49f7f54d07
Refactory authorizer to take a set of authentication handlers for different authentication schemes returned by an unauthorized HTTP requst. Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
package client
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"github.com/docker/distribution/registry/api/v2"
|
|
)
|
|
|
|
// BlobUploadNotFoundError is returned when making a blob upload operation against an
|
|
// invalid blob upload location url.
|
|
// This may be the result of using a cancelled, completed, or stale upload
|
|
// location.
|
|
type BlobUploadNotFoundError struct {
|
|
Location string
|
|
}
|
|
|
|
func (e *BlobUploadNotFoundError) Error() string {
|
|
return fmt.Sprintf("No blob upload found at Location: %s", e.Location)
|
|
}
|
|
|
|
// BlobUploadInvalidRangeError is returned when attempting to upload an image
|
|
// blob chunk that is out of order.
|
|
// This provides the known BlobSize and LastValidRange which can be used to
|
|
// resume the upload.
|
|
type BlobUploadInvalidRangeError struct {
|
|
Location string
|
|
LastValidRange int
|
|
BlobSize int
|
|
}
|
|
|
|
func (e *BlobUploadInvalidRangeError) Error() string {
|
|
return fmt.Sprintf(
|
|
"Invalid range provided for upload at Location: %s. Last Valid Range: %d, Blob Size: %d",
|
|
e.Location, e.LastValidRange, e.BlobSize)
|
|
}
|
|
|
|
// UnexpectedHTTPStatusError is returned when an unexpected HTTP status is
|
|
// returned when making a registry api call.
|
|
type UnexpectedHTTPStatusError struct {
|
|
Status string
|
|
}
|
|
|
|
func (e *UnexpectedHTTPStatusError) Error() string {
|
|
return fmt.Sprintf("Received unexpected HTTP status: %s", e.Status)
|
|
}
|
|
|
|
// UnexpectedHTTPResponseError is returned when an expected HTTP status code
|
|
// is returned, but the content was unexpected and failed to be parsed.
|
|
type UnexpectedHTTPResponseError struct {
|
|
ParseErr error
|
|
Response []byte
|
|
}
|
|
|
|
func (e *UnexpectedHTTPResponseError) Error() string {
|
|
shortenedResponse := string(e.Response)
|
|
if len(shortenedResponse) > 15 {
|
|
shortenedResponse = shortenedResponse[:12] + "..."
|
|
}
|
|
return fmt.Sprintf("Error parsing HTTP response: %s: %q", e.ParseErr.Error(), shortenedResponse)
|
|
}
|
|
|
|
func parseHTTPErrorResponse(response *http.Response) error {
|
|
var errors v2.Errors
|
|
body, err := ioutil.ReadAll(response.Body)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := json.Unmarshal(body, &errors); err != nil {
|
|
return &UnexpectedHTTPResponseError{
|
|
ParseErr: err,
|
|
Response: body,
|
|
}
|
|
}
|
|
return &errors
|
|
}
|
|
|
|
func handleErrorResponse(resp *http.Response) error {
|
|
if resp.StatusCode >= 400 && resp.StatusCode < 500 {
|
|
return parseHTTPErrorResponse(resp)
|
|
}
|
|
return &UnexpectedHTTPStatusError{Status: resp.Status}
|
|
}
|