121 lines
4.0 KiB
Python
121 lines
4.0 KiB
Python
from flask import Blueprint, render_template, request, redirect, url_for, flash, make_response, current_app
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from flask_login import login_user, logout_user, login_required, current_user
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from models import db
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from models import User
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from log import Log
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from itsdangerous import BadSignature, SignatureExpired, URLSafeTimedSerializer
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auth_bp = Blueprint("auth", __name__)
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AUTOLOGIN_MAX_AGE_SECONDS = 7 * 24 * 60 * 60
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AUTOLOGIN_SALT = "lapp-autologin"
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def autologin_serializer():
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return URLSafeTimedSerializer(current_app.config["SECRET_KEY"], salt=AUTOLOGIN_SALT)
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def create_cookie(userid):
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cookie_data = {
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"user": userid
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}
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return autologin_serializer().dumps(cookie_data)
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def is_cookie_ok_to_autologin(cookie_content):
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if not cookie_content:
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return 0
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try:
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cookie_data = autologin_serializer().loads(cookie_content,
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max_age=AUTOLOGIN_MAX_AGE_SECONDS)
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return int(cookie_data["user"])
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except (BadSignature, SignatureExpired, KeyError, TypeError, ValueError):
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Log.info("Cookie error")
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return 0
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#. @auth_bp.route("/", methods=["GET", "POST"])
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@auth_bp.route("/login", methods=["GET", "POST"])
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def login():
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username = request.cookies.get('username')
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userid = is_cookie_ok_to_autologin(username)
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if userid>0:
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user = User.query.filter_by(id=userid).first()
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if user and user.is_approved and user.group_id>0:
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login_user(user)
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return redirect(url_for("lists.home"))
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if request.method == "POST":
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user = User.query.filter_by(name=request.form["name"]).first()
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if user and user.check_password(request.form["password"]):
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if not user.is_approved:
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return render_template("pending.html")
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if user.group_id>0:
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login_user(user)
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return redirect(url_for("lists.home"))
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# flash("Invalid key credentials.")
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Log.info(f"Authorization failure for user '{request.form["name"]}' ")
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login_failed = request.method == "POST"
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resp = make_response(render_template(
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"login.html",
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name_placeholder="Sorry" if login_failed else "Name",
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password_placeholder="Try again" if login_failed else "Password",
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))
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resp.set_cookie('username', '')
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return resp
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@auth_bp.route("/register", methods=["GET", "POST"])
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def register():
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if request.method == "POST":
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name = request.form["name"].strip()
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group = request.form["group"]
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password = request.form["password"]
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existing_user = User.query.filter_by(name=name).first()
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if existing_user:
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return render_template("register.html", error="That name is already registered.")
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user = User(name=name)
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group_id = user.set_group_id(group)
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if group_id == 0:
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return render_template("register.html", error="Unknown registration key.")
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user.set_password(password)
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user.group_id = group_id
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db.session.add(user)
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db.session.commit()
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return render_template("pending.html")
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return render_template("register.html")
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@auth_bp.route("/logout")
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@login_required
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def logout():
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logout_user()
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resp = make_response(redirect(url_for("auth.login")))
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resp.set_cookie('username', '')
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return resp
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@auth_bp.route("/change_pwd", methods=["GET", "POST"])
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@login_required
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def change_pwd():
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if request.method == "POST":
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pwd_old = request.form["password_old"]
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pwd_new1 = request.form["password_new1"]
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pwd_new2 = request.form["password_new2"]
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if not current_user.check_password(pwd_old):
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flash("Invalid old credentials")
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Log.info(f"Authorization failure for user '{current_user.name}' ")
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elif pwd_new1 != pwd_new2:
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flash("New Passwords are not identical")
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else:
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current_user.set_password(pwd_new2)
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db.session.commit()
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return redirect(url_for("lists.home"))
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return redirect(url_for("auth.change_pwd"))
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return render_template("change_pwd.html")
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