Support remote scope and use id token configuration (#784)

Some IDP requires different scope requests and
issue access tokens for different purposes

This change allow for remote configurable scopes
and the use of ID token

management/server/config.go

@@ -24,6 +24,11 @@ const (
 	NONE  Provider = "none"
 )
 
+const (
+	// DefaultDeviceAuthFlowScope defines the bare minimum scope to request in the device authorization flow
+	DefaultDeviceAuthFlowScope string = "openid"
+)
+
 // Config of the Management service
 type Config struct {
 	Stuns      []*Host
@@ -49,6 +54,7 @@ func (c Config) GetAuthAudiences() []string {
 
 	return audiences
 }
+
 // TURNConfig is a config of the TURNCredentialsManager
 type TURNConfig struct {
 	TimeBasedCredentials bool
@@ -108,6 +114,10 @@ type ProviderConfig struct {
 	TokenEndpoint string
 	// DeviceAuthEndpoint is the endpoint of an IDP manager where clients can obtain device authorization code
 	DeviceAuthEndpoint string
+	// Scopes provides the scopes to be included in the token request
+	Scope string
+	// UseIDToken indicates if the id token should be used for authentication
+	UseIDToken bool
 }
 
 // validateURL validates input http url