[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 eric@jeti.tk |
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| 21 | */ |
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| 22 | |
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| 23 | // Created on 8-sept-2004 |
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| 24 | package nu.fw.jeti.plugins.filetransfer.ibb; |
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| 25 | |
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| 26 | import java.util.HashMap; |
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| 27 | import java.util.Map; |
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| 28 | |
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| 29 | import nu.fw.jeti.backend.XExecutableExtension; |
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| 30 | import nu.fw.jeti.jabber.Backend; |
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| 31 | import nu.fw.jeti.jabber.elements.Extension; |
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| 32 | import nu.fw.jeti.jabber.elements.IQExtension; |
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| 33 | import nu.fw.jeti.jabber.elements.InfoQuery; |
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| 34 | import nu.fw.jeti.jabber.elements.Packet; |
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| 35 | import nu.fw.jeti.jabber.elements.XMPPError; |
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| 36 | import nu.fw.jeti.jabber.elements.XMPPErrorTag; |
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| 37 | import nu.fw.jeti.plugins.filetransfer.GetFileWindow; |
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| 38 | import nu.fw.jeti.plugins.filetransfer.Plugin; |
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| 39 | import nu.fw.jeti.util.Log; |
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| 40 | |
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| 41 | /** |
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| 42 | * @author E.S. de Boer |
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| 43 | * |
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| 44 | */ |
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| 45 | public class IBBExtension extends Extension implements IQExtension, XExecutableExtension |
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| 46 | { |
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| 47 | private boolean close; |
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| 48 | private boolean open; |
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| 49 | private String sid; |
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| 50 | private int sequence; |
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| 51 | private int blockSize=4096; |
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| 52 | //private byte[] data; |
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| 53 | private String base64data; |
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| 54 | private static Map fileWindows = new HashMap(10); |
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| 55 | |
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| 56 | public IBBExtension(String sid,int blockSize) |
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| 57 | { |
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| 58 | open=true; |
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| 59 | this.blockSize = blockSize; |
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| 60 | this.sid=sid; |
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| 61 | } |
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| 62 | |
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| 63 | public IBBExtension(String sid) |
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| 64 | { |
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| 65 | close=true; |
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| 66 | this.sid=sid; |
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| 67 | } |
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| 68 | |
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| 69 | |
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| 70 | public IBBExtension(String sid,int sequence, String data) |
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| 71 | { |
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| 72 | this.sid = sid; |
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| 73 | this.sequence = sequence; |
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| 74 | base64data = data; |
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| 75 | } |
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| 76 | |
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| 77 | public IBBExtension(boolean open,boolean close, String sid, int blockSize,int sequence, String data) |
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| 78 | { |
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| 79 | this.open=open; |
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| 80 | this.close = close; |
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| 81 | this.sid = sid; |
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| 82 | this.blockSize=blockSize; |
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| 83 | this.sequence = sequence; |
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| 84 | base64data = data; |
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| 85 | } |
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| 86 | |
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| 87 | public String getData() |
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| 88 | { |
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| 89 | return base64data; |
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| 90 | } |
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| 91 | |
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| 92 | public String getSid() |
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| 93 | { |
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| 94 | return sid; |
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| 95 | } |
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| 96 | |
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| 97 | public boolean isOpen() |
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| 98 | { |
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| 99 | return open; |
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| 100 | } |
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| 101 | |
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| 102 | public boolean isClose() |
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| 103 | { |
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| 104 | return close; |
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| 105 | } |
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| 106 | |
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| 107 | |
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| 108 | public void execute(Packet iq, Backend backend) |
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| 109 | { |
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| 110 | //System.out.println(getSid()); |
