/// <summary>
/// Loads the permission data from the given file or directory.
/// </summary>
/// <param name="nativeLibraryInterface">Object for native operations.</param>
/// <param name="fullPath">Full path to the file or directory.</param>
/// <param name="loadDefaultAcl">Specifies whether to load a directory's default ACL (1) or not (0). This must be 0 for files.</param>
internal PosixPermissionInfo(INativeLibraryInterface nativeLibraryInterface, string fullPath, int loadDefaultAcl)
{
_nativeLibraryInterface = nativeLibraryInterface ?? throw new ArgumentNullException(nameof(nativeLibraryInterface));
// Get permission data
// TODO handle/document exceptions
var acl = _nativeLibraryInterface.GetPermissionData(fullPath, loadDefaultAcl, out var dataContainer);
// Initialize members
OwnerId = dataContainer.OwnerId;
OwnerPermissions = dataContainer.OwnerPermissions;
GroupId = dataContainer.GroupId;
GroupPermissions = dataContainer.GroupPermissions;
OtherPermissions = dataContainer.OtherPermissions;
// Parse ACL
foreach (var entry in acl)
{
switch (entry.TagType)
{
case AccessControlListEntryTagTypes.User:
{
// Add user to list
if (entry.TagQualifier != OwnerId)
{
_aclUserPermissions[entry.TagQualifier] = entry.Permissions;
}
break;
}
case AccessControlListEntryTagTypes.Group:
{
// Add group to list
if (entry.TagQualifier != GroupId)
{
_aclGroupPermissions[entry.TagQualifier] = entry.Permissions;
}
break;
}
}
}
}
/// <summary>
/// Creates a new <see cref="PosixPermissionInfo"/> object from the given directory.
/// </summary>
/// <param name="nativeLibraryInterface">Object for native operations.</param>
/// <param name="directory">The directory to load the permissions for.</param>
/// <param name="loadDefaultAcl">Specifies whether the directory's own or default ACL should be loaded.</param>
public PosixPermissionInfo(INativeLibraryInterface nativeLibraryInterface, DirectoryInfo directory, bool loadDefaultAcl)
: this(nativeLibraryInterface, directory.FullName, loadDefaultAcl ? 0 : 1)
{
}
/// <summary>
/// Creates a new <see cref="PosixPermissionInfo"/> object from the given file.
/// </summary>
/// <param name="nativeLibraryInterface">Object for native operations.</param>
/// <param name="file">The file to load the permissions for.</param>
public PosixPermissionInfo(INativeLibraryInterface nativeLibraryInterface, FileInfo file)
: this(nativeLibraryInterface, file.FullName, 0)
{
}
/// <summary>
/// Creates a new <see cref="PosixPermissionsProvider"/> object with the given injected objects.
/// </summary>
/// <param name="nativeLibraryInterface">Object for native operations.</param>
public PosixPermissionsProvider(INativeLibraryInterface nativeLibraryInterface)
{
_nativeLibraryInterface = nativeLibraryInterface ?? throw new ArgumentNullException(nameof(nativeLibraryInterface));
}
