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infinitime/btsetup.go

122 lines
2.7 KiB
Go

package infinitime
import (
"github.com/godbus/dbus/v5"
bt "github.com/muka/go-bluetooth/api"
"github.com/muka/go-bluetooth/bluez/profile/adapter"
"github.com/muka/go-bluetooth/bluez/profile/agent"
"github.com/muka/go-bluetooth/hw/linux/btmgmt"
)
var defaultAdapter *adapter.Adapter1
var itdAgent *Agent
func Init(adapterID string) {
conn, err := dbus.SystemBus()
if err != nil {
panic(err)
}
ag := &Agent{}
err = agent.ExposeAgent(conn, ag, agent.CapKeyboardDisplay, true)
if err != nil {
panic(err)
}
if adapterID == "" {
adapterID = bt.GetDefaultAdapterID()
}
// Get bluez default adapter
da, err := bt.GetAdapter(adapterID)
if err != nil {
panic(err)
}
daMgmt := btmgmt.NewBtMgmt(adapterID)
daMgmt.SetPowered(true)
defaultAdapter = da
itdAgent = ag
}
func Exit() error {
if defaultAdapter != nil {
defaultAdapter.Close()
}
agent.RemoveAgent(itdAgent)
return bt.Exit()
}
var errAuthFailed = dbus.NewError("org.bluez.Error.AuthenticationFailed", nil)
// Agent implements the agent.Agent1Client interface.
// It only requires RequestPasskey as that is all InfiniTime
// will use.
type Agent struct {
ReqPasskey func() (uint32, error)
}
// Release returns nil
func (*Agent) Release() *dbus.Error {
return nil
}
// RequestPinCode returns an empty string and nil
func (*Agent) RequestPinCode(device dbus.ObjectPath) (pincode string, err *dbus.Error) {
return "", nil
}
// DisplayPinCode returns nil
func (*Agent) DisplayPinCode(device dbus.ObjectPath, pincode string) *dbus.Error {
return nil
}
// RequestPasskey runs Agent.ReqPasskey and returns the result
func (a *Agent) RequestPasskey(device dbus.ObjectPath) (uint32, *dbus.Error) {
if a.ReqPasskey == nil {
return 0, errAuthFailed
}
log.Debug().Msg("Passkey requested, calling onReqPasskey callback")
passkey, err := a.ReqPasskey()
if err != nil {
return 0, errAuthFailed
}
return passkey, nil
}
// DisplayPasskey returns nil
func (*Agent) DisplayPasskey(device dbus.ObjectPath, passkey uint32, entered uint16) *dbus.Error {
return nil
}
// RequestConfirmation returns nil
func (*Agent) RequestConfirmation(device dbus.ObjectPath, passkey uint32) *dbus.Error {
return nil
}
// RequestAuthorization returns nil
func (*Agent) RequestAuthorization(device dbus.ObjectPath) *dbus.Error {
return nil
}
// AuthorizeService returns nil
func (*Agent) AuthorizeService(device dbus.ObjectPath, uuid string) *dbus.Error {
return nil
}
// Cancel returns nil
func (*Agent) Cancel() *dbus.Error {
return nil
}
// Path returns "/dev/arsenm/infinitime/Agent"
func (*Agent) Path() dbus.ObjectPath {
return "/dev/arsenm/infinitime/Agent"
}
// Interface returns "org.bluez.Agent1"
func (*Agent) Interface() string {
return "org.bluez.Agent1"
}