/*
* Created on Oct 5, 2009
* Created by Paul Gardner
*
* Copyright 2009 Vuze, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
package com.aelitis.azureus.core.pairing.impl;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.logging.LogAlert;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.util.AEDiagnostics;
import org.gudy.azureus2.core3.util.AEDiagnosticsEvidenceGenerator;
import org.gudy.azureus2.core3.util.AERunnable;
import org.gudy.azureus2.core3.util.AESemaphore;
import org.gudy.azureus2.core3.util.AEThread2;
import org.gudy.azureus2.core3.util.AEVerifier;
import org.gudy.azureus2.core3.util.AsyncDispatcher;
import org.gudy.azureus2.core3.util.BDecoder;
import org.gudy.azureus2.core3.util.BEncoder;
import org.gudy.azureus2.core3.util.Base32;
import org.gudy.azureus2.core3.util.Constants;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.DelayedEvent;
import org.gudy.azureus2.core3.util.FileUtil;
import org.gudy.azureus2.core3.util.IndentWriter;
import org.gudy.azureus2.core3.util.SimpleTimer;
import org.gudy.azureus2.core3.util.SystemProperties;
import org.gudy.azureus2.core3.util.SystemTime;
import org.gudy.azureus2.core3.util.TimerEvent;
import org.gudy.azureus2.core3.util.TimerEventPerformer;
import org.gudy.azureus2.core3.util.TimerEventPeriodic;
import org.gudy.azureus2.core3.util.UrlUtils;
import org.gudy.azureus2.plugins.PluginInterface;
import org.gudy.azureus2.plugins.clientid.ClientIDException;
import org.gudy.azureus2.plugins.clientid.ClientIDGenerator;
import org.gudy.azureus2.plugins.tracker.web.TrackerWebPageRequest;
import org.gudy.azureus2.plugins.tracker.web.TrackerWebPageResponse;
import org.gudy.azureus2.plugins.ui.UIManager;
import org.gudy.azureus2.plugins.ui.UIManagerEvent;
import org.gudy.azureus2.plugins.ui.config.ActionParameter;
import org.gudy.azureus2.plugins.ui.config.BooleanParameter;
import org.gudy.azureus2.plugins.ui.config.ConfigSection;
import org.gudy.azureus2.plugins.ui.config.HyperlinkParameter;
import org.gudy.azureus2.plugins.ui.config.InfoParameter;
import org.gudy.azureus2.plugins.ui.config.LabelParameter;
import org.gudy.azureus2.plugins.ui.config.Parameter;
import org.gudy.azureus2.plugins.ui.config.ParameterListener;
import org.gudy.azureus2.plugins.ui.config.StringParameter;
import org.gudy.azureus2.plugins.ui.model.BasicPluginConfigModel;
import org.gudy.azureus2.plugins.utils.DelayedTask;
import org.gudy.azureus2.plugins.utils.StaticUtilities;
import org.gudy.azureus2.pluginsimpl.local.PluginInitializer;
import org.gudy.azureus2.pluginsimpl.local.clientid.ClientIDManagerImpl;
import org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.ResourceDownloaderFactoryImpl;
import com.aelitis.azureus.core.AzureusCore;
import com.aelitis.azureus.core.AzureusCoreFactory;
import com.aelitis.azureus.core.AzureusCoreRunningListener;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdmin;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminHTTPProxy;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminNetworkInterface;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminNetworkInterfaceAddress;
import com.aelitis.azureus.core.networkmanager.admin.NetworkAdminSocksProxy;
import com.aelitis.azureus.core.pairing.*;
import com.aelitis.azureus.core.security.CryptoManager;
import com.aelitis.azureus.core.security.CryptoManagerFactory;
import com.aelitis.azureus.core.util.CopyOnWriteList;
import com.aelitis.azureus.plugins.upnp.UPnPPlugin;
import com.aelitis.azureus.plugins.upnp.UPnPPluginService;
import com.aelitis.azureus.util.JSONUtils;
import com.aelitis.net.upnp.UPnPRootDevice;
public class
PairingManagerImpl
implements PairingManager, AEDiagnosticsEvidenceGenerator
{
private static final boolean DEBUG = false;
private static final String SERVICE_URL;
static{
String url = System.getProperty( "az.pairing.url", "" );
if ( url.length() == 0 ){
SERVICE_URL = Constants.PAIRING_URL;
}else{
SERVICE_URL = url;
}
}
private static final PairingManagerImpl singleton = new PairingManagerImpl();
public static PairingManager
getSingleton()
{
return( singleton );
}
private static final int GLOBAL_UPDATE_PERIOD = 60*1000;
private static final int CD_REFRESH_PERIOD = 23*60*60*1000;
private static final int CD_REFRESH_TICKS = CD_REFRESH_PERIOD / GLOBAL_UPDATE_PERIOD;
private static final int CONNECT_TEST_PERIOD_MILLIS = 30*60*1000;
private AzureusCore azureus_core;
private BooleanParameter param_enable;
private InfoParameter param_ac_info;
private InfoParameter param_status_info;
private InfoParameter param_last_error;
private HyperlinkParameter param_view;
private BooleanParameter param_srp_enable;
private LabelParameter param_srp_state;
private BooleanParameter param_e_enable;
private StringParameter param_public_ipv4;
private StringParameter param_public_ipv6;
private StringParameter param_host;
private StringParameter param_local_ipv4;
private StringParameter param_local_ipv6;
private BooleanParameter param_icon_enable;
private Map<String,PairedServiceImpl> services = new HashMap<String, PairedServiceImpl>();
private AESemaphore init_sem = new AESemaphore( "PM:init" );
private TimerEventPeriodic global_update_event;
private InetAddress current_v4;
private InetAddress current_v6;
private String local_v4 = "";
private String local_v6 = "";
private PairingManagerTunnelHandler tunnel_handler;
private boolean update_outstanding;
private boolean updates_enabled;
private static final int MIN_UPDATE_PERIOD_DEFAULT = 10*1000;
private static final int MAX_UPDATE_PERIOD_DEFAULT = 60*60*1000;
private int min_update_period = MIN_UPDATE_PERIOD_DEFAULT;
