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Token has invalid claims: token is expired #372

Answered by oxisto
maheshkumar2150 asked this question in Q&A
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How do i exactly look for the error?

What does it mean that token has invalid claims?

If the token has just expired, i would like to issue a new token. But it has invalid key or anything else, i cant issue a new token.

How do i check for errors?
Please give me an example

Thanks..
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I am not 100 % sure, if I understand your problem correctly, but if you are looking for a way to differentiate between different error messages coming from the parser, you can have a look at our examples:

jwt/example_test.go

Lines 164 to 189 in 4d0edcd

// An example of parsing the error types using errors.Is.
func ExampleParse_errorChecking() {
// Token from another example. This token is expired
var tokenString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
return []byte("AllY...

Replies: 1 comment 2 replies

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I am not 100 % sure, if I understand your problem correctly, but if you are looking for a way to differentiate between different error messages coming from the parser, you can have a look at our examples:

jwt/example_test.go

Lines 164 to 189 in 4d0edcd

// An example of parsing the error types using errors.Is.
func ExampleParse_errorChecking() {
// Token from another example. This token is expired
var tokenString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
return []byte("AllYourBase"), nil
})
switch {
case token.Valid:
fmt.Println("You look nice today")
case errors.Is(err, jwt.ErrTokenMalformed):
fmt.Println("That's not even a token")
case errors.Is(err, jwt.ErrTokenSignatureInvalid):
// Invalid signature
fmt.Println("Invalid signature")
case errors.Is(err, jwt.ErrTokenExpired) || errors.Is(err, jwt.ErrTokenNotValidYet):
// Token is either expired or not active yet
fmt.Println("Timing is everything")
default:
fmt.Println("Couldn't handle this token:", err)
}
// Output: Timing is everything
}

Basically, you can use errors.Is to check for the different error types.
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2 replies
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This is what i want exactly..

From where can i find this example??

Thanks a lot for helping..
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https://github.com/golang-jwt/jwt/blob/main/example_test.go

Answer selected by oxisto
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