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from flask import Blueprint, request, session, render_template, redirect, url_for
from werkzeug.security import generate_password_hash, check_password_hash
from .users import Users
from .exceptions import UsernameTakenError
from .config import *
bp = Blueprint("auth", __name__, url_prefix="/")
users = Users(USERS_PATH)
def show_error(action, message):
return render_template(
"auth.html",
action=action,
error=message,
)
@bp.route("/login", methods=["GET", "POST"])
def login():
if request.method == "GET":
return render_template("auth.html", action="login")
# validate login information
username = request.form.get("username")
password = request.form.get("password")
if not all([username, password]):
return show_erro("login", "Please fill in both the username and password.")
user = users.find(username)
if user is None:
return show_error("login", f"User {username} does not exist.")
if not check_password_hash(user["password"], password):
return show_error("login", "Incorrect password. Sorry.")
# give access
session.clear()
session["username"] = username
return redirect(url_for("admin.index"))
@bp.route("/register", methods=["GET", "POST"])
def register():
if request.method == "GET":
return render_template("auth.html", action="register")
username = request.form.get("username")
password = request.form.get("password")
if not all([username, password]):
return render_template(
"auth.html",
action="register",
error="Please fill in both the username and password.",
)
try:
users.register(username, generate_password_hash(password), "en-US")
except UsernameTakenError as e:
return render_template(
"auth.html",
action="register",
error=e.message,
)
session["username"] = username
return redirect(url_for("admin.index"))
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