Update modules/auth/auth.py
Browse files- modules/auth/auth.py +127 -131
modules/auth/auth.py
CHANGED
@@ -1,13 +1,14 @@
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import gradio as gr
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import os
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from azure.cosmos import CosmosClient, exceptions
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import bcrypt
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import base64
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import logging
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from datetime import datetime, timezone
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from ..database.sql_db import (
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get_user,
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get_student_user,
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create_student_user,
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update_student_user,
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delete_student_user,
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@@ -15,16 +16,12 @@ from ..database.sql_db import (
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record_logout
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)
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COSMOS_ENDPOINT = os.getenv("COSMOS_ENDPOINT")
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COSMOS_KEY = os.getenv("COSMOS_KEY")
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raise ValueError("Las variables de entorno COSMOS_ENDPOINT y COSMOS_KEY no est谩n configuradas.")
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# Inicializar el cliente de Cosmos DB
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def clean_and_validate_key(key):
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"""Limpia y valida la clave de CosmosDB"""
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key = key.strip()
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try:
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base64.b64decode(key)
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return key
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except
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raise ValueError("La clave proporcionada no es v谩lida")
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########################################
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# Funciones de autenticaci贸n
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########################################
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def authenticate_user(username: str, password: str) -> tuple[bool, str | None]:
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"""
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Autentica un usuario utilizando la base de datos.
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Args:
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username (str): Nombre de usuario.
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password (str): Contrase帽a.
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Returns:
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tuple: (True, role) si la autenticaci贸n es exitosa; (False, None) en caso contrario.
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"""
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try:
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user = get_user(username)
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if user and verify_password(user["password"], password):
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logger.info(f"Usuario autenticado: {username}, Rol: {user['role']}")
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return True, user["role"]
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logger.warning(f"Credenciales incorrectas para el usuario: {username}")
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return False, None
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except Exception as e:
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logger.error(f"Error autenticando al usuario {username}: {str(e)}")
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return False, None
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def register_student(username: str, password: str, additional_info=None) -> bool:
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"""
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Registra un nuevo estudiante en la base de datos.
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Args:
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username (str): Nombre de usuario.
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password (str): Contrase帽a.
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additional_info (dict): Informaci贸n adicional del estudiante.
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Returns:
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bool: True si el registro es exitoso, False en caso contrario.
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"""
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try:
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if get_student_user(username):
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logger.warning(f"El estudiante {username} ya existe.")
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return False
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create_student_user(username, hashed_password, additional_info)
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logger.info(f"Estudiante registrado: {username}")
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return True
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except Exception as e:
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logger.error(f"Error registrando al estudiante {username}: {str(e)}")
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return False
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########################################
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# Funciones para manejo de contrase帽as
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########################################
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def hash_password(password: str) -> str:
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"""
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Hashea una contrase帽a utilizando bcrypt.
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Args:
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password (str): Contrase帽a en texto plano.
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Returns:
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str: Contrase帽a hasheada.
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"""
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return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
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def verify_password(stored_password: str, provided_password: str) -> bool:
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"""
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Verifica que una contrase帽a coincida con su hash.
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Args:
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stored_password (str): Contrase帽a almacenada (hash).
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provided_password (str): Contrase帽a proporcionada por el usuario.
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Returns:
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bool: True si coinciden, False en caso contrario.
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"""
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return bcrypt.checkpw(provided_password.encode("utf-8"), stored_password.encode("utf-8"))
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########################################
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# Interfaz de autenticaci贸n
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########################################
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def create_auth_interface():
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"""
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Crea la interfaz de autenticaci贸n utilizando Gradio.
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Returns:
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gr.Blocks: Interfaz Gradio para el login.
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"""
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with gr.Blocks() as auth_interface:
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gr.Markdown("# Login")
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username = gr.Textbox(label="Usuario")
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def handle_login(user, pwd):
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success, role = authenticate_user(user, pwd)
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if success
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return f"Bienvenido, {user} ({role})"
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return "Credenciales incorrectas."
