/// <summary>
/// Extract the contents of a zip file.
/// </summary>
/// <param name="zipFileName">The zip file to extract from.</param>
/// <param name="targetDirectory">The directory to save extracted information in.</param>
/// <param name="overwrite">The style of <see cref="Overwrite">overwriting</see> to apply.</param>
/// <param name="confirmDelegate">A delegate to invoke when confirming overwriting.</param>
/// <param name="fileFilter">A filter to apply to files.</param>
/// <param name="directoryFilter">A filter to apply to directories.</param>
/// <param name="restoreDateTime">Flag indicating wether to restore the date and time for extracted files.</param>
public void ExtractZip(string zipFileName, string targetDirectory,
Overwrite overwrite, ConfirmOverwriteDelegate confirmDelegate,
string fileFilter, string directoryFilter, bool restoreDateTime)
{
if ( (overwrite == Overwrite.Prompt) && (confirmDelegate == null) ) {
throw new ArgumentNullException("confirmDelegate");
}
continueRunning_ = true;
overwrite_ = overwrite;
confirmDelegate_ = confirmDelegate;
targetDirectory_ = targetDirectory;
fileFilter_ = new NameFilter(fileFilter);
directoryFilter_ = new NameFilter(directoryFilter);
restoreDateTimeOnExtract_ = restoreDateTime;
using ( zipFile_ = new ZipFile(zipFileName) ) {
#if !NETCF_1_0
if (password_ != null) {
zipFile_.Password = password_;
}
#endif
System.Collections.IEnumerator enumerator = zipFile_.GetEnumerator();
while ( continueRunning_ && enumerator.MoveNext()) {
ZipEntry entry = (ZipEntry) enumerator.Current;
if ( entry.IsFile )
{
if ( directoryFilter_.IsMatch(Path.GetDirectoryName(entry.Name)) && fileFilter_.IsMatch(entry.Name) ) {
ExtractEntry(entry);
}
}
else if ( entry.IsDirectory ) {
if ( directoryFilter_.IsMatch(entry.Name) && CreateEmptyDirectories ) {
ExtractEntry(entry);
}
}
else {
// Do nothing for volume labels etc...
}
}
}
}
/// <summary>
/// Initialise a new instance of <see cref="PathFilter"></see>.
/// </summary>
/// <param name="filter">The <see cref="NameFilter">filter</see> expression to apply.</param>
public PathFilter(string filter)
{
nameFilter_ = new NameFilter(filter);
}
/// <summary>
/// Extract the contents of a zip file held in a stream.
/// </summary>
/// <param name="inputStream">The seekable input stream containing the zip to extract from.</param>
/// <param name="targetDirectory">The directory to save extracted information in.</param>
/// <param name="overwrite">The style of <see cref="Overwrite">overwriting</see> to apply.</param>
/// <param name="confirmDelegate">A delegate to invoke when confirming overwriting.</param>
/// <param name="fileFilter">A filter to apply to files.</param>
/// <param name="directoryFilter">A filter to apply to directories.</param>
/// <param name="restoreDateTime">Flag indicating whether to restore the date and time for extracted files.</param>
/// <param name="isStreamOwner">Flag indicating whether the inputStream will be closed by this method.</param>
public void ExtractZip(Stream inputStream, string targetDirectory,
Overwrite overwrite, ConfirmOverwriteDelegate confirmDelegate,
string fileFilter, string directoryFilter, bool restoreDateTime,
bool isStreamOwner)
{
if ((overwrite == Overwrite.Prompt) && (confirmDelegate == null)) {
throw new ArgumentNullException("confirmDelegate");
}
continueRunning_ = true;
overwrite_ = overwrite;
confirmDelegate_ = confirmDelegate;
extractNameTransform_ = new WindowsNameTransform(targetDirectory);
fileFilter_ = new NameFilter(fileFilter);
directoryFilter_ = new NameFilter(directoryFilter);
restoreDateTimeOnExtract_ = restoreDateTime;
using (zipFile_ = new ZipFile(inputStream)) {
#if !NETCF_1_0
if (password_ != null) {
zipFile_.Password = password_;
}
#endif
zipFile_.IsStreamOwner = isStreamOwner;
IEnumerator enumerator = zipFile_.GetEnumerator();
while (continueRunning_ && enumerator.MoveNext()) {
ZipEntry entry = (ZipEntry)enumerator.Current;
if (entry.IsFile)
{
// TODO Path.GetDirectory can fail here on invalid characters.
if (directoryFilter_.IsMatch(Path.GetDirectoryName(entry.Name)) && fileFilter_.IsMatch(entry.Name)) {
ExtractEntry(entry);
}
}
else if (entry.IsDirectory) {
if (directoryFilter_.IsMatch(entry.Name) && CreateEmptyDirectories) {
ExtractEntry(entry);
}
}
else {
// Do nothing for volume labels etc...