private int max_update_period = MAX_UPDATE_PERIOD_DEFAULT;
private AsyncDispatcher dispatcher = new AsyncDispatcher();
private boolean must_update_once;
private boolean update_in_progress;
private TimerEvent deferred_update_event;
private long last_update_time = -1;
private int consec_update_fails;
private long qr_version = COConfigurationManager.getLongParameter( "pairing.qr.ver", 0 );
private String last_message;
private Map<String,Object[]> local_address_checks = new HashMap<String, Object[]>();
private CopyOnWriteList<PairingManagerListener> listeners = new CopyOnWriteList<PairingManagerListener>();
private UIAdapter ui;
private int tests_in_progress = 0;
protected
PairingManagerImpl()
{
AEDiagnostics.addEvidenceGenerator( this );
try{
ui = (UIAdapter)Class.forName( "com.aelitis.azureus.core.pairing.impl.swt.PMSWTImpl" ).newInstance();
}catch( Throwable e ){
}
must_update_once = COConfigurationManager.getBooleanParameter( "pairing.updateoutstanding" );
PluginInterface default_pi = PluginInitializer.getDefaultInterface();
final UIManager ui_manager = default_pi.getUIManager();
BasicPluginConfigModel configModel = ui_manager.createBasicPluginConfigModel(
ConfigSection.SECTION_CONNECTION, "Pairing");
configModel.addHyperlinkParameter2( "ConfigView.label.please.visit.here", MessageText.getString( "ConfigView.section.connection.pairing.url" ));
param_enable = configModel.addBooleanParameter2( "pairing.enable", "pairing.enable", false );
String access_code = readAccessCode();
param_ac_info = configModel.addInfoParameter2( "pairing.accesscode", access_code);
param_status_info = configModel.addInfoParameter2( "pairing.status.info", "" );
param_last_error = configModel.addInfoParameter2( "pairing.last.error", "" );
param_view = configModel.addHyperlinkParameter2( "pairing.view.registered", SERVICE_URL + "/web/view?ac=" + access_code);
if ( access_code.length() == 0 ){
param_view.setEnabled( false );
}
COConfigurationManager.registerExportedParameter( "pairing.enable", param_enable.getConfigKeyName());
COConfigurationManager.registerExportedParameter( "pairing.access_code", param_ac_info.getConfigKeyName());
final ActionParameter ap = configModel.addActionParameter2( "pairing.ac.getnew", "pairing.ac.getnew.create" );
ap.addListener(
new ParameterListener()
{
public void
parameterChanged(
Parameter param )
{
try{
ap.setEnabled( false );
allocateAccessCode( false );
SimpleTimer.addEvent(
"PM:enabler",
SystemTime.getOffsetTime(30*1000),
new TimerEventPerformer()
{
public void
perform(
TimerEvent event )
{
ap.setEnabled( true );
}
});
}catch( Throwable e ){
ap.setEnabled( true );
String details = MessageText.getString(
"pairing.alloc.fail",
new String[]{ Debug.getNestedExceptionMessage( e )});
ui_manager.showMessageBox(
"pairing.op.fail",
"!" + details + "!",
UIManagerEvent.MT_OK );
}
}
});
// srp
LabelParameter param_srp_info = configModel.addLabelParameter2( "pairing.srp.info" );
HyperlinkParameter param_srp_link = configModel.addHyperlinkParameter2( "label.more.info.here", MessageText.getString( "ConfigView.section.connection.pairing.srp.url" ));
param_srp_enable = configModel.addBooleanParameter2( "pairing.srp.enable", "pairing.srp.enable", false );
COConfigurationManager.registerExportedParameter( "pairing.srp_enable", param_srp_enable.getConfigKeyName());
param_srp_state = configModel.addLabelParameter2( "" );
updateSRPState();
final ActionParameter param_srp_set = configModel.addActionParameter2( "pairing.srp.setpw", "pairing.srp.setpw.doit" );
param_srp_set.addListener(
new ParameterListener()
{
public void
parameterChanged(
Parameter param )
{
param_srp_set.setEnabled( false );
new AEThread2( "getpw" )
{
public void
run()
{
try{
if ( ui != null ){
char[] password = ui.getSRPPassword();
if ( password != null ){
tunnel_handler.setSRPPassword( password );
}
}else{
Debug.out( "No UI available" );
}
}finally{
param_srp_set.setEnabled( true );
}
}
}.start();
}
});
param_srp_enable.addListener(
new ParameterListener()
{
public void
parameterChanged(
Parameter param )
{
boolean active = param_srp_enable.getValue();
tunnel_handler.setActive( active );
updateSRPState();
}
});
param_srp_enable.addEnabledOnSelection( param_srp_state );
param_srp_enable.addEnabledOnSelection( param_srp_set );
configModel.createGroup(
"pairing.group.srp",
new Parameter[]{
param_srp_info,
param_srp_link,
param_srp_enable,
param_srp_state,
param_srp_set,
});
// explicit
LabelParameter param_e_info = configModel.addLabelParameter2( "pairing.explicit.info" );
param_e_enable = configModel.addBooleanParameter2( "pairing.explicit.enable", "pairing.explicit.enable", false );
param_public_ipv4 = configModel.addStringParameter2( "pairing.ipv4", "pairing.ipv4", "" );
param_public_ipv6 = configModel.addStringParameter2( "pairing.ipv6", "pairing.ipv6", "" );
param_host = configModel.addStringParameter2( "pairing.host", "pairing.host", "" );
LabelParameter spacer = configModel.addLabelParameter2( "blank.resource" );
param_local_ipv4 = configModel.addStringParameter2( "pairing.local.ipv4", "pairing.local.ipv4", "" );
param_local_ipv6 = configModel.addStringParameter2( "pairing.local.ipv6", "pairing.local.ipv6", "" );
param_public_ipv4.setGenerateIntermediateEvents( false );
param_public_ipv6.setGenerateIntermediateEvents( false );
param_host.setGenerateIntermediateEvents( false );
ParameterListener change_listener =
new ParameterListener()
{
public void
parameterChanged(
Parameter param )
{
updateNeeded();
if ( param == param_enable ){
fireChanged();
}
}
};
param_enable.addListener( change_listener );
param_e_enable.addListener( change_listener );
