Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
Apache ZooKeeper Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/server/auth/SaslServerCallbackHandler.java
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.zookeeper.server.auth; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.security.auth.callback.Callback; import javax.security.auth.callback.CallbackHandler; import javax.security.auth.callback.NameCallback; import javax.security.auth.callback.PasswordCallback; import javax.security.auth.callback.UnsupportedCallbackException; import javax.security.auth.login.AppConfigurationEntry; import javax.security.auth.login.Configuration; import javax.security.sasl.AuthorizeCallback; import javax.security.sasl.RealmCallback; import org.apache.zookeeper.server.ZooKeeperSaslServer; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class SaslServerCallbackHandler implements CallbackHandler { private static final String USER_PREFIX = "user_"; private static final Logger LOG = LoggerFactory.getLogger(SaslServerCallbackHandler.class); private static final String SYSPROP_SUPER_PASSWORD = "zookeeper.SASLAuthenticationProvider.superPassword"; private static final String SYSPROP_REMOVE_HOST = "zookeeper.kerberos.removeHostFromPrincipal"; private static final String SYSPROP_REMOVE_REALM = "zookeeper.kerberos.removeRealmFromPrincipal"; private String userName; private final Map<String, String> credentials = new HashMap<String, String>(); public SaslServerCallbackHandler(Configuration configuration) throws IOException { String serverSection = System.getProperty( ZooKeeperSaslServer.LOGIN_CONTEXT_NAME_KEY, ZooKeeperSaslServer.DEFAULT_LOGIN_CONTEXT_NAME); AppConfigurationEntry[] configurationEntries = configuration.getAppConfigurationEntry(serverSection); if (configurationEntries == null) { String errorMessage = "Could not find a '" + serverSection + "' entry in this configuration: Server cannot start."; LOG.error(errorMessage); throw new IOException(errorMessage); } credentials.clear(); for (AppConfigurationEntry entry : configurationEntries) { Map<String, ?> options = entry.getOptions(); // Populate DIGEST-MD5 user -> password map with JAAS configuration entries from the "Server" section. // Usernames are distinguished from other options by prefixing the username with a "user_" prefix. for (Map.Entry<String, ?> pair : options.entrySet()) { String key = pair.getKey(); if (key.startsWith(USER_PREFIX)) { String userName = key.substring(USER_PREFIX.length()); credentials.put(userName, (String) pair.getValue()); } } } } public void handle(Callback[] callbacks) throws UnsupportedCallbackException { for (Callback callback : callbacks) { if (callback instanceof NameCallback) { handleNameCallback((NameCallback) callback); } else if (callback instanceof PasswordCallback) { handlePasswordCallback((PasswordCallback) callback); } else if (callback instanceof RealmCallback) { handleRealmCallback((RealmCallback) callback); } else if (callback instanceof AuthorizeCallback) { handleAuthorizeCallback((AuthorizeCallback) callback); } } } private void handleNameCallback(NameCallback nc) { // check to see if this user is in the user password database. if (credentials.get(nc.getDefaultName()) == null) { LOG.warn("User '{}' not found in list of DIGEST-MD5 authenticateable users.", nc.getDefaultName()); return; } nc.setName(nc.getDefaultName()); userName = nc.getDefaultName(); } private void handlePasswordCallback(PasswordCallback pc) { if ("super".equals(this.userName) && System.getProperty(SYSPROP_SUPER_PASSWORD) != null) { // superuser: use Java system property for password, if available. pc.setPassword(System.getProperty(SYSPROP_SUPER_PASSWORD).toCharArray()); } else if (credentials.containsKey(userName)) { pc.setPassword(credentials.get(userName).toCharArray()); } else { LOG.warn("No password found for user: {}", userName); } } private void handleRealmCallback(RealmCallback rc) { LOG.debug("client supplied realm: {}", rc.getDefaultText()); rc.setText(rc.getDefaultText()); } private void handleAuthorizeCallback(AuthorizeCallback ac) { String authenticationID = ac.getAuthenticationID(); String authorizationID = ac.getAuthorizationID(); LOG.info("Successfully authenticated client: authenticationID={}; authorizationID={}.", authenticationID, authorizationID); ac.setAuthorized(true); // canonicalize authorization id according to system properties: // zookeeper.kerberos.removeRealmFromPrincipal(={true,false}) // zookeeper.kerberos.removeHostFromPrincipal(={true,false}) KerberosName kerberosName = new KerberosName(authenticationID); try { StringBuilder userNameBuilder = new StringBuilder(kerberosName.getShortName()); if (shouldAppendHost(kerberosName)) { userNameBuilder.append("/").append(kerberosName.getHostName()); } if (shouldAppendRealm(kerberosName)) { userNameBuilder.append("@").append(kerberosName.getRealm()); } LOG.info("Setting authorizedID: {}", userNameBuilder); ac.setAuthorizedID(userNameBuilder.toString()); } catch (IOException e) { LOG.error("Failed to set name based on Kerberos authentication rules.", e); } } private boolean shouldAppendRealm(KerberosName kerberosName) { return !isSystemPropertyTrue(SYSPROP_REMOVE_REALM) && kerberosName.getRealm() != null; } private boolean shouldAppendHost(KerberosName kerberosName) { return !isSystemPropertyTrue(SYSPROP_REMOVE_HOST) && kerberosName.getHostName() != null; } private boolean isSystemPropertyTrue(String propertyName) { return "true".equals(System.getProperty(propertyName)); } }
⏎ org/apache/zookeeper/server/auth/SaslServerCallbackHandler.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 14550👍, 0💬
Popular Posts:
ANTLR is a powerful parser generator for multiple programming languages including Java. ANTLR contai...
How to download and install JDK (Java Development Kit) 5? If you want to write Java applications, yo...
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms, it was develo...
The Digester package lets you configure an XML -> Java object mapping module, which triggers certain...
How to download and install ojdbc14.jar for Oracle 10g R2? ojdbc14.jar for Oracle 10g R2 is a Java 1...