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[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability #272

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[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability #272

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13 changes: 2 additions & 11 deletions duke-core/src/main/java/no/priv/garshol/duke/utils/Utils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;

import no.priv.garshol.duke.DukeException;

Expand Down Expand Up @@ -37,17 +38,7 @@ public static File createTempDirectory(String prefix) {
File temp = null;

try {
temp = File.createTempFile(prefix != null ? prefix : "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(prefix != null ? prefix : "temp" + Long.toString(System.nanoTime())).toFile();
} catch (IOException e) {
throw new DukeException("Unable to create temporary directory with prefix " + prefix, e);
}
Expand Down