param_public_ipv4.addListener( change_listener );
param_public_ipv6.addListener( change_listener );
param_local_ipv4.addListener( change_listener );
param_local_ipv6.addListener( change_listener );
param_host.addListener( change_listener );
param_e_enable.addEnabledOnSelection( param_public_ipv4 );
param_e_enable.addEnabledOnSelection( param_public_ipv6 );
param_e_enable.addEnabledOnSelection( param_local_ipv4 );
param_e_enable.addEnabledOnSelection( param_local_ipv6 );
param_e_enable.addEnabledOnSelection( param_host );
configModel.createGroup(
"pairing.group.explicit",
new Parameter[]{
param_e_info,
param_e_enable,
param_public_ipv4,
param_public_ipv6,
param_host,
spacer,
param_local_ipv4,
param_local_ipv6,
});
param_icon_enable = configModel.addBooleanParameter2( "pairing.config.icon.show", "pairing.config.icon.show", true );
AzureusCoreFactory.addCoreRunningListener(
new AzureusCoreRunningListener()
{
public void
azureusCoreRunning(
AzureusCore core )
{
initialise( core );
}
});
}
protected void
initialise(
AzureusCore _core )
{
synchronized( this ){
azureus_core = _core;
}
try{
tunnel_handler = new PairingManagerTunnelHandler( this, azureus_core );
PluginInterface default_pi = PluginInitializer.getDefaultInterface();
DelayedTask dt = default_pi.getUtilities().createDelayedTask(
new Runnable()
{
public void
run()
{
new DelayedEvent(
"PM:delayinit",
10*1000,
new AERunnable()
{
public void
runSupport()
{
enableUpdates();
}
});
}
});
dt.queue();
if ( ui != null ){
try{
ui.initialise( default_pi, param_icon_enable );
}catch( Throwable e ){
// ignore swt errors console UI users get here
}
}
}finally{
init_sem.releaseForever();
updateSRPState();
}
}
protected void
waitForInitialisation()
throws PairingException
{
if ( !init_sem.reserve( 30*1000 )){
throw( new PairingException( "Timeout waiting for initialisation" ));
}
}
public boolean
isEnabled()
{
return( param_enable.getValue());
}
public void
setEnabled(
boolean enabled )
{
param_enable.setValue( enabled );
}
public boolean
isSRPEnabled()
{
return( param_srp_enable.getValue());
}
public void
setSRPEnabled(
boolean enabled )
{
param_srp_enable.setValue( enabled );
}
public void
setGroup(
String group )
{
COConfigurationManager.setParameter( "pairing.groupcode", group );
updateNeeded();
}
public String
getGroup()
{
return( COConfigurationManager.getStringParameter( "pairing.groupcode", null ));
}
public List<PairedNode>
listGroup()
throws PairingException
{
try{
URL url = new URL( SERVICE_URL + "/remote/listGroup?gc=" + getGroup());
InputStream is = new ResourceDownloaderFactoryImpl().create( url ).download();
Map json = JSONUtils.decodeJSON( new String( FileUtil.readInputStreamAsByteArray( is ), "UTF-8" ));
List<Map> list = (List<Map>)json.get( "result" );
List<PairedNode> result = new ArrayList<PairedNode>();
String my_ac = peekAccessCode();
if ( list != null ){
for ( Map m: list ){
PairedNodeImpl node = new PairedNodeImpl( m );
if ( my_ac == null || !my_ac.equals( node.getAccessCode())){
result.add( node );
}
}
}
return( result );
}catch( Throwable e ){
throw( new PairingException( "Failed to list group", e ));
}
}
public List<PairedService>
lookupServices(
String access_code )
throws PairingException
{
try{
URL url = new URL( SERVICE_URL + "/remote/listBindings?ac=" + access_code + "&jsoncallback=" );
InputStream is = new ResourceDownloaderFactoryImpl().create( url ).download();
String reply = new String( FileUtil.readInputStreamAsByteArray( is ), "UTF-8" );
// hack to remove callback
reply = reply.substring( 1, reply.length()-1 );
Map json = JSONUtils.decodeJSON( reply );
Map error = (Map)json.get( "error" );
if ( error != null ){
throw( new PairingException((String)error.get( "msg" )));
}
List<Map> list = (List<Map>)json.get( "result" );
List<PairedService> result = new ArrayList<PairedService>();
if ( list != null ){
for ( Map m: list ){
result.add( new PairedService2Impl( (String)m.get( "sid" ), m ));
}
}
return( result );
}catch( Throwable e ){
throw( new PairingException( "Failed to lookup services", e ));
}
}
protected void
setStatus(
String str )
{
String last_status = param_status_info.getValue();
if ( !last_status.equals( str )){
param_status_info.setValue( str );
fireChanged();
}
}
public String
getStatus()
{
return( param_status_info.getValue());
}
public String
getSRPStatus()
{
if ( !isSRPEnabled()){
return( "Not enabled" );
}else if ( tunnel_handler == null ){
return( "Initialising" );
}else{
return( tunnel_handler.getStatus());
}
}
protected void
setLastServerError(
String error )
{
String last_error = param_last_error.getValue();
if ( error == null ){
error = "";
}
if ( !last_error.equals( error )){
param_last_error.setValue( error );
if ( error.contains( "generate a new one" )){
Logger.log(
new LogAlert(
true,
LogAlert.AT_WARNING,
"The pairing access code is invalid.\n\nCreate a new one via Tools->Options->Connection->Pairing or disable the pairing feature." ));
}
fireChanged();
}
}
public String
getLastServerError()
{
String last_error = param_last_error.getValue();
if ( last_error.length() == 0 ){
last_error = null;
}
return( last_error );
}
public boolean
hasActionOutstanding()
{
synchronized( this ){
if ( !isEnabled()){
return( false );
}
return( !updates_enabled || update_outstanding || deferred_update_event != null || update_in_progress );
}
}
protected String
readAccessCode()
{
return( COConfigurationManager.getStringParameter( "pairing.accesscode", "" ));
}
protected void
writeAccessCode(
String ac )
{
COConfigurationManager.setParameter( "pairing.accesscode", ac );
// try not to loose this!
