VILLASweb-backend-go/routes/signal/signal_middleware.go

59 lines
1.8 KiB
Go

/** Signal package, middleware.
*
* @author Sonja Happ <sonja.happ@eonerc.rwth-aachen.de>
* @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASweb-backend-go
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
package signal
import (
"fmt"
"git.rwth-aachen.de/acs/public/villas/web-backend-go/helper"
"github.com/gin-gonic/gin"
"git.rwth-aachen.de/acs/public/villas/web-backend-go/database"
"git.rwth-aachen.de/acs/public/villas/web-backend-go/routes/simulationmodel"
)
func checkPermissions(c *gin.Context, operation database.CRUD) (bool, Signal) {
var sig Signal
err := database.ValidateRole(c, database.ModelSignal, operation)
if err != nil {
helper.UnprocessableEntityError(c, fmt.Sprintf("Access denied (role validation of signal failed): %v", err.Error()))
return false, sig
}
signalID, err := helper.GetIDOfElement(c, "signalID", "path", -1)
if err != nil {
return false, sig
}
err = sig.byID(uint(signalID))
if helper.DBError(c, err) {
return false, sig
}
ok, _ := simulationmodel.CheckPermissions(c, operation, "body", int(sig.SimulationModelID))
if !ok {
return false, sig
}
return true, sig
}