873 lines
36 KiB
Go
873 lines
36 KiB
Go
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package callback
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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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"regexp"
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"strings"
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"testing"
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"time"
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"github.com/gorilla/securecookie"
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"github.com/ory/fosite"
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"github.com/ory/fosite/handler/openid"
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"github.com/stretchr/testify/require"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/client-go/kubernetes/fake"
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"go.pinniped.dev/internal/crud"
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"go.pinniped.dev/internal/fositestorage/authorizationcode"
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"go.pinniped.dev/internal/fositestorage/openidconnect"
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"go.pinniped.dev/internal/fositestorage/pkce"
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"go.pinniped.dev/internal/oidc"
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"go.pinniped.dev/internal/oidc/jwks"
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"go.pinniped.dev/internal/oidc/oidctestutil"
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"go.pinniped.dev/internal/testutil"
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"go.pinniped.dev/pkg/oidcclient/nonce"
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"go.pinniped.dev/pkg/oidcclient/oidctypes"
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oidcpkce "go.pinniped.dev/pkg/oidcclient/pkce"
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)
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const (
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happyUpstreamIDPName = "upstream-idp-name"
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upstreamIssuer = "https://my-upstream-issuer.com"
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upstreamSubject = "abc123-some-guid"
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upstreamUsername = "test-pinniped-username"
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upstreamUsernameClaim = "the-user-claim"
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upstreamGroupsClaim = "the-groups-claim"
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happyUpstreamAuthcode = "upstream-auth-code"
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happyUpstreamRedirectURI = "https://example.com/callback"
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happyDownstreamState = "some-downstream-state-with-at-least-32-bytes"
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happyDownstreamCSRF = "test-csrf"
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happyDownstreamPKCE = "test-pkce"
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happyDownstreamNonce = "test-nonce"
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happyDownstreamStateVersion = "1"
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downstreamIssuer = "https://my-downstream-issuer.com/path"
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downstreamRedirectURI = "http://127.0.0.1/callback"
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downstreamClientID = "pinniped-cli"
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downstreamNonce = "some-nonce-value"
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downstreamPKCEChallenge = "some-challenge"
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downstreamPKCEChallengeMethod = "S256"
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timeComparisonFudgeFactor = time.Second * 15
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)
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var (
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upstreamGroupMembership = []string{"test-pinniped-group-0", "test-pinniped-group-1"}
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happyDownstreamScopesRequested = []string{"openid"}
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happyDownstreamScopesGranted = []string{"openid"}
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happyDownstreamRequestParamsQuery = url.Values{
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"response_type": []string{"code"},
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"scope": []string{strings.Join(happyDownstreamScopesRequested, " ")},
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"client_id": []string{downstreamClientID},
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"state": []string{happyDownstreamState},
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"nonce": []string{downstreamNonce},
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"code_challenge": []string{downstreamPKCEChallenge},
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"code_challenge_method": []string{downstreamPKCEChallengeMethod},
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"redirect_uri": []string{downstreamRedirectURI},
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}
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happyDownstreamRequestParams = happyDownstreamRequestParamsQuery.Encode()
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)
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func TestCallbackEndpoint(t *testing.T) {
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otherUpstreamOIDCIdentityProvider := oidctestutil.TestUpstreamOIDCIdentityProvider{
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Name: "other-upstream-idp-name",
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ClientID: "other-some-client-id",
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Scopes: []string{"other-scope1", "other-scope2"},
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}
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var stateEncoderHashKey = []byte("fake-hash-secret")
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var stateEncoderBlockKey = []byte("0123456789ABCDEF") // block encryption requires 16/24/32 bytes for AES
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var cookieEncoderHashKey = []byte("fake-hash-secret2")
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var cookieEncoderBlockKey = []byte("0123456789ABCDE2") // block encryption requires 16/24/32 bytes for AES
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require.NotEqual(t, stateEncoderHashKey, cookieEncoderHashKey)
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require.NotEqual(t, stateEncoderBlockKey, cookieEncoderBlockKey)
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var happyStateCodec = securecookie.New(stateEncoderHashKey, stateEncoderBlockKey)
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happyStateCodec.SetSerializer(securecookie.JSONEncoder{})
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var happyCookieCodec = securecookie.New(cookieEncoderHashKey, cookieEncoderBlockKey)
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happyCookieCodec.SetSerializer(securecookie.JSONEncoder{})
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happyState := happyUpstreamStateParam().Build(t, happyStateCodec)
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encodedIncomingCookieCSRFValue, err := happyCookieCodec.Encode("csrf", happyDownstreamCSRF)
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require.NoError(t, err)
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happyCSRFCookie := "__Host-pinniped-csrf=" + encodedIncomingCookieCSRFValue
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happyExchangeAndValidateTokensArgs := &oidctestutil.ExchangeAuthcodeAndValidateTokenArgs{
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Authcode: happyUpstreamAuthcode,
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PKCECodeVerifier: oidcpkce.Code(happyDownstreamPKCE),