COConfigurationManager.save();
param_ac_info.setValue( ac );
param_view.setHyperlink( SERVICE_URL + "/web/view?ac=" + ac );
param_view.setEnabled( ac.length() > 0 );
}
private File
receiveQR(
String ac,
Map<String,Object> response )
{
try{
byte[] bytes = (byte[])response.get( "qr_b" );
if ( bytes == null ){
return( null );
}
long ver = (Long)response.get( "qr_v" );
File cache_dir = new File( SystemProperties.getUserPath(), "cache" );
File qr_file = new File( cache_dir, "qr_" + ac + "_" + ver + ".png" );
if ( FileUtil.writeBytesAsFile2( qr_file.getAbsolutePath(), bytes )){
return( qr_file );
}
return( null );
}catch( Throwable e ){
Debug.out( e );
return( null );
}
}
public File
getQRCode()
{
//check current qr version against cached file if it exists
String existing = readAccessCode();
if ( existing == null ){
return( null );
}
if ( qr_version > 0 ){
File cache_dir = new File( SystemProperties.getUserPath(), "cache" );
File qr_file = new File( cache_dir, "qr_" + existing + "_" + qr_version + ".png" );
if ( qr_file.exists()){
return( qr_file );
}
}
Map<String,Object> request = new HashMap<String, Object>();
request.put( "ac", existing );
try{
Map<String,Object> response = sendRequest( "get_qr", request );
return( receiveQR( existing, response ));
}catch( Throwable e ){
Debug.out( e );
return( null );
}
}
protected String
allocateAccessCode(
boolean updating )
throws PairingException
{
Map<String,Object> request = new HashMap<String, Object>();
String existing = readAccessCode();
request.put( "ac", existing );
request.put( "qr", 1L );
Map<String,Object> response = sendRequest( "allocate", request );
try{
String code = getString( response, "ac" );
receiveQR( code, response );
writeAccessCode( code );
if ( !updating ){
updateNeeded();
}
fireChanged();
return( code );
}catch( Throwable e ){
throw( new PairingException( "allocation failed", e ));
}
}
public String
peekAccessCode()
{
return( readAccessCode());
}
public String
getAccessCode()
throws PairingException
{
waitForInitialisation();
String ac = readAccessCode();
if ( ac == null || ac.length() == 0 ){
ac = allocateAccessCode( false );
}
return( ac );
}
public void
getAccessCode(
final PairingManagerListener listener )
throws PairingException
{
new AEThread2( "PM:gac", true )
{
public void
run()
{
try{
getAccessCode();
}catch( Throwable e ){
}finally{
listener.somethingChanged( PairingManagerImpl.this );
}
}
}.start();
}
public String
getReplacementAccessCode()
throws PairingException
{
waitForInitialisation();
String new_code = allocateAccessCode( false );
return( new_code );
}
public PairedService
addService(
String sid,
PairedServiceRequestHandler handler )
{
synchronized( this ){
PairedServiceImpl result = services.get( sid );
if ( result == null ){
if ( DEBUG ){
System.out.println( "PS: added " + sid );
}
result = new PairedServiceImpl( sid, handler );
services.put( sid, result );
}else{
result.setHandler( handler );
}
return( result );
}
}
public PairedServiceImpl
getService(
String sid )
{
synchronized( this ){
PairedServiceImpl result = services.get( sid );
return( result );
}
}
protected void
remove(
PairedServiceImpl service )
{
synchronized( this ){
String sid = service.getSID();
if ( services.remove( sid ) != null ){
if ( DEBUG ){
System.out.println( "PS: removed " + sid );
}
}
}
updateNeeded();
}
protected void
sync(
PairedServiceImpl service )
{
updateNeeded();
}
protected InetAddress
updateAddress(
InetAddress current,
InetAddress latest,
boolean v6 )
{
if ( v6 ){
if ( latest instanceof Inet4Address ){
return( current );
}
}else{
if ( latest instanceof Inet6Address ){
return( current );
}
}
if ( current == latest ){
return( current );
}
if ( current == null || latest == null ){
return( latest );
}
if ( !current.equals( latest )){
return( latest );
}
return( current );
}
protected void
updateGlobals(
boolean is_updating )
{
final long now = SystemTime.getMonotonousTime();
NetworkAdmin network_admin = NetworkAdmin.getSingleton();
InetAddress latest_v4 = azureus_core.getInstanceManager().getMyInstance().getExternalAddress();
synchronized( this ){
InetAddress temp_v4 = updateAddress( current_v4, latest_v4, false );
InetAddress latest_v6 = network_admin.getDefaultPublicAddressV6();
InetAddress temp_v6 = updateAddress( current_v6, latest_v6, true );
final TreeSet<String> latest_v4_locals = new TreeSet<String>();
final TreeSet<String> latest_v6_locals = new TreeSet<String>();
NetworkAdminNetworkInterface[] interfaces = network_admin.getInterfaces();
