/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s):

 *

 * Portions Copyrighted 2010 Sun Microsystems, Inc.

 */

package org.netbeans.modules.keyring.kde;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.text.MessageFormat;

import java.util.MissingResourceException;

import java.util.logging.Level;

import java.util.logging.Logger;

import org.netbeans.spi.keyring.KeyringProvider;

import org.openide.util.NbBundle;

import org.openide.util.lookup.ServiceProvider;

/**

 *

 * @author psychollek

 */

@ServiceProvider(service=KeyringProvider.class, position=99)

public class KWalletProvider implements KeyringProvider{

    private static final Logger logger = Logger.getLogger(KWalletProvider.class.getName());

    private char[] handler = "0".toCharArray();

    @Override

    public boolean enabled(){

        if (Boolean.getBoolean("netbeans.keyring.no.native")) {

            logger.fine("native keyring integration disabled");

            return false;

        }

        if (new String(runCommand("isEnabled")).equals("true")){

            return updateHandler();

        }

        return false;

    };

    @Override

    public char[] read(String key){

        runCommand("close", runCommand("localWallet"), "true".toCharArray() );

        if (updateHandler()){

            char[] runCommand = runCommand("readPassword", handler, getApplicationName(), key.toCharArray(), getApplicationNameWithVersion());

            runCommand("close", runCommand("localWallet"), "true".toCharArray() );

            return runCommand;

        }

        throw new KwalletException("read");

    };

    @Override

    public void save(String key, char[] password, String description){

        //description is forgoten ! kdewallet dosen't have any facility to store

        //it by default and I don't want to do it by adding new fields to kwallet

        runCommand("close", runCommand("localWallet"), "true".toCharArray() );

        if (updateHandler()){

            if (new String(runCommand("writePassword", handler , getApplicationName()

                    , key.toCharArray(), password , getApplicationNameWithVersion())

                    ).equals("-1")){

                throw new KwalletException("save");

            }

            runCommand("close", runCommand("localWallet"), "true".toCharArray() );

            return;

        }

        throw new KwalletException("save");

    };

    @Override

    public void delete(String key){

        runCommand("close", runCommand("localWallet"), "true".toCharArray() );

        if (updateHandler()){

            if (new String(runCommand("removeEntry" ,handler,

            getApplicationName() , key.toCharArray() , getApplicationNameWithVersion()

            )).equals("-1")){

                throw new KwalletException("delete");

            }

            runCommand("close", runCommand("localWallet"), "true".toCharArray() );

            return;

        }

        throw new KwalletException("delete");

    };

    private boolean updateHandler(){

        handler = new String(handler).equals("")? "0".toCharArray() : handler;

        if(new String(runCommand("isOpen",handler)).equals("true")){

            return true;

        }

        char[] localWallet = runCommand("localWallet");

        handler = runCommand("open", localWallet , "0".toCharArray() , getApplicationNameWithVersion());

        if(!(new String(handler)).equals("-1")){

            return true;

        }

        return false;

    }

    private char[] runCommand(String command,char[]... commandArgs){

        String commandString = "qdbus org.kde.kwalletd /modules/kwalletd org.kde.KWallet."+command;

        String[] argv = new String[commandArgs.length+4];

        argv[0] = "qdbus";

        argv[1] = "org.kde.kwalletd";

        argv[2] = "/modules/kwalletd";

        argv[3] = "org.kde.KWallet."+command;

        for (int i = 0; i < commandArgs.length; i++) {

            //unfortunatelly I cannot pass char[] to the exec in any way - so this poses a security issue with passwords in String() !

            //TODO: find a way to avoid changing char[] into String

            argv[i+4] = new String(commandArgs[i]);

            char[] arg = commandArgs[i];

            String string = new String(arg);

            commandString = commandString+" "+string;

        }

        Runtime rt = Runtime.getRuntime();

        String retVal = "";

        try {

            Process pr = rt.exec(argv);

            BufferedReader input = new BufferedReader(new InputStreamReader(pr.getInputStream()));

            String line;

            while((line = input.readLine()) != null) {

                if (!retVal.equals("")){

                    retVal = retVal.concat("\n");

                }

                retVal = retVal.concat(line);

            }

            input.close();

            input = new BufferedReader(new InputStreamReader(pr.getErrorStream()));

            while((line = input.readLine()) != null) {

                if (!retVal.equals("")){

                    retVal = retVal.concat("\n");

                }

                retVal = retVal.concat(line);

            }

            input.close();

            int exitVal = pr.waitFor();

            if(exitVal!=0){

                logger.log(Level.SEVERE,"application exit with code "+exitVal+" for commandString: "+commandString);

            }

        } catch (InterruptedException ex) {

            logger.log(Level.SEVERE,

                    "exception thrown while invoking the command \""+commandString+"\"",

                    ex);

        } catch (IOException ex) {

            logger.log(Level.SEVERE,

                    "exception thrown while invoking the command \""+commandString+"\"",

                    ex);

        }

        return (!retVal.equals("")) ? retVal.trim().toCharArray() : null;

    }

    private char[] getApplicationName(){

        String appName;

        try {

            appName = MessageFormat.format(NbBundle.getBundle("org.netbeans.core.windows.view.ui.Bundle").getString("CTL_MainWindow_Title_No_Project"),"…");

        } catch (MissingResourceException x) {

            appName = "NetBeans"; 

        }

        return appName.toCharArray();

    }

    private char[] getApplicationNameWithVersion(){

        return (new String(getApplicationName())+" "+System.getProperty("netbeans.buildnumber")).toCharArray();

    }

    public class KwalletException extends RuntimeException{

        public KwalletException(String desc) {

            super("error while trying to access KWallet, during "+desc);

        }

    }

}

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s):

 *

 * Portions Copyrighted 2010 Sun Microsystems, Inc.

 */

package org.netbeans.modules.keyring.kde;

import org.netbeans.modules.keyring.KeyringProviderTestBase;

import org.netbeans.spi.keyring.KeyringProvider;

/**

 *

 * @author psychollek

 */

public class KWalletProviderTest extends KeyringProviderTestBase {

    public KWalletProviderTest(String n) {

        super(n);

    }

    @Override

    protected KeyringProvider createProvider() {

        return new KWalletProvider();

    }

}