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*
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*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package org.glassfish.osgi.cli.remote;
import com.sun.enterprise.admin.remote.ServerRemoteAdminCommand;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Server;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.inject.Inject;
import org.apache.felix.service.command.CommandProcessor;
import org.apache.felix.service.command.CommandSession;
import org.apache.felix.shell.ShellService;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AccessRequired;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.CommandException;
import org.glassfish.api.admin.CommandLock;
import org.glassfish.api.admin.ParameterMap;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleReference;
import org.osgi.framework.ServiceReference;
/**
* A simple AdminCommand that bridges to the Felix Shell Service.
* Since the Felix Shell Service is compatible with all OSGi platforms,
* this command is named as osgi instead of felix.
*
* @author ancoron
*/
@Service(name = "osgi")
@CommandLock(CommandLock.LockType.SHARED)
@I18n("osgi")
@PerLookup
@TargetType({CommandTarget.CLUSTERED_INSTANCE, CommandTarget.STANDALONE_INSTANCE})
@RestEndpoints({
@RestEndpoint(configBean=Domain.class,
opType=RestEndpoint.OpType.POST,
path="osgi",
description="Remote OSGi Shell Access")
})
@AccessRequired(resource="domain/osgi/shell", action="execute")
public class OSGiShellCommand implements AdminCommand, PostConstruct {
private static final Logger log = Logger.getLogger(OSGiShellCommand.class.getPackage().getName());
private static final Map sessions =
new ConcurrentHashMap();
@Param(name = "command-line", primary = true, optional = true, multiple = true, defaultValue = "help")
private Object commandLine;
@Param(name = "session", optional = true)
private String sessionOp;
@Param(name = "session-id", optional = true)
private String sessionId;
@Param(name = "instance", optional = true)
private String instance;
protected BundleContext ctx;
@Inject
ServiceLocator locator;
@Inject
Domain domain;
@Override
public void execute(AdminCommandContext context) {
ActionReport report = context.getActionReport();
if(instance != null) {
Server svr = domain.getServerNamed(instance);
if(svr == null) {
report.setMessage("No server target found for "
+ instance);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
String host = svr.getAdminHost();
int port = svr.getAdminPort();
try {
ServerRemoteAdminCommand remote =
new ServerRemoteAdminCommand(
locator,
"osgi",
host,
port,
false,
"admin",
"",
log);
ParameterMap params = new ParameterMap();
if(commandLine == null) {
params.set("DEFAULT".toLowerCase(Locale.US), "asadmin-osgi-shell");
} else if(commandLine instanceof String) {
params.set("DEFAULT".toLowerCase(Locale.US), (String) commandLine);
} else if(commandLine instanceof List) {
params.set("DEFAULT".toLowerCase(Locale.US), (List) commandLine);
}
if(sessionOp != null) {
params.set("session", sessionOp);
}
if(sessionId != null) {
params.set("session-id", sessionId);
}
report.setMessage(remote.executeCommand(params));
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
return;
} catch(CommandException x) {
report.setMessage("Remote execution failed: "
+ x.getMessage());
report.setFailureCause(x);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
}
String cmdName = "";
String cmd = "";
if(commandLine == null) {
cmd = "asadmin-osgi-shell";
cmdName = cmd;
} else if(commandLine instanceof String) {
cmd = (String) commandLine;
cmdName = cmd;
} else if(commandLine instanceof List) {
for(Object arg : (List) commandLine) {
if(cmd.length() == 0) {
// first arg
cmd = (String) arg;
cmdName = cmd;
} else {
cmd += " " + (String) arg;
}
}
} else if(commandLine instanceof String[]) {
for(Object arg : (String[]) commandLine) {
if(cmd.length() == 0) {
// first arg
cmd = (String) arg;
cmdName = cmd;
} else {
cmd += " " + (String) arg;
}
}
} else {
// shouldn't happen...
report.setMessage("Unable to deal with argument list of type "
+ commandLine.getClass().getName());
report.setActionExitCode(ActionReport.ExitCode.WARNING);
return;
}
// standard output...
ByteArrayOutputStream bOut = new ByteArrayOutputStream(512);
PrintStream out = new PrintStream(bOut);
// error output...
ByteArrayOutputStream bErr = new ByteArrayOutputStream(512);
PrintStream err = new PrintStream(bErr);
try {
Object shell = null;
ServiceReference sref = ctx.getServiceReference(
"org.apache.felix.service.command.CommandProcessor");
if(sref != null) {
shell = ctx.getService(sref);
}
if(shell == null) {
// try with felix...
sref = ctx.getServiceReference("org.apache.felix.shell.ShellService");
if(sref != null) {
shell = ctx.getService(sref);
}
if(shell == null) {
report.setMessage("No Shell Service available");
report.setActionExitCode(ActionReport.ExitCode.WARNING);
return;
} else if("asadmin-osgi-shell".equals(cmdName)) {
out.println("felix");
} else {
ShellService s = (ShellService) shell;
s.executeCommand(cmd, out, err);
}
} else {
// try with gogo...
// GLASSFISH-19126 - prepare fake input stream...
InputStream in = new InputStream() {
@Override
public int read() throws IOException {
return -1;
}
@Override
public int available() throws IOException {
return 0;
}
@Override
public int read(byte[] b) throws IOException {
return -1;
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
return -1;
}
};
CommandProcessor cp = (CommandProcessor) shell;
if(sessionOp == null) {
if("asadmin-osgi-shell".equals(cmdName)) {
out.println("gogo");
} else {
CommandSession session = cp.createSession(in, out, err);
session.execute(cmd);
session.close();
}
} else if("new".equals(sessionOp)) {
CommandSession session = cp.createSession(in, out, err);
RemoteCommandSession remote = new RemoteCommandSession(session);
log.log(Level.FINE, "Remote session established: {0}",
remote.getId());
sessions.put(remote.getId(), remote);
out.println(remote.getId());
} else if("list".equals(sessionOp)) {
for(String id : sessions.keySet()) {
out.println(id);
}
} else if("execute".equals(sessionOp)) {
RemoteCommandSession remote = sessions.get(sessionId);
CommandSession session = remote.attach(in, out, err);
session.execute(cmd);
remote.detach();
} else if("stop".equals(sessionOp)) {
RemoteCommandSession remote = sessions.remove(sessionId);
CommandSession session = remote.attach(in, out, err);
session.close();
log.log(Level.FINE, "Remote session closed: {0}",
remote.getId());
}
}
out.flush();
err.flush();
String output = bOut.toString("UTF-8");
String errors = bErr.toString("UTF-8");
report.setMessage(output);
if(errors.length() > 0) {
report.setMessage(errors);
report.setActionExitCode(ActionReport.ExitCode.WARNING);
} else {
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
}
} catch (Exception ex) {
report.setMessage(ex.getMessage());
report.setActionExitCode(ActionReport.ExitCode.WARNING);
} finally {
out.close();
err.close();
}
}
@Override
public void postConstruct() {
if(ctx == null) {
Bundle me = BundleReference.class.cast(getClass().getClassLoader()).getBundle();
ctx = me.getBundleContext();
}
}
}