List<Runnable> to_do = new ArrayList<Runnable>();
Set<String> existing_checked;
synchronized( local_address_checks ){
existing_checked = new HashSet<String>( local_address_checks.keySet());
}
for ( NetworkAdminNetworkInterface intf: interfaces ){
NetworkAdminNetworkInterfaceAddress[] addresses = intf.getAddresses();
for ( NetworkAdminNetworkInterfaceAddress address: addresses ){
final InetAddress ia = address.getAddress();
if ( ia.isLoopbackAddress()){
continue;
}
if ( ia.isLinkLocalAddress() || ia.isSiteLocalAddress()){
final String a_str = ia.getHostAddress();
existing_checked.remove( a_str );
Object[] check;
synchronized( local_address_checks ){
check = local_address_checks.get( a_str );
}
boolean run_check = check == null || now - ((Long)check[0]) > CONNECT_TEST_PERIOD_MILLIS;
if ( run_check ){
to_do.add(
new Runnable()
{
public void
run()
{
Socket socket = new Socket();
String result = a_str;
try{
socket.bind( new InetSocketAddress( ia, 0 ));
socket.connect( new InetSocketAddress( "www.google.com", 80 ), 10*1000 );
result += "*";
}catch( Throwable e ){
}finally{
try{
socket.close();
}catch( Throwable e ){
}
}
synchronized( local_address_checks ){
local_address_checks.put( a_str, new Object[]{ new Long(now), result });
if ( ia instanceof Inet4Address ){
latest_v4_locals.add( result );
}else{
latest_v6_locals.add( result );
}
}
}
});
}else{
if ( ia instanceof Inet4Address ){
latest_v4_locals.add((String)check[1]);
}else{
latest_v6_locals.add((String)check[1]);
}
}
}
}
}
if ( to_do.size() > 0 ){
final AESemaphore sem = new AESemaphore( "PM:check" );
for ( final Runnable r: to_do ){
new AEThread2( "PM:check:", true )
{
public void
run()
{
try{
r.run();
}finally{
sem.release();
}
}
}.start();
}
for (int i=0;i<to_do.size();i++){
sem.reserve();
}
}
synchronized( local_address_checks ){
for ( String excess: existing_checked ){
local_address_checks.remove( excess );
}
}
String v4_locals_str = getString( latest_v4_locals );
String v6_locals_str = getString( latest_v6_locals );
if ( temp_v4 != current_v4 ||
temp_v6 != current_v6 ||
!v4_locals_str.equals( local_v4 ) ||
!v6_locals_str.equals( local_v6 )){
current_v4 = temp_v4;
current_v6 = temp_v6;
local_v4 = v4_locals_str;
local_v6 = v6_locals_str;
if ( !is_updating ){
updateNeeded();
}
}
}
}
protected String
getString(
Set<String> set )
{
String str = "";
for ( String s: set ){
str += (str.length()==0?"":",") + s;
}
return( str );
}
protected void
enableUpdates()
{
synchronized( this ){
updates_enabled = true;
if ( update_outstanding ){
update_outstanding = false;
updateNeeded();
}
}
}
protected void
updateNeeded()
{
if ( DEBUG ){
System.out.println( "PS: updateNeeded" );
}
synchronized( this ){
if ( updates_enabled ){
dispatcher.dispatch(
new AERunnable()
{
public void
runSupport()
{
doUpdate();
}
});
}else{
setStatus( MessageText.getString( "pairing.status.initialising" ));
update_outstanding = true;
}
}
}
protected void
doUpdate()
{
long now = SystemTime.getMonotonousTime();
synchronized( this ){
if ( deferred_update_event != null ){
return;
}
long time_since_last_update = now - last_update_time;
if ( last_update_time > 0 && time_since_last_update < min_update_period ){
deferUpdate( min_update_period - time_since_last_update );
return;
}
update_in_progress = true;
}
try{
Map<String,Object> payload = new HashMap<String, Object>();
boolean is_enabled = param_enable.getValue();
boolean has_services = false;
synchronized( this ){
List<Map<String,String>> list = new ArrayList<Map<String,String>>();
payload.put( "s", list );
if ( services.size() > 0 && is_enabled ){
if ( global_update_event == null ){
global_update_event =
SimpleTimer.addPeriodicEvent(
"PM:updater",
GLOBAL_UPDATE_PERIOD,
new TimerEventPerformer()
{
private int tick_count;
public void
perform(
TimerEvent event )
{
tick_count++;
updateGlobals( false );
if ( tick_count % CD_REFRESH_TICKS == 0 ){
updateNeeded();
}
}
});
updateGlobals( true );
}
for ( PairedServiceImpl service: services.values()){
list.add( service.toMap());
}
has_services = list.size() > 0;
}else{
// when we get to zero services we want to push through the
// last update to remove cd
if ( global_update_event == null ){
if ( consec_update_fails == 0 && !must_update_once ){
update_in_progress = false;
setStatus( MessageText.getString( is_enabled?"pairing.status.noservices":"pairing.status.disabled" ));
return;
}
}else{
global_update_event.cancel();
global_update_event = null;
}
}
last_update_time = now;
}
// we need a valid access code here!
