public static bool ExtractAll(ZipArchive zip, string destination, Action <int, int> progressCallback = null, Func <string, string> modifyCallback = null,
Func <string, bool> deleteCallback = null, bool forceUpdate = true)
{
int i = 0;
int total = (int)zip.EntryCount;
bool updated = false;
HashSet <string> files = new HashSet <string> ();
foreach (var entry in zip)
{
progressCallback?.Invoke(i++, total);
if (entry.FullName.Contains("/__MACOSX/") ||
entry.FullName.EndsWith("/__MACOSX", StringComparison.OrdinalIgnoreCase) ||
entry.FullName.EndsWith("/.DS_Store", StringComparison.OrdinalIgnoreCase))
{
continue;
}
var fullName = modifyCallback?.Invoke(entry.FullName) ?? entry.FullName;
if (entry.IsDirectory)
{
try {
Directory.CreateDirectory(Path.Combine(destination, fullName));
} catch (NotSupportedException ex) {
//NOTE: invalid paths, such as `:` on Windows can cause this
throw new NotSupportedException($"Invalid zip entry `{fullName}` found in archive.", ex);
}
continue;
}
try {
Directory.CreateDirectory(Path.Combine(destination, Path.GetDirectoryName(fullName)));
} catch (NotSupportedException ex) {
//NOTE: invalid paths, such as `:` on Windows can cause this
throw new NotSupportedException($"Invalid zip entry `{fullName}` found in archive.", ex);
}
var outfile = Path.GetFullPath(Path.Combine(destination, fullName));
files.Add(outfile);
var dt = File.Exists(outfile) ? File.GetLastWriteTimeUtc(outfile) : DateTime.MinValue;
if (forceUpdate || entry.ModificationTime > dt)
{
var temp = Path.GetTempFileName();
try {
using (var stream = File.Create(temp)) {
entry.Extract(stream);
}
MonoAndroidHelper.CopyIfChanged(temp, outfile);
} catch (PathTooLongException) {
throw new PathTooLongException($"Could not extract \"{fullName}\" to \"{outfile}\". Path is too long.");
} finally {
File.Delete(temp);
}
updated = true;
}
}
foreach (var file in Directory.GetFiles(destination, "*.*", SearchOption.AllDirectories))
{
var outfile = Path.GetFullPath(file);
if (outfile.Contains("/__MACOSX/") ||
outfile.EndsWith("__AndroidLibraryProjects__.zip", StringComparison.OrdinalIgnoreCase) ||
outfile.EndsWith("/__MACOSX", StringComparison.OrdinalIgnoreCase) ||
outfile.EndsWith("/.DS_Store", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (!files.Contains(outfile) && !(deleteCallback?.Invoke(outfile) ?? true))
{
File.Delete(outfile);
updated = true;
}
}
return(updated);
}
