mirror of
https://github.com/astaxie/beego.git
synced 2024-07-05 11:35:11 +00:00
257 lines
5.9 KiB
Go
257 lines
5.9 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// Package redis for session provider
|
|
//
|
|
// depend on github.com/garyburd/redigo/redis
|
|
//
|
|
// go install github.com/garyburd/redigo/redis
|
|
//
|
|
// Usage:
|
|
// import(
|
|
// _ "github.com/astaxie/beego/session/redis"
|
|
// "github.com/astaxie/beego/session"
|
|
// )
|
|
//
|
|
// func init() {
|
|
// globalSessions, _ = session.NewManager("redis", ``{"cookieName":"gosessionid","gclifetime":3600,"ProviderConfig":"127.0.0.1:7070"}``)
|
|
// go globalSessions.GC()
|
|
// }
|
|
//
|
|
// more docs: http://beego.me/docs/module/session.md
|
|
package redis
|
|
|
|
import (
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/astaxie/beego/session"
|
|
|
|
"github.com/garyburd/redigo/redis"
|
|
)
|
|
|
|
var redispder = &Provider{}
|
|
|
|
// MaxPoolSize redis max pool size
|
|
var MaxPoolSize = 100
|
|
|
|
// SessionStore redis session store
|
|
type SessionStore struct {
|
|
p *redis.Pool
|
|
sid string
|
|
lock sync.RWMutex
|
|
values map[interface{}]interface{}
|
|
maxlifetime int64
|
|
}
|
|
|
|
// Set value in redis session
|
|
func (rs *SessionStore) Set(key, value interface{}) error {
|
|
rs.lock.Lock()
|
|
defer rs.lock.Unlock()
|
|
rs.values[key] = value
|
|
return nil
|
|
}
|
|
|
|
// Get value in redis session
|
|
func (rs *SessionStore) Get(key interface{}) interface{} {
|
|
rs.lock.RLock()
|
|
defer rs.lock.RUnlock()
|
|
if v, ok := rs.values[key]; ok {
|
|
return v
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Delete value in redis session
|
|
func (rs *SessionStore) Delete(key interface{}) error {
|
|
rs.lock.Lock()
|
|
defer rs.lock.Unlock()
|
|
delete(rs.values, key)
|
|
return nil
|
|
}
|
|
|
|
// Flush clear all values in redis session
|
|
func (rs *SessionStore) Flush() error {
|
|
rs.lock.Lock()
|
|
defer rs.lock.Unlock()
|
|
rs.values = make(map[interface{}]interface{})
|
|
return nil
|
|
}
|
|
|
|
// SessionID get redis session id
|
|
func (rs *SessionStore) SessionID() string {
|
|
return rs.sid
|
|
}
|
|
|
|
// SessionRelease save session values to redis
|
|
func (rs *SessionStore) SessionRelease(w http.ResponseWriter) {
|
|
b, err := session.EncodeGob(rs.values)
|
|
if err != nil {
|
|
return
|
|
}
|
|
c := rs.p.Get()
|
|
defer c.Close()
|
|
c.Do("SETEX", rs.sid, rs.maxlifetime, string(b))
|
|
}
|
|
|
|
// Provider redis session provider
|
|
type Provider struct {
|
|
maxlifetime int64
|
|
savePath string
|
|
poolsize int
|
|
password string
|
|
dbNum int
|
|
poollist *redis.Pool
|
|
}
|
|
|
|
// SessionInit init redis session
|
|
// savepath like redis server addr,pool size,password,dbnum
|
|
// e.g. 127.0.0.1:6379,100,astaxie,0
|
|
func (rp *Provider) SessionInit(maxlifetime int64, savePath string) error {
|
|
rp.maxlifetime = maxlifetime
|
|
configs := strings.Split(savePath, ",")
|
|
if len(configs) > 0 {
|
|
rp.savePath = configs[0]
|
|
}
|
|
if len(configs) > 1 {
|
|
poolsize, err := strconv.Atoi(configs[1])
|
|
if err != nil || poolsize <= 0 {
