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dependency-check-utils is a collection of common utility classes used within dependency-check that might be useful in other projects.

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/*
 * This file is part of dependency-check-utils.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
 */
package org.owasp.dependencycheck.utils;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
import java.util.UUID;
import java.util.function.Predicate;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

/**
 * A simple settings container that wraps the dependencycheck.properties file.
 *
 * @author Jeremy Long
 * @version $Id: $Id
 */
public final class Settings {

    /**
     * The logger.
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(Settings.class);
    /**
     * The properties file location.
     */
    private static final String PROPERTIES_FILE = "dependencycheck.properties";
    /**
     * Array separator.
     */
    private static final String ARRAY_SEP = ",";
    /**
     * The properties.
     */
    private Properties props = null;
    /**
     * The collection of properties that should be masked when logged.
     */
    private List> maskedKeys;
    /**
     * A reference to the temporary directory; used in case it needs to be
     * deleted during cleanup.
     */
    private File tempDirectory = null;

    /**
     * Reference to a utility class used to convert objects to json.
     */
    private final ObjectMapper objectMapper = new ObjectMapper();

    //
    /**
     * The collection of keys used within the properties file.
     */
    //suppress hard-coded password rule
    @SuppressWarnings("squid:S2068")
    public static final class KEYS {

        /**
         * The key to obtain the application name.
         */
        public static final String APPLICATION_NAME = "odc.application.name";
        /**
         * The key to obtain the application version.
         */
        public static final String APPLICATION_VERSION = "odc.application.version";
        /**
         * The key to obtain the URL to retrieve the current release version
         * from.
         */
        public static final String ENGINE_VERSION_CHECK_URL = "engine.version.url";
        /**
         * The properties key indicating whether or not the cached data sources
         * should be updated.
         */
        public static final String AUTO_UPDATE = "odc.autoupdate";
        /**
         * The database driver class name. If this is not in the properties file
         * the embedded database is used.
         */
        public static final String DB_DRIVER_NAME = "data.driver_name";
        /**
         * The database driver class name. If this is not in the properties file
         * the embedded database is used.
         */
        public static final String DB_DRIVER_PATH = "data.driver_path";
        /**
         * The database connection string. If this is not in the properties file
         * the embedded database is used.
         */
        public static final String DB_CONNECTION_STRING = "data.connection_string";
        /**
         * The username to use when connecting to the database.
         */
        public static final String DB_USER = "data.user";
        /**
         * The password to authenticate to the database.
         */
        public static final String DB_PASSWORD = "data.password";
        /**
         * The base path to use for the data directory (for embedded db and
         * other cached resources from the Internet).
         */
        public static final String DATA_DIRECTORY = "data.directory";
        /**
         * The base path to use for the H2 data directory (for embedded db).
         */
        public static final String H2_DATA_DIRECTORY = "data.h2.directory";
        /**
         * The database file name.
         */
        public static final String DB_FILE_NAME = "data.file_name";
        /**
         * The database schema version.
         */
        public static final String DB_VERSION = "data.version";
        /**
         * The starts with filter used to exclude CVE entries from the database.
         * By default this is set to 'cpe:2.3:a:' which limits the CVEs imported
         * to just those that are related to applications. If this were set to
         * just 'cpe:2.3:' the OS, hardware, and application related CVEs would
         * be imported.
         */
        public static final String CVE_CPE_STARTS_WITH_FILTER = "cve.cpe.startswith.filter";
        /**
         * The NVD API Endpoint.
         */
        public static final String NVD_API_ENDPOINT = "nvd.api.endpoint";
        /**
         * API Key for the NVD API.
         */
        public static final String NVD_API_KEY = "nvd.api.key";
        /**
         * The delay between requests for the NVD API.
         */
        public static final String NVD_API_DELAY = "nvd.api.delay";
        /**
         * The maximum number of retry requests for a single call to the NVD
         * API.
         */
        public static final String NVD_API_MAX_RETRY_COUNT = "nvd.api.max.retry.count";
        /**
         * The properties key to control the skipping of the check for NVD
         * updates.
         */
        public static final String NVD_API_VALID_FOR_HOURS = "nvd.api.check.validforhours";
        /**
         * The properties key to control the results per page lower than NVD's default of 2000
         * See #6863 for the rationale on allowing lower configurations.
         */
        public static final String NVD_API_RESULTS_PER_PAGE = "nvd.api.results.per.page";
        /**
         * The properties key that indicates how often the NVD API data feed
         * needs to be updated before a full refresh is evaluated.
         */
        public static final String NVD_API_DATAFEED_VALID_FOR_DAYS = "nvd.api.datafeed.validfordays";
        /**
         * The URL for the NVD API Data Feed.
         */
        public static final String NVD_API_DATAFEED_URL = "nvd.api.datafeed.url";
        /**
         * The username to use when connecting to the NVD Data feed.
         */
        public static final String NVD_API_DATAFEED_USER = "nvd.api.datafeed.user";
        /**
         * The password to authenticate to the NVD Data feed.
         */
        public static final String NVD_API_DATAFEED_PASSWORD = "nvd.api.datafeed.password";
        /**
         * The starting year for the NVD CVE Data feed cache.
         */
        public static final String NVD_API_DATAFEED_START_YEAR = "nvd.api.datafeed.startyear";
        //END NEW
        /**
         * The key to determine if the NVD CVE analyzer is enabled.
         */
        public static final String ANALYZER_NVD_CVE_ENABLED = "analyzer.nvdcve.enabled";
        /**
         * The properties key that indicates how often the CPE data needs to be
         * updated.
         */
        public static final String CPE_MODIFIED_VALID_FOR_DAYS = "cpe.validfordays";
        /**
         * The properties key for the URL to retrieve the CPE.
         */
        public static final String CPE_URL = "cpe.url";
        /**
         * The properties key for the URL to retrieve the Known Exploited
         * Vulnerabilities..
         */
        public static final String KEV_URL = "kev.url";

        /**
         * The properties key for the hosted suppressions username.
         * For use when hosted suppressions are mirrored locally on a site requiring authentication
         */
        public static final String KEV_USER = "kev.user";

        /**
         * The properties key for the hosted suppressions password.
         * For use when hosted suppressions are mirrored locally on a site requiring authentication
         */
        public static final String KEV_PASSWORD = "kev.password";

