id from roles where id = ?', role, one=True) is None:
 195                       abort(401)
 196                   g.db.execute('insert into user_role values (?, ?)', [user['id'], role])
 197                   g.db.commit()
 198               # :TODO:maethor:120528: Send mail
 199               flash(u'Le nouvel utilisateur a été créé avec succès', 'success')
 200               return redirect(url_for('admin_users'))
 201             else:
 202                 flash(u'Une erreur s\'est produite.', 'error')
 203         else:
 204             flash(u"Vous devez spécifier une adresse email.", 'error')
 205     groups = query_db('select * from roles where system=0')
 206     return render_template('admin_user_new.html', groups=groups)
 207
 208 #-------------
 209 # Roles admin
 210
 211 @app.route('/admin/roles')
 212 def admin_roles():
 213     if not session.get('user').get('is_admin'):
 214         abort(401)
 215     roles = query_db('select * from roles')
 216     return render_template('admin_roles.html', roles=roles)
 217
 218 @app.route('/admin/roles/add', methods=['POST'])
 219 def admin_role_add():
 220     if not session.get('user').get('is_admin'):
 221         abort(401)
 222     if request.method == 'POST':
 223         if request.form['name']:
 224             g.db.execute('insert into roles (name) values (?)', [request.form['name']])
 225             g.db.commit()
 226         else:
 227             flash(u"Vous devez spécifier un nom.", "error")
 228     return redirect(url_for('admin_roles'))
 229
 230 @app.route('/admin/roles/delete/<idrole>')
 231 def admin_role_del(idrole):
 232     if not session.get('user').get('is_admin'):
 233         abort(401)
 234     role = query_db('select * from roles where id = ?', [idrole], one=True)
 235     if role is None:
 236         abort(404)
 237     if role['system']:
 238         abort(401)
 239     g.db.execute('delete from roles where id = ?', [idrole])
 240     g.db.commit()
 241     return redirect(url_for('admin_roles'))
 242
 243 #------------
 244 # Votes list
 245
 246 @app.route('/votes/<votes>')
 247 def votes(votes):
 248     today = date.today()
 249     active_button = votes
 250     basequery = 'select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where is_open=1'
 251     if votes == 'all':
 252         votes = query_db(basequery + ' order by id desc')
 253     elif votes == 'archive':
 254         votes = query_db(basequery + ' and date_end < (?) order by id desc', [today])
 255     elif votes == 'current':
 256         votes = query_db(basequery + ' and date_end >= (?) order by id desc', [today])
 257     else:
 258         abort(404)
 259     return render_template('votes.html', votes=votes, active_button=active_button)
 260
 261 #------
 262 # Vote
 263
 264 def can_see_vote(idvote, iduser=-1):
 265     user = query_db('select * from users where id=?', [iduser], one=True)
 266     vote = query_db('select * from votes where id=?', [idvote], one=True)
 267     if user is None and not vote.is_public:
 268         return False
 269     return True # :TODO:maethor:120529: Check others things
 270
 271 def can_vote(idvote, iduser=-1):
 272     if not can_see_vote(idvote, iduser):
 273         return False
 274     return True # :TODO:maethor:120529: Check others things
 275
 276 @app.route('/vote/<idvote>')
 277 def vote(idvote):
 278     vote = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where votes.id=?', [idvote], one=True)
 279     if vote is None:
 280         abort(404)
 281     if can_see_vote(idvote, session.get('user').get('id')):
 282         choices = query_db('select * from choices where id_vote=?', [idvote])
 283         attachments = query_db('select * from attachments where id_vote=?', [idvote])
 284         return render_template('vote.html', vote=vote, attachments=attachments, choices=choices, can_vote=can_vote(idvote, session.get('user').get('id')))
 285     flash('Vous n\'avez pas le droit de voir ce vote, désolé.')
