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dex/server/error.go
2015-08-18 11:26:57 -07:00

85 lines
1.9 KiB
Go

package server
import (
"net/http"
"net/url"
"github.com/coreos/go-oidc/oauth2"
)
const (
errorInvalidClientMetadata = "invalid_client_metadata"
errorInvalidRequest = "invalid_request"
errorServerError = "server_error"
errorAccessDenied = "access_denied"
)
type apiError struct {
Type string `json:"error"`
Description string `json:"error_description,omitempty"`
}
func (e *apiError) Error() string {
return e.Type
}
func newAPIError(typ, desc string) *apiError {
return &apiError{Type: typ, Description: desc}
}
func writeAPIError(w http.ResponseWriter, code int, err error) {
aerr, ok := err.(*apiError)
if !ok {
aerr = newAPIError(errorServerError, "")
}
if aerr.Type == "" {
aerr.Type = errorServerError
}
if code == 0 {
code = http.StatusInternalServerError
}
writeResponseWithBody(w, code, aerr)
}
func writeTokenError(w http.ResponseWriter, err error, state string) {
oerr, ok := err.(*oauth2.Error)
if !ok {
oerr = oauth2.NewError(oauth2.ErrorServerError)
}
oerr.State = state
var status int
switch oerr.Type {
case oauth2.ErrorInvalidClient:
status = http.StatusUnauthorized
w.Header().Set("WWW-Authenticate", "Basic")
default:
status = http.StatusBadRequest
}
writeResponseWithBody(w, status, oerr)
}
func writeAuthError(w http.ResponseWriter, err error, state string) {
oerr, ok := err.(*oauth2.Error)
if !ok {
oerr = oauth2.NewError(oauth2.ErrorServerError)
}
oerr.State = state
writeResponseWithBody(w, http.StatusBadRequest, oerr)
}
func redirectAuthError(w http.ResponseWriter, err error, state string, redirectURL url.URL) {
oerr, ok := err.(*oauth2.Error)
if !ok {
oerr = oauth2.NewError(oauth2.ErrorServerError)
}
q := redirectURL.Query()
q.Set("error", oerr.Type)
q.Set("state", state)
redirectURL.RawQuery = q.Encode()
w.Header().Set("Location", redirectURL.String())
w.WriteHeader(http.StatusTemporaryRedirect)
}