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| 111 | GetFileWindow w= (GetFileWindow)fileWindows.get(sid); |
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| 112 | if(w==null) |
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| 113 | { |
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| 114 | Log.xmlReceivedError("ibb stream from unknown"); |
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| 115 | } |
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| 116 | else |
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| 117 | { |
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| 118 | IBBReceive r= (IBBReceive)w.getStreamReceive(); |
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| 119 | r.addData(getData()); |
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| 120 | } |
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| 121 | } |
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| 122 | |
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| 123 | public void execute(InfoQuery iq, Backend backend) |
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| 124 | { |
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| 125 | if(iq.getType().equals("set")) |
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| 126 | { |
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| 127 | //Plugin.ibb(iq.getFrom(),this); |
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| 128 | |
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| 129 | if(isOpen()) |
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| 130 | { |
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| 131 | GetFileWindow w= Plugin.getGetFile(iq.getFrom(),getSid()); |
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| 132 | if(w!=null) |
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| 133 | {//file accepted by filetransfer protocol; |
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| 134 | //System.out.println(getSid()); |
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| 135 | w.startDownloading(new IBBReceive(iq.getFrom(),getSid(),backend,w)); |
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| 136 | fileWindows.put(getSid(),w); |
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| 137 | backend.send(new InfoQuery(iq.getFrom(),"result",iq.getID(),null)); |
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| 138 | Log.xmlReceivedError("ibb stream init from unknown"); |
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| 139 | } |
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| 140 | else |
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| 141 | { |
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| 142 | XMPPError e = new XMPPError("cancel",501); |
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| 143 | e.addError(new XMPPErrorTag("feature-not-implemented")); |
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| 144 | backend.send(new InfoQuery(iq.getFrom(),iq.getID(),e)); |
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| 145 | } |
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| 146 | } |
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| 147 | if(isClose()) |
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| 148 | { |
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| 149 | GetFileWindow w= (GetFileWindow) fileWindows.remove(sid); |
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| 150 | if(w!=null)((IBBReceive)w.getStreamReceive()).stopDownloading(); |
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| 151 | //System.out.println(" close " + sid); |
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| 152 | backend.send(new InfoQuery(iq.getFrom(),"result",iq.getID(),null)); |
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| 153 | } |
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| 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | public void appendToXML(StringBuffer xml) |
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| 158 | { |
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| 159 | if(open) |
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| 160 | { |
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| 161 | xml.append("<open xmlns= 'http://jabber.org/protocol/ibb'"); |
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| 162 | appendAttribute(xml,"sid",sid); |
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| 163 | appendAttribute(xml,"block-size",String.valueOf(blockSize)); |
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| 164 | xml.append("/>"); |
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| 165 | } |
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| 166 | else if (close) |
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| 167 | { |
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| 168 | xml.append("<close xmlns= 'http://jabber.org/protocol/ibb'"); |
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| 169 | appendAttribute(xml,"sid",sid); |
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| 170 | xml.append("/>"); |
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| 171 | } |
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| 172 | else |
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| 173 | { |
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| 174 | xml.append("<data xmlns= 'http://jabber.org/protocol/ibb'"); |
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| 175 | appendAttribute(xml,"sid",sid); |
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| 176 | appendAttribute(xml,"seq",String.valueOf(sequence)); |
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| 177 | xml.append(">"); |
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| 178 | //addData(data,xml); |
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| 179 | xml.append(base64data); |
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| 180 | xml.append("</data>"); |
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| 181 | //TODO change to AMP protocol instead of hardcoding |
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| 182 | xml.append("<amp xmlns='http://jabber.org/protocol/amp'>"); |
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| 183 | xml.append("<rule condition='deliver-at' value='stored' action='error'/>"); |
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| 184 | xml.append("<rule condition='match-resource' value='exact' action='error'/>"); |
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| 185 | xml.append("</amp>"); |
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| 186 | } |
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| 187 | } |
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| 188 | } |
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| 189 | /* |
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| 190 | * Overrides for emacs |
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| 191 | * Local variables: |
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| 192 | * tab-width: 4 |
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| 193 | * End: |
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| 194 | */ |
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