mirror of
https://github.com/lzh-1625/go_process_manager.git
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update
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67
utils/jwt.go
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67
utils/jwt.go
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package utils
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import (
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"errors"
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"time"
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"github.com/lzh-1625/go_process_manager/config"
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"github.com/golang-jwt/jwt"
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)
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var mySecret []byte
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func SetSecret(secret []byte) {
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mySecret = secret
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}
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func keyFunc(_ *jwt.Token) (i interface{}, err error) {
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return mySecret, nil
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}
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type MyClaims struct {
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UserName string `json:"user_name"`
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jwt.StandardClaims
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}
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func GenToken(UserName string) (string, error) {
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// 创建一个我们自己的声明的数据
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c := MyClaims{
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UserName,
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jwt.StandardClaims{
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ExpiresAt: time.Now().Add(
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time.Duration(config.CF.TokenExpirationTime) * time.Hour).Unix(), // 过期时间
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Issuer: "jwt", // 签发人
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},
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}
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// 使用指定的签名方法创建签名对象
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, c)
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return token.SignedString(mySecret)
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}
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func ParseToken(tokenString string) (*MyClaims, error) {
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var mc = new(MyClaims)
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token, err := jwt.ParseWithClaims(tokenString, mc, keyFunc)
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if err != nil {
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return nil, err
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}
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if token.Valid {
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return mc, nil
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}
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return nil, errors.New("invalid token")
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}
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func RefreshToken(aToken, rToken string) (newAToken, newRToken string, err error) {
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if _, err = jwt.Parse(rToken, keyFunc); err != nil {
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return
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}
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var claims MyClaims
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_, err = jwt.ParseWithClaims(aToken, &claims, keyFunc)
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v, _ := err.(*jwt.ValidationError)
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if v.Errors == jwt.ValidationErrorExpired {
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token, _ := GenToken(claims.UserName)
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return token, "", nil
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}
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return
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}
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