Example usage for javax.naming.ldap LdapName getRdn

List of usage examples for javax.naming.ldap LdapName getRdn

Introduction

In this page you can find the example usage for javax.naming.ldap LdapName getRdn.

Prototype

public Rdn getRdn(int posn) 

Source Link

Document

Retrieves an RDN of this LDAP name as an Rdn.

Usage

From source file:dk.magenta.ldap.LDAPMultiBaseUserRegistry.java

public Collection<NodeDescription> getGroups(Date modifiedSince) {
    // Work out whether the user and group trees are disjoint. This may allow us to optimize reverse DN
    // resolution.
    final Set<LdapName> groupDistinguishedNamePrefixes = new LinkedHashSet<>();
    for (String groupSearchBase : this.groupSearchBases) {
        try {/*  w w w.jav a2 s  .c o m*/
            final LdapName groupDistinguishedNamePrefix = fixedLdapName(groupSearchBase.toLowerCase());
            groupDistinguishedNamePrefixes.add(groupDistinguishedNamePrefix);
        } catch (InvalidNameException e) {
            Object[] params = { groupSearchBase.toLowerCase(), e.getLocalizedMessage() };
            throw new AlfrescoRuntimeException("synchronization.err.ldap.search.base.invalid", params, e);
        }
    }
    final Set<LdapName> userDistinguishedNamePrefixes = new LinkedHashSet<>();
    for (String userSearchBase : this.userSearchBases) {
        try {
            final LdapName userDistinguishedNamePrefix = fixedLdapName(userSearchBase.toLowerCase());
            userDistinguishedNamePrefixes.add(userDistinguishedNamePrefix);
        } catch (InvalidNameException e) {
            Object[] params = { userSearchBase.toLowerCase(), e.getLocalizedMessage() };
            throw new AlfrescoRuntimeException("synchronization.err.ldap.search.base.invalid", params, e);
        }
    }

    final Set<LdapName> distinctGroupDNPrefixes = new LinkedHashSet<>(groupDistinguishedNamePrefixes);
    final Set<LdapName> distinctUserDNPrefixes = new LinkedHashSet<>(userDistinguishedNamePrefixes);
    removeCommonPrefixedNamesFromSets(distinctGroupDNPrefixes, distinctUserDNPrefixes);

    // If there exist either distinct user DNs or group DNs, then the
    // sets are disjoint, and we may be able to recognize user or group
    // DNs without secondary lookup
    final boolean disjoint = !distinctUserDNPrefixes.isEmpty() || !distinctGroupDNPrefixes.isEmpty();

    if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
        if (disjoint) {
            LDAPMultiBaseUserRegistry.logger.debug("Distinct user " + "DN prefixes: " + distinctUserDNPrefixes);
            LDAPMultiBaseUserRegistry.logger
                    .debug("Distinct group " + "DN prefixes: " + distinctGroupDNPrefixes);
        }
    }

    // Choose / generate the query
    String query;
    if (modifiedSince == null) {
        query = this.groupQuery;
    } else {
        query = MessageFormat.format(this.groupDifferentialQuery, this.timestampFormat.format(modifiedSince));
    }

    // Run the query and process the results
    final Map<String, NodeDescription> lookup = new TreeMap<String, NodeDescription>();
    processQuery(new SearchCallback() {
        // We get a whole new context to avoid interference with cookies from paged results
        private DirContext ctx = LDAPMultiBaseUserRegistry.this.ldapInitialContextFactory
                .getDefaultIntialDirContext();

        public void process(SearchResult result) throws NamingException, ParseException {
            Attributes attributes = result.getAttributes();
            Attribute gidAttribute = attributes.get(LDAPMultiBaseUserRegistry.this.groupIdAttributeName);
            if (gidAttribute == null) {
                if (LDAPMultiBaseUserRegistry.this.errorOnMissingGID) {
                    Object[] params = { result.getNameInNamespace(),
                            LDAPMultiBaseUserRegistry.this.groupIdAttributeName };
                    throw new AlfrescoRuntimeException("synchronization.err.ldap.get.group.id.missing", params);
                } else {
                    LDAPMultiBaseUserRegistry.logger.warn("Missing GID on " + attributes);
                    return;
                }
            }
            String groupShortName = gidAttribute.get(0).toString();
            String gid = "GROUP_" + groupShortName;

            NodeDescription group = lookup.get(gid);
            if (group == null) {
                // Apply the mapped properties to the node description
                group = mapToNode(LDAPMultiBaseUserRegistry.this.groupAttributeMapping,
                        LDAPMultiBaseUserRegistry.this.groupAttributeDefaults, result);

