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239 lines
9.4 KiB
239 lines
9.4 KiB
// 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@yacy.net
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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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// 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.httpRequestHeader;
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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(final Date date) {
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return SimpleFormatter.format(date);
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}
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public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final 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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final plasmaSwitchboard sb = (plasmaSwitchboard) env;
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final 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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final String process = post.get("process", "permission");
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final String key = post.get("key", "");
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final int messagesize = 10240;
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final int attachmentsize = 0;
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prop.put("messagesize", "0");
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prop.put("attachmentsize", "0");
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final 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 ((sb.webIndex.seedDB.mySeed() == null) || (!(sb.webIndex.seedDB.mySeed().hash.equals(youare)))) {
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// this request has a wrong target
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prop.put("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(header.get(httpRequestHeader.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.put("response", "-1"); // request rejected
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return prop;
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}
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prop.put("messagesize", Integer.toString(messagesize));
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prop.put("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.put("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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final String otherSeedString = post.get("myseed", "");
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if (otherSeedString.length() == 0) {
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prop.put("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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final yacySeed otherSeed = yacySeed.genRemoteSeed(otherSeedString, key, false);
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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.put("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.put("response", "-1"); // don't accept empty messages
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return prop;
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}
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prop.put("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 (final 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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sb.webIndex.seedDB.mySeed().getName(), sb.webIndex.seedDB.mySeed().hash,
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subject, mb));
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messageForwardingViaEmail(sb, msgEntry);
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// finally write notification
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final File notifierSource = new File(sb.getRootPath(), sb.getConfig("htRootPath","htroot") + "/env/grafics/message.gif");
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final File notifierDest = new File(sb.getConfigPath("htDocsPath", "DATA/HTDOCS"), "notifier.gif");
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try {
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serverFileUtils.copy(notifierSource, notifierDest);
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} catch (final 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(final plasmaSwitchboard sb, final messageBoard.entry msgEntry) {
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try {
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if (!Boolean.valueOf(sb.getConfig("msgForwardingEnabled","false")).booleanValue()) return;
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// getting the recipient address
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final String sendMailTo = sb.getConfig("msgForwardingTo","root@localhost").trim();
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// getting the sendmail configuration
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final String sendMailStr = sb.getConfig("msgForwardingCmd","/usr/bin/sendmail")+" "+sendMailTo;
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final String[] sendMail = sendMailStr.trim().split(" ");
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// building the message text
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final StringBuilder emailTxt = new StringBuilder();
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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(sb.webIndex.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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final Process process=Runtime.getRuntime().exec(sendMail);
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final 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 (final 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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