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ExpectedIDTokenNonce: nonce.Nonce(happyDownstreamNonce),
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RedirectURI: happyUpstreamRedirectURI,
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}
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// Note that fosite puts the granted scopes as a param in the redirect URI even though the spec doesn't seem to require it
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happyDownstreamRedirectLocationRegexp := downstreamRedirectURI + `\?code=([^&]+)&scope=openid&state=` + happyDownstreamState
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tests := []struct {
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name string
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idp oidctestutil.TestUpstreamOIDCIdentityProvider
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method string
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path string
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csrfCookie string
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wantStatus int
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wantBody string
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wantRedirectLocationRegexp string
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wantDownstreamGrantedScopes []string
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wantDownstreamIDTokenSubject string
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wantDownstreamIDTokenGroups []string
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wantDownstreamRequestedScopes []string
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wantDownstreamNonce string
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wantDownstreamPKCEChallenge string
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wantDownstreamPKCEChallengeMethod string
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wantExchangeAndValidateTokensCall *oidctestutil.ExchangeAuthcodeAndValidateTokenArgs
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}{
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{
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name: "GET with good state and cookie and successful upstream token exchange returns 302 to downstream client callback with its state and code",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
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wantBody: "",
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wantDownstreamIDTokenSubject: upstreamUsername,
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
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wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP provides no username or group claim configuration, so we use default username claim and skip groups",
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idp: happyUpstream().WithoutUsernameClaim().WithoutGroupsClaim().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
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wantBody: "",
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wantDownstreamIDTokenSubject: upstreamIssuer + "?sub=" + upstreamSubject,
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wantDownstreamIDTokenGroups: nil,
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wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
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wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP provides username claim configuration as `sub`, so the downstream token subject should be exactly what they asked for",
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idp: happyUpstream().WithUsernameClaim("sub").Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
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wantBody: "",
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wantDownstreamIDTokenSubject: upstreamSubject,
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
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wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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// Pre-upstream-exchange verification
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{
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name: "PUT method is invalid",
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method: http.MethodPut,
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path: newRequestPath().String(),
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wantStatus: http.StatusMethodNotAllowed,
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wantBody: "Method Not Allowed: PUT (try GET)\n",
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},
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{
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name: "POST method is invalid",
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method: http.MethodPost,
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path: newRequestPath().String(),
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wantStatus: http.StatusMethodNotAllowed,
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wantBody: "Method Not Allowed: POST (try GET)\n",
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},
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{
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name: "PATCH method is invalid",
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method: http.MethodPatch,
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path: newRequestPath().String(),
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wantStatus: http.StatusMethodNotAllowed,
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wantBody: "Method Not Allowed: PATCH (try GET)\n",
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},
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{
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name: "DELETE method is invalid",
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method: http.MethodDelete,
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path: newRequestPath().String(),
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wantStatus: http.StatusMethodNotAllowed,
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wantBody: "Method Not Allowed: DELETE (try GET)\n",
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},
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{
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name: "code param was not included on request",
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).WithoutCode().String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusBadRequest,
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wantBody: "Bad Request: code param not found\n",
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},
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{
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name: "state param was not included on request",
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method: http.MethodGet,
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path: newRequestPath().WithoutState().String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusBadRequest,
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wantBody: "Bad Request: state param not found\n",
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},
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{
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name: "state param was not signed correctly, has expired, or otherwise cannot be decoded for any reason",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState("this-will-not-decode").String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusBadRequest,
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wantBody: "Bad Request: error reading state\n",
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},
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{
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// This shouldn't happen in practice because the authorize endpoint should have already run the same
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// validations, but we would like to test the error handling in this endpoint anyway.