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login_btn.click(fn=handle_login, inputs=[username, password], outputs=message)
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return auth_interface
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"""
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__all__ = [
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-
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]
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#/modules/auth/auth.py
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import gradio as gr
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import os
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from azure.cosmos import CosmosClient, exceptions
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from azure.cosmos.exceptions import CosmosHttpResponseError
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import bcrypt
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import base64
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from ..database.sql_db import (
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get_user,
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get_student_user,
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get_admin_user,
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create_student_user,
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update_student_user,
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delete_student_user,
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record_logout
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)
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import logging
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from datetime import datetime, timezone
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logger = logging.getLogger(__name__)
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def clean_and_validate_key(key):
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"""Limpia y valida la clave de CosmosDB"""
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key = key.strip()
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try:
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base64.b64decode(key)
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return key
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except:
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raise ValueError("La clave proporcionada no es v谩lida")
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# Verificar las variables de entorno
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endpoint = os.getenv("COSMOS_ENDPOINT")
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key = os.getenv("COSMOS_KEY")
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if not endpoint or not key:
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raise ValueError("Las variables de entorno COSMOS_ENDPOINT y COSMOS_KEY deben estar configuradas")
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key = clean_and_validate_key(key)
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##################################################################
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def create_auth_interface():
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"""Crea la interfaz de autenticaci贸n."""
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with gr.Blocks() as auth_interface:
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gr.Markdown("# Login")
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username = gr.Textbox(label="Usuario")
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def handle_login(user, pwd):
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success, role = authenticate_user(user, pwd)
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return f"Bienvenido, {user} ({role})" if success else "Credenciales incorrectas."
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login_btn.click(fn=handle_login, inputs=[username, password], outputs=message)
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return auth_interface
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######################################################################################
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def authenticate_student(username, password):
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"""Autentica un estudiante"""
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success, role = authenticate_user(username, password)
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if success and role == 'Estudiante':
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return True, role
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return False, None
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def authenticate_admin(username, password):
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"""Autentica un administrador"""
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success, role = authenticate_user(username, password)
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if success and role == 'Administrador':
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return True, role
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return False, None
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def register_student(username, password, additional_info=None):
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"""Registra un nuevo estudiante"""
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try:
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if get_student_user(username):
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logger.warning(f"Estudiante ya existe: {username}")
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return False
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hashed_password = hash_password(password)
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# Asegurarse que additional_info tenga el rol correcto
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if not additional_info:
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additional_info = {}
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additional_info['role'] = 'Estudiante'
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success = create_student_user(username, hashed_password, additional_info)
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if success:
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logger.info(f"Nuevo estudiante registrado: {username}")
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return True
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logger.error(f"Error al crear estudiante: {username}")
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return False
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except Exception as e:
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logger.error(f"Error al registrar estudiante: {str(e)}")
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return False
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def update_student_info(username, new_info):
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"""Actualiza la informaci贸n de un estudiante"""
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try:
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if 'password' in new_info:
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new_info['password'] = hash_password(new_info['password'])
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success = update_student_user(username, new_info)
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if success:
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logger.info(f"Informaci贸n actualizada: {username}")
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return True
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logger.error(f"Error al actualizar: {username}")
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return False
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except Exception as e:
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logger.error(f"Error en actualizaci贸n: {str(e)}")
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return False
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def delete_student(username):
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"""Elimina un estudiante"""
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try:
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success = delete_student_user(username)
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if success:
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logger.info(f"Estudiante eliminado: {username}")
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return True
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logger.error(f"Error al eliminar: {username}")
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return False
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except Exception as e:
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logger.error(f"Error en eliminaci贸n: {str(e)}")
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return False
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def logout():
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"""Cierra la sesi贸n del usuario"""
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try:
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if 'session_id' in st.session_state and 'username' in st.session_state:
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success = record_logout(
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st.session_state.username,
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st.session_state.session_id
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)
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if success:
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logger.info(f"Sesi贸n cerrada: {st.session_state.username}")
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else:
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logger.warning(f"Error al registrar cierre de sesi贸n: {st.session_state.username}")
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except Exception as e:
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logger.error(f"Error en logout: {str(e)}")
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finally:
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st.session_state.clear()
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def hash_password(password):
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"""Hashea una contrase帽a"""
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return bcrypt.hashpw(
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password.encode('utf-8'),
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bcrypt.gensalt()
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).decode('utf-8')
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def verify_password(stored_password, provided_password):
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"""Verifica una contrase帽a"""
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return bcrypt.checkpw(
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provided_password.encode('utf-8'),
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stored_password.encode('utf-8')
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)
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__all__ = [
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'create_auth_interface', # por 'authenticate_user',
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'authenticate_admin',
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'authenticate_student',
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'register_student',
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'update_student_info',
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'delete_student',
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'logout',
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'hash_password',
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'verify_password'
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]
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