+ if !Thread.current[:api_client].andand.is_trusted
+ return send_error("supplied API token is not from a trusted client", status: 403)
+ elsif Thread.current[:api_client_authorization].scopes != ['all']
+ return send_error("cannot merge with a scoped token", status: 403)
+ end
+
+ new_auth = ApiClientAuthorization.validate(token: params[:new_user_token])
+ if !new_auth
+ return send_error("invalid new_user_token", status: 401)
+ end
+
+ if new_auth.user.uuid[0..4] == Rails.configuration.ClusterID
+ if !new_auth.api_client.andand.is_trusted
+ return send_error("supplied new_user_token is not from a trusted client", status: 403)
+ elsif new_auth.scopes != ['all']
+ return send_error("supplied new_user_token has restricted scope", status: 403)
+ end
+ end
+ new_user = new_auth.user
+ @object = current_user
+ end
+
+ if @object.uuid == new_user.uuid
+ return send_error("cannot merge user to self", status: 422)
+ end
+
+ if !params[:new_owner_uuid]
+ return send_error("missing new_owner_uuid", status: 422)
+ end
+
+ if !new_user.can?(write: params[:new_owner_uuid])
+ return send_error("cannot move objects into supplied new_owner_uuid: new user does not have write permission", status: 403)
+ end
+
+ redirect = params[:redirect_to_new_user]
+ if @object.uuid[0..4] != Rails.configuration.ClusterID && redirect
+ return send_error("cannot merge remote user to other with redirect_to_new_user=true", status: 422)
+ end
+
+ if !redirect
+ return send_error("merge with redirect_to_new_user=false is not yet supported", status: 422)
+ end
+
+ act_as_system_user do
+ @object.merge(new_owner_uuid: params[:new_owner_uuid], redirect_to_user_uuid: redirect && new_user.uuid)
+ end
+ show
+ end
+
+ protected
+
+ def self._merge_requires_parameters
+ {
+ new_owner_uuid: {
+ type: 'string', required: true,
+ },
+ new_user_token: {
+ type: 'string', required: false,
+ },
+ redirect_to_new_user: {
+ type: 'boolean', required: false,
+ },
+ old_user_uuid: {
+ type: 'string', required: false,
+ },
+ new_user_uuid: {
+ type: 'string', required: false,