Examples with StringUtils.isBlank org.apache.commons.lang3.StringUtils.isBlank used on opensource projects

Example 31 with StringUtils.isBlank

use of org.apache.commons.lang3.StringUtils.isBlank in project nifi-registry by apache.

the class LdapUserGroupProvider method load.

/**
 * Reloads the tenants.
 */
private void load(final ContextSource contextSource) {
    // create the ldapTemplate based on the context source. use a single source context to use the same connection
    // to support paging when configured
    final SingleContextSource singleContextSource = new SingleContextSource(contextSource.getReadOnlyContext());
    final LdapTemplate ldapTemplate = new LdapTemplate(singleContextSource);
    try {
        final List<User> userList = new ArrayList<>();
        final List<Group> groupList = new ArrayList<>();
        // group dn -> user identifiers lookup
        final Map<String, Set<String>> groupToUserIdentifierMappings = new HashMap<>();
        // user dn -> user lookup
        final Map<String, User> userLookup = new HashMap<>();
        if (performUserSearch) {
            // search controls
            final SearchControls userControls = new SearchControls();
            userControls.setSearchScope(userSearchScope.ordinal());
            // consider paging support for users
            final DirContextProcessor userProcessor;
            if (pageSize == null) {
                userProcessor = new NullDirContextProcessor();
            } else {
                userProcessor = new PagedResultsDirContextProcessor(pageSize);
            }
            // looking for objects matching the user object class
            final AndFilter userFilter = new AndFilter();
            userFilter.and(new EqualsFilter("objectClass", userObjectClass));
            // if a filter has been provided by the user, we add it to the filter
            if (StringUtils.isNotBlank(userSearchFilter)) {
                userFilter.and(new HardcodedFilter(userSearchFilter));
            }
            do {
                userList.addAll(ldapTemplate.search(userSearchBase, userFilter.encode(), userControls, new AbstractContextMapper<User>() {

                    @Override
                    protected User doMapFromContext(DirContextOperations ctx) {
                        // get the user identity
                        final String identity = getUserIdentity(ctx);
                        // build the user
                        final User user = new User.Builder().identifierGenerateFromSeed(identity).identity(identity).build();
                        // store the user for group member later
                        userLookup.put(getReferencedUserValue(ctx), user);
                        if (StringUtils.isNotBlank(userGroupNameAttribute)) {
                            final Attribute attributeGroups = ctx.getAttributes().get(userGroupNameAttribute);
                            if (attributeGroups == null) {
                                logger.warn("User group name attribute [" + userGroupNameAttribute + "] does not exist. Ignoring group membership.");
                            } else {
                                try {
                                    final NamingEnumeration<String> groupValues = (NamingEnumeration<String>) attributeGroups.getAll();
                                    while (groupValues.hasMoreElements()) {
                                        // store the group -> user identifier mapping
                                        groupToUserIdentifierMappings.computeIfAbsent(groupValues.next(), g -> new HashSet<>()).add(user.getIdentifier());
                                    }
                                } catch (NamingException e) {
                                    throw new AuthorizationAccessException("Error while retrieving user group name attribute [" + userIdentityAttribute + "].");
                                }
                            }
                        }
                        return user;
                    }
                }, userProcessor));
            } while (hasMorePages(userProcessor));
        }
        if (performGroupSearch) {
            final SearchControls groupControls = new SearchControls();
            groupControls.setSearchScope(groupSearchScope.ordinal());
            // consider paging support for groups
            final DirContextProcessor groupProcessor;
            if (pageSize == null) {
                groupProcessor = new NullDirContextProcessor();
            } else {
                groupProcessor = new PagedResultsDirContextProcessor(pageSize);
            }
            // looking for objects matching the group object class
            AndFilter groupFilter = new AndFilter();
            groupFilter.and(new EqualsFilter("objectClass", groupObjectClass));
            // if a filter has been provided by the user, we add it to the filter
            if (StringUtils.isNotBlank(groupSearchFilter)) {
                groupFilter.and(new HardcodedFilter(groupSearchFilter));
            }
            do {
                groupList.addAll(ldapTemplate.search(groupSearchBase, groupFilter.encode(), groupControls, new AbstractContextMapper<Group>() {

