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[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability #13

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[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability #13

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13 changes: 2 additions & 11 deletions src/main/java/doc/UnZip.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@

import javax.swing.*;
import java.io.*;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
Expand All @@ -23,17 +24,7 @@ public static File createTempDirectory()
throws IOException {
final File temp;

temp = File.createTempFile("temp", Long.toString(System.nanoTime()));

if(!(temp.delete()))
{
throw new IOException("Could not delete temp file: " + temp.getAbsolutePath());
}

if(!(temp.mkdir()))
{
throw new IOException("Could not create temp directory: " + temp.getAbsolutePath());
}
temp = Files.createTempDirectory("temp" + Long.toString(System.nanoTime())).toFile();

return (temp);
}
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13 changes: 2 additions & 11 deletions src/main/java/doc_gui/NotebookPanel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.nio.file.Files;
import java.util.Vector;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
Expand Down Expand Up @@ -878,17 +879,7 @@ public void save() {
public static File createTempDirectory() throws IOException{
final File temp;

temp = File.createTempFile("temp", Long.toString(System.nanoTime()));

if(!(temp.delete()))
{
throw new IOException("Could not delete temp file: " + temp.getAbsolutePath());
}

if(!(temp.mkdir()))
{
throw new IOException("Could not create temp directory: " + temp.getAbsolutePath());
}
temp = Files.createTempDirectory("temp" + Long.toString(System.nanoTime())).toFile();

return (temp);
}
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