public void ReadHfsPlusFilesystemTest()
{
using (Stream stream = File.OpenRead("TestAssets/hfsp.cdr"))
using (HfsPlusFileSystem hfs = new HfsPlusFileSystem(stream))
{
Assert.True(hfs.FileExists("hello.txt"));
using (Stream helloStream = hfs.OpenFile("hello.txt", FileMode.Open, FileAccess.Read))
using (MemoryStream copyStream = new MemoryStream())
{
Assert.NotEqual(0, helloStream.Length);
helloStream.CopyTo(copyStream);
Assert.Equal(helloStream.Length, copyStream.Length);
Assert.Equal("Hello, World!\n", Encoding.UTF8.GetString(copyStream.ToArray()));
}
}
}
/// <summary>
/// Gets a <see cref="SystemVersion"/> object with additional information about the developer
/// disk image.
/// </summary>
/// <param name="developerDiskImageStream">
/// A <see cref="Stream"/> which represents the developer disk image.
/// </param>
/// <returns>
/// A <see cref="SystemVersion"/> object with additional information about the developer
/// disk image.
/// </returns>
public static (SystemVersion, DateTimeOffset) GetVersionInformation(Stream developerDiskImageStream)
{
using (var disk = new Disk(developerDiskImageStream, Ownership.None))
{
// Find the first (and supposedly, only, HFS partition)
var volumes = VolumeManager.GetPhysicalVolumes(disk);
if (volumes.Length != 1)
{
throw new InvalidDataException($"The developer disk should contain exactly one volume");
}
using (var volumeStream = volumes[0].Open())
using (var hfs = new HfsPlusFileSystem(volumeStream))
{
if (hfs.FileExists(SystemVersionPath))
{
using (Stream systemVersionStream = hfs.OpenFile(SystemVersionPath, FileMode.Open, FileAccess.Read))
{
var dict = (NSDictionary)PropertyListParser.Parse(systemVersionStream);
SystemVersion plist = new SystemVersion();
plist.FromDictionary(dict);
if (plist.ProductName != "iPhone OS")
{
throw new InvalidDataException("The developer disk does not target iOS");
}
return(plist, hfs.Root.CreationTimeUtc);
}
}
}
throw new InvalidDataException($"The file does not contain any HFS+ parition. Is it a valid developer disk image?");
}
}