core/server: add generic dbus service

- Add QML client with subscribe/introspect/getprop/setprop/call
- Add CLI helper `dms notify` that allows async calls with action
  handlers.

core/internal/server/bluez/manager.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/dbusutil"
 	"github.com/godbus/dbus/v5"
 )
 
@@ -110,17 +111,15 @@ func (m *Manager) updateAdapterState() error {
 	if err != nil {
 		return err
 	}
-	powered, _ := poweredVar.Value().(bool)
 
 	discoveringVar, err := obj.GetProperty(adapter1Iface + ".Discovering")
 	if err != nil {
 		return err
 	}
-	discovering, _ := discoveringVar.Value().(bool)
 
 	m.stateMutex.Lock()
-	m.state.Powered = powered
-	m.state.Discovering = discovering
+	m.state.Powered = dbusutil.AsOr(poweredVar, false)
+	m.state.Discovering = dbusutil.AsOr(discoveringVar, false)
 	m.stateMutex.Unlock()
 
 	return nil
@@ -169,65 +168,20 @@ func (m *Manager) updateDevices() error {
 }
 
 func (m *Manager) deviceFromProps(path string, props map[string]dbus.Variant) Device {
-	dev := Device{Path: path}
-
-	if v, ok := props["Address"]; ok {
-		if addr, ok := v.Value().(string); ok {
-			dev.Address = addr
-		}
+	return Device{
+		Path:          path,
+		Address:       dbusutil.GetOr(props, "Address", ""),
+		Name:          dbusutil.GetOr(props, "Name", ""),
+		Alias:         dbusutil.GetOr(props, "Alias", ""),
+		Paired:        dbusutil.GetOr(props, "Paired", false),
+		Trusted:       dbusutil.GetOr(props, "Trusted", false),
+		Blocked:       dbusutil.GetOr(props, "Blocked", false),
+		Connected:     dbusutil.GetOr(props, "Connected", false),
+		Class:         dbusutil.GetOr(props, "Class", uint32(0)),
+		Icon:          dbusutil.GetOr(props, "Icon", ""),
+		RSSI:          dbusutil.GetOr(props, "RSSI", int16(0)),
+		LegacyPairing: dbusutil.GetOr(props, "LegacyPairing", false),
 	}
-	if v, ok := props["Name"]; ok {
-		if name, ok := v.Value().(string); ok {
-			dev.Name = name
-		}
-	}
-	if v, ok := props["Alias"]; ok {
-		if alias, ok := v.Value().(string); ok {
-			dev.Alias = alias
-		}
-	}
-	if v, ok := props["Paired"]; ok {
-		if paired, ok := v.Value().(bool); ok {
-			dev.Paired = paired
-		}
-	}
-	if v, ok := props["Trusted"]; ok {
-		if trusted, ok := v.Value().(bool); ok {
-			dev.Trusted = trusted
-		}
-	}
-	if v, ok := props["Blocked"]; ok {
-		if blocked, ok := v.Value().(bool); ok {
-			dev.Blocked = blocked
-		}
-	}
-	if v, ok := props["Connected"]; ok {
-		if connected, ok := v.Value().(bool); ok {
-			dev.Connected = connected
-		}
-	}
-	if v, ok := props["Class"]; ok {
-		if class, ok := v.Value().(uint32); ok {
-			dev.Class = class
-		}
-	}
-	if v, ok := props["Icon"]; ok {
-		if icon, ok := v.Value().(string); ok {
-			dev.Icon = icon
-		}
-	}
-	if v, ok := props["RSSI"]; ok {
-		if rssi, ok := v.Value().(int16); ok {
-			dev.RSSI = rssi
-		}
-	}
-	if v, ok := props["LegacyPairing"]; ok {
-		if legacy, ok := v.Value().(bool); ok {
-			dev.LegacyPairing = legacy
-		}
-	}
-
-	return dev
 }
 
 func (m *Manager) startAgent() error {
@@ -328,17 +282,13 @@ func (m *Manager) handleAdapterPropertiesChanged(changed map[string]dbus.Variant
 	m.stateMutex.Lock()
 	dirty := false
 