                    @Override
                    protected Group doMapFromContext(DirContextOperations ctx) {
                        final String dn = ctx.getDn().toString();
                        // get the group identity
                        final String name = getGroupName(ctx);
                        // get the value of this group that may associate it to users
                        final String referencedGroupValue = getReferencedGroupValue(ctx);
                        if (!StringUtils.isBlank(groupMemberAttribute)) {
                            Attribute attributeUsers = ctx.getAttributes().get(groupMemberAttribute);
                            if (attributeUsers == null) {
                                logger.warn("Group member attribute [" + groupMemberAttribute + "] does not exist. Ignoring group membership.");
                            } else {
                                try {
                                    final NamingEnumeration<String> userValues = (NamingEnumeration<String>) attributeUsers.getAll();
                                    while (userValues.hasMoreElements()) {
                                        final String userValue = userValues.next();
                                        if (performUserSearch) {
                                            // find the user by it's referenced attribute and add the identifier to this group
                                            final User user = userLookup.get(userValue);
                                            // ensure the user is known
                                            if (user != null) {
                                                groupToUserIdentifierMappings.computeIfAbsent(referencedGroupValue, g -> new HashSet<>()).add(user.getIdentifier());
                                            } else {
                                                logger.warn(String.format("%s contains member %s but that user was not found while searching users. Ignoring group membership.", name, userValue));
                                            }
                                        } else {
                                            // since performUserSearch is false, then the referenced group attribute must be blank... the user value must be the dn
                                            final String userDn = userValue;
                                            final String userIdentity;
                                            if (useDnForUserIdentity) {
                                                // use the user value to avoid the unnecessary look up
                                                userIdentity = userDn;
                                            } else {
                                                // lookup the user to extract the user identity
                                                userIdentity = getUserIdentity((DirContextAdapter) ldapTemplate.lookup(userDn));
                                            }
                                            // build the user
                                            final User user = new User.Builder().identifierGenerateFromSeed(userIdentity).identity(userIdentity).build();
                                            // add this user
                                            userList.add(user);
                                            groupToUserIdentifierMappings.computeIfAbsent(referencedGroupValue, g -> new HashSet<>()).add(user.getIdentifier());
                                        }
                                    }
                                } catch (NamingException e) {
                                    throw new AuthorizationAccessException("Error while retrieving group name attribute [" + groupNameAttribute + "].");
                                }
                            }
                        }
                        // build this group
                        final Group.Builder groupBuilder = new Group.Builder().identifierGenerateFromSeed(name).name(name);
                        // add all users that were associated with this referenced group attribute
                        if (groupToUserIdentifierMappings.containsKey(referencedGroupValue)) {
                            groupToUserIdentifierMappings.remove(referencedGroupValue).forEach(userIdentifier -> groupBuilder.addUser(userIdentifier));
                        }
                        return groupBuilder.build();
                    }
                }, groupProcessor));
            } while (hasMorePages(groupProcessor));
            // any remaining groupDn's were referenced by a user but not found while searching groups
            groupToUserIdentifierMappings.forEach((referencedGroupValue, userIdentifiers) -> {
                logger.warn(String.format("[%s] are members of %s but that group was not found while searching users. Ignoring group membership.", StringUtils.join(userIdentifiers, ", "), referencedGroupValue));
            });
        } else {
            // since performGroupSearch is false, then the referenced user attribute must be blank... the group value must be the dn
            // groups are not being searched so lookup any groups identified while searching users
            groupToUserIdentifierMappings.forEach((groupDn, userIdentifiers) -> {
                final String groupName;
                if (useDnForGroupName) {
                    // use the dn to avoid the unnecessary look up
                    groupName = groupDn;
                } else {
                    groupName = getGroupName((DirContextAdapter) ldapTemplate.lookup(groupDn));
                }
                // define the group
                final Group.Builder groupBuilder = new Group.Builder().identifierGenerateFromSeed(groupName).name(groupName);
                // add each user
                userIdentifiers.forEach(userIdentifier -> groupBuilder.addUser(userIdentifier));
                // build the group
                groupList.add(groupBuilder.build());
            });
        }
        // record the updated tenants
        tenants.set(new TenantHolder(new HashSet<>(userList), new HashSet<>(groupList)));
    } finally {
        singleContextSource.destroy();
    }
}