        /**
         * The properties key to control the skipping of the check for Known
         * Exploited Vulnerabilities updates.
         */
        public static final String KEV_CHECK_VALID_FOR_HOURS = "kev.check.validforhours";
        /**
         * Whether or not if using basic auth with a proxy the system setting
         * 'jdk.http.auth.tunneling.disabledSchemes' should be set to an empty
         * string.
         */
        public static final String PROXY_DISABLE_SCHEMAS = "proxy.disableSchemas";
        /**
         * The properties key for the proxy server.
         */
        public static final String PROXY_SERVER = "proxy.server";
        /**
         * The properties key for the proxy port - this must be an integer
         * value.
         */
        public static final String PROXY_PORT = "proxy.port";
        /**
         * The properties key for the proxy username.
         */
        public static final String PROXY_USERNAME = "proxy.username";
        /**
         * The properties key for the proxy password.
         */
        public static final String PROXY_PASSWORD = "proxy.password";
        /**
         * The properties key for the non proxy hosts.
         */
        public static final String PROXY_NON_PROXY_HOSTS = "proxy.nonproxyhosts";
        /**
         * The properties key for the connection timeout.
         */
        public static final String CONNECTION_TIMEOUT = "connection.timeout";
        /**
         * The properties key for the connection read timeout.
         */
        public static final String CONNECTION_READ_TIMEOUT = "connection.read.timeout";
        /**
         * The location of the temporary directory.
         */
        public static final String TEMP_DIRECTORY = "temp.directory";
        /**
         * The maximum number of threads to allocate when downloading files.
         */
        public static final String MAX_DOWNLOAD_THREAD_POOL_SIZE = "max.download.threads";
        /**
         * The properties key for the analysis timeout.
         */
        public static final String ANALYSIS_TIMEOUT = "odc.analysis.timeout";
        /**
         * The key for the suppression file.
         */
        public static final String SUPPRESSION_FILE = "suppression.file";
        /**
         * The username used when connecting to the suppressionFiles.
         */
        public static final String SUPPRESSION_FILE_USER = "suppression.file.user";
        /**
         * The password used when connecting to the suppressionFiles.
         */
        public static final String SUPPRESSION_FILE_PASSWORD = "suppression.file.password";
        /**
         * The key for the whether the hosted suppressions file datasource is
         * enabled.
         */
        public static final String HOSTED_SUPPRESSIONS_ENABLED = "hosted.suppressions.enabled";
        /**
         * The key for the hosted suppressions file URL.
         */
        public static final String HOSTED_SUPPRESSIONS_URL = "hosted.suppressions.url";

        /**
         * The properties key for the hosted suppressions username.
         * For use when hosted suppressions are mirrored locally on a site requiring authentication
         */
        public static final String HOSTED_SUPPRESSIONS_USER = "hosted.suppressions.user";

        /**
         * The properties key for the hosted suppressions password.
         * For use when hosted suppressions are mirrored locally on a site requiring authentication
         */
        public static final String HOSTED_SUPPRESSIONS_PASSWORD = "hosted.suppressions.password";

        /**
         * The properties key for defining whether the hosted suppressions file
         * will be updated regardless of the autoupdate settings.
         */
        public static final String HOSTED_SUPPRESSIONS_FORCEUPDATE = "hosted.suppressions.forceupdate";

        /**
         * The properties key to control the skipping of the check for hosted
         * suppressions file updates.
         */
        public static final String HOSTED_SUPPRESSIONS_VALID_FOR_HOURS = "hosted.suppressions.validforhours";

        /**
         * The key for the hint file.
         */
        public static final String HINTS_FILE = "hints.file";
        /**
         * The key for the property that controls what CVSS scores are
         * considered failing test cases for the JUNIT repor.
         */
        public static final String JUNIT_FAIL_ON_CVSS = "junit.fail.on.cvss";

        /**
         * The properties key for whether the Jar Analyzer is enabled.
         */
        public static final String ANALYZER_JAR_ENABLED = "analyzer.jar.enabled";

        /**
         * The properties key for whether the Known Exploited Vulnerability
         * Analyzer is enabled.
         */
        public static final String ANALYZER_KNOWN_EXPLOITED_ENABLED = "analyzer.knownexploited.enabled";

