Example usage for java.security PrivilegedAction PrivilegedAction

Introduction

In this page you can find the example usage for java.security PrivilegedAction PrivilegedAction.

Prototype

PrivilegedAction

Source Link

Usage

From source file:com.hortonworks.streamline.streams.storm.common.StormRestAPIClient.java

private Map doPostRequestWithEmptyBody(String requestUrl) {
    try {/* w w w .j  av  a 2 s .com*/
        LOG.debug("POST request to Storm cluster: " + requestUrl);
        return Subject.doAs(subject, new PrivilegedAction<Map>() {
            @Override
            public Map run() {
                return JsonClientUtil.postForm(client.target(requestUrl), new MultivaluedHashMap<>(),
                        STORM_REST_API_MEDIA_TYPE, Map.class);
            }
        });
    } catch (javax.ws.rs.ProcessingException e) {
        if (e.getCause() instanceof IOException) {
            throw new StormNotReachableException("Exception while requesting " + requestUrl, e);
        }

        throw e;
    } catch (WebApplicationException e) {
        throw WrappedWebApplicationException.of(e);
    }
}

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From source file:com.alibaba.otter.shared.common.utils.NioUtilsPerformance.java

public static void mappedTest(File source, File target) throws Exception {
    FileInputStream fis = null;//  ww w  .j a va2 s .  co m
    FileOutputStream fos = null;
    MappedByteBuffer mapbuffer = null;

    try {
        long fileSize = source.length();
        final byte[] outputData = new byte[(int) fileSize];
        fis = new FileInputStream(source);
        fos = new FileOutputStream(target);
        FileChannel sChannel = fis.getChannel();

        target.createNewFile();

        mapbuffer = sChannel.map(FileChannel.MapMode.READ_ONLY, 0, fileSize);
        for (int i = 0; i < fileSize; i++) {
            outputData[i] = mapbuffer.get();
        }

        mapbuffer.clear();
        fos.write(outputData);
        fos.flush();
    } finally {
        IOUtils.closeQuietly(fis);
        IOUtils.closeQuietly(fos);

        if (mapbuffer == null) {
            return;
        }

        final Object buffer = mapbuffer;

        AccessController.doPrivileged(new PrivilegedAction() {

            public Object run() {
                try {
                    Method clean = buffer.getClass().getMethod("cleaner", new Class[0]);

                    if (clean == null) {
                        return null;
                    }
                    clean.setAccessible(true);
                    sun.misc.Cleaner cleaner = (sun.misc.Cleaner) clean.invoke(buffer, new Object[0]);
                    cleaner.clean();
                } catch (Throwable ex) {
                }

                return null;
            }
        });
    }
}

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From source file:org.apache.storm.hdfs.security.AutoHDFS.java

@SuppressWarnings("unchecked")
private byte[] getHadoopCredentials(Map conf, final Configuration configuration) {
    try {//from  w w  w. j  ava 2  s . c  o m
        if (UserGroupInformation.isSecurityEnabled()) {
            login(configuration);

            final String topologySubmitterUser = (String) conf.get(Config.TOPOLOGY_SUBMITTER_PRINCIPAL);

            final URI nameNodeURI = conf.containsKey(TOPOLOGY_HDFS_URI)
                    ? new URI(conf.get(TOPOLOGY_HDFS_URI).toString())
                    : FileSystem.getDefaultUri(configuration);

            UserGroupInformation ugi = UserGroupInformation.getCurrentUser();

            final UserGroupInformation proxyUser = UserGroupInformation.createProxyUser(topologySubmitterUser,
                    ugi);

            Credentials creds = (Credentials) proxyUser.doAs(new PrivilegedAction<Object>() {
                @Override
                public Object run() {
                    try {
                        FileSystem fileSystem = FileSystem.get(nameNodeURI, configuration);
                        Credentials credential = proxyUser.getCredentials();

                        fileSystem.addDelegationTokens(hdfsPrincipal, credential);
                        LOG.info("Delegation tokens acquired for user {}", topologySubmitterUser);
                        return credential;
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }
                }
            });

            ByteArrayOutputStream bao = new ByteArrayOutputStream();
            ObjectOutputStream out = new ObjectOutputStream(bao);

            creds.write(out);
            out.flush();
            out.close();

            return bao.toByteArray();
        } else {
            throw new RuntimeException("Security is not enabled for HDFS");
        }
    } catch (Exception ex) {
        throw new RuntimeException("Failed to get delegation tokens.", ex);
    }
}

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From source file:eu.stratosphere.yarn.ApplicationMaster.java

public static void main(String[] args) throws Exception {
    final String yarnClientUsername = System.getenv(Client.ENV_CLIENT_USERNAME);
    LOG.info("YARN daemon runs as '" + UserGroupInformation.getCurrentUser().getShortUserName() + "' setting"
            + " user to execute Stratosphere ApplicationMaster/JobManager to '" + yarnClientUsername + "'");
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(yarnClientUsername);
    for (Token<? extends TokenIdentifier> toks : UserGroupInformation.getCurrentUser().getTokens()) {
        ugi.addToken(toks);/*from ww  w.  j a  v a  2 s .  c om*/
    }
    ugi.doAs(new PrivilegedAction<Object>() {
        @Override
        public Object run() {
            try {
                new ApplicationMaster().run();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }
    });
}

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From source file:com.enioka.jqm.tools.JndiContext.java