 286     return(url_for('home'))
 287
 288 #-------------
 289 # Votes admin
 290
 291 @app.route('/admin/votes/list')
 292 def admin_votes():
 293     if not session.get('user').get('is_admin'):
 294         abort(401)
 295     votes = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role order by id desc')
 296     return render_template('admin_votes.html', votes=votes)
 297
 298 @app.route('/admin/votes/add', methods=['GET', 'POST'])
 299 def admin_vote_add():
 300     if not session.get('user').get('is_admin'):
 301         abort(401)
 302     if request.method == 'POST':
 303         if request.form['title']:
 304             date_begin = date.today()
 305             date_end = date.today() + timedelta(days=int(request.form['days']))
 306             transparent = 0
 307             public = 0
 308             multiplechoice = 0
 309             if 'transparent' in request.form.keys():
 310                 transparent = 1
 311             if 'public' in request.form.keys():
 312                 public = 1
 313             if 'multiplechoice' in request.form.keys():
 314                 multiplechoice = 1
 315             role = query_db('select id from roles where name = ?', [request.form['role']], one=True)
 316             if role is None:
 317                 role[id] = 1
 318             g.db.execute('insert into votes (title, description, category, date_begin, date_end, is_transparent, is_public, is_multiplechoice, id_role, id_author) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
 319                     [request.form['title'], request.form['description'], request.form['category'], date_begin, date_end, transparent, public, multiplechoice, role['id'], session['user']['id']])
 320             g.db.commit()
 321             vote = query_db('select * from votes where title = ? and date_begin = ? order by id desc',
 322                     [request.form['title'], date_begin], one=True) # :DEBUG:maethor:120528: Bug possible car le titre n'est pas unique
 323             if vote is None:
 324                 flash(u'Une erreur est survenue !', 'error')
 325                 return redirect(url_for('home'))
 326             else:
 327                 flash(u"Le vote a été créé", 'info')
 328                 return redirect(url_for('admin_vote_edit', voteid=vote['id']))
 329         else:
 330             flash(u'Vous devez spécifier un titre.', 'error')
 331     groups = query_db('select * from roles')
 332     return render_template('admin_vote_new.html', groups=groups)
 333
 334 @app.route('/admin/votes/edit/<voteid>', methods=['GET', 'POST'])
 335 def admin_vote_edit(voteid):
 336     if not session.get('user').get('is_admin'):
 337         abort(401)
 338     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 339     if vote is None:
 340         abort(404)
 341     if request.method == 'POST':
 342         if request.form['title']:
 343             # :TODO:maethor:120529: Calculer date_begin pour pouvoir y ajouter duration et obtenir date_end
 344             transparent = 0
 345             public = 0
 346             if 'transparent' in request.form.keys():
 347                 transparent = 1
 348             if 'public' in request.form.keys():
 349                 public = 1
 350             isopen = 0
 351             if request.form['status'] == 'Ouvert': # :TODO:maethor:120529: Check if there is at least 2 choices before
 352                 isopen = 1
 353             g.db.execute('update votes set title = ?, description = ?, category = ?, is_transparent = ?, is_public = ?, is_open = ? where id = ?',
 354                     [request.form['title'], request.form['description'], request.form['category'], transparent, public, isopen, voteid])
 355             g.db.commit()
 356             vote = query_db('select * from votes where id = ?', [voteid], one=True)
 357             flash(u"Le vote a bien été mis à jour.", "success")
 358         else:
 359             flash(u'Vous devez spécifier un titre.', 'error')
 360
 361     # :TODO:maethor:120529: Calculer la durée du vote (différence date_end - date_begin)
 362     vote['duration'] = 15
 363     group = query_db('select name from roles where id = ?', [vote['id_role']], one=True)
 364     choices = query_db('select * from choices where id_vote = ?', [voteid])
 365     attachments = query_db('select * from attachments where id_vote = ?', [voteid])
 366     return render_template('admin_vote_edit.html', vote=vote, group=group, choices=choices, attachments=attachments)
 367
 368 @app.route('/admin/votes/addchoice/<voteid>', methods=['POST'])
 369 def admin_vote_addchoice(voteid):
 370     if not session.get('user').get('is_admin'):
 371         abort(401)
 372     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 373     if vote is None:
 374         abort(404)
 375     g.db.execute('insert into choices (name, id_vote) values (?, ?)', [request.form['title'], voteid])
 376     g.db.commit()
 377     return redirect(url_for('admin_vote_edit', voteid=voteid))
 378
 379 @app.route('/admin/votes/editchoice/<voteid>/<choiceid>', methods=['POST', 'DELETE'])
 380 def admin_vote_editchoice(voteid, choiceid):
 381     if not session.get('user').get('is_admin'):
 382         abort(401)
 383     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 384     if choice is None:
 385         abort(404)
 386     if request.method == 'POST':
 387         g.db.execute('update choices set name=? where id = ? and id_vote = ?', [request.form['title'], choiceid, voteid])
 388         g.db.commit()
 389     elif request.method == 'DELETE': # :COMMENT:maethor:120528: I can't find how to use it from template
 390         g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 391         g.db.commt()
 392     return redirect(url_for('admin_vote_edit', voteid=voteid))
 393
 394 @app.route('/admin/votes/deletechoice/<voteid>/<choiceid>')
 395 def admin_vote_deletechoice(voteid, choiceid):
 396     if not session.get('user').get('is_admin'):
 397         abort(401)
 398     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 399     if choice is None:
 400         abort(404)
 401     g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 402     g.db.commit()
 403     return redirect(url_for('admin_vote_edit', voteid=voteid))
 404
 405 @app.route('/admin/votes/addattachment/<voteid>', methods=['POST'])
 406 def admin_vote_addattachment(voteid):
 407     if not session.get('user').get('is_admin'):
 408         abort(401)
 409     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 410     if vote is None:
 411         abort(404)
 412     g.db.execute('insert into attachments (url, id_vote) values (?, ?)', [request.form['url'], voteid])
 413     g.db.commit()
 414     return redirect(url_for('admin_vote_edit', voteid=voteid))
 415
 416 @app.route('/admin/votes/deleteattachment/<voteid>/<attachmentid>')
 417 def admin_vote_deleteattachment(voteid, attachmentid):
 418     if not session.get('user').get('is_admin'):
 419         abort(401)
 420     attachment = query_db('select * from attachments where id = ? and id_vote = ?', [attachmentid, voteid], one=True)
 421     if attachment is None:
 422         abort(404)
 423     g.db.execute('delete from attachments where id = ? and id_vote = ?', [attachmentid, voteid])
 424     g.db.commit()
 425     return redirect(url_for('admin_vote_edit', voteid=voteid))
 426
 427 #------
 428 # Main
 429
 430 if __name__ == '__main__':
 431     app.run()
 432