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()
 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     # :TODO:maethor:120604: Check if user has'nt already vote
 273     if not can_see_vote(idvote, iduser):
 274         return False
 275     return True # :TODO:maethor:120529: Check others things
 276
 277 @app.route('/vote/<idvote>', methods=['GET', 'POST'])
 278 def vote(idvote):
 279     vote = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where votes.id=?', [idvote], one=True)
 280     if vote is None:
 281         abort(404)
 282     if can_see_vote(idvote, session.get('user').get('id')):
 283         choices = query_db('select name, id from choices where id_vote=?', [idvote])
 284         if request.method == 'POST':
 285             if can_vote(idvote, session.get('user').get('id')):
 286                 for choice in choices:
 287                     if str(choice['id']) in request.form.keys():
 288                         g.db.execute('insert into user_choice (id_user, id_choice) values (?, ?)',
 289                                 [session.get('user').get('id'), choice['id']])
 290                         g.db.commit()
 291                         if vote['is_multiplechoice'] == 0:
 292                             break
 293             else:
 294                 abort(401)
 295         tuples = query_db('select choiceid, choicename, users.id as userid, users.name as username from (select choices.id as choiceid, choices.name as choicename, id_user as userid from choices join user_choice on choices.id = user_choice.id_choice where id_vote = ?) join users on userid = users.id', [idvote])
 296         users = dict()
 297         for t in tuples:
 298             if t['userid'] in users:
 299                 choice = dict()
 300                 choice['id'] = t['choiceid']
 301                 choice['name'] = t['choicename']
 302                 users[t['userid']]['choices'].append(choice)
 303             else:
 304                 users[t['userid']] = dict()
 305                 users[t['userid']]['userid'] = t['userid']
 306                 users[t['userid']]['username'] = t['username']
 307                 choice = dict()
 308                 choice['id'] = t['choiceid']
 309                 choice['name'] = t['choicename']
 310                 users[t['userid']]['choices'] = [choice]
 311         attachments = query_db('select * from attachments where id_vote=?', [idvote])
 312         return render_template('vote.html', vote=vote, attachments=attachments, choices=choices, users=users.values(), can_vote=can_vote(idvote, session.get('user').get('id')))
 313     flash('Vous n\'avez pas le droit de voir ce vote, désolé.')
 314     return(url_for('home'))
 315
 316 #-------------
 317 # Votes admin
 318
 319 @app.route('/admin/votes/list')
 320 def admin_votes():
 321     if not session.get('user').get('is_admin'):
 322         abort(401)
 323     votes = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role order by id desc')
 324     return render_template('admin_votes.html', votes=votes)
 325
 326 @app.route('/admin/votes/add', methods=['GET', 'POST'])
 327 def admin_vote_add():
 328     if not session.get('user').get('is_admin'):
 329         abort(401)
 330     if request.method == 'POST':
 331         if request.form['title']:
 332             date_begin = date.today()
 333             date_end = date.today() + timedelta(days=int(request.form['days']))
 334             transparent = 0
 335             public = 0
 336             multiplechoice = 0
 337             if 'transparent' in request.form.keys():
 338                 transparent = 1
 339             if 'public' in request.form.keys():
 340                 public = 1
 341             if 'multiplechoice' in request.form.keys():
 342                 multiplechoice = 1
 343             role = query_db('select id from roles where name = ?', [request.form['role']], one=True)
 344             if role is None:
 345                 role[id] = 1
 346             g.db.execute('insert into votes (title, description, category, date_begin, date_end, is_transparent, is_public, is_multiplechoice, id_role, id_author) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
 347                     [request.form['title'], request.form['description'], request.form['category'], date_begin, date_end, transparent, public, multiplechoice, role['id'], session['user']['id']])
 348             g.db.commit()
 349             vote = query_db('select * from votes where title = ? and date_begin = ? order by id desc',
 350                     [request.form['title'], date_begin], one=True) # :DEBUG:maethor:120528: Bug possible car le titre n'est pas unique
 351             if vote is None:
 352                 flash(u'Une erreur est survenue !', 'error')
 353                 return redirect(url_for('home'))
 354             else:
 355                 flash(u"Le vote a été créé", 'info')
 356                 return redirect(url_for('admin_vote_edit', voteid=vote['id']))
 357         else:
 358             flash(u'Vous devez spécifier un titre.', 'error')
