Package rocks.xmpp.extensions.httpauth

Source Code of rocks.xmpp.extensions.httpauth.HttpAuthenticationEvent

/*
* The MIT License (MIT)
*
* Copyright (c) 2014 Christian Schudt
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

package rocks.xmpp.extensions.httpauth;

import rocks.xmpp.core.Jid;
import rocks.xmpp.core.session.XmppSession;
import rocks.xmpp.core.stanza.model.Stanza;
import rocks.xmpp.core.stanza.model.StanzaError;
import rocks.xmpp.core.stanza.model.client.IQ;
import rocks.xmpp.core.stanza.model.client.Message;
import rocks.xmpp.core.stanza.model.errors.NotAuthorized;
import rocks.xmpp.extensions.httpauth.model.ConfirmationRequest;

import java.util.EventObject;

/**
* This event notifies listeners, when a HTTP authentication confirmation request has been received.
*
* @author Christian Schudt
* @see HttpAuthenticationListener
*/
public final class HttpAuthenticationEvent extends EventObject {

    private final ConfirmationRequest confirmationRequest;

    private final XmppSession xmppSession;

    private final Stanza stanza;

    /**
     * Constructs a HTTP auth event.
     *
     * @param source              The object on which the event initially occurred.
     * @param xmppSession         The XMPP session.
     * @param stanza              The stanza.
     * @param confirmationRequest The confirmation request.
     * @throws IllegalArgumentException if source is null.
     */
    HttpAuthenticationEvent(Object source, XmppSession xmppSession, Stanza stanza, ConfirmationRequest confirmationRequest) {
        super(source);
        this.confirmationRequest = confirmationRequest;
        this.xmppSession = xmppSession;
        this.stanza = stanza;
    }

    /**
     * Gets the requester.
     *
     * @return The requester.
     */
    public Jid getRequester() {
        return stanza.getFrom();
    }

    /**
     * Gets the confirmation request.
     *
     * @return The confirmation request.
     */
    public ConfirmationRequest getConfirmationRequest() {
        return confirmationRequest;
    }

    /**
     * Confirms the HTTP authentication request.
     */
    public void confirm() {
        if (stanza instanceof IQ) {
            // If the user wishes to confirm the request, the <iq/> response stanza MUST be of type "result"
            xmppSession.send(((IQ) stanza).createResult());
        } else if (stanza instanceof Message) {
            // If the user wishes to confirm the request, the <message/> response stanza SHOULD be of type "normal", MUST mirror the <thread/> ID (if provided by the XMPP Server), and MUST contain the original <confirm/> child element
            Message m = new Message(getRequester(), Message.Type.NORMAL);
            m.setThread(((Message) stanza).getThread());
            m.getExtensions().add(confirmationRequest);
            xmppSession.send(m);
        }
    }

    /**
     * Denies the HTTP authentication request.
     */
    public void deny() {
        if (stanza instanceof IQ) {
            // If the user wishes to deny the request, the <iq/> response stanza MUST be of type "error",
            // MAY contain the original <confirm/> child element (although this is not necessary since the XMPP 'id' attribute can be used for tracking purposes),
            // and MUST specify an error, which SHOULD be <not-authorized/>
            xmppSession.send(((IQ) stanza).createError(new StanzaError(new NotAuthorized())));
        } else if (stanza instanceof Message) {
            // If the user wishes to deny the request, the <message/> response stanza MUST be of type "error",
            // MUST mirror the <thread/> ID (if provided by the XMPP Server),
            // MUST contain the original <confirm/> child element,
            // and MUST specify an error, which SHOULD be <not-authorized/>
            Message m = new Message(getRequester(), Message.Type.ERROR);
            m.setThread(((Message) stanza).getThread());
            m.getExtensions().add(confirmationRequest);
            m.setError(new StanzaError(new NotAuthorized()));
            xmppSession.send(m);
        }
    }
}
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