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122 lines
4.9 KiB
122 lines
4.9 KiB
// indexDefaultReference.java
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// (C) 2005 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 11.07.2005 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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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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// LICENSE
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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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package de.anomic.index;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map.Entry;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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public class indexDefaultReferenceBlacklist extends indexAbstractReferenceBlacklist implements indexReferenceBlacklist {
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public indexDefaultReferenceBlacklist(final File rootPath) {
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super(rootPath);
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}
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public String getEngineInfo() {
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return "Default YaCy Blacklist Engine";
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}
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public boolean isListed(final String blacklistType, final String hostlow, String path) {
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if (hostlow == null) throw new NullPointerException();
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if (path == null) throw new NullPointerException();
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// getting the proper blacklist
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final HashMap<String, ArrayList<String>> blacklistMapMatched = super.getBlacklistMap(blacklistType,true);
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if (path.length() > 0 && path.charAt(0) == '/') path = path.substring(1);
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ArrayList<String> app;
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boolean matched = false;
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String pp = ""; // path-pattern
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// try to match complete domain
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if (!matched && (app = blacklistMapMatched.get(hostlow)) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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// first try to match the domain with wildcard '*'
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// [TL] While "." are found within the string
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int index = 0;
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while (!matched && (index = hostlow.indexOf('.', index + 1)) != -1) {
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if ((app = blacklistMapMatched.get(hostlow.substring(0, index + 1) + "*")) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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if ((app = blacklistMapMatched.get(hostlow.substring(0, index))) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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}
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index = hostlow.length();
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while (!matched && (index = hostlow.lastIndexOf('.', index - 1)) != -1) {
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if ((app = blacklistMapMatched.get("*" + hostlow.substring(index, hostlow.length()))) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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if ((app = blacklistMapMatched.get(hostlow.substring(index +1, hostlow.length()))) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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}
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// loop over all Regexentrys
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if(!matched) {
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final HashMap<String, ArrayList<String>> blacklistMapNotMatched = super.getBlacklistMap(blacklistType,false);
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String key;
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for(final Entry<String, ArrayList<String>> entry: blacklistMapNotMatched.entrySet()) {
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key = entry.getKey();
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try {
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if(Pattern.matches(key, hostlow)) {
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app = entry.getValue();
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for (int i=0; i<app.size(); i++) {
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if(Pattern.matches(app.get(i), path))
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return true;
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}
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}
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} catch (final PatternSyntaxException e) {
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//System.out.println(e.toString());
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}
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}
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}
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return matched;
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}
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}
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