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authorize: add support for .pomerium and unauthenticated routes (#639)

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* authorize: add support for .pomerium and unauthenticated routes
integration-tests: add test for forward auth dashboard urls

* proxy: fix ctx error test to return a 200 when authorize allows it
This commit is contained in:
Caleb Doxsey 2020-04-29 10:55:46 -06:00 • committed by GitHub
parent e5c7c5b27e
commit b1d3bbaf56
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11 changed files with 158 additions and 69 deletions
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29
proxy/forward_auth.go
View file

@ -117,21 +117,22 @@ func (p *Proxy) Verify(verifyOnly bool) http.Handler {
}
originalRequest := p.getOriginalRequest(r, uri)
if _, err := sessions.FromContext(r.Context()); err != nil {
if verifyOnly {
return httputil.NewError(http.StatusUnauthorized, err)
}
authN := *p.authenticateSigninURL
q := authN.Query()
q.Set(urlutil.QueryCallbackURI, uri.String())
q.Set(urlutil.QueryRedirectURI, uri.String()) // final destination
q.Set(urlutil.QueryForwardAuth, urlutil.StripPort(r.Host)) // add fwd auth to trusted audience
authN.RawQuery = q.Encode()
httputil.Redirect(w, r, urlutil.NewSignedURL(p.SharedKey, &authN).String(), http.StatusFound)
return nil
}
if err := p.authorize(w, originalRequest); err != nil {
// no session, so redirect
if _, err := sessions.FromContext(r.Context()); err != nil {
if verifyOnly {
return httputil.NewError(http.StatusUnauthorized, err)
}
authN := *p.authenticateSigninURL
q := authN.Query()
q.Set(urlutil.QueryCallbackURI, uri.String())
q.Set(urlutil.QueryRedirectURI, uri.String()) // final destination
q.Set(urlutil.QueryForwardAuth, urlutil.StripPort(r.Host)) // add fwd auth to trusted audience
authN.RawQuery = q.Encode()
httputil.Redirect(w, r, urlutil.NewSignedURL(p.SharedKey, &authN).String(), http.StatusFound)
return nil
}
return err
}

5
proxy/middleware.go
View file

@ -103,10 +103,7 @@ func (p *Proxy) AuthorizeSession(next http.Handler) http.Handler {
func (p *Proxy) authorize(w http.ResponseWriter, r *http.Request) error {
ctx, span := trace.StartSpan(r.Context(), "proxy.authorize")
defer span.End()
jwt, err := sessions.FromContext(ctx)
if err != nil {
return httputil.NewError(http.StatusInternalServerError, err)
}
jwt, _ := sessions.FromContext(ctx)
authz, err := p.AuthorizeClient.Authorize(ctx, jwt, r)
if err != nil {
return httputil.NewError(http.StatusInternalServerError, err)

2
proxy/middleware_test.go
View file

@ -159,7 +159,7 @@ func TestProxy_AuthorizeSession(t *testing.T) {
}{
{"user is authorized", 200, &mstore.Store{Session: &sessions.State{Email: "user@test.example", Expiry: jwt.NewNumericDate(time.Now().Add(10 * time.Second))}}, client.MockAuthorize{AuthorizeResponse: &authorize.IsAuthorizedReply{Allow: true}}, nil, identity.MockProvider{}, http.StatusOK},
{"user is not authorized", 200, &mstore.Store{Session: &sessions.State{Email: "user@test.example", Expiry: jwt.NewNumericDate(time.Now().Add(10 * time.Second))}}, client.MockAuthorize{AuthorizeResponse: &authorize.IsAuthorizedReply{Allow: false}}, nil, identity.MockProvider{}, http.StatusForbidden},
{"ctx error", 200, &mstore.Store{Session: &sessions.State{Email: "user@test.example", Expiry: jwt.NewNumericDate(time.Now().Add(10 * time.Second))}}, client.MockAuthorize{AuthorizeResponse: &authorize.IsAuthorizedReply{Allow: true}}, errors.New("hi"), identity.MockProvider{}, http.StatusInternalServerError},
{"ctx error", 200, &mstore.Store{Session: &sessions.State{Email: "user@test.example", Expiry: jwt.NewNumericDate(time.Now().Add(10 * time.Second))}}, client.MockAuthorize{AuthorizeResponse: &authorize.IsAuthorizedReply{Allow: true}}, errors.New("hi"), identity.MockProvider{}, http.StatusOK},
{"authz client error", 200, &mstore.Store{Session: &sessions.State{Email: "user@test.example", Expiry: jwt.NewNumericDate(time.Now().Add(10 * time.Second))}}, client.MockAuthorize{AuthorizeError: errors.New("err")}, nil, identity.MockProvider{}, http.StatusInternalServerError},
{"expired, reauth failed", 200, &mstore.Store{Session: &sessions.State{Email: "user@test.example", Expiry: jwt.NewNumericDate(time.Now().Add(10 * time.Second))}}, client.MockAuthorize{AuthorizeResponse: &authorize.IsAuthorizedReply{SessionExpired: true}}, nil, identity.MockProvider{}, http.StatusForbidden},
//todo(bdd): it's a bit tricky to test the refresh flow