}
}
}
}
// nupkg file %-encodes zip entry names. This method decodes entry names before writing to disk.
// We must do this, or PathTooLongException may be thrown for some unicode entry names.
public static void ExtractZipDecoded(string zipFilePath, string outFolder, string directoryFilter = null)
{
var zf = new ZipFile(zipFilePath);
foreach (ZipEntry zipEntry in zf) {
if (!zipEntry.IsFile) continue;
var entryFileName = Uri.UnescapeDataString(zipEntry.Name);
var buffer = new byte[4096];
var zipStream = zf.GetInputStream(zipEntry);
var fullZipToPath = Path.Combine(outFolder, entryFileName);
var directoryName = Path.GetDirectoryName(fullZipToPath);
var directoryFilter_ = new NameFilter(directoryFilter);
if (directoryFilter_.IsMatch(directoryName)) {
if (directoryName.Length > 0) {
Directory.CreateDirectory(directoryName);
}
using (FileStream streamWriter = File.Create(fullZipToPath)) {
StreamUtils.Copy(zipStream, streamWriter, buffer);
}
}
}
zf.Close();
}
/// <summary>
/// Extract the contents of a zip file.
/// </summary>
/// <param name="zipFileName">The zip file to extract from.</param>
/// <param name="targetDirectory">The directory to save extracted information in.</param>
/// <param name="overwrite">The style of <see cref="Overwrite">overwriting</see> to apply.</param>
/// <param name="confirmDelegate">A delegate to invoke when confirming overwriting.</param>
/// <param name="fileFilter">A filter to apply to files.</param>
/// <param name="directoryFilter">A filter to apply to directories.</param>
/// <param name="restoreDateTime">Flag indicating wether to restore the date and time for extracted files.</param>
public void ExtractZip(string zipFileName, string targetDirectory, string fileFilter, string directoryFilter)
{
continueRunning_ = true;
extractNameTransform_ = new WindowsNameTransform(targetDirectory);
fileFilter_ = new NameFilter(fileFilter);
directoryFilter_ = new NameFilter(directoryFilter);
using (zipFile_ = new ZipFile(zipFileName))
{
IEnumerator enumerator = zipFile_.GetEnumerator();
while (continueRunning_ && enumerator.MoveNext())
{
var entry = (ZipEntry) enumerator.Current;
if (entry.IsFile)
{
// TODO Path.GetDirectory can fail here on invalid characters.
if (directoryFilter_.IsMatch(Path.GetDirectoryName(entry.Name)) &&
fileFilter_.IsMatch(entry.Name))
{
ExtractEntry(entry);
}
}
}
}
}
/// <summary>
/// Extract the contents of a zip file.
/// </summary>
/// <param name="zipFileName">The zip file to extract from.</param>
/// <param name="targetDirectory">The directory to save extracted information in.</param>
/// <param name="overwrite">The style of <see cref="Overwrite">overwriting</see> to apply.</param>
/// <param name="confirmDelegate">A delegate to invoke when confirming overwriting.</param>
/// <param name="fileFilter">A filter to apply to files.</param>
/// <param name="directoryFilter">A filter to apply to directories.</param>
/// <param name="restoreDateTime">Flag indicating wether to restore the date and time for extracted files.</param>
public void ExtractZip(string zipFileName, string targetDirectory,
Overwrite overwrite, ConfirmOverwriteDelegate confirmDelegate,
string fileFilter, string directoryFilter, bool restoreDateTime)
{
if ( (overwrite == Overwrite.Prompt) && (confirmDelegate == null) ) {
throw new ArgumentNullException("confirmDelegate");
}
continueRunning_ = true;
overwrite_ = overwrite;
confirmDelegate_ = confirmDelegate;
targetDirectory_ = targetDirectory;
fileFilter_ = new NameFilter(fileFilter);
directoryFilter_ = new NameFilter(directoryFilter);
restoreDateTimeOnExtract_ = restoreDateTime;
using ( inputStream_ = new ZipInputStream(File.OpenRead(zipFileName)) ) {
if (password_ != null) {
inputStream_.Password = password_;
}
ZipEntry entry;
while ( continueRunning_ && (entry = inputStream_.GetNextEntry()) != null ) {
if ( directoryFilter_.IsMatch(Path.GetDirectoryName(entry.Name)) && fileFilter_.IsMatch(entry.Name) ) {
ExtractEntry(entry);
}
}
}
}
public void NullFilter()
{
var nf = new NameFilter(null);
Assert.IsTrue(nf.IsIncluded("o78i6bgv5rvu\\kj//&*"));
}
