61 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package application
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| 
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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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| 
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| 	"goauthentik.io/internal/outpost/proxyv2/constants"
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| )
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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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| 
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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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| 
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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.publicHostHTTPClient.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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