Example usage for javax.naming.ldap InitialLdapContext getAttributes

List of usage examples for javax.naming.ldap InitialLdapContext getAttributes

Introduction

In this page you can find the example usage for javax.naming.ldap InitialLdapContext getAttributes.

Prototype

public Attributes getAttributes(String name, String[] attrIds) throws NamingException 

Source Link

Usage

From source file:com.dianping.cat.system.page.login.service.SessionManager.java

public SessionManager() {
    super();//from   w  w w  .  j  a  v a2  s. co  m
    AuthType type = AuthType.valueOf(CatPropertyProvider.INST.getProperty("CAT_AUTH_TYPE", "ADMIN_PWD"));
    switch (type) {
    case NOP:
        tokenCreator = new Function<Credential, Token>() {
            @Override
            public Token apply(Credential credential) {
                String account = credential.getAccount();
                return new Token(account, account);
            }
        };
        break;
    case LDAP:
        final String ldapUrl = CatPropertyProvider.INST.getProperty("CAT_LDAP_URL", null);
        if (StringUtils.isBlank(ldapUrl)) {
            throw new IllegalArgumentException("required CAT_LDAP_URL");
        }
        final String userDnTpl = CatPropertyProvider.INST.getProperty("CAT_LDAP_USER_DN_TPL", null);
        if (StringUtils.isBlank(userDnTpl)) {
            throw new IllegalArgumentException("required CAT_LDAP_USER_DN_TPL");
        }
        final String userDisplayAttr = CatPropertyProvider.INST.getProperty("CAT_LDAP_USER_DISPLAY_ATTR", null);
        final Pattern pattern = Pattern.compile("\\{0}");
        final Matcher userDnTplMatcher = pattern.matcher(userDnTpl);
        final String[] attrs = userDisplayAttr == null ? null : new String[] { userDisplayAttr };
        tokenCreator = new Function<Credential, Token>() {
            @Override
            public Token apply(Credential credential) {
                final String account = credential.getAccount();
                final String pwd = credential.getPassword();
                if (StringUtils.isEmpty(account) || StringUtils.isEmpty(pwd)) {
                    return null;
                }
                Hashtable<String, String> env = new Hashtable<String, String>();
                env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
                env.put(Context.PROVIDER_URL, ldapUrl);// LDAP server
                String userDn = userDnTplMatcher.replaceAll(account);
                env.put(Context.SECURITY_PRINCIPAL, pwd);
                env.put(Context.SECURITY_CREDENTIALS, pwd);
                try {
                    InitialLdapContext context = new InitialLdapContext(env, null);
                    final String baseDn = context.getNameInNamespace();
                    if (userDn.endsWith(baseDn)) {
                        userDn = userDn.substring(0, userDn.length() - baseDn.length() - 1);
                    }
                    String displayName = null;
                    if (attrs != null) {
                        final Attributes attributes = context.getAttributes(userDn, attrs);
                        if (attributes.size() > 0) {
                            displayName = attributes.getAll().next().get().toString();
                        }
                    }

                    return new Token(account, displayName == null ? account : displayName);
                } catch (Exception e) {
                    Cat.logError(e);
                    return null;
                }
            }

        };
        break;
    case ADMIN_PWD:
        final String p = CatPropertyProvider.INST.getProperty("CAT_ADMIN_PWD", "admin");

        tokenCreator = new Function<Credential, Token>() {
            @Override
            public Token apply(Credential credential) {
                String account = credential.getAccount();

                if ("admin".equals(account) && p.equals(credential.getPassword())) {
                    return new Token(account, account);
                }
                return null;
            }

        };
        break;
    }
}

From source file:com.adito.activedirectory.ActiveDirectoryUserDatabase.java

protected Attributes getAttributes(final String dn, final String... attributes) throws UserDatabaseException {
    return (Attributes) configuration.doAs(new RetryPrivilegedAction() {
        protected Object doIt(InitialLdapContext context) throws NamingException {
            return context.getAttributes(dn, attributes);
        }//w  w  w . j a  v a 2 s .  co m
    });
}

From source file:com.adito.activedirectory.ActiveDirectoryUserDatabase.java

private User getAccountFromDN(String dn, InitialLdapContext context) throws NamingException {
    String actualDN = null;/*from   w w  w  .j  av a2s . c o m*/
    for (StringTokenizer tokens = new StringTokenizer(dn, ","); tokens.hasMoreTokens();) {
        String elm = tokens.nextToken().trim();
        if (elm.toUpperCase().startsWith("CN") || elm.toUpperCase().startsWith("OU")
                || elm.toUpperCase().startsWith("DC")) {
            actualDN = (actualDN == null ? "" : actualDN + ",") + elm;
        }
    }

    try {
        Attributes attributes = context.getAttributes(actualDN, USER_ATTRS);
        return populateActiveDirectoryUser(dn, attributes);
    } catch (Exception e) {
        logger.error("Cannot locate user for DN " + dn, e);
        throw new NamingException("User not found for DN " + dn);
    }
}

