neko/internal/websocket/handler/control.go

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package handler
import (
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"errors"
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"gitlab.com/demodesk/neko/server/pkg/types"
"gitlab.com/demodesk/neko/server/pkg/types/event"
"gitlab.com/demodesk/neko/server/pkg/types/message"
"gitlab.com/demodesk/neko/server/pkg/xorg"
)
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var (
ErrIsNotAllowedToHost = errors.New("is not allowed to host")
ErrIsNotTheHost = errors.New("is not the host")
ErrIsAlreadyTheHost = errors.New("is already the host")
ErrIsAlreadyHosted = errors.New("is already hosted")
)
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func (h *MessageHandlerCtx) controlRelease(session types.Session) error {
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if !session.Profile().CanHost {
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return ErrIsNotAllowedToHost
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}
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if !session.IsHost() {
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return ErrIsNotTheHost
}
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h.desktop.ResetKeys()
h.sessions.ClearHost()
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return nil
}
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func (h *MessageHandlerCtx) controlRequest(session types.Session) error {
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if !session.Profile().CanHost {
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return ErrIsNotAllowedToHost
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}
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if session.IsHost() {
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return ErrIsAlreadyTheHost
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}
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if !h.sessions.ImplicitHosting() {
// tell session if there is a host
if host := h.sessions.GetHost(); host != nil {
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session.Send(
event.CONTROL_HOST,
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message.ControlHost{
HasHost: true,
HostID: host.ID(),
})
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return ErrIsAlreadyHosted
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}
}
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h.sessions.SetHost(session)
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return nil
}
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func (h *MessageHandlerCtx) controlKeyPress(session types.Session, payload *message.ControlKey) error {
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if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
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}
return h.desktop.KeyPress(payload.Keysym)
}
func (h *MessageHandlerCtx) controlKeyDown(session types.Session, payload *message.ControlKey) error {
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if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
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}
return h.desktop.KeyDown(payload.Keysym)
}
func (h *MessageHandlerCtx) controlKeyUp(session types.Session, payload *message.ControlKey) error {
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if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
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}
return h.desktop.KeyUp(payload.Keysym)
}
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func (h *MessageHandlerCtx) controlCut(session types.Session) error {
if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
}
return h.desktop.KeyPress(xorg.XK_Control_L, xorg.XK_x)
}
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func (h *MessageHandlerCtx) controlCopy(session types.Session) error {
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if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
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}
return h.desktop.KeyPress(xorg.XK_Control_L, xorg.XK_c)
}
func (h *MessageHandlerCtx) controlPaste(session types.Session) error {
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if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
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}
return h.desktop.KeyPress(xorg.XK_Control_L, xorg.XK_v)
}
func (h *MessageHandlerCtx) controlSelectAll(session types.Session) error {
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if err := h.controlRequest(session); err != nil && !errors.Is(err, ErrIsAlreadyTheHost) {
return err
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}
return h.desktop.KeyPress(xorg.XK_Control_L, xorg.XK_a)
}