I'm using the dgrijalva/jwt-go/ package.
I would like to extract the payload from the token, and I couldn't find a way to do it.
Example (taken from : https://jwt.io/):
for encoded:
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ
I would like to extract the payload:
{
"sub": "1234567890",
"name": "John Doe",
"admin": true
}
I will be grateful for an example (using golang).
Sample Code:
func extractClaims(tokenStr string) (jwt.MapClaims, bool) {
hmacSecretString := // Value
hmacSecret := []byte(hmacSecretString)
token, err := jwt.Parse(tokenStr, func(token *jwt.Token) (interface{}, error) {
// check token signing method etc
return hmacSecret, nil
})
if err != nil {
return nil, false
}
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
return claims, true
} else {
log.Printf("Invalid JWT Token")
return nil, false
}
}
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