Files
gander/web_server/blueprints/middleware.py

46 lines
1.3 KiB
Python

from flask import redirect, url_for, request, g, session
from functools import wraps
import logging
def logged_in_user():
"""
Validator to make sure a user is logged in.
"""
g.user = session.get("username", None)
g.admin = session.get("username", None)
def login_required(view):
"""
Add at start of routes where users need to be logged in to access.
"""
@wraps(view)
def wrapped_view(*args, **kwargs):
if g.user is None:
return redirect(url_for("login", next=request.url))
return view(*args, **kwargs)
return wrapped_view
def admin_required(view):
"""
Add at start of routes where admins need to be logged in to access.
"""
@wraps(view)
def wrapped_view(*args, **kwargs):
if g.admin != "admin":
return redirect(url_for("login", next=request.url))
return view(*args, **kwargs)
return wrapped_view
def register_error_handlers(app):
error_responses = {
400: "Bad Request",
403: "Forbidden",
404: "Not Found",
500: "Internal Server Error"
}
for code, message in error_responses.items():
@app.errorhandler(code)
def handle_error(error, message=message, code=code):
logging.error(f"Error {code}: {str(error)}")
return {"error": message}, code