Role Verification

Role verification with proper permission. It also ipmpliments
custom decorators for different roles. Also injects permission
to mail app.

Signed-off-by: kelepirci <ozkasgarli@gmail.com>

Change-Id I95f00eb480128bb5a672f5e1f1f91503e6fe8f09
This commit is contained in:
kelepirci 2016-08-06 23:19:23 +03:00 committed by ozkasgarli
parent 551cc3f5a7
commit 72f4ec9269
4 changed files with 59 additions and 3 deletions

19
dash/decorators.py Normal file
View File

@ -0,0 +1,19 @@
from functools import wraps
from flask import abort
from flask_login import current_user
from .models import Permission
def permission_required(permission):
def decorator(f):
@wraps(f)
def decorated_function(*args, **kwargs):
if not current_user.can(permission):
abort(403)
return f(*args, **kwargs)
return decorated_function
return decorator
def admin_required(f):
return permission_required(Permission.ADMINISTER)(f)

View File

@ -1,5 +1,11 @@
from flask import Blueprint
from ..models import Permission
main = Blueprint('main', __name__)
@main.app_context_processor
def inject_permissions():
return dict(Permission=Permission)
from . import views, errors

View File

@ -4,11 +4,13 @@ from flask import render_template, session, redirect, url_for, current_app
from flask_login import login_required
from .. import db
from ..models import User
from ..models import User, Permission
from ..email import send_email
from . import main
from .forms import NameForm
from ..decorators import admin_required, permission_required
@main.route('/', methods=['GET', 'POST'])
@ -19,4 +21,16 @@ def index():
@main.route('/lockscreen')
def lockscreen():
current_user = User()
return render_template('lockscreen.html', current_user=current_user)
return render_template('lockscreen.html', current_user=current_user)
@main.route('/admin')
@login_required
@admin_required
def for_admins_only():
return "For administrators only!"
@main.route('/reseller')
@login_required
@permission_required(Permission.LIST_USER)
def for_resellers_only():
return "For resellers only! We mean it..."

View File

@ -5,7 +5,7 @@ from itsdangerous import TimedJSONWebSignatureSerializer as Serializer
from flask import current_app
from flask_login import UserMixin
from flask_login import UserMixin, AnonymousUserMixin
from . import db
from . import login_manager
@ -38,6 +38,7 @@ class Permission:
MODIFY_TENANT_QUOTA = 0xB4
# administrator permissions
ADMINISTER = 0xff
class Role(db.Model):
__tablename__ = 'roles'
@ -175,9 +176,25 @@ class User(UserMixin, db.Model):
if self.role is None:
self.role = Role.query.filter_by(default=True).first()
def can(self, permissions):
return self.role is not None and \
(self.role.permissions & permissions) == permissions
def is_administrator(self):
return self.can(Permission.ADMINISTER)
def __repr__(self):
return '<User %r>' % self.username
class AnonymousUser(AnonymousUserMixin):
def can(self, permissions):
return False
def is_administrator():
return False
login_manager.anonymous_user = AnonymousUser
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))