Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.membership;
import java.net.MalformedURLException;
import java.net.UnknownServiceException;
import java.util.logging.Level;
import net.jxta.logging.Logging;
import java.util.logging.Logger;
import net.jxta.document.AdvertisementFactory;
import net.jxta.id.ID;
import net.jxta.id.IDFactory;
import net.jxta.platform.JxtaLoader;
import net.jxta.membership.Authenticator;
import net.jxta.platform.ModuleSpecID;
import net.jxta.protocol.ModuleImplAdvertisement;
import net.jxta.exception.JxtaError;
import net.jxta.impl.loader.RefJxtaLoader;
import net.jxta.impl.peergroup.StdPeerGroup;
/**
* The passwd membership service provides a Membership Service implementation
* which is based on a password scheme similar to the unix
* /etc/passwd system.
*
* @deprecated This service is intended only as a sample and should not be used
* for real membership applications. IT IS NOT SECURE. The implementation has
* also moved to {@link net.jxta.impl.membership.passwd.PasswdMembershipService}
*
* This implementation is intended mostly as an example of a
* simple Membership Service service and not as a practical secure
* Membership Service.
*
* @see net.jxta.membership.MembershipService
*
**/
@Deprecated
public class PasswdMembershipService {
/**
* Log4J Logger
**/
private static final Logger LOG = Logger.getLogger(PasswdMembershipService.class.getName());
/**
* Well known service specification identifier: password membership
*/
public static final ModuleSpecID passwordMembershipSpecID = net.jxta.impl.membership.passwd.PasswdMembershipService.passwordMembershipSpecID;
/**
* Register the "real" password membership service as soon as someone
* references this class.
**/
static {
JxtaLoader loader = net.jxta.impl.peergroup.GenericPeerGroup.getJxtaLoader();
ModuleImplAdvertisement implAdv = (ModuleImplAdvertisement) AdvertisementFactory.newAdvertisement(
ModuleImplAdvertisement.getAdvertisementType());
implAdv.setCode(net.jxta.impl.membership.passwd.PasswdMembershipService.class.getName());
implAdv.setCompat(StdPeerGroup.STD_COMPAT);
implAdv.setDescription("Password Membership Service");
implAdv.setModuleSpecID(passwordMembershipSpecID);
implAdv.setProvider(StdPeerGroup.MODULE_IMPL_STD_PROVIDER);
implAdv.setUri(StdPeerGroup.MODULE_IMPL_STD_URI);
loader.defineClass(implAdv);
}
public abstract static class PasswdAuthenticator implements Authenticator {
public abstract void setAuth1Identity(String who);
public abstract String getAuth1Identity();
public abstract void setAuth2_Password(String secret);
protected abstract String getAuth2_Password();
}
/**
* This is the method used to make the password strings. We only provide
* one way encoding since we can compare the encoded strings.
*
* FIXME [email protected] : switch to use the standard
* crypt(3) algorithm for encoding the passwords. The current algorithm has
* been breakable since ancient times, crypt(3) is also weak, but harder to
* break.
*
* @param source the string to encode
* @return String the encoded version of the password.
*
**/
public static String makePsswd(String source) {
/**
*
* A->D B->Q C->K D->W E->H F->R G->T H->E I->N J->O K->G L->X M->C
* N->V O->Y P->S Q->F R->J S->P T->I U->L V->Z W->A X->B Y->M Z->U
*
**/
final String xlateTable = "DQKWHRTENOGXCVYSFJPILZABMU";
StringBuilder work = new StringBuilder(source);
for (int eachChar = work.length() - 1; eachChar >= 0; eachChar--) {
char aChar = Character.toUpperCase(work.charAt(eachChar));
int replaceIdx = xlateTable.indexOf(aChar);
if (-1 != replaceIdx) {
work.setCharAt(eachChar, (char) ('A' + replaceIdx));
}
}
return work.toString();
}
}