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name: "state param contains authorization request params which fail validation",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(
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happyUpstreamStateParam().
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WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"prompt": "none login"}).Encode()).
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Build(t, happyStateCodec),
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).String(),
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csrfCookie: happyCSRFCookie,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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wantStatus: http.StatusInternalServerError,
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wantBody: "Internal Server Error: error while generating and saving authcode\n",
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},
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{
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name: "state's internal version does not match what we want",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyUpstreamStateParam().WithStateVersion("wrong-state-version").Build(t, happyStateCodec)).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: state format version is invalid\n",
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},
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{
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name: "state's downstream auth params element is invalid",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyUpstreamStateParam().
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WithAuthorizeRequestParams("the following is an invalid url encoding token, and therefore this is an invalid param: %z").
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Build(t, happyStateCodec)).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusBadRequest,
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wantBody: "Bad Request: error reading state downstream auth params\n",
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},
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{
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name: "state's downstream auth params are missing required value (e.g., client_id)",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(
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happyUpstreamStateParam().
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WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"client_id": ""}).Encode()).
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Build(t, happyStateCodec),
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).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusBadRequest,
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wantBody: "Bad Request: error using state downstream auth params\n",
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},
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{
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name: "state's downstream auth params does not contain openid scope",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().
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WithState(
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happyUpstreamStateParam().
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WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"scope": "profile email"}).Encode()).
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Build(t, happyStateCodec),
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).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: downstreamRedirectURI + `\?code=([^&]+)&scope=&state=` + happyDownstreamState,
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wantDownstreamIDTokenSubject: upstreamUsername,
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wantDownstreamRequestedScopes: []string{"profile", "email"},
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "state's downstream auth params also included offline_access scope",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().
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WithState(
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happyUpstreamStateParam().
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WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"scope": "openid offline_access"}).Encode()).
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Build(t, happyStateCodec),
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).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: downstreamRedirectURI + `\?code=([^&]+)&scope=openid%20offline_access&state=` + happyDownstreamState,
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wantDownstreamIDTokenSubject: upstreamUsername,
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wantDownstreamRequestedScopes: []string{"openid", "offline_access"},
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wantDownstreamGrantedScopes: []string{"openid", "offline_access"},
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "the UpstreamOIDCProvider CRD has been deleted",
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idp: otherUpstreamOIDCIdentityProvider,
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: upstream provider not found\n",
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},
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{
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name: "the CSRF cookie does not exist on request",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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wantStatus: http.StatusForbidden,
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wantBody: "Forbidden: CSRF cookie is missing\n",
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},
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{