From source file:no.feide.moria.directory.backend.JNDIBackend.java

/**
 * Retrieves a list of attributes from an element.
 * @param ldap//  w w w . ja  v a  2  s  .c  om
 *            A prepared LDAP context. Cannot be <code>null</code>.
 * @param rdn
 *            The relative DN (to the DN in the LDAP context
 *            <code>ldap</code>). Cannot be <code>null</code>.
 * @param attributes
 *            The requested attribute's names. Also indirectly referenced
 *            attributes on the form
 *            <code>someReferenceAttribute:someIndirectAttribute</code>,
 *            where the DN in the reference attribute
 *            <code>someReferenceAttribute</code> is followed to look up
 *            <code>someIndirectAttribute</code> from another element.
 * @return The requested attributes (<code>String</code> names and
 *         <code>String[]</code> values), if they did exist in the
 *         external backend. Otherwise returns those attributes that could
 *         actually be read, this may be an empty <code>HashMap</code>.
 *         Returns an empty <code>HashMap</code> if
 *         <code>attributes</code> is <code>null</code> or an empty
 *         array. Note that attribute values are mapped to
 *         <code>String</code> using ISO-8859-1.
 * @throws BackendException
 *             If unable to read the attributes from the backend.
 * @throws NullPointerException
 *             If <code>ldap</code> or <code>rdn</code> is
 *             <code>null</code>.
 * @see javax.naming.directory.InitialDirContext#getAttributes(java.lang.String,
 *      java.lang.String[])
 */
private HashMap<String, String[]> getAttributes(final InitialLdapContext ldap, final String rdn,
        final String[] attributes) throws BackendException {

    // Sanity checks.
    if (ldap == null)
        throw new NullPointerException("LDAP context cannot be NULL");
    if (rdn == null)
        throw new NullPointerException("RDN cannot be NULL");
    if ((attributes == null) || (attributes.length == 0))
        return new HashMap<String, String[]>();

    // Used to remember attributes to be read through references later on.
    Hashtable<String, Vector> attributeReferences = new Hashtable<String, Vector>();

    // Strip down request, resolving references and removing duplicates.
    Vector<String> strippedAttributeRequest = new Vector<String>();
    for (int i = 0; i < attributes.length; i++) {
        int indexOfSplitCharacter = attributes[i]
                .indexOf(DirectoryManagerBackend.ATTRIBUTE_REFERENCE_SEPARATOR);
        if (indexOfSplitCharacter == -1) {

            // A regular attribute request.
            if (!strippedAttributeRequest.contains(attributes[i]))
                strippedAttributeRequest.add(attributes[i]);

        } else {

            // A referenced attribute request.
            final String referencingAttribute = attributes[i].substring(0, indexOfSplitCharacter);
            if (!strippedAttributeRequest.contains(referencingAttribute))
                strippedAttributeRequest.add(referencingAttribute);

            // Add to list of attributes to be read through each reference.
            if (!attributeReferences.containsKey(referencingAttribute)) {

                // Add new reference.
                Vector<String> referencedAttribute = new Vector<String>();
                referencedAttribute.add(attributes[i].substring(indexOfSplitCharacter + 1));
                attributeReferences.put(referencingAttribute, referencedAttribute);

            } else {

                // Update existing reference.
                Vector<String> referencedAttribute = attributeReferences.get(referencingAttribute);
                if (!referencedAttribute.contains(attributes[i].substring(indexOfSplitCharacter + 1)))
                    referencedAttribute.add(attributes[i].substring(indexOfSplitCharacter + 1));

            }

        }

    }

    // The context provider URL and DN, for later logging.
    String url = "unknown backend";
    String dn = "unknown dn";

    // Get the attributes from an already initialized LDAP connection.
    Attributes rawAttributes = null;
    try {

        // Remember the URL and bind DN, for later logging.
        final Hashtable environment = ldap.getEnvironment();
        url = (String) environment.get(Context.PROVIDER_URL);
        dn = (String) environment.get(Context.SECURITY_PRINCIPAL);

        // Get the attributes.
        rawAttributes = ldap.getAttributes(rdn, strippedAttributeRequest.toArray(new String[] {}));