String ac = readAccessCode();
if ( ac.length() == 0 ){
ac = allocateAccessCode( true );
}
payload.put( "ac", ac );
String gc = getGroup();
if ( gc != null && gc.length() > 0 ){
payload.put( "gc", gc );
}
if ( is_enabled && has_services && param_srp_enable.getValue()){
tunnel_handler.setActive( true );
tunnel_handler.updateRegistrationData( payload );
}else{
tunnel_handler.setActive( false );
}
synchronized( this ){
if ( current_v4 != null ){
payload.put( "c_v4", current_v4.getHostAddress());
}
if ( current_v6 != null ){
payload.put( "c_v6", current_v6.getHostAddress());
}
if ( local_v4.length() > 0 ){
payload.put( "l_v4", local_v4 );
}
if ( local_v6.length() > 0 ){
payload.put( "l_v6", local_v6 );
}
if ( param_e_enable.getValue()){
String host = param_host.getValue().trim();
if ( host.length() > 0 ){
payload.put( "e_h", host );
}
String v4 = param_public_ipv4.getValue().trim();
if ( v4.length() > 0 ){
payload.put( "e_v4", v4 );
}
String v6 = param_public_ipv6.getValue().trim();
if ( v6.length() > 0 ){
payload.put( "e_v6", v6 );
}
String l_v4 = param_local_ipv4.getValue().trim();
if ( l_v4.length() > 0 ){
payload.put( "e_l_v4", l_v4 );
}
String l_v6 = param_local_ipv6.getValue().trim();
if ( l_v6.length() > 0 ){
payload.put( "e_l_v6", l_v6 );
}
}
// grab some UPnP info for diagnostics
try{
PluginInterface pi_upnp = azureus_core.getPluginManager().getPluginInterfaceByClass( UPnPPlugin.class );
if ( pi_upnp != null ){
UPnPPlugin upnp = (UPnPPlugin)pi_upnp.getPlugin();
if ( upnp.isEnabled()){
List<Map<String,String>> upnp_list = new ArrayList<Map<String,String>>();
payload.put( "upnp", upnp_list );
UPnPPluginService[] services = upnp.getServices();
Set<UPnPRootDevice> devices = new HashSet<UPnPRootDevice>();
for ( UPnPPluginService service: services ){
// some users get silly numbers of services :(
if ( upnp_list.size() > 10 ){
break;
}
UPnPRootDevice root_device = service.getService().getGenericService().getDevice().getRootDevice();
if ( !devices.contains( root_device )){
devices.add( root_device );
Map<String,String> map = new HashMap<String, String>();
upnp_list.add( map );
map.put( "i", root_device.getInfo());
}
}
}
}
}catch( Throwable e ){
}
try{
NetworkAdmin admin = NetworkAdmin.getSingleton();
NetworkAdminHTTPProxy http_proxy = admin.getHTTPProxy();
if ( http_proxy != null ){
payload.put( "hp", http_proxy.getName());
}
NetworkAdminSocksProxy[] socks_proxies = admin.getSocksProxies();
if ( socks_proxies.length > 0 ){
payload.put( "sp", socks_proxies[0].getName());
}
}catch( Throwable e ){
}
payload.put( "_enabled", is_enabled?1L:0L );
}
if ( DEBUG ){
System.out.println( "PS: doUpdate: " + payload );
}
sendRequest( "update", payload );
synchronized( this ){
consec_update_fails = 0;
must_update_once = false;
if ( deferred_update_event == null ){
COConfigurationManager.setParameter( "pairing.updateoutstanding", false );
}
update_in_progress = false;
if ( global_update_event == null ){
setStatus( MessageText.getString( is_enabled?"pairing.status.noservices":"pairing.status.disabled" ));
}else{
setStatus(
MessageText.getString(
"pairing.status.registered",
new String[]{ new SimpleDateFormat().format(new Date( SystemTime.getCurrentTime() ))}));
}
}
}catch( Throwable e ){
synchronized( this ){
try{
consec_update_fails++;
long back_off = min_update_period;
for (int i=0;i<consec_update_fails;i++){
back_off *= 2;
if ( back_off > max_update_period ){
back_off = max_update_period;
break;
}
}
deferUpdate( back_off );
}finally{
update_in_progress = false;
}
}
}finally{
synchronized( this ){
if ( update_in_progress ){
Debug.out( "Something didn't clear update_in_progress!!!!" );
update_in_progress = false;
}
}
}
}
protected void
deferUpdate(
long millis )
{
millis += 5000;
long target = SystemTime.getOffsetTime( millis );
deferred_update_event =
SimpleTimer.addEvent(
"PM:defer",
target,
new TimerEventPerformer()
{
public void
perform(
TimerEvent event )
{
synchronized( PairingManagerImpl.this ){
deferred_update_event = null;
}
COConfigurationManager.setParameter( "pairing.updateoutstanding", false );
updateNeeded();
}
});
setStatus(
MessageText.getString(
"pairing.status.pending",
new String[]{ new SimpleDateFormat().format(new Date( target ))}));
COConfigurationManager.setParameter( "pairing.updateoutstanding", true );
}
private Map<String, Object>
sendRequest(
String command,
Map<String, Object> payload )
throws PairingException
{
try{
Map<String, Object> request = new HashMap<String, Object>();
CryptoManager cman = CryptoManagerFactory.getSingleton();
String azid = Base32.encode( cman.getSecureID());
payload.put( "_azid", azid );
try{
String pk = Base32.encode( cman.getECCHandler().getPublicKey( "pairing" ));
payload.put( "_pk", pk );
}catch( Throwable e ){
}
request.put( "req", payload );
String request_str = Base32.encode( BEncoder.encode( request ));
String sig = null;
try{
sig = Base32.encode( cman.getECCHandler().sign( request_str.getBytes( "UTF-8" ), "pairing" ));
}catch( Throwable e ){
}
String other_params =
"&ver=" + UrlUtils.encode( Constants.AZUREUS_VERSION ) +
"&app=" + UrlUtils.encode( SystemProperties.getApplicationName()) +
"&locale=" + UrlUtils.encode( MessageText.getCurrentLocale().toString());
if ( sig != null ){
other_params += "&sig=" + sig;
}
URL target = new URL( SERVICE_URL + "/client/" + command + "?request=" + request_str + other_params );
