gotosocial/internal/gtsmodel/validate.go
2021-09-01 11:11:26 +02:00

76 lines
1.9 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gtsmodel
import (
"reflect"
"github.com/go-playground/validator/v10"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
var v *validator.Validate
// Validation Panic messages
const (
PointerValidationPanic = "validate function was passed pointer"
InvalidValidationPanic = "validate function was passed invalid item"
)
func ulidValidator(fl validator.FieldLevel) bool {
field := fl.Field()
switch field.Kind() {
case reflect.String:
return util.ValidateULID(field.String())
default:
return false
}
}
func init() {
v = validator.New()
v.RegisterValidation("ulid", ulidValidator)
}
// ValidateStruct validates the passed struct, returning validator.ValidationErrors if invalid, or nil if OK.
func ValidateStruct(s interface{}) error {
switch reflect.ValueOf(s).Kind() {
case reflect.Invalid:
panic(InvalidValidationPanic)
case reflect.Ptr:
panic(PointerValidationPanic)
}
err := v.Struct(s)
return processValidationError(err)
}
func processValidationError(err error) error {
if err == nil {
return nil
}
if ive, ok := err.(*validator.InvalidValidationError); ok {
panic(ive)
}
return err.(validator.ValidationErrors)
}