evcc-io/util/homeassistant/oauth2.go

54 lines
1.2 KiB
Go

package homeassistant
import (
"context"
"fmt"
"github.com/evcc-io/evcc/plugin/auth"
"github.com/evcc-io/evcc/server/network"
"github.com/evcc-io/evcc/util"
"github.com/evcc-io/evcc/util/request"
"golang.org/x/oauth2"
)
// https://developers.home-assistant.io/docs/auth_api
func init() {
auth.Register("homeassistant", NewHomeAssistantFromConfig)
}
func NewHomeAssistantFromConfig(other map[string]any) (oauth2.TokenSource, error) {
var cc struct {
Home string
}
if err := util.DecodeOther(other, &cc); err != nil {
return nil, err
}
uri := instanceUriByName(cc.Home)
if uri == "" {
return nil, fmt.Errorf("unknown instance: %s", cc.Home)
}
return NewHomeAssistant(cc.Home, uri)
}
func NewHomeAssistant(home, uri string) (oauth2.TokenSource, error) {
extUrl := network.Config().ExternalURL()
redirectUri := extUrl + network.CallbackPath
log := util.NewLogger("homeassistant")
ctx := context.WithValue(context.Background(), oauth2.HTTPClient, request.NewClient(log))
oc := oauth2.Config{
ClientID: extUrl,
RedirectURL: redirectUri,
Endpoint: oauth2.Endpoint{
AuthURL: uri + "/auth/authorize",
TokenURL: uri + "/auth/token",
},
}
return auth.NewOAuth(ctx, "HomeAssistant", home, &oc)
}