session

README

Session

Session middleware for Fiber.

NOTE: This middleware uses our Storage package to support various databases through a single interface. The default configuration for this middleware saves data to memory, see the examples below for other databases.

Table of Contents

• Session
  • Table of Contents
  • Signatures
    • Examples
    • Default Configuration
    • Custom Storage/Database
  • Config
  • Default Config

Signatures

func New(config ...Config) *Store
func (s *Store) RegisterType(i interface{})
func (s *Store) Get(c *fiber.Ctx) (*Session, error)
func (s *Store) Reset() error

func (s *Session) Get(key string) interface{}
func (s *Session) Set(key string, val interface{})
func (s *Session) Delete(key string)
func (s *Session) Destroy() error
func (s *Session) Regenerate() error
func (s *Session) Save() error
func (s *Session) Fresh() bool
func (s *Session) ID() string
func (s *Session) Keys() []string
func (s *Session) SetExpiry(time.Duration)

⚠ Storing interface{} values are limited to built-ins Go types

Examples

Import the middleware package that is part of the Fiber web framework

import (
  "github.com/gofiber/fiber/v2"
  "github.com/gofiber/fiber/v2/middleware/session"
)

Then create a Fiber app with app := fiber.New().

Default Configuration

// This stores all of your app's sessions
// Default middleware config
store := session.New()

// This panic will be catch by the middleware
app.Get("/", func(c *fiber.Ctx) error {
	// Get session from storage
	sess, err := store.Get(c)
	if err != nil {
		panic(err)
	}

	// Get value
	name := sess.Get("name")

	// Set key/value
	sess.Set("name", "john")

	// Get all Keys
	keys := sess.Keys()

	// Delete key
	sess.Delete("name")

	// Destroy session
	if err := sess.Destroy(); err != nil {
		panic(err)
	}

	// Sets a specific expiration for this session
	sess.SetExpiry(time.Second * 2)

	// Save session
	if err := sess.Save(); err != nil {
		panic(err)
	}

	return c.SendString(fmt.Sprintf("Welcome %v", name))
})

Custom Storage/Database

You can use any storage from our storage package.

storage := sqlite3.New() // From github.com/gofiber/storage/sqlite3
store := session.New(session.Config{
	Storage: storage,
})

To use the the store, see the above example.

Config

// Config defines the config for middleware.
type Config struct {
	// Allowed session duration
	// Optional. Default value 24 * time.Hour
	Expiration time.Duration

	// Storage interface to store the session data
	// Optional. Default value memory.New()
	Storage fiber.Storage

	// KeyLookup is a string in the form of "<source>:<name>" that is used
	// to extract session id from the request.
	// Possible values: "header:<name>", "query:<name>" or "cookie:<name>"
	// Optional. Default value "cookie:session_id".
	KeyLookup string

	// Domain of the cookie.
	// Optional. Default value "".
	CookieDomain string

	// Path of the cookie.
	// Optional. Default value "".
	CookiePath string

	// Indicates if cookie is secure.
	// Optional. Default value false.
	CookieSecure bool

	// Indicates if cookie is HTTP only.
	// Optional. Default value false.
	CookieHTTPOnly bool

	// Sets the cookie SameSite attribute.
	// Optional. Default value "Lax".
	CookieSameSite string

	// KeyGenerator generates the session key.
	// Optional. Default value utils.UUID
	KeyGenerator func() string

	// Deprecated: Please use KeyLookup
	CookieName string

	// Source defines where to obtain the session id
	source      Source

	// The session name
	sessionName string
}

Default Config

var ConfigDefault = Config{
	Expiration:   24 * time.Hour,
	KeyLookup:    "cookie:session_id",
	KeyGenerator: utils.UUID,
}

Documentation

Index

• Variables
• type Config
• type Session
  • func (s *Session) Delete(key string)
  • func (s *Session) Destroy() error
  • func (s *Session) Fresh() bool
  • func (s *Session) Get(key string) interface{}
  • func (s *Session) ID() string
  • func (s *Session) Keys() []string
  • func (s *Session) Regenerate() error
  • func (s *Session) Save() error
  • func (s *Session) Set(key string, val interface{})
  • func (s *Session) SetExpiry(exp time.Duration)
• type Source
• type Store
  • func New(config ...Config) *Store
  • func (s *Store) Get(c *fiber.Ctx) (*Session, error)
  • func (*Store) RegisterType(i interface{})
  • func (s *Store) Reset() error

Variables

var ConfigDefault = Config{
	Expiration:   24 * time.Hour,
	KeyLookup:    "cookie:session_id",
	KeyGenerator: utils.UUIDv4,
	// contains filtered or unexported fields
}

ConfigDefault is the default config

Types

type Config

type Config struct {
	// Allowed session duration
	// Optional. Default value 24 * time.Hour
	Expiration time.Duration

	// Storage interface to store the session data
	// Optional. Default value memory.New()
	Storage fiber.Storage

	// KeyLookup is a string in the form of "<source>:<name>" that is used
	// to extract session id from the request.
	// Possible values: "header:<name>", "query:<name>" or "cookie:<name>"
	// Optional. Default value "cookie:session_id".
	KeyLookup string

	// Domain of the CSRF cookie.
	// Optional. Default value "".
	CookieDomain string

	// Path of the CSRF cookie.
	// Optional. Default value "".
	CookiePath string

	// Indicates if CSRF cookie is secure.
	// Optional. Default value false.
	CookieSecure bool

	// Indicates if CSRF cookie is HTTP only.
	// Optional. Default value false.
	CookieHTTPOnly bool

	// Value of SameSite cookie.
	// Optional. Default value "Lax".
	CookieSameSite string

	// KeyGenerator generates the session key.
	// Optional. Default value utils.UUIDv4
	KeyGenerator func() string

	// Deprecated: Please use KeyLookup
	CookieName string
	// contains filtered or unexported fields
}

Config defines the config for middleware.

type Session

type Session struct {
	// contains filtered or unexported fields
}

func (*Session) Delete

func (s *Session) Delete(key string)

Delete will delete the value

func (*Session) Destroy

func (s *Session) Destroy() error

Destroy will delete the session from Storage and expire session cookie

func (*Session) Fresh

func (s *Session) Fresh() bool

Fresh is true if the current session is new

func (*Session) Get

func (s *Session) Get(key string) interface{}

Get will return the value

func (*Session) ID

func (s *Session) ID() string

ID returns the session id

func (*Session) Keys

func (s *Session) Keys() []string

Keys will retrieve all keys in current session

func (*Session) Regenerate

func (s *Session) Regenerate() error

Regenerate generates a new session id and delete the old one from Storage

func (*Session) Save

func (s *Session) Save() error

Save will update the storage and client cookie

func (*Session) Set

func (s *Session) Set(key string, val interface{})

Set will update or create a new key value

func (*Session) SetExpiry

func (s *Session) SetExpiry(exp time.Duration)

SetExpiry sets a specific expiration for this session

type Source

type Source string

const (
	SourceCookie   Source = "cookie"
	SourceHeader   Source = "header"
	SourceURLQuery Source = "query"
)

type Store

type Store struct {
	Config
}

func New

func New(config ...Config) *Store

func (*Store) Get

func (s *Store) Get(c *fiber.Ctx) (*Session, error)

Get will get/create a session

func (*Store) RegisterType

func (*Store) RegisterType(i interface{})

RegisterType will allow you to encode/decode custom types into any Storage provider

func (*Store) Reset

func (s *Store) Reset() error

Reset will delete all session from the storage