                // Make sure the "GROUP_" prefix is applied
                group.getProperties().put(ContentModel.PROP_AUTHORITY_NAME, gid);
                lookup.put(gid, group);
            } else if (LDAPMultiBaseUserRegistry.this.errorOnDuplicateGID) {
                throw new AlfrescoRuntimeException("Duplicate group id found for " + gid);
            } else {
                LDAPMultiBaseUserRegistry.logger
                        .warn("Duplicate gid found for " + gid + " -> merging definitions");
            }

            Set<String> childAssocs = group.getChildAssociations();

            // Get the repeating (and possibly range restricted) member attribute
            Attribute memAttribute = getRangeRestrictedAttribute(attributes,
                    LDAPMultiBaseUserRegistry.this.memberAttributeName);
            int nextStart = LDAPMultiBaseUserRegistry.this.attributeBatchSize;
            if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
                LDAPMultiBaseUserRegistry.logger
                        .debug("Processing group: " + gid + ", from source: " + group.getSourceId());
            }
            // Loop until we get to the end of the range
            while (memAttribute != null) {
                for (int i = 0; i < memAttribute.size(); i++) {
                    String attribute = (String) memAttribute.get(i);
                    if (attribute != null && attribute.length() > 0) {
                        try {
                            // Attempt to parse the member attribute as a DN. If this fails we have a fallback
                            // in the catch block
                            LdapName distinguishedNameForComparison = fixedLdapName(attribute.toLowerCase());
                            Attribute nameAttribute;

                            // If the user and group search bases are different we may be able to recognize user
                            // and group DNs without a secondary lookup
                            if (disjoint) {
                                LdapName distinguishedName = fixedLdapName(attribute);
                                Attributes nameAttributes = distinguishedName
                                        .getRdn(distinguishedName.size() - 1).toAttributes();

                                // Recognize user DNs
                                if (nameStartsWithNameInSet(distinguishedNameForComparison,
                                        distinctUserDNPrefixes)
                                        && (nameAttribute = nameAttributes.get(
                                                LDAPMultiBaseUserRegistry.this.userIdAttributeName)) != null) {
                                    if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
                                        LDAPMultiBaseUserRegistry.logger
                                                .debug("User DN recognized: " + nameAttribute.get());
                                    }
                                    childAssocs.add((String) nameAttribute.get());
                                    continue;
                                }

                                // Recognize group DNs
                                if (nameStartsWithNameInSet(distinguishedNameForComparison,
                                        distinctGroupDNPrefixes)
                                        && (nameAttribute = nameAttributes.get(
                                                LDAPMultiBaseUserRegistry.this.groupIdAttributeName)) != null) {
                                    if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
                                        LDAPMultiBaseUserRegistry.logger.debug(
                                                "Group DN recognized: " + "GROUP_" + nameAttribute.get());
                                    }
                                    childAssocs.add("GROUP_" + nameAttribute.get());
                                    continue;
                                }
                            }

