我需要解码我的 JWT 令牌并检查范围是否是“医生”。
我对 GO 知之甚少,但我只需要在我的应用程序中编写一个小片段来扩展现有应用程序,因此它需要用 GO 编写。
这是我尝试解码令牌并检查“Doctor”是否在解码的令牌中,因为我无法专门访问范围。
for k, v := range props {
token_value := fmt.Sprint(v)
token_key := fmt.Sprint(cfg.AuthKey)
if (k == "custom_token_header") && strings.Contains(token_value, token_key) {
if token, _ := jwt.Parse(token_value, nil); token != nil {
parsed_token := fmt.Sprint(token)
log.Infof("Parsed token: " ,parsed_token)
if strings.Contains(parsed_token, "Doctor") {
log.Infof("user is a Doctor, perform checks...")
loc, _ := time.LoadLocation("GMT")
now := time.Now().In(loc)
hr, _, _ := now.Clock()
if hr >= 9 && hr < 5 {
log.Infof("success, inside of work hours!!")
return &v1beta1.CheckResult{
Status: status.OK,
}, nil
}
log.Infof("failure; outside of work hours!!")
return &v1beta1.CheckResult{
Status: status.WithPermissionDenied("Unauthorized..."),
}, nil
}
}
log.Infof("success, as you're not a doctor!!")
return &v1beta1.CheckResult{
Status: status.OK,
}, nil
}
}
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它在我的应用程序之外运行良好,但是当在我的应用程序内部运行时,它很奇怪并返回<nil> map[] <nil> false声明的位置,但是当在应用程序外部运行时它给了我
map[alg:RS256 kid:NUVGODIxQThBQkY2NjExQjgzMEJEMjVBQTc3QThBNTY4QTY3MzhEMA typ:JWT] map[aud:https://rba.com/doctor azp:3XFBbjTL6tsL9wH6iZQtkz3rKgGeiLwh exp:1.55546266e+09 gty:client-credentials iat:1.55537626e+09 iss:https://jor2.eu.auth0.com/ scope:Doctor sub:3XFBbjTL6tsL9wH6iZQtkz3rKgGeiLwh@clients] false
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多亏了 devdotlog,我才能够通过此更改进行操作:
for k, v := range props {
tokenString := fmt.Sprint(v)
tokenKey := fmt.Sprint(cfg.AuthKey)
if (k == "custom_token_header") && strings.Contains(tokenString, tokenKey) {
tokenString = strings.Replace(tokenString, "Bearer ", "", -1)
token, _, err := new(jwt.Parser).ParseUnverified(tokenString, jwt.MapClaims{})
if err != nil {
fmt.Println(err)
return nil, nil
}
if claims, ok := token.Claims.(jwt.MapClaims); ok {
tokenScope := fmt.Sprint(claims["scope"])
log.Infof("Scope: ", tokenScope)
if tokenScope == "Doctor" {
log.Infof("user is a Doctor, perform checks...")
loc, _ := time.LoadLocation("GMT")
now := time.Now().In(loc)
hr, _, _ := now.Clock()
if hr >= 9 && hr < 5 {
log.Infof("success, inside of work hours!!")
return &v1beta1.CheckResult{
Status: status.OK,
}, nil
}
log.Infof("failure; outside of work hours!!")
return &v1beta1.CheckResult{
Status: status.WithPermissionDenied("Unauthorized..."),
}, nil
}
fmt.Println(claims["scope"])
} else {
fmt.Println(err)
}
log.Infof("success, as you're not a doctor!!")
return &v1beta1.CheckResult{
Status: status.OK,
}, nil
}
}
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你用github.com/dgrijalva/jwt-go. 这是正确的?
您无需验证即可使用 ParseUnverified(https://godoc.org/github.com/dgrijalva/jwt-go#Parser.ParseUnverified)。
下面的代码是 ParseUnverified()' 示例。
package main
import (
"fmt"
"github.com/dgrijalva/jwt-go"
)
func main() {
// This token is expired
var tokenString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
token, _, err := new(jwt.Parser).ParseUnverified(tokenString, jwt.MapClaims{})
if err != nil {
fmt.Println(err)
return
}
if claims, ok := token.Claims.(jwt.MapClaims); ok {
fmt.Println(claims["foo"], claims["exp"])
} else {
fmt.Println(err)
}
}
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ParseUnverified() 仅用于调试。
警告:除非您知道自己在做什么,否则不要使用此方法
此方法解析令牌但不验证签名。它仅在您知道签名有效(因为之前已在堆栈中检查过)并且您想从中提取值的情况下才有用。
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