neko/internal/session/session.go

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package session
import (
"github.com/rs/zerolog"
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"demodesk/neko/internal/types"
"demodesk/neko/internal/types/event"
"demodesk/neko/internal/types/message"
)
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type SessionCtx struct {
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id string
logger zerolog.Logger
manager *SessionManagerCtx
profile types.MemberProfile
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websocket_peer types.WebSocketPeer
websocket_connected bool
webrtc_peer types.WebRTCPeer
webrtc_connected bool
}
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func (session *SessionCtx) ID() string {
return session.id
}
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// ---
// profile
// ---
func (session *SessionCtx) VerifySecret(secret string) bool {
return session.profile.Secret == secret
}
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func (session *SessionCtx) Name() string {
return session.profile.Name
}
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func (session *SessionCtx) IsAdmin() bool {
return session.profile.IsAdmin
}
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func (session *SessionCtx) CanLogin() bool {
return session.profile.CanLogin
}
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func (session *SessionCtx) CanConnect() bool {
return session.profile.CanConnect
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}
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func (session *SessionCtx) CanWatch() bool {
return session.profile.CanWatch
}
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func (session *SessionCtx) CanHost() bool {
return session.profile.CanHost
}
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func (session *SessionCtx) CanAccessClipboard() bool {
return session.profile.CanAccessClipboard
}
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func (session *SessionCtx) GetProfile() types.MemberProfile {
profile := session.profile
profile.Secret = ""
return profile
}
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func (session *SessionCtx) profileChanged() {
if !session.CanHost() && session.IsHost() {
session.manager.ClearHost()
session.manager.Broadcast(
message.ControlHost{
Event: event.CONTROL_HOST,
HasHost: false,
}, nil)
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}
if !session.CanWatch() && session.IsWatching() {
if err := session.webrtc_peer.Destroy(); err != nil {
session.logger.Warn().Err(err).Msgf("webrtc destroy has failed")
}
}
if (!session.CanConnect() || !session.CanLogin()) && session.IsConnected() {
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if err := session.Disconnect("profile changed"); err != nil {
session.logger.Warn().Err(err).Msgf("websocket destroy has failed")
}
}
}
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// ---
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// state
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// ---
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func (session *SessionCtx) IsHost() bool {
return session.manager.host != nil && session.manager.host.ID() == session.ID()
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}
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func (session *SessionCtx) IsConnected() bool {
return session.websocket_connected
}
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func (session *SessionCtx) IsWatching() bool {
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return session.webrtc_connected
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}
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func (session *SessionCtx) GetState() types.MemberState {
// TODO: Save state in member struct.
return types.MemberState{
IsConnected: session.IsConnected(),
IsWatching: session.IsWatching(),
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}
}
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// ---
// webscoket
// ---
func (session *SessionCtx) SetWebSocketPeer(websocket_peer types.WebSocketPeer) {
session.websocket_peer = websocket_peer
}
func (session *SessionCtx) SetWebSocketConnected(connected bool) {
session.websocket_connected = connected
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if connected {
session.manager.emmiter.Emit("connected", session)
return
}
session.manager.emmiter.Emit("disconnected", session)
session.websocket_peer = nil
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if session.webrtc_peer != nil {
if err := session.webrtc_peer.Destroy(); err != nil {
session.logger.Warn().Err(err).Msgf("webrtc destroy has failed")
}
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}
}
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func (session *SessionCtx) Send(v interface{}) error {
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if session.websocket_peer == nil {
return nil
}
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return session.websocket_peer.Send(v)
}
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func (session *SessionCtx) Disconnect(reason string) error {
if err := session.Send(
message.SystemDisconnect{
Event: event.SYSTEM_DISCONNECT,
Message: reason,
}); err != nil {
return err
}
if session.websocket_peer != nil {
if err := session.websocket_peer.Destroy(); err != nil {
return err
}
}
if session.webrtc_peer != nil {
if err := session.webrtc_peer.Destroy(); err != nil {
return err
}
}
return nil
}
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// ---
// webrtc
// ---
func (session *SessionCtx) SetWebRTCPeer(webrtc_peer types.WebRTCPeer) {
session.webrtc_peer = webrtc_peer
}
func (session *SessionCtx) SetWebRTCConnected(connected bool) {
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session.webrtc_connected = connected
session.manager.emmiter.Emit("state_changed", session)
if !connected {
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session.webrtc_peer = nil
}
}
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func (session *SessionCtx) SignalAnswer(sdp string) error {
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if session.webrtc_peer == nil {
return nil
}
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return session.webrtc_peer.SignalAnswer(sdp)
}