writefreely/config/validation.go

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/*
* Copyright © 2018 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
2018-12-31 07:05:26 +01:00
package config
import (
"fmt"
"regexp"
"strconv"
)
var (
domainReg = regexp.MustCompile("^https?://")
)
const (
minPort = 80
maxPort = 1<<16 - 1
)
func validateDomain(i string) error {
if !domainReg.MatchString(i) {
return fmt.Errorf("Domain must start with http:// or https://")
}
return nil
}
func validatePort(i string) error {
p, err := strconv.Atoi(i)
if err != nil {
return err
}
if p < minPort || p > maxPort {
return fmt.Errorf("Port must be a number %d - %d", minPort, maxPort)
}
return nil
}
func validateNonEmpty(i string) error {
if i == "" {
return fmt.Errorf("Must not be empty")
}
return nil
}