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in intranets and the internet can now choose to appear as Googlebot. This is an essential necessity to be able to compete in the field of commercial search appliances, since most web pages are these days optimized only for Google and no other search platform any more. All commercial search engine providers have a built-in fake-Google User Agent to be able to get the same search index as Google can do. Without the resistance against obeying to robots.txt in this case, no competition is possible any more. YaCy will always obey the robots.txt when it is used for crawling the web in a peer-to-peer network, but to establish a Search Appliance (like a Google Search Appliance, GSA) it is necessary to be able to behave exactly like a Google crawler. With this change, you will be able to switch the user agent when portal or intranet mode is selected on per-crawl-start basis. Every crawl start can have a different user agent.
66 lines
2.7 KiB
Java
66 lines
2.7 KiB
Java
// latency_p.java
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// ------------
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// (C) 2009 by Michael Peter Christen; mc@yacy.net
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// first published 19.03.2009 on http://yacy.net
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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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import java.util.Date;
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import java.util.Iterator;
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import java.util.Map;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.protocol.ClientIdentification;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.crawler.data.Latency;
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import net.yacy.crawler.data.Latency.Host;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class latency_p {
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
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final serverObjects prop = new serverObjects();
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//final plasmaSwitchboard sb = (plasmaSwitchboard) env;
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final Iterator<Map.Entry<String, Host>> i = Latency.iterator();
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Map.Entry<String, Host> e;
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int c = 0;
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Latency.Host host;
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ClientIdentification.Agent agent = post == null ? ClientIdentification.yacyInternetCrawlerAgent : ClientIdentification.getAgent(post.get("agentName", ClientIdentification.yacyInternetCrawlerAgentName));
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while (i.hasNext()) {
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e = i.next();
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host = e.getValue();
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prop.putXML("domains_" + c + "_hosthash", e.getKey());
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prop.putXML("domains_" + c + "_host", host.host());
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prop.putXML("domains_" + c + "_lastaccess", GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date(host.lastacc())));
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prop.put("domains_" + c + "_count", host.count());
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prop.put("domains_" + c + "_average", host.average());
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prop.put("domains_" + c + "_robots", host.robotsDelay());
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prop.put("domains_" + c + "_flux", host.flux(agent.minimumDelta));
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c++;
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}
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prop.put("domains", c);
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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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