mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
01e0669264
and replaced old fist hash computation by new method that tries to find a gap in the current dht to do this, it is necessary that the network bootstraping is done before the own hash is computed this made further redesigns in peer initialization order necessary git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4117 6c8d7289-2bf4-0310-a012-ef5d649a1542
258 lines
10 KiB
Java
258 lines
10 KiB
Java
// message.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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// You must compile this file with
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// javac -classpath .:../../classes message.java
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// if the shell's current path is HTROOT/yacy
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.UnsupportedEncodingException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import de.anomic.data.messageBoard;
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverFileUtils;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.server.logging.serverLog;
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import de.anomic.tools.crypt;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacyNetwork;
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import de.anomic.yacy.yacySeed;
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public final class message {
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private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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public static String dateString(Date date) {
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return SimpleFormatter.format(date);
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}
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
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if (post == null || env == null) { return null; }
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// return variable that accumulates replacements
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plasmaSwitchboard sb = (plasmaSwitchboard) env;
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serverObjects prop = new serverObjects();
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if ((post == null) || (env == null)) return prop;
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if (!yacyNetwork.authentifyRequest(post, env)) return prop;
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String process = post.get("process", "permission");
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String key = post.get("key", "");
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int messagesize = 10240;
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int attachmentsize = 0;
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prop.putASIS("messagesize", "0");
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prop.putASIS("attachmentsize", "0");
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String youare = post.get("youare", ""); // seed hash of the target peer, needed for network stability
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// check if we are the right target and requester has correct information about this peer
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if ((yacyCore.seedDB.mySeed() == null) || (!(yacyCore.seedDB.mySeed().hash.equals(youare)))) {
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// this request has a wrong target
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prop.putASIS("response", "-1"); // request rejected
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return prop;
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}
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if ((sb.isRobinsonMode()) &&
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(!((sb.isPublicRobinson()) ||
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(sb.isInMyCluster((String)header.get(httpHeader.CONNECTION_PROP_CLIENTIP)))))) {
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// if we are a robinson cluster, answer only if this client is known by our network definition
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prop.putASIS("response", "-1"); // request rejected
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return prop;
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}
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prop.putASIS("messagesize", Integer.toString(messagesize));
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prop.putASIS("attachmentsize", Integer.toString(attachmentsize));
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if (process.equals("permission")) {
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// permission: respond with acceptable message and attachment size
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// String iam = (String) post.get("iam", ""); // seed hash of requester
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prop.putASIS("response", "Welcome to my peer!");
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// that's it!
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}
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if (process.equals("post")) {
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// post: post message to message board
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String otherSeedString = post.get("myseed", "");
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if (otherSeedString.length() == 0) {
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prop.putASIS("response", "-1"); // request rejected
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return prop;
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}
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//Date remoteTime = yacyCore.parseUniversalDate((String) post.get(yacySeed.MYTIME)); // read remote time
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yacySeed otherSeed = yacySeed.genRemoteSeed(otherSeedString, key, true);
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String subject = crypt.simpleDecode(post.get("subject", ""), key); // message's subject
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String message = crypt.simpleDecode(post.get("message", ""), key); // message body
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if (subject == null || message == null) {
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prop.putASIS("response", "-1"); // don't accept empty messages
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return prop;
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}
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message = message.trim();
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subject = subject.trim();
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if (subject.length() == 0 || message.length() == 0) {
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prop.putASIS("response", "-1"); // don't accept empty messages
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return prop;
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}
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prop.putASIS("response", "Thank you!");
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// save message
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messageBoard.entry msgEntry = null;
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byte[] mb;
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try {
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mb = message.getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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mb = message.getBytes();
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}
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sb.messageDB.write(msgEntry = sb.messageDB.newEntry(
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"remote",
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otherSeed.get(yacySeed.NAME, "anonymous"), otherSeed.hash,
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yacyCore.seedDB.mySeed().getName(), yacyCore.seedDB.mySeed().hash,
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subject, mb));
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messageForwardingViaEmail(env, msgEntry);
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// finally write notification
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File notifierSource = new File(sb.getRootPath(), sb.getConfig("htRootPath","htroot") + "/env/grafics/message.gif");
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File notifierDest = new File(sb.getConfig("htDocsPath", "DATA/HTDOCS"), "notifier.gif");
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try {
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serverFileUtils.copy(notifierSource, notifierDest);
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} catch (IOException e) {
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serverLog.logSevere("MESSAGE", "NEW MESSAGE ARRIVED! (error: " + e.getMessage() + ")");
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}
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}
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// System.out.println("respond = " + prop.toString());
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// return rewrite properties
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return prop;
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}
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/*
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* To: #[to]#
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From: #[from]#
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Subject: #[subject]#
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Date: #[date]#
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#[message]#
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*/
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private static void messageForwardingViaEmail(serverSwitch env, messageBoard.entry msgEntry) {
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try {
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if (!Boolean.valueOf(env.getConfig("msgForwardingEnabled","false")).booleanValue()) return;
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// getting the recipient address
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String sendMailTo = env.getConfig("msgForwardingTo","root@localhost").trim();
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// getting the sendmail configuration
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String sendMailStr = env.getConfig("msgForwardingCmd","/usr/bin/sendmail")+" "+sendMailTo;
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String[] sendMail = sendMailStr.trim().split(" ");
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// building the message text
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StringBuffer emailTxt = new StringBuffer();
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emailTxt.append("To: ")
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.append(sendMailTo)
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.append("\nFrom: ")
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.append("yacy@")
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.append(yacyCore.seedDB.mySeed().getName())
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.append("\nSubject: [YaCy] ")
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.append(msgEntry.subject().replace('\n', ' '))
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.append("\nDate: ")
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.append(msgEntry.date())
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.append("\n")
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.append("\nMessage from: ")
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.append(msgEntry.author())
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.append("/")
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.append(msgEntry.authorHash())
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.append("\nMessage to: ")
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.append(msgEntry.recipient())
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.append("/")
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.append(msgEntry.recipientHash())
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.append("\nCategory: ")
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.append(msgEntry.category())
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.append("\n===================================================================\n")
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.append(new String(msgEntry.message()));
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Process process=Runtime.getRuntime().exec(sendMail);
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PrintWriter email = new PrintWriter(process.getOutputStream());
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email.print(new String(emailTxt));
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email.close();
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} catch (Exception e) {
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yacyCore.log.logWarning("message: message forwarding via email failed. ",e);
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}
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}
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/*
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on 83
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DEBUG: message post values = {youare=Ty2F86ekSWM5, key=pPQSZaXD, iam=WSjicAx1hRio, process=permission}
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von 93 wurde gesendet:
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DEBUG: PUT BODY=------------1090394265522
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Content-Disposition: form-data; name="youare"
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Ty2F86ekSWM5
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------------1090394265522
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Content-Disposition: form-data; name="key"
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pPQSZaXD
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------------1090394265522
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Content-Disposition: form-data; name="iam"
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WSjicAx1hRio
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------------1090394265522
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Content-Disposition: form-data; name="process"
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permission
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------------1090394265522
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on 93
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DEBUG: message post values = {youare=WSjicAx1hRio, key=YJZLwaNS, iam=Ty2F86ekSWM5, process=permission}
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*/
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}
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