pjfanning commented on code in PR #1128:
URL: https://github.com/apache/poi/pull/1128#discussion_r3390364783
##########
poi-ooxml/src/main/java/org/apache/poi/openxml4j/util/ZipInputStreamZipEntrySource.java:
##########
@@ -98,21 +97,33 @@ public static boolean shouldEncryptTempFiles() {
*/
public ZipInputStreamZipEntrySource(ZipArchiveThresholdInputStream inp)
throws IOException {
final Set<String> filenames = new HashSet<>();
- for (;;) {
- final ZipArchiveEntry zipEntry = inp.getNextEntry();
- if (zipEntry == null) {
- break;
+ try {
+ for (;;) {
+ final ZipArchiveEntry zipEntry = inp.getNextEntry();
+ if (zipEntry == null) {
+ break;
+ }
+ String name = zipEntry.getName();
+ if (name == null || name.isEmpty()) {
+ throw new InvalidZipException("Input file contains an
entry with an empty name");
+ }
+ name = name.replace('\\', '/').toLowerCase(Locale.ROOT);
Review Comment:
use IOUtils.normalizePath
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