/
sessions.go
42 lines (34 loc) · 957 Bytes
/
sessions.go
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// Package session standardizes session management with Gorilla sessions
package session
import (
"github.com/gorilla/sessions"
"github.com/pkg/errors"
)
// Session rotation
func Regenerate(s *sessions.Session) {
s.ID = ""
s.Values = make(map[interface{}]interface{})
}
func Invalidate(s *sessions.Session) {
s.Options.MaxAge = -1
s.Values = make(map[interface{}]interface{})
}
// Flash messages
const FlashErrorsKey = "_flash_errors"
func AddErrorMessage(s *sessions.Session, message string) {
s.AddFlash(message, FlashErrorsKey)
}
func GetErrorMessages(s *sessions.Session) ([]string, error) {
rawFlashes := s.Flashes(FlashErrorsKey)
flashes := make([]string, 0, len(rawFlashes))
for _, rawFlash := range rawFlashes {
flash, ok := rawFlash.(string)
if !ok {
return nil, errors.Errorf(
"session error message is of unexpected non-string type %T", rawFlash,
)
}
flashes = append(flashes, flash)
}
return flashes, nil
}