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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package oauth2
import (
// OIDCWellKnownEndpoints holds the well known OIDC endpoints
type OIDCWellKnownEndpoints struct {
AuthorizationEndpoint string `json:"authorization_endpoint"`
TokenEndpoint string `json:"token_endpoint"`
DeviceAuthorizationEndpoint string `json:"device_authorization_endpoint"`
// GetOIDCWellKnownEndpointsFromIssuerURL gets the well known endpoints for the
// passed in issuer url
func GetOIDCWellKnownEndpointsFromIssuerURL(issuerURL string) (*OIDCWellKnownEndpoints, error) {
u, err := url.Parse(issuerURL)
if err != nil {
return nil, errors.Wrap(err, "could not parse issuer url to build well known endpoints")
u.Path = path.Join(u.Path, ".well-known/openid-configuration")
r, err := http.Get(u.String())
if err != nil {
return nil, errors.Wrapf(err, "could not get well known endpoints from url %s", u.String())
defer r.Body.Close()
var wkEndpoints OIDCWellKnownEndpoints
err = json.NewDecoder(r.Body).Decode(&wkEndpoints)
if err != nil {
return nil, errors.Wrap(err, "could not decode json body when getting well known endpoints")
return &wkEndpoints, nil