gowebdav/errors.go

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package gowebdav
import (
"errors"
"fmt"
"os"
)
// ErrAuthChanged must be returned from the Verify method as an error
// to trigger a re-authentication / negotiation with a new authenticator.
var ErrAuthChanged = errors.New("authentication failed, change algorithm")
// ErrTooManyRedirects will be used as return error if a request exceeds 10 redirects.
var ErrTooManyRedirects = errors.New("stopped after 10 redirects")
// StatusError implements error and wraps
// an erroneous status code.
type StatusError struct {
Status int
}
func (se StatusError) Error() string {
return fmt.Sprintf("%d", se.Status)
}
// IsErrCode returns true if the given error
// is an os.PathError wrapping a StatusError
// with the given status code.
func IsErrCode(err error, code int) bool {
if pe, ok := err.(*os.PathError); ok {
se, ok := pe.Err.(StatusError)
return ok && se.Status == code
}
return false
}
// IsErrNotFound is shorthand for IsErrCode
// for status 404.
func IsErrNotFound(err error) bool {
return IsErrCode(err, 404)
}
func NewPathError(op string, path string, statusCode int) error {
return &os.PathError{
Op: op,
Path: path,
Err: StatusError{statusCode},
}
}
func NewPathErrorErr(op string, path string, err error) error {
return &os.PathError{
Op: op,
Path: path,
Err: err,
}
}