FileSystemProviderBase.GetFilePermissions(FileManagerFile) Method

Obtains the File Manager’s file permissions.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v18.2.dll

Declaration

C#

public virtual FileManagerFilePermissions GetFilePermissions(
    FileManagerFile file
)

VB.NET

Public Overridable Function GetFilePermissions(
    file As FileManagerFile
) As FileManagerFilePermissions

Parameters

Name	Type	Description
file	FileManagerFile	A FileManagerFile object representing the file.

Returns

Type	Description
FileManagerFilePermissions	A FileManagerFilePermissions object representing the file permissions.

Remarks

Refer to the Permissions topic to get more information on using the File Manager permissions.

Example

The following example illustrates how to specify permissions for files and folders within the ASPxFileManager.

Note

A complete sample project demonstrating this approach in action is available in the DevExpress Code Examples database at ASPxFileManager - How to implement a custom FileSystem provider and set required permissions to files or folders.

C#

public override FileManagerFilePermissions GetFilePermissions(FileManagerFile file) {
    int fileId = int.Parse(file.Id);
    Permissions permissions = Data.PermissionsSet.FirstOrDefault(p => p.Item.Id == fileId);
    if(permissions == null)
        return FileManagerFilePermissions.Default;
    return GetFilePermissionsInternal(permissions);
}

public override FileManagerFolderPermissions GetFolderPermissions(FileManagerFolder folder) {
    if(string.IsNullOrEmpty(folder.RelativeName))
        return FileManagerFolderPermissions.Default;
    int folderId = int.Parse(folder.Id);
    Permissions permissions = Data.PermissionsSet.FirstOrDefault(p => p.Item.Id == folderId);
    if(permissions == null)
        return FileManagerFolderPermissions.Default;
    return GetFolderPermissionsInternal(permissions);
}

FileManagerFilePermissions GetFilePermissionsInternal(Permissions permissions) {
    return (permissions.Delete ? FileManagerFilePermissions.Delete : FileManagerFilePermissions.Default)
        | (permissions.Move ? FileManagerFilePermissions.Move : FileManagerFilePermissions.Default)
        | (permissions.Copy ? FileManagerFilePermissions.Copy : FileManagerFilePermissions.Default)
        | (permissions.Rename ? FileManagerFilePermissions.Rename : FileManagerFilePermissions.Default)
        | (permissions.Download ? FileManagerFilePermissions.Download : FileManagerFilePermissions.Default);
}

FileManagerFolderPermissions GetFolderPermissionsInternal(Permissions permissions) {
    return (permissions.Delete ? FileManagerFolderPermissions.Delete : FileManagerFolderPermissions.Default)
        | (permissions.Move ? FileManagerFolderPermissions.Move : FileManagerFolderPermissions.Default)
        | (permissions.Copy ? FileManagerFolderPermissions.Copy : FileManagerFolderPermissions.Default)
        | (permissions.Rename ? FileManagerFolderPermissions.Rename : FileManagerFolderPermissions.Default)
        | (permissions.Create ? FileManagerFolderPermissions.Create : FileManagerFolderPermissions.Default)
        | (permissions.Upload ? FileManagerFolderPermissions.Upload : FileManagerFolderPermissions.Default)
        | (permissions.MoveOrCopyInto ? FileManagerFolderPermissions.MoveOrCopyInto : FileManagerFolderPermissions.Default);
}