391 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			391 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
| package providers
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| 
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| import (
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| 	"context"
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| 	"errors"
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| 	"net/http"
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| 	"net/http/httptest"
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| 	"net/url"
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| 
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| 	"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/options"
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| 	"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
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| 	. "github.com/onsi/ginkgo/v2"
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| 	. "github.com/onsi/gomega"
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| )
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| 
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| func testGitLabProvider(hostname, scope string, opts options.Provider) (*GitLabProvider, error) {
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| 	p, err := NewGitLabProvider(
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| 		&ProviderData{
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| 			ProviderName: "",
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| 			LoginURL:     &url.URL{},
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| 			RedeemURL:    &url.URL{},
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| 			ProfileURL:   &url.URL{},
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| 			ValidateURL:  &url.URL{},
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| 			Scope:        scope},
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| 		opts)
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| 	if err != nil {
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| 		return nil, err
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| 	}
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| 	if hostname != "" {
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| 		updateURL(p.Data().LoginURL, hostname)
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| 		updateURL(p.Data().RedeemURL, hostname)
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| 		updateURL(p.Data().ProfileURL, hostname)
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| 		updateURL(p.Data().ValidateURL, hostname)
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| 	}
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| 
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| 	return p, err
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| }
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| 
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| func testGitLabBackend() *httptest.Server {
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| 	userInfo := `
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| 		{
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| 			"nickname": "FooBar",
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| 			"email": "foo@bar.com",
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| 			"email_verified": false,
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| 			"groups": ["foo", "bar"]
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| 		}
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| 	`
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| 
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| 	projectInfo := `
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| 		{
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| 			"name": "MyProject",
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| 			"archived": false,
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| 			"path_with_namespace": "my_group/my_project",
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| 			"permissions": {
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| 				"project_access": null,
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| 				"group_access": {
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| 					"access_level": 30,
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| 					"notification_level": 3
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| 				}
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| 			}
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| 		}
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| 	`
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| 
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| 	noAccessProjectInfo := `
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| 		{
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| 			"name": "NoAccessProject",
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| 			"archived": false,
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| 			"path_with_namespace": "no_access_group/no_access_project",
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| 			"permissions": {
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| 				"project_access": null,
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| 				"group_access": null,
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| 			}
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| 		}
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| 	`
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| 
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| 	personalProjectInfo := `
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| 		{
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| 			"name": "MyPersonalProject",
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| 			"archived": false,
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| 			"path_with_namespace": "my_profile/my_personal_project",
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| 			"permissions": {
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| 				"project_access": {
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| 					"access_level": 30,
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| 					"notification_level": 3
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| 				},
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| 				"group_access": null
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| 			}
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| 		}
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| 	`
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| 
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| 	archivedProjectInfo := `
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| 		{
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| 			"name": "MyArchivedProject",
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| 			"archived": true,
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| 			"path_with_namespace": "my_group/my_archived_project",
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| 			"permissions": {
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| 				"project_access": {
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| 					"access_level": 30,
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| 					"notification_level": 3
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| 				},
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| 				"group_access": null
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| 			}
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| 		}
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| 	`
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| 
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| 	authHeader := "Bearer gitlab_access_token"
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| 
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| 	return httptest.NewServer(http.HandlerFunc(
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| 		func(w http.ResponseWriter, r *http.Request) {
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| 			switch r.URL.Path {
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| 			case "/oauth/userinfo":
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| 				if r.Header["Authorization"][0] == authHeader {
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| 					w.WriteHeader(200)
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| 					w.Write([]byte(userInfo))
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| 				} else {
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| 					w.WriteHeader(401)
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| 				}
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| 			case "/api/v4/projects/my_group/my_project":
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| 				if r.Header["Authorization"][0] == authHeader {
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| 					w.WriteHeader(200)
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| 					w.Write([]byte(projectInfo))
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| 				} else {
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| 					w.WriteHeader(401)
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| 				}
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| 			case "/api/v4/projects/no_access_group/no_access_project":
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| 				if r.Header["Authorization"][0] == authHeader {
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| 					w.WriteHeader(200)
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| 					w.Write([]byte(noAccessProjectInfo))
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| 				} else {
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| 					w.WriteHeader(401)
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| 				}
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| 			case "/api/v4/projects/my_group/my_archived_project":
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| 				if r.Header["Authorization"][0] == authHeader {
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| 					w.WriteHeader(200)
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| 					w.Write([]byte(archivedProjectInfo))
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| 				} else {
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| 					w.WriteHeader(401)
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| 				}
