Refonte authentification en crypté

migre_bcrypt.py

@@ -0,0 +1,44 @@
+import os, sys, bcrypt, mysql.connector
+from dotenv import load_dotenv
+
+load_dotenv()
+
+conn = mysql.connector.connect(
+    host=os.getenv("DB_HOST"),
+    database=os.getenv("DB_NAME"),
+    user=os.getenv("DB_USER"),
+    password=os.getenv("DB_PASSWORD"),
+)
+try:
+    cur = conn.cursor(dictionary=True)
+    cur.execute("""
+        SELECT NomUtilisateur, MotDePasse
+        FROM Utilisateurs
+        WHERE MotDePasseHash IS NULL OR MotDePasseHash = ''
+    """)
+    rows = cur.fetchall()
+    print(f"{len(rows)} utilisateur(s) à migrer…")
+
+    for r in rows:
+        login = r["NomUtilisateur"]
+        plain = (r["MotDePasse"] or "").encode("utf-8")
+        if not plain:
+            print(f"- {login}: mot de passe vide — ignoré")
+            continue
+        hashed = bcrypt.hashpw(plain, bcrypt.gensalt(rounds=12)).decode("ascii")
+        cur.execute("""
+            UPDATE Utilisateurs
+               SET MotDePasseHash = %s
+             WHERE NomUtilisateur = %s
+        """, (hashed, login))
+        print(f"- {login}: OK")
+    conn.commit()
+    print("Migration terminée.")
+except Exception as e:
+    conn.rollback()
+    print("Erreur:", e)
+    sys.exit(1)
+finally:
+    cur.close()
+    conn.close()
+