Golang DecodeGob Examples

Example #1

File: sess_postgresql.go Project: achatur/beego

// get postgresql session by sid
func (mp *PostgresqlProvider) SessionRead(sid string) (session.SessionStore, error) {
	c := mp.connectInit()
	row := c.QueryRow("select session_data from session where session_key=$1", sid)
	var sessiondata []byte
	err := row.Scan(&sessiondata)
	if err == sql.ErrNoRows {
		_, err = c.Exec("insert into session(session_key,session_data,session_expiry) values($1,$2,$3)",
			sid, "", time.Now().Format(time.RFC3339))

		if err != nil {
			return nil, err
		}
	} else if err != nil {
		return nil, err
	}

	var kv map[interface{}]interface{}
	if len(sessiondata) == 0 {
		kv = make(map[interface{}]interface{})
	} else {
		kv, err = session.DecodeGob(sessiondata)
		if err != nil {
			return nil, err
		}
	}
	rs := &PostgresqlSessionStore{c: c, sid: sid, values: kv}
	return rs, nil
}

Example #2

File: sess_redis.go Project: achatur/beego

// generate new sid for redis session
func (rp *RedisProvider) SessionRegenerate(oldsid, sid string) (session.SessionStore, 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 := &RedisSessionStore{p: rp.poollist, sid: sid, values: kv, maxlifetime: rp.maxlifetime}
	return rs, nil
}

Example #3

File: ledis_session.go Project: achatur/beego

// generate new sid for ledis session
func (lp *LedisProvider) SessionRegenerate(oldsid, sid string) (session.SessionStore, error) {
	count, _ := c.Exists([]byte(sid))
	if count == 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.Set([]byte(sid), []byte(""))
		c.Expire([]byte(sid), lp.maxlifetime)
	} else {
		data, _ := c.Get([]byte(oldsid))
		c.Set([]byte(sid), data)
		c.Expire([]byte(sid), lp.maxlifetime)
	}
	kvs, err := c.Get([]byte(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
		}
	}
	ls := &LedisSessionStore{sid: sid, values: kv, maxlifetime: lp.maxlifetime}
	return ls, nil
}

Example #4

File: sess_couchbase.go Project: achatur/beego

func (cp *CouchbaseProvider) SessionRegenerate(oldsid, sid string) (session.SessionStore, error) {
	cp.b = cp.getBucket()

	var doc []byte
	if err := cp.b.Get(oldsid, &doc); err != nil || doc == nil {
		cp.b.Set(sid, int(cp.maxlifetime), "")
	} else {
		err := cp.b.Delete(oldsid)
		if err != nil {
			return nil, err
		}
		_, _ = cp.b.Add(sid, int(cp.maxlifetime), doc)
	}

	err := cp.b.Get(sid, &doc)
	if err != nil {
		return nil, err
	}
	var kv map[interface{}]interface{}
	if doc == nil {
		kv = make(map[interface{}]interface{})
	} else {
		kv, err = session.DecodeGob(doc)
		if err != nil {
			return nil, err
		}
	}

	cs := &CouchbaseSessionStore{b: cp.b, sid: sid, values: kv, maxlifetime: cp.maxlifetime}
	return cs, nil
}

Example #5

File: ledis_session.go Project: achatur/beego

// read ledis session by sid
func (lp *LedisProvider) SessionRead(sid string) (session.SessionStore, error) {
	kvs, err := c.Get([]byte(sid))
	var kv map[interface{}]interface{}
	if len(kvs) == 0 {
		kv = make(map[interface{}]interface{})
	} else {
		kv, err = session.DecodeGob(kvs)
		if err != nil {
			return nil, err
		}
	}
	ls := &LedisSessionStore{sid: sid, values: kv, maxlifetime: lp.maxlifetime}
	return ls, nil
}

Example #6

File: sess_redis.go Project: achatur/beego

// read redis session by sid
func (rp *RedisProvider) SessionRead(sid string) (session.SessionStore, 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 := &RedisSessionStore{p: rp.poollist, sid: sid, values: kv, maxlifetime: rp.maxlifetime}
	return rs, nil
}

Example #7

File: sess_couchbase.go Project: achatur/beego

// read couchbase session by sid
func (cp *CouchbaseProvider) SessionRead(sid string) (session.SessionStore, error) {
	cp.b = cp.getBucket()

	var doc []byte

	err := cp.b.Get(sid, &doc)
	var kv map[interface{}]interface{}
	if doc == nil {
		kv = make(map[interface{}]interface{})
	} else {
		kv, err = session.DecodeGob(doc)
		if err != nil {
			return nil, err
		}
	}

	cs := &CouchbaseSessionStore{b: cp.b, sid: sid, values: kv, maxlifetime: cp.maxlifetime}
	return cs, nil
}

Example #8

File: sess_mysql.go Project: achatur/beego

// generate new sid for mysql session
func (mp *MysqlProvider) SessionRegenerate(oldsid, sid string) (session.SessionStore, error) {
	c := mp.connectInit()
	row := c.QueryRow("select session_data from session where session_key=?", oldsid)
	var sessiondata []byte
	err := row.Scan(&sessiondata)
	if err == sql.ErrNoRows {
		c.Exec("insert into session(`session_key`,`session_data`,`session_expiry`) values(?,?,?)", oldsid, "", time.Now().Unix())
	}
	c.Exec("update session set `session_key`=? where session_key=?", sid, oldsid)
	var kv map[interface{}]interface{}
	if len(sessiondata) == 0 {
		kv = make(map[interface{}]interface{})
	} else {
		kv, err = session.DecodeGob(sessiondata)
		if err != nil {
			return nil, err
		}
	}
	rs := &MysqlSessionStore{c: c, sid: sid, values: kv}
	return rs, nil
}