Login Page Modifications about hydralit HOT 3 CLOSED

This application implementation uses the allow_access session variable and uses the do_redirect method if the login check is successful.

"""

def __init__(self, title = '', **kwargs):
    self.__dict__.update(kwargs)
    self.title = title


def run(self) -> None:
    """
    Application entry point.

    """

    st.markdown("<h1 style='text-align: center;'>Secure Login</h1>", unsafe_allow_html=True)

    
    
    c1,c2,c3 = st.columns([2,2,2])
    #c3.image("./resources/lock.png",width=100,)
    #c3.image("./resources/hydra.png",width=100,)
    
    form_data = self._create_login_form(c2)

    if form_data['submitted']:
        self._do_login(form_data, c2)


def _create_login_form(self, parent_container) -> Dict:

    login_form = parent_container.form(key="login_form")

    form_state = {}
    form_state['username'] = login_form.text_input('Username')
    form_state['password'] = login_form.text_input('Password',type="password")
    form_state['access_level'] = login_form.selectbox('Example Access Level',(1,2))
    form_state['submitted'] = login_form.form_submit_button('Login')

    

    return form_state


def _do_login(self, form_data, msg_container) -> None:

    #access_level = login_data['access_level'] #Access denied!
    access_level = self._check_login(form_data)

    if access_level > 0:
        msg_container.success(f"✔️ Login success")
        with st.spinner("🤓 now redirecting to application...."):
            time.sleep(1)

            #access control uses an int value to allow for levels of permission that can be set for each user, this can then be checked within each app seperately.
            self.set_access(form_data['access_level'], form_data['username'])

            #Do the kick to the home page
            self.do_redirect()
    else:
        self.session_state.allow_access = 0
        self.session_state.current_user = None

        msg_container.error(f"❌ Login unsuccessful, 😕 please check your username and password and try again.")


def _check_login(self, login_data) -> int:
    #this method returns a value indicating the success of verifying the login details provided and the permission level, 1 for default access, 0 no access etc.
    #view_all_users()
            #user_result = view_all_users()
            #clean_db = pd.DataFrame(user_result,columns=["Username","Password"])
            #st.dataframe(clean_db)
            
            db2postgres=Db2Postgres()
            pwd=login_data['password']
            hashed_pswd = db2postgres.make_hashes(pwd)
            if (db2postgres.make_hashes(pwd) == hashed_pswd):
                result = db2postgres.login_user(login_data['username'],hashed_pswd)
                return 1
            else:
                return 0
            '''
            if login_data['username'] == 'joe' and login_data['password'] == 'joe':
                return 1
            else:
                return 0
            '''