Java DirContext.close方法代码示例

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
public <T> T doInContext(DirContext ctx, InContext<T> inContext)
{
	try
	{
		return inContext.execute(ctx);
	}
	catch( NamingException ne )
	{
		throw new RuntimeException("LDAP Error", ne);
	}
	finally
	{
		try
		{
			ctx.close();
		}
		catch( NamingException e )
		{
			throw new RuntimeException(e);
		}
	}
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * Close any open connection to the directory server for this Realm.
 *
 * @param context The directory context to be closed
 */
protected void close(DirContext context) {

    // Do nothing if there is no opened connection
    if (context == null)
        return;

    // Close our opened connection
    try {
        if (containerLog.isDebugEnabled())
            containerLog.debug("Closing directory context");
        context.close();
    } catch (NamingException e) {
        containerLog.error(sm.getString("jndiRealm.close"), e);
    }
    this.context = null;

}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
public String uid2ext(String uid) {
    try {
        DirContext ctx = null;
        try {
            ctx = getDirContext();
            Attributes attributes = ctx.getAttributes(
            		ApplicationProperties.getProperty("tmtbl.authenticate.ldap.uid2ext").replaceAll("%", uid),
            		new String[] {
            			ApplicationProperties.getProperty("tmtbl.authenticate.ldap.externalId", "puid")
            		});
            if (attributes!=null) {
                Attribute puid = attributes.get(ApplicationProperties.getProperty("tmtbl.authenticate.ldap.externalId", "puid"));
                if (puid!=null) return (String)puid.get();
            }
        } finally {
            if (ctx!=null) ctx.close();
        }
    } catch (Exception e) {
        Debug.error("Unable to translate uid to ext, "+e.getMessage());
    }
    return null;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
public String ext2uid(String puid) {
    try {
        DirContext ctx = null;
        try {
            ctx = getDirContext();
            Attributes attributes = ctx.getAttributes(
            		ApplicationProperties.getProperty("tmtbl.authenticate.ldap.ext2uid").replaceAll("%", puid),
            		new String[] {
            			ApplicationProperties.getProperty("tmtbl.authenticate.ldap.login", "uid")
            		});
            if (attributes!=null) {
                Attribute uid = attributes.get(ApplicationProperties.getProperty("tmtbl.authenticate.ldap.login", "uid"));
                if (uid!=null) return (String)uid.get();
            }
        } finally {
            if (ctx!=null) ctx.close();
        }
    } catch (Exception e) {
        Debug.error("Unable to translate ext to uid, "+e.getMessage());
    }
    return null;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * Close any open connection to the directory server for this Realm.
 *
 * @param context The directory context to be closed
 */
protected void close(DirContext context) {

    // Do nothing if there is no opened connection
    if (context == null)
        return;

    // Close our opened connection
    try {
        if (debug >= 1)
            log("Closing directory context");
        context.close();
    } catch (NamingException e) {
        log(sm.getString("jndiRealm.close"), e);
    }
    this.context = null;

}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
public static Map<String, String> getUserAttributes(DirContext ctx, String searchBase, String userName,
    String principalDomain, String... attributeNames)
    throws NamingException {
  if (StringUtils.isBlank(userName)) {
    throw new IllegalArgumentException("Username and password can not be blank.");
  }

  if (attributeNames.length == 0) {
    return Collections.emptyMap();
  }

  Attributes matchAttr = new BasicAttributes(true);
  BasicAttribute basicAttr = new BasicAttribute("userPrincipalName", userName + principalDomain);
  matchAttr.put(basicAttr);

  NamingEnumeration<? extends SearchResult> searchResult = ctx.search(searchBase, matchAttr, attributeNames);

  if (ctx != null) {
    ctx.close();
  }

  Map<String, String> result = new HashMap<>();

  if (searchResult.hasMore()) {
    NamingEnumeration<? extends Attribute> attributes = searchResult.next().getAttributes().getAll();

    while (attributes.hasMore()) {
      Attribute attr = attributes.next();
      String attrId = attr.getID();
      String attrValue = (String) attr.get();

      result.put(attrId, attrValue);
    }
  }
  return result;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * Returns the hostname associated with the specified IP address by the
 * provided nameserver.
 *
 * Loopback addresses 
 * @param hostIp The address to reverse lookup
 * @param ns The host name of a reachable DNS server
 * @return The host name associated with the provided IP
 * @throws NamingException If a NamingException is encountered
 */
public static String reverseDns(InetAddress hostIp, @Nullable String ns)
  throws NamingException {
  //
  // Builds the reverse IP lookup form
  // This is formed by reversing the IP numbers and appending in-addr.arpa
  //
  String[] parts = hostIp.getHostAddress().split("\\.");
  String reverseIP = parts[3] + "." + parts[2] + "." + parts[1] + "."
    + parts[0] + ".in-addr.arpa";

