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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| ************************************************************************ | ||
| ******************* CANADIAN ASTRONOMY DATA CENTRE ******************* | ||
| ************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES ************** | ||
| * | ||
| * (c) 2020. (c) 2020. | ||
| * 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 | ||
| * <http://www.gnu.org/licenses/>. pas le cas, consultez : | ||
| * <http://www.gnu.org/licenses/>. | ||
| * | ||
| ************************************************************************ | ||
| */ | ||
|
|
||
| package ca.nrc.cadc.sample; | ||
|
|
||
| import ca.nrc.cadc.auth.AuthMethod; | ||
| import ca.nrc.cadc.auth.AuthenticationUtil; | ||
| import ca.nrc.cadc.auth.NotAuthenticatedException; | ||
| import ca.nrc.cadc.net.HttpTransfer; | ||
| import ca.nrc.cadc.net.ResourceNotFoundException; | ||
| import ca.nrc.cadc.reg.AccessURL; | ||
| import ca.nrc.cadc.reg.Capabilities; | ||
| import ca.nrc.cadc.reg.CapabilitiesWriter; | ||
| import ca.nrc.cadc.reg.Capability; | ||
| import ca.nrc.cadc.reg.Interface; | ||
| import ca.nrc.cadc.reg.Standards; | ||
| import ca.nrc.cadc.reg.client.LocalAuthority; | ||
| import ca.nrc.cadc.reg.client.RegistryClient; | ||
| import ca.nrc.cadc.rest.InlineContentHandler; | ||
| import ca.nrc.cadc.rest.RestAction; | ||
| import ca.nrc.cadc.rest.SyncOutput; | ||
| import java.io.IOException; | ||
| import java.net.MalformedURLException; | ||
| import java.net.URI; | ||
| import java.net.URL; | ||
| import java.util.Set; | ||
| import java.util.TreeSet; | ||
| import ca.nrc.cadc.sample.CapInitAction; | ||
| import org.apache.log4j.Logger; | ||
|
|
||
| /** | ||
| * | ||
| * @author pdowler | ||
| */ | ||
| public class CapGetAction extends RestAction { | ||
| private static final Logger log = Logger.getLogger(CapGetAction.class); | ||
| private static final String baseURL = System.getProperty("base_url"); | ||
| private static final String pathPrefix = System.getProperty("path_prefix"); | ||
|
|
||
| /** | ||
| * Enable transformation of the capabilities template (default: true). Subclasses | ||
| * may disable this according to some policy. The current transform is to change | ||
| * the host name in every accessURL in the capabilities to match the host name used | ||
| * in the request. This works fine in most cases but would not work | ||
| * if some accessURL(s) within an application are deployed on a different host. | ||
| * For example, if the VOSI-availability endpoint is deployed on an separate host | ||
| * so it can probe the service from the outside, then capabilities transform | ||
| * would need to be disabled. | ||
| */ | ||
| protected boolean doTransform = true; | ||
|
|
||
| public CapGetAction() { | ||
| super(); | ||
| } | ||
|
|
||
| @Override | ||
| protected String getServerImpl() { | ||
| return CapInitAction.getVersion(componentID); | ||
| } | ||
|
|
||
| @Override | ||
| protected InlineContentHandler getInlineContentHandler() { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public void doAction() throws Exception { | ||
| if (CapInitAction.getAuthRequired(componentID)) { | ||
| AuthMethod am = AuthenticationUtil.getAuthMethod(AuthenticationUtil.getCurrentSubject()); | ||
| if (am == null || am.equals(AuthMethod.ANON)) { | ||
| throw new NotAuthenticatedException("permission denied"); | ||
| } | ||
| } | ||
|
|
||
| Capabilities caps = CapInitAction.getTemplate(componentID); | ||
|
|
||
| log.debug("transformAccessURL=" + doTransform); | ||
|
|
||
| if (doTransform) { | ||
| transform(caps); | ||
| } | ||
|
|
||
| doOutput(caps, syncOutput); | ||
| logInfo.setSuccess(true); | ||
| } | ||
|
|
||
| // transform all accessURL so the hostname and context path match that used to invoke | ||
| // the /capabilities endpoint | ||
| private void transform(Capabilities caps) throws MalformedURLException { | ||
| log.debug("context: " + syncInput.getContextPath()); | ||
| log.debug("component: " + syncInput.getComponentPath()); | ||
|
|
||
| String hostname = new URL(syncInput.getRequestURI()).getHost(); | ||
|
|
||
| // find context path in the template using capabilities endpoint | ||
| Capability cap = caps.findCapability(Standards.VOSI_CAPABILITIES); | ||
| URL capURL = cap.getInterfaces().get(0).getAccessURL().getURL(); | ||
| String capPath = capURL.getPath(); | ||
| String basePath = capURL.getPath().substring(0, capPath.indexOf("/capabilities")); // chop | ||
|
|
||
| // capabilities in the request | ||
| String actualPath = syncInput.getContextPath() + syncInput.getComponentPath(); | ||
| actualPath = actualPath.substring(0, actualPath.indexOf("/capabilities")); // chop | ||
|
|
||
| log.debug("transform: basePath in template: " + basePath + " actualPath: " + actualPath); | ||
| for (Capability c : caps.getCapabilities()) { | ||
| for (Interface i : c.getInterfaces()) { | ||
| AccessURL u = i.getAccessURL(); | ||
| URL url = u.getURL(); | ||
| String path = url.getPath(); | ||
| String npath = path.replace(basePath, pathPrefix); | ||
| URL nurl = new URL(url.getProtocol(), hostname, npath); | ||
| u.setURL(nurl); | ||
| log.debug("transform: " + url + " -> " + nurl); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private void doOutput(Capabilities caps, SyncOutput out) throws IOException { | ||
| out.setHeader(HttpTransfer.CONTENT_TYPE, "text/xml"); | ||
| out.setCode(200); | ||
| CapabilitiesWriter w = new CapabilitiesWriter(); | ||
| w.write(caps, syncOutput.getOutputStream()); | ||
| } | ||
|
|
||
|
|
||
| private void injectAuthProviders(Capabilities caps) throws IOException { | ||
| Set<URI> sms = new TreeSet<>(); | ||
| for (Capability cap : caps.getCapabilities()) { | ||
| for (Interface i : cap.getInterfaces()) { | ||
| for (URI s : i.getSecurityMethods()) { | ||
| sms.add(s); | ||
| } | ||
| } | ||
|
|
||
| } | ||
| log.debug("found " + sms.size() + " unique SecurityMethod(s)"); | ||
| if (sms.isEmpty()) { | ||
| return; | ||
| } | ||
|
|
||
| LocalAuthority loc = new LocalAuthority(); | ||
| RegistryClient reg = new RegistryClient(); | ||
| for (URI sm : sms) { | ||
| URI resourceID = loc.getServiceURI(sm.toASCIIString()); | ||
| try { | ||
| if (resourceID != null) { | ||
| Capabilities srv = reg.getCapabilities(resourceID); | ||
| if (srv != null) { | ||
| Capability auth = srv.findCapability(sm); | ||
| if (auth != null) { | ||
| caps.getCapabilities().add(auth); | ||
| } else { | ||
| log.debug("not found: " + sm + " in " + resourceID); | ||
| } | ||
| } else { | ||
| log.debug("not found: " + resourceID + " capabilities"); | ||
| } | ||
| } else { | ||
| log.debug("not found: " + sm); | ||
| } | ||
| } catch (ResourceNotFoundException ex) { | ||
| log.warn("failed to find auth service: " + resourceID + "cause: " + ex); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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