Example 32 with StringUtils.isBlank

use of org.apache.commons.lang3.StringUtils.isBlank in project nifi-registry by apache.

the class CryptoKeyLoader method extractKeyFromBootstrapFile.

/**
 * Returns the key (if any) used to encrypt sensitive properties.
 * The key extracted from the bootstrap.conf file at the specified location.
 *
 * @param bootstrapPath the path to the bootstrap file
 * @return the key in hexadecimal format, or {@link CryptoKeyProvider#EMPTY_KEY} if the key is null or empty
 * @throws IOException if the file is not readable
 */
public static String extractKeyFromBootstrapFile(String bootstrapPath) throws IOException {
    File bootstrapFile;
    if (StringUtils.isBlank(bootstrapPath)) {
        logger.error("Cannot read from bootstrap.conf file to extract encryption key; location not specified");
        throw new IOException("Cannot read from bootstrap.conf without file location");
    } else {
        bootstrapFile = new File(bootstrapPath);
    }
    String keyValue;
    if (bootstrapFile.exists() && bootstrapFile.canRead()) {
        try (Stream<String> stream = Files.lines(Paths.get(bootstrapFile.getAbsolutePath()))) {
            Optional<String> keyLine = stream.filter(l -> l.startsWith(BOOTSTRAP_KEY_PREFIX)).findFirst();
            if (keyLine.isPresent()) {
                keyValue = keyLine.get().split("=", 2)[1];
                keyValue = checkHexKey(keyValue);
            } else {
                keyValue = CryptoKeyProvider.EMPTY_KEY;
            }
        } catch (IOException e) {
            logger.error("Cannot read from bootstrap.conf file at {} to extract encryption key", bootstrapFile.getAbsolutePath());
            throw new IOException("Cannot read from bootstrap.conf", e);
        }
    } else {
        logger.error("Cannot read from bootstrap.conf file at {} to extract encryption key -- file is missing or permissions are incorrect", bootstrapFile.getAbsolutePath());
        throw new IOException("Cannot read from bootstrap.conf");
    }
    if (CryptoKeyProvider.EMPTY_KEY.equals(keyValue)) {
        logger.info("No encryption key present in the bootstrap.conf file at {}", bootstrapFile.getAbsolutePath());
    }
    return keyValue;
}

Example 33 with StringUtils.isBlank

use of org.apache.commons.lang3.StringUtils.isBlank in project timbuctoo by HuygensING.

the class TabularUpload method upload.