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name: "cookie was not signed correctly, has expired, or otherwise cannot be decoded for any reason",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: "__Host-pinniped-csrf=this-value-was-not-signed-by-pinniped",
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wantStatus: http.StatusForbidden,
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wantBody: "Forbidden: error reading CSRF cookie\n",
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},
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{
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name: "cookie csrf value does not match state csrf value",
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idp: happyUpstream().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyUpstreamStateParam().WithCSRF("wrong-csrf-value").Build(t, happyStateCodec)).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusForbidden,
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wantBody: "Forbidden: CSRF value does not match\n",
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},
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// Upstream exchange
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{
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name: "upstream auth code exchange fails",
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idp: happyUpstream().WithoutUpstreamAuthcodeExchangeError(errors.New("some error")).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusBadGateway,
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wantBody: "Bad Gateway: error exchanging and validating upstream tokens\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream ID token does not contain requested username claim",
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idp: happyUpstream().WithoutIDTokenClaim(upstreamUsernameClaim).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: no username claim in upstream ID token\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream ID token does not contain requested groups claim",
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idp: happyUpstream().WithoutIDTokenClaim(upstreamGroupsClaim).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: no groups claim in upstream ID token\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream ID token contains username claim with weird format",
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idp: happyUpstream().WithIDTokenClaim(upstreamUsernameClaim, 42).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: username claim in upstream ID token has invalid format\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream ID token does not contain iss claim when using default username claim config",
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idp: happyUpstream().WithIDTokenClaim("iss", "").WithoutUsernameClaim().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: issuer claim in upstream ID token missing\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream ID token has an non-string iss claim when using default username claim config",
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idp: happyUpstream().WithIDTokenClaim("iss", 42).WithoutUsernameClaim().Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: issuer claim in upstream ID token has invalid format\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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|
name: "upstream ID token contains groups claim with weird format",
|
|
idp: happyUpstream().WithIDTokenClaim(upstreamGroupsClaim, 42).Build(),
|
|
method: http.MethodGet,
|
|
path: newRequestPath().WithState(happyState).String(),
|
|
csrfCookie: happyCSRFCookie,
|
|
wantStatus: http.StatusUnprocessableEntity,
|
|
wantBody: "Unprocessable Entity: groups claim in upstream ID token has invalid format\n",
|
|
wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
test := test
|
|
|
|
t.Run(test.name, func(t *testing.T) {
|
|
client := fake.NewSimpleClientset()
|
|
secrets := client.CoreV1().Secrets("some-namespace")
|
|
|
|
// Configure fosite the same way that the production code would.
|
|
// Inject this into our test subject at the last second so we get a fresh storage for every test.
|
|
oauthStore := oidc.NewKubeStorage(secrets)
|
|
hmacSecret := []byte("some secret - must have at least 32 bytes")
|
|
require.GreaterOrEqual(t, len(hmacSecret), 32, "fosite requires that hmac secrets have at least 32 bytes")
|
|
jwksProviderIsUnused := jwks.NewDynamicJWKSProvider()
|
|
oauthHelper := oidc.FositeOauth2Helper(oauthStore, downstreamIssuer, hmacSecret, jwksProviderIsUnused)
|
|
|
|
idpListGetter := oidctestutil.NewIDPListGetter(&test.idp)
|
|
subject := NewHandler(idpListGetter, oauthHelper, happyStateCodec, happyCookieCodec, happyUpstreamRedirectURI)
|
|
req := httptest.NewRequest(test.method, test.path, nil)
|
|
if test.csrfCookie != "" {
|
|
req.Header.Set("Cookie", test.csrfCookie)
|
|
}
|
|
rsp := httptest.NewRecorder()
|
|
subject.ServeHTTP(rsp, req)
|
|
t.Logf("response: %#v", rsp)
|
|
t.Logf("response body: %q", rsp.Body.String())
|
|
|
|
if test.wantExchangeAndValidateTokensCall != nil {
|
|
require.Equal(t, 1, test.idp.ExchangeAuthcodeAndValidateTokensCallCount())
|
|
test.wantExchangeAndValidateTokensCall.Ctx = req.Context()
|
|
require.Equal(t, test.wantExchangeAndValidateTokensCall, test.idp.ExchangeAuthcodeAndValidateTokensArgs(0))
|
|
} else {
|
|
require.Equal(t, 0, test.idp.ExchangeAuthcodeAndValidateTokensCallCount())
|
|
}
|
|
|
|
require.Equal(t, test.wantStatus, rsp.Code)
|
|
|
|
if test.wantBody != "" {
|
|
require.Equal(t, test.wantBody, rsp.Body.String())
|
|
} else {
|
|
require.Empty(t, rsp.Body.String())
|
|
}
|
|
|
|
if test.wantRedirectLocationRegexp != "" { //nolint:nestif // don't mind have several sequential if statements in this test
|
|
// Assert that Location header matches regular expression.
