s3manager-web/errors.go
2017-05-25 18:40:34 +02:00

45 lines
1.2 KiB
Go

package s3manager
import (
"log"
"net/http"
"strings"
"github.com/pkg/errors"
)
// Error codes commonly used throughout the application
const (
errDecodingBody = "error decoding body JSON"
errEncodingJSON = "error encoding JSON"
errExecutingTemplate = "error executing template"
errParsingForm = "error parsing form"
errParsingTemplates = "error parsing template files"
)
// Errors that may be returned from an S3 client.
var (
ErrBucketDoesNotExist = errors.New("The specified bucket does not exist.")
ErrKeyDoesNotExist = errors.New("The specified key does not exist.")
)
// handleHTTPError handles HTTP errors.
func handleHTTPError(w http.ResponseWriter, err error) {
code := http.StatusInternalServerError
if errors.Cause(err) == ErrBucketDoesNotExist {
code = http.StatusNotFound
} else if errors.Cause(err) == ErrKeyDoesNotExist {
code = http.StatusNotFound
} else if strings.Contains(err.Error(), errDecodingBody) {
code = http.StatusUnprocessableEntity
} else if strings.Contains(err.Error(), errParsingForm) {
code = http.StatusUnprocessableEntity
}
http.Error(w, http.StatusText(code), code)
// Log if server error
if code >= 500 {
log.Println(err)
}
}