                            // If we can't determine the name and type from the DN alone, try a directory lookup
                            if (nameStartsWithNameInSet(distinguishedNameForComparison,
                                    userDistinguishedNamePrefixes)
                                    || nameStartsWithNameInSet(distinguishedNameForComparison,
                                            groupDistinguishedNamePrefixes)) {
                                try {
                                    Attributes childAttributes = this.ctx.getAttributes(jndiName(attribute),
                                            new String[] { "objectclass",
                                                    LDAPMultiBaseUserRegistry.this.groupIdAttributeName,
                                                    LDAPMultiBaseUserRegistry.this.userIdAttributeName });
                                    Attribute objectClass = childAttributes.get("objectclass");
                                    if (hasAttributeValue(objectClass,
                                            LDAPMultiBaseUserRegistry.this.personType)) {
                                        nameAttribute = childAttributes
                                                .get(LDAPMultiBaseUserRegistry.this.userIdAttributeName);
                                        if (nameAttribute == null) {
                                            if (LDAPMultiBaseUserRegistry.this.errorOnMissingUID) {
                                                throw new AlfrescoRuntimeException(
                                                        "User missing user id attribute DN =" + attribute
                                                                + "  att = "
                                                                + LDAPMultiBaseUserRegistry.this.userIdAttributeName);
                                            } else {
                                                LDAPMultiBaseUserRegistry.logger
                                                        .warn("User missing user id attribute DN =" + attribute
                                                                + "  att = "
                                                                + LDAPMultiBaseUserRegistry.this.userIdAttributeName);
                                                continue;
                                            }
                                        }
                                        if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
                                            LDAPMultiBaseUserRegistry.logger
                                                    .debug("User DN recognized by directory lookup: "
                                                            + nameAttribute.get());
                                        }
                                        childAssocs.add((String) nameAttribute.get());
                                        continue;
                                    } else if (hasAttributeValue(objectClass,
                                            LDAPMultiBaseUserRegistry.this.groupType)) {
                                        nameAttribute = childAttributes
                                                .get(LDAPMultiBaseUserRegistry.this.groupIdAttributeName);
                                        if (nameAttribute == null) {
                                            if (LDAPMultiBaseUserRegistry.this.errorOnMissingGID) {
                                                Object[] params = { result.getNameInNamespace(),
                                                        LDAPMultiBaseUserRegistry.this.groupIdAttributeName };
                                                throw new AlfrescoRuntimeException(
                                                        "synchronization.err.ldap.get.group.id.missing",
                                                        params);
                                            } else {
                                                LDAPMultiBaseUserRegistry.logger
                                                        .warn("Missing GID on " + childAttributes);
                                                continue;
                                            }
                                        }
                                        if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
                                            LDAPMultiBaseUserRegistry.logger
                                                    .debug("Group DN recognized by directory lookup: "
                                                            + "GROUP_" + nameAttribute.get());
                                        }
                                        childAssocs.add("GROUP_" + nameAttribute.get());
                                        continue;
                                    }
                                } catch (NamingException e) {
                                    // Unresolvable name
                                    if (LDAPMultiBaseUserRegistry.this.errorOnMissingMembers) {
                                        Object[] params = { groupShortName, attribute,
                                                e.getLocalizedMessage() };
                                        throw new AlfrescoRuntimeException(
                                                "synchronization.err.ldap.group.member.missing.exception",
                                                params, e);
                                    }
                                    LDAPMultiBaseUserRegistry.logger.warn("Failed to resolve member of group '"
                                            + groupShortName + "' with distinguished name: " + attribute, e);
                                    continue;
                                }
                            }
                            if (LDAPMultiBaseUserRegistry.this.errorOnMissingMembers) {
                                Object[] params = { groupShortName, attribute };
                                throw new AlfrescoRuntimeException(
                                        "synchronization.err.ldap.group.member.missing", params);
                            }
                            LDAPMultiBaseUserRegistry.logger.warn("Failed to resolve member of group '"
                                    + groupShortName + "' with distinguished name: " + attribute);
                        } catch (InvalidNameException e) {
                            // The member attribute didn't parse as a DN. So assume we have a group class like
                            // posixGroup (FDS) that directly lists user names
                            if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
                                LDAPMultiBaseUserRegistry.logger
                                        .debug("Member DN recognized as posixGroup: " + attribute);
                            }
                            childAssocs.add(attribute);
                        }
                    }
                }

                // If we are using attribute matching and we haven't got to the end (indicated by an asterisk),
                // fetch the next batch
                if (nextStart > 0 && !LDAPMultiBaseUserRegistry.PATTERN_RANGE_END
                        .matcher(memAttribute.getID().toLowerCase()).find()) {
                    Attributes childAttributes = this.ctx.getAttributes(jndiName(result.getNameInNamespace()),
                            new String[] { LDAPMultiBaseUserRegistry.this.memberAttributeName + ";range="
                                    + nextStart + '-'
                                    + (nextStart + LDAPMultiBaseUserRegistry.this.attributeBatchSize - 1) });
                    memAttribute = getRangeRestrictedAttribute(childAttributes,
                            LDAPMultiBaseUserRegistry.this.memberAttributeName);
                    nextStart += LDAPMultiBaseUserRegistry.this.attributeBatchSize;
                } else {
                    memAttribute = null;
                }
            }
        }

        public void close() throws NamingException {
            this.ctx.close();
        }
    }, this.groupSearchBases, query, this.groupKeys.getFirst());

    if (LDAPMultiBaseUserRegistry.logger.isDebugEnabled()) {
        LDAPMultiBaseUserRegistry.logger.debug("Found " + lookup.size());
    }

    return lookup.values();
}

From source file:org.alfresco.repo.security.sync.ldap.LDAPUserRegistry.java

public Collection<NodeDescription> getGroups(Date modifiedSince) {
    // Work out whether the user and group trees are disjoint. This may allow us to optimize reverse DN
    // resolution.
    final LdapName groupDistinguishedNamePrefix;
    try {/*w  w  w . j av  a 2 s .c o  m*/
        groupDistinguishedNamePrefix = fixedLdapName(this.groupSearchBase.toLowerCase());
    } catch (InvalidNameException e) {
        Object[] params = { this.groupSearchBase.toLowerCase(), e.getLocalizedMessage() };
        throw new AlfrescoRuntimeException("synchronization.err.ldap.search.base.invalid", params, e);
    }
    final LdapName userDistinguishedNamePrefix;
    try {
        userDistinguishedNamePrefix = fixedLdapName(this.userSearchBase.toLowerCase());
    } catch (InvalidNameException e) {
        Object[] params = { this.userSearchBase.toLowerCase(), e.getLocalizedMessage() };
        throw new AlfrescoRuntimeException("synchronization.err.ldap.search.base.invalid", params, e);
    }

    final boolean disjoint = !groupDistinguishedNamePrefix.startsWith(userDistinguishedNamePrefix)
            && !userDistinguishedNamePrefix.startsWith(groupDistinguishedNamePrefix);

