[3952] | 1 | /* |
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| 2 | * Jeti, a Java Jabber client, Copyright (C) 2004 E.S. de Boer |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | * For questions, comments etc, |
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| 19 | * use the website at http://jeti.jabberstudio.org |
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| 20 | * or mail me at jeti@jabber.org |
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| 21 | */ |
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| 22 | package nu.fw.jeti.plugins.filetransfer.socks5; |
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| 23 | |
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| 24 | import java.io.*; |
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| 25 | import java.net.*; |
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| 26 | import java.util.Iterator; |
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| 27 | import java.util.LinkedList; |
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| 28 | import java.util.List; |
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| 29 | |
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| 30 | import nu.fw.jeti.events.IQResultListener; |
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| 31 | import nu.fw.jeti.events.StatusChangeListener; |
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| 32 | import nu.fw.jeti.jabber.Backend; |
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| 33 | import nu.fw.jeti.jabber.JID; |
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| 34 | import nu.fw.jeti.jabber.elements.IQExtension; |
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| 35 | import nu.fw.jeti.jabber.elements.InfoQuery; |
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| 36 | import nu.fw.jeti.plugins.filetransfer.Plugin; |
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| 37 | import nu.fw.jeti.plugins.filetransfer.SendFileProgress; |
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| 38 | import nu.fw.jeti.plugins.filetransfer.StreamSend; |
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| 39 | import nu.fw.jeti.plugins.filetransfer.socks5.StreamHost; |
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| 40 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.ProxyServer; |
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| 41 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.ServerAuthenticatorNone; |
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| 42 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.Socks5Proxy; |
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| 43 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.SocksSocket; |
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| 44 | import nu.fw.jeti.util.I18N; |
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| 45 | import nu.fw.jeti.util.Popups; |
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| 46 | import nu.fw.jeti.util.Preferences; |
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| 47 | |
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| 48 | |
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| 49 | |
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| 50 | //31-okt-2004 |
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| 51 | public class Socks5Send implements StreamSend |
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| 52 | { |
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| 53 | private Backend backend; |
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| 54 | private String sid; |
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| 55 | private static List proxies = new LinkedList(); |
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| 56 | private List streamHosts; |
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| 57 | private File file; |
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| 58 | private long bytes; |
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| 59 | private SendFileProgress window; |
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| 60 | private ProxyServer proxyServer; |
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| 61 | private Thread proxyServerThread; |
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| 62 | private Thread sendThread; |
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| 63 | private int port = 7777; |
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| 64 | |
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| 65 | public Socks5Send(File file,final Backend backend,SendFileProgress f,JID jid,String id) |
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| 66 | { |
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| 67 | window = f; |
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| 68 | sid = id; |
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| 69 | streamHosts = new LinkedList(); |
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| 70 | streamHosts.addAll(proxies); |
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| 71 | this.backend = backend; |
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| 72 | this.file = file; |
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| 73 | |
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| 74 | /* |
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| 75 | * Esta alteração visa recupera a inteface de rede local, usada para transferir arquivo. |
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| 76 | * Previne erro no caso do cliente ter múltiplas interface de rede. |
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| 77 | * |
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| 78 | * emmanuel.ferro@serpro.gov.br em 08/10/2010 |
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| 79 | * |
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| 80 | */ |
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| 81 | |
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| 82 | String ip = backend.getLocalIP().getHostAddress(); |
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| 83 | System.out.println("getLocalIP = " + ip); |
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| 84 | streamHosts.add( new StreamHost( backend.getMyJID(), ip, 7777, null)); |
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| 85 | startSocksServer(file, backend, jid); |
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| 86 | |
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| 87 | if( Preferences.getBoolean( "filetransfer", "useLocalIP", true ) ) |
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| 88 | { |
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| 89 | ip = Plugin.getIP(); |
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| 90 | |
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| 91 | if ( ip != null ) |
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| 92 | { |
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| 93 | streamHosts.add(new StreamHost(backend.getMyJID(),ip, Preferences.getInteger("filetransfer","port",7777),null)); |
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| 94 | startSocksServer(file, backend, jid); |
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| 95 | } |
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| 96 | } |
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| 97 | |
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| 98 | backend.send(new InfoQuery(jid,"set",backend.getIdentifier(),new Socks5Extension(sid,streamHosts)), |
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| 99 | new IQResultListener() |
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| 100 | { |
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| 101 | public void iqResult(InfoQuery iq) |
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| 102 | { |
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| 103 | if(iq.getType().equals("result")) |
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| 104 | { |
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| 105 | IQExtension e = iq.getIQExtension(); |
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| 106 | if(e instanceof Socks5Extension) |
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| 107 | { |
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| 108 | JID streamHostJID = ((Socks5Extension)e).getStreamHostUsed(); |
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| 109 | if(streamHostJID!=null) |
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| 110 | { |
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| 111 | if(!streamHostJID.equals(backend.getMyJID())) |
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| 112 | { |
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| 113 | if(proxyServerThread!=null)proxyServerThread.interrupt(); |
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| 114 | doProxy(streamHostJID,iq.getFrom()); |
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| 115 | } |
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| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | else |
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| 120 | { //TODO add refuse error |
