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Fix regression when extracting tar archive #816

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merged 2 commits into from Sep 5, 2019
Merged

Fix regression when extracting tar archive #816

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f807c40
Fix indentation in ArchiveExtractor
arminha May 17, 2019
6175368
Compare paths when extracting an archive with the canonical destinati…
arminha May 17, 2019
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5 changes: 3 additions & 2 deletions ...n-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/ArchiveExtractor.java
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Expand Up @@ -104,13 +104,14 @@ public void extract(String archive, String destinationDirectory) throws ArchiveE
tarIn = new TarArchiveInputStream(new GzipCompressorInputStream(fis));

TarArchiveEntry tarEntry = tarIn.getNextTarEntry();
String canonicalDestinationDirectory = new File(destinationDirectory).getCanonicalPath();
while (tarEntry != null) {
// Create a file for this tarEntry
final File destPath = new File(destinationDirectory + File.separator + tarEntry.getName());
prepDestination(destPath, tarEntry.isDirectory());
if (!destPath.getCanonicalPath().startsWith(destinationDirectory)) {
if (!destPath.getCanonicalPath().startsWith(canonicalDestinationDirectory)) {
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@crisu crisu Dec 2, 2019 •
edited

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this fix was lost in 26 aug 2019

frontend-maven-plugin/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/ArchiveExtractor.java

Line 113 in 7d6b690

if (!startsWithPath(destPath.getCanonicalPath(), destinationDirectory)) {

throw new IOException(
"Expanding " + tarEntry.getName() + " would create file outside of " + destinationDirectory
"Expanding " + tarEntry.getName() + " would create file outside of " + canonicalDestinationDirectory
);
}
if (!tarEntry.isDirectory()) {
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