fiber/middleware/csrf/manager.go

64 lines
1.6 KiB
Go

package csrf
import (
"sync"
"time"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/internal/memory"
"github.com/gofiber/fiber/v2/utils"
)
// go:generate msgp
// msgp -file="manager.go" -o="manager_msgp.go" -tests=false -unexported
// don't forget to replace the msgp import path to:
// "github.com/gofiber/fiber/v2/internal/msgp"
type item struct{}
//msgp:ignore manager
type manager struct {
pool sync.Pool
memory *memory.Storage
storage fiber.Storage
}
func newManager(storage fiber.Storage) *manager {
// Create new storage handler
manager := &manager{
pool: sync.Pool{
New: func() interface{} {
return new(item)
},
},
}
if storage != nil {
// Use provided storage if provided
manager.storage = storage
} else {
// Fallback too memory storage
manager.memory = memory.New()
}
return manager
}
// get raw data from storage or memory
func (m *manager) getRaw(key string) []byte {
var raw []byte
if m.storage != nil {
raw, _ = m.storage.Get(key) //nolint:errcheck // TODO: Do not ignore error
} else {
raw, _ = m.memory.Get(key).([]byte) //nolint:errcheck // TODO: Do not ignore error
}
return raw
}
// set data to storage or memory
func (m *manager) setRaw(key string, raw []byte, exp time.Duration) {
if m.storage != nil {
_ = m.storage.Set(key, raw, exp) //nolint:errcheck // TODO: Do not ignore error
} else {
// the key is crucial in crsf and sometimes a reference to another value which can be reused later(pool/unsafe values concept), so a copy is made here
m.memory.Set(utils.CopyString(key), raw, exp)
}
}