    // Choose / generate the query
    String query;
    if (modifiedSince == null) {
        query = this.groupQuery;
    } else {
        query = MessageFormat.format(this.groupDifferentialQuery, this.timestampFormat.format(modifiedSince));
    }

    // Run the query and process the results
    final Map<String, NodeDescription> lookup = new TreeMap<String, NodeDescription>();
    processQuery(new AbstractSearchCallback() {
        // We get a whole new context to avoid interference with cookies from paged results
        private DirContext ctx = LDAPUserRegistry.this.ldapInitialContextFactory.getDefaultIntialDirContext();

        protected void doProcess(SearchResult result) throws NamingException, ParseException {
            Attributes attributes = result.getAttributes();
            Attribute gidAttribute = attributes.get(LDAPUserRegistry.this.groupIdAttributeName);
            if (gidAttribute == null) {
                if (LDAPUserRegistry.this.errorOnMissingGID) {
                    Object[] params = { result.getNameInNamespace(),
                            LDAPUserRegistry.this.groupIdAttributeName };
                    throw new AlfrescoRuntimeException("synchronization.err.ldap.get.group.id.missing", params);
                } else {
                    LDAPUserRegistry.logger.warn("Missing GID on " + attributes);
                    return;
                }
            }
            String groupShortName = gidAttribute.get(0).toString();
            String gid = "GROUP_" + groupShortName;

            NodeDescription group = lookup.get(gid);
            if (group == null) {
                // Apply the mapped properties to the node description
                group = mapToNode(LDAPUserRegistry.this.groupAttributeMapping,
                        LDAPUserRegistry.this.groupAttributeDefaults, result);

                // Make sure the "GROUP_" prefix is applied
                group.getProperties().put(ContentModel.PROP_AUTHORITY_NAME, gid);
                lookup.put(gid, group);
            } else if (LDAPUserRegistry.this.errorOnDuplicateGID) {
                throw new AlfrescoRuntimeException("Duplicate group id found for " + gid);
            } else {
                LDAPUserRegistry.logger.warn("Duplicate gid found for " + gid + " -> merging definitions");
            }

            Set<String> childAssocs = group.getChildAssociations();

            // Get the repeating (and possibly range restricted) member attribute
            Attribute memAttribute = getRangeRestrictedAttribute(attributes,
                    LDAPUserRegistry.this.memberAttributeName);
            int nextStart = LDAPUserRegistry.this.attributeBatchSize;
            if (LDAPUserRegistry.logger.isDebugEnabled()) {
                LDAPUserRegistry.logger
                        .debug("Processing group: " + gid + ", from source: " + group.getSourceId());
            }
            // Loop until we get to the end of the range
            while (memAttribute != null) {
                for (int i = 0; i < memAttribute.size(); i++) {
                    String attribute = (String) memAttribute.get(i);
                    if (attribute != null && attribute.length() > 0) {
                        try {
                            // Attempt to parse the member attribute as a DN. If this fails we have a fallback
                            // in the catch block
                            LdapName distinguishedNameForComparison = fixedLdapName(attribute.toLowerCase());
                            Attribute nameAttribute;

                            // If the user and group search bases are different we may be able to recognize user
                            // and group DNs without a secondary lookup
                            if (disjoint) {
                                LdapName distinguishedName = fixedLdapName(attribute);
                                Attributes nameAttributes = distinguishedName
                                        .getRdn(distinguishedName.size() - 1).toAttributes();

                                // Recognize user DNs
                                if (distinguishedNameForComparison.startsWith(userDistinguishedNamePrefix)
                                        && (nameAttribute = nameAttributes
                                                .get(LDAPUserRegistry.this.userIdAttributeName)) != null) {
                                    if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                        LDAPUserRegistry.logger
                                                .debug("User DN recognized: " + nameAttribute.get());
                                    }
                                    childAssocs.add((String) nameAttribute.get());
                                    continue;
                                }

                                // Recognize group DNs
                                if (distinguishedNameForComparison.startsWith(groupDistinguishedNamePrefix)
                                        && (nameAttribute = nameAttributes
                                                .get(LDAPUserRegistry.this.groupIdAttributeName)) != null) {
                                    if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                        LDAPUserRegistry.logger.debug(
                                                "Group DN recognized: " + "GROUP_" + nameAttribute.get());
                                    }
                                    childAssocs.add("GROUP_" + nameAttribute.get());
                                    continue;
                                }
                            }

