forked from mirror/jwt
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package jwt
|
|
|
|
import (
|
|
"errors"
|
|
)
|
|
|
|
// Error constants
|
|
var (
|
|
ErrInvalidKey = errors.New("key is invalid or of invalid type")
|
|
ErrHashUnavailable = errors.New("the requested hash function is unavailable")
|
|
ErrNoTokenInRequest = errors.New("no token present in request")
|
|
)
|
|
|
|
// The errors that might occur when parsing and validating a token
|
|
const (
|
|
ValidationErrorMalformed uint32 = 1 << iota // Token is malformed
|
|
ValidationErrorUnverifiable // Token could not be verified because of signing problems
|
|
ValidationErrorSignatureInvalid // Signature validation failed
|
|
ValidationErrorExpired // Exp validation failed
|
|
ValidationErrorNotValidYet // NBF validation failed
|
|
)
|
|
|
|
// The error from Parse if token is not valid
|
|
type ValidationError struct {
|
|
err string
|
|
Inner error // stores the error returned by external dependencies, i.e.: KeyFunc
|
|
Errors uint32 // bitfield. see ValidationError... constants
|
|
}
|
|
|
|
// Validation error is an error type
|
|
func (e ValidationError) Error() string {
|
|
if e.err == "" {
|
|
return "token is invalid"
|
|
}
|
|
return e.err
|
|
}
|
|
|
|
// No errors
|
|
func (e *ValidationError) valid() bool {
|
|
if e.Errors > 0 {
|
|
return false
|
|
}
|
|
return true
|
|
}
|