        /**
         * The properties key for whether experimental analyzers are loaded.
         */
        public static final String ANALYZER_EXPERIMENTAL_ENABLED = "analyzer.experimental.enabled";
        /**
         * The properties key for whether experimental analyzers are loaded.
         */
        public static final String ANALYZER_RETIRED_ENABLED = "analyzer.retired.enabled";
        /**
         * The properties key for whether the Archive analyzer is enabled.
         */
        public static final String ANALYZER_ARCHIVE_ENABLED = "analyzer.archive.enabled";
        /**
         * The properties key for whether the node.js package analyzer is
         * enabled.
         */
        public static final String ANALYZER_NODE_PACKAGE_ENABLED = "analyzer.node.package.enabled";
        /**
         * The properties key for configure whether the Node Package analyzer
         * should skip devDependencies.
         */
        public static final String ANALYZER_NODE_PACKAGE_SKIPDEV = "analyzer.node.package.skipdev";
        /**
         * The properties key for whether the Node Audit analyzer is enabled.
         */
        public static final String ANALYZER_NODE_AUDIT_ENABLED = "analyzer.node.audit.enabled";
        /**
         * The properties key for whether the Yarn Audit analyzer is enabled.
         */
        public static final String ANALYZER_YARN_AUDIT_ENABLED = "analyzer.yarn.audit.enabled";
        /**
         * The properties key for whether the Pnpm Audit analyzer is enabled.
         */
        public static final String ANALYZER_PNPM_AUDIT_ENABLED = "analyzer.pnpm.audit.enabled";
        /**
         * The properties key for supplying the URL to the Node Audit API.
         */
        public static final String ANALYZER_NODE_AUDIT_URL = "analyzer.node.audit.url";
        /**
         * The properties key for configure whether the Node Audit analyzer
         * should skip devDependencies.
         */
        public static final String ANALYZER_NODE_AUDIT_SKIPDEV = "analyzer.node.audit.skipdev";
        /**
         * The properties key for whether node audit analyzer results will be
         * cached.
         */
        public static final String ANALYZER_NODE_AUDIT_USE_CACHE = "analyzer.node.audit.use.cache";
        /**
         * The properties key for whether the RetireJS analyzer is enabled.
         */
        public static final String ANALYZER_RETIREJS_ENABLED = "analyzer.retirejs.enabled";
        /**
         * The properties key for whether the RetireJS analyzer file content
         * filters.
         */
        public static final String ANALYZER_RETIREJS_FILTERS = "analyzer.retirejs.filters";
        /**
         * The properties key for whether the RetireJS analyzer should filter
         * out non-vulnerable dependencies.
         */
        public static final String ANALYZER_RETIREJS_FILTER_NON_VULNERABLE = "analyzer.retirejs.filternonvulnerable";
        /**
         * The properties key for defining the URL to the RetireJS repository.
         */
        public static final String ANALYZER_RETIREJS_REPO_JS_URL = "analyzer.retirejs.repo.js.url";
        /**
         * The properties key for the Nexus search credentials username.
         */
        public static final String ANALYZER_RETIREJS_REPO_JS_USER = "analyzer.retirejs.repo.js.username";
        /**
         * The properties key for the Nexus search credentials password.
         */
        public static final String ANALYZER_RETIREJS_REPO_JS_PASSWORD = "analyzer.retirejs.repo.js.password";
        /**
         * The properties key for defining whether the RetireJS repository will
         * be updated regardless of the autoupdate settings.
         */
        public static final String ANALYZER_RETIREJS_FORCEUPDATE = "analyzer.retirejs.forceupdate";
        /**
         * The properties key to control the skipping of the check for CVE
         * updates.
         */
        public static final String ANALYZER_RETIREJS_REPO_VALID_FOR_HOURS = "analyzer.retirejs.repo.validforhours";
        /**
         * The properties key for whether the PHP composer lock file analyzer is
         * enabled.
         */
        public static final String ANALYZER_COMPOSER_LOCK_ENABLED = "analyzer.composer.lock.enabled";
        /**
         * The properties key for whether the PHP composer lock file analyzer 
         * should skip dev packages.
         */
        public static final String ANALYZER_COMPOSER_LOCK_SKIP_DEV = "analyzer.composer.lock.skipdev";
        /**
         * The properties key for whether the Perl CPAN file file analyzer is
         * enabled.
         */
        public static final String ANALYZER_CPANFILE_ENABLED = "analyzer.cpanfile.enabled";
        /**
         * The properties key for whether the Python Distribution analyzer is
         * enabled.
         */
        public static final String ANALYZER_PYTHON_DISTRIBUTION_ENABLED = "analyzer.python.distribution.enabled";
        /**
         * The properties key for whether the Python Package analyzer is
         * enabled.
         */
        public static final String ANALYZER_PYTHON_PACKAGE_ENABLED = "analyzer.python.package.enabled";
        /**
         * The properties key for whether the Elixir mix audit analyzer is
         * enabled.
         */
        public static final String ANALYZER_MIX_AUDIT_ENABLED = "analyzer.mix.audit.enabled";
        /**
         * The path to mix_audit, if available.
         */
        public static final String ANALYZER_MIX_AUDIT_PATH = "analyzer.mix.audit.path";
        /**
         * The properties key for whether the Golang Mod analyzer is enabled.
         */
        public static final String ANALYZER_GOLANG_MOD_ENABLED = "analyzer.golang.mod.enabled";
        /**
         * The path to go, if available.
         */
        public static final String ANALYZER_GOLANG_PATH = "analyzer.golang.path";
        /**
         * The path to go, if available.
         */
        public static final String ANALYZER_YARN_PATH = "analyzer.yarn.path";
        /**
         * The path to pnpm, if available.
         */
        public static final String ANALYZER_PNPM_PATH = "analyzer.pnpm.path";
        /**
         * The properties key for whether the Golang Dep analyzer is enabled.
         */
        public static final String ANALYZER_GOLANG_DEP_ENABLED = "analyzer.golang.dep.enabled";
        /**
         * The properties key for whether the Ruby Gemspec Analyzer is enabled.
         */
        public static final String ANALYZER_RUBY_GEMSPEC_ENABLED = "analyzer.ruby.gemspec.enabled";
        /**
         * The properties key for whether the Autoconf analyzer is enabled.
         */
        public static final String ANALYZER_AUTOCONF_ENABLED = "analyzer.autoconf.enabled";
        /**
         * The properties key for whether the maven_install.json analyzer is
         * enabled.
         */
        public static final String ANALYZER_MAVEN_INSTALL_ENABLED = "analyzer.maveninstall.enabled";
        /**
         * The properties key for whether the pip analyzer is enabled.
         */
        public static final String ANALYZER_PIP_ENABLED = "analyzer.pip.enabled";
        /**
         * The properties key for whether the pipfile analyzer is enabled.
         */
        public static final String ANALYZER_PIPFILE_ENABLED = "analyzer.pipfile.enabled";
        /**
         * The properties key for whether the Poetry analyzer is enabled.
         */
        public static final String ANALYZER_POETRY_ENABLED = "analyzer.poetry.enabled";
        /**
         * The properties key for whether the CMake analyzer is enabled.
         */
        public static final String ANALYZER_CMAKE_ENABLED = "analyzer.cmake.enabled";
        /**
         * The properties key for whether the Ruby Bundler Audit analyzer is
         * enabled.
         */
        public static final String ANALYZER_BUNDLE_AUDIT_ENABLED = "analyzer.bundle.audit.enabled";
        /**
         * The properties key for whether the .NET Assembly analyzer is enabled.
         */
        public static final String ANALYZER_ASSEMBLY_ENABLED = "analyzer.assembly.enabled";
        /**
         * The properties key for whether the .NET Nuspec analyzer is enabled.
         */
        public static final String ANALYZER_NUSPEC_ENABLED = "analyzer.nuspec.enabled";
        /**
         * The properties key for whether the .NET Nuget packages.config
         * analyzer is enabled.
         */
        public static final String ANALYZER_NUGETCONF_ENABLED = "analyzer.nugetconf.enabled";
        /**
         * The properties key for whether the Libman analyzer is enabled.
         */
        public static final String ANALYZER_LIBMAN_ENABLED = "analyzer.libman.enabled";
        /**
         * The properties key for whether the .NET MSBuild Project analyzer is
         * enabled.
         */
        public static final String ANALYZER_MSBUILD_PROJECT_ENABLED = "analyzer.msbuildproject.enabled";
        /**
         * The properties key for whether the Nexus analyzer is enabled.
         */
        public static final String ANALYZER_NEXUS_ENABLED = "analyzer.nexus.enabled";
        /**
         * The properties key for the Nexus search URL.
         */
        public static final String ANALYZER_NEXUS_URL = "analyzer.nexus.url";
        /**
