79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
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/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gtsmodel
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import (
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"reflect"
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"github.com/go-playground/validator/v10"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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var v *validator.Validate
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const (
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PointerValidationPanic = "validate function was passed pointer"
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InvalidValidationPanic = "validate function was passed invalid item"
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)
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var ulidValidator = func(fl validator.FieldLevel) bool {
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value, kind, _ := fl.ExtractType(fl.Field())
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if kind != reflect.String {
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return false
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}
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// we want either an empty string, or a proper ULID, nothing else
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// if the string is empty, the `required` tag will take care of it so we don't need to worry about it here
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s := value.String()
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if len(s) == 0 {
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return true
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}
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return util.ValidateULID(s)
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}
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func init() {
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v = validator.New()
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v.RegisterValidation("ulid", ulidValidator)
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}
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func ValidateStruct(s interface{}) error {
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switch reflect.ValueOf(s).Kind() {
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case reflect.Invalid:
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panic(InvalidValidationPanic)
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case reflect.Ptr:
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panic(PointerValidationPanic)
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}
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err := v.Struct(s)
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return processValidationError(err)
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}
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func processValidationError(err error) error {
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if err == nil {
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return nil
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}
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if ive, ok := err.(*validator.InvalidValidationError); ok {
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panic(ive)
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}
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return err.(validator.ValidationErrors)
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}
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