|
|
require.Len(t, rsp.Header().Values("Location"), 1)
|
|
actualLocation := rsp.Header().Get("Location")
|
|
regex := regexp.MustCompile(test.wantRedirectLocationRegexp)
|
|
submatches := regex.FindStringSubmatch(actualLocation)
|
|
require.Lenf(t, submatches, 2, "no regexp match in actualLocation: %q", actualLocation)
|
|
capturedAuthCode := submatches[1]
|
|
|
|
// fosite authcodes are in the format `data.signature`, so grab the signature part, which is the lookup key in the storage interface
|
|
authcodeDataAndSignature := strings.Split(capturedAuthCode, ".")
|
|
require.Len(t, authcodeDataAndSignature, 2)
|
|
|
|
// Several Secrets should have been created
|
|
expectedNumberOfCreatedSecrets := 2
|
|
if includesOpenIDScope(test.wantDownstreamGrantedScopes) {
|
|
expectedNumberOfCreatedSecrets++
|
|
}
|
|
require.Len(t, client.Actions(), expectedNumberOfCreatedSecrets)
|
|
|
|
// One authcode should have been stored.
|
|
testutil.RequireNumberOfSecretsMatchingLabelSelector(t, secrets, labels.Set{crud.SecretLabelKey: authorizationcode.TypeLabelValue}, 1)
|
|
|
|
storedRequestFromAuthcode, storedSessionFromAuthcode := validateAuthcodeStorage(
|
|
t,
|
|
oauthStore,
|
|
authcodeDataAndSignature[1], // Authcode store key is authcode signature
|
|
test.wantDownstreamGrantedScopes,
|
|
test.wantDownstreamIDTokenSubject,
|
|
test.wantDownstreamIDTokenGroups,
|
|
test.wantDownstreamRequestedScopes,
|
|
)
|
|
|
|
// One PKCE should have been stored.
|
|
testutil.RequireNumberOfSecretsMatchingLabelSelector(t, secrets, labels.Set{crud.SecretLabelKey: pkce.TypeLabelValue}, 1)
|
|
|
|
validatePKCEStorage(
|
|
t,
|
|
oauthStore,
|
|
authcodeDataAndSignature[1], // PKCE store key is authcode signature
|
|
storedRequestFromAuthcode,
|
|
storedSessionFromAuthcode,
|
|
test.wantDownstreamPKCEChallenge,
|
|
test.wantDownstreamPKCEChallengeMethod,
|
|
)
|
|
|
|
// One IDSession should have been stored, if the downstream actually requested the "openid" scope
|
|
if includesOpenIDScope(test.wantDownstreamGrantedScopes) {
|
|
testutil.RequireNumberOfSecretsMatchingLabelSelector(t, secrets, labels.Set{crud.SecretLabelKey: openidconnect.TypeLabelValue}, 1)
|
|
|
|
validateIDSessionStorage(
|
|
t,
|
|
oauthStore,
|
|
capturedAuthCode, // IDSession store key is full authcode
|
|
storedRequestFromAuthcode,
|
|
storedSessionFromAuthcode,
|
|
test.wantDownstreamNonce,
|
|
)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func includesOpenIDScope(scopes []string) bool {
|
|
for _, scope := range scopes {
|
|
if scope == "openid" {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
type requestPath struct {
|
|
code, state *string
|
|
}
|
|
|
|
func newRequestPath() *requestPath {
|
|
c := happyUpstreamAuthcode
|
|
s := "4321"
|
|
return &requestPath{
|
|
code: &c,
|
|
state: &s,
|
|
}
|
|
}
|
|
|
|
func (r *requestPath) WithCode(code string) *requestPath {
|
|
r.code = &code
|
|
return r
|
|
}
|
|
|
|
func (r *requestPath) WithoutCode() *requestPath {
|
|
r.code = nil
|
|
return r
|
|
}
|
|
|
|
func (r *requestPath) WithState(state string) *requestPath {
|
|
r.state = &state
|
|
return r
|
|
}
|
|
|
|
func (r *requestPath) WithoutState() *requestPath {
|
|
r.state = nil
|
|
return r
|
|
}
|
|
|
|
func (r *requestPath) String() string {
|
|
path := "/downstream-provider-name/callback?"
