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The following example demonstrates how to check for malicious file paths and provides a safe way to unzip. This is known as a path traversal attack. When unzipping files, you must look for malicious file paths, which can escape from the directory you unzip into. When prompted, provide a folder name to extract to. zip file called result.zip in your program folder.

The extension method ExtractToFile for the ZipArchiveEntry object is available in the System.IO.Compression.ZipFileExtensions class. zip file, and the ZipArchiveEntry class to inspect the individual entries. It uses the ZipArchive class to access the. The following example iterates through the contents of an existing. ZipFile.ExtractToDirectory(zipPath, extractPath)Įxample 2: Extract specific file extensions ZipFile.CreateFromDirectory(startPath, zipPath) ZipFile.ExtractToDirectory(zipPath, extractPath) String startPath = zipPath = extractPath = zipPath) To run the sample, create a start folder in your program folder and populate it with files to zip. zip file, and then extracts the file to a new folder. The example compresses the contents of a folder into a new. The following example shows how to create and extract a compressed. NET Framework, add references to these two libraries to your project:Įxample 1: Create and extract a. These examples require the following NuGet packages to be added to your project: The following examples show some of the operations you can perform with compressed files. You also can use these types to read and modify the contents of a compressed file: The System.IO.Compression namespace contains the following classes for compressing and decompressing files and streams.