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package jwt
import (
"errors"
"strings"
)
var (
ErrInvalidKey = errors.New("key is invalid")
ErrInvalidKeyType = errors.New("key is of invalid type")
ErrHashUnavailable = errors.New("the requested hash function is unavailable")
ErrTokenMalformed = errors.New("token is malformed")
ErrTokenUnverifiable = errors.New("token is unverifiable")
ErrTokenSignatureInvalid = errors.New("token signature is invalid")
ErrTokenRequiredClaimMissing = errors.New("token is missing required claim")
ErrTokenInvalidAudience = errors.New("token has invalid audience")
ErrTokenExpired = errors.New("token is expired")
ErrTokenUsedBeforeIssued = errors.New("token used before issued")
ErrTokenInvalidIssuer = errors.New("token has invalid issuer")
ErrTokenInvalidSubject = errors.New("token has invalid subject")
ErrTokenNotValidYet = errors.New("token is not valid yet")
ErrTokenInvalidId = errors.New("token has invalid id")
ErrTokenInvalidClaims = errors.New("token has invalid claims")
ErrInvalidType = errors.New("invalid type for claim")
)
// joinedError is an error type that works similar to what [errors.Join]
// produces, with the exception that it has a nice error string; mainly its
// error messages are concatenated using a comma, rather than a newline.
type joinedError struct {
errs []error
}
func (je joinedError) Error() string {
msg := []string{}
for _, err := range je.errs {
msg = append(msg, err.Error())
}
return strings.Join(msg, ", ")
}
// joinErrors joins together multiple errors. Useful for scenarios where
// multiple errors next to each other occur, e.g., in claims validation.
func joinErrors(errs ...error) error {
return &joinedError{
errs: errs,
}
}
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