|
|
params := url.Values{}
|
|
if r.code != nil {
|
|
params.Add("code", *r.code)
|
|
}
|
|
if r.state != nil {
|
|
params.Add("state", *r.state)
|
|
}
|
|
return path + params.Encode()
|
|
}
|
|
|
|
type upstreamStateParamBuilder oidctestutil.ExpectedUpstreamStateParamFormat
|
|
|
|
func happyUpstreamStateParam() *upstreamStateParamBuilder {
|
|
return &upstreamStateParamBuilder{
|
|
U: happyUpstreamIDPName,
|
|
P: happyDownstreamRequestParams,
|
|
N: happyDownstreamNonce,
|
|
C: happyDownstreamCSRF,
|
|
K: happyDownstreamPKCE,
|
|
V: happyDownstreamStateVersion,
|
|
}
|
|
}
|
|
|
|
func (b upstreamStateParamBuilder) Build(t *testing.T, stateEncoder *securecookie.SecureCookie) string {
|
|
state, err := stateEncoder.Encode("s", b)
|
|
require.NoError(t, err)
|
|
return state
|
|
}
|
|
|
|
func (b *upstreamStateParamBuilder) WithAuthorizeRequestParams(params string) *upstreamStateParamBuilder {
|
|
b.P = params
|
|
return b
|
|
}
|
|
|
|
func (b *upstreamStateParamBuilder) WithNonce(nonce string) *upstreamStateParamBuilder {
|
|
b.N = nonce
|
|
return b
|
|
}
|
|
|
|
func (b *upstreamStateParamBuilder) WithCSRF(csrf string) *upstreamStateParamBuilder {
|
|
b.C = csrf
|
|
return b
|
|
}
|
|
|
|
func (b *upstreamStateParamBuilder) WithPKCVE(pkce string) *upstreamStateParamBuilder {
|
|
b.K = pkce
|
|
return b
|
|
}
|
|
|
|
func (b *upstreamStateParamBuilder) WithStateVersion(version string) *upstreamStateParamBuilder {
|
|
b.V = version
|
|
return b
|
|
}
|
|
|
|
type upstreamOIDCIdentityProviderBuilder struct {
|
|
idToken map[string]interface{}
|
|
usernameClaim, groupsClaim string
|
|
authcodeExchangeErr error
|
|
}
|
|
|
|
func happyUpstream() *upstreamOIDCIdentityProviderBuilder {
|
|
return &upstreamOIDCIdentityProviderBuilder{
|
|
usernameClaim: upstreamUsernameClaim,
|
|
groupsClaim: upstreamGroupsClaim,
|
|
idToken: map[string]interface{}{
|
|
"iss": upstreamIssuer,
|
|
"sub": upstreamSubject,
|
|
upstreamUsernameClaim: upstreamUsername,
|
|
upstreamGroupsClaim: upstreamGroupMembership,
|
|
"other-claim": "should be ignored",
|
|
},
|
|
}
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) WithUsernameClaim(claim string) *upstreamOIDCIdentityProviderBuilder {
|
|
u.usernameClaim = claim
|
|
return u
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) WithoutUsernameClaim() *upstreamOIDCIdentityProviderBuilder {
|
|
u.usernameClaim = ""
|
|
return u
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) WithoutGroupsClaim() *upstreamOIDCIdentityProviderBuilder {
|
|
u.groupsClaim = ""
|
|
return u
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) WithIDTokenClaim(name string, value interface{}) *upstreamOIDCIdentityProviderBuilder {
|
|
u.idToken[name] = value
|
|
return u
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) WithoutIDTokenClaim(claim string) *upstreamOIDCIdentityProviderBuilder {
|
|
delete(u.idToken, claim)
|
|
return u