-	if v, ok := changed["Powered"]; ok {
-		if powered, ok := v.Value().(bool); ok {
-			m.state.Powered = powered
-			dirty = true
-		}
+	if powered, ok := dbusutil.Get[bool](changed, "Powered"); ok {
+		m.state.Powered = powered
+		dirty = true
 	}
-	if v, ok := changed["Discovering"]; ok {
-		if discovering, ok := v.Value().(bool); ok {
-			m.state.Discovering = discovering
-			dirty = true
-		}
+	if discovering, ok := dbusutil.Get[bool](changed, "Discovering"); ok {
+		m.state.Discovering = discovering
+		dirty = true
 	}
 
 	m.stateMutex.Unlock()
@@ -349,31 +299,28 @@ func (m *Manager) handleAdapterPropertiesChanged(changed map[string]dbus.Variant
 }
 
 func (m *Manager) handleDevicePropertiesChanged(path dbus.ObjectPath, changed map[string]dbus.Variant) {
-	pairedVar, hasPaired := changed["Paired"]
+	paired, hasPaired := dbusutil.Get[bool](changed, "Paired")
 	_, hasConnected := changed["Connected"]
 	_, hasTrusted := changed["Trusted"]
 
 	if hasPaired {
 		devicePath := string(path)
-		if paired, ok := pairedVar.Value().(bool); ok {
-			if paired {
-				_, wasPending := m.pendingPairings.LoadAndDelete(devicePath)
-
-				if wasPending {
-					select {
-					case m.eventQueue <- func() {
-						time.Sleep(300 * time.Millisecond)
-						log.Infof("[Bluetooth] Auto-connecting newly paired device: %s", devicePath)
-						if err := m.ConnectDevice(devicePath); err != nil {
-							log.Warnf("[Bluetooth] Auto-connect failed: %v", err)
-						}
-					}:
-					default:
+		if paired {
+			_, wasPending := m.pendingPairings.LoadAndDelete(devicePath)
+			if wasPending {
+				select {
+				case m.eventQueue <- func() {
+					time.Sleep(300 * time.Millisecond)
+					log.Infof("[Bluetooth] Auto-connecting newly paired device: %s", devicePath)
+					if err := m.ConnectDevice(devicePath); err != nil {
+						log.Warnf("[Bluetooth] Auto-connect failed: %v", err)
 					}
+				}:
+				default:
 				}
-			} else {
-				m.pendingPairings.Delete(devicePath)
 			}
+		} else {
+			m.pendingPairings.Delete(devicePath)
 		}
 	}
 

core/internal/server/dbus/handlers.go

@@ -0,0 +1,237 @@
+package dbus
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/models"
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/params"
+)
+
+type objectParams struct {
+	bus   string
+	dest  string
+	path  string
+	iface string
+}
+
+func extractObjectParams(p map[string]any, requirePath bool) (objectParams, error) {
+	bus, err := params.String(p, "bus")
+	if err != nil {
+		return objectParams{}, err
+	}
+	dest, err := params.String(p, "dest")
+	if err != nil {
+		return objectParams{}, err
+	}
+
+	var path string
+	if requirePath {
+		path, err = params.String(p, "path")
+		if err != nil {
+			return objectParams{}, err
+		}
+	} else {
+		path = params.StringOpt(p, "path", "/")
+	}
+
+	iface, err := params.String(p, "interface")
+	if err != nil {
+		return objectParams{}, err
+	}
+
+	return objectParams{bus: bus, dest: dest, path: path, iface: iface}, nil
+}
+
+func HandleRequest(conn net.Conn, req models.Request, m *Manager, clientID string) {
+	switch req.Method {
+	case "dbus.call":
+		handleCall(conn, req, m)
+	case "dbus.getProperty":
+		handleGetProperty(conn, req, m)
+	case "dbus.setProperty":
+		handleSetProperty(conn, req, m)
+	case "dbus.getAllProperties":
+		handleGetAllProperties(conn, req, m)
+	case "dbus.introspect":
+		handleIntrospect(conn, req, m)
+	case "dbus.listNames":
+		handleListNames(conn, req, m)
+	case "dbus.subscribe":
+		handleSubscribe(conn, req, m, clientID)
+	case "dbus.unsubscribe":
+		handleUnsubscribe(conn, req, m)
+	default:
+		models.RespondError(conn, req.ID, fmt.Sprintf("unknown method: %s", req.Method))
+	}
+}
+
+func handleCall(conn net.Conn, req models.Request, m *Manager) {
+	op, err := extractObjectParams(req.Params, true)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	method, err := params.String(req.Params, "method")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	var args []any
+	if argsRaw, ok := params.Any(req.Params, "args"); ok {
+		if argsSlice, ok := argsRaw.([]any); ok {
+			args = argsSlice
+		}
+	}
+
+	result, err := m.Call(op.bus, op.dest, op.path, op.iface, method, args)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, result)
+}
+
+func handleGetProperty(conn net.Conn, req models.Request, m *Manager) {
+	op, err := extractObjectParams(req.Params, true)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	property, err := params.String(req.Params, "property")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	result, err := m.GetProperty(op.bus, op.dest, op.path, op.iface, property)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, result)
+}
+
+func handleSetProperty(conn net.Conn, req models.Request, m *Manager) {
+	op, err := extractObjectParams(req.Params, true)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	property, err := params.String(req.Params, "property")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	value, ok := params.Any(req.Params, "value")
+	if !ok {
+		models.RespondError(conn, req.ID, "missing 'value' parameter")
+		return
+	}
+
+	if err := m.SetProperty(op.bus, op.dest, op.path, op.iface, property, value); err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, models.SuccessResult{Success: true})
+}
+
+func handleGetAllProperties(conn net.Conn, req models.Request, m *Manager) {
+	op, err := extractObjectParams(req.Params, true)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	result, err := m.GetAllProperties(op.bus, op.dest, op.path, op.iface)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, result)
+}
+
+func handleIntrospect(conn net.Conn, req models.Request, m *Manager) {
+	bus, err := params.String(req.Params, "bus")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	dest, err := params.String(req.Params, "dest")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	path := params.StringOpt(req.Params, "path", "/")
+
+	result, err := m.Introspect(bus, dest, path)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, result)
+}
+
+func handleListNames(conn net.Conn, req models.Request, m *Manager) {
+	bus, err := params.String(req.Params, "bus")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	result, err := m.ListNames(bus)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, result)
+}
+
+func handleSubscribe(conn net.Conn, req models.Request, m *Manager, clientID string) {
+	bus, err := params.String(req.Params, "bus")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	sender := params.StringOpt(req.Params, "sender", "")
+	path := params.StringOpt(req.Params, "path", "")
+	iface := params.StringOpt(req.Params, "interface", "")
+	member := params.StringOpt(req.Params, "member", "")
+
+	result, err := m.Subscribe(clientID, bus, sender, path, iface, member)
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, result)
+}
+
+func handleUnsubscribe(conn net.Conn, req models.Request, m *Manager) {
+	subID, err := params.String(req.Params, "subscriptionId")
+	if err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	if err := m.Unsubscribe(subID); err != nil {
+		models.RespondError(conn, req.ID, err.Error())
+		return
+	}
+
+	models.Respond(conn, req.ID, models.SuccessResult{Success: true})
+}

