mirror of
https://github.com/yunionio/cloudpods.git
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69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package feishu
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"time"
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)
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type IExpirable interface {
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CreatedAt() int64
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ExpiresIn() int64
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}
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type ICache interface {
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Set(data IExpirable) error
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Get(data IExpirable) error
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}
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type FileCache struct {
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Path string
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}
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func NewFileCache(path string) *FileCache {
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return &FileCache{
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Path: path,
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}
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}
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func (c *FileCache) Set(data IExpirable) error {
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bytes, err := json.Marshal(data)
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if err == nil {
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ioutil.WriteFile(c.Path, bytes, 0644)
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}
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return err
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}
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func (c *FileCache) Get(data IExpirable) error {
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bytes, err := ioutil.ReadFile(c.Path)
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if err != nil {
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return err
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}
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err = json.Unmarshal(bytes, data)
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if err != nil {
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return err
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}
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created := data.CreatedAt()
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expires := data.ExpiresIn()
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// The operator '-120' can give us a head start on the expiration date
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if time.Now().Unix() > created+expires-120 {
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err = fmt.Errorf("Data is already expired")
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}
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return err
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}
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