                            // If we can't determine the name and type from the DN alone, try a directory lookup
                            if (distinguishedNameForComparison.startsWith(userDistinguishedNamePrefix)
                                    || distinguishedNameForComparison
                                            .startsWith(groupDistinguishedNamePrefix)) {
                                try {
                                    Attributes childAttributes = this.ctx.getAttributes(jndiName(attribute),
                                            new String[] { "objectclass",
                                                    LDAPUserRegistry.this.groupIdAttributeName,
                                                    LDAPUserRegistry.this.userIdAttributeName });
                                    Attribute objectClass = childAttributes.get("objectclass");
                                    if (hasAttributeValue(objectClass, LDAPUserRegistry.this.personType)) {
                                        nameAttribute = childAttributes
                                                .get(LDAPUserRegistry.this.userIdAttributeName);
                                        if (nameAttribute == null) {
                                            if (LDAPUserRegistry.this.errorOnMissingUID) {
                                                throw new AlfrescoRuntimeException(
                                                        "User missing user id attribute DN =" + attribute
                                                                + "  att = "
                                                                + LDAPUserRegistry.this.userIdAttributeName);
                                            } else {
                                                LDAPUserRegistry.logger
                                                        .warn("User missing user id attribute DN =" + attribute
                                                                + "  att = "
                                                                + LDAPUserRegistry.this.userIdAttributeName);
                                                continue;
                                            }
                                        }
                                        if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                            LDAPUserRegistry.logger
                                                    .debug("User DN recognized by directory lookup: "
                                                            + nameAttribute.get());
                                        }
                                        childAssocs.add((String) nameAttribute.get());
                                        continue;
                                    } else if (hasAttributeValue(objectClass,
                                            LDAPUserRegistry.this.groupType)) {
                                        nameAttribute = childAttributes
                                                .get(LDAPUserRegistry.this.groupIdAttributeName);
                                        if (nameAttribute == null) {
                                            if (LDAPUserRegistry.this.errorOnMissingGID) {
                                                Object[] params = { result.getNameInNamespace(),
                                                        LDAPUserRegistry.this.groupIdAttributeName };
                                                throw new AlfrescoRuntimeException(
                                                        "synchronization.err.ldap.get.group.id.missing",
                                                        params);
                                            } else {
                                                LDAPUserRegistry.logger
                                                        .warn("Missing GID on " + childAttributes);
                                                continue;
                                            }
                                        }
                                        if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                            LDAPUserRegistry.logger
                                                    .debug("Group DN recognized by directory lookup: "
                                                            + "GROUP_" + nameAttribute.get());
                                        }
                                        childAssocs.add("GROUP_" + nameAttribute.get());
                                        continue;
                                    }
                                } catch (NamingException e) {
                                    // Unresolvable name
                                    if (LDAPUserRegistry.this.errorOnMissingMembers) {
                                        Object[] params = { groupShortName, attribute,
                                                e.getLocalizedMessage() };
                                        throw new AlfrescoRuntimeException(
                                                "synchronization.err.ldap.group.member.missing.exception",
                                                params, e);
                                    }
                                    LDAPUserRegistry.logger.warn("Failed to resolve member of group '"
                                            + groupShortName + "' with distinguished name: " + attribute, e);
                                    continue;
                                }
                            }
                            if (LDAPUserRegistry.this.errorOnMissingMembers) {
                                Object[] params = { groupShortName, attribute };
                                throw new AlfrescoRuntimeException(
                                        "synchronization.err.ldap.group.member.missing", params);
                            }
                            LDAPUserRegistry.logger.warn("Failed to resolve member of group '" + groupShortName
                                    + "' with distinguished name: " + attribute);
                        } catch (InvalidNameException e) {
                            // The member attribute didn't parse as a DN. So assume we have a group class like
                            // posixGroup (FDS) that directly lists user names
                            if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                LDAPUserRegistry.logger
                                        .debug("Member DN recognized as posixGroup: " + attribute);
                            }
                            childAssocs.add(attribute);
                        }
                    }
                }

                // If we are using attribute matching and we haven't got to the end (indicated by an asterisk),
                // fetch the next batch
                if (nextStart > 0 && !LDAPUserRegistry.PATTERN_RANGE_END
                        .matcher(memAttribute.getID().toLowerCase()).find()) {
                    Attributes childAttributes = this.ctx.getAttributes(jndiName(result.getNameInNamespace()),
                            new String[] { LDAPUserRegistry.this.memberAttributeName + ";range=" + nextStart
                                    + '-' + (nextStart + LDAPUserRegistry.this.attributeBatchSize - 1) });
                    memAttribute = getRangeRestrictedAttribute(childAttributes,
                            LDAPUserRegistry.this.memberAttributeName);
                    nextStart += LDAPUserRegistry.this.attributeBatchSize;
                } else {
                    memAttribute = null;
                }
            }
        }