         * The properties key for the Nexus search credentials username.
         */
        public static final String ANALYZER_NEXUS_USER = "analyzer.nexus.username";
        /**
         * The properties key for the Nexus search credentials password.
         */
        public static final String ANALYZER_NEXUS_PASSWORD = "analyzer.nexus.password";
        /**
         * The properties key for using the proxy to reach Nexus.
         */
        public static final String ANALYZER_NEXUS_USES_PROXY = "analyzer.nexus.proxy";
        /**
         * The properties key for whether the Artifactory analyzer is enabled.
         */
        public static final String ANALYZER_ARTIFACTORY_ENABLED = "analyzer.artifactory.enabled";
        /**
         * The properties key for the Artifactory search URL.
         */
        public static final String ANALYZER_ARTIFACTORY_URL = "analyzer.artifactory.url";
        /**
         * The properties key for the Artifactory username.
         */
        public static final String ANALYZER_ARTIFACTORY_API_USERNAME = "analyzer.artifactory.api.username";
        /**
         * The properties key for the Artifactory API token.
         */
        public static final String ANALYZER_ARTIFACTORY_API_TOKEN = "analyzer.artifactory.api.token";
        /**
         * The properties key for the Artifactory bearer token
         * (https://www.jfrog.com/confluence/display/RTF/Access+Tokens). It can
         * be generated using:
         * 
curl -u yourUserName -X POST \
         *    "https://artifactory.techno.ingenico.com/artifactory/api/security/token" \
         *    -d "username=yourUserName"
. */ public static final String ANALYZER_ARTIFACTORY_BEARER_TOKEN = "analyzer.artifactory.bearer.token"; /** * The properties key for using the proxy to reach Artifactory. */ public static final String ANALYZER_ARTIFACTORY_USES_PROXY = "analyzer.artifactory.proxy"; /** * The properties key for whether the Artifactory analyzer should use * parallel processing. */ public static final String ANALYZER_ARTIFACTORY_PARALLEL_ANALYSIS = "analyzer.artifactory.parallel.analysis"; /** * The properties key for whether the Central analyzer is enabled. */ public static final String ANALYZER_CENTRAL_ENABLED = "analyzer.central.enabled"; /** * Key for the path to the local Maven repository. */ public static final String MAVEN_LOCAL_REPO = "odc.maven.local.repo"; /** * Key for the URL to obtain content from Maven Central. */ public static final String CENTRAL_CONTENT_URL = "central.content.url"; /** * Key for the Username to obtain content from Maven Central. */ public static final String CENTRAL_CONTENT_USER = "central.content.username"; /** * Key for the Password to obtain content from Maven Central. */ public static final String CENTRAL_CONTENT_PASSWORD = "central.content.password"; /** * The properties key for whether the Central analyzer should use * parallel processing. */ public static final String ANALYZER_CENTRAL_PARALLEL_ANALYSIS = "analyzer.central.parallel.analysis"; /** * The properties key for whether the Central analyzer should use * parallel processing. */ public static final String ANALYZER_CENTRAL_RETRY_COUNT = "analyzer.central.retry.count"; /** * The properties key for whether the OpenSSL analyzer is enabled. */ public static final String ANALYZER_OPENSSL_ENABLED = "analyzer.openssl.enabled"; /** * The properties key for whether the cocoapods analyzer is enabled. */ public static final String ANALYZER_COCOAPODS_ENABLED = "analyzer.cocoapods.enabled"; /** * The properties key for whether the carthage analyzer is enabled. */ public static final String ANALYZER_CARTHAGE_ENABLED = "analyzer.carthage.enabled"; /** * The properties key for whether the SWIFT package manager analyzer is * enabled. */ public static final String ANALYZER_SWIFT_PACKAGE_MANAGER_ENABLED = "analyzer.swift.package.manager.enabled"; /** * The properties key for whether the SWIFT package resolved analyzer is * enabled. */ public static final String ANALYZER_SWIFT_PACKAGE_RESOLVED_ENABLED = "analyzer.swift.package.resolved.enabled"; /** * The properties key for the Central search URL. */ public static final String ANALYZER_CENTRAL_URL = "analyzer.central.url"; /** * The properties key for the Central search username. */ public static final String ANALYZER_CENTRAL_USER = "analyzer.central.username"; /** * The properties key for the Central search password. */ public static final String ANALYZER_CENTRAL_PASSWORD = "analyzer.central.password"; /** * The properties key for the Central search query. */ public static final String ANALYZER_CENTRAL_QUERY = "analyzer.central.query"; /** * The properties key for whether Central search results will be cached. */ public static final String ANALYZER_CENTRAL_USE_CACHE = "analyzer.central.use.cache"; /** * The path to dotnet core, if available. */ public static final String ANALYZER_ASSEMBLY_DOTNET_PATH = "analyzer.assembly.dotnet.path"; /** * The path to bundle-audit, if available. */ public static final String ANALYZER_BUNDLE_AUDIT_PATH = "analyzer.bundle.audit.path"; /** * The path to bundle-audit, if available. */ public static final String ANALYZER_BUNDLE_AUDIT_WORKING_DIRECTORY = "analyzer.bundle.audit.working.directory"; /** * The additional configured zip file extensions, if available. */ public static final String ADDITIONAL_ZIP_EXTENSIONS = "extensions.zip"; /** * The key to obtain the path to the VFEED data file. */ public static final String VFEED_DATA_FILE = "vfeed.data_file"; /** * The key to obtain the VFEED connection string. */ public static final String VFEED_CONNECTION_STRING = "vfeed.connection_string"; /** * The key to obtain the base download URL for the VFeed data file. */ public static final String VFEED_DOWNLOAD_URL = "vfeed.download_url"; /** * The key to obtain the download file name for the VFeed data. */ public static final String VFEED_DOWNLOAD_FILE = "vfeed.download_file"; /** * The key to obtain the VFeed update status. */ public static final String VFEED_UPDATE_STATUS = "vfeed.update_status"; /** * The key to the HTTP request method for query last modified date. */ public static final String DOWNLOADER_QUICK_QUERY_TIMESTAMP = "downloader.quick.query.timestamp"; /** * The key to HTTP protocol list to use. */ public static final String DOWNLOADER_TLS_PROTOCOL_LIST = "downloader.tls.protocols"; /** * The key to determine if the CPE analyzer is enabled. */ public static final String ANALYZER_CPE_ENABLED = "analyzer.cpe.enabled"; /** * The key to determine if the NPM CPE analyzer is enabled. */ public static final String ANALYZER_NPM_CPE_ENABLED = "analyzer.npm.cpe.enabled"; /** * The key to determine if the CPE Suppression analyzer is enabled. */ public static final String ANALYZER_CPE_SUPPRESSION_ENABLED = "analyzer.cpesuppression.enabled"; /** * The key to determine if the Dependency Bundling analyzer is enabled. */ public static final String ANALYZER_DEPENDENCY_BUNDLING_ENABLED = "analyzer.dependencybundling.enabled"; /** * The key to determine if the Dependency Merging analyzer is enabled. */ public static final String ANALYZER_DEPENDENCY_MERGING_ENABLED = "analyzer.dependencymerging.enabled"; /** * The key to determine if the False Positive analyzer is enabled. */ public static final String ANALYZER_FALSE_POSITIVE_ENABLED = "analyzer.falsepositive.enabled"; /** * The key to determine if the File Name analyzer is enabled. */ public static final String ANALYZER_FILE_NAME_ENABLED = "analyzer.filename.enabled"; /** * The key to determine if the File Version analyzer is enabled. */ public static final String ANALYZER_PE_ENABLED = "analyzer.pe.enabled"; /** * The key to determine if the Hint analyzer is enabled. */ public static final String ANALYZER_HINT_ENABLED = "analyzer.hint.enabled"; /** * The key to determine if the Version Filter analyzer is enabled. */ public static final String ANALYZER_VERSION_FILTER_ENABLED = "analyzer.versionfilter.enabled"; /** * The key to determine if the Vulnerability Suppression analyzer is * enabled. */ public static final String ANALYZER_VULNERABILITY_SUPPRESSION_ENABLED = "analyzer.vulnerabilitysuppression.enabled"; /** * The key to determine if the NVD CVE updater should be enabled. */ public static final String UPDATE_NVDCVE_ENABLED = "updater.nvdcve.enabled"; /** * The key to determine if dependency-check should check if there is a * new version available. */ public static final String UPDATE_VERSION_CHECK_ENABLED = "updater.versioncheck.enabled"; /** * The key to determine which ecosystems should skip the CPE analysis. */ public static final String ECOSYSTEM_SKIP_CPEANALYZER = "ecosystem.skip.cpeanalyzer"; /** * Adds capabilities to batch insert. Tested on PostgreSQL and H2. */ public static final String ENABLE_BATCH_UPDATES = "database.batchinsert.enabled"; /** * Size of database batch inserts. */ public static final String MAX_BATCH_SIZE = "database.batchinsert.maxsize"; /** * The key that specifies the class name of the Write Lock shutdown * hook. */ public static final String WRITELOCK_SHUTDOWN_HOOK = "data.writelock.shutdownhook"; /** * The properties key for whether the Sonatype OSS Index analyzer is * enabled. */ public static final String ANALYZER_OSSINDEX_ENABLED = "analyzer.ossindex.enabled"; /** * The properties key for whether the Sonatype OSS Index should use a * local cache. */ public static