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[Backport] Fix to release system resource after reading JKWSet file (#48666) #48678

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Merged
merged 1 commit into from
Oct 30, 2019
Merged

[Backport] Fix to release system resource after reading JKWSet file (#48666) #48678

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24 changes: 14 additions & 10 deletions ...src/main/java/org/elasticsearch/xpack/security/authc/oidc/OpenIdConnectAuthenticator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,6 @@
import org.elasticsearch.common.CheckedRunnable;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.SuppressForbidden;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.util.concurrent.EsExecutors;
import org.elasticsearch.common.util.concurrent.ListenableFuture;
Expand All @@ -95,10 +94,10 @@
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.AccessController;
import java.security.PrivilegedAction;
Expand All @@ -111,8 +110,8 @@
import java.util.concurrent.atomic.AtomicReference;

import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.ALLOWED_CLOCK_SKEW;
import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.HTTP_CONNECT_TIMEOUT;
import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.HTTP_CONNECTION_READ_TIMEOUT;
import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.HTTP_CONNECT_TIMEOUT;
import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.HTTP_MAX_CONNECTIONS;
import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.HTTP_MAX_ENDPOINT_CONNECTIONS;
import static org.elasticsearch.xpack.core.security.authc.oidc.OpenIdConnectRealmSettings.HTTP_SOCKET_TIMEOUT;
Expand Down Expand Up @@ -142,7 +141,7 @@ public OpenIdConnectAuthenticator(RealmConfig realmConfig, OpenIdConnectProvider
this.sslService = sslService;
this.httpClient = createHttpClient();
this.watcherService = watcherService;
this.idTokenValidator.set(createIdTokenValidator());
this.idTokenValidator.set(createIdTokenValidator(true));
}

// For testing
Expand Down Expand Up @@ -314,10 +313,11 @@ private void validateAccessToken(AccessToken accessToken, JWT idToken) {
* @throws ParseException if the file cannot be parsed
* @throws IOException if the file cannot be read
*/
@SuppressForbidden(reason = "uses toFile")
private JWKSet readJwkSetFromFile(String jwkSetPath) throws IOException, ParseException {
final Path path = realmConfig.env().configFile().resolve(jwkSetPath);
return JWKSet.load(path.toFile());
// avoid using JWKSet.loadFile() as it does not close FileInputStream internally
String jwkSet = new String(Files.readAllBytes(path), StandardCharsets.UTF_8);
return JWKSet.parse(jwkSet);
}

/**
Expand Down Expand Up @@ -589,7 +589,7 @@ private CloseableHttpAsyncClient createHttpClient() {
/*
* Creates an {@link IDTokenValidator} based on the current Relying Party configuration
*/
IDTokenValidator createIdTokenValidator() {
IDTokenValidator createIdTokenValidator(boolean addFileWatcherIfRequired) {
try {
final JWSAlgorithm requestedAlgorithm = rpConfig.getSignatureAlgorithm();
final int allowedClockSkew = Math.toIntExact(realmConfig.getSetting(ALLOWED_CLOCK_SKEW).getMillis());
Expand All @@ -600,12 +600,16 @@ IDTokenValidator createIdTokenValidator() {
new IDTokenValidator(opConfig.getIssuer(), rpConfig.getClientId(), requestedAlgorithm, clientSecret);
} else {
String jwkSetPath = opConfig.getJwkSetPath();
if (jwkSetPath.startsWith("https://")) {
if (jwkSetPath.startsWith("http://")) {
throw new IllegalArgumentException("The [http] protocol is not supported as it is insecure. Use [https] instead");
} else if (jwkSetPath.startsWith("https://")) {
final JWSVerificationKeySelector keySelector = new JWSVerificationKeySelector(requestedAlgorithm,
new ReloadableJWKSource(new URL(jwkSetPath)));
idTokenValidator = new IDTokenValidator(opConfig.getIssuer(), rpConfig.getClientId(), keySelector, null);
} else {
setMetadataFileWatcher(jwkSetPath);
if (addFileWatcherIfRequired) {
setMetadataFileWatcher(jwkSetPath);
}
final JWKSet jwkSet = readJwkSetFromFile(jwkSetPath);
idTokenValidator = new IDTokenValidator(opConfig.getIssuer(), rpConfig.getClientId(), requestedAlgorithm, jwkSet);
}
Expand All @@ -620,7 +624,7 @@ IDTokenValidator createIdTokenValidator() {
private void setMetadataFileWatcher(String jwkSetPath) throws IOException {
final Path path = realmConfig.env().configFile().resolve(jwkSetPath);
FileWatcher watcher = new FileWatcher(path);
watcher.addListener(new FileListener(LOGGER, () -> this.idTokenValidator.set(createIdTokenValidator())));
watcher.addListener(new FileListener(LOGGER, () -> this.idTokenValidator.set(createIdTokenValidator(false))));
watcherService.add(watcher, ResourceWatcherService.Frequency.MEDIUM);
}

Expand Down
2 changes: 0 additions & 2 deletions ...rity/src/test/java/org/elasticsearch/xpack/security/authc/SecurityRealmSettingsTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.lucene.util.Constants;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.settings.MockSecureSettings;
import org.elasticsearch.common.settings.Settings;
Expand Down Expand Up @@ -128,7 +127,6 @@ protected boolean transportSSLEnabled() {
}

public void testClusterStarted() {
assumeFalse("https://github.com/elastic/elasticsearch/issues/44942", Constants.WINDOWS);
final AuthenticateRequest request = new AuthenticateRequest();
request.username(nodeClientUsername());
final AuthenticateResponse authenticate = client().execute(AuthenticateAction.INSTANCE, request).actionGet(10, TimeUnit.SECONDS);
Expand Down