        public void close() throws NamingException {
            this.ctx.close();
        }
    }, this.groupSearchBase, query, this.groupKeys.getFirst());

    if (LDAPUserRegistry.logger.isDebugEnabled()) {
        LDAPUserRegistry.logger.debug("Found " + lookup.size());
    }

    return lookup.values();
}

From source file:org.cggh.repo.security.sync.ldap.LDAPUserRegistry.java

public Collection<NodeDescription> getGroups(Date modifiedSince) {
    // Work out whether the user and group trees are disjoint. This may allow us to optimize reverse DN
    // resolution.
    final LdapName groupDistinguishedNamePrefix;
    try {/*from   w w  w.j  a  va2  s. co m*/
        groupDistinguishedNamePrefix = fixedLdapName(this.groupSearchBase.toLowerCase());
    } catch (InvalidNameException e) {
        Object[] params = { this.groupSearchBase.toLowerCase(), e.getLocalizedMessage() };
        throw new AlfrescoRuntimeException("synchronization.err.ldap.search.base.invalid", params, e);
    }
    final LdapName userDistinguishedNamePrefix;
    try {
        userDistinguishedNamePrefix = fixedLdapName(this.userSearchBase.toLowerCase());
    } catch (InvalidNameException e) {
        Object[] params = { this.userSearchBase.toLowerCase(), e.getLocalizedMessage() };
        throw new AlfrescoRuntimeException("synchronization.err.ldap.search.base.invalid", params, e);
    }

    final boolean disjoint = !groupDistinguishedNamePrefix.startsWith(userDistinguishedNamePrefix)
            && !userDistinguishedNamePrefix.startsWith(groupDistinguishedNamePrefix);

    // Choose / generate the query
    String query;
    if (modifiedSince == null) {
        query = this.groupQuery;
    } else {
        query = MessageFormat.format(this.groupDifferentialQuery, this.timestampFormat.format(modifiedSince));
    }

    // Run the query and process the results
    final Map<String, NodeDescription> lookup = new TreeMap<String, NodeDescription>();
    processQuery(new AbstractSearchCallback() {
        // We get a whole new context to avoid interference with cookies from paged results
        private DirContext ctx = LDAPUserRegistry.this.ldapInitialContextFactory.getDefaultIntialDirContext();

        protected void doProcess(SearchResult result) throws NamingException, ParseException {
            Attributes attributes = result.getAttributes();
            Attribute gidAttribute = attributes.get(LDAPUserRegistry.this.groupIdAttributeName);
            if (gidAttribute == null) {
                if (LDAPUserRegistry.this.errorOnMissingGID) {
                    Object[] params = { result.getNameInNamespace(),
                            LDAPUserRegistry.this.groupIdAttributeName };
                    throw new AlfrescoRuntimeException("synchronization.err.ldap.get.group.id.missing", params);
                } else {
                    LDAPUserRegistry.logger.warn(
                            "Missing GID2 on " + result.getNameInNamespace() + " attributes:" + attributes);
                    return;
                }
            }
            String groupShortName = gidAttribute.get(0).toString();
            String gid = "GROUP_" + groupShortName;

            NodeDescription group = lookup.get(gid);
            if (group == null) {
                // Apply the mapped properties to the node description
                group = mapToNode(LDAPUserRegistry.this.groupAttributeMapping,
                        LDAPUserRegistry.this.groupAttributeDefaults, result);

                // Make sure the "GROUP_" prefix is applied
                group.getProperties().put(ContentModel.PROP_AUTHORITY_NAME, gid);
                lookup.put(gid, group);
            } else if (LDAPUserRegistry.this.errorOnDuplicateGID) {
                throw new AlfrescoRuntimeException("Duplicate group id found for " + gid);
            } else {
                LDAPUserRegistry.logger.warn("Duplicate gid found for " + gid + " -> merging definitions");
            }

            Set<String> childAssocs = group.getChildAssociations();

            // Get the repeating (and possibly range restricted) member attribute
            Attribute memAttribute = getRangeRestrictedAttribute(attributes,
                    LDAPUserRegistry.this.memberAttributeName);
            int nextStart = LDAPUserRegistry.this.attributeBatchSize;
            if (LDAPUserRegistry.logger.isDebugEnabled()) {
                LDAPUserRegistry.logger
                        .debug("Processing group: " + gid + ", from source: " + group.getSourceId());
            }
            // Loop until we get to the end of the range
            while (memAttribute != null) {
                for (int i = 0; i < memAttribute.size(); i++) {
                    String attribute = (String) memAttribute.get(i);
                    if (attribute != null && attribute.length() > 0) {
                        try {
                            // Attempt to parse the member attribute as a DN. If this fails we have a fallback
                            // in the catch block
                            LdapName distinguishedNameForComparison = fixedLdapName(attribute.toLowerCase());
                            Attribute nameAttribute;

