48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package common
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import (
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"github.com/dgrijalva/jwt-go"
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"time"
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)
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var jwt_ket = []byte("ss_jwt_token")
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type Claims struct {
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Userid uint
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jwt.StandardClaims
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}
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func ReleaseToken(id uint) (token string, err error) {
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expire_time := time.Now().Add(7 * 24 * time.Hour)
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claims := &Claims{
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Userid: id,
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StandardClaims: jwt.StandardClaims{
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ExpiresAt: expire_time.Unix(),
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IssuedAt: time.Now().Unix(),
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Issuer: "admin",
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Subject: "user",
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},
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}
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token_obj := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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token, err = token_obj.SignedString(jwt_ket)
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return
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}
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func ParseToken(token string) (*Claims, error) {
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//用于解析鉴权的声明，方法内部主要是具体的解码和校验的过程，最终返回*Token
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tokenClaims, err := jwt.ParseWithClaims(token, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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return jwt_ket, nil
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})
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if tokenClaims != nil {
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// 从tokenClaims中获取到Claims对象，并使用断言，将该对象转换为我们自己定义的Claims
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// 要传入指针，项目中结构体都是用指针传递，节省空间。
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if claims, ok := tokenClaims.Claims.(*Claims); ok && tokenClaims.Valid {
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return claims, nil
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}
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}
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return nil, err
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}
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