com.arangodb.internal.http.HttpConnection Maven / Gradle / Ivy
/*
* DISCLAIMER
*
* Copyright 2017 ArangoDB GmbH, Cologne, Germany
*
* 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 holder is ArangoDB GmbH, Cologne, Germany
*/
package com.arangodb.internal.http;
import com.arangodb.*;
import com.arangodb.internal.net.Connection;
import com.arangodb.config.HostDescription;
import com.arangodb.internal.serde.ContentTypeFactory;
import com.arangodb.internal.serde.InternalSerde;
import com.arangodb.internal.util.EncodeUtils;
import com.arangodb.internal.util.ResponseUtils;
import com.arangodb.internal.InternalRequest;
import com.arangodb.internal.RequestType;
import com.arangodb.internal.InternalResponse;
import com.arangodb.shaded.netty.handler.ssl.ApplicationProtocolConfig;
import com.arangodb.shaded.netty.handler.ssl.ClientAuth;
import com.arangodb.shaded.netty.handler.ssl.IdentityCipherSuiteFilter;
import com.arangodb.shaded.netty.handler.ssl.JdkSslContext;
import com.arangodb.shaded.vertx.core.Vertx;
import com.arangodb.shaded.vertx.core.VertxOptions;
import com.arangodb.shaded.vertx.core.buffer.Buffer;
import com.arangodb.shaded.vertx.core.http.HttpHeaders;
import com.arangodb.shaded.vertx.core.http.HttpMethod;
import com.arangodb.shaded.vertx.core.http.HttpVersion;
import com.arangodb.shaded.vertx.core.net.JdkSSLEngineOptions;
import com.arangodb.shaded.vertx.core.spi.tls.SslContextFactory;
import com.arangodb.shaded.vertx.ext.auth.authentication.TokenCredentials;
import com.arangodb.shaded.vertx.ext.auth.authentication.UsernamePasswordCredentials;
import com.arangodb.shaded.vertx.ext.web.client.HttpRequest;
import com.arangodb.shaded.vertx.ext.web.client.HttpResponse;
import com.arangodb.shaded.vertx.ext.web.client.WebClient;
import com.arangodb.shaded.vertx.ext.web.client.WebClientOptions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.SSLContext;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;
/**
* @author Mark Vollmary
* @author Michele Rastelli
*/
public class HttpConnection implements Connection {
private static final Logger LOGGER = LoggerFactory.getLogger(HttpConnection.class);
private static final String CONTENT_TYPE_APPLICATION_JSON_UTF8 = "application/json; charset=utf-8";
private static final String CONTENT_TYPE_VPACK = "application/x-velocypack";
private static final String USER_AGENT = getUserAgent();
private static final AtomicInteger THREAD_COUNT = new AtomicInteger();
private final InternalSerde util;
private final ContentType contentType;
private String auth;
private final WebClient client;
private final Integer timeout;
private final Vertx vertx;
private static String getUserAgent() {
return "JavaDriver/" + PackageVersion.VERSION + " (JVM/" + System.getProperty("java.specification.version") + ")";
}
private HttpConnection(final HostDescription host, final Integer timeout, final String user, final String password,
final Boolean useSsl, final SSLContext sslContext, final Boolean verifyHost,
final InternalSerde util, final Protocol protocol, final Long ttl) {
super();
this.util = util;
this.contentType = ContentTypeFactory.of(protocol);
this.timeout = timeout;
vertx = Vertx.vertx(new VertxOptions().setPreferNativeTransport(true).setEventLoopPoolSize(1));
vertx.runOnContext(e -> {
Thread.currentThread().setName("adb-eventloop-" + THREAD_COUNT.getAndIncrement());
auth = new UsernamePasswordCredentials(user, password != null ? password : "").toHttpAuthorization();
LOGGER.debug("Created Vert.x context");
});
int intTtl = ttl == null ? 0 : Math.toIntExact(ttl / 1000);
HttpVersion httpVersion = protocol == Protocol.HTTP_JSON || protocol == Protocol.HTTP_VPACK ?