public void ExtractZip(Stream inputStream, string targetDirectory, Overwrite overwrite, ConfirmOverwriteDelegate confirmDelegate, string fileFilter, string directoryFilter, bool restoreDateTime, bool isStreamOwner)
{
if ((overwrite == Overwrite.Prompt) && (confirmDelegate == null))
{
throw new ArgumentNullException("confirmDelegate");
}
this.continueRunning_ = true;
this.overwrite_ = overwrite;
this.confirmDelegate_ = confirmDelegate;
this.extractNameTransform_ = new WindowsNameTransform(targetDirectory);
this.fileFilter_ = new NameFilter(fileFilter);
this.directoryFilter_ = new NameFilter(directoryFilter);
this.restoreDateTimeOnExtract_ = restoreDateTime;
using (this.zipFile_ = new ZipFile(inputStream))
{
if (this.password_ != null)
{
this.zipFile_.Password = this.password_;
}
this.zipFile_.IsStreamOwner = isStreamOwner;
IEnumerator enumerator = this.zipFile_.GetEnumerator();
while (this.continueRunning_ && enumerator.MoveNext())
{
ZipEntry current = (ZipEntry) enumerator.Current;
if (current.IsFile)
{
if (this.directoryFilter_.IsMatch(Path.GetDirectoryName(current.Name)) && this.fileFilter_.IsMatch(current.Name))
{
this.ExtractEntry(current);
}
}
else if ((current.IsDirectory && this.directoryFilter_.IsMatch(current.Name)) && this.CreateEmptyDirectories)
{
this.ExtractEntry(current);
}
}
}
}
public PathFilter(string filter)
{
nameFilter_ = new NameFilter(filter);
}
public static async Task ExtractZipForInstall(string zipFilePath, string outFolder)
{
var zf = new ZipFile(zipFilePath);
var directoryFilter = new NameFilter("lib");
var entries = zf.OfType<ZipEntry>().ToArray();
var re = new Regex(@"lib[\\\/][^\\\/]*[\\\/]", RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
try {
await Utility.ForEachAsync(entries, (zipEntry) => {
if (!zipEntry.IsFile) return;
var entryFileName = Uri.UnescapeDataString(zipEntry.Name);
var fullZipToPath = Path.Combine(outFolder, entryFileName);
var directoryName = Path.GetDirectoryName(fullZipToPath);
if (!directoryFilter.IsMatch(directoryName)) return;
fullZipToPath = re.Replace(fullZipToPath, "", 1);
directoryName = re.Replace(directoryName, "", 1);
var buffer = new byte[64*1024];
if (directoryName.Length > 0) {
Utility.Retry(() => Directory.CreateDirectory(directoryName), 2);
}
Utility.Retry(() => {
using (var zipStream = zf.GetInputStream(zipEntry))
using (FileStream streamWriter = File.Create(fullZipToPath)) {
StreamUtils.Copy(zipStream, streamWriter, buffer);
}
}, 5);
}, 4);
} finally {
zf.Close();
}
}
/// <summary>
/// Initialise a new instance of <see cref = "PathFilter"></see>.
/// </summary>
/// <param name = "filter">The <see cref = "NameFilter">filter</see> expression to apply.</param>
public IsolatedPathFilter(string filter)
{
nameFilter_ = new NameFilter(filter);
}
/// <summary>
/// Exatract the contents of a zip file.
/// </summary>
/// <param name="zipFileName">The zip file to extract from.</param>
/// <param name="targetDirectory">The directory to save extracted information in.</param>
/// <param name="overwrite">The style of <see cref="Overwrite">overwriting</see> to apply.</param>
/// <param name="confirmDelegate">A delegate to invoke when confirming overwriting.</param>
/// <param name="fileFilter">A filter to apply to files.</param>
/// <param name="directoryFilter">A filter to apply to directories.</param>
public void ExtractZip(string zipFileName, string targetDirectory,
Overwrite overwrite, ConfirmOverwriteDelegate confirmDelegate,
string fileFilter, string directoryFilter)
{
if ((overwrite == Overwrite.Prompt) && (confirmDelegate == null)) {
throw new ArgumentNullException("confirmDelegate");
}
this.overwrite = overwrite;
this.confirmDelegate = confirmDelegate;
this.targetDirectory = targetDirectory;
this.fileFilter = new NameFilter(fileFilter);
this.directoryFilter = new NameFilter(directoryFilter);
inputStream = new ZipInputStream(File.OpenRead(zipFileName));
try {
if (password != null) {
inputStream.Password = password;
}
ZipEntry entry;
while ( (entry = inputStream.GetNextEntry()) != null ) {
if ( this.directoryFilter.IsMatch(Path.GetDirectoryName(entry.Name)) && this.fileFilter.IsMatch(entry.Name) ) {
ExtractEntry(entry);
}
}
}
finally {
inputStream.Close();
}
}
