portainer/api/http/error/error.go

31 lines
914 B
Go

package error
import (
"encoding/json"
"log"
"net/http"
"strings"
)
// errorResponse is a generic response for sending a error.
type errorResponse struct {
Err string `json:"err,omitempty"`
}
// WriteErrorResponse writes an error message to the response and logger.
func WriteErrorResponse(w http.ResponseWriter, err error, code int, logger *log.Logger) {
if logger != nil {
logger.Printf("http error: %s (code=%d)", err, code)
}
w.WriteHeader(code)
json.NewEncoder(w).Encode(&errorResponse{Err: err.Error()})
}
// WriteMethodNotAllowedResponse writes an error message to the response and sets the Allow header.
func WriteMethodNotAllowedResponse(w http.ResponseWriter, allowedMethods []string) {
w.Header().Set("Allow", strings.Join(allowedMethods, ", "))
w.WriteHeader(http.StatusMethodNotAllowed)
json.NewEncoder(w).Encode(&errorResponse{Err: http.StatusText(http.StatusMethodNotAllowed)})
}