core/internal/server/dbus/manager.go

@@ -0,0 +1,362 @@
+package dbus
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"fmt"
+	"strings"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/dbusutil"
+	"github.com/godbus/dbus/v5"
+)
+
+func NewManager() (*Manager, error) {
+	systemConn, err := dbus.ConnectSystemBus()
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to system bus: %w", err)
+	}
+
+	sessionConn, err := dbus.ConnectSessionBus()
+	if err != nil {
+		systemConn.Close()
+		return nil, fmt.Errorf("failed to connect to session bus: %w", err)
+	}
+
+	m := &Manager{
+		systemConn:  systemConn,
+		sessionConn: sessionConn,
+	}
+
+	go m.processSystemSignals()
+	go m.processSessionSignals()
+
+	return m, nil
+}
+
+func (m *Manager) getConn(bus string) (*dbus.Conn, error) {
+	switch bus {
+	case "system":
+		if m.systemConn == nil {
+			return nil, fmt.Errorf("system bus not connected")
+		}
+		return m.systemConn, nil
+	case "session":
+		if m.sessionConn == nil {
+			return nil, fmt.Errorf("session bus not connected")
+		}
+		return m.sessionConn, nil
+	default:
+		return nil, fmt.Errorf("invalid bus: %s (must be 'system' or 'session')", bus)
+	}
+}
+
+func (m *Manager) Call(bus, dest, path, iface, method string, args []any) (*CallResult, error) {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return nil, err
+	}
+
+	obj := conn.Object(dest, dbus.ObjectPath(path))
+	fullMethod := iface + "." + method
+
+	call := obj.Call(fullMethod, 0, args...)
+	if call.Err != nil {
+		return nil, fmt.Errorf("dbus call failed: %w", call.Err)
+	}
+
+	return &CallResult{Values: call.Body}, nil
+}
+
+func (m *Manager) GetProperty(bus, dest, path, iface, property string) (*PropertyResult, error) {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return nil, err
+	}
+
+	obj := conn.Object(dest, dbus.ObjectPath(path))
+
+	var variant dbus.Variant
+	err = obj.Call("org.freedesktop.DBus.Properties.Get", 0, iface, property).Store(&variant)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get property: %w", err)
+	}
+
+	return &PropertyResult{Value: dbusutil.Normalize(variant.Value())}, nil
+}
+
+func (m *Manager) SetProperty(bus, dest, path, iface, property string, value any) error {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return err
+	}
+
+	obj := conn.Object(dest, dbus.ObjectPath(path))
+
+	call := obj.Call("org.freedesktop.DBus.Properties.Set", 0, iface, property, dbus.MakeVariant(value))
+	if call.Err != nil {
+		return fmt.Errorf("failed to set property: %w", call.Err)
+	}
+
+	return nil
+}
+
+func (m *Manager) GetAllProperties(bus, dest, path, iface string) (map[string]any, error) {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return nil, err
+	}
+
+	obj := conn.Object(dest, dbus.ObjectPath(path))
+
+	var props map[string]dbus.Variant
+	err = obj.Call("org.freedesktop.DBus.Properties.GetAll", 0, iface).Store(&props)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get properties: %w", err)
+	}
+
+	result := make(map[string]any)
+	for k, v := range props {
+		result[k] = dbusutil.Normalize(v.Value())
+	}
+
+	return result, nil
+}
+
+func (m *Manager) Introspect(bus, dest, path string) (*IntrospectResult, error) {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return nil, err
+	}
+
+	obj := conn.Object(dest, dbus.ObjectPath(path))
+
+	var xml string
+	err = obj.Call("org.freedesktop.DBus.Introspectable.Introspect", 0).Store(&xml)
+	if err != nil {
+		return nil, fmt.Errorf("failed to introspect: %w", err)
+	}
+
+	return &IntrospectResult{XML: xml}, nil
+}
+
+func (m *Manager) ListNames(bus string) (*ListNamesResult, error) {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return nil, err
+	}
+
+	var names []string
+	err = conn.BusObject().Call("org.freedesktop.DBus.ListNames", 0).Store(&names)
+	if err != nil {
+		return nil, fmt.Errorf("failed to list names: %w", err)
+	}
+
+	return &ListNamesResult{Names: names}, nil
+}
+
+func (m *Manager) Subscribe(clientID, bus, sender, path, iface, member string) (*SubscribeResult, error) {
+	conn, err := m.getConn(bus)
+	if err != nil {
+		return nil, err
+	}
+
+	subID := generateSubscriptionID()
+
+	parts := []string{"type='signal'"}
+	if sender != "" {
+		parts = append(parts, fmt.Sprintf("sender='%s'", sender))
+	}
+	if path != "" {
+		parts = append(parts, fmt.Sprintf("path='%s'", path))
+	}
+	if iface != "" {
+		parts = append(parts, fmt.Sprintf("interface='%s'", iface))
