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