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| 121 | Popups.messagePopup(I18N.gettext("filetransfer.Problem_during_file_transfer,_transfer_aborted"),I18N.gettext("filetransfer.File_Transfer")); |
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| 122 | } |
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| 123 | } |
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| 124 | },0); |
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| 125 | |
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| 126 | } |
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| 127 | |
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| 128 | public static void initProxies(final Backend backend) |
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| 129 | { |
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| 130 | backend.addListener(StatusChangeListener.class,new StatusChangeListener() |
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| 131 | { |
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| 132 | public void connectionChanged(boolean online) |
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| 133 | { |
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| 134 | String proxy = Preferences.getString("filetransfer", "proxy", null); |
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| 135 | |
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| 136 | if( proxy != null ) |
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| 137 | getProxyInfo(backend,new JID(proxy)); |
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| 138 | |
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| 139 | //getProxyInfo(backend,new JID("proxy.jabber.org")); |
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| 140 | //getProxyInfo(backend,new JID("proxy65.jabber.ccc.de")); |
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| 141 | //getProxyInfo(backend,new JID("proxy65.jabber.autocom.pl")); |
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| 142 | //getProxyInfo(backend,new JID("proxy.netlab.cz")); |
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| 143 | //getProxyInfo(backend,new JID("proxy.jabber.cd.chalmers.se")); |
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| 144 | //getProxyInfo(backend,new JID("proxy65.jaim.at")); |
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| 145 | } |
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| 146 | |
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| 147 | public void ownPresenceChanged(int show, String status) {} |
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| 148 | |
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| 149 | public void exit(){} |
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| 150 | }); |
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| 151 | } |
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| 152 | |
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| 153 | public static boolean isProxyAvailable() |
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| 154 | { |
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| 155 | System.out.println(proxies); |
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| 156 | System.out.println(!proxies.isEmpty()); |
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| 157 | return !proxies.isEmpty(); |
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| 158 | } |
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| 159 | |
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| 160 | private static void getProxyInfo(final Backend backend,JID jid) |
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| 161 | { |
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| 162 | backend.send(new InfoQuery(jid,"get",new Socks5Extension((JID)null,null)), new IQResultListener() |
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| 163 | { |
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| 164 | public void iqResult(InfoQuery iq) |
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| 165 | { |
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| 166 | Socks5Extension s = (Socks5Extension)iq.getIQExtension(); |
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| 167 | if(s!=null && s.hasStreamHosts()) |
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| 168 | { |
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| 169 | for(Iterator i= s.getStreamHosts();i.hasNext();) |
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| 170 | { |
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| 171 | StreamHost h = (StreamHost)i.next(); |
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| 172 | proxies.add(h); |
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| 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | }, 100); |
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| 177 | } |
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| 178 | |
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| 179 | private void startSocksServer(final File file,final Backend backend, final JID jid) |
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| 180 | { |
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| 181 | proxyServerThread = new Thread(new Runnable() |
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| 182 | { |
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| 183 | public void run() |
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| 184 | { |
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| 185 | // set socks5 server |
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| 186 | String digest =Plugin.sha(sid,backend.getMyJID(),jid); |
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| 187 | ServerSocket ss=null; |
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| 188 | try{ |
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| 189 | ss = new ServerSocket(port); |
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| 190 | // while(true){ |
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| 191 | Socket s = ss.accept(); |
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| 192 | System.out.println("Accepted from:"+s.getInetAddress().getHostName()+":" |
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| 193 | +s.getPort()); |
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| 194 | proxyServer = new ProxyServer(new ServerAuthenticatorNone(),s,file,digest,Socks5Send.this); |
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| 195 | //} |
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| 196 | }catch(IOException ioe){ |
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| 197 | ioe.printStackTrace(); |
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| 198 | } |
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| 199 | finally |
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| 200 | { |
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| 201 | try { |
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| 202 | if(ss!=null)ss.close(); |
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| 203 | } catch (IOException e) { |
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| 204 | // TODO Auto-generated catch block |
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| 205 | e.printStackTrace(); |
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| 206 | } |
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| 207 | } |
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| 208 | } |
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| 209 | }); |
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| 210 | proxyServerThread.setPriority(Thread.NORM_PRIORITY); |
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| 211 | proxyServerThread.start(); |
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| 212 | } |
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| 213 | |
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| 214 | private void doProxy(final JID streamHostID,final JID targetJID) |
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| 215 | { |
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| 216 | new Thread(new Runnable() |
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| 217 | { |
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| 218 | public void run() |
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| 219 | { |
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| 220 | StreamHost streamHost=null; |
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| 221 | for(Iterator i= streamHosts.iterator();i.hasNext();) |
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| 222 | { |
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| 223 | StreamHost s = (StreamHost)i.next(); |
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| 224 | if(streamHostID.equals(s.getJID())) |
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| 225 | { |
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| 226 | streamHost =s; |
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| 227 | break; |
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| 228 | } |
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| 229 | } |
