// message.java // ----------------------- // part of the AnomicHTTPD caching proxy // (C) by Michael Peter Christen; mc@yacy.net // first published on http://www.anomic.de // Frankfurt, Germany, 2004 // // $LastChangedDate$ // $LastChangedRevision$ // $LastChangedBy$ // // 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 // You must compile this file with // javac -classpath .:../../classes message.java // if the shell's current path is HTROOT/yacy import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.net.InetAddress; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import net.yacy.cora.document.encoding.UTF8; import net.yacy.cora.protocol.Domains; import net.yacy.cora.protocol.HeaderFramework; import net.yacy.cora.protocol.RequestHeader; import net.yacy.cora.util.ConcurrentLog; import net.yacy.data.MessageBoard; import net.yacy.peers.Network; import net.yacy.peers.Protocol; import net.yacy.peers.Seed; import net.yacy.search.Switchboard; import net.yacy.server.serverObjects; import net.yacy.server.serverSwitch; import net.yacy.utils.crypt; import com.google.common.io.Files; public final class message { private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.US); public static String dateString(final Date date) { return SimpleFormatter.format(date); } public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) { if (post == null || env == null) { return null; } // return variable that accumulates replacements final Switchboard sb = (Switchboard) env; final serverObjects prop = new serverObjects(); if ((post == null) || (env == null)) return prop; if (!Protocol.authentifyRequest(post, env)) return prop; final String process = post.get("process", "permission"); final String clientip = header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP, ""); // read an artificial header addendum final InetAddress ias = Domains.dnsResolve(clientip); final int messagesize = 10240; final int attachmentsize = 0; prop.put("messagesize", "0"); prop.put("attachmentsize", "0"); final String youare = post.get("youare", ""); // seed hash of the target peer, needed for network stability // check if we are the right target and requester has correct information about this peer if ((sb.peers.mySeed() == null) || (!(sb.peers.mySeed().hash.equals(youare)))) { // this request has a wrong target prop.put("response", "-1"); // request rejected return prop; } if ((sb.isRobinsonMode()) && (!((sb.isPublicRobinson()) || (sb.isInMyCluster(header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP)))))) { // if we are a robinson cluster, answer only if this client is known by our network definition prop.put("response", "-1"); // request rejected return prop; } prop.put("messagesize", Integer.toString(messagesize)); prop.put("attachmentsize", Integer.toString(attachmentsize)); if (process.equals("permission")) { // permission: respond with acceptable message and attachment size // String iam = (String) post.get("iam", ""); // seed hash of requester prop.put("response", "Welcome to my peer!"); // that's it! } if (process.equals("post")) { // post: post message to message board final String otherSeedString = post.get("myseed", ""); if (otherSeedString.isEmpty()) { prop.put("response", "-1"); // request rejected return prop; } //Date remoteTime = yacyCore.parseUniversalDate((String) post.get(yacySeed.MYTIME)); // read remote time Seed otherSeed; try { otherSeed = Seed.genRemoteSeed(otherSeedString, false, ias.getHostAddress()); } catch (final IOException e) { prop.put("response", "-1"); // don't accept messages for bad seeds return prop; } String subject = crypt.simpleDecode(post.get("subject", "")); // message's subject String message = crypt.simpleDecode(post.get("message", "")); // message body if (subject == null || message == null) { prop.put("response", "-1"); // don't accept empty messages return prop; } message = message.trim(); subject = subject.trim(); if (subject.isEmpty() || message.isEmpty()) { prop.put("response", "-1"); // don't accept empty messages return prop; } prop.put("response", "Thank you!"); // save message MessageBoard.entry msgEntry = null; byte[] mb; mb = UTF8.getBytes(message); sb.messageDB.write(msgEntry = sb.messageDB.newEntry( "remote", otherSeed.get(Seed.NAME, "anonymous"), otherSeed.hash, sb.peers.mySeed().getName(), sb.peers.mySeed().hash, subject, mb)); messageForwardingViaEmail(sb, msgEntry); // finally write notification final File notifierSource = new File(sb.getAppPath(), sb.getConfig("htRootPath","htroot") + "/env/grafics/message.gif"); final File notifierDest = new File(sb.getDataPath("htDocsPath", "DATA/HTDOCS"), "notifier.gif"); try { Files.copy(notifierSource, notifierDest); } catch (final IOException e) { ConcurrentLog.severe("MESSAGE", "NEW MESSAGE ARRIVED! (error: " + e.getMessage() + ")"); } } // System.out.println("respond = " + prop.toString()); // return rewrite properties return prop; } /* * To: #[to]# From: #[from]# Subject: #[subject]# Date: #[date]# #[message]# */ private static void messageForwardingViaEmail(final Switchboard sb, final MessageBoard.entry msgEntry) { try { if (!sb.getConfigBool("msgForwardingEnabled", false)) return; // get the recipient address final String sendMailTo = sb.getConfig("msgForwardingTo","root@localhost").trim(); // get the sendmail configuration final String sendMailStr = sb.getConfig("msgForwardingCmd","/usr/bin/sendmail")+" "+sendMailTo; final String[] sendMail = sendMailStr.trim().split(" "); // building the message text final StringBuilder emailTxt = new StringBuilder(); emailTxt.append("To: ") .append(sendMailTo) .append("\nFrom: ") .append("yacy@") .append(sb.peers.mySeed().getName()) .append("\nSubject: [YaCy] ") .append(msgEntry.subject().replace('\n', ' ')) .append("\nDate: ") .append(msgEntry.date()) .append("\n") .append("\nMessage from: ") .append(msgEntry.author()) .append("/") .append(msgEntry.authorHash()) .append("\nMessage to: ") .append(msgEntry.recipient()) .append("/") .append(msgEntry.recipientHash()) .append("\nCategory: ") .append(msgEntry.category()) .append("\n===================================================================\n") .append(UTF8.String(msgEntry.message())); final Process process=Runtime.getRuntime().exec(sendMail); final PrintWriter email = new PrintWriter(process.getOutputStream()); email.print(emailTxt.toString()); email.close(); } catch (final Exception e) { Network.log.warn("message: message forwarding via email failed. ",e); } } /* on 83 DEBUG: message post values = {youare=Ty2F86ekSWM5, key=pPQSZaXD, iam=WSjicAx1hRio, process=permission} von 93 wurde gesendet: DEBUG: PUT BODY=------------1090394265522 Content-Disposition: form-data; name="youare" Ty2F86ekSWM5 ------------1090394265522 Content-Disposition: form-data; name="key" pPQSZaXD ------------1090394265522 Content-Disposition: form-data; name="iam" WSjicAx1hRio ------------1090394265522 Content-Disposition: form-data; name="process" permission ------------1090394265522 on 93 DEBUG: message post values = {youare=WSjicAx1hRio, key=YJZLwaNS, iam=Ty2F86ekSWM5, process=permission} */ }