42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package externalaccount
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"golang.org/x/oauth2"
|
|
"net/http"
|
|
"net/url"
|
|
)
|
|
|
|
// clientAuthentication represents an OAuth client ID and secret and the mechanism for passing these credentials as stated in rfc6749#2.3.1.
|
|
type clientAuthentication struct {
|
|
// AuthStyle can be either basic or request-body
|
|
AuthStyle oauth2.AuthStyle
|
|
ClientID string
|
|
ClientSecret string
|
|
}
|
|
|
|
func (c *clientAuthentication) InjectAuthentication(values url.Values, headers http.Header) {
|
|
if c.ClientID == "" || c.ClientSecret == "" || values == nil || headers == nil {
|
|
return
|
|
}
|
|
|
|
switch c.AuthStyle {
|
|
case oauth2.AuthStyleInHeader: // AuthStyleInHeader corresponds to basic authentication as defined in rfc7617#2
|
|
plainHeader := c.ClientID + ":" + c.ClientSecret
|
|
headers.Add("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(plainHeader)))
|
|
case oauth2.AuthStyleInParams: // AuthStyleInParams corresponds to request-body authentication with ClientID and ClientSecret in the message body.
|
|
values.Set("client_id", c.ClientID)
|
|
values.Set("client_secret", c.ClientSecret)
|
|
case oauth2.AuthStyleAutoDetect:
|
|
values.Set("client_id", c.ClientID)
|
|
values.Set("client_secret", c.ClientSecret)
|
|
default:
|
|
values.Set("client_id", c.ClientID)
|
|
values.Set("client_secret", c.ClientSecret)
|
|
}
|
|
}
|