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/*
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES **************
*
* (c) 2018. (c) 2018.
* 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
* . pas le cas, consultez :
* .
*
************************************************************************
*/
package ca.nrc.cadc.caom2.repo;
import ca.nrc.cadc.auth.AuthenticationUtil;
import ca.nrc.cadc.caom2.access.AccessUtil;
import ca.nrc.cadc.caom2.access.ArtifactAccess;
import ca.nrc.cadc.caom2.persistence.ReadAccessDAO;
import ca.nrc.cadc.caom2.xml.ArtifactAccessWriter;
import ca.nrc.cadc.dali.ParamExtractor;
import ca.nrc.cadc.net.ResourceNotFoundException;
import ca.nrc.cadc.reg.Standards;
import ca.nrc.cadc.reg.client.LocalAuthority;
import ca.nrc.cadc.rest.SyncOutput;
import ca.nrc.cadc.uws.Job;
import ca.nrc.cadc.uws.server.JobRunner;
import ca.nrc.cadc.uws.server.JobUpdater;
import ca.nrc.cadc.uws.util.JobLogInfo;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URI;
import java.net.URL;
import java.security.AccessControlException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.security.auth.Subject;
import javax.security.auth.x500.X500Principal;
import org.apache.log4j.Logger;
/**
*
* @author pdowler
*/
public class AccessQueryRunner implements JobRunner {
private static final Logger log = Logger.getLogger(AccessQueryRunner.class);
private JobLogInfo logInfo;
private JobUpdater jobUpdater;
private Job job;
private SyncOutput syncOutput;
private Map> params;
public AccessQueryRunner() {
}
@Override
public void setJobUpdater(JobUpdater jobUpdater) {
this.jobUpdater = jobUpdater;
}
@Override
public void setJob(Job job) {
this.job = job;
List pnames = new ArrayList();
pnames.add("ID");
ParamExtractor pe = new ParamExtractor(pnames);
this.params = pe.getParameters(job.getParameterList());
}
@Override
public void setSyncOutput(SyncOutput syncOutput) {
this.syncOutput = syncOutput;
}
@Override
public void run() {
long t1 = System.currentTimeMillis();
try {
this.logInfo = new JobLogInfo(job);
logInfo.setSubject(AuthenticationUtil.getCurrentSubject());
log.info(logInfo.start());
doit();
} finally {
long dt = System.currentTimeMillis() - t1;
logInfo.setElapsedTime(dt);
log.info(logInfo.end());
}
}
private String getParamValue(String s) {
List vals = params.get(s);
if (vals != null) {
Iterator iter = vals.iterator();
if (iter.hasNext()) {
String ret = iter.next();
if (iter.hasNext()) {
throw new IllegalArgumentException("badArgument");
}
return ret;
}
}
return null;
}
private void doit() {
logInfo.setSuccess(false);
try {
try {
checkPermission();
String id = getParamValue("ID");
URI uri = null;
try {
uri = new URI(id);
} catch (Exception ex) {
throw new IllegalArgumentException("missing/invalid ID: " + id, ex);
}
ReadAccessDAO dao = getDAO(uri);
ReadAccessDAO.RawArtifactAccess raa = dao.getArtifactAccess(uri);
if (raa == null) {
throw new ResourceNotFoundException("not found: " + id);
}
ArtifactAccess aa = AccessUtil.getArtifactAccess(raa.artifact,
raa.metaRelease, raa.metaReadAccessGroups,
raa.dataRelease, raa.dataReadAccessGroups);
ArtifactAccessWriter w = new ArtifactAccessWriter();
syncOutput.setHeader("Content-Type", "text/xml");
syncOutput.setCode(200);
w.write(aa, syncOutput.getOutputStream());
logInfo.setSuccess(true);
} catch (IllegalArgumentException ex) {
logInfo.setSuccess(true);
logInfo.setMessage(ex.getMessage());
sendError(400, ex.getMessage());
} catch (ResourceNotFoundException ex) {
logInfo.setSuccess(true);
logInfo.setMessage(ex.getMessage());
sendError(404, ex.getMessage());
} catch (AccessControlException ex) {
logInfo.setSuccess(true);
logInfo.setMessage(ex.getMessage());
sendError(401, ex.getMessage());
} catch (UnsupportedOperationException ex) {
log.error("oops", ex);
logInfo.setSuccess(true);
String msg = ex.getMessage();
if (msg == null) {
msg = "not implemented";
}
logInfo.setMessage(msg);
sendError(400, msg);
} catch (IOException ex) {
log.error("FAIL", ex);
sendError(500, "failed to access content");
}
} catch (IOException ex) {
// failed to send error to caller
log.debug("failed to send error to caller", ex);
} catch (Throwable t) {
try {
logInfo.setMessage(t.toString());
log.error("FAIL", t);
sendError(500, t.toString());
} catch (Throwable t2) {
log.debug("failed to send error to caller", t2);
}
}
}
private void sendError(int code, String msg) throws IOException {
syncOutput.setResponseCode(code);
syncOutput.setHeader("Content-Type", "text/plain");
PrintWriter w = new PrintWriter(syncOutput.getOutputStream());
w.println(msg);
w.close();
}
private ReadAccessDAO getDAO(URI uri) throws ResourceNotFoundException {
String[] ss = job.getRequestPath().split("/");
String srv = ss[1];
log.debug("job.requestpath: " + job.getRequestPath() + " srv: " + srv);
File config = new File(System.getProperty("user.home") + "/config/" + srv + ".properties");
try {
CaomRepoConfig cf = new CaomRepoConfig(config);
Iterator i = cf.iterator();
while (i.hasNext()) {
CaomRepoConfig.Item item = i.next();
if (archiveMatch(uri, item.getArtifactPattern())) {
ReadAccessDAO ret = new ReadAccessDAO();
ret.setConfig(cf.getDAOConfig(item.getCollection()));
return ret;
}
}
throw new ResourceNotFoundException("not found: " + uri);
} catch (IOException ex) {
throw new RuntimeException("CONFIG: failed to read config from " + config.getAbsolutePath());
}
}
private boolean archiveMatch(URI uri, String pattern) {
if (pattern == null) {
return false;
}
if (uri.toASCIIString().contains(pattern)) {
return true;
}
return false;
}
private void checkPermission() {
String fname = AccessQueryRunner.class.getSimpleName() + ".properties";
URL url = null;
try {
url = AccessQueryRunner.class.getClassLoader().getResource(fname);
if (url != null) {
Properties config = new Properties();
config.load(url.openStream());
String dn = config.getProperty(AccessQueryRunner.class.getName() + ".allowed");
X500Principal allowed = new X500Principal(dn);
log.debug("allowed: " + allowed);
Subject cur = AuthenticationUtil.getCurrentSubject();
for (X500Principal p : cur.getPrincipals(X500Principal.class)) {
if (AuthenticationUtil.equals(allowed, p)) {
return;
}
}
} else {
throw new RuntimeException("not found: " + fname);
}
} catch (Exception ex) {
throw new RuntimeException("failed to read " + fname + " from " + url, ex);
}
throw new AccessControlException("permission denied");
}
}
