GGThedandClaude Opus 5 835a394d3f fix(auth): enumeration, verrou, deconnexion en GET, redirection ouverte
Quatre constats de la liste des gains rapides, tous sur auth.py.

SEC-017 -- enumeration de comptes
Le formulaire repondait "il vous reste 3 tentative(s)" a un compte connu et
"verifiez le nom d utilisateur et le mot de passe" a un inconnu. Le decompte
lui-meme etait la fuite : la meme information, etalee sur cinq requetes.
S y ajoutait un ecart de temps de reponse, check_password n etant appele que
si la ligne existait -- scrypt est cher, l ecart est mesurable.

Un seul message pour tous les echecs, et la verification s execute
desormais sur les deux branches : contre un hachage aleatoire tire une fois
par processus quand l identifiant n existe pas.

SEC-018 -- verrou de compte declenchable par un tiers
Cinq mauvaises reponses mettaient un compte connu hors service pendant
quinze minutes, indefiniment renouvelables. Sur un compte president, c est
toute l administration, et aucun ecran ne permettait de defaire.

Le compteur et la fenetre restent -- ce sont la trace qu un administrateur
lit quand un compte est pilonne, et la fenetre double jusqu a un plafond.
Ce qui change : de bons identifiants passent, fenetre ouverte ou non, et
remettent le compteur a zero. Le proprietaire du compte ne peut plus etre
bloque par un tiers.

Ce que cela coute, dit franchement : un verrou dur n arretait de toute
facon pas un attaquant ayant trouve le mot de passe -- il lui suffisait
d attendre. Le debit de tentatives reste borne par la limite de 10/minute
par IP. Une limite par couple (compte, IP) demanderait un stockage dedie ;
elle attend Alembic.

L evenement account.locked devient account.throttled : "locked" affirmait
plus que ce qui se passe.

SEC-019 -- deconnexion en GET
/auth/logout n avait pas de methods, donc GET, donc hors protection CSRF :
n importe quelle page pouvait deconnecter un visiteur avec une balise img.
La route passe en POST et l entree de navigation devient un formulaire avec
jeton. Le style suit -- les regles .nav-links visaient les liens seuls.

SEC-020 -- validation de redirection
is_safe_url interrogeait urlparse().netloc. urlparse lit /\evil.com comme
un chemin, sans netloc ; plusieurs navigateurs normalisent l antislash en
barre oblique avant de resoudre, ce qui en fait //evil.com. La fonction
refuse maintenant antislash et caracteres de controle, exige un chemin
enracine, et compare l origine explicitement.

Le xfail(strict) qui documentait SEC-017 est leve. 40 tests dans
test_auth_session.py, dont la table des cibles refusees.

Co-Authored-By: Claude Opus 5 <[email protected]>
2026-08-08 15:05:13 -04:00
2026-08-06 14:46:51 -04:00
2026-07-30 09:52:32 -04:00
2026-08-03 16:43:46 -04:00

Plateforme centralisée de tryouts

Security Configuration

Required Environment Variables

Before deploying, create a .env file which integrates everything in the .env.exemple. Ensure you follow the comments of the exemple if you are to use this tool in production.

Security Features Implemented

  • Rate Limiting: Login endpoint limited to 10 requests per minute to prevent brute-force attacks
  • Secure Session Cookies: HTTPSOnly, SameSite=Lax, and Secure flags enabled
  • CSRF Protection: Enabled by default on all forms
  • HTTPS Enforcement: Automatic redirect to HTTPS in production
  • Security Headers: X-Frame-Options, X-Content-Type-Options, Content-Security-Policy, HSTS
  • Open Redirect Prevention: URL validation on login redirect
  • Authorization Checks: Proper ownership validation on all sensitive operations
  • nginx: reverse-proxy and load balancer
  • Waitress WSGI: Production ready WSGI

When true in .env:

  • Forces HTTPS only
  • Forcer secure cookies

App details

Code

  • Full python backend using flask
  • statics are pure HTML and CSS
  • Some js to add logic to styling and showing certain pages/cards

Functionalities

  • User base with sign-ins: Forces users to create an account and register pertinent information for tryouts and teams. The admin can attribute them a role.
  • User-Role-Based Permissions: admin - full acces, coach/manager - access to team management, player - views what he is registered in (no management), scout - view only
  • Tryout Management: manage internal tryout teams, organise internal tryouts matches (3 formats, team vs team, PvP, scrim). Coaches can Evaluate players based on 10 criteria
  • Team Management: manage teams for the season, create matches and practices. When planning a practice there will be a calendar showing player availabitlities slots to help chose a time
  • Coach and Player Availabilities: Allow better planning for the coaches, and for players to book One on Ones with their coach.
  • Player Notes: Coaches can give notes to their players. The players will see them and there is a history which keeps the most recent notes.
  • Team Notes: Coaches can give notes to their teams, where all players from that team can see the note.
  • One on One: Players can request a One on One meeting with their coach. This sends a discord dm to the coach to accept or refuse. The player is then notified of the response.
  • Availabilities: Allow players and coach to enter the moments they are available. Allows for easier practice setup and One on One planning.

Discord Integration

The application supports sending Discord direct messages to coaches when players request One on One sessions, when matches/tryouts/practices are created and a player is in it, and the players get match reminders 24h before a match.

When sending a One on One request, the coach can accept via the platform or react to the discord message to answer the booking request. Same thing with matches and practices, the players can react or answer on the platform.

Setup Instructions

1. Create a Discord Bot (Not needed for UdeS user, the bot already exists)

  1. Go to the Discord Developer Portal
  2. Create a new application
  3. Go to the "Bot" tab and create a bot user
  4. Copy the bot token - this will be your DISCORD_BOT_TOKEN
  5. Enable the "Message Content Intent" under Privileged Gateway Intents (required for sending messages)

2. Add Bot to your server

For the bot to send DMs:

  1. Each user must have the bot added to their Discord server OR be friends with the bot
  2. Users need to add their Discord User ID to their profile:
    • Enable Developer Mode in Discord (User Settings → Advanced → Developer Mode)
    • Right-click on their profile → Copy ID
    • Enter this numeric ID in the "Discord User ID" field in their profile settings

How It Works

When a player submits a One on One request:

  1. The system checks if the coach has a Discord User ID configured
  2. If configured, a direct message is sent to the coach via the Discord bot

Message Format

The Discord DM includes:

  • Player name
  • Team name
  • Requested date and time slot
  • Discussion points (if provided)
  • Link to the application for approval/rejection
  • Two provided reactions to accept or refuse via discord
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