@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces(MediaType.APPLICATION_JSON)
@POST
public Response upload(@FormDataParam("file") final InputStream rdfInputStream, @FormDataParam("file") final FormDataBodyPart body, @FormDataParam("file") final FormDataContentDisposition fileInfo, @FormDataParam("fileMimeTypeOverride") final MediaType mimeTypeOverride, FormDataMultiPart formData, @HeaderParam("authorization") final String authHeader, @PathParam("userId") final String ownerId, @PathParam("dataSetId") final String dataSetId, @QueryParam("forceCreation") boolean forceCreation) throws DataStoreCreationException, FileStorageFailedException, ExecutionException, InterruptedException, LogStorageFailedException {
    final Either<Response, Response> result = authCheck.getOrCreate(authHeader, ownerId, dataSetId, forceCreation).flatMap(userAndDs -> authCheck.hasAdminAccess(userAndDs.getLeft(), userAndDs.getRight())).map(userAndDs -> {
        final MediaType mediaType = mimeTypeOverride == null ? body.getMediaType() : mimeTypeOverride;
        Optional<Loader> loader = LoaderFactory.createFor(mediaType.toString(), formData.getFields().entrySet().stream().filter(entry -> entry.getValue().size() > 0).filter(entry -> entry.getValue().get(0) != null).filter(entry -> MediaTypes.typeEqual(MediaType.TEXT_PLAIN_TYPE, entry.getValue().get(0).getMediaType())).collect(Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().get(0).getValue())));
        if (!loader.isPresent()) {
            return errorResponseHelper.error(400, "We do not support the mediatype '" + mediaType + "'. Make sure to add the correct mediatype to the file " + "parameter. In curl you'd use `-F \"file=@<filename>;type=<mediatype>\"`. In a webbrowser you probably " + "have no way of setting the correct mimetype. So you can use a special parameter to override it: " + "`formData.append(\"fileMimeTypeOverride\", \"<mimetype>\");`");
        }
        final DataSet dataSet = userAndDs.getRight();
        ImportManager importManager = dataSet.getImportManager();
        if (StringUtils.isBlank(fileInfo.getName())) {
            return Response.status(400).entity("filename cannot be empty.").build();
        }
        try {
            String fileToken = importManager.addFile(rdfInputStream, fileInfo.getFileName(), mediaType);
            Future<ImportStatus> promise = importManager.generateLog(dataSet.getMetadata().getBaseUri(), dataSet.getMetadata().getBaseUri(), new TabularRdfCreator(loader.get(), fileToken, fileInfo.getFileName()));
            return handleImportManagerResult(promise);
        } catch (FileStorageFailedException | LogStorageFailedException e) {
            LOG.error("Tabular upload failed", e);
            return Response.serverError().build();
        }
    });
    if (result.isLeft()) {
        return result.getLeft();
    } else {
        return result.get();
    }
}

Example 34 with StringUtils.isBlank

use of org.apache.commons.lang3.StringUtils.isBlank in project mule by mulesoft.

the class XmlExtensionLoaderDelegate method declareErrorModels.

private void declareErrorModels(OperationDeclarer operationDeclarer, XmlDslModel xmlDslModel, String operationName, ComponentModel operationModel) {
    Optional<ComponentModel> optionalParametersComponentModel = operationModel.getInnerComponents().stream().filter(child -> child.getIdentifier().equals(OPERATION_ERRORS_IDENTIFIER)).findAny();
    optionalParametersComponentModel.ifPresent(componentModel -> componentModel.getInnerComponents().stream().filter(child -> child.getIdentifier().equals(OPERATION_ERROR_IDENTIFIER)).forEach(param -> {
        final String namespace = xmlDslModel.getPrefix().toUpperCase();
        final String typeName = param.getParameters().get(ERROR_TYPE_ATTRIBUTE);
        if (StringUtils.isBlank(typeName)) {
            throw new IllegalModelDefinitionException(format("The operation [%s] cannot have an <error> with an empty 'type' attribute", operationName));
        }
        if (typeName.contains(NAMESPACE_SEPARATOR)) {
            throw new IllegalModelDefinitionException(format("The operation [%s] cannot have an <error> [%s] that contains a reserved character [%s]", operationName, typeName, NAMESPACE_SEPARATOR));
        }
        operationDeclarer.withErrorModel(ErrorModelBuilder.newError(typeName, namespace).withParent(ErrorModelBuilder.newError(ANY).build()).build());
    }));
}

Example 35 with StringUtils.isBlank

use of org.apache.commons.lang3.StringUtils.isBlank in project stanbol by apache.

the class KiWiRepositoryService method activate.