Properties http_properties = new Properties();
http_properties.put( ClientIDGenerator.PR_URL, target );
try{
ClientIDManagerImpl.getSingleton().generateHTTPProperties( http_properties );
}catch( ClientIDException e ){
throw( new IOException( e.getMessage()));
}
target = (URL)http_properties.get( ClientIDGenerator.PR_URL );
HttpURLConnection connection = (HttpURLConnection)target.openConnection();
connection.setConnectTimeout( 30*1000 );
InputStream is = connection.getInputStream();
Map<String,Object> response = (Map<String,Object>)BDecoder.decode( new BufferedInputStream( is ));
synchronized( this ){
Long min_retry = (Long)response.get( "min_secs" );
if ( min_retry != null ){
min_update_period = min_retry.intValue()*1000;
}
Long max_retry = (Long)response.get( "max_secs" );
if ( max_retry != null ){
max_update_period = max_retry.intValue()*1000;
}
}
final String message = getString( response, "message" );
if ( message != null ){
if ( last_message == null || !last_message.equals( message )){
last_message = message;
try{
byte[] message_sig = (byte[])response.get( "message_sig" );
AEVerifier.verifyData( message, message_sig );
new AEThread2( "PairMsg", true )
{
public void
run()
{
UIManager ui_manager = StaticUtilities.getUIManager( 120*1000 );
if ( ui_manager != null ){
ui_manager.showMessageBox(
"pairing.server.warning.title",
"!" + message + "!",
UIManagerEvent.MT_OK );
}
}
}.start();
}catch( Throwable e ){
}
}
}
String error = getString( response, "error" );
if ( error != null ){
throw( new PairingException( error ));
}
setLastServerError( null );
Map<String,Object> reply = (Map<String,Object>)response.get( "rep" );
Long qr_v = (Long)reply.get( "qr_v" );
if ( qr_v != null ){
if ( qr_version != qr_v.longValue()){
qr_version = qr_v;
COConfigurationManager.setParameter( "pairing.qr.ver", qr_version );
}
}
return( reply );
}catch( Throwable e ){
setLastServerError( Debug.getNestedExceptionMessage( e ));
if ( e instanceof PairingException ){
throw((PairingException)e);
}
throw( new PairingException( "invocation failed", e ));
}
}
public PairingTest
testService(
String sid,
PairingTestListener listener )
throws PairingException
{
return( new TestServiceImpl( sid, listener ));
}
protected void
updateSRPState()
{
String text;
if ( param_srp_enable.getValue()){
if ( tunnel_handler == null ){
text = MessageText.getString( "pairing.status.initialising" ) + "...";
}else{
text = tunnel_handler.getStatus();
}
}else{
text = MessageText.getString( "MyTorrentsView.menu.setSpeed.disabled" );
}
param_srp_state.setLabelText( MessageText.getString( "pairing.srp.state", new String[]{ text }));
}
public void
setSRPPassword(
char[] password )
{
init_sem.reserve();
tunnel_handler.setSRPPassword( password );
}
public boolean
handleLocalTunnel(
TrackerWebPageRequest request,
TrackerWebPageResponse response )
throws IOException
{
init_sem.reserve();
return( tunnel_handler.handleLocalTunnel( request, response ));
}
public void
recordRequest(
String name,
String ip,
boolean good )
{
synchronized( this ){
// don't record any incoming stuff during a test as we don't want to
// show this as a significant event
if ( tests_in_progress > 0 ){
return;
}
}
if ( ui != null ){
try{
ui.recordRequest( name, ip, good );
}catch( Throwable e ){
// ignore swt errors console UI users get here
}
}
}
protected void
fireChanged()
{
for ( PairingManagerListener l: listeners ){
try{
l.somethingChanged( this );
}catch( Throwable e ){
Debug.out( e );
}
}
}
public void
addListener(
PairingManagerListener l )
{
listeners.add( l );
}
public void
removeListener(
PairingManagerListener l )
{
listeners.remove( l );
}
protected String
getString(
Map<String,Object> map,
String name )
throws IOException
{
byte[] bytes = (byte[])map.get(name);
if ( bytes == null ){
return( null );
}
return( new String( bytes, "UTF-8" ));
}
public void
generate(
IndentWriter writer )
{
writer.println( "Pairing Manager" );
try{
writer.indent();
if ( tunnel_handler != null ){
tunnel_handler.generateEvidence( writer );
}
}finally{
writer.exdent();
}
}
protected class
TestServiceImpl
implements PairingTest
{
final private String sid;
final private PairingTestListener listener;
private volatile int outcome = OT_PENDING;
private volatile String error_message;
private volatile boolean cancelled;
protected
TestServiceImpl(
String _sid,
PairingTestListener _listener )
{
sid = _sid;
listener = _listener;
new AEThread2( "PM:test" )
{
public void
run()
{
try{
String access_code = null;
long sid_wait_start = -1;
while( true ){
if ( !isEnabled()){
throw( new Exception( "Pairing is disabled" ));
}
access_code = peekAccessCode();
if ( access_code != null ){
if ( !hasActionOutstanding()){
if ( getService( sid ) != null ){
break;
}else{
long now = SystemTime.getMonotonousTime();
if ( sid_wait_start == -1 ){
sid_wait_start = now;
}else{
if ( now - sid_wait_start > 5000 ){
break;
}
}
}
}
}
Thread.sleep( 500 );
if ( cancelled ){
outcome = OT_CANCELLED;
return;
}
}
PairedService service = getService( sid );
if ( service == null ){
throw( new Exception( "Service not found" ));
}
listener.testStarted( TestServiceImpl.this );
String other_params =
"&ver=" + UrlUtils.encode( Constants.AZUREUS_VERSION ) +
"&app=" + UrlUtils.encode( SystemProperties.getApplicationName()) +