final String ANALYZER_OSSINDEX_USE_CACHE = "analyzer.ossindex.use.cache"; /** * The properties key for the Sonatype OSS Index URL. */ public static final String ANALYZER_OSSINDEX_URL = "analyzer.ossindex.url"; /** * The properties key for the Sonatype OSS Index user. */ public static final String ANALYZER_OSSINDEX_USER = "analyzer.ossindex.user"; /** * The properties key for the Sonatype OSS Index password. */ public static final String ANALYZER_OSSINDEX_PASSWORD = "analyzer.ossindex.password"; /** * The properties key for the Sonatype OSS batch-size. */ public static final String ANALYZER_OSSINDEX_BATCH_SIZE = "analyzer.ossindex.batch.size"; /** * The properties key for the Sonatype OSS Request Delay. Amount of time * in seconds to wait before executing a request against the Sonatype * OSS Rest API */ public static final String ANALYZER_OSSINDEX_REQUEST_DELAY = "analyzer.ossindex.request.delay"; /** * The properties key for only warning about Sonatype OSS Index remote * errors instead of failing the request. */ public static final String ANALYZER_OSSINDEX_WARN_ONLY_ON_REMOTE_ERRORS = "analyzer.ossindex.remote-error.warn-only"; /** * The properties key setting whether or not the JSON and XML reports * will be pretty printed. */ /** * The properties key for whether the Dart analyzer is enabled. */ public static final String ANALYZER_DART_ENABLED = "analyzer.dart.enabled"; /** * The properties key for whether to pretty print the XML/JSON reports. */ public static final String PRETTY_PRINT = "odc.reports.pretty.print"; /** * The properties key setting which other keys should be considered * sensitive and subsequently masked when logged. */ public static final String MASKED_PROPERTIES = "odc.settings.mask"; /** * The properties key for the default max query size for Lucene query * results. */ public static final String MAX_QUERY_SIZE_DEFAULT = "odc.ecosystem.maxquerylimit.default"; /** * The properties key prefix for the default max query size for Lucene * query results; append the ecosystem to obtain the default query size. */ public static final String MAX_QUERY_SIZE_PREFIX = "odc.ecosystem.maxquerylimit."; /** * private constructor because this is a "utility" class containing * constants */ private KEYS() { //do nothing } } //
/** * Initialize the settings object. */ public Settings() { initialize(PROPERTIES_FILE); } /** * Initialize the settings object using the given properties. * * @param properties the properties to be used with this Settings instance * @since 4.0.3 */ public Settings(final Properties properties) { props = properties; logProperties("Properties loaded", props); } /** * Initialize the settings object using the given properties file. * * @param propertiesFilePath the path to the base properties file to load */ public Settings(@NotNull final String propertiesFilePath) { initialize(propertiesFilePath); } /** * Initializes the settings object from the given file. * * @param propertiesFilePath the path to the settings property file */ private void initialize(@NotNull final String propertiesFilePath) { props = new Properties(); try (InputStream in = FileUtils.getResourceAsStream(propertiesFilePath)) { props.load(in); } catch (NullPointerException ex) { LOGGER.error("Did not find settings file '{}'.", propertiesFilePath); LOGGER.debug("", ex); } catch (IOException ex) { LOGGER.error("Unable to load settings from '{}'.", propertiesFilePath); LOGGER.debug("", ex); } logProperties("Properties loaded", props); } /** * Cleans up resources to prevent memory leaks. */ public void cleanup() { cleanup(true); } /** * Cleans up resources to prevent memory leaks. * * @param deleteTemporary flag indicating whether any temporary directories * generated should be removed */ public synchronized void cleanup(boolean deleteTemporary) { if (deleteTemporary && tempDirectory != null && tempDirectory.exists()) { LOGGER.debug("Deleting ALL temporary files from `{}`", tempDirectory.toString()); FileUtils.delete(tempDirectory); tempDirectory = null; } } /** * Check if a given key is considered to have a value with sensitive data. * * @param key the key to determine if the property should be masked * @return true if the key is for a sensitive property value; * otherwise false */ private boolean isKeyMasked(@NotNull String key) { if (maskedKeys == null || maskedKeys.isEmpty()) { initMaskedKeys(); } return maskedKeys.stream().anyMatch(maskExp -> maskExp.test(key)); } /** * Obtains the printable/loggable value for a given key/value pair. This * will mask some values so as to not leak sensitive information. * * @param key the property key * @param value the property value * @return the printable value */ String getPrintableValue(@NotNull String key, String value) { String printableValue = null; if (value != null) { printableValue = isKeyMasked(key) ? "********" : value; } return printableValue; } /** * Initializes the masked keys collection. This is done outside of the * {@link #initialize(java.lang.String)} method because a caller may use the * {@link #mergeProperties(java.io.File)} to add additional properties after * the call to initialize. */ void initMaskedKeys() { final String[] masked = getArray(Settings.KEYS.MASKED_PROPERTIES); if (masked == null) { maskedKeys = new ArrayList<>(); } else { maskedKeys = Arrays.stream(masked) .map(v -> Pattern.compile(v).asPredicate()) .collect(Collectors.toList()); } } /** * Logs the properties. This will not log any properties that contain * 'password' in the key. * * @param header the header to print with the log message * @param properties the properties to log */ private void logProperties(@NotNull final String header, @NotNull final Properties properties) { if (LOGGER.isDebugEnabled()) { initMaskedKeys(); final StringWriter sw = new StringWriter(); try (PrintWriter pw = new PrintWriter(sw)) { pw.format("%s:%n%n", header); final Enumeration e = properties.propertyNames(); while (e.hasMoreElements()) { final String key = (String) e.nextElement(); final String value = getPrintableValue(key, properties.getProperty(key)); if (value != null) { pw.format("%s='%s'%n", key, value); } } pw.flush(); LOGGER.debug(sw.toString()); } } } /** * Sets a property value. * * @param key the key for the property * @param value the value for the property */ public void setString(@NotNull final String key, @NotNull final String value) { props.setProperty(key, value); LOGGER.debug("Setting: {}='{}'", key, getPrintableValue(key, value)); } /** * Sets a property value only if the value is not null. * * @param key the key for the property * @param value the value for the property */ public void setStringIfNotNull(@NotNull final String key, @Nullable final String value) { if (null != value) { setString(key, value); } } /** * Sets a property value only if the value is not null and not empty. * * @param key the key for the property * @param value the value for the property */ public void setStringIfNotEmpty(@NotNull final String key, @Nullable final String value) { if (null != value && !value.isEmpty()) { setString(key, value); } } /** * Sets a property value only if the array value is not null and not empty. * * @param key the key for the property * @param value the value for the property */ public void setArrayIfNotEmpty(@NotNull final String key, @Nullable final String[] value) { if (null != value && value.length > 0) { try { setString(key, objectMapper.writeValueAsString(value)); } catch (JsonProcessingException e) { throw new IllegalArgumentException(); } } } /** * Sets a property value only if the array value is not null and not empty. * * @param key the key for the property * @param value the value for the property */ public void setArrayIfNotEmpty(@NotNull final String key, @Nullable final List value) { if (null != value && !value.isEmpty()) { try { setString(key, objectMapper.writeValueAsString(value)); } catch (JsonProcessingException e) { throw new IllegalArgumentException(); } } } /** * Sets a property value. * * @param key the key for the property * @param value the value for the property */ public void setBoolean(@NotNull final String key, boolean value) { setString(key, Boolean.toString(value)); } /** * Sets a property value only if the value is not null. * * @param key the key for the property * @param value the value for the property */ public void setBooleanIfNotNull(@NotNull final String key, @Nullable final Boolean value) { if (null != value) { setBoolean(key, value); } } /** * Sets a float property value. * * @param key the key for the property * @param value the value for the property */ public void setFloat(@NotNull final String key, final float value) { setString(key, Float.toString(value)); } /** * Sets a property value. * * @param key the key for the property * @param value the value for the property */ public void setInt(@NotNull final String key, final int value) { props.setProperty(key, String.valueOf(value)); LOGGER.debug("Setting: {}='{}'", key, value); } /** * Sets a property value only if the value is not null. * * @param key the key for the property * @param value the value for the property */ public void setIntIfNotNull(@NotNull final String key, @Nullable final Integer value) { if (null != value) { setInt(key, value); } } /** * Merges a new properties file into the current properties. This method * allows for the loading of a user provided properties file.

