session

package
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 Go to latest Published: May 23, 2016 License: Apache-2.0, Apache-2.0 Imports: 18 Imported by: 0

README

session Build Status

Middleware session provides session management for Macaron. It can use many session providers, including memory, file, Redis, Memcache, PostgreSQL, MySQL, Couchbase, Ledis and Nodb.

Installation
go get github.com/go-macaron/session

Getting Help

Credits

This package is a modified version of beego/session.

License

This project is under the Apache License, Version 2.0. See the LICENSE file for the full license text.

Documentation

Overview

Package session a middleware that provides the session management of Macaron.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func DecodeGob 

func DecodeGob(encoded []byte) (out map[interface{}]interface{}, err error)

func EncodeGob 

func EncodeGob(obj map[interface{}]interface{}) ([]byte, error)

func Register 

func Register(name string, provider Provider)

Register registers a provider.

func Sessioner 

func Sessioner(options ...Options) macaron.Handler

Sessioner is a middleware that maps a session.SessionStore service into the Macaron handler chain. An single variadic session.Options struct can be optionally provided to configure.

func Version 

func Version() string

Types

type FileProvider 

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

FileProvider represents a file session provider implementation.

func (*FileProvider) Count 

func (p *FileProvider) Count() int

Count counts and returns number of sessions.

func (*FileProvider) Destory 

func (p *FileProvider) Destory(sid string) error

Destory deletes a session by session ID.

func (*FileProvider) Exist 

func (p *FileProvider) Exist(sid string) bool

Exist returns true if session with given ID exists.

func (*FileProvider) GC 

func (p *FileProvider) GC()

GC calls GC to clean expired sessions.

func (*FileProvider) Init 

func (p *FileProvider) Init(maxlifetime int64, rootPath string) error

Init initializes file session provider with given root path.

func (*FileProvider) Read 

func (p *FileProvider) Read(sid string) (_ RawStore, err error)

Read returns raw session store by session ID.

func (*FileProvider) Regenerate 

func (p *FileProvider) Regenerate(oldsid, sid string) (_ RawStore, err error)

Regenerate regenerates a session store from old session ID to new one.

type FileStore 

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

FileStore represents a file session store implementation.

func NewFileStore 

func NewFileStore(p *FileProvider, sid string, kv map[interface{}]interface{}) *FileStore

NewFileStore creates and returns a file session store.

func (*FileStore) Delete 

func (s *FileStore) Delete(key interface{}) error

Delete delete a key from session.

func (*FileStore) Flush 

func (s *FileStore) Flush() error

Flush deletes all session data.

func (*FileStore) Get 

func (s *FileStore) Get(key interface{}) interface{}

Get gets value by given key in session.

func (*FileStore) ID 

func (s *FileStore) ID() string

ID returns current session ID.

func (*FileStore) Release 

func (s *FileStore) Release() error

Release releases resource and save data to provider.

func (*FileStore) Set 

func (s *FileStore) Set(key, val interface{}) error

Set sets value to given key in session.

type Flash 

type Flash struct {
	url.Values
	ErrorMsg, WarningMsg, InfoMsg, SuccessMsg string
	// contains filtered or unexported fields
}

func (*Flash) Error 

func (f *Flash) Error(msg string, current ...bool)

func (*Flash) Info 

func (f *Flash) Info(msg string, current ...bool)

func (*Flash) Success 

func (f *Flash) Success(msg string, current ...bool)

func (*Flash) Warning 

func (f *Flash) Warning(msg string, current ...bool)

type Manager 

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

Manager represents a struct that contains session provider and its configuration.

func NewManager 

func NewManager(name string, opt Options) (*Manager, error)

NewManager creates and returns a new session manager by given provider name and configuration. It panics when given provider isn't registered.

func (*Manager) Count 

func (m *Manager) Count() int

Count counts and returns number of sessions.

func (*Manager) Destory 

func (m *Manager) Destory(ctx *macaron.Context) error

Destory deletes a session by given ID.

func (*Manager) GC 

func (m *Manager) GC()

GC starts GC job in a certain period.

func (*Manager) Read 

func (m *Manager) Read(sid string) (RawStore, error)

Read returns raw session store by session ID.

func (*Manager) RegenerateId 

func (m *Manager) RegenerateId(ctx *macaron.Context) (sess RawStore, err error)

RegenerateId regenerates a session store from old session ID to new one.

func (*Manager) SetSecure 

func (m *Manager) SetSecure(secure bool)