                            // If the user and group search bases are different we may be able to recognize user
                            // and group DNs without a secondary lookup
                            if (disjoint) {
                                LdapName distinguishedName = fixedLdapName(attribute);
                                Attributes nameAttributes = distinguishedName
                                        .getRdn(distinguishedName.size() - 1).toAttributes();

                                // Recognize user DNs
                                if (distinguishedNameForComparison.startsWith(userDistinguishedNamePrefix)
                                        && (nameAttribute = nameAttributes
                                                .get(LDAPUserRegistry.this.userIdAttributeName)) != null) {
                                    if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                        LDAPUserRegistry.logger
                                                .debug("User DN recognized: " + nameAttribute.get());
                                    }
                                    childAssocs.add((String) nameAttribute.get());
                                    continue;
                                }

                                // Recognize group DNs
                                if (distinguishedNameForComparison.startsWith(groupDistinguishedNamePrefix)
                                        && (nameAttribute = nameAttributes
                                                .get(LDAPUserRegistry.this.groupIdAttributeName)) != null) {
                                    if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                        LDAPUserRegistry.logger.debug(
                                                "Group DN recognized: " + "GROUP_" + nameAttribute.get());
                                    }
                                    childAssocs.add("GROUP_" + nameAttribute.get());
                                    continue;
                                }
                            }

                            // If we can't determine the name and type from the DN alone, try a directory lookup
                            if (distinguishedNameForComparison.startsWith(userDistinguishedNamePrefix)
                                    || distinguishedNameForComparison
                                            .startsWith(groupDistinguishedNamePrefix)) {
                                try {
                                    Attributes childAttributes = this.ctx.getAttributes(jndiName(attribute),
                                            new String[] { "objectclass",
                                                    LDAPUserRegistry.this.groupIdAttributeName,
                                                    LDAPUserRegistry.this.userIdAttributeName });
                                    Attribute objectClass = childAttributes.get("objectclass");
                                    if (hasAttributeValue(objectClass, LDAPUserRegistry.this.personType)) {
                                        nameAttribute = childAttributes
                                                .get(LDAPUserRegistry.this.userIdAttributeName);
                                        if (nameAttribute == null) {
                                            if (LDAPUserRegistry.this.errorOnMissingUID) {
                                                throw new AlfrescoRuntimeException(
                                                        "User missing user id attribute DN =" + attribute
                                                                + "  att = "
                                                                + LDAPUserRegistry.this.userIdAttributeName);
                                            } else {
                                                LDAPUserRegistry.logger
                                                        .warn("User missing user id attribute DN =" + attribute
                                                                + "  att = "
                                                                + LDAPUserRegistry.this.userIdAttributeName);
                                                continue;
                                            }
                                        }
                                        if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                            LDAPUserRegistry.logger
                                                    .debug("User DN recognized by directory lookup: "
                                                            + nameAttribute.get());
                                        }
                                        childAssocs.add((String) nameAttribute.get());
                                        continue;
                                    } else if (hasAttributeValue(objectClass,
                                            LDAPUserRegistry.this.groupType)) {
                                        nameAttribute = childAttributes
                                                .get(LDAPUserRegistry.this.groupIdAttributeName);
                                        if (nameAttribute == null) {
                                            if (LDAPUserRegistry.this.errorOnMissingGID) {
                                                Object[] params = { result.getNameInNamespace(),
                                                        LDAPUserRegistry.this.groupIdAttributeName };
                                                throw new AlfrescoRuntimeException(
                                                        "synchronization.err.ldap.get.group.id.missing",
                                                        params);
                                            } else {
                                                LDAPUserRegistry.logger.warn(
                                                        "Missing GID3 on " + distinguishedNameForComparison
                                                                + " attributes:" + childAttributes);
                                                continue;
                                            }
                                        }
                                        if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                            LDAPUserRegistry.logger
                                                    .debug("Group DN recognized by directory lookup: "
                                                            + "GROUP_" + nameAttribute.get());
                                        }
                                        childAssocs.add("GROUP_" + nameAttribute.get());
                                        continue;
                                    }
                                } catch (NamingException e) {
                                    // Unresolvable name
                                    if (LDAPUserRegistry.this.errorOnMissingMembers) {
                                        Object[] params = { groupShortName, attribute,
                                                e.getLocalizedMessage() };
                                        throw new AlfrescoRuntimeException(
                                                "synchronization.err.ldap.group.member.missing.exception",
                                                params, e);
                                    }
                                    LDAPUserRegistry.logger.warn("Failed to resolve member of group '"
                                            + groupShortName + "' with distinguished name: " + attribute, e);
                                    continue;
                                }
                            }
                            if (LDAPUserRegistry.this.errorOnMissingMembers) {
                                Object[] params = { groupShortName, attribute };
                                throw new AlfrescoRuntimeException(
                                        "synchronization.err.ldap.group.member.missing", params);
                            }
                            LDAPUserRegistry.logger.warn("Failed to resolve member of group '" + groupShortName
                                    + "' with distinguished name: " + attribute);
                        } catch (InvalidNameException e) {
                            // The member attribute didn't parse as a DN. So assume we have a group class like
                            // posixGroup (FDS) that directly lists user names
                            if (LDAPUserRegistry.logger.isDebugEnabled()) {
                                LDAPUserRegistry.logger
                                        .debug("Member DN recognized as posixGroup: " + attribute);
                            }
                            childAssocs.add(attribute);
                        }
                    }
                }

