func()

in google/internal/externalaccount/clientauth.go [26:45]

• 19 lines of code
• 8 McCabe index (conditional complexity)

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)
	}
}