 359     groups = query_db('select * from roles')
 360     return render_template('admin_vote_new.html', groups=groups)
 361
 362 @app.route('/admin/votes/edit/<voteid>', methods=['GET', 'POST'])
 363 def admin_vote_edit(voteid):
 364     if not session.get('user').get('is_admin'):
 365         abort(401)
 366     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 367     if vote is None:
 368         abort(404)
 369     if request.method == 'POST':
 370         if request.form['title']:
 371             # :TODO:maethor:120529: Calculer date_begin pour pouvoir y ajouter duration et obtenir date_end
 372             transparent = 0
 373             public = 0
 374             if 'transparent' in request.form.keys():
 375                 transparent = 1
 376             if 'public' in request.form.keys():
 377                 public = 1
 378             isopen = 0
 379             if request.form['status'] == 'Ouvert': # :TODO:maethor:120529: Check if there is at least 2 choices before
 380                 isopen = 1
 381             g.db.execute('update votes set title = ?, description = ?, category = ?, is_transparent = ?, is_public = ?, is_open = ? where id = ?',
 382                     [request.form['title'], request.form['description'], request.form['category'], transparent, public, isopen, voteid])
 383             g.db.commit()
 384             vote = query_db('select * from votes where id = ?', [voteid], one=True)
 385             flash(u"Le vote a bien été mis à jour.", "success")
 386         else:
 387             flash(u'Vous devez spécifier un titre.', 'error')
 388
 389     # :TODO:maethor:120529: Calculer la durée du vote (différence date_end - date_begin)
 390     vote['duration'] = 15
 391     group = query_db('select name from roles where id = ?', [vote['id_role']], one=True)
 392     choices = query_db('select * from choices where id_vote = ?', [voteid])
 393     attachments = query_db('select * from attachments where id_vote = ?', [voteid])
 394     return render_template('admin_vote_edit.html', vote=vote, group=group, choices=choices, attachments=attachments)
 395
 396 @app.route('/admin/votes/addchoice/<voteid>', methods=['POST'])
 397 def admin_vote_addchoice(voteid):
 398     if not session.get('user').get('is_admin'):
 399         abort(401)
 400     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 401     if vote is None:
 402         abort(404)
 403     g.db.execute('insert into choices (name, id_vote) values (?, ?)', [request.form['title'], voteid])
 404     g.db.commit()
 405     return redirect(url_for('admin_vote_edit', voteid=voteid))
 406
 407 @app.route('/admin/votes/editchoice/<voteid>/<choiceid>', methods=['POST', 'DELETE'])
 408 def admin_vote_editchoice(voteid, choiceid):
 409     if not session.get('user').get('is_admin'):
 410         abort(401)
 411     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 412     if choice is None:
 413         abort(404)
 414     if request.method == 'POST':
 415         g.db.execute('update choices set name=? where id = ? and id_vote = ?', [request.form['title'], choiceid, voteid])
 416         g.db.commit()
 417     elif request.method == 'DELETE': # :COMMENT:maethor:120528: I can't find how to use it from template
 418         g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 419         g.db.commt()
 420     return redirect(url_for('admin_vote_edit', voteid=voteid))
 421
 422 @app.route('/admin/votes/deletechoice/<voteid>/<choiceid>')
 423 def admin_vote_deletechoice(voteid, choiceid):
 424     if not session.get('user').get('is_admin'):
 425         abort(401)
 426     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 427     if choice is None:
 428         abort(404)
 429     g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 430     g.db.commit()
 431     return redirect(url_for('admin_vote_edit', voteid=voteid))
 432
 433 @app.route('/admin/votes/addattachment/<voteid>', methods=['POST'])
 434 def admin_vote_addattachment(voteid):
 435     if not session.get('user').get('is_admin'):
 436         abort(401)
 437     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 438     if vote is None:
 439         abort(404)
 440     g.db.execute('insert into attachments (url, id_vote) values (?, ?)', [request.form['url'], voteid])
 441     g.db.commit()
 442     return redirect(url_for('admin_vote_edit', voteid=voteid))
 443
 444 @app.route('/admin/votes/deleteattachment/<voteid>/<attachmentid>')
 445 def admin_vote_deleteattachment(voteid, attachmentid):
 446     if not session.get('user').get('is_admin'):
 447         abort(401)
 448     attachment = query_db('select * from attachments where id = ? and id_vote = ?', [attachmentid, voteid], one=True)
 449     if attachment is None:
 450         abort(404)
 451     g.db.execute('delete from attachments where id = ? and id_vote = ?', [attachmentid, voteid])
 452     g.db.commit()
 453     return redirect(url_for('admin_vote_edit', voteid=voteid))
 454
 455 #------
 456 # Main
 457
 458 if __name__ == '__main__':
 459     app.run()
 460