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SSL support for connecting to mongodb instances #94

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merged 2 commits into from
Jun 23, 2013
Merged

SSL support for connecting to mongodb instances #94

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8b1fbac
Add ssl socket factory
alistair Jun 21, 2013
c57bf9b
add ability to ignore ssl certificate errors.
alistair Jun 23, 2013
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85 changes: 80 additions & 5 deletions src/main/java/org/elasticsearch/river/mongodb/MongoDBRiver.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@

import java.io.IOException;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
Expand All @@ -34,6 +38,12 @@
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

import javax.net.SocketFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.bson.BasicBSONObject;
import org.bson.types.BSONTimestamp;
import org.bson.types.ObjectId;
Expand Down Expand Up @@ -77,6 +87,7 @@
import com.mongodb.Mongo;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.MongoClientOptions.Builder;
import com.mongodb.MongoException;
import com.mongodb.MongoInterruptedException;
import com.mongodb.QueryOperators;
Expand Down Expand Up @@ -104,6 +115,8 @@ public class MongoDBRiver extends AbstractRiverComponent implements River {
public final static String PORT_FIELD = "port";
public final static String OPTIONS_FIELD = "options";
public final static String SECONDARY_READ_PREFERENCE_FIELD = "secondary_read_preference";
public final static String SSL_CONNECTION_FIELD = "ssl";
public final static String SSL_VERIFY_CERT_FIELD = "sslverifycertificate";
public final static String DROP_COLLECTION_FIELD = "drop_collection";
public final static String EXCLUDE_FIELDS_FIELD = "exclude_fields";
public final static String FILTER_FIELD = "filter";
Expand Down Expand Up @@ -164,6 +177,8 @@ public class MongoDBRiver extends AbstractRiverComponent implements River {
protected final String mongoLocalPassword;
protected final String mongoOplogNamespace;
protected final boolean mongoSecondaryReadPreference;
protected final boolean mongoUseSSL;
protected final boolean mongoSSLVerifyCertificate;

protected final String indexName;
protected final String typeName;
Expand All @@ -182,6 +197,7 @@ public class MongoDBRiver extends AbstractRiverComponent implements River {
// private final TransferQueue<Map<String, Object>> stream = new
// LinkedTransferQueue<Map<String, Object>>();
private final BlockingQueue<Map<String, Object>> stream;
private SocketFactory sslSocketFactory;

private Mongo mongo;
private DB adminDb;
Expand Down Expand Up @@ -250,7 +266,11 @@ public MongoDBRiver(final RiverName riverName,
.get(SECONDARY_READ_PREFERENCE_FIELD), false);
dropCollection = XContentMapValues.nodeBooleanValue(
mongoOptionsSettings.get(DROP_COLLECTION_FIELD), false);

mongoUseSSL = XContentMapValues.nodeBooleanValue(
mongoOptionsSettings.get(SSL_CONNECTION_FIELD), false);
mongoSSLVerifyCertificate = XContentMapValues.nodeBooleanValue(
mongoOptionsSettings.get(SSL_VERIFY_CERT_FIELD), true);

if (mongoOptionsSettings.containsKey(EXCLUDE_FIELDS_FIELD)) {
excludeFields = new HashSet<String>();
Object excludeFieldsSettings = mongoOptionsSettings
Expand All @@ -274,6 +294,8 @@ public MongoDBRiver(final RiverName riverName,
mongoSecondaryReadPreference = false;
dropCollection = false;
excludeFields = null;
mongoUseSSL = false;
mongoSSLVerifyCertificate = false;
}

// Credentials
Expand Down Expand Up @@ -377,6 +399,8 @@ public MongoDBRiver(final RiverName riverName,
script = null;
dropCollection = false;
excludeFields = null;
mongoUseSSL = false;
mongoSSLVerifyCertificate = false;
}
mongoOplogNamespace = mongoDb + "." + mongoCollection;

Expand Down Expand Up @@ -555,10 +579,16 @@ && getAdminDb().isAuthenticated()) {

private Mongo getMongoClient() {
if (mongo == null) {
// TODO: MongoClientOptions should be configurable
MongoClientOptions mco = MongoClientOptions.builder()

Builder builder = MongoClientOptions.builder()
.autoConnectRetry(true).connectTimeout(15000)
.socketTimeout(60000).build();
.socketKeepAlive(true).socketTimeout(60000);
if (mongoUseSSL){
builder.socketFactory(getSSLSocketFactory());
}

// TODO: MongoClientOptions should be configurable
MongoClientOptions mco = builder.build();
mongo = new MongoClient(mongoServers, mco);
}
return mongo;
Expand Down Expand Up @@ -595,6 +625,42 @@ public void close() {
indexerThread.interrupt();
}
}

private SocketFactory getSSLSocketFactory() {
if (sslSocketFactory != null)
return sslSocketFactory;

if (!mongoSSLVerifyCertificate) {
try {
final TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}

@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}

@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
}};
final SSLContext sslContext = SSLContext.getInstance( "SSL" );
sslContext.init( null, trustAllCerts, new java.security.SecureRandom() );
// Create an ssl socket factory with our all-trusting manager
sslSocketFactory = sslContext.getSocketFactory();
return sslSocketFactory;
} catch(Exception ex) {
logger.error("Unable to build ssl socket factory without certificate validation, using default instead.", ex);
}
}
sslSocketFactory = SSLSocketFactory.getDefault();
return sslSocketFactory;
}

private class Indexer implements Runnable {

Expand Down Expand Up @@ -963,7 +1029,16 @@ private boolean assignCollections() {

@Override
public void run() {
mongo = new MongoClient(mongoServers);
Builder builder = MongoClientOptions.builder()
.autoConnectRetry(true).connectTimeout(15000)
.socketKeepAlive(true).socketTimeout(60000);
if (mongoUseSSL){
builder.socketFactory(getSSLSocketFactory());
}

// TODO: MongoClientOptions should be configurable
MongoClientOptions mco = builder.build();
mongo = new MongoClient(mongoServers, mco);

if (mongoSecondaryReadPreference) {
mongo.setReadPreference(ReadPreference.secondaryPreferred());
Expand Down