    } catch (NameNotFoundException e) {

        // Successful authentication but missing user element; no attributes
        // returned and the event is logged.
        log.logWarn("No LDAP element found (DN was '" + dn + "')", mySessionTicket);
        rawAttributes = new BasicAttributes();

    } catch (NamingException e) {
        String a = new String();
        for (int i = 0; i < attributes.length; i++)
            a = a + attributes[i] + ", ";
        throw new BackendException("Unable to read attribute(s) '" + a.substring(0, a.length() - 2) + "' from '"
                + rdn + "' on '" + url + "'", e);
    }

    // Translate retrieved attributes from Attributes to HashMap.
    HashMap<String, String[]> convertedAttributes = new HashMap<String, String[]>();
    for (int i = 0; i < attributes.length; i++) {

        // Did we get any attribute back at all?
        final String requestedAttribute = attributes[i];
        Attribute rawAttribute = rawAttributes.get(requestedAttribute);
        if (rawAttribute == null) {

            // Attribute was not returned.
            log.logDebug("Requested attribute '" + requestedAttribute + "' not found on '" + url + "'",
                    mySessionTicket);

        } else {

            // Map the attribute values to String[].
            ArrayList<String> convertedAttributeValues = new ArrayList<String>(rawAttribute.size());
            for (int j = 0; j < rawAttribute.size(); j++) {
                try {

                    // We either have a String or a byte[].
                    String convertedAttributeValue = null;
                    try {

                        // Encode String.
                        convertedAttributeValue = new String(((String) rawAttribute.get(j)).getBytes(),
                                DirectoryManagerBackend.ATTRIBUTE_VALUE_CHARSET);
                    } catch (ClassCastException e) {

                        // Encode byte[] to String.
                        convertedAttributeValue = new String(Base64.encodeBase64((byte[]) rawAttribute.get(j)),
                                DirectoryManagerBackend.ATTRIBUTE_VALUE_CHARSET);

                    }
                    convertedAttributeValues.add(convertedAttributeValue);

                } catch (NamingException e) {
                    throw new BackendException("Unable to read attribute value of '" + rawAttribute.getID()
                            + "' from '" + url + "'", e);
                } catch (UnsupportedEncodingException e) {
                    throw new BackendException(
                            "Unable to use " + DirectoryManagerBackend.ATTRIBUTE_VALUE_CHARSET + " encoding",
                            e);
                }
            }
            convertedAttributes.put(requestedAttribute, convertedAttributeValues.toArray(new String[] {}));

        }

    }

    // Follow references to look up any indirectly referenced attributes.
    Enumeration<String> keys = attributeReferences.keys();
    while (keys.hasMoreElements()) {

        // Do we have a reference? 
        final String referencingAttribute = keys.nextElement();
        final String[] referencingValues = convertedAttributes.get(referencingAttribute);
        if (referencingValues == null) {

            // No reference was found in this attribute.
            log.logDebug("Found no DN references in attribute '" + referencingAttribute + "'", mySessionTicket);

        } else {

            // One (or more) references was found in this attribute.
            if (referencingValues.length > 1)
                log.logDebug("Found " + referencingValues.length + " DN references in attribute '"
                        + referencingAttribute + "'; ignoring all but first", mySessionTicket);
            log.logDebug("Following reference '" + referencingValues[0] + "' found in '" + referencingAttribute
                    + "' to look up attribute(s) '" + attributeReferences.get(referencingAttribute).toString(),
                    mySessionTicket);
            String providerURL = null; // To be used later.
            try {

                // Follow the reference.
                providerURL = (String) ldap.getEnvironment().get(Context.PROVIDER_URL);
                providerURL = providerURL.substring(0, providerURL.lastIndexOf("/") + 1) + referencingValues[0];
                ldap.addToEnvironment(Context.PROVIDER_URL, providerURL);

            } catch (NamingException e) {
                throw new BackendException("Unable to update provider URL in LDAP environment", e);
            }

            // Add any referenced attributes returned.
            HashMap additionalAttributes = getAttributes(ldap, providerURL,
                    (String[]) attributeReferences.get(referencingAttribute).toArray(new String[] {}));
            Iterator i = additionalAttributes.keySet().iterator();
            while (i.hasNext()) {
                String attributeName = (String) i.next();
                convertedAttributes.put(referencingAttribute
                        + DirectoryManagerBackend.ATTRIBUTE_REFERENCE_SEPARATOR + attributeName,
                        (String[]) additionalAttributes.get(attributeName));
            }

        }

    }

    return convertedAttributes;

}