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import logging
from datetime import datetime
from flask import current_app
from flask import flash
from flask import redirect
from flask import render_template
from flask import request
from flask import session
from flask import url_for as f_url_for
from flask_babel import gettext
from flask_login import current_user
from flask_login import login_required
from flask_login import LoginManager
from flask_login import logout_user
from flask_principal import AnonymousIdentity
from flask_principal import identity_changed
from flask_principal import identity_loaded
from flask_principal import Principal
from flask_principal import session_identity_loader
from flask_principal import UserNeed
from werkzeug.exceptions import NotFound
from werkzeug.security import generate_password_hash
from newspipe.bootstrap import application
from newspipe.controllers import UserController
from newspipe.lib.utils import url_for
from newspipe.notifications import notifications
from newspipe.web.forms import SigninForm
from newspipe.web.forms import SignupForm
from newspipe.web.views.common import admin_role
from newspipe.web.views.common import api_role
from newspipe.web.views.common import login_user_bundle
Principal(current_app)
# Create a permission with a single Need, in this case a RoleNeed.
login_manager = LoginManager()
login_manager.init_app(current_app)
login_manager.login_view = "login"
login_manager.login_message = ""
# login_manager.login_message_category = "info"
logger = logging.getLogger(__name__)
@identity_loaded.connect_via(current_app._get_current_object())
def on_identity_loaded(sender, identity):
# Set the identity user object
identity.user = current_user
# Add the UserNeed to the identity
if current_user.is_authenticated:
identity.provides.add(UserNeed(current_user.id))
if current_user.is_admin:
identity.provides.add(admin_role)
if current_user.is_api:
identity.provides.add(api_role)
@login_manager.user_loader
def load_user(user_id):
try:
return UserController(user_id, ignore_context=True).get(
id=user_id, is_active=True
)
except NotFound:
pass
@current_app.before_request
def before_request():
if current_user.is_authenticated:
UserController(current_user.id).update(
{"id": current_user.id}, {"last_seen": datetime.utcnow()}
)
@current_app.route("/login", methods=["GET", "POST"])
def login():
if current_user.is_authenticated:
return redirect(url_for("home"))
form = SigninForm()
# if form.validate_on_submit():
if request.method == "POST" and form.validate(): # fixes an issue in flask-wtf
login_user_bundle(form.user)
return form.redirect("home")
return render_template(
"login.html",
form=form,
self_registration=application.config["SELF_REGISTRATION"],
)
@current_app.route("/logout")
@login_required
def logout():
# Remove the user information from the session
logout_user()
# Remove session keys set by Flask-Principal
for key in ("identity.name", "identity.auth_type"):
session.pop(key, None)
# Tell Flask-Principal the user is anonymous
identity_changed.send(current_app, identity=AnonymousIdentity())
session_identity_loader()
return redirect(url_for("login"))
@current_app.route("/signup", methods=["GET", "POST"])
def signup():
if not application.config["SELF_REGISTRATION"]:
flash(gettext("Self-registration is disabled."), "warning")
return redirect(url_for("home"))
if current_user.is_authenticated:
return redirect(url_for("home"))
form = SignupForm()
if form.validate_on_submit():
user = UserController().create(
nickname=form.nickname.data,
pwdhash=generate_password_hash(form.password.data),
)
# Send the confirmation email
try:
notifications.new_account_notification(user, form.email.data)
except Exception as error:
flash(
gettext(
"Problem while sending activation email: %(error)s", error=error
),
"danger",
)
return redirect(url_for("home"))
flash(
gettext("Your account has been created. Check your mail to confirm it."),
"success",
)
return redirect(url_for("home"))
return render_template("signup.html", form=form)
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