SetSecure indicates whether to set cookie with HTTPS or not.

func (*Manager) Start 

func (m *Manager) Start(ctx *macaron.Context) (RawStore, error)

Start starts a session by generating new one or retrieve existence one by reading session ID from HTTP request if it's valid.

type MemProvider 

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

MemProvider represents a in-memory session provider implementation.

func (*MemProvider) Count 

func (p *MemProvider) Count() int

Count counts and returns number of sessions.

func (*MemProvider) Destory 

func (p *MemProvider) Destory(sid string) error

Destory deletes a session by session ID.

func (*MemProvider) Exist 

func (p *MemProvider) Exist(sid string) bool

Exist returns true if session with given ID exists.

func (*MemProvider) GC 

func (p *MemProvider) GC()

GC calls GC to clean expired sessions.

func (*MemProvider) Init 

func (p *MemProvider) Init(maxLifetime int64, _ string) error

Init initializes memory session provider.

func (*MemProvider) Read 

func (p *MemProvider) Read(sid string) (_ RawStore, err error)

Read returns raw session store by session ID.

func (*MemProvider) Regenerate 

func (p *MemProvider) Regenerate(oldsid, sid string) (RawStore, error)

Regenerate regenerates a session store from old session ID to new one.

type MemStore 

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

MemStore represents a in-memory session store implementation.

func NewMemStore 

func NewMemStore(sid string) *MemStore

NewMemStore creates and returns a memory session store.

func (*MemStore) Delete 

func (s *MemStore) Delete(key interface{}) error

Delete deletes a key from session.

func (*MemStore) Flush 

func (s *MemStore) Flush() error

Flush deletes all session data.

func (*MemStore) Get 

func (s *MemStore) Get(key interface{}) interface{}

Get gets value by given key in session.

func (*MemStore) ID 

func (s *MemStore) ID() string

ID returns current session ID.

func (*MemStore) Release 

func (_ *MemStore) Release() error

Release releases resource and save data to provider.

func (*MemStore) Set 

func (s *MemStore) Set(key, val interface{}) error

Set sets value to given key in session.

type Options 

type Options struct {
	// Name of provider. Default is "memory".
	Provider string
	// Provider configuration, it's corresponding to provider.
	ProviderConfig string
	// Cookie name to save session ID. Default is "MacaronSession".
	CookieName string
	// Cookie path to store. Default is "/".
	CookiePath string
	// GC interval time in seconds. Default is 3600.
	Gclifetime int64
	// Max life time in seconds. Default is whatever GC interval time is.
	Maxlifetime int64
	// Use HTTPS only. Default is false.
	Secure bool
	// Cookie life time. Default is 0.
	CookieLifeTime int
	// Cookie domain name. Default is empty.
	Domain string
	// Session ID length. Default is 16.
	IDLength int
	// Configuration section name. Default is "session".
	Section string
}

Options represents a struct for specifying configuration options for the session middleware.

type Provider 

type Provider interface {
	// Init initializes session provider.
	Init(gclifetime int64, config string) error
	// Read returns raw session store by session ID.
	Read(sid string) (RawStore, error)
	// Exist returns true if session with given ID exists.
	Exist(sid string) bool
	// Destory deletes a session by session ID.
	Destory(sid string) error
	// Regenerate regenerates a session store from old session ID to new one.
	Regenerate(oldsid, sid string) (RawStore, error)
	// Count counts and returns number of sessions.
	Count() int
	// GC calls GC to clean expired sessions.
	GC()
}

Provider is the interface that provides session manipulations.

type RawStore 

type RawStore interface {
	// Set sets value to given key in session.
	Set(interface{}, interface{}) error
	// Get gets value by given key in session.
	Get(interface{}) interface{}
	// Delete deletes a key from session.
	Delete(interface{}) error
	// ID returns current session ID.
	ID() string
	// Release releases session resource and save data to provider.
	Release() error
	// Flush deletes all session data.
	Flush() error
}

RawStore is the interface that operates the session data.

type Store 

type Store interface {
	RawStore
	// Read returns raw session store by session ID.
	Read(string) (RawStore, error)
	// Destory deletes a session.
	Destory(*macaron.Context) error
	// RegenerateId regenerates a session store from old session ID to new one.
	RegenerateId(*macaron.Context) (RawStore, error)
	// Count counts and returns number of sessions.
	Count() int
	// GC calls GC to clean expired sessions.
	GC()
}

Store is the interface that contains all data for one session process with specific ID.

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