aurweb/aurweb/routers/auth.py
Kevin Morris 13456fea1e set AURLANG + AURTZ on login
Signed-off-by: Kevin Morris <kevr@0cost.org>
2021-06-22 20:33:20 -07:00

97 lines
3.3 KiB
Python

from datetime import datetime
from http import HTTPStatus
from fastapi import APIRouter, Form, Request
from fastapi.responses import HTMLResponse, RedirectResponse
import aurweb.config
from aurweb import util
from aurweb.auth import auth_required
from aurweb.models.user import User
from aurweb.templates import make_context, render_template
router = APIRouter()
def login_template(request: Request, next: str, errors: list = None):
""" Provide login-specific template context to render_template. """
context = make_context(request, "Login", next)
context["errors"] = errors
context["url_base"] = f"{request.url.scheme}://{request.url.netloc}"
return render_template(request, "login.html", context)
@router.get("/login", response_class=HTMLResponse)
@auth_required(False)
async def login_get(request: Request, next: str = "/"):
return login_template(request, next)
@router.post("/login", response_class=HTMLResponse)
@auth_required(False)
async def login_post(request: Request,
next: str = Form(...),
user: str = Form(default=str()),
passwd: str = Form(default=str()),
remember_me: bool = Form(default=False)):
from aurweb.db import session
user = session.query(User).filter(User.Username == user).first()
if not user:
return login_template(request, next,
errors=["Bad username or password."])
cookie_timeout = 0
if remember_me:
cookie_timeout = aurweb.config.getint(
"options", "persistent_cookie_timeout")
sid = user.login(request, passwd, cookie_timeout)
if not sid:
return login_template(request, next,
errors=["Bad username or password."])
login_timeout = aurweb.config.getint("options", "login_timeout")
expires_at = int(datetime.utcnow().timestamp()
+ max(cookie_timeout, login_timeout))
response = RedirectResponse(url=next,
status_code=int(HTTPStatus.SEE_OTHER))
secure_cookies = aurweb.config.getboolean("options", "disable_http_login")
response.set_cookie("AURSID", sid, expires=expires_at,
secure=secure_cookies, httponly=True)
response.set_cookie("AURTZ", user.Timezone,
secure=secure_cookies, httponly=True)
response.set_cookie("AURLANG", user.LangPreference,
secure=secure_cookies, httponly=True)
return util.add_samesite_fields(response, "strict")
@router.get("/logout")
@auth_required()
async def logout(request: Request, next: str = "/"):
""" A GET and POST route for logging out.
@param request FastAPI request
@param next Route to redirect to
"""
if request.user.is_authenticated():
request.user.logout(request)
# Use 303 since we may be handling a post request, that'll get it
# to redirect to a get request.
response = RedirectResponse(url=next,
status_code=int(HTTPStatus.SEE_OTHER))
response.delete_cookie("AURSID")
response.delete_cookie("AURTZ")
return response
@router.post("/logout")
@auth_required()
async def logout_post(request: Request, next: str = "/"):
return await logout(request=request, next=next)