do not throw errors for unknown compression methods when `passThrough…

…` is set to `true`
gildas-lormeau · Aug 27, 2024 · 75e3f95 · 75e3f95
1 parent 977faf8
commit 75e3f95
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/core/zip-reader.js b/lib/core/zip-reader.js
@@ -407,14 +407,15 @@ class ZipEntry {
 		const dataView = getDataView(dataArray);
 		let password = getOptionValue(zipEntry, options, "password");
 		let rawPassword = getOptionValue(zipEntry, options, "rawPassword");
+		const passThrough = getOptionValue(zipEntry, options, "passThrough");
 		password = password && password.length && password;
 		rawPassword = rawPassword && rawPassword.length && rawPassword;
 		if (extraFieldAES) {
 			if (extraFieldAES.originalCompressionMethod != COMPRESSION_METHOD_AES) {
 				throw new Error(ERR_UNSUPPORTED_COMPRESSION);
 			}
 		}
-		if (compressionMethod != COMPRESSION_METHOD_STORE && compressionMethod != COMPRESSION_METHOD_DEFLATE) {
+		if ((compressionMethod != COMPRESSION_METHOD_STORE && compressionMethod != COMPRESSION_METHOD_DEFLATE) && !passThrough) {
 			throw new Error(ERR_UNSUPPORTED_COMPRESSION);
 		}
 		if (getUint32(dataView, 0) != LOCAL_FILE_HEADER_SIGNATURE) {
@@ -429,7 +430,6 @@ class ZipEntry {
 			lastAccessDate: localDirectory.lastAccessDate,
 			creationDate: localDirectory.creationDate
 		});
-		const passThrough = getOptionValue(zipEntry, options, "passThrough");
 		const encrypted = zipEntry.encrypted && localDirectory.encrypted && !passThrough;
 		const zipCrypto = encrypted && !extraFieldAES;
 		if (!passThrough) {