  DirContext ictx = new InitialDirContext();
  Attributes attribute;
  try {
    attribute = ictx.getAttributes("dns://"               // Use "dns:///" if the default
                       + ((ns == null) ? "" : ns) +
                       // nameserver is to be used
                       "/" + reverseIP, new String[] { "PTR" });
  } finally {
    ictx.close();
  }

  String hostname = attribute.get("PTR").get().toString();
  int hostnameLength = hostname.length();
  if (hostname.charAt(hostnameLength - 1) == '.') {
    hostname = hostname.substring(0, hostnameLength - 1);
  }
  return hostname;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * Closes the given directory context.
 * 
 * @param The
 *            context to close.
 */
private void closeContext(DirContext ctx) {
    if (ctx != null) {
        try {
            ctx.close();
        } catch (Exception e) {
            logger.logError(
                    Log4jLogger.SYSTEM_LOG,
                    e,
                    LogMessageIdentifier.ERROR_CLOSE_DIRECTORY_CONTEXT_FAILED);
        }
    }
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * This method uses JNDI to look up an address in DNS and return its name
 * 
 * @param addr
 *
 * @return the host name associated with the address or null if lookup isn't possible or there is
 *         no host name for this address
 */
public static String reverseDNS(InetAddress addr) {
  byte[] addrBytes = addr.getAddress();
  // reverse the address suitable for reverse lookup
  String lookup = "";
  for (int index = addrBytes.length - 1; index >= 0; index--) {
    lookup = lookup + (addrBytes[index] & 0xff) + '.';
  }
  lookup += "in-addr.arpa";
  // System.out.println("Looking up: " + lookup);

  try {
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.dns.DnsContextFactory");
    DirContext ctx = new InitialDirContext(env);
    Attributes attrs = ctx.getAttributes(lookup, new String[] {"PTR"});
    for (NamingEnumeration ae = attrs.getAll(); ae.hasMoreElements();) {
      Attribute attr = (Attribute) ae.next();
      for (Enumeration vals = attr.getAll(); vals.hasMoreElements();) {
        Object elem = vals.nextElement();
        if ("PTR".equals(attr.getID()) && elem != null) {
          return elem.toString();
        }
      }
    }
    ctx.close();
  } catch (Exception e) {
    // ignored
  }
  return null;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * This method uses JNDI to look up an address in DNS and return its name
 * 
 * @return the host name associated with the address or null if lookup isn't possible or there is
 *         no host name for this address
 */
private static String reverseDNS(InetAddress addr) {
  byte[] addrBytes = addr.getAddress();
  // reverse the address suitable for reverse lookup

  StringBuilder sb = new StringBuilder();
  for (int index = addrBytes.length - 1; index >= 0; index--) {
    // lookup = lookup + (addrBytes[index] & 0xff) + '.';
    sb.append((addrBytes[index] & 0xff)).append('.');
  }
  sb.append("in-addr.arpa");
  String lookup = sb.toString();

  try {
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.dns.DnsContextFactory");
    DirContext ctx = new InitialDirContext(env);
    Attributes attrs = ctx.getAttributes(lookup, new String[] {"PTR"});
    for (NamingEnumeration ae = attrs.getAll(); ae.hasMoreElements();) {
      Attribute attr = (Attribute) ae.next();
      for (Enumeration vals = attr.getAll(); vals.hasMoreElements();) {
        Object elem = vals.nextElement();
        if ("PTR".equals(attr.getID()) && elem != null) {
          return elem.toString();
        }
      }
    }
    ctx.close();
  } catch (Exception e) {
    // ignored
  }
  return null;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
@Override
public Principal authenticate(final Properties credentials, final DistributedMember member) {
  final String userName = credentials.getProperty(UserPasswordAuthInit.USER_NAME);
  if (userName == null) {
    throw new AuthenticationFailedException("LdapUserAuthenticator: user name property ["
        + UserPasswordAuthInit.USER_NAME + "] not provided");
  }

