61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package application
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import (
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"encoding/json"
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"net/http"
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"net/url"
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"strings"
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"goauthentik.io/internal/outpost/proxyv2/constants"
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)
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func (a *Application) checkAuthHeaderBearer(r *http.Request) string {
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auth := r.Header.Get(constants.HeaderAuthorization)
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if auth == "" {
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return ""
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}
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if len(auth) < len(constants.AuthBearer) || !strings.EqualFold(auth[:len(constants.AuthBearer)], constants.AuthBearer) {
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return ""
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}
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return auth[len(constants.AuthBearer):]
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}
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type TokenIntrospectionResponse struct {
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Claims
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Scope string `json:"scope"`
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Active bool `json:"active"`
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ClientID string `json:"client_id"`
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}
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func (a *Application) attemptBearerAuth(token string) *TokenIntrospectionResponse {
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values := url.Values{
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"client_id": []string{a.oauthConfig.ClientID},
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"client_secret": []string{a.oauthConfig.ClientSecret},
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"token": []string{token},
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}
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req, err := http.NewRequest("POST", a.endpoint.TokenIntrospection, strings.NewReader(values.Encode()))
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if err != nil {
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a.log.WithError(err).Warning("failed to create introspection request")
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return nil
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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res, err := a.httpClient.Do(req)
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if err != nil || res.StatusCode > 200 {
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a.log.WithError(err).Warning("failed to send introspection request")
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return nil
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}
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intro := TokenIntrospectionResponse{}
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err = json.NewDecoder(res.Body).Decode(&intro)
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if err != nil {
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a.log.WithError(err).Warning("failed to parse introspection response")
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return nil
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}
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if !intro.Active {
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a.log.Warning("token is not active")
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return nil
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}
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intro.RawToken = token
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a.log.Trace("successfully introspected bearer token")
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return &intro
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}
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