load reva gateway and token manager from common config

extensions/sharing/pkg/config/defaults/defaultconfig.go

@@ -30,8 +30,9 @@ func DefaultConfig() *config.Config {
 		Service: config.Service{
 			Name: "sharing",
 		},
-		GatewayEndpoint:   "127.0.0.1:9142",
-		JWTSecret:         "Pive-Fumkiu4",
+		Reva: &config.Reva{
+			Address: "127.0.0.1:9142",
+		},
 		UserSharingDriver: "json",
 		UserSharingDrivers: config.UserSharingDrivers{
 			JSON: config.UserSharingJSONDriver{
@@ -104,6 +105,22 @@ func EnsureDefaults(cfg *config.Config) {
 	} else if cfg.Tracing == nil {
 		cfg.Tracing = &config.Tracing{}
 	}
+
+	if cfg.Reva == nil && cfg.Commons != nil && cfg.Commons.Reva != nil {
+		cfg.Reva = &config.Reva{
+			Address: cfg.Commons.Reva.Address,
+		}
+	} else if cfg.Reva == nil {
+		cfg.Reva = &config.Reva{}
+	}
+
+		if cfg.TokenManager == nil && cfg.Commons != nil && cfg.Commons.TokenManager != nil {
+		cfg.TokenManager = &config.TokenManager{
+			JWTSecret: cfg.Commons.TokenManager.JWTSecret,
+		}
+	} else if cfg.TokenManager == nil {
+		cfg.TokenManager = &config.TokenManager{}
+	}
 }
 
 func Sanitize(cfg *config.Config) {