ahgittin commented on code in PR #1372:
URL: https://github.com/apache/brooklyn-server/pull/1372#discussion_r1034851794
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core/src/main/java/org/apache/brooklyn/util/core/file/ArchiveUtils.java:
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@@ -363,21 +363,38 @@ public static String readFullyString(File sourceFile) {
}
public static void extractZip(final ZipFile zip, final String
targetFolder) {
- new File(targetFolder).mkdir();
+ File targetPath = new File(targetFolder);
+ targetPath.mkdir();
Enumeration<? extends ZipEntry> zipFileEntries = zip.entries();
while (zipFileEntries.hasMoreElements()) {
- ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
- File destFile = new File(targetFolder, entry.getName());
+ ZipEntry entry = zipFileEntries.nextElement();
+ String originalName = entry.getName();
+ File destFile = new File(targetPath, originalName);
+ // validate input path
+ try {
+ String canonicalDestinationDirPath = null;
+ // enforce the file uses the appropriate file separator for
the controller SO
+ String sanitizedName = originalName
+ .replace("\\", File.separator)
+ .replace("/", File.separator);
+ File sanitizedDestFile = new File(targetPath, sanitizedName);
+ canonicalDestinationDirPath = targetPath.getCanonicalPath();
Review Comment:
i thought `getCanonicalPath()` didn't work unless the path existed. but a
quick test reveals i was wrong. looks good.
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