                // If we are using attribute matching and we haven't got to the end (indicated by an asterisk),
                // fetch the next batch
                if (nextStart > 0 && !LDAPUserRegistry.PATTERN_RANGE_END
                        .matcher(memAttribute.getID().toLowerCase()).find()) {
                    Attributes childAttributes = this.ctx.getAttributes(jndiName(result.getNameInNamespace()),
                            new String[] { LDAPUserRegistry.this.memberAttributeName + ";range=" + nextStart
                                    + '-' + (nextStart + LDAPUserRegistry.this.attributeBatchSize - 1) });
                    memAttribute = getRangeRestrictedAttribute(childAttributes,
                            LDAPUserRegistry.this.memberAttributeName);
                    nextStart += LDAPUserRegistry.this.attributeBatchSize;
                } else {
                    memAttribute = null;
                }
            }
        }

        public void close() throws NamingException {
            this.ctx.close();
        }
    }, this.groupSearchBase, query, this.groupKeys.getFirst());

    if (LDAPUserRegistry.logger.isDebugEnabled()) {
        LDAPUserRegistry.logger.debug("Found " + lookup.size());
    }

    return lookup.values();
}

From source file:org.wso2.carbon.user.core.ldap.ReadOnlyLDAPUserStoreManager.java

/**
 * @param groupDNs/*from  w  w  w. ja  v a  2 s .c o m*/
 * @return
 * @throws UserStoreException
 */
private List<String> getGroupNameAttributeValuesOfGroups(List<LdapName> groupDNs) throws UserStoreException {
    log.debug("GetGroupNameAttributeValuesOfGroups with DN");
    boolean debug = log.isDebugEnabled();
    // get the DNs of the groups to which user belongs to, as per the search
    // parameters
    String groupNameAttribute = realmConfig.getUserStoreProperty(LDAPConstants.GROUP_NAME_ATTRIBUTE);
    String[] returnedAttributes = { groupNameAttribute };
    List<String> groupNameAttributeValues = new ArrayList<String>();
    DirContext dirContext = null;
    try {
        dirContext = this.connectionSource.getContext();

        for (LdapName group : groupDNs) {
            if (!isInSearchBase(group, new LdapName(groupSearchBase))) {
                // ignore those groups outside the group search base
                continue;
            }
            if (debug) {
                log.debug("Using DN: " + group);
            }

            Rdn rdn = group.getRdn(group.getRdns().size() - 1);
            // get the last element of the RDNs.

            if (rdn.getType().equalsIgnoreCase(groupNameAttribute)) {
                /*
                * Checking to see if the required information can be retrieved from the RDN
                * If so, we can add that value and continue without creating an LDAP context
                * Connection
                * */
                groupNameAttributeValues.add(rdn.getValue().toString());
                continue;
            }

            Attributes groupAttributes = dirContext.getAttributes(group, returnedAttributes);
            if (groupAttributes != null) {
                Attribute groupAttribute = groupAttributes.get(groupNameAttribute);
                if (groupAttribute != null) {
                    String groupNameAttributeValue = (String) groupAttribute.get();
                    if (debug) {
                        log.debug(groupNameAttribute + " : " + groupNameAttributeValue);
                    }
                    groupNameAttributeValues.add(groupNameAttributeValue);
                }
            }
        }
    } catch (UserStoreException e) {
        String errorMessage = "Error in getting group name attribute values of groups";
        if (log.isDebugEnabled()) {
            log.debug(errorMessage, e);
        }
        throw new UserStoreException(errorMessage, e);
    } catch (NamingException e) {
        String errorMessage = "Error in getting group name attribute values of groups";
        if (log.isDebugEnabled()) {
            log.debug(errorMessage, e);
        }
        throw new UserStoreException(errorMessage, e);
    } finally {
        JNDIUtil.closeContext(dirContext);
    }
    return groupNameAttributeValues;
}