mirror of
https://github.com/yacy/yacy_search_server.git
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765943a4b7
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.
162 lines
6.6 KiB
Java
162 lines
6.6 KiB
Java
//ConfigLanguage_p.java
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//-----------------------
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//part of YACY
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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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//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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//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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//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 Blacklist_p.java
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//if the shell's current path is HTROOT
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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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.data.Translator;
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import net.yacy.data.WorkTables;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.search.Switchboard;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class ConfigLanguage_p {
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final serverObjects prop = new serverObjects();
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Switchboard sb = (Switchboard) env;
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final File langPath = new File(sb.getAppPath("locale.source", "locales").getAbsolutePath());
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//Fallback
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//prop.put("currentlang", ""); //is done by Translationtemplate
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prop.put("status", "0");//nothing
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List<String> langFiles = Translator.langFiles(langPath);
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if (langFiles == null) {
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return prop;
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}
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if (post != null) {
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final String selectedLanguage = post.get("language");
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// store this call as api call
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((Switchboard) env).tables.recordAPICall(post, "ConfigLanguage_p.html", WorkTables.TABLE_API_TYPE_CONFIGURATION, "language settings: " + selectedLanguage);
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//change language
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if (post.containsKey("use_button") && selectedLanguage != null){
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/* Only change language if filename is contained in list of filesnames
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* read from the language directory. This is very important to prevent
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* directory traversal attacks!
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*/
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if (langFiles.contains(selectedLanguage) || selectedLanguage.startsWith("default")) {
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Translator.changeLang(env, langPath, selectedLanguage);
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}
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//delete language file
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} else if (post.containsKey("delete")) {
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/* Only delete file if filename is contained in list of filesnames
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* read from the language directory. This is very important to prevent
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* directory traversal attacks!
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*/
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if (langFiles.contains(selectedLanguage)) {
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final File langfile= new File(langPath, selectedLanguage);
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FileUtils.deletedelete(langfile);
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}
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//load language file from URL
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} else if (post.containsKey("url")){
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final String url = post.get("url");
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Iterator<String> it;
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try {
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final DigestURI u = new DigestURI(url);
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it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent));
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} catch(final IOException e) {
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prop.put("status", "1");//unable to get url
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prop.put("status_url", url);
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return prop;
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}
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try {
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final File langFile = new File(langPath, url.substring(url.lastIndexOf('/'), url.length()));
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final BufferedWriter bw = new BufferedWriter(new PrintWriter(new FileWriter(langFile)));
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while (it.hasNext()) {
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bw.write(it.next() + "\n");
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}
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bw.close();
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} catch(final IOException e) {
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prop.put("status", "2");//error saving the language file
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return prop;
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}
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if (post.containsKey("use_lang") && "on".equals(post.get("use_lang"))) {
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Translator.changeLang(env, langPath, url.substring(url.lastIndexOf('/'), url.length()));
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}
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}
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}
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//re-read language files
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langFiles = Translator.langFiles(langPath);
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Collections.sort(langFiles);
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final Map<String, String> langNames = Translator.langMap(env);
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//virtual entry
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prop.put("langlist_0_file", "default");
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prop.put("langlist_0_name", ((langNames.get("default") == null) ? "default" : langNames.get("default")));
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prop.put("langlist_0_selected", "selected=\"selected\"");
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int count = 0;
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for (final String langFile : langFiles) {
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//+1 because of the virtual entry "default" at top
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final String langKey = langFile.substring(0, langFile.length() -4);
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final String langName = langNames.get(langKey);
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prop.put("langlist_" + (count + 1) + "_file", langFile);
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prop.put("langlist_" + (count + 1) + "_name", ((langName == null) ? langKey : langName));
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if(env.getConfig("locale.language", "default").equals(langKey)) {
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prop.put("langlist_" + (count + 1) + "_selected", "selected=\"selected\"");
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prop.put("langlist_0_selected", " "); // reset Default
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} else {
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prop.put("langlist_" + (count + 1) + "_selected", " ");
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}
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count++;
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}
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prop.put("langlist", (count + 1));
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//is done by Translationtemplate
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//langName = (String) langNames.get(env.getConfig("locale.language", "default"));
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//prop.put("currentlang", ((langName == null) ? "default" : langName));
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return prop;
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}
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}
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