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package service
import (
"errors"
"fmt"
"io/ioutil"
"os"
"strings"
"cocogo/pkg/common"
"cocogo/pkg/logger"
)
var (
AccessKeyNotFound = errors.New("access key not found")
AccessKeyFileNotFound = errors.New("access key file not found")
AccessKeyInvalid = errors.New("access key not valid")
)
type AccessKey struct {
Id string
Secret string
Path string
Value string
}
func (ak AccessKey) Sign() (string, string) {
date := common.HTTPGMTDate()
signature := common.MakeSignature(ak.Secret, date)
return date, fmt.Sprintf("Sign %s:%s", ak.Id, signature)
}
func (ak *AccessKey) LoadAccessKeyFromStr(key string) error {
if key == "" {
return AccessKeyNotFound
}
keySlice := strings.Split(strings.TrimSpace(key), ":")
if len(keySlice) != 2 {
return AccessKeyInvalid
}
ak.Id = keySlice[0]
ak.Secret = keySlice[1]
return nil
}
func (ak *AccessKey) LoadAccessKeyFromFile(keyPath string) error {
if keyPath == "" {
return AccessKeyNotFound
}
_, err := os.Stat(keyPath)
if err != nil {
return AccessKeyFileNotFound
}
buf, err := ioutil.ReadFile(keyPath)
if err != nil {
msg := fmt.Sprintf("read access key failed: %s", err)
return errors.New(msg)
}
return ak.LoadAccessKeyFromStr(string(buf))
}
func (ak *AccessKey) SaveToFile() error {
return nil
}
func (ak *AccessKey) Register(times int) error {
return nil
}
// LoadAccessKey 加载AccessKey用来与 Core Api 交互
func (ak *AccessKey) Load() (err error) {
err = ak.LoadAccessKeyFromStr(ak.Value)
if err == nil {
return
}
err = ak.LoadAccessKeyFromFile(ak.Path)
if err == nil {
return
}
err = ak.Register(10)
if err != nil {
msg := "register access key failed"
logger.Error(msg)
return errors.New(msg)
}
err = ak.SaveToFile()
if err != nil {
msg := fmt.Sprintf("save to access key to file error: %s", err)
logger.Error(msg)
return errors.New(msg)
}
return nil
}