/*
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES **************
*
* (c) 2010. (c) 2010.
* Government of Canada Gouvernement du Canada
* National Research Council Conseil national de recherches
* Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6
* All rights reserved Tous droits réservés
*
* NRC disclaims any warranties, Le CNRC dénie toute garantie
* expressed, implied, or énoncée, implicite ou légale,
* statutory, of any kind with de quelque nature que ce
* respect to the software, soit, concernant le logiciel,
* including without limitation y compris sans restriction
* any warranty of merchantability toute garantie de valeur
* or fitness for a particular marchande ou de pertinence
* purpose. NRC shall not be pour un usage particulier.
* liable in any event for any Le CNRC ne pourra en aucun cas
* damages, whether direct or être tenu responsable de tout
* indirect, special or general, dommage, direct ou indirect,
* consequential or incidental, particulier ou général,
* arising from the use of the accessoire ou fortuit, résultant
* software. Neither the name de l'utilisation du logiciel. Ni
* of the National Research le nom du Conseil National de
* Council of Canada nor the Recherches du Canada ni les noms
* names of its contributors may de ses participants ne peuvent
* be used to endorse or promote être utilisés pour approuver ou
* products derived from this promouvoir les produits dérivés
* software without specific prior de ce logiciel sans autorisation
* written permission. préalable et particulière
* par écrit.
*
* This file is part of the Ce fichier fait partie du projet
* OpenCADC project. OpenCADC.
*
* OpenCADC is free software: OpenCADC est un logiciel libre ;
* you can redistribute it and/or vous pouvez le redistribuer ou le
* modify it under the terms of modifier suivant les termes de
* the GNU Affero General Public la “GNU Affero General Public
* License as published by the License” telle que publiée
* Free Software Foundation, par la Free Software Foundation
* either version 3 of the : soit la version 3 de cette
* License, or (at your option) licence, soit (à votre gré)
* any later version. toute version ultérieure.
*
* OpenCADC is distributed in the OpenCADC est distribué
* hope that it will be useful, dans l’espoir qu’il vous
* but WITHOUT ANY WARRANTY; sera utile, mais SANS AUCUNE
* without even the implied GARANTIE : sans même la garantie
* warranty of MERCHANTABILITY implicite de COMMERCIALISABILITÉ
* or FITNESS FOR A PARTICULAR ni d’ADÉQUATION À UN OBJECTIF
* PURPOSE. See the GNU Affero PARTICULIER. Consultez la Licence
* General Public License for Générale Publique GNU Affero
* more details. pour plus de détails.
*
* You should have received Vous devriez avoir reçu une
* a copy of the GNU Affero copie de la Licence Générale
* General Public License along Publique GNU Affero avec
* with OpenCADC. If not, see OpenCADC ; si ce n’est
*
* Note for developers: You can set a system property to force this class to replace the hostname * in the resuting URL with the canonical hostname of the local host. This is useful for testing: *
** ca.nrc.cadc.reg.client.RegistryClient.local=true **
* Note for developers: You can set a system property to force this class to replace the hostname * in the resuting URL with an arbitrary hostname. This is useful for testing a specific remote server: *
** ca.nrc.cadc.reg.client.RegistryClient.host=www.example.com **
* This class is a forked and trimmed version of ca.nrc.cadc.reg.client.RegistryClient. It was forked * to allow the realm implementation to be deployed without library dependencies. * * @author pdowler */ public class AuthenticationLookup { private static Logger log = Logger.getLogger(AuthenticationLookup.class); private static final String LOCAL_PROPERTY = "ca.nrc.cadc.reg.client.RegistryClient.local"; private static final String HOST_PROPERTY = "ca.nrc.cadc.reg.client.RegistryClient.host"; private static final String SHORT_HOST_PROPERTY = "ca.nrc.cadc.reg.client.RegistryClient.shortHostname"; private String hostname; private String shortHostname; private void init() { try { String localP = System.getProperty(LOCAL_PROPERTY); String hostP = System.getProperty(HOST_PROPERTY); String shortHostP = System.getProperty(SHORT_HOST_PROPERTY); log.debug(" local: " + localP); log.debug(" host: " + hostP); log.debug("shortHost: " + shortHostP); if ("true".equals(localP)) { log.debug(LOCAL_PROPERTY + " is set, assuming localhost runs the service"); this.hostname = InetAddress.getLocalHost() .getCanonicalHostName(); } if (shortHostP != null) { shortHostP = shortHostP.trim(); if (shortHostP.length() > 0) { this.shortHostname = shortHostP; } } if (hostP != null && this.hostname == null) { hostP = hostP.trim(); if (hostP.length() > 0) { this.hostname = hostP; } } } catch (UnknownHostException ex) { log.warn("failed to find localhost name via name resolution (" + ex.toString() + "): using localhost"); this.hostname = "localhost"; } } public URL configureAuthenticationServiceURL(URL serviceURL) throws MalformedURLException { init(); log.debug("configureAuthenticationServiceURL: " + serviceURL + "," + serviceURL.getProtocol() + "," + serviceURL.getPath()); final StringBuilder sb = new StringBuilder(); if (hostname != null || shortHostname != null) { sb.append(serviceURL.getProtocol()); sb.append("://"); if (shortHostname != null) { String hname = shortHostname; String fqhn = serviceURL.getHost(); int i = fqhn.indexOf('.'); if (i > 0) { String domain = fqhn.substring(i); hname += domain; } sb.append(hname); } else { sb.append(hostname); } int p = serviceURL.getPort(); if (p > 0 && p != serviceURL.getDefaultPort()) { sb.append(":"); sb.append(p); } sb.append(serviceURL.getPath()); } else { sb.append(serviceURL); } return new URL(sb.toString()); } }