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Commit 0656c49

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Vitalii Cherkashyn
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ldap communication
1 parent 2ee4510 commit 0656c49

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‎ldap/connect/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.cherkashyn.vitalii.ldap</groupId>
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<artifactId>connect</artifactId>
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<packaging>jar</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>connect</name>
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<url>http://maven.apache.org</url>
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<dependencies>
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<dependency>
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<groupId>com.beust</groupId>
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<artifactId>jcommander</artifactId>
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<version>1.78</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-assembly-plugin</artifactId>
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<!-- version>2.5.4</version -->
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<configuration>
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<descriptorRefs>
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<descriptorRef>jar-with-dependencies</descriptorRef>
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</descriptorRefs>
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<archive>
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<!-- manifestFile>${project.basedir}/src/main/resources/META-INF/MANIFEST.MF</manifestFile -->
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<manifest>
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<mainClass>com.cherkashyn.vitalii.ldap.Connect</mainClass>
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</manifest>
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</archive>
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<!-- Remove the "-jar-with-dependencies" at the end of the file -->
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<appendAssemblyId>false</appendAssemblyId>
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</configuration>
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<executions>
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<execution>
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<goals>
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<goal>attached</goal>
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</goals>
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<phase>package</phase>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎ldap/connect/src/main/java/com/cherkashyn/vitalii/ldap/Arguments.java‎

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package com.cherkashyn.vitalii.ldap;
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import com.beust.jcommander.DynamicParameter;
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import com.beust.jcommander.Parameter;
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import java.util.HashMap;
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import java.util.Map;
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public class Arguments {
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@Parameter(names = {"--help"}, description = "list of arguments for ldap authentication", help = true)
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boolean isHelp;
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@Parameter(names = {"-u", "--url"}, description = "url to ldap", required = true)
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String url="ldaps://ubs000001.addp.com:636";
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@Parameter(names = {"-p", "--password"}, description = "password of user", required = true)
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String password="my_password";
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@DynamicParameter(names = {"-d"}, description = "parameters for ldap connection: -dkey=value ", required = true)
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Map<String, String> properties=new HashMap<String, String>();
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}

‎ldap/connect/src/main/java/com/cherkashyn/vitalii/ldap/Connect.java‎

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package com.cherkashyn.vitalii.ldap;
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import com.beust.jcommander.JCommander;
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import com.sun.jndi.ldap.LdapCtxFactory;
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import javax.naming.AuthenticationException;
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import javax.naming.AuthenticationNotSupportedException;
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import javax.naming.Context;
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import javax.naming.NamingException;
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import javax.naming.directory.DirContext;
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import javax.naming.directory.InitialDirContext;
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import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.List;
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import java.util.Map;
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import static com.cherkashyn.vitalii.ldap.Operations.printResults;
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public class Connect {
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public static void main(String[] args) {
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System.out.println("--- begin ---");
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Arguments arguments = new Arguments();
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JCommander.newBuilder()
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.addObject(arguments)
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.build()
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.parse(args);
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if (arguments.isHelp) {
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new JCommander(arguments, args).usage();
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System.exit(1);
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}
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connectToLdap(getContextEnvironment(arguments.url, arguments.password, arguments.properties), new Operations.SearchByName("VCherkashyn"));
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System.out.println("--- end ---");
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}
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private static void connectToLdap(Map<String, String> environment, Operations.Operation ... operations) {
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Hashtable<String, String> env = new Hashtable<String, String>();
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env.putAll(environment);
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DirContext context = null;
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try {
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context = new InitialDirContext(env);
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System.out.println("Connected... "+environment);
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if(operations.length>0){
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for(Operations.Operation eachOperation : operations){
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printResults(eachOperation.execute(context));
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}
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}
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} catch (AuthenticationNotSupportedException ex) {
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System.out.println("The authentication is not supported by the server:"+ex.getMessage());
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System.exit(2);
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} catch (AuthenticationException ex) {
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System.out.println("Incorrect password or username:"+ex.getMessage());
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System.exit(3);
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} catch (NamingException ex) {
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System.out.println("Error when trying to create the context:"+ex.getMessage());
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System.exit(4);
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}finally {
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try {
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context.close();
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} catch (NamingException e) {
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} catch (NullPointerException e){
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}
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}
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}
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private static Map<String, String> getContextEnvironment(String url, String userPassword, Map<String, String> properties) {
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final Map<String, String> env = new HashMap<String, String>();
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env.put(Context.INITIAL_CONTEXT_FACTORY, LdapCtxFactory.class.getName());
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env.put(Context.PROVIDER_URL, url);
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env.put(Context.SECURITY_PROTOCOL, "ssl");
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env.put(Context.SECURITY_AUTHENTICATION, "simple");
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env.put(Context.SECURITY_CREDENTIALS, userPassword);
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// env.put(Context.SECURITY_PRINCIPAL, "uid=admin,ou=system");
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env.putAll(properties);
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return env;
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}
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private static Map<String, String> convertToMap(List<String> elements) {
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Map<String, String> returnValue = new HashMap<String, String>();
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String key = null;
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for (int index = 0; index < elements.size(); index++) {
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if (key == null) {
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key = elements.get(index);
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} else {
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returnValue.put(key, elements.get(index));
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key = null;
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}
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}
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return returnValue;
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}
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}

‎ldap/connect/src/main/java/com/cherkashyn/vitalii/ldap/Operations.java‎

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package com.cherkashyn.vitalii.ldap;
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import javax.naming.NamingEnumeration;
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import javax.naming.NamingException;
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import javax.naming.directory.*;
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public class Operations {
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static interface Operation {
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NamingEnumeration<SearchResult> execute(DirContext context) throws NamingException;
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}
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static void printResults(NamingEnumeration<SearchResult> results) throws NamingException {
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while(results.hasMoreElements()){
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System.out.println("-----");
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SearchResult result = results.next();
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Attributes attrs = result.getAttributes();
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NamingEnumeration<? extends Attribute> attributes = attrs.getAll();
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while(attributes.hasMoreElements()){
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Attribute attribute = attributes.next();
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System.out.println(attribute.toString());
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System.out.println(attribute.get());
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}
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}
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}
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static class SearchByName implements Operation {
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private final String userName;
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SearchByName(String userName){
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this.userName = userName;
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}
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public NamingEnumeration<SearchResult> execute(DirContext context) throws NamingException {
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// Specify the search filter
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String filterExpression = "(&(objectClass=Person) ((sAMAccountName=" + userName + ")))";
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// limit returned attributes to those we care about
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String[] attrIDs = {"sn", "givenName"};
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SearchControls constraints = new SearchControls();
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constraints.setReturningAttributes(attrIDs);
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constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
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// Search for objects using filter and controls
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String contextName = "DC=org";
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return context.search(contextName, filterExpression, constraints);
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}
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}
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}
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// -------------------------------------
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// LDAP operations
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// -------------------------------------
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// Specify the search filter
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// String FILTER = "(&(objectClass=Person) ((sAMAccountName=" + user.getUsername() + ")))";
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//
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// // limit returned attributes to those we care about
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// String[] attrIDs = { "sn", "givenName" };
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//
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// SearchControls ctls = new SearchControls();
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//ctls.setReturningAttributes(attrIDs);
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//ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
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//
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// // Search for objects using filter and controls
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// NamingEnumeration answer = ctx.search(searchBase, FILTER, ctls);
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//
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//...
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//
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// SearchResult sr = (SearchResult) answer.next();
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// Attributes attrs = sr.getAttributes();
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// surName = attrs.get("sn").toString();
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// givenName = attrs.get("givenName").toString();
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// ------------------------------------

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