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Change all "java.util.Random" to "java.security.SecureRandom"

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This commit is contained in:
Prabhjyot Singh 2017-10-06 15:02:31 +05:30
parent f3f22e803a
commit e1a9d3a5f6
4 changed files with 8 additions and 9 deletions
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4
python/src/main/java/org/apache/zeppelin/python/IPythonClient.java
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@ -40,7 +40,7 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.security.SecureRandom;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
@ -55,7 +55,7 @@ public class IPythonClient {
private final IPythonGrpc.IPythonBlockingStub blockingStub;
private final IPythonGrpc.IPythonStub asyncStub;
private Random random = new Random();
private SecureRandom random = new SecureRandom();
/**
* Construct client for accessing RouteGuide server at {@code host:port}.

4
zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/InterpreterGroup.java
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@ -26,7 +26,7 @@ import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.security.SecureRandom;
import java.util.concurrent.ConcurrentHashMap;
/**
@ -70,7 +70,7 @@ public class InterpreterGroup {
}
private static String generateId() {
return "InterpreterGroup_" + System.currentTimeMillis() + "_" + new Random().nextInt();
return "InterpreterGroup_" + System.currentTimeMillis() + "_" + new SecureRandom().nextInt();
}
public String getId() {

4
zeppelin-interpreter/src/main/java/org/apache/zeppelin/util/IdHashes.java
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@ -20,7 +20,7 @@ package org.apache.zeppelin.util;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.security.SecureRandom;
/**
* Generate Tiny ID.
@ -71,6 +71,6 @@ public class IdHashes {
}
public static String generateId() {
return encode(System.currentTimeMillis() + new Random().nextInt());
return encode(System.currentTimeMillis() + new SecureRandom().nextInt());
}
}

5
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Paragraph.java
View file

@ -26,7 +26,7 @@ import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.security.SecureRandom;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
@ -139,8 +139,7 @@ public class Paragraph extends Job implements Cloneable, JsonSerializable {
}
private static String generateId() {
return "paragraph_" + System.currentTimeMillis() + "_" + new Random(System.currentTimeMillis())
.nextInt();
return "paragraph_" + System.currentTimeMillis() + "_" + new SecureRandom().nextInt();
}
public Map<String, Paragraph> getUserParagraphMap() {