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143 lines
6.3 KiB
143 lines
6.3 KiB
// list.java
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// -----------------------
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// part of YaCy
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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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// This File is contributed by Alexander Schier
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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 list.java
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// if the shell's current path is HTROOT
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// contains contributions by [FB] to support listing URLs for URL Fetcher
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import java.io.File;
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import de.anomic.data.URLFetcherStack;
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import de.anomic.data.listManager;
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import de.anomic.data.wikiCode;
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import de.anomic.http.httpHeader;
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import de.anomic.net.URL;
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import de.anomic.server.serverCore;
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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.yacy.yacyCore;
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import de.anomic.yacy.yacySeed;
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public final class list {
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch ss) {
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if (post == null || ss == null)
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throw new NullPointerException("post: " + post + ", sb: " + ss);
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// return variable that accumulates replacements
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final serverObjects prop = new serverObjects();
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final String col = post.get("col", "");
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final File listsPath = new File(ss.getRootPath(),ss.getConfig("listsPath", "DATA/LISTS"));
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String otherPeerName = null;
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if (post.containsKey("iam")) {
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yacySeed bla = yacyCore.seedDB.get(post.get("iam", ""));
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if (bla != null) otherPeerName = bla.getName();
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}
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if (otherPeerName == null) otherPeerName = (String)header.get(httpHeader.CONNECTION_PROP_CLIENTIP);
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if (col.equals("black")) {
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final StringBuffer out = new StringBuffer();
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final String filenames=ss.getConfig("BlackLists.Shared", "");
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final String[] filenamesarray = filenames.split(",");
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if(filenamesarray.length > 0){
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for(int i = 0;i < filenamesarray.length; i++){
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String filename = filenamesarray[i];
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File fileObj = new File(listsPath,filename);
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out.append(listManager.getListString(fileObj, false))
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.append(serverCore.crlfString);
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}
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} // if filenamesarray.length > 0
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prop.put("list",out);
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}
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// start contrib by [FB]
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else if (col.length() == 0 && post.get("list", "").equals("queueUrls")) {
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final URLFetcherStack db = CrawlURLFetchStack_p.getURLFetcherStack(ss);
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final String display = post.get("display", "list");
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if (display.equals("list")) {
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// list urls from remote crawler queue for other peers
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final int count = Math.min(post.getInt("count", 50), CrawlURLFetchStack_p.maxURLsPerFetch);
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if (count > 0 && db.size() > 0) {
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final StringBuffer sb = new StringBuffer();
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URL url;
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int cnt = 0;
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for (int i=0; i<count; i++) {
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if ((url = db.pop()) == null) continue;
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sb.append(wikiCode.deReplaceHTMLEntities(url.toNormalform())).append("\n");
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cnt++;
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}
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prop.put("list", sb);
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CrawlURLFetchStack_p.fetchMap.put(
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otherPeerName,
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new Integer(((CrawlURLFetchStack_p.fetchMap.get(otherPeerName) == null)
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? 0
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: ((Integer)CrawlURLFetchStack_p.fetchMap.get(otherPeerName)).intValue()) + cnt));
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serverLog.logInfo("URLFETCHER", "sent " + cnt + " URLs to " + otherPeerName);
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} else {
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prop.put("list", "");
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serverLog.logInfo("URLFETCHER", "couldn't satisfy URL request from " + otherPeerName + ": stack is empty");
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}
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} else if (display.equals("count")) {
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prop.put("list", db.size());
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}
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// end contrib by [FB]
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} else {
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prop.putASIS("list","");
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}
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return prop;
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}
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}
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