[3030] | 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.net.ServerSocket; |
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| 27 | import java.net.Socket; |
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| 28 | import java.util.Iterator; |
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| 29 | import java.util.LinkedList; |
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| 30 | import java.util.List; |
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| 31 | |
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| 32 | import nu.fw.jeti.events.IQResultListener; |
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| 33 | import nu.fw.jeti.events.StatusChangeListener; |
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| 34 | import nu.fw.jeti.jabber.Backend; |
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| 35 | import nu.fw.jeti.jabber.JID; |
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| 36 | import nu.fw.jeti.jabber.elements.IQExtension; |
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| 37 | import nu.fw.jeti.jabber.elements.InfoQuery; |
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| 38 | import nu.fw.jeti.plugins.filetransfer.Plugin; |
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| 39 | import nu.fw.jeti.plugins.filetransfer.SendFileProgress; |
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| 40 | import nu.fw.jeti.plugins.filetransfer.StreamSend; |
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| 41 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.ProxyServer; |
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| 42 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.ServerAuthenticatorNone; |
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| 43 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.Socks5Proxy; |
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| 44 | import nu.fw.jeti.plugins.filetransfer.socks5.jsocks.SocksSocket; |
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| 45 | import nu.fw.jeti.util.I18N; |
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| 46 | import nu.fw.jeti.util.Popups; |
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| 47 | import nu.fw.jeti.util.Preferences; |
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| 48 | |
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| 49 | |
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| 50 | |
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| 51 | //31-okt-2004 |
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| 52 | public class Socks5Send implements StreamSend |
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| 53 | { |
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| 54 | private Backend backend; |
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| 55 | private String sid; |
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| 56 | private static List proxies = new LinkedList(); |
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| 57 | private List streamHosts; |
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| 58 | private File file; |
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| 59 | private long bytes; |
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| 60 | private SendFileProgress window; |
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| 61 | private ProxyServer proxyServer; |
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| 62 | private Thread proxyServerThread; |
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| 63 | private Thread sendThread; |
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| 64 | private int port = 7777; |
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| 65 | |
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| 66 | public Socks5Send(File file,final Backend backend,SendFileProgress f,JID jid,String id) |
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| 67 | { |
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| 68 | window = f; |
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| 69 | sid = id; |
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| 70 | streamHosts = new LinkedList(); |
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| 71 | streamHosts.addAll(proxies); |
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| 72 | this.backend = backend; |
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| 73 | this.file = file; |
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| 74 | |
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| 75 | if( Preferences.getBoolean("filetransfer", "useLocalIP", true) ) |
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| 76 | { |
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| 77 | String ip = Plugin.getIP(); |
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| 78 | |
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| 79 | if ( ip != null ) |
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| 80 | { |
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| 81 | streamHosts.add(new StreamHost(backend.getMyJID(),ip, Preferences.getInteger("filetransfer","port",7777),null)); |
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| 82 | startSocksServer(file, backend, jid); |
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| 83 | } |
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| 84 | } |
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| 85 | |
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| 86 | backend.send(new InfoQuery(jid,"set",backend.getIdentifier(),new Socks5Extension(sid,streamHosts)), |
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| 87 | new IQResultListener() |
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| 88 | { |
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| 89 | public void iqResult(InfoQuery iq) |
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| 90 | { |
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| 91 | if(iq.getType().equals("result")) |
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| 92 | { |
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| 93 | IQExtension e = iq.getIQExtension(); |
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| 94 | if(e instanceof Socks5Extension) |
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| 95 | { |
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| 96 | JID streamHostJID = ((Socks5Extension)e).getStreamHostUsed(); |
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| 97 | if(streamHostJID!=null) |
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| 98 | { |
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| 99 | if(!streamHostJID.equals(backend.getMyJID())) |
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| 100 | { |
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| 101 | if(proxyServerThread!=null)proxyServerThread.interrupt(); |
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| 102 | doProxy(streamHostJID,iq.getFrom()); |
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| 103 | } |
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| 104 | } |
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| 105 | } |
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| 106 | } |
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| 107 | else |
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| 108 | { //TODO add refuse error |
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| 109 | Popups.messagePopup(I18N.gettext("filetransfer.Problem_during_file_transfer,_transfer_aborted"),I18N.gettext("filetransfer.File_Transfer")); |
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| 110 | } |
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| 111 | } |
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| 112 | },0); |
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| 113 | |
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| 114 | } |
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| 115 | |
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| 116 | public static void initProxies(final Backend backend) |
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| 117 | { |
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| 118 | backend.addListener(StatusChangeListener.class,new StatusChangeListener() |
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| 119 | { |
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| 120 | public void connectionChanged(boolean online) |
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| 121 | { |
