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