@Activate
protected final void activate(ComponentContext context) throws ConfigurationException, RepositoryException {
    log.info("activate KiWi repository ...");
    if (context == null || context.getProperties() == null) {
        throw new IllegalStateException("No valid" + ComponentContext.class + " parsed in activate!");
    }
    //copy the read-only configuration as we might need to change it before
    //adding it to the registered service
    final Dictionary<String, Object> config = copyConfig(context);
    final BundleContext bc = context.getBundleContext();
    //we want to substitute variables used in the dbURL with configuration, 
    //framework and system properties
    StrSubstitutor strSubstitutor = new StrSubstitutor(new StrLookup<Object>() {

        @Override
        public String lookup(String key) {
            Object val = config.get(key);
            if (val == null) {
                val = bc.getProperty(key);
            }
            return val.toString();
        }
    });
    String name = (String) config.get(REPOSITORY_ID);
    if (StringUtils.isBlank(name)) {
        throw new ConfigurationException(REPOSITORY_ID, "The parsed Repository ID MUST NOT be NULL nor blank!");
    } else {
        log.debug(" - name: {}", name);
    }
    KiWiDialect dialect;
    String db_type;
    if (StringUtils.equalsIgnoreCase("postgres", (String) config.get(DB_DIALECT))) {
        dialect = new PostgreSQLDialect();
        db_type = "postgresql";
    } else if (StringUtils.equalsIgnoreCase("mysql", (String) config.get(DB_DIALECT))) {
        dialect = new MySQLDialect();
        db_type = "mysql";
    } else if (StringUtils.equalsIgnoreCase("h2", (String) config.get(DB_DIALECT))) {
        dialect = new H2Dialect();
        db_type = "h2";
    } else {
        throw new ConfigurationException(DB_DIALECT, "No valid database dialect was given");
    }
    log.debug(" - dialect: {}", dialect);
    String db_url = (String) config.get(DB_URL);
    if (StringUtils.isBlank(db_url)) {
        //build the db url from parameters
        String db_host = (String) config.get(DB_HOST);
        if (StringUtils.isBlank(db_host)) {
            db_host = DEFAULT_DB_HOST;
        }
        log.debug(" - db host: {}", db_host);
        String db_name = (String) config.get(DB_NAME);
        if (StringUtils.isBlank(db_name)) {
            db_name = DEFAULT_DB_NAME;
        }
        log.debug(" - db name:  {}", name);
        int db_port;
        Object value = config.get(DB_PORT);
        if (value instanceof Number) {
            db_port = ((Number) value).intValue();
        } else if (value != null && !StringUtils.isBlank(value.toString())) {
            db_port = Integer.parseInt(value.toString());
        } else {
            db_port = DEFAULT_DB_PORT;
        }
        log.debug(" - db port: {}", db_port);
        String db_opts = (String) config.get(DB_OPTS);
        log.debug(" - db options: {}", db_opts);
        StringBuilder dbUrlBuilder = new StringBuilder("jdbc:").append(db_type);
        if (dialect instanceof H2Dialect) {
            //H2 uses a file path and not a host so we do not need the ://
            dbUrlBuilder.append(':').append(db_host);
        } else {
            dbUrlBuilder.append("://").append(db_host);
        }
        if (db_port > 0) {
            dbUrlBuilder.append(':').append(db_port);
        }
        if (!StringUtils.isBlank(db_name)) {
            dbUrlBuilder.append('/').append(db_name);
        }
        if (!StringUtils.isBlank(db_opts)) {
            dbUrlBuilder.append(db_opts);
        }
        dbUrl = strSubstitutor.replace(dbUrlBuilder);
    } else if (!db_url.startsWith("jdbc:")) {
        throw new ConfigurationException(DB_URL, "Database URLs are expected to start with " + "'jdbc:' (parsed: '" + db_url + "')!");
    } else {
        dbUrl = strSubstitutor.replace(db_url);