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| 230 | //if(streamHost==null) sendError(); |
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| 231 | |
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| 232 | |
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| 233 | try{ |
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| 234 | //TODO stringprep |
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| 235 | |
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| 236 | String digest =Plugin.sha(sid,backend.getMyJID(),targetJID); |
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| 237 | |
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| 238 | |
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| 239 | final SocksSocket s = new SocksSocket(new Socks5Proxy(streamHost.getHost(),streamHost.getPort()),digest,0); |
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| 240 | // TODO get sid? |
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| 241 | final StreamHost chosenStreamHost = streamHost; |
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| 242 | backend.send(new InfoQuery(streamHostID,"set",backend.getIdentifier(), |
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| 243 | new Socks5Extension(sid,targetJID)),new IQResultListener() |
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| 244 | { |
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| 245 | public void iqResult(InfoQuery iq) |
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| 246 | { |
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| 247 | if(iq.getType().equals("result"))sendFile(s); |
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| 248 | else if(iq.getType().equals("error")) |
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| 249 | {//try different streamhost and remove faulty one |
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| 250 | proxies.remove(chosenStreamHost); |
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| 251 | streamHosts.remove(chosenStreamHost); |
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| 252 | Popups.errorPopup("file could not be send, try again","File transfer"); |
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| 253 | cancel(); |
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| 254 | return; |
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| 255 | } |
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| 256 | } |
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| 257 | },0); |
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| 258 | } |
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| 259 | catch (IOException e2) |
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| 260 | { |
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| 261 | e2.printStackTrace(); |
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| 262 | proxies.remove(streamHost); |
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| 263 | streamHosts.remove(streamHost); |
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| 264 | //sendError(); |
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| 265 | Popups.errorPopup("file could not be downloaded","File transfer"); |
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| 266 | cancel(); |
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| 267 | return; |
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| 268 | } |
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| 269 | } |
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| 270 | }).start(); |
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| 271 | } |
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| 272 | |
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| 273 | private void sendFile(final SocksSocket s) |
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| 274 | { |
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| 275 | sendThread = new Thread(new Runnable() |
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| 276 | { |
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| 277 | public void run() |
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| 278 | { |
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| 279 | try |
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| 280 | { |
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| 281 | InputStream is = new FileInputStream(file.getAbsolutePath()); |
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| 282 | OutputStream out = s.getOutputStream(); |
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| 283 | //OutputStream out = (OutputStream) ps; |
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| 284 | byte[] buf = new byte[4096]; |
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| 285 | try |
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| 286 | { |
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| 287 | int n; |
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| 288 | while ((n = is.read(buf)) > 0) |
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| 289 | { |
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| 290 | out.write(buf, 0, n); |
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| 291 | out.flush(); |
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| 292 | bytes+=n; |
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| 293 | if (Thread.interrupted()) |
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| 294 | { |
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| 295 | is.close(); |
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| 296 | s.close(); |
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| 297 | return; |
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| 298 | } |
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| 299 | //if(ps.checkError()) throw new IOException("I/O Error"); |
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| 300 | } |
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| 301 | } finally |
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| 302 | { |
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| 303 | is.close(); |
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| 304 | s.close(); |
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| 305 | } |
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| 306 | window.done(); |
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| 307 | } catch (IOException e) |
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| 308 | { |
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| 309 | e.printStackTrace(); |
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| 310 | } |
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| 311 | } |
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| 312 | }); |
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| 313 | sendThread.setPriority(Thread.NORM_PRIORITY); |
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| 314 | sendThread.start(); |
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| 315 | } |
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| 316 | |
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| 317 | public void finished() |
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| 318 | { |
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| 319 | window.stop(); |
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| 320 | } |
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| 321 | |
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| 322 | public void addBytes(int bytes) |
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| 323 | { |
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| 324 | this.bytes+=bytes; |
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| 325 | } |
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| 326 | |
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| 327 | public long getBytes() |
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| 328 | { |
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| 329 | return bytes; |
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| 330 | } |
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| 331 | |
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| 332 | public void cancel() |
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| 333 | { |
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| 334 | if(proxyServer!=null)proxyServer.stop(); |
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| 335 | if(sendThread!=null)sendThread.interrupt(); |
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| 336 | } |
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| 337 | } |
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| 338 | |
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| 339 | /* |
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| 340 | * Overrides for emacs |
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| 341 | * Local variables: |
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| 342 | * tab-width: 4 |
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| 343 | * End: |
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| 344 | */ |
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