public static ServerInfo GetServerinfo(ServerEntry serverEntry)
{
if (serverEntry == null)
{
return(null);
}
// Get the specified associations.
AssociationType associationType = COMServerAssociationAttribute.GetAssociationType(serverEntry.Server.GetType());
IEnumerable <string> associations = COMServerAssociationAttribute.GetAssociations(serverEntry.Server.GetType());
ServerInfo serverInfo = new ServerInfo();
serverInfo.ServerName = serverEntry.ServerName;
serverInfo.ServerType = serverEntry.ServerType.ToString();
serverInfo.ClassId = serverEntry.ClassId.ToString();
serverInfo.SecurityStatus = serverEntry.GetSecurityStatus();
serverInfo.ServerPath = serverEntry.ServerPath;
serverInfo.IsInvalid = serverEntry.IsInvalid;
serverInfo.Association = associationType + " " + string.Join(", ", associations);
serverInfo.Info32 = SharpShell.ServerRegistration.ServerRegistrationManager.GetServerRegistrationInfo(serverEntry.Server.ServerClsid, RegistrationType.OS32Bit);
serverInfo.Info64 = SharpShell.ServerRegistration.ServerRegistrationManager.GetServerRegistrationInfo(serverEntry.Server.ServerClsid, RegistrationType.OS64Bit);
return(serverInfo);
}
public void Initialise(ServerEntry serverEntry)
{
if (serverEntry != null)
{
textBoxServerName.Text = serverEntry.ServerName;
textBoxServerType.Text = serverEntry.ServerType.ToString();
textBoxServerCLSID.Text = serverEntry.ClassId.ToString();
textBoxServerSecurity.Text = serverEntry.GetSecurityStatus();
textBoxAssemblyPath.Text = serverEntry.ServerPath;
// Get the specified associations.
var associationType = COMServerAssociationAttribute.GetAssociationType(serverEntry.Server.GetType());
var associations = COMServerAssociationAttribute.GetAssociations(serverEntry.Server.GetType());
textBoxAssociations.Text = associationType.ToString() + " " + string.Join(", ", associations);
// Now use the server registration manager to get the registration info
// for the different operating system architectures.
var info32 = ServerRegistrationManager.GetServerRegistrationInfo(serverEntry.Server.ServerClsid, RegistrationType.OS32Bit);
var info64 = ServerRegistrationManager.GetServerRegistrationInfo(serverEntry.Server.ServerClsid, RegistrationType.OS64Bit);
// By default, our installation info is going to be empty.
textBox32BitServer.Text = "Not Installed";
textBox64BitServer.Text = "Not Installed";
// Do we have 32 bit registration info?
if (info32 != null)
{
// Do we have a codebase?
if (!string.IsNullOrEmpty(info32.CodeBase))
{
textBox32BitServer.Text = info32.CodeBase;
}
else if (!string.IsNullOrEmpty(info32.Assembly))
{
textBox32BitServer.Text = info32.Assembly + " (GAC)";
}
}
// Do we have 32 bit registration info?
if (info64 != null)
{
// Do we have a codebase?
if (!string.IsNullOrEmpty(info64.CodeBase))
{
textBox64BitServer.Text = info64.CodeBase;
}
else if (!string.IsNullOrEmpty(info64.Assembly))
{
textBox64BitServer.Text = info64.Assembly + " (GAC)";
}
}
}
}
/// <summary>
/// Actually performs unregistration. The ComUnregisterFunction decorated method will call this function
/// internally with the flag appropriate for the operating system processor architecture.
/// However, this function can also be called manually if needed.
/// </summary>
/// <param name="type">The type of object to unregister, this must be a SharpShellServer derived class.</param>
/// <param name="registrationType">Type of the registration to unregister.</param>
internal static void DoUnregister(Type type, RegistrationType registrationType)
{
// Get the assoication data.
var associationType = COMServerAssociationAttribute.GetAssociationType(type);
var associations = COMServerAssociationAttribute.GetAssociations(type);
// Get the server type.
var serverType = ServerTypeAttribute.GetServerType(type);
// Unregister the server associations, if there are any.
if (associationType != AssociationType.None)
{
ServerRegistrationManager.UnregisterServerAssociations(
type.GUID, serverType, type.Name, associationType, associations, registrationType);
}
// Execute the custom unregister function, if there is one.
CustomUnregisterFunctionAttribute.ExecuteIfExists(type, registrationType);
}
/// <summary>
/// Determines whether a server is associated with a shell item.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="shellItem">The shell item.</param>
/// <returns>
/// <c>true</c> if a server is associated with the shell item; otherwise, <c>false</c>.
/// </returns>
private bool IsServerAssociatedWithShellItem(ISharpShellServer server, ShellItem shellItem)
{
// If we don't have the server, bail.
if (server == null || shellItem == null)
{
return(false);
}
// Get the associations.
var associationType = COMServerAssociationAttribute.GetAssociationType(server.GetType());
var associations = COMServerAssociationAttribute.GetAssociations(server.GetType());
// TODO: This is potentially a very useful check - maybe it should be moved into the
// COMServerAssociationAttribute class so that it can be reused.
