diff options
Diffstat (limited to 'vespajlib/src')
-rw-r--r-- | vespajlib/src/main/java/com/yahoo/security/tls/TransportSecurityUtils.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/security/tls/TransportSecurityUtils.java b/vespajlib/src/main/java/com/yahoo/security/tls/TransportSecurityUtils.java new file mode 100644 index 00000000000..5595d33a9b5 --- /dev/null +++ b/vespajlib/src/main/java/com/yahoo/security/tls/TransportSecurityUtils.java @@ -0,0 +1,66 @@ +// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.security.tls; + +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.Arrays; +import java.util.Optional; + +/** + * Utility class for retrieving {@link TransportSecurityOptions} from the system. + * + * @author bjorncs + */ +public class TransportSecurityUtils { + + public static final String CONFIG_FILE_ENVIRONMENT_VARIABLE = "VESPA_TLS_CONFIG_FILE"; + public static final String INSECURE_MIXED_MODE_ENVIRONMENT_VARIABLE = "VESPA_TLS_INSECURE_MIXED_MODE"; + + public enum MixedMode { + PLAINTEXT_CLIENT_MIXED_SERVER("plaintext_client_mixed_server"), + TLS_CLIENT_MIXED_SERVER("tls_client_mixed_server"); + + final String configValue; + + MixedMode(String configValue) { + this.configValue = configValue; + } + + static MixedMode fromConfigValue(String configValue) { + return Arrays.stream(values()) + .filter(v -> v.configValue.equals(configValue)) + .findFirst() + .orElseThrow(() -> new IllegalArgumentException("Unknown value: " + configValue)); + } + } + + private TransportSecurityUtils() {} + + public static boolean isTransportSecurityEnabled() { + return getConfigFile().isPresent(); + } + + public static boolean isInsecureMixedModeEnabled() { + return getInsecureMixedMode().isPresent(); + } + + public static Optional<MixedMode> getInsecureMixedMode() { + if (!isTransportSecurityEnabled()) return Optional.empty(); + return getEnvironmentVariable(INSECURE_MIXED_MODE_ENVIRONMENT_VARIABLE) + .map(MixedMode::fromConfigValue); + } + + public static Optional<Path> getConfigFile() { + return getEnvironmentVariable(CONFIG_FILE_ENVIRONMENT_VARIABLE).map(Paths::get); + } + + public static Optional<TransportSecurityOptions> getOptions() { + return getConfigFile() + .map(TransportSecurityOptions::fromJsonFile); + } + + private static Optional<String> getEnvironmentVariable(String environmentVariable) { + return Optional.ofNullable(System.getenv(environmentVariable)) + .filter(var -> !var.isEmpty()); + } +} |