* Note: even if using this method - system properties will be loaded * before properties loaded from files. * * @param filePath the path to the properties file to merge. * @throws java.io.FileNotFoundException is thrown when the filePath points * to a non-existent file * @throws java.io.IOException is thrown when there is an exception * loading/merging the properties */ @SuppressFBWarnings(justification = "try with resource will clenaup the resources", value = {"OBL_UNSATISFIED_OBLIGATION"}) public void mergeProperties(@NotNull final File filePath) throws FileNotFoundException, IOException { try (FileInputStream fis = new FileInputStream(filePath)) { mergeProperties(fis); } } /** * Merges a new properties file into the current properties. This method * allows for the loading of a user provided properties file.

* Note: even if using this method - system properties will be loaded before * properties loaded from files. * * @param filePath the path to the properties file to merge. * @throws java.io.FileNotFoundException is thrown when the filePath points * to a non-existent file * @throws java.io.IOException is thrown when there is an exception * loading/merging the properties */ @SuppressFBWarnings(justification = "try with resource will clenaup the resources", value = {"OBL_UNSATISFIED_OBLIGATION"}) public void mergeProperties(@NotNull final String filePath) throws FileNotFoundException, IOException { try (FileInputStream fis = new FileInputStream(filePath)) { mergeProperties(fis); } } /** * Merges a new properties file into the current properties. This method * allows for the loading of a user provided properties file.