    }
    String db_user = (String) config.get(DB_USER);
    if (StringUtils.isBlank(db_user)) {
        db_user = DEFAULT_DB_USER;
    } else {
        db_user = strSubstitutor.replace(db_user);
    }
    log.debug(" - db user: {}", db_user);
    String db_pass = (String) config.get(DB_PASS);
    if (StringUtils.isBlank(db_pass)) {
        log.debug(" - db pwd is set to default");
        db_pass = DEFAULT_DB_PASS;
    } else {
        log.debug(" - db pwd is set to parsed value");
    }
    KiWiConfiguration configuration = new KiWiConfiguration("Marmotta KiWi", dbUrl, db_user, db_pass, dialect);
    //parse cluster options
    String cluster = (String) config.get(CLUSTER);
    if (!StringUtils.isBlank(cluster)) {
        log.debug(" - cluster: {}", cluster);
        configuration.setClustered(true);
        configuration.setClusterName(cluster);
        String clusterAddress = (String) config.get(CLUSTER_ADDRESS);
        if (!StringUtils.isBlank(clusterAddress)) {
            configuration.setClusterAddress(strSubstitutor.replace(clusterAddress));
        }
        log.debug(" - cluster address: {}", configuration.getClusterAddress());
        Object clusterPort = config.get(CLUSTER_PORT);
        if (clusterPort instanceof Number) {
            int port = ((Number) clusterPort).intValue();
            if (port > 0) {
                configuration.setClusterPort(port);
            }
        //else use default
        } else if (clusterPort != null) {
            try {
                int port = Integer.parseInt(strSubstitutor.replace(clusterPort));
                if (port > 0) {
                    configuration.setClusterPort(port);
                }
            } catch (NumberFormatException e) {
                throw new ConfigurationException(CLUSTER_PORT, "Unable to parse " + "Cluster Port from configured value '" + clusterPort + "'!", e);
            }
        }
        log.debug(" - cluster port ({})", configuration.getClusterPort());
        String cachingBackend = (String) config.get(CACHING_BACKEND);
        if (StringUtils.isBlank(cachingBackend)) {
            configuration.setCachingBackend(CachingBackends.valueOf(DEFAULT_CACHING_BACKEND));
        } else {
            try {
                configuration.setCachingBackend(CachingBackends.valueOf(strSubstitutor.replace(cachingBackend)));
            } catch (IllegalArgumentException e) {
                throw new ConfigurationException(CACHING_BACKEND, "Unsupported CachingBackend '" + cachingBackend + "' (supported: " + Arrays.toString(CachingBackends.values()) + ")!", e);
            }
        }
        log.debug(" - caching Backend: {}", configuration.getCachingBackend());
        String cacheMode = (String) config.get(CACHE_MODE);
        if (StringUtils.isBlank(cacheMode)) {
            cacheMode = DEFAULT_CACHE_MODE;
        }
        try {
            configuration.setCacheMode(CacheMode.valueOf(strSubstitutor.replace(cacheMode)));
        } catch (IllegalArgumentException e) {
            throw new ConfigurationException(CACHE_MODE, "Unsupported CacheMode '" + cacheMode + "' (supported: " + Arrays.toString(CacheMode.values()) + ")!");
        }
        log.debug(" - cache mode: {}", configuration.getCacheMode());
    } else {
        // not clustered
        log.debug(" - no cluster configured");
        configuration.setClustered(false);
    }
    log.info(" ... initialise KiWi repository: {}", dbUrl);
    KiWiStore store = new KiWiStore(configuration);
    repository = new SailRepository(new KiWiSparqlSail(store));
    repository.initialize();
    //set the repository type property to KiWiStore
    config.put(SAIL_IMPL, KiWiStore.class.getName());
    repoRegistration = context.getBundleContext().registerService(Repository.class.getName(), repository, config);
    log.info("  - successfully registered KiWi Repository {}", name);
}