mirror of
https://github.com/astaxie/beego.git
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140 lines
3.0 KiB
Go
140 lines
3.0 KiB
Go
package session
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import (
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"github.com/garyburd/redigo/redis"
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"strconv"
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"strings"
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)
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var redispder = &RedisProvider{}
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var MAX_POOL_SIZE = 100
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var redisPool chan redis.Conn
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type RedisSessionStore struct {
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c redis.Conn
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sid string
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}
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func (rs *RedisSessionStore) Set(key, value interface{}) error {
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//_, err := rs.c.Do("HSET", rs.sid, key, value)
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_, err := rs.c.Do("HSET", rs.sid, key, value)
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return err
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}
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func (rs *RedisSessionStore) Get(key interface{}) interface{} {
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reply, err := rs.c.Do("HGET", rs.sid, key)
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if err != nil {
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return nil
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}
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return reply
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}
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func (rs *RedisSessionStore) Delete(key interface{}) error {
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//_, err := rs.c.Do("HDEL", rs.sid, key)
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_, err := rs.c.Do("HDEL", rs.sid, key)
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return err
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}
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func (rs *RedisSessionStore) Flush() error {
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_, err := rs.c.Do("DEL", rs.sid)
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return err
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}
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func (rs *RedisSessionStore) SessionID() string {
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return rs.sid
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}
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func (rs *RedisSessionStore) SessionRelease() {
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rs.c.Close()
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}
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type RedisProvider struct {
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maxlifetime int64
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savePath string
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poolsize int
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password string
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poollist *redis.Pool
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}
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//savepath like redisserveraddr,poolsize,password
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//127.0.0.1:6379,100,astaxie
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func (rp *RedisProvider) SessionInit(maxlifetime int64, savePath string) error {
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rp.maxlifetime = maxlifetime
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configs := strings.Split(savePath, ",")
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if len(configs) > 0 {
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rp.savePath = configs[0]
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}
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if len(configs) > 1 {
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poolsize, err := strconv.Atoi(configs[1])
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if err != nil || poolsize <= 0 {
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rp.poolsize = MAX_POOL_SIZE
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} else {
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rp.poolsize = poolsize
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}
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} else {
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rp.poolsize = MAX_POOL_SIZE
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}
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if len(configs) > 2 {
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rp.password = configs[2]
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}
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rp.poollist = redis.NewPool(func() (redis.Conn, error) {
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c, err := redis.Dial("tcp", rp.savePath)
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if err != nil {
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return nil, err
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}
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if rp.password != "" {
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if _, err := c.Do("AUTH", rp.password); err != nil {
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c.Close()
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return nil, err
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}
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}
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return c, err
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}, rp.poolsize)
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return nil
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}
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func (rp *RedisProvider) SessionRead(sid string) (SessionStore, error) {
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c := rp.poollist.Get()
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//if str, err := redis.String(c.Do("GET", sid)); err != nil || str == "" {
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if str, err := redis.String(c.Do("HGET", sid, sid)); err != nil || str == "" {
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//c.Do("SET", sid, sid, rp.maxlifetime)
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c.Do("HSET", sid, sid, rp.maxlifetime)
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}
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c.Do("EXPIRE", sid, rp.maxlifetime)
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rs := &RedisSessionStore{c: c, sid: sid}
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return rs, nil
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}
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func (rp *RedisProvider) SessionRegenerate(oldsid, sid string) (SessionStore, error) {
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c := rp.poollist.Get()
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if str, err := redis.String(c.Do("HGET", oldsid, oldsid)); err != nil || str == "" {
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c.Do("HSET", oldsid, oldsid, rp.maxlifetime)
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}
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c.Do("RENAME", oldsid, sid)
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c.Do("EXPIRE", sid, rp.maxlifetime)
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rs := &RedisSessionStore{c: c, sid: sid}
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return rs, nil
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}
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func (rp *RedisProvider) SessionDestroy(sid string) error {
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c := rp.poollist.Get()
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c.Do("DEL", sid)
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return nil
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}
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func (rp *RedisProvider) SessionGC() {
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return
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}
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//@todo
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func (rp *RedisProvider) SessionAll() int {
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return 0
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}
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func init() {
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Register("redis", redispder)
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}
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