* Note: even if using this method - system properties will be loaded * before properties loaded from files. * * @param stream an Input Stream pointing at a properties file to merge * @throws java.io.IOException is thrown when there is an exception * loading/merging the properties */ public void mergeProperties(@NotNull final InputStream stream) throws IOException { props.load(stream); logProperties("Properties updated via merge", props); } /** * Returns a value from the properties file as a File object. If the value * was specified as a system property or passed in via the -Dprop=value * argument - this method will return the value from the system properties * before the values in the contained configuration file. * * @param key the key to lookup within the properties file * @return the property from the properties file converted to a File object */ @Nullable public File getFile(@NotNull final String key) { final String file = getString(key); if (file == null) { return null; } return new File(file); } /** * Returns a value from the properties file as a File object. If the value * was specified as a system property or passed in via the -Dprop=value * argument - this method will return the value from the system properties * before the values in the contained configuration file. *

* This method will check the configured base directory and will use this as * the base of the file path. Additionally, if the base directory begins * with a leading "[JAR]\" sequence with the path to the folder containing * the JAR file containing this class. * * @param key the key to lookup within the properties file * @return the property from the properties file converted to a File object */ File getDataFile(@NotNull final String key) { final String file = getString(key); LOGGER.debug("Settings.getDataFile() - file: '{}'", file); if (file == null) { return null; } if (file.startsWith("[JAR]")) { LOGGER.debug("Settings.getDataFile() - transforming filename"); final File jarPath = getJarPath(); LOGGER.debug("Settings.getDataFile() - jar file: '{}'", jarPath.toString()); final File retVal = new File(jarPath, file.substring(6)); LOGGER.debug("Settings.getDataFile() - returning: '{}'", retVal); return retVal; } return new File(file); } /** * Attempts to retrieve the folder containing the Jar file containing the * Settings class. * * @return a File object */ private File getJarPath() { String decodedPath = "."; String jarPath = ""; final ProtectionDomain domain = Settings.class.getProtectionDomain(); if (domain != null && domain.getCodeSource() != null && domain.getCodeSource().getLocation() != null) { jarPath = Settings.class.getProtectionDomain().getCodeSource().getLocation().getPath(); } try { decodedPath = URLDecoder.decode(jarPath, StandardCharsets.UTF_8.name()); } catch (UnsupportedEncodingException ex) { LOGGER.trace("", ex); } final File path = new File(decodedPath); if (path.getName().toLowerCase().endsWith(".jar")) { return path.getParentFile(); } else { return new File("."); } } /** * Returns a value from the properties file. If the value was specified as a * system property or passed in via the -Dprop=value argument - this method * will return the value from the system properties before the values in the * contained configuration file. * * @param key the key to lookup within the properties file * @param defaultValue the default value for the requested property * @return the property from the properties file */ public String getString(@NotNull final String key, @Nullable final String defaultValue) { return System.getProperty(key, props.getProperty(key, defaultValue)); } /** * Returns the temporary directory. * * @return the temporary directory * @throws java.io.IOException if any. */ public synchronized File getTempDirectory() throws IOException { if (tempDirectory == null) { final File baseTemp = new File(getString(Settings.KEYS.TEMP_DIRECTORY, System.getProperty("java.io.tmpdir"))); tempDirectory = FileUtils.createTempDirectory(baseTemp); } return tempDirectory; } /** * Returns a value from the properties file. If the value was specified as a * system property or passed in via the -Dprop=value argument - this method * will return the value from the system properties before the values in the * contained configuration file. * * @param key the key to lookup within the properties file * @return the property from the properties file */ public String getString(@NotNull final String key) { return System.getProperty(key, props.getProperty(key)); } /** * Returns a list with the given key. *