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| 122 | String proxy = Preferences.getString("filetransfer", "proxy", null); |
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| 123 | |
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| 124 | if( proxy != null ) |
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| 125 | getProxyInfo(backend,new JID(proxy)); |
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| 126 | |
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| 127 | //getProxyInfo(backend,new JID("proxy.jabber.org")); |
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| 128 | //getProxyInfo(backend,new JID("proxy65.jabber.ccc.de")); |
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| 129 | //getProxyInfo(backend,new JID("proxy65.jabber.autocom.pl")); |
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| 130 | //getProxyInfo(backend,new JID("proxy.netlab.cz")); |
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| 131 | //getProxyInfo(backend,new JID("proxy.jabber.cd.chalmers.se")); |
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| 132 | //getProxyInfo(backend,new JID("proxy65.jaim.at")); |
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| 133 | } |
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| 134 | |
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| 135 | public void ownPresenceChanged(int show, String status) {} |
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| 136 | |
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| 137 | public void exit(){} |
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| 138 | }); |
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| 139 | } |
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| 140 | |
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| 141 | public static boolean isProxyAvailable() |
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| 142 | { |
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| 143 | System.out.println(proxies); |
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| 144 | System.out.println(!proxies.isEmpty()); |
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| 145 | return !proxies.isEmpty(); |
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| 146 | } |
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| 147 | |
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| 148 | private static void getProxyInfo(final Backend backend,JID jid) |
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| 149 | { |
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| 150 | backend.send(new InfoQuery(jid,"get",new Socks5Extension((JID)null,null)), new IQResultListener() |
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| 151 | { |
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| 152 | public void iqResult(InfoQuery iq) |
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| 153 | { |
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| 154 | Socks5Extension s = (Socks5Extension)iq.getIQExtension(); |
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| 155 | if(s!=null && s.hasStreamHosts()) |
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| 156 | { |
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| 157 | for(Iterator i= s.getStreamHosts();i.hasNext();) |
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| 158 | { |
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| 159 | StreamHost h = (StreamHost)i.next(); |
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| 160 | proxies.add(h); |
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| 161 | } |
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| 162 | } |
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| 163 | } |
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| 164 | }, 100); |
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| 165 | } |
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| 166 | |
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| 167 | private void startSocksServer(final File file,final Backend backend, final JID jid) |
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| 168 | { |
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| 169 | proxyServerThread = new Thread(new Runnable() |
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| 170 | { |
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| 171 | public void run() |
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| 172 | { |
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| 173 | // set socks5 server |
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| 174 | String digest =Plugin.sha(sid,backend.getMyJID(),jid); |
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| 175 | ServerSocket ss=null; |
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| 176 | try{ |
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| 177 | ss = new ServerSocket(port); |
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| 178 | // while(true){ |
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| 179 | Socket s = ss.accept(); |
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| 180 | System.out.println("Accepted from:"+s.getInetAddress().getHostName()+":" |
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| 181 | +s.getPort()); |
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| 182 | proxyServer = new ProxyServer(new ServerAuthenticatorNone(),s,file,digest,Socks5Send.this); |
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| 183 | //} |
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| 184 | }catch(IOException ioe){ |
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| 185 | ioe.printStackTrace(); |
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| 186 | } |
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| 187 | finally |
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| 188 | { |
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| 189 | try { |
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| 190 | if(ss!=null)ss.close(); |
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| 191 | } catch (IOException e) { |
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| 192 | // TODO Auto-generated catch block |
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| 193 | e.printStackTrace(); |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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| 197 | }); |
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| 198 | proxyServerThread.setPriority(Thread.NORM_PRIORITY); |
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| 199 | proxyServerThread.start(); |
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| 200 | } |
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| 201 | |
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| 202 | private void doProxy(final JID streamHostID,final JID targetJID) |
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| 203 | { |
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| 204 | new Thread(new Runnable() |
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| 205 | { |
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| 206 | public void run() |
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| 207 | { |
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| 208 | StreamHost streamHost=null; |
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| 209 | for(Iterator i= streamHosts.iterator();i.hasNext();) |
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| 210 | { |
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| 211 | StreamHost s = (StreamHost)i.next(); |
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| 212 | if(streamHostID.equals(s.getJID())) |
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| 213 | { |
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| 214 | streamHost =s; |
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| 215 | break; |
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| 216 | } |
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| 217 | } |
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| 218 | //if(streamHost==null) sendError(); |
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| 219 | |
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| 220 | |
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| 221 | try{ |
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| 222 | //TODO stringprep |
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| 223 | |
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| 224 | String digest =Plugin.sha(sid,backend.getMyJID(),targetJID); |
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| 225 | |