+	}
+	if member != "" {
+		parts = append(parts, fmt.Sprintf("member='%s'", member))
+	}
+	matchRule := strings.Join(parts, ",")
+
+	call := conn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, matchRule)
+	if call.Err != nil {
+		return nil, fmt.Errorf("failed to add match rule: %w", call.Err)
+	}
+
+	sub := &signalSubscription{
+		Bus:       bus,
+		Sender:    sender,
+		Path:      path,
+		Interface: iface,
+		Member:    member,
+		ClientID:  clientID,
+	}
+	m.subscriptions.Store(subID, sub)
+
+	log.Debugf("dbus: subscribed %s to %s", subID, matchRule)
+
+	return &SubscribeResult{SubscriptionID: subID}, nil
+}
+
+func (m *Manager) Unsubscribe(subID string) error {
+	sub, ok := m.subscriptions.LoadAndDelete(subID)
+	if !ok {
+		return fmt.Errorf("subscription not found: %s", subID)
+	}
+
+	conn, err := m.getConn(sub.Bus)
+	if err != nil {
+		return err
+	}
+
+	parts := []string{"type='signal'"}
+	if sub.Sender != "" {
+		parts = append(parts, fmt.Sprintf("sender='%s'", sub.Sender))
+	}
+	if sub.Path != "" {
+		parts = append(parts, fmt.Sprintf("path='%s'", sub.Path))
+	}
+	if sub.Interface != "" {
+		parts = append(parts, fmt.Sprintf("interface='%s'", sub.Interface))
+	}
+	if sub.Member != "" {
+		parts = append(parts, fmt.Sprintf("member='%s'", sub.Member))
+	}
+	matchRule := strings.Join(parts, ",")
+
+	call := conn.BusObject().Call("org.freedesktop.DBus.RemoveMatch", 0, matchRule)
+	if call.Err != nil {
+		log.Warnf("dbus: failed to remove match rule: %v", call.Err)
+	}
+
+	log.Debugf("dbus: unsubscribed %s", subID)
+
+	return nil
+}
+
+func (m *Manager) UnsubscribeClient(clientID string) {
+	var toDelete []string
+	m.subscriptions.Range(func(subID string, sub *signalSubscription) bool {
+		if sub.ClientID == clientID {
+			toDelete = append(toDelete, subID)
+		}
+		return true
+	})
+
+	for _, subID := range toDelete {
+		if err := m.Unsubscribe(subID); err != nil {
+			log.Warnf("dbus: failed to unsubscribe %s: %v", subID, err)
+		}
+	}
+}
+
+func (m *Manager) SubscribeSignals(clientID string) chan SignalEvent {
+	ch := make(chan SignalEvent, 64)
+	existing, loaded := m.signalSubscribers.LoadOrStore(clientID, ch)
+	if loaded {
+		return existing
+	}
+	return ch
+}
+
+func (m *Manager) UnsubscribeSignals(clientID string) {
+	if ch, ok := m.signalSubscribers.LoadAndDelete(clientID); ok {
+		close(ch)
+	}
+	m.UnsubscribeClient(clientID)
+}
+
+func (m *Manager) processSystemSignals() {
+	if m.systemConn == nil {
+		return
+	}
+	ch := make(chan *dbus.Signal, 256)
+	m.systemConn.Signal(ch)
+
+	for sig := range ch {
+		m.dispatchSignal("system", sig)
+	}
+}
+
+func (m *Manager) processSessionSignals() {
+	if m.sessionConn == nil {
+		return
+	}
+	ch := make(chan *dbus.Signal, 256)
+	m.sessionConn.Signal(ch)
+
+	for sig := range ch {
+		m.dispatchSignal("session", sig)
+	}
+}
+
+func (m *Manager) dispatchSignal(bus string, sig *dbus.Signal) {
+	path := string(sig.Path)
+	iface := ""
+	member := sig.Name
+
+	if idx := strings.LastIndex(sig.Name, "."); idx != -1 {
+		iface = sig.Name[:idx]
+		member = sig.Name[idx+1:]
+	}
+
+	m.subscriptions.Range(func(subID string, sub *signalSubscription) bool {
+		if sub.Bus != bus {
+			return true
+		}
+		if sub.Path != "" && sub.Path != path && !strings.HasPrefix(path, sub.Path) {
+			return true
+		}
+		if sub.Interface != "" && sub.Interface != iface {
+			return true
+		}
+		if sub.Member != "" && sub.Member != member {
+			return true
+		}
+
+		event := SignalEvent{
+			SubscriptionID: subID,
+			Sender:         sig.Sender,
+			Path:           path,
+			Interface:      iface,
+			Member:         member,
+			Body:           dbusutil.NormalizeSlice(sig.Body),
+		}
+
+		ch, ok := m.signalSubscribers.Load(sub.ClientID)
+		if !ok {
+			return true
+		}
+
+		select {
+		case ch <- event:
+		default:
+			log.Warnf("dbus: channel full for %s, dropping signal", subID)
+		}
+
+		return true
+	})
+}
+
+func (m *Manager) Close() {
+	m.signalSubscribers.Range(func(clientID string, ch chan SignalEvent) bool {
+		close(ch)
+		m.signalSubscribers.Delete(clientID)
+		return true
+	})
+
+	if m.systemConn != nil {
+		m.systemConn.Close()
+	}
+	if m.sessionConn != nil {
+		m.sessionConn.Close()
+	}
+}
+
+func generateSubscriptionID() string {
+	b := make([]byte, 8)
+	if _, err := rand.Read(b); err != nil {
+		log.Warnf("dbus: failed to generate random subscription ID: %v", err)
+	}
+	return hex.EncodeToString(b)
+}

