import io.netty.handler.timeout.ReadTimeoutHandler;
import io.netty.handler.timeout.WriteTimeoutHandler;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
import java.lang.invoke.MethodHandles;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Collections;
+import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
-import javax.net.ssl.SSLException;
+import javax.net.ssl.KeyManagerFactory;
+import org.oransc.policyagent.configuration.WebClientConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.lang.Nullable;
+import org.springframework.util.ResourceUtils;
+import org.springframework.web.reactive.function.client.ExchangeStrategies;
import org.springframework.web.reactive.function.client.WebClient;
import org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec;
import org.springframework.web.reactive.function.client.WebClientResponseException;
import reactor.core.publisher.Mono;
import reactor.netty.http.client.HttpClient;
+import reactor.netty.resources.ConnectionProvider;
import reactor.netty.tcp.TcpClient;
/**
private WebClient webClient = null;
private final String baseUrl;
private static final AtomicInteger sequenceNumber = new AtomicInteger();
+ private final WebClientConfig clientConfig;
+ static KeyStore clientTrustStore = null;
+ private boolean sslEnabled = true;
public AsyncRestClient(String baseUrl) {
+ this(baseUrl, null);
+ this.sslEnabled = false;
+ }
+
+ public AsyncRestClient(String baseUrl, WebClientConfig config) {
this.baseUrl = baseUrl;
+ this.clientConfig = config;
}
public Mono<ResponseEntity<String>> postForEntity(String uri, @Nullable String body) {
}
private Mono<ResponseEntity<String>> retrieve(Object traceTag, RequestHeadersSpec<?> request) {
+ final Class<String> clazz = String.class;
return request.retrieve() //
- .toEntity(String.class) //
- .doOnNext(entity -> logger.trace("{} Received: {}", traceTag, entity.getBody()))
+ .toEntity(clazz) //
+ .doOnNext(entity -> logger.trace("{} Received: {}", traceTag, entity.getBody())) //
.doOnError(throwable -> onHttpError(traceTag, throwable));
}
logger.debug("{} HTTP error status = '{}', body '{}'", traceTag, exception.getStatusCode(),
exception.getResponseBodyAsString());
} else {
- logger.debug("{} HTTP error: {}", traceTag, t.getMessage());
+ logger.debug("{} HTTP error", traceTag, t);
}
}
}
}
- private static SslContext createSslContext() throws SSLException {
+ private boolean isCertificateEntry(KeyStore trustStore, String alias) {
+ try {
+ return trustStore.isCertificateEntry(alias);
+ } catch (KeyStoreException e) {
+ logger.error("Error reading truststore {}", e.getMessage());
+ return false;
+ }
+ }
+
+ private Certificate getCertificate(KeyStore trustStore, String alias) {
+ try {
+ return trustStore.getCertificate(alias);
+ } catch (KeyStoreException e) {
+ logger.error("Error reading truststore {}", e.getMessage());
+ return null;
+ }
+ }
+
+ private static synchronized KeyStore getTrustStore(String trustStorePath, String trustStorePass)
+ throws NoSuchAlgorithmException, CertificateException, IOException, KeyStoreException {
+ if (clientTrustStore == null) {
+ KeyStore store = KeyStore.getInstance(KeyStore.getDefaultType());
+ store.load(new FileInputStream(ResourceUtils.getFile(trustStorePath)), trustStorePass.toCharArray());
+ clientTrustStore = store;
+ }
+ return clientTrustStore;
+ }
+
+ private SslContext createSslContextRejectingUntrustedPeers(String trustStorePath, String trustStorePass,
+ KeyManagerFactory keyManager)
+ throws NoSuchAlgorithmException, CertificateException, IOException, KeyStoreException {
+
+ final KeyStore trustStore = getTrustStore(trustStorePath, trustStorePass);
+ List<Certificate> certificateList = Collections.list(trustStore.aliases()).stream() //
