public static IAccessMode GetEffectivePermissions(
[NotNull] this IUnixDirectoryEntry entry,
[NotNull] IFtpUser ftpUser)
{
var canRead = false;
var canWrite = false;
var canExecute = false;
void UpdatePermissions(
IAccessMode toApply)
{
canRead |= toApply.Read;
canWrite |= toApply.Write;
canExecute |= toApply.Execute;
}
if (entry.Owner == ftpUser.Name)
{
UpdatePermissions(entry.Permissions.User);
}
if (ftpUser.IsInGroup(entry.Group))
{
UpdatePermissions(entry.Permissions.Group);
}
UpdatePermissions(entry.Permissions.Other);
return(new GenericAccessMode(canRead, canWrite, canExecute));
}
public static IAccessMode GetAccessModeFor([NotNull] this IUnixPermissions permissions, [NotNull] IUnixOwner entity, [NotNull] IFtpUser user)
{
var isUser = string.Equals(entity.Owner, user.Name, StringComparison.OrdinalIgnoreCase);
var isGroup = user.IsInGroup(entity.Group);
var canRead = (isUser && permissions.User.Read) ||
(isGroup && permissions.Group.Read) ||
permissions.Other.Read;
var canWrite = (isUser && permissions.User.Write) ||
(isGroup && permissions.Group.Write) ||
permissions.Other.Write;
var canExecute = (isUser && permissions.User.Execute) ||
(isGroup && permissions.Group.Execute) ||
permissions.Other.Execute;
return(new GenericAccessMode(canRead, canWrite, canExecute));
}