  String password = credentials.getProperty(UserPasswordAuthInit.PASSWORD);
  if (password == null) {
    password = "";
  }

  final Properties env = new Properties();
  env.put(Context.INITIAL_CONTEXT_FACTORY, com.sun.jndi.ldap.LdapCtxFactory.class.getName());
  env.put(Context.PROVIDER_URL, this.ldapUrlScheme + this.ldapServer + '/' + this.baseDomainName);
  env.put(Context.SECURITY_PRINCIPAL, "uid=" + userName + "," + this.baseDomainName);
  env.put(Context.SECURITY_CREDENTIALS, password);

  try {
    final DirContext ctx = new InitialDirContext(env);
    ctx.close();
  } catch (Exception e) {
    throw new AuthenticationFailedException(
        "LdapUserAuthenticator: Failure with provided username, password combination for user name: "
            + userName,
        e);
  }

  return new UsernamePrincipal(userName);
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * Close any open connection to the directory server for this Realm.
 *
 * @param context The directory context to be closed
 */
private void closeHard(final DirContext context) {

  // Do nothing if there is no opened connection
  if (context == null) {
    return;
  }

  // Close our opened connection
  try {
    context.close();
  } catch (NamingException e) {
    log.error("Error while closing context", e);
  }
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
/**
 * Returns the hostname associated with the specified IP address by the
 * provided nameserver.
 *
 * Loopback addresses 
 * @param hostIp The address to reverse lookup
 * @param ns The host name of a reachable DNS server
 * @return The host name associated with the provided IP
 * @throws NamingException If a NamingException is encountered
 */
public static String reverseDns(InetAddress hostIp, String ns)
  throws NamingException {
  //
  // Builds the reverse IP lookup form
  // This is formed by reversing the IP numbers and appending in-addr.arpa
  //
  String[] parts = hostIp.getHostAddress().split("\\.");
  String reverseIP = parts[3] + "." + parts[2] + "." + parts[1] + "."
    + parts[0] + ".in-addr.arpa";

  DirContext ictx = new InitialDirContext();
  Attributes attribute;
  try {
    attribute = ictx.getAttributes("dns://"               // Use "dns:///" if the default
                       + ((ns == null) ? "" : ns) +
                       // nameserver is to be used
                       "/" + reverseIP, new String[] { "PTR" });
  } finally {
    ictx.close();
  }

  String hostname = attribute.get("PTR").get().toString();
  int hostnameLength = hostname.length();
  if (hostname.charAt(hostnameLength - 1) == '.') {
    hostname = hostname.substring(0, hostnameLength - 1);
  }
  return hostname;
}
 

import javax.naming.directory.DirContext; //导入方法依赖的package包/类
@Override
public UserInfo doLookup(String searchId) throws Exception {
	
	String query = ApplicationProperties.getProperty("tmtbl.authenticate.ldap.identify");
	if (query == null) return null;
	
       DirContext ctx = null;
       try {
           ctx = getDirContext();
           
   		String idAttributeName = ApplicationProperties.getProperty("tmtbl.authenticate.ldap.externalId","uid");
   		String loginAttributeName = ApplicationProperties.getProperty("tmtbl.authenticate.ldap.login", "uid");
   		Attributes attributes = ctx.getAttributes(query.replaceAll("%", searchId), new String[] {idAttributeName, loginAttributeName, "cn", "givenName", "sn", "mail"});
           Attribute idAttribute = attributes.get(idAttributeName);
           if (idAttribute == null) return null;
           
       	UserInfo user = new UserInfo();
       	user.setExternalId((String)idAttribute.get());
       	user.setUserName((String)attributes.get(loginAttributeName).get());
       	if (attributes.get("cn") != null)
       		user.setName((String)attributes.get("cn").get());
       	if (attributes.get("givenName") != null)
       		user.setFirstName((String)attributes.get("givenName").get());
       	if (attributes.get("cn") != null)
       		user.setName((String)attributes.get("cn").get());
       	if (attributes.get("sn") != null)
       		user.setLastName((String)attributes.get("sn").get());
       	if (attributes.get("mail") != null) {
       		user.setEmail((String)attributes.get("mail").get());
       	} else {
           	String email = user.getUserName() + "@";
           	for (String x: query.split(","))
           		if (x.startsWith("dc=")) email += (email.endsWith("@") ? "" : ".") + x.substring(3);
           	if (!email.endsWith("@")) user.setEmail(email);
       	}
       	
       	return user;			
	} finally {
		if (ctx != null) ctx.close();
	}
}