core/internal/server/dbus/types.go

@@ -0,0 +1,52 @@
+package dbus
+
+import (
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/syncmap"
+	"github.com/godbus/dbus/v5"
+)
+
+type Manager struct {
+	systemConn  *dbus.Conn
+	sessionConn *dbus.Conn
+
+	subscriptions     syncmap.Map[string, *signalSubscription]
+	signalSubscribers syncmap.Map[string, chan SignalEvent]
+}
+
+type signalSubscription struct {
+	Bus       string
+	Sender    string
+	Path      string
+	Interface string
+	Member    string
+	ClientID  string
+}
+
+type SignalEvent struct {
+	SubscriptionID string `json:"subscriptionId"`
+	Sender         string `json:"sender"`
+	Path           string `json:"path"`
+	Interface      string `json:"interface"`
+	Member         string `json:"member"`
+	Body           []any  `json:"body"`
+}
+
+type CallResult struct {
+	Values []any `json:"values"`
+}
+
+type PropertyResult struct {
+	Value any `json:"value"`
+}
+
+type IntrospectResult struct {
+	XML string `json:"xml"`
+}
+
+type ListNamesResult struct {
+	Names []string `json:"names"`
+}
+
+type SubscribeResult struct {
+	SubscriptionID string `json:"subscriptionId"`
+}

core/internal/server/freedesktop/manager.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"sync"
 
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/dbusutil"
 	"github.com/godbus/dbus/v5"
 )
 
