yacy_search_server/htroot/MessageSend_p.java

// MessageSend_p.java 
// -----------------------
// part of the AnomicHTTPD caching proxy
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// Last major change: 28.06.2003
//
// 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; either version 2 of the License, or
// (at your option) any later version.
//
// 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
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.


// You must compile this file with
// javac -classpath .:../Classes MessageSend_p.java
// if the shell's current path is HTROOT

import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;

import de.anomic.http.httpHeader;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyClient;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySeed;

public class MessageSend_p {

    private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
    public static String dateString(Date date) {
	return SimpleFormatter.format(date);
    }


    public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
	serverObjects prop = new serverObjects();

	//String body = "";
	if ((post == null) || (post.get("hash","").length() == 0)) {
        prop.put("mode",2);
	    // prop.put("body", "<p>You cannot call this page directly. Instead, use a link on the <a href=\"Network.html\">Network</a> page.</p>");
	    return prop;
	}
	
	String hash    = post.get("hash", "");
	String subject = post.get("subject", "");
	String message = post.get("message", "");
            
	if (message.length() == 0) {
        prop.put("mode", 0);
        
	    // open an editor page for the message
	    // first ask if the other peer is online, and also what kind of document it accepts
	    HashMap result = yacyClient.permissionMessage(hash);
	    //System.out.println("DEBUG: permission request result = " + result.toString());
	    String peerName;
	    yacySeed targetPeer = null;
	    if (hash.equals(yacyCore.seedDB.mySeed.hash)) {
	        peerName = yacyCore.seedDB.mySeed.get(yacySeed.NAME,"nameless");
	    } else {
	        targetPeer = yacyCore.seedDB.getConnected(hash);
	        if (targetPeer == null)
	            peerName = "nameless";
	        else
	            peerName = targetPeer.get(yacySeed.NAME,"nameless");
	    }
        
        prop.put("mode_permission_peerName", peerName);
	    String response = (result == null) ? "-1" : (String) result.get("response");
	    if ((response == null) || (response.equals("-1"))) {
            prop.put("mode_permission",0);            
            
	        // we don't have permission or other peer does not exist
	        //body += "<p>You cannot send a message to '" + peerName + "'. The peer does not respond. It was now removed from the peer-list.</p>";
	        if (targetPeer != null) {
	            yacyCore.peerActions.peerDeparture(targetPeer);
	        }
	    } else {
            prop.put("mode_permission",1);
            
            // write input form
            try {
                int messagesize = Integer.parseInt((String) result.get("messagesize"));
                int attachmentsize = Integer.parseInt((String) result.get("attachmentsize"));
                
                prop.put("mode_permission_response", response);
                prop.put("mode_permission_messagesize", messagesize);
                prop.put("mode_permission_attachmentsize", attachmentsize);
                prop.put("mode_permission_subject", subject);
                prop.put("mode_permission_message", message);
                prop.put("mode_permission_hash", hash);
                
//                body += "<p>The peer '" + peerName + "' is alive and responded:<br>";
//                body += "'" + response + " You are allowed to send me a message &le; " + messagesize + " kb and an attachment &le; " + attachmentsize + ".'</p>";
//                body += "<form action=\"MessageSend_p.html\" method=\"post\" enctype=\"multipart/form-data\" accept-charset=\"UTF-8\"><br><br>";
//                body += "<p><h3>Your Message</h3></p>";
//                body += "<p>Subject:<br><input name=\"subject\" type=\"text\" size=\"80\" maxlength=\"80\" value=\"" + subject + "\"></p>";
//                body += "<p>Text:<br><textarea name=\"message\" cols=\"80\" rows=\"8\"></textarea></p>";
//                body += "<input type=\"hidden\" name=\"hash\" value=\"" + hash + "\">";
//                body += "<input type=\"hidden\" name=\"messagesize\" value=\"" + messagesize + "\">";
//                body += "<input type=\"hidden\" name=\"attachmentsize\" value=\"" + attachmentsize + "\">";
//                body += "<input name=\"new\" type=\"submit\" value=\"Enter\"></form>";
            } catch (NumberFormatException e) {
                // "unresolved pattern", the remote peer is alive but had an exception
                //body += "<p>The peer '" + peerName + "' is alive but cannot respond. Sorry..</p>";
                prop.put("mode_permission",2);
            }
	    }
	} else {
	    prop.put("mode", 1);
	    // send written message to peer
	    try {
            prop.put("mode_status", 0);
	        int messagesize = Integer.parseInt(post.get("messagesize", "0"));
	        //int attachmentsize = Integer.parseInt(post.get("attachmentsize", "0"));
	        
	        if (messagesize < 1000) messagesize = 1000; // debug
	        if (subject.length() > 100) subject = subject.substring(0, 100);
	        if (message.length() > messagesize) message = message.substring(0, messagesize);
	        byte[] mb;
	        try {
	            mb = message.getBytes("UTF-8");
	        } catch (UnsupportedEncodingException e) {
	            mb = message.getBytes();
	        }
	        HashMap result = yacyClient.postMessage(hash, subject, mb);
            
            prop.put("mode_status_response", result.get("response"));
//	        body += "<p>Your message has been sent. The target peer responded:</p>";
//	        body += "<p><i>" + result.get("response") + "</i></p>";
	    } catch (NumberFormatException e) {
            prop.put("mode_status", 1);
	        // "unresolved pattern", the remote peer is alive but had an exception
            prop.put("mode_status_message", message);
//	        body += "<p>The target peer is alive but did not receive your message. Sorry..</p>";
//	        body += "<p>Here is a copy of your message, so you can copy it to save it for further attempts:<br>";
//	        body += message;
//	        body += "</p>";
	    }
	}

	// return rewrite properties
	//prop.put("body", body);
	return prop;
    }

}