//ConfigLanguage_p.java
//-----------------------
//part of YACY
//(C) by Michael Peter Christen; mc@yacy.net
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004
//This File is contributed by Alexander Schier
//
//$LastChangedDate$
//$LastChangedRevision$
//$LastChangedBy$
//
//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 Blacklist_p.java
//if the shell's current path is HTROOT
import com.google.common.io.Files;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.yacy.cora.document.id.DigestURL;
import net.yacy.cora.protocol.ClientIdentification;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.data.Translator;
import net.yacy.data.WorkTables;
import net.yacy.kelondro.util.FileUtils;
import net.yacy.search.Switchboard;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
import net.yacy.utils.translation.TranslatorXliff;
public class ConfigLanguage_p {
public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
final serverObjects prop = new serverObjects();
Switchboard sb = (Switchboard) env;
final File langPath = new File(sb.getAppPath("locale.source", "locales").getAbsolutePath());
//Fallback
//prop.put("currentlang", ""); //is done by Translationtemplate
prop.put("status", "0");//nothing
List<String> langFiles = Translator.langFiles(langPath);
if (langFiles == null) {
return prop;
}
if (post != null) {
final String selectedLanguage = post.get("language");
// store this call as api call
((Switchboard) env).tables.recordAPICall(post, "ConfigLanguage_p.html", WorkTables.TABLE_API_TYPE_CONFIGURATION, "language settings: " + selectedLanguage);
//change language
if (post.containsKey("use_button") && selectedLanguage != null){
/* Only change language if filename is contained in list of filesnames
* read from the language directory. This is very important to prevent
* directory traversal attacks!
*/
if (langFiles.contains(selectedLanguage) || selectedLanguage.startsWith("default") || selectedLanguage.startsWith("browser")) {
new TranslatorXliff().changeLang(env, langPath, selectedLanguage);
}
//delete language file
} else if (post.containsKey("delete")) {
/* Only delete file if filename is contained in list of filesnames
* read from the language directory. This is very important to prevent
* directory traversal attacks!
*/
if (langFiles.contains(selectedLanguage)) {
final File langfile= new File(langPath, selectedLanguage);
FileUtils.deletedelete(langfile);
new TranslatorXliff().getScratchFile(langfile).delete();
}
//load language file from URL
} else if (post.containsKey("url")){
final String url = post.get("url");
Iterator<String> it;
try {
final DigestURL u = new DigestURL(url);
it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent, null, null));
try {
TranslatorXliff tx = new TranslatorXliff();
File langFile = tx.getScratchFile(new File(langPath, u.getFileName()));
final OutputStreamWriter bw = new OutputStreamWriter(new FileOutputStream(langFile), StandardCharsets.UTF_8.name());
while (it.hasNext()) {
bw.write(it.next() + "\n");
}
bw.close();
// convert downloaded xliff to internal lng file
final String ext = Files.getFileExtension(langFile.getName());
if (ext.equalsIgnoreCase("xlf") || ext.equalsIgnoreCase("xliff")) {
Map<String,Map<String,String>> lng = tx.loadTranslationsListsFromXliff(langFile);
langFile = new File(langPath, Files.getNameWithoutExtension(langFile.getName())+".lng");
tx.saveAsLngFile(null, langFile, lng);
}
if (post.containsKey("use_lang") && "on".equals(post.get("use_lang"))) {
tx.changeLang(env, langPath, langFile.getName());
}
} catch (final IOException e) {
prop.put("status", "2");//error saving the language file
}
} catch(final IOException e) {
prop.put("status", "1");//unable to get url
prop.put("status_url", url);
}
}
}
//re-read language files
langFiles = Translator.langFiles(langPath);
Collections.sort(langFiles);
final Map<String, String> langNames = Translator.langMap(env);
//virtual entry (without a language file, but needed in choice list)
final String sellang = env.getConfig("locale.language", "default");
prop.put("langlist_0_file", "browser");
prop.put("langlist_0_name", ((langNames.get("browser") == null) ? "browser" : langNames.get("browser")));
prop.put("langlist_0_selected", sellang.equals("browser") ? "selected=\"selected\"":" ");
prop.put("langlist_1_file", "default");
prop.put("langlist_1_name", ((langNames.get("default") == null) ? "default" : langNames.get("default")));
prop.put("langlist_1_selected", sellang.equals("default") ? "selected=\"selected\"":" ");
int count = 2; //+2 because of the virtual entry "browser" and "default" at top
for (final String langFile : langFiles) {
final String langKey = langFile.substring(0, langFile.length() -4);
final String langName = langNames.get(langKey);
prop.put("langlist_" + (count) + "_file", langFile);
prop.put("langlist_" + (count) + "_name", ((langName == null) ? langKey : langName));
if(sellang.equals(langKey)) {
prop.put("langlist_" + (count) + "_selected", "selected=\"selected\"");
} else {
prop.put("langlist_" + (count) + "_selected", " ");
}
count++;
}
prop.put("langlist", (count));
//is done by Translationtemplate
//langName = (String) langNames.get(env.getConfig("locale.language", "default"));
//prop.put("currentlang", ((langName == null) ? "default" : langName));
return prop;
}
}