vikunja-api/vendor/github.com/labstack/echo-contrib/session/session.go
2018-06-10 11:11:42 +02:00

65 lines
1.4 KiB
Go

package session
import (
"github.com/gorilla/sessions"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
type (
// Config defines the config for CasbinAuth middleware.
Config struct {
// Skipper defines a function to skip middleware.
Skipper middleware.Skipper
// Session store.
// Required.
Store sessions.Store
}
)
const (
key = "_session_store"
)
var (
// DefaultConfig is the default Session middleware config.
DefaultConfig = Config{
Skipper: middleware.DefaultSkipper,
}
)
// Get returns a named session.
func Get(name string, c echo.Context) (*sessions.Session, error) {
store := c.Get(key).(sessions.Store)
return store.Get(c.Request(), name)
}
// Middleware returns a Session middleware.
func Middleware(store sessions.Store) echo.MiddlewareFunc {
c := DefaultConfig
c.Store = store
return MiddlewareWithConfig(c)
}
// MiddlewareWithConfig returns a Sessions middleware with config.
// See `Middleware()`.
func MiddlewareWithConfig(config Config) echo.MiddlewareFunc {
// Defaults
if config.Skipper == nil {
config.Skipper = DefaultConfig.Skipper
}
if config.Store == nil {
panic("echo: session middleware requires store")
}
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
if config.Skipper(c) {
return next(c)
}
c.Set(key, config.Store)
return next(c)
}
}
}