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| 226 | |
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| 227 | final SocksSocket s = new SocksSocket(new Socks5Proxy(streamHost.getHost(),streamHost.getPort()),digest,0); |
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| 228 | // TODO get sid? |
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| 229 | final StreamHost chosenStreamHost = streamHost; |
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| 230 | backend.send(new InfoQuery(streamHostID,"set",backend.getIdentifier(), |
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| 231 | new Socks5Extension(sid,targetJID)),new IQResultListener() |
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| 232 | { |
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| 233 | public void iqResult(InfoQuery iq) |
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| 234 | { |
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| 235 | if(iq.getType().equals("result"))sendFile(s); |
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| 236 | else if(iq.getType().equals("error")) |
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| 237 | {//try different streamhost and remove faulty one |
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| 238 | proxies.remove(chosenStreamHost); |
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| 239 | streamHosts.remove(chosenStreamHost); |
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| 240 | Popups.errorPopup("file could not be send, try again","File transfer"); |
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| 241 | cancel(); |
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| 242 | return; |
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| 243 | } |
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| 244 | } |
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| 245 | },0); |
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| 246 | } |
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| 247 | catch (IOException e2) |
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| 248 | { |
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| 249 | e2.printStackTrace(); |
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| 250 | proxies.remove(streamHost); |
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| 251 | streamHosts.remove(streamHost); |
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| 252 | //sendError(); |
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| 253 | Popups.errorPopup("file could not be downloaded","File transfer"); |
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| 254 | cancel(); |
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| 255 | return; |
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| 256 | } |
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| 257 | } |
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| 258 | }).start(); |
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| 259 | } |
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| 260 | |
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| 261 | private void sendFile(final SocksSocket s) |
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| 262 | { |
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| 263 | sendThread = new Thread(new Runnable() |
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| 264 | { |
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| 265 | public void run() |
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| 266 | { |
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| 267 | try |
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| 268 | { |
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| 269 | InputStream is = new FileInputStream(file.getAbsolutePath()); |
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| 270 | OutputStream out = s.getOutputStream(); |
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| 271 | //OutputStream out = (OutputStream) ps; |
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| 272 | byte[] buf = new byte[4096]; |
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| 273 | try |
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| 274 | { |
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| 275 | int n; |
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| 276 | while ((n = is.read(buf)) > 0) |
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| 277 | { |
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| 278 | out.write(buf, 0, n); |
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| 279 | out.flush(); |
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| 280 | bytes+=n; |
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| 281 | if (Thread.interrupted()) |
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| 282 | { |
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| 283 | is.close(); |
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| 284 | s.close(); |
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| 285 | return; |
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| 286 | } |
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| 287 | //if(ps.checkError()) throw new IOException("I/O Error"); |
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| 288 | } |
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| 289 | } finally |
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| 290 | { |
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| 291 | is.close(); |
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| 292 | s.close(); |
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| 293 | } |
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| 294 | window.done(); |
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| 295 | } catch (IOException e) |
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| 296 | { |
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| 297 | e.printStackTrace(); |
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| 298 | } |
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| 299 | } |
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| 300 | }); |
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| 301 | sendThread.setPriority(Thread.NORM_PRIORITY); |
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| 302 | sendThread.start(); |
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| 303 | } |
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| 304 | |
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| 305 | public void finished() |
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| 306 | { |
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| 307 | window.stop(); |
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| 308 | } |
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| 309 | |
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| 310 | public void addBytes(int bytes) |
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| 311 | { |
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| 312 | this.bytes+=bytes; |
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| 313 | } |
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| 314 | |
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| 315 | public long getBytes() |
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| 316 | { |
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| 317 | return bytes; |
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| 318 | } |
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| 319 | |
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| 320 | public void cancel() |
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| 321 | { |
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| 322 | if(proxyServer!=null)proxyServer.stop(); |
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| 323 | if(sendThread!=null)sendThread.interrupt(); |
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| 324 | } |
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| 325 | } |
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| 326 | |
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| 327 | /* |
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| 328 | * Overrides for emacs |
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| 329 | * Local variables: |
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| 330 | * tab-width: 4 |
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| 331 | * End: |
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| 332 | */ |
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