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storage_manager.go
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storage_manager.go
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package csrf
import (
"sync"
"time"
"github.com/boomhut/fiber/v2"
"github.com/boomhut/fiber/v2/internal/memory"
"github.com/boomhut/fiber/v2/utils"
)
// go:generate msgp
// msgp -file="storage_manager.go" -o="storage_manager_msgp.go" -tests=false -unexported
type item struct{}
//msgp:ignore manager
type storageManager struct {
pool sync.Pool
memory *memory.Storage
storage fiber.Storage
}
func newStorageManager(storage fiber.Storage) *storageManager {
// Create new storage handler
storageManager := &storageManager{
pool: sync.Pool{
New: func() interface{} {
return new(item)
},
},
}
if storage != nil {
// Use provided storage if provided
storageManager.storage = storage
} else {
// Fallback too memory storage
storageManager.memory = memory.New()
}
return storageManager
}
// get raw data from storage or memory
func (m *storageManager) 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 *storageManager) 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)
}
}
// delete data from storage or memory
func (m *storageManager) delRaw(key string) {
if m.storage != nil {
_ = m.storage.Delete(key) //nolint:errcheck // TODO: Do not ignore error
} else {
m.memory.Delete(key)
}
}