public Task UpdateSecurityAsync(IStorageSecurity security, IProgress progress = null, CancellationToken cancellationToken = default(CancellationToken))
{
try
{
if (null != progress)
{
progress.Total = 1;
progress.Value = 0;
}
StorageRoot.SetSecurity(LocalPath, security);
Security = security;
return(Task.CompletedTask);
}
catch (Exception exn)
{
return(Task.FromException(exn));
}
finally
{
if (null != progress)
{
progress.Value = 1;
}
}
}
internal override void SetSecurity(string absolutePath, IStorageSecurity security)
{
if (0 != Syscall.stat(absolutePath, out var stat))
{
throw new LinuxIOException(Syscall.GetLastError());
}
var uid = stat.st_uid;
var uname = LinuxHelpers.GetUserName(uid);
var gid = stat.st_gid;
var gname = LinuxHelpers.GetGroupName(gid);
var ps = default(FilePermissions);
// FIXME: emit warnings
foreach (var kv in security)
{
var actor = kv.Key;
var sp = kv.Value;
switch (actor.ActorType)
{
case StorageActorType.Public:
ps |= LinuxHelpers.FromOtherPermissions(sp);
break;
case StorageActorType.User when actor.Id == uname:
ps |= LinuxHelpers.FromOwnerPermissions(sp);
break;
case StorageActorType.Group when actor.Id == gname:
ps |= LinuxHelpers.FromGroupPermissions(sp);
break;
default:
// warn
break;
}
}
if (0 != Syscall.chmod(absolutePath, ps))
{
throw new LinuxIOException(Syscall.GetLastError());
}
}
public override async Task UpdateSecurityAsync(IStorageSecurity security, IProgress progress = null, CancellationToken cancellationToken = default(CancellationToken))
{
try
{
if (null != progress)
{
progress.Total = 1;
progress.Value = 0;
}
GoogleObject = await StorageRoot.UpdateObjectAclAsync(GoogleObject, StorageRoot.CreateObjectAccessControlList(security).ToList(), cancellationToken);
_security = security;
}
finally
{
if (null != progress)
{
progress.Value = 1;
}
}
}
protected StorageItem(StorageRoot storageRoot, FsPath localPath)
: base(storageRoot, localPath)
{
Security = storageRoot.GetSecurity(localPath);
}
public static void UpdateSecurity(
this IStorageRecord record,
IStorageSecurity storageSecurity,
IProgress progress = null)
=> record.UpdateSecurityAsync(storageSecurity, progress).GetAwaiter().GetResult();
internal IEnumerable <GoogleObjectAccessControl> CreateObjectAccessControlList(IStorageSecurity storageSecurity)
{
foreach (var kv in storageSecurity)
{
var actor = kv.Key;
var ps = kv.Value;
if (ps.TryGetObjectAccessControl(actor, out var ac))
{
yield return(ac);
}
}
}
public StorageRecord(StorageRoot storageRoot, string localPath, GoogleObject googleObject) : base(storageRoot, localPath)
{
GoogleObject = googleObject ?? throw new System.ArgumentNullException(nameof(googleObject));
_security = storageRoot.GetPermissions(GoogleObject);
}
public static StoragePermissions GetAuthenticatedPermissions(this IStorageSecurity security) => security.GetPermissions(StorageActor.Authenticated);
public static StoragePermissions GetPublicPermissions(this IStorageSecurity security) => security.GetPermissions(StorageActor.Public);
public static IStorageSecurity UpdateGroupPermissions(this IStorageSecurity security, string id, StoragePermissions permissions) => security.UpdatePermissions(StorageActor.Group(id), permissions);
public static IStorageSecurity UpdateAuthenticatedPermissions(this IStorageSecurity security, StoragePermissions permissions) => security.UpdatePermissions(StorageActor.Authenticated, permissions);
public static IStorageSecurity UpdatePublicPermissions(this IStorageSecurity security, StoragePermissions permissions) => security.UpdatePermissions(StorageActor.Public, permissions);
public static StoragePermissions GetGroupPermissions(this IStorageSecurity security, string id) => security.GetPermissions(StorageActor.Group(id));
public static StoragePermissions GetUserPermissions(this IStorageSecurity security, string id) => security.GetPermissions(StorageActor.User(id));
public abstract Task UpdateSecurityAsync(IStorageSecurity security, IProgress progress = null, CancellationToken cancellationToken = default(CancellationToken));
public override Task UpdateSecurityAsync(IStorageSecurity security, IProgress progress = null, CancellationToken cancellationToken = default(CancellationToken))
{
// FIXME: warn
return(Task.CompletedTask);
}