@@ -110,61 +111,17 @@ func (m *Manager) updateAccountsState() error {
 	m.stateMutex.Lock()
 	defer m.stateMutex.Unlock()
 
-	if v, ok := props["IconFile"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.IconFile = val
-		}
-	}
-	if v, ok := props["RealName"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.RealName = val
-		}
-	}
-	if v, ok := props["UserName"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.UserName = val
-		}
-	}
-	if v, ok := props["AccountType"]; ok {
-		if val, ok := v.Value().(int32); ok {
-			m.state.Accounts.AccountType = val
-		}
-	}
-	if v, ok := props["HomeDirectory"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.HomeDirectory = val
-		}
-	}
-	if v, ok := props["Shell"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.Shell = val
-		}
-	}
-	if v, ok := props["Email"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.Email = val
-		}
-	}
-	if v, ok := props["Language"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.Language = val
-		}
-	}
-	if v, ok := props["Location"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Accounts.Location = val
-		}
-	}
-	if v, ok := props["Locked"]; ok {
-		if val, ok := v.Value().(bool); ok {
-			m.state.Accounts.Locked = val
-		}
-	}
-	if v, ok := props["PasswordMode"]; ok {
-		if val, ok := v.Value().(int32); ok {
-			m.state.Accounts.PasswordMode = val
-		}
-	}
+	m.state.Accounts.IconFile = dbusutil.GetOr(props, "IconFile", "")
+	m.state.Accounts.RealName = dbusutil.GetOr(props, "RealName", "")
+	m.state.Accounts.UserName = dbusutil.GetOr(props, "UserName", "")
+	m.state.Accounts.AccountType = dbusutil.GetOr(props, "AccountType", int32(0))
+	m.state.Accounts.HomeDirectory = dbusutil.GetOr(props, "HomeDirectory", "")
+	m.state.Accounts.Shell = dbusutil.GetOr(props, "Shell", "")
+	m.state.Accounts.Email = dbusutil.GetOr(props, "Email", "")
+	m.state.Accounts.Language = dbusutil.GetOr(props, "Language", "")
+	m.state.Accounts.Location = dbusutil.GetOr(props, "Location", "")
+	m.state.Accounts.Locked = dbusutil.GetOr(props, "Locked", false)
+	m.state.Accounts.PasswordMode = dbusutil.GetOr(props, "PasswordMode", int32(0))
 
 	return nil
 }
@@ -180,7 +137,7 @@ func (m *Manager) updateSettingsState() error {
 		return err
 	}
 
-	if colorScheme, ok := variant.Value().(uint32); ok {
+	if colorScheme, ok := dbusutil.As[uint32](variant); ok {
 		m.stateMutex.Lock()
 		m.state.Settings.ColorScheme = colorScheme
 		m.stateMutex.Unlock()

core/internal/server/loginctl/manager.go

@@ -7,6 +7,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/dbusutil"
 	"github.com/godbus/dbus/v5"
 )
 
@@ -132,37 +133,15 @@ func (m *Manager) updateSessionState() error {
 	m.stateMutex.Lock()
 	defer m.stateMutex.Unlock()
 