HttpVersion.HTTP_1_1 : HttpVersion.HTTP_2;
WebClientOptions webClientOptions = new WebClientOptions()
.setMaxPoolSize(1)
.setHttp2MaxPoolSize(1)
.setConnectTimeout(timeout)
.setIdleTimeoutUnit(TimeUnit.MILLISECONDS)
.setIdleTimeout(timeout)
.setKeepAliveTimeout(intTtl)
.setHttp2KeepAliveTimeout(intTtl)
.setUserAgentEnabled(false)
.setFollowRedirects(false)
.setLogActivity(true)
.setKeepAlive(true)
.setTcpKeepAlive(true)
.setPipelining(true)
.setReuseAddress(true)
.setReusePort(true)
.setHttp2ClearTextUpgrade(false)
.setProtocolVersion(httpVersion)
.setDefaultHost(host.getHost())
.setDefaultPort(host.getPort());
if (Boolean.TRUE.equals(useSsl)) {
SSLContext ctx;
if (sslContext != null) {
ctx = sslContext;
} else {
try {
ctx = SSLContext.getDefault();
} catch (NoSuchAlgorithmException e) {
throw new ArangoDBException(e);
}
}
webClientOptions
.setSsl(true)
.setUseAlpn(true)
.setVerifyHost(verifyHost == null || verifyHost)
.setJdkSslEngineOptions(new JdkSSLEngineOptions() {
@Override
public JdkSSLEngineOptions copy() {
return this;
}
@Override
public SslContextFactory sslContextFactory() {
return () -> new JdkSslContext(
ctx,
true,
null,
IdentityCipherSuiteFilter.INSTANCE,
ApplicationProtocolConfig.DISABLED,
ClientAuth.NONE,
null,
false
);
}
});
}
client = WebClient.create(vertx, webClientOptions);
}
private static String buildUrl(final InternalRequest request) {
StringBuilder sb = new StringBuilder();
DbName dbName = request.getDbName();
if (dbName != null && !dbName.get().isEmpty()) {
sb.append("/_db/").append(dbName.getEncoded());
}
sb.append(request.getPath());
if (!request.getQueryParam().isEmpty()) {
sb.append("?");
for (Iterator> iterator = request.getQueryParam().entrySet().iterator(); iterator.hasNext(); ) {
Entry param = iterator.next();
if (param.getValue() != null) {
sb.append(EncodeUtils.encodeURIComponent(param.getKey()));
sb.append("=");
sb.append(EncodeUtils.encodeURIComponent(param.getValue()));
if (iterator.hasNext()) {
sb.append("&");
}
}
}
}
return sb.toString();
}
private static void addHeader(final InternalRequest request, final HttpRequest httpRequest) {
for (final Entry header : request.getHeaderParam().entrySet()) {
httpRequest.putHeader(header.getKey(), header.getValue());
}
}
@Override
public void close() {
client.close();
vertx.close();
}
private HttpMethod requestTypeToHttpMethod(RequestType requestType) {
switch (requestType) {
case POST:
return HttpMethod.POST;
case PUT:
return HttpMethod.PUT;
case PATCH:
return HttpMethod.PATCH;
case DELETE:
return HttpMethod.DELETE;
case HEAD:
return HttpMethod.HEAD;
case GET:
default:
return HttpMethod.GET;
}
}
public InternalResponse execute(final InternalRequest request) throws IOException {
CompletableFuture rfuture = new CompletableFuture<>();
vertx.runOnContext(e -> doExecute(request, rfuture));
InternalResponse resp;
try {
resp = rfuture.get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw ArangoDBException.wrap(e);
} catch (ExecutionException e) {
Throwable cause = e.getCause();
if (cause instanceof TimeoutException) {
throw ArangoDBException.wrap(cause);
} else if (cause instanceof IOException) {
throw (IOException) cause;
} else {
throw new IOException(cause);
}
}
checkError(resp);
return resp;
}
public void doExecute(final InternalRequest request, final CompletableFuture rfuture) {
String path = buildUrl(request);
HttpRequest httpRequest = client
.request(requestTypeToHttpMethod(request.getRequestType()), path)
.timeout(timeout);
if (contentType == ContentType.VPACK) {
httpRequest.putHeader("Accept", CONTENT_TYPE_VPACK);
}
addHeader(request, httpRequest);
httpRequest.putHeader(HttpHeaders.AUTHORIZATION.toString(), auth);
httpRequest.putHeader("x-arango-driver", USER_AGENT);
byte[] reqBody = request.getBody();
Buffer buffer;
if (reqBody != null) {
buffer = Buffer.buffer(reqBody);
if (contentType == ContentType.VPACK) {
httpRequest.putHeader(HttpHeaders.CONTENT_TYPE.toString(), CONTENT_TYPE_VPACK);
} else {
httpRequest.putHeader(HttpHeaders.CONTENT_TYPE.toString(), CONTENT_TYPE_APPLICATION_JSON_UTF8);
}
} else {
buffer = Buffer.buffer();
}
httpRequest.sendBuffer(buffer)
.map(this::buildResponse)
.onSuccess(rfuture::complete)
.onFailure(rfuture::completeExceptionally);
}
private InternalResponse buildResponse(final HttpResponse httpResponse) {
final InternalResponse response = new InternalResponse();
response.setResponseCode(httpResponse.statusCode());
Buffer body = httpResponse.body();
if (body != null) {
byte[] bytes = body.getBytes();
if (bytes.length > 0) {
response.setBody(bytes);
}
}
for (Entry header : httpResponse.headers()) {
response.putMeta(header.getKey(), header.getValue());
}
return response;
}
protected void checkError(final InternalResponse response) {
ResponseUtils.checkError(util, response);
}
@Override
public void setJwt(String jwt) {
if (jwt != null) {
vertx.runOnContext(e -> auth = new TokenCredentials(jwt).toHttpAuthorization());
}
}
public static class Builder {
private String user;
private String password;
private InternalSerde util;
private Boolean useSsl;
private Protocol protocol;
private HostDescription host;
private Long ttl;
private SSLContext sslContext;
private Boolean verifyHost;
private Integer timeout;
public Builder user(final String user) {
this.user = user;
return this;
}
public Builder password(final String password) {
this.password = password;
return this;
}
public Builder serializationUtil(final InternalSerde util) {
this.util = util;
return this;
}
public Builder useSsl(final Boolean useSsl) {
this.useSsl = useSsl;
return this;
}
public Builder protocol(final Protocol protocol) {
this.protocol = protocol;
return this;
}
public Builder host(final HostDescription host) {
this.host = host;
return this;
}
public Builder ttl(final Long ttl) {
this.ttl = ttl;
return this;
}
public Builder sslContext(final SSLContext sslContext) {
this.sslContext = sslContext;
return this;
}
public Builder verifyHost(final Boolean verifyHost) {
this.verifyHost = verifyHost;
return this;
}
public Builder timeout(final Integer timeout) {
this.timeout = timeout;
return this;
}
public HttpConnection build() {
return new HttpConnection(host, timeout, user, password, useSsl, sslContext, verifyHost, util,
protocol, ttl);
}
}
}
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