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auth_key_manager.go
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/
auth_key_manager.go
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/*
* Copyright (c) 2017, https://github.com/nebulaim
* 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 auth_key
import (
"github.com/golang/glog"
"encoding/base64"
"github.com/nebulaim/telegramd/biz_model/dal/dao"
"github.com/nebulaim/telegramd/biz_model/dal/dataobject"
"github.com/cosiner/gohper/errors"
)
// "root:@/nebulaim?charset=utf8"
// 30
func NewAuthKeyCacheManager() *AuthKeyCacheManager {
return &AuthKeyCacheManager{}
}
type AuthKeyCacheManager struct {
}
// TODO(@benqi): 暂时在这里操作数据库,需要改善的地方:
// 1. 如果数据库连接有问题,尝试存储到本地缓存
// 2. 所有需要读写数据库和缓存的地方,全部推给后端服务
// GetAuthKey(uint64) []byte
// PutAuthKey(uint64, []byte) error
func (s *AuthKeyCacheManager) GetAuthKey(keyID int64) (authKey []byte) {
defer func() {
if r := recover(); r != nil {
authKey = nil
}
}()
do := dao.GetAuthKeysDAO(dao.DB_SLAVE).SelectByAuthId(keyID)
if do == nil {
glog.Errorf("Read keyData error: not find keyId\n")
return nil
}
authKey, _ = base64.RawStdEncoding.DecodeString(do.Body)
return
}
func (s *AuthKeyCacheManager) PutAuthKey(keyID int64, key []byte) (err error) {
defer func() {
if r := recover(); r != nil {
err = errors.New(r)
}
}()
do := &dataobject.AuthKeysDO{ AuthId: keyID}
do.Body = base64.RawStdEncoding.EncodeToString(key)
dao.GetAuthKeysDAO(dao.DB_MASTER).Insert(do)
return
}