-	if v, ok := props["Active"]; ok {
-		if val, ok := v.Value().(bool); ok {
-			m.state.Active = val
-		}
-	}
-	if v, ok := props["IdleHint"]; ok {
-		if val, ok := v.Value().(bool); ok {
-			m.state.IdleHint = val
-		}
-	}
-	if v, ok := props["IdleSinceHint"]; ok {
-		if val, ok := v.Value().(uint64); ok {
-			m.state.IdleSinceHint = val
-		}
-	}
-	if v, ok := props["LockedHint"]; ok {
-		if val, ok := v.Value().(bool); ok {
-			m.state.LockedHint = val
-			m.state.Locked = val
-		}
-	}
-	if v, ok := props["Type"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.SessionType = val
-		}
-	}
-	if v, ok := props["Class"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.SessionClass = val
-		}
+	m.state.Active = dbusutil.GetOr(props, "Active", m.state.Active)
+	m.state.IdleHint = dbusutil.GetOr(props, "IdleHint", m.state.IdleHint)
+	m.state.IdleSinceHint = dbusutil.GetOr(props, "IdleSinceHint", m.state.IdleSinceHint)
+	if lockedHint, ok := dbusutil.Get[bool](props, "LockedHint"); ok {
+		m.state.LockedHint = lockedHint
+		m.state.Locked = lockedHint
 	}
+	m.state.SessionType = dbusutil.GetOr(props, "Type", m.state.SessionType)
+	m.state.SessionClass = dbusutil.GetOr(props, "Class", m.state.SessionClass)
 	if v, ok := props["User"]; ok {
 		if userArr, ok := v.Value().([]any); ok && len(userArr) >= 1 {
 			if uid, ok := userArr[0].(uint32); ok {
@@ -170,36 +149,12 @@ func (m *Manager) updateSessionState() error {
 			}
 		}
 	}
-	if v, ok := props["Name"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.UserName = val
-		}
-	}
-	if v, ok := props["RemoteHost"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.RemoteHost = val
-		}
-	}
-	if v, ok := props["Service"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Service = val
-		}
-	}
-	if v, ok := props["TTY"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.TTY = val
-		}
-	}
-	if v, ok := props["Display"]; ok {
-		if val, ok := v.Value().(string); ok {
-			m.state.Display = val
-		}
-	}
-	if v, ok := props["Remote"]; ok {
-		if val, ok := v.Value().(bool); ok {
-			m.state.Remote = val
-		}
-	}
+	m.state.UserName = dbusutil.GetOr(props, "Name", m.state.UserName)
+	m.state.RemoteHost = dbusutil.GetOr(props, "RemoteHost", m.state.RemoteHost)
+	m.state.Service = dbusutil.GetOr(props, "Service", m.state.Service)
+	m.state.TTY = dbusutil.GetOr(props, "TTY", m.state.TTY)
+	m.state.Display = dbusutil.GetOr(props, "Display", m.state.Display)
+	m.state.Remote = dbusutil.GetOr(props, "Remote", m.state.Remote)
 	if v, ok := props["Seat"]; ok {
 		if seatArr, ok := v.Value().([]any); ok && len(seatArr) >= 1 {
 			if seatID, ok := seatArr[0].(string); ok {
@@ -207,11 +162,7 @@ func (m *Manager) updateSessionState() error {
 			}
 		}
 	}
-	if v, ok := props["VTNr"]; ok {
-		if val, ok := v.Value().(uint32); ok {
-			m.state.VTNr = val
-		}
-	}
+	m.state.VTNr = dbusutil.GetOr(props, "VTNr", m.state.VTNr)
 
 	return nil
 }

core/internal/server/loginctl/monitor.go

@@ -3,6 +3,7 @@ package loginctl
 import (
 	"time"
 
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/dbusutil"
 	"github.com/godbus/dbus/v5"
 )
 
@@ -117,31 +118,28 @@ func (m *Manager) handlePropertiesChanged(sig *dbus.Signal) {
 	for key, variant := range changes {
 		switch key {
 		case "Active":
-			if val, ok := variant.Value().(bool); ok {
+			if val, ok := dbusutil.As[bool](variant); ok {
 				m.stateMutex.Lock()
 				m.state.Active = val
 				m.stateMutex.Unlock()
 				needsUpdate = true
 			}
-
 		case "IdleHint":
-			if val, ok := variant.Value().(bool); ok {
+			if val, ok := dbusutil.As[bool](variant); ok {
 				m.stateMutex.Lock()
 				m.state.IdleHint = val
 				m.stateMutex.Unlock()
 				needsUpdate = true
 			}
-
 		case "IdleSinceHint":
-			if val, ok := variant.Value().(uint64); ok {
+			if val, ok := dbusutil.As[uint64](variant); ok {
 				m.stateMutex.Lock()
 				m.state.IdleSinceHint = val
 				m.stateMutex.Unlock()
 				needsUpdate = true
 			}
-
 		case "LockedHint":
-			if val, ok := variant.Value().(bool); ok {
+			if val, ok := dbusutil.As[bool](variant); ok {
 				m.stateMutex.Lock()
 				m.state.LockedHint = val
 				m.state.Locked = val

core/internal/server/network/priority.go

@@ -150,19 +150,11 @@ func (m *Manager) setConnectionPriority(connType string, autoconnectPriority int
 		}
 
 		if err := exec.Command("nmcli", "con", "mod", connName,
-			"connection.autoconnect-priority", fmt.Sprintf("%d", autoconnectPriority)).Run(); err != nil {
-			log.Warnf("Failed to set autoconnect-priority for %v: %v", connName, err)
-			continue
-		}
-
-		if err := exec.Command("nmcli", "con", "mod", connName,
-			"ipv4.route-metric", fmt.Sprintf("%d", routeMetric)).Run(); err != nil {
-			log.Warnf("Failed to set ipv4.route-metric for %v: %v", connName, err)
-		}
-
-		if err := exec.Command("nmcli", "con", "mod", connName,
+			"connection.autoconnect-priority", fmt.Sprintf("%d", autoconnectPriority),
+			"ipv4.route-metric", fmt.Sprintf("%d", routeMetric),
 			"ipv6.route-metric", fmt.Sprintf("%d", routeMetric)).Run(); err != nil {
-			log.Warnf("Failed to set ipv6.route-metric for %v: %v", connName, err)
+			log.Warnf("Failed to set priority for %s: %v", connName, err)
+			continue
 		}
 