/**
 * Create a new Context//from  w  ww  . j a v a 2s .  c  o  m
 * 
 * @throws NamingException
 */
private JndiContext() throws NamingException {
    super();

    // List all jars inside ext directory
    File extDir = new File("ext/");
    List<URL> urls = new ArrayList<URL>();
    if (extDir.isDirectory()) {
        for (File f : extDir.listFiles()) {
            if (!f.canRead()) {
                throw new NamingException("can't access file " + f.getAbsolutePath());
            }
            try {
                urls.add(f.toURI().toURL());
            } catch (MalformedURLException e) {
                jqmlogger.error("Error when parsing the content of ext directory. File will be ignored", e);
            }
        }

        // Create classloader
        final URL[] aUrls = urls.toArray(new URL[0]);
        for (URL u : aUrls) {
            jqmlogger.trace(u.toString());
        }
        extResources = AccessController.doPrivileged(new PrivilegedAction<URLClassLoader>() {
            @Override
            public URLClassLoader run() {
                return new URLClassLoader(aUrls, null);
            }
        });
    } else {
        throw new NamingException("JQM_ROOT/ext directory does not exist or cannot be read");
    }
}

---

From source file:org.apache.hadoop.mapreduce.v2.security.MRDelegationTokenRenewer.java

protected MRClientProtocol instantiateHistoryProxy(final Configuration conf, final InetSocketAddress hsAddress)
        throws IOException {

    if (LOG.isDebugEnabled()) {
        LOG.debug("Connecting to MRHistoryServer at: " + hsAddress);
    }//ww w .j a  v a 2 s  . com
    final YarnRPC rpc = YarnRPC.create(conf);
    UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
    return currentUser.doAs(new PrivilegedAction<MRClientProtocol>() {
        @Override
        public MRClientProtocol run() {
            return (MRClientProtocol) rpc.getProxy(HSClientProtocol.class, hsAddress, conf);
        }
    });
}

---

From source file:org.apache.ranger.services.sqoop.client.SqoopClient.java

public List<String> getConnectorList(final String connectorMatching, final List<String> existingConnectors) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Get sqoop connector list for connectorMatching: " + connectorMatching
                + ", existingConnectors: " + existingConnectors);
    }/*from w  ww.j a  v  a  2 s.c  o  m*/
    Subject subj = getLoginSubject();
    if (subj == null) {
        return Collections.emptyList();
    }

    List<String> ret = Subject.doAs(subj, new PrivilegedAction<List<String>>() {

        @Override
        public List<String> run() {

            ClientResponse response = getClientResponse(sqoopUrl, SQOOP_CONNECTOR_API_ENDPOINT, userName);

            SqoopConnectorsResponse sqoopConnectorsResponse = getSqoopResourceResponse(response,
                    SqoopConnectorsResponse.class);
            if (sqoopConnectorsResponse == null
                    || CollectionUtils.isEmpty(sqoopConnectorsResponse.getConnectors())) {
                return Collections.emptyList();
            }
            List<String> connectorResponses = new ArrayList<>();
            for (SqoopConnectorResponse sqoopConnectorResponse : sqoopConnectorsResponse.getConnectors()) {
                connectorResponses.add(sqoopConnectorResponse.getName());
            }

            List<String> connectors = null;
            if (CollectionUtils.isNotEmpty(connectorResponses)) {
                connectors = filterResourceFromResponse(connectorMatching, existingConnectors,
                        connectorResponses);
            }
            return connectors;
        }
    });

    if (LOG.isDebugEnabled()) {
        LOG.debug("Get sqoop connector list result: " + ret);
    }
    return ret;
}

---

From source file:org.rhq.enterprise.client.LocalClient.java

@Override
public AlertManagerRemote getAlertManager() {
    return AccessController.doPrivileged(new PrivilegedAction<AlertManagerRemote>() {
        @Override/* w  w  w.ja va 2 s  .  c  o m*/
        public AlertManagerRemote run() {
            return AccessController.doPrivileged(new PrivilegedAction<AlertManagerRemote>() {
                @Override
                public AlertManagerRemote run() {
                    return getProxy(LookupUtil.getAlertManager(), AlertManagerRemote.class);
                }
            });
        }
    });
}

---

From source file:com.twitter.hraven.hadoopJobMonitor.rpc.ClientCache.java

protected MRClientProtocol instantiateHistoryProxy() throws IOException {
    final String serviceAddr = conf.get(JHAdminConfig.MR_HISTORY_ADDRESS);
    if (StringUtils.isEmpty(serviceAddr)) {
        return null;
    }//from   w ww.j  a  v  a2s . co  m
    LOG.debug("Connecting to HistoryServer at: " + serviceAddr);
    final YarnRPC rpc = YarnRPC.create(conf);
    LOG.debug("Connected to HistoryServer at: " + serviceAddr);
    UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
    return currentUser.doAs(new PrivilegedAction<MRClientProtocol>() {
        @Override
        public MRClientProtocol run() {
            return (MRClientProtocol) rpc.getProxy(HSClientProtocol.class,
                    NetUtils.createSocketAddr(serviceAddr), conf);
        }
    });
}

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From source file:org.beangle.model.persist.hibernate.internal.ClassUtils.java

public static ClassLoader getFwkClassLoader() {
    if (System.getSecurityManager() != null) {
        return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
            public ClassLoader run() {
                return Bundle.class.getClassLoader();
            }/*from  w  w  w .j  a  v  a  2s .c o m*/
        });
    } else {
        return Bundle.class.getClassLoader();
    }
}

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