/*
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http-realm - Authentication Extensions to jdk.httpserver
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Copyright (C) 2021 Ulrich Hilger
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.uhilger.httpserver.auth.realm;
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/**
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* A Realm is a "database" of usernames and passwords that identify valid
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* users of an application (or a set of applications), plus a list of roles
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* associated with each valid user.
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*
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* You can think of roles as similar to groups in Unix-like operating systems,
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* because access to specific web application resources is granted to all
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* users possessing a particular role (rather than enumerating the list of
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* associated usernames). A particular user can have any number of roles
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* associated with their username.
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*
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* @author Ulrich Hilger
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* @version 1, 22.05.2021
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*/
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public interface Realm {
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/**
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* Uberpruefen, ob die Benutzerkennung und das Kennwort gueltig sind.
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*
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* @param userId der Benutzer
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* @param password das Kennwort des Benutzers
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* @return true, wenn die Angaben stimmen, false wenn nicht
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*/
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public boolean isValid(String userId, String password);
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/**
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* Pruefen, ob ein Benutzer eine Rolle hat
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*
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* @param userId der Benutzer
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* @param roleId die Kennung der Rolle
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* @return true, wenn der Benutzer die Rolle hat, false wenn nicht
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*/
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public boolean hasRole(String userId, String roleId);
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/**
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* Den Namen dieses Realms ermitteln
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* @return Name des Realms
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*/
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public String getName();
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}
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