gotosocial/internal/config/validate.go
tobi b915a41811
[feature] Basic config validation (#562)
* add optional config validation

* clarify that host and protocol are required

* add validation for host and protocol

* pass prerunArgs as a struct (validate by default)
2022-05-16 14:13:19 +02:00

63 lines
1.7 KiB
Go

/*
GoToSocial
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/>.
*/
package config
import (
"errors"
"fmt"
"strings"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
)
// Validate validates global config settings which don't have defaults, to make sure they are set sensibly.
func Validate() error {
errs := []error{}
// host
if viper.GetString(Keys.Host) == "" {
errs = append(errs, fmt.Errorf("%s must be set", Keys.Host))
}
// protocol
protocol := viper.GetString(Keys.Protocol)
switch protocol {
case "https":
// no problem
break
case "http":
logrus.Warnf("%s was set to 'http'; this should *only* be used for debugging and tests!", Keys.Protocol)
case "":
errs = append(errs, fmt.Errorf("%s must be set", Keys.Protocol))
default:
errs = append(errs, fmt.Errorf("%s must be set to either http or https, provided value was %s", Keys.Protocol, protocol))
}
if len(errs) > 0 {
errStrings := []string{}
for _, err := range errs {
errStrings = append(errStrings, err.Error())
}
return errors.New(strings.Join(errStrings, "; "))
}
return nil
}