// We have a special case for icon overlays.
if (server is SharpIconOverlayHandler && TestIconOverlayHandler != null && shellItem.Attributes.HasFlag(SFGAO.SFGAO_FILESYSTEM))
{
if (((IShellIconOverlayIdentifier)TestIconOverlayHandler).IsMemberOf(shellItem.Path, FILE_ATTRIBUTE.FILE_ATTRIBUTE_NORMAL) == 0)
{
return(true);
}
}
// Based on the assocation type, we can check the shell item.
switch (associationType)
{
case AssociationType.FileExtension:
// File extensions are easy to check.
if (shellItem.Attributes.HasFlag(SFGAO.SFGAO_FILESYSTEM))
{
return
(associations.Any(
a =>
string.Compare(Path.GetExtension(shellItem.DisplayName), a,
StringComparison.OrdinalIgnoreCase) == 0));
}
break;
case AssociationType.ClassOfExtension:
// TODO must be tested.
if (shellItem.Attributes.HasFlag(SFGAO.SFGAO_FILESYSTEM))
{
// Get our class.
var fileClass = ServerRegistrationManager.GetClassForExtension(Path.GetExtension(shellItem.DisplayName));
// Do we match it?
return(associations.Any(a => string.Compare(fileClass, ServerRegistrationManager.GetClassForExtension(a), StringComparison.InvariantCultureIgnoreCase) == 0));
}
break;
case AssociationType.Class:
// TODO must be tested.
break;
case AssociationType.AllFiles:
// TODO must be tested.
return(shellItem.Attributes.HasFlag(SFGAO.SFGAO_FILESYSTEM) && shellItem.IsFolder == false);
case AssociationType.Directory:
// Directories are filesystem, not streams, and folder.
return(shellItem.Attributes.HasFlag(SFGAO.SFGAO_FILESYSTEM) && !shellItem.Attributes.HasFlag(SFGAO.SFGAO_STREAM) && shellItem.IsFolder);
case AssociationType.Drive:
// TODO must be tested.
return(shellItem.Attributes.HasFlag(SFGAO.SFGAO_STORAGEANCESTOR));
case AssociationType.UnknownFiles:
// TODO must be tested.
break;
}
return(false);
}
/// <summary>
/// Determines whether a server is associated with a shell item.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="shellItem">The shell item.</param>
/// <returns>
/// <c>true</c> if a server is associated with the shell item; otherwise, <c>false</c>.
/// </returns>
private bool IsServerAssociatedWithShellItem(ISharpShellServer server, ShellItem shellItem)
{
// If we don't have the server, bail.
if (server == null || shellItem == null)
{
return(false);
}
// Get the associations.
var associationType = COMServerAssociationAttribute.GetAssociationType(server.GetType());
var associations = COMServerAssociationAttribute.GetAssociations(server.GetType());
// TODO: This is potentially a very useful check - maybe it should be moved into the
// COMServerAssociationAttribute class so that it can be reused.
// Based on the assocation type, we can check the shell item.
switch (associationType)
{
case AssociationType.FileExtension:
// TODO must be tested.
// File extensions are easy to check.
if (shellItem.Attributes.HasFlag(SFGAOF.SFGAO_FILESYSTEM))
{
return
(associations.Any(
a =>
string.Compare(Path.GetExtension(shellItem.DisplayName), "." + a,
StringComparison.OrdinalIgnoreCase) == 0));
}
break;
case AssociationType.ClassOfExtension:
// TODO must be tested.
if (shellItem.Attributes.HasFlag(SFGAOF.SFGAO_FILESYSTEM))
{
// Get our class.
var fileClass = ServerRegistrationManager.GetClassForExtension(Path.GetExtension(shellItem.DisplayName));
// Do we match it?
return(associations.Any(a => string.Compare(fileClass, ServerRegistrationManager.GetClassForExtension(a), StringComparison.InvariantCultureIgnoreCase) == 0));
}
break;
case AssociationType.Class:
// TODO must be tested.
break;
case AssociationType.AllFiles:
// TODO must be tested.
return(shellItem.Attributes.HasFlag(SFGAOF.SFGAO_FILESYSTEM) && shellItem.IsFolder == false);
case AssociationType.Directory:
// Directories are filesystem, not streams, and folder.
return(shellItem.Attributes.HasFlag(SFGAOF.SFGAO_FILESYSTEM) && !shellItem.Attributes.HasFlag(SFGAOF.SFGAO_STREAM) && shellItem.IsFolder);
case AssociationType.Drive:
// TODO must be tested.
return(shellItem.Attributes.HasFlag(SFGAOF.SFGAO_STORAGEANCESTOR));
case AssociationType.UnknownFiles:
// TODO must be tested.
break;
default:
throw new ArgumentOutOfRangeException();
}
return(false);
}