"&locale=" + UrlUtils.encode( MessageText.getCurrentLocale().toString());
URL target = new URL( SERVICE_URL + "/web/test?sid=" + sid + "&ac=" + access_code + "&format=bencode" + other_params );
HttpURLConnection connection = (HttpURLConnection)target.openConnection();
connection.setConnectTimeout( 10*1000 );
try{
synchronized( PairingManagerImpl.this ){
tests_in_progress++;
}
InputStream is = connection.getInputStream();
Map<String,Object> response = (Map<String,Object>)BDecoder.decode( new BufferedInputStream( is ));
response = BDecoder.decodeStrings( response );
Long code = (Long)response.get( "code" );
if ( code == null ){
throw( new Exception( "Code missing from reply" ));
}
error_message = (String)response.get( "msg" );
if ( code == 1 ){
outcome = OT_SUCCESS;
}else if ( code == 2 ){
outcome = OT_SERVER_OVERLOADED;
}else if ( code == 3 ){
outcome = OT_SERVER_FAILED;
}else if ( code == 4 ){
outcome = OT_FAILED;
error_message = "Connect timeout";
}else if ( code == 5 ){
outcome = OT_FAILED;
}else{
outcome = OT_SERVER_FAILED;;
error_message = "Unknown response code " + code;
}
}catch( SocketTimeoutException e ){
outcome = OT_SERVER_UNAVAILABLE;
error_message = "Connect timeout";
}
}catch( Throwable e ){
outcome = OT_SERVER_UNAVAILABLE;
error_message = Debug.getNestedExceptionMessage( e );
}finally{
try{
listener.testComplete( TestServiceImpl.this );
}finally{
synchronized( PairingManagerImpl.this ){
tests_in_progress--;
}
}
}
}
}.start();
}
public int
getOutcome()
{
return( outcome );
}
public String
getErrorMessage()
{
return( error_message );
}
public void
cancel()
{
cancelled = true;
}
}
protected class
PairedServiceImpl
implements PairedService, PairingConnectionData
{
private String sid;
private Map<String,String> attributes = new HashMap<String, String>();
private PairedServiceRequestHandler request_handler;
protected
PairedServiceImpl(
String _sid,
PairedServiceRequestHandler _request_handler )
{
sid = _sid;
request_handler = _request_handler;
}
public String
getSID()
{
return( sid );
}
protected void
setHandler(
PairedServiceRequestHandler _h )
{
request_handler = _h;
}
protected PairedServiceRequestHandler
getHandler()
{
return( request_handler );
}
public PairingConnectionData
getConnectionData()
{
return( this );
}
public void
remove()
{
PairingManagerImpl.this.remove( this );
}
public void
setAttribute(
String name,
String value )
{
synchronized( this ){
if ( DEBUG ){
System.out.println( "PS: " + sid + ": " + name + " -> " + value );
}
if ( value == null ){
attributes.remove( name );
}else{
attributes.put( name, value );
}
}
}
public String
getAttribute(
String name )
{
synchronized( this ){
return( attributes.get( name ));
}
}
public void
sync()
{
PairingManagerImpl.this.sync( this );
}
protected Map<String,String>
toMap()
{
Map<String,String> result = new HashMap<String, String>();
result.put( "sid", sid );
synchronized( this ){
result.putAll( attributes );
}
return( result );
}
}
private class
PairedNodeImpl
implements PairedNode
{
private Map map;
protected
PairedNodeImpl(
Map _map )
{
map = _map;
}
public String
getAccessCode()
{
return((String)map.get( "ac" ));
}
public List<InetAddress>
getAddresses()
{
Set<InetAddress> addresses = new HashSet<InetAddress>();
addAddress( addresses, "c_v4" );
addAddress( addresses, "c_v6" );
addAddress( addresses, "l_v4" );
addAddress( addresses, "l_v6" );
addAddress( addresses, "e_v4" );
addAddress( addresses, "e_v6" );
addAddress( addresses, "e_l_v4" );
addAddress( addresses, "e_l_v6" );
addAddress( addresses, "e_h" );
return( new ArrayList<InetAddress>( addresses ));
}
private void
addAddress(
Set<InetAddress> addresses,
String key )
{
String str = (String)map.get( key );
if ( str != null ){
String[] bits = str.split(",");
for ( String bit: bits ){
bit = bit.trim();
if ( bit.length() == 0 ){
continue;
}
if ( bit.endsWith( "*" )){
bit = bit.substring( 0, bit.length()-1 );
}
try{
addresses.add( InetAddress.getByName( bit ));
}catch( Throwable e ){
}
}
}
}
public List<PairedService>
getServices()
{
Map<String,Map> smap = (Map)map.get( "services" );
List<PairedService> services = new ArrayList<PairedService>();
for ( Map.Entry<String,Map> entry: smap.entrySet()){
services.add( new PairedService2Impl( entry.getKey(), entry.getValue()));
}
return( services );
}
}
private class
PairedService2Impl
implements PairedService
{
private String sid;
private Map map;
protected
PairedService2Impl(
String _sid,
Map _map )
{
sid = _sid;
map = _map;
}
public String
getSID()
{
return( sid );
}
public PairingConnectionData
getConnectionData()
{
return( new PairingConnectionData2( map ));
}
public void
remove()
{
throw( new RuntimeException( "Not supported" ));
}
}
private class
PairingConnectionData2
implements PairingConnectionData
{
private Map map;
protected
PairingConnectionData2(
Map _map )
{
map = _map;
}
public void
setAttribute(
String name,
String value )
{
throw( new RuntimeException( "Not supported" ));
}
public String
getAttribute(
String name )
{
return( (String)map.get( name ));
}
public void
sync()
{
throw( new RuntimeException( "Not supported" ));
}
}
public interface
UIAdapter
{
public void
initialise(
PluginInterface pi,
BooleanParameter icon_enable );
public void
recordRequest(
final String name,
final String ip,
final boolean good );
public char[]
getSRPPassword();
}
}