+ .filter(alias -> isCertificateEntry(trustStore, alias)) //
+ .map(alias -> getCertificate(trustStore, alias)) //
+ .collect(Collectors.toList());
+ final X509Certificate[] certificates = certificateList.toArray(new X509Certificate[certificateList.size()]);
+
return SslContextBuilder.forClient() //
- .trustManager(InsecureTrustManagerFactory.INSTANCE) //
+ .keyManager(keyManager) //
+ .trustManager(certificates) //
.build();
}
- private static WebClient createWebClient(String baseUrl, SslContext sslContext) {
- TcpClient tcpClient = TcpClient.create() //
+ private SslContext createSslContext(KeyManagerFactory keyManager)
+ throws NoSuchAlgorithmException, CertificateException, KeyStoreException, IOException {
+ if (this.clientConfig.isTrustStoreUsed()) {
+ return createSslContextRejectingUntrustedPeers(this.clientConfig.trustStore(),
+ this.clientConfig.trustStorePassword(), keyManager);
+ } else {
+ // Trust anyone
+ return SslContextBuilder.forClient() //
+ .keyManager(keyManager) //
+ .trustManager(InsecureTrustManagerFactory.INSTANCE) //
+ .build();
+ }
+ }
+
+ private TcpClient createTcpClientSecure(SslContext sslContext) {
+ return TcpClient.create(ConnectionProvider.newConnection()) //
.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10_000) //
.secure(c -> c.sslContext(sslContext)) //
.doOnConnected(connection -> {
- connection.addHandler(new ReadTimeoutHandler(30));
- connection.addHandler(new WriteTimeoutHandler(30));
+ connection.addHandlerLast(new ReadTimeoutHandler(30));
+ connection.addHandlerLast(new WriteTimeoutHandler(30));
});
+ }
+
+ private TcpClient createTcpClientInsecure() {
+ return TcpClient.create(ConnectionProvider.newConnection()) //
+ .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10_000) //
+ .doOnConnected(connection -> {
+ connection.addHandlerLast(new ReadTimeoutHandler(30));
+ connection.addHandlerLast(new WriteTimeoutHandler(30));
+ });
+ }
+
+ private WebClient createWebClient(String baseUrl, TcpClient tcpClient) {
HttpClient httpClient = HttpClient.from(tcpClient);
ReactorClientHttpConnector connector = new ReactorClientHttpConnector(httpClient);
-
+ ExchangeStrategies exchangeStrategies = ExchangeStrategies.builder() //
+ .codecs(configurer -> configurer.defaultCodecs().maxInMemorySize(-1)) //
+ .build();
return WebClient.builder() //
.clientConnector(connector) //
.baseUrl(baseUrl) //
+ .exchangeStrategies(exchangeStrategies) //
.build();
}
private Mono<WebClient> getWebClient() {
if (this.webClient == null) {
try {
- SslContext sslContext = createSslContext();
- this.webClient = createWebClient(this.baseUrl, sslContext);
- } catch (SSLException e) {
+ if (this.sslEnabled) {
+ final KeyManagerFactory keyManager =
+ KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
+ final KeyStore keyStore = KeyStore.getInstance(this.clientConfig.keyStoreType());
+ final String keyStoreFile = this.clientConfig.keyStore();
+ final String keyStorePassword = this.clientConfig.keyStorePassword();
+ final String keyPassword = this.clientConfig.keyPassword();
+ try (final InputStream inputStream = new FileInputStream(keyStoreFile)) {
+ keyStore.load(inputStream, keyStorePassword.toCharArray());
+ }
+ keyManager.init(keyStore, keyPassword.toCharArray());
+ SslContext sslContext = createSslContext(keyManager);
+ TcpClient tcpClient = createTcpClientSecure(sslContext);
+ this.webClient = createWebClient(this.baseUrl, tcpClient);
+ } else {
+ TcpClient tcpClient = createTcpClientInsecure();
+ this.webClient = createWebClient(this.baseUrl, tcpClient);
+ }
+ } catch (Exception e) {
logger.error("Could not create WebClient {}", e.getMessage());
return Mono.error(e);
}
Code Review / nonrtric.git / blobdiff