* If the property is not set then {@code null} will be returned. * * @param key the key to get from this * {@link org.owasp.dependencycheck.utils.Settings}. * @return the list or {@code null} if the key wasn't present. */ public String[] getArray(@NotNull final String key) { final String string = getString(key); if (string != null) { if (string.charAt(0) == '{' || string.charAt(0) == '[') { try { return objectMapper.readValue(string, String[].class); } catch (JsonProcessingException e) { throw new IllegalStateException("Unable to read value '" + string + "' as an array"); } } else { return string.split(ARRAY_SEP); } } return null; } /** * Removes a property from the local properties collection. This is mainly * used in test cases. * * @param key the property key to remove */ public void removeProperty(@NotNull final String key) { props.remove(key); } /** * Returns an int value from the properties file. If the value was specified * as a system property or passed in via the -Dprop=value argument - this * method will return the value from the system properties before the values * in the contained configuration file. * * @param key the key to lookup within the properties file * @return the property from the properties file * @throws org.owasp.dependencycheck.utils.InvalidSettingException is thrown * if there is an error retrieving the setting */ public int getInt(@NotNull final String key) throws InvalidSettingException { try { return Integer.parseInt(getString(key)); } catch (NumberFormatException ex) { throw new InvalidSettingException("Could not convert property '" + key + "' to an int.", ex); } } /** * Returns an int value from the properties file. If the value was specified * as a system property or passed in via the -Dprop=value argument - this * method will return the value from the system properties before the values * in the contained configuration file. * * @param key the key to lookup within the properties file * @param defaultValue the default value to return * @return the property from the properties file or the defaultValue if the * property does not exist or cannot be converted to an integer */ public int getInt(@NotNull final String key, int defaultValue) { int value; try { value = Integer.parseInt(getString(key)); } catch (NumberFormatException ex) { if (!getString(key, "").isEmpty()) { LOGGER.debug("Could not convert property '{}={}' to an int; using {} instead.", key, getPrintableValue(key, getString(key)), defaultValue); } value = defaultValue; } return value; } /** * Returns a long value from the properties file. If the value was specified * as a system property or passed in via the -Dprop=value argument - this * method will return the value from the system properties before the values * in the contained configuration file. * * @param key the key to lookup within the properties file * @return the property from the properties file * @throws org.owasp.dependencycheck.utils.InvalidSettingException is thrown * if there is an error retrieving the setting */ public long getLong(@NotNull final String key) throws InvalidSettingException { try { return Long.parseLong(getString(key)); } catch (NumberFormatException ex) { throw new InvalidSettingException("Could not convert property '" + key + "' to a long.", ex); } } /** * Returns a boolean value from the properties file. If the value was * specified as a system property or passed in via the * -Dprop=value argument this method will return the value from * the system properties before the values in the contained configuration * file. * * @param key the key to lookup within the properties file * @return the property from the properties file * @throws org.owasp.dependencycheck.utils.InvalidSettingException is thrown * if there is an error retrieving the setting */ public boolean getBoolean(@NotNull final String key) throws InvalidSettingException { return Boolean.parseBoolean(getString(key)); } /** * Returns a boolean value from the properties file. If the value was * specified as a system property or passed in via the * -Dprop=value argument this method will return the value from * the system properties before the values in the contained configuration * file. * * @param key the key to lookup within the properties file * @param defaultValue the default value to return if the setting does not * exist * @return the property from the properties file */ public boolean getBoolean(@NotNull final String key, boolean defaultValue) { return Boolean.parseBoolean(getString(key, Boolean.toString(defaultValue))); } /** * Returns a float value from the properties file. If the value was * specified as a system property or passed in via the * -Dprop=value argument this method will return the value from * the system properties before the values in the contained configuration * file. * * @param key the key to lookup within the properties file * @param defaultValue the default value to return if the setting does not * exist * @return the property from the properties file */ public float getFloat(@NotNull final String key, float defaultValue) { float retValue = defaultValue; try { retValue = Float.parseFloat(getString(key)); } catch (Throwable ex) { LOGGER.trace("ignore", ex); } return retValue; } /** * Returns a connection string from the configured properties. If the * connection string contains a %s, this method will determine the 'data' * directory and replace the %s with the path to the data directory. If the * data directory does not exist it will be created. * * @param connectionStringKey the property file key for the connection * string * @param dbFileNameKey the settings key for the db filename * @return the connection string * @throws IOException thrown the data directory cannot be created * @throws InvalidSettingException thrown if there is an invalid setting */ public String getConnectionString(String connectionStringKey, String dbFileNameKey) throws IOException, InvalidSettingException { final String connStr = getString(connectionStringKey); if (connStr == null) { final String msg = String.format("Invalid properties file; %s is missing.", connectionStringKey); throw new InvalidSettingException(msg); } if (connStr.contains("%s")) { final File directory = getH2DataDirectory(); LOGGER.debug("Data directory: {}", directory); String fileName = null; if (dbFileNameKey != null) { fileName = getString(dbFileNameKey); } if (fileName == null) { final String msg = String.format("Invalid properties file to get a file based connection string; '%s' must be defined.", dbFileNameKey); throw new InvalidSettingException(msg); } if (connStr.startsWith("jdbc:h2:file:") && fileName.endsWith(".mv.db")) { fileName = fileName.substring(0, fileName.length() - 6); } // yes, for H2 this path won't actually exists - but this is sufficient to get the value needed final File dbFile = new File(directory, fileName); final String cString = String.format(connStr, dbFile.getCanonicalPath()); LOGGER.debug("Connection String: '{}'", cString); return cString; } return connStr; } /** * Retrieves the primary data directory that is used for caching web * content. * * @return the data directory to store data files * @throws java.io.IOException is thrown if an java.io.IOException occurs of * course... */ public File getDataDirectory() throws IOException { final File path = getDataFile(Settings.KEYS.DATA_DIRECTORY); if (path != null && (path.exists() || path.mkdirs())) { return path; } throw new IOException(String.format("Unable to create the data directory '%s'", (path == null) ? "unknown" : path.getAbsolutePath())); } /** * Retrieves the H2 data directory - if the database has been moved to the * temp directory this method will return the temp directory. * * @return the data directory to store data files * @throws java.io.IOException is thrown if an java.io.IOException occurs of * course... */ public File getH2DataDirectory() throws IOException { final String h2Test = getString(Settings.KEYS.H2_DATA_DIRECTORY); final File path; if (h2Test != null && !h2Test.isEmpty()) { path = getDataFile(Settings.KEYS.H2_DATA_DIRECTORY); } else { path = getDataFile(Settings.KEYS.DATA_DIRECTORY); } if (path != null && (path.exists() || path.mkdirs())) { return path; } throw new IOException(String.format("Unable to create the h2 data directory '%s'", (path == null) ? "unknown" : path.getAbsolutePath())); } /** * Generates a new temporary file name that is guaranteed to be unique. * * @param prefix the prefix for the file name to generate * @param extension the extension of the generated file name * @return a temporary File * @throws java.io.IOException if any. */ public File getTempFile(@NotNull final String prefix, @NotNull final String extension) throws IOException { final File dir = getTempDirectory(); final String tempFileName = String.format("%s%s.%s", prefix, UUID.randomUUID(), extension); final File tempFile = new File(dir, tempFileName); if (tempFile.exists()) { return getTempFile(prefix, extension); } return tempFile; } }





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