|
|
rp.poolsize = MaxPoolSize
|
|
} else {
|
|
rp.poolsize = poolsize
|
|
}
|
|
} else {
|
|
rp.poolsize = MaxPoolSize
|
|
}
|
|
if len(configs) > 2 {
|
|
rp.password = configs[2]
|
|
}
|
|
if len(configs) > 3 {
|
|
dbnum, err := strconv.Atoi(configs[3])
|
|
if err != nil || dbnum < 0 {
|
|
rp.dbNum = 0
|
|
} else {
|
|
rp.dbNum = dbnum
|
|
}
|
|
} else {
|
|
rp.dbNum = 0
|
|
}
|
|
rp.poollist = redis.NewPool(func() (redis.Conn, error) {
|
|
c, err := redis.Dial("tcp", rp.savePath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if rp.password != "" {
|
|
if _, err := c.Do("AUTH", rp.password); err != nil {
|
|
c.Close()
|
|
return nil, err
|
|
}
|
|
}
|
|
_, err = c.Do("SELECT", rp.dbNum)
|
|
if err != nil {
|
|
c.Close()
|
|
return nil, err
|
|
}
|
|
return c, err
|
|
}, rp.poolsize)
|
|
|
|
return rp.poollist.Get().Err()
|
|
}
|
|
|
|
// SessionRead read redis session by sid
|
|
func (rp *Provider) SessionRead(sid string) (session.Store, error) {
|
|
c := rp.poollist.Get()
|
|
defer c.Close()
|
|
|
|
kvs, err := redis.String(c.Do("GET", sid))
|
|
var kv map[interface{}]interface{}
|
|
if len(kvs) == 0 {
|
|
kv = make(map[interface{}]interface{})
|
|
} else {
|
|
kv, err = session.DecodeGob([]byte(kvs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
rs := &SessionStore{p: rp.poollist, sid: sid, values: kv, maxlifetime: rp.maxlifetime}
|
|
return rs, nil
|
|
}
|
|
|
|
// SessionExist check redis session exist by sid
|
|
func (rp *Provider) SessionExist(sid string) bool {
|
|
c := rp.poollist.Get()
|
|
defer c.Close()
|
|
|
|
if existed, err := redis.Int(c.Do("EXISTS", sid)); err != nil || existed == 0 {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
// SessionRegenerate generate new sid for redis session
|
|
func (rp *Provider) SessionRegenerate(oldsid, sid string) (session.Store, error) {
|
|
c := rp.poollist.Get()
|
|
defer c.Close()
|
|
|
|
if existed, _ := redis.Int(c.Do("EXISTS", oldsid)); existed == 0 {
|
|
// oldsid doesn't exists, set the new sid directly
|
|
// ignore error here, since if it return error
|
|
// the existed value will be 0
|
|
c.Do("SET", sid, "", "EX", rp.maxlifetime)
|
|
} else {
|
|
c.Do("RENAME", oldsid, sid)
|
|
c.Do("EXPIRE", sid, rp.maxlifetime)
|
|
}
|
|
|
|
kvs, err := redis.String(c.Do("GET", sid))
|
|
var kv map[interface{}]interface{}
|
|
if len(kvs) == 0 {
|
|
kv = make(map[interface{}]interface{})
|
|
} else {
|
|
kv, err = session.DecodeGob([]byte(kvs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
rs := &SessionStore{p: rp.poollist, sid: sid, values: kv, maxlifetime: rp.maxlifetime}
|
|
return rs, nil
|
|
}
|
|
|
|
// SessionDestroy delete redis session by id
|
|
func (rp *Provider) SessionDestroy(sid string) error {
|
|
c := rp.poollist.Get()
|
|
defer c.Close()
|
|
|
|
c.Do("DEL", sid)
|
|
return nil
|
|
}
|
|
|
|
// SessionGC Impelment method, no used.
|
|
func (rp *Provider) SessionGC() {
|
|
return
|
|
}
|
|
|
|
// SessionAll return all activeSession
|
|
func (rp *Provider) SessionAll() int {
|
|
return 0
|
|
}
|
|
|
|
func init() {
|
|
session.Register("redis", redispder)
|
|
}
|