Preserve modified date when unzip files.

Author: terofeev

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Preserve modified date when unzip files ([#176])
+
 ## [1.1.0] - 2025-05-21
 
 ### Added
@@ -66,3 +70,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#120]: https://github.com/FossifyOrg/File-Manager/issues/120
 [#149]: https://github.com/FossifyOrg/File-Manager/issues/149
 [#150]: https://github.com/FossifyOrg/File-Manager/issues/150
+[#176]: https://github.com/FossifyOrg/File-Manager/issues/176

app/src/main/kotlin/org/fossify/filemanager/activities/DecompressActivity.kt

@@ -171,7 +171,9 @@ class DecompressActivity : SimpleActivity() {
                         continue
                     }
 
-                    val isVulnerableForZipPathTraversal = !File(newPath).canonicalPath.startsWith(parent)
+                    val outputFile = File(newPath)
+
+                    val isVulnerableForZipPathTraversal = !outputFile.canonicalPath.startsWith(parent)
                     if (isVulnerableForZipPathTraversal) {
                         continue
                     }
@@ -187,6 +189,7 @@ class DecompressActivity : SimpleActivity() {
                         fos!!.write(buffer, 0, count)
                     }
                     fos!!.close()
+                    outputFile.setLastModified(entry.lastModifiedTimeEpoch)
                 }
 
                 toast(R.string.decompression_successful)