 		log.Infof("Updated %v: autoconnect-priority=%d, route-metric=%d", connName, autoconnectPriority, routeMetric)

core/internal/server/router.go

@@ -10,6 +10,7 @@ import (
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/brightness"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/clipboard"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/cups"
+	serverDbus "github.com/AvengeMedia/DankMaterialShell/core/internal/server/dbus"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/dwl"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/evdev"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/extworkspace"
@@ -154,6 +155,15 @@ func RouteRequest(conn net.Conn, req models.Request) {
 		return
 	}
 
+	if strings.HasPrefix(req.Method, "dbus.") {
+		if dbusManager == nil {
+			models.RespondError(conn, req.ID, "dbus manager not initialized")
+			return
+		}
+		serverDbus.HandleRequest(conn, req, dbusManager, dbusClientID)
+		return
+	}
+
 	if strings.HasPrefix(req.Method, "clipboard.") {
 		switch req.Method {
 		case "clipboard.getConfig":

core/internal/server/server.go

@@ -20,6 +20,7 @@ import (
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/brightness"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/clipboard"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/cups"
+	serverDbus "github.com/AvengeMedia/DankMaterialShell/core/internal/server/dbus"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/dwl"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/evdev"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/server/extworkspace"
@@ -65,8 +66,11 @@ var brightnessManager *brightness.Manager
 var wlrOutputManager *wlroutput.Manager
 var evdevManager *evdev.Manager
 var clipboardManager *clipboard.Manager
+var dbusManager *serverDbus.Manager
 var wlContext *wlcontext.SharedContext
 
+const dbusClientID = "dms-dbus-client"
+
 var capabilitySubscribers syncmap.Map[string, chan ServerInfo]
 var cupsSubscribers syncmap.Map[string, bool]
 var cupsSubscriberCount atomic.Int32
@@ -363,6 +367,19 @@ func InitializeClipboardManager() error {
 	return nil
 }
 
+func InitializeDbusManager() error {
+	manager, err := serverDbus.NewManager()
+	if err != nil {
+		log.Warnf("Failed to initialize dbus manager: %v", err)
+		return err
+	}
+
+	dbusManager = manager
+
+	log.Info("DBus manager initialized")
+	return nil
+}
+
 func handleConnection(conn net.Conn) {
 	defer conn.Close()
 
@@ -440,6 +457,10 @@ func getCapabilities() Capabilities {
 		caps = append(caps, "clipboard")
 	}
 
+	if dbusManager != nil {
+		caps = append(caps, "dbus")
+	}
+
 	return Capabilities{Capabilities: caps}
 }
 
@@ -498,6 +519,10 @@ func getServerInfo() ServerInfo {
 		caps = append(caps, "clipboard")
 	}
 
+	if dbusManager != nil {
+		caps = append(caps, "dbus")
+	}
+
 	return ServerInfo{
 		APIVersion:   APIVersion,
 		CLIVersion:   CLIVersion,
@@ -1133,6 +1158,31 @@ func handleSubscribe(conn net.Conn, req models.Request) {
 		}()
 	}
 
+	if shouldSubscribe("dbus") && dbusManager != nil {
+		wg.Add(1)
+		dbusChan := dbusManager.SubscribeSignals(dbusClientID)
+		go func() {
+			defer wg.Done()
+			defer dbusManager.UnsubscribeSignals(dbusClientID)
+
+			for {
+				select {
+				case event, ok := <-dbusChan:
+					if !ok {
+						return
+					}
+					select {
+					case eventChan <- ServiceEvent{Service: "dbus", Data: event}:
+					case <-stopChan:
+						return
+					}
+				case <-stopChan:
+					return
+				}
+			}
+		}()
+	}
+
 	go func() {
 		wg.Wait()
 		close(eventChan)
@@ -1198,6 +1248,9 @@ func cleanupManagers() {
 	if clipboardManager != nil {
 		clipboardManager.Close()
 	}
+	if dbusManager != nil {
+		dbusManager.Close()
+	}
 	if wlContext != nil {
 		wlContext.Close()
 	}
@@ -1490,6 +1543,14 @@ func Start(printDocs bool) error {
 		}
 	}()
 
+	go func() {
+		if err := InitializeDbusManager(); err != nil {
+			log.Warnf("DBus manager unavailable: %v", err)
+		} else {
+			notifyCapabilityChange()
+		}
+	}()
+
 	log.Info("")
 	log.Infof("Ready! Capabilities: %v", getCapabilities().Capabilities)