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