GoToSocial/internal/validate/structvalidation.go

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/*
GoToSocial
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Copyright (C) 2021-2022 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/>.
*/
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package validate
import (
"reflect"
"github.com/go-playground/validator/v10"
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"github.com/superseriousbusiness/gotosocial/internal/regexes"
)
var v *validator.Validate
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func ulidValidator(fl validator.FieldLevel) bool {
field := fl.Field()
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switch field.Kind() {
case reflect.String:
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return regexes.ULID.MatchString(field.String())
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default:
return false
}
}
func init() {
v = validator.New()
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if err := v.RegisterValidation("ulid", ulidValidator); err != nil {
panic(err)
}
}
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// Struct validates the passed struct, returning validator.ValidationErrors if invalid, or nil if OK.
func Struct(s interface{}) error {
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return processValidationError(v.Struct(s))
}
func processValidationError(err error) error {
if err == nil {
return nil
}
if ive, ok := err.(*validator.InvalidValidationError); ok {
panic(ive)
}
return err.(validator.ValidationErrors)
}