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| 			case "/api/v4/projects/my_profile/my_personal_project":
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| 				if r.Header["Authorization"][0] == authHeader {
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| 					w.WriteHeader(200)
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| 					w.Write([]byte(personalProjectInfo))
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| 				} else {
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| 					w.WriteHeader(401)
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| 				}
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| 			case "/api/v4/projects/my_group/my_bad_project":
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| 				w.WriteHeader(403)
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| 			default:
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| 				w.WriteHeader(404)
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| 			}
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| 		}))
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| }
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| 
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| var _ = Describe("Gitlab Provider Tests", func() {
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| 	var p *GitLabProvider
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| 	var b *httptest.Server
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| 
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| 	BeforeEach(func() {
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| 		b = testGitLabBackend()
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| 
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| 		bURL, err := url.Parse(b.URL)
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| 		Expect(err).To(BeNil())
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| 
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| 		p, err = testGitLabProvider(bURL.Host, "", options.Provider{})
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| 		Expect(err).ToNot(HaveOccurred())
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| 	})
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| 
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| 	AfterEach(func() {
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| 		b.Close()
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| 	})
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| 
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| 	Context("New Provider Init", func() {
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| 		It("creates new keycloak oidc provider with expected defaults", func() {
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| 			providerData := p.Data()
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| 			Expect(providerData.ProviderName).To(Equal(gitlabProviderName))
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| 			Expect(providerData.Scope).To(Equal(gitlabDefaultScope))
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| 			Expect(providerData.ProviderName).NotTo(Equal(oidcDefaultScope))
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| 		})
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| 	})
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| 
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| 	Context("with bad token", func() {
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| 		It("should trigger an error", func() {
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| 			p.AllowUnverifiedEmail = false
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| 			session := &sessions.SessionState{AccessToken: "unexpected_gitlab_access_token"}
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| 			err := p.EnrichSession(context.Background(), session)
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| 			Expect(err).To(MatchError(errors.New("failed to retrieve user info: error getting user info: unexpected status \"401\": ")))
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| 		})
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| 	})
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| 
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| 	Context("when filtering on email", func() {
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| 		type emailsTableInput struct {
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| 			expectedError        error
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| 			expectedValue        string
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| 			allowUnverifiedEmail bool
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| 		}
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| 
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| 		DescribeTable("should return expected results",
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| 			func(in emailsTableInput) {
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| 				p.AllowUnverifiedEmail = in.allowUnverifiedEmail
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| 				session := &sessions.SessionState{AccessToken: "gitlab_access_token"}
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| 
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| 				err := p.EnrichSession(context.Background(), session)
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| 
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| 				if in.expectedError != nil {
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| 					Expect(err).To(MatchError(in.expectedError))
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| 				} else {
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| 					Expect(err).To(BeNil())
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| 					Expect(session.Email).To(Equal(in.expectedValue))
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| 				}
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| 			},
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| 			Entry("unverified email denied", emailsTableInput{
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| 				expectedError:        errors.New("user email is not verified"),
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| 				allowUnverifiedEmail: false,
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| 			}),
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| 			Entry("unverified email allowed", emailsTableInput{
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| 				expectedError:        nil,
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| 				expectedValue:        "foo@bar.com",
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| 				allowUnverifiedEmail: true,
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| 			}),
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| 		)
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| 	})
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| 
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| 	Context("when filtering on gitlab entities (groups and projects)", func() {
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| 		type entitiesTableInput struct {
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| 			allowedProjects []string
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| 			allowedGroups   []string
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| 			scope           string
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| 			expectedAuthz   bool
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| 			expectedError   error
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| 			expectedGroups  []string
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| 			expectedScope   string
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| 		}
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| 
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| 		DescribeTable("should return expected results",
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| 			func(in entitiesTableInput) {
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| 				bURL, err := url.Parse(b.URL)
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| 				Expect(err).To(BeNil())
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| 
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| 				p, err := testGitLabProvider(bURL.Host, in.scope, options.Provider{
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| 					GitLabConfig: options.GitLabOptions{
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| 						Group:    in.allowedGroups,
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| 						Projects: in.allowedProjects,
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| 					},
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| 				})
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| 				if in.expectedError == nil {
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| 					Expect(err).To(BeNil())
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| 				} else {
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| 					Expect(err).To(MatchError(in.expectedError))
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| 					return
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| 				}
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| 
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| 				p.AllowUnverifiedEmail = true
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| 				session := &sessions.SessionState{AccessToken: "gitlab_access_token"}
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| 
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| 				Expect(p.Scope).To(Equal(in.expectedScope))
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| 
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| 				err = p.EnrichSession(context.Background(), session)
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| 				Expect(err).To(BeNil())
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| 				Expect(session.Groups).To(Equal(in.expectedGroups))
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| 
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| 				authorized, err := p.Authorize(context.Background(), session)
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| 				Expect(err).To(BeNil())
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| 				Expect(authorized).To(Equal(in.expectedAuthz))
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| 			},
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| 			Entry("project membership valid on group project", entitiesTableInput{
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| 				allowedProjects: []string{"my_group/my_project"},
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| 				expectedAuthz:   true,
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| 				expectedGroups:  []string{"foo", "bar", "project:my_group/my_project"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("project membership invalid on group project, insufficient access level level", entitiesTableInput{
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| 				allowedProjects: []string{"my_group/my_project=40"},
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| 				expectedAuthz:   false,
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| 				expectedGroups:  []string{"foo", "bar"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("project membership invalid on group project, no access at all", entitiesTableInput{
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| 				allowedProjects: []string{"no_access_group/no_access_project=30"},
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| 				expectedAuthz:   false,
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| 				expectedGroups:  []string{"foo", "bar"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("project membership valid on personnal project", entitiesTableInput{
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| 				allowedProjects: []string{"my_profile/my_personal_project"},
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| 				scope:           "openid email read_api profile",
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| 				expectedAuthz:   true,
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| 				expectedGroups:  []string{"foo", "bar", "project:my_profile/my_personal_project"},
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| 				expectedScope:   "openid email read_api profile",
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| 			}),
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| 			Entry("project membership invalid on personnal project, insufficient access level", entitiesTableInput{
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| 				allowedProjects: []string{"my_profile/my_personal_project=40"},
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| 				expectedAuthz:   false,
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| 				expectedGroups:  []string{"foo", "bar"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("project membership invalid", entitiesTableInput{
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| 				allowedProjects: []string{"my_group/my_bad_project"},
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| 				expectedAuthz:   false,
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| 				expectedGroups:  []string{"foo", "bar"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("group membership valid", entitiesTableInput{
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| 				allowedGroups:  []string{"foo"},
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| 				expectedGroups: []string{"foo", "bar"},
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| 				expectedAuthz:  true,
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| 				expectedScope:  "openid email",
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| 			}),
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| 			Entry("groups and projects", entitiesTableInput{
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| 				allowedGroups:   []string{"foo", "baz"},
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| 				allowedProjects: []string{"my_group/my_project", "my_profile/my_personal_project"},
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| 				expectedAuthz:   true,
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| 				expectedGroups:  []string{"foo", "bar", "project:my_group/my_project", "project:my_profile/my_personal_project"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("archived projects", entitiesTableInput{
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| 				allowedProjects: []string{"my_group/my_archived_project"},
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| 				expectedAuthz:   false,
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| 				expectedGroups:  []string{"foo", "bar"},
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 			Entry("invalid project format", entitiesTableInput{
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| 				allowedProjects: []string{"my_group/my_invalid_project=123"},
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| 				expectedError:   errors.New("could not configure allowed projects: invalid gitlab project access level specified (my_group/my_invalid_project)"),
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| 				expectedScope:   "openid email read_api",
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| 			}),
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| 		)
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| 	})
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| 
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| 	Context("when refreshing", func() {
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| 		It("keeps the existing nickname after refreshing", func() {
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| 			session := &sessions.SessionState{
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| 				User: "nickname",
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| 			}
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| 			p.oidcRefreshFunc = func(_ context.Context, s *sessions.SessionState) (bool, error) {
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| 				s.User = "subject"
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| 				return true, nil
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| 			}
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| 			refreshed, err := p.RefreshSession(context.Background(), session)
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| 			Expect(refreshed).To(BeTrue())
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| 			Expect(err).ToNot(HaveOccurred())
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| 			Expect(session.User).To(Equal("nickname"))
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| 		})
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| 		It("keeps existing projects after refreshing groups", func() {
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| 			session := &sessions.SessionState{}
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| 			session.Groups = []string{"foo", "bar", "project:thing", "project:sample"}
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| 
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| 			p.oidcRefreshFunc = func(_ context.Context, s *sessions.SessionState) (bool, error) {
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| 				s.Groups = []string{"baz"}
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| 				return true, nil
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| 			}
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| 
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| 			refreshed, err := p.RefreshSession(context.Background(), session)
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| 			Expect(refreshed).To(BeTrue())
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| 			Expect(err).ToNot(HaveOccurred())
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| 			Expect(len(session.Groups)).To(Equal(3))
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| 			Expect(session.Groups).
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| 				To(ContainElements([]string{"baz", "project:thing", "project:sample"}))
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| 		})
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| 		It("leaves existing groups when not refreshed", func() {
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| 			session := &sessions.SessionState{}
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| 			session.Groups = []string{"foo", "bar", "project:thing", "project:sample"}
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| 
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| 			p.oidcRefreshFunc = func(_ context.Context, s *sessions.SessionState) (bool, error) {
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| 				return false, nil
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| 			}
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| 
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| 			refreshed, err := p.RefreshSession(context.Background(), session)
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| 			Expect(refreshed).To(BeFalse())
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| 			Expect(err).ToNot(HaveOccurred())
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| 			Expect(len(session.Groups)).To(Equal(4))
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| 			Expect(session.Groups).
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| 				To(ContainElements([]string{"foo", "bar", "project:thing", "project:sample"}))
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| 		})
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| 		It("leaves existing groups when OIDC refresh errors", func() {
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| 			session := &sessions.SessionState{}
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| 			session.Groups = []string{"foo", "bar", "project:thing", "project:sample"}
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| 
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| 			p.oidcRefreshFunc = func(_ context.Context, s *sessions.SessionState) (bool, error) {
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| 				return false, errors.New("failure")
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| 			}
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| 
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| 			refreshed, err := p.RefreshSession(context.Background(), session)
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| 			Expect(refreshed).To(BeFalse())
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| 			Expect(err).To(HaveOccurred())
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| 			Expect(len(session.Groups)).To(Equal(4))
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| 			Expect(session.Groups).
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| 				To(ContainElements([]string{"foo", "bar", "project:thing", "project:sample"}))
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| 		})
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| 	})
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| })
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