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) WithoutUpstreamAuthcodeExchangeError(err error) *upstreamOIDCIdentityProviderBuilder {
|
|
u.authcodeExchangeErr = err
|
|
return u
|
|
}
|
|
|
|
func (u *upstreamOIDCIdentityProviderBuilder) Build() oidctestutil.TestUpstreamOIDCIdentityProvider {
|
|
return oidctestutil.TestUpstreamOIDCIdentityProvider{
|
|
Name: happyUpstreamIDPName,
|
|
ClientID: "some-client-id",
|
|
UsernameClaim: u.usernameClaim,
|
|
GroupsClaim: u.groupsClaim,
|
|
Scopes: []string{"scope1", "scope2"},
|
|
ExchangeAuthcodeAndValidateTokensFunc: func(ctx context.Context, authcode string, pkceCodeVerifier oidcpkce.Code, expectedIDTokenNonce nonce.Nonce) (*oidctypes.Token, error) {
|
|
if u.authcodeExchangeErr != nil {
|
|
return nil, u.authcodeExchangeErr
|
|
}
|
|
return &oidctypes.Token{IDToken: &oidctypes.IDToken{Claims: u.idToken}}, nil
|
|
},
|
|
}
|
|
}
|
|
|
|
func shallowCopyAndModifyQuery(query url.Values, modifications map[string]string) url.Values {
|
|
copied := url.Values{}
|
|
for key, value := range query {
|
|
copied[key] = value
|
|
}
|
|
for key, value := range modifications {
|
|
if value == "" {
|
|
copied.Del(key)
|
|
} else {
|
|
copied[key] = []string{value}
|
|
}
|
|
}
|
|
return copied
|
|
}
|
|
|
|
func validateAuthcodeStorage(
|
|
t *testing.T,
|
|
oauthStore *oidc.KubeStorage,
|
|
storeKey string,
|
|
wantDownstreamGrantedScopes []string,
|
|
wantDownstreamIDTokenSubject string,
|
|
wantDownstreamIDTokenGroups []string,
|
|
wantDownstreamRequestedScopes []string,
|
|
) (*fosite.Request, *openid.DefaultSession) {
|
|
t.Helper()
|
|
|
|
// Get the authcode session back from storage so we can require that it was stored correctly.
|
|
storedAuthorizeRequestFromAuthcode, err := oauthStore.GetAuthorizeCodeSession(context.Background(), storeKey, nil)
|
|
require.NoError(t, err)
|
|
|
|
// Check that storage returned the expected concrete data types.
|
|
storedRequestFromAuthcode, storedSessionFromAuthcode := castStoredAuthorizeRequest(t, storedAuthorizeRequestFromAuthcode)
|
|
|
|
// Check which scopes were granted.
|
|
require.ElementsMatch(t, wantDownstreamGrantedScopes, storedRequestFromAuthcode.GetGrantedScopes())
|
|
|
|
// Check all the other fields of the stored request.
|
|
require.NotEmpty(t, storedRequestFromAuthcode.ID)
|
|
require.Equal(t, downstreamClientID, storedRequestFromAuthcode.Client.GetID())
|
|
require.ElementsMatch(t, wantDownstreamRequestedScopes, storedRequestFromAuthcode.RequestedScope)
|
|
require.Nil(t, storedRequestFromAuthcode.RequestedAudience)
|
|
require.Empty(t, storedRequestFromAuthcode.GrantedAudience)
|
|
require.Equal(t, url.Values{"redirect_uri": []string{downstreamRedirectURI}}, storedRequestFromAuthcode.Form)
|
|
testutil.RequireTimeInDelta(t, time.Now(), storedRequestFromAuthcode.RequestedAt, timeComparisonFudgeFactor)
|
|
|
|
// We're not using these fields yet, so confirm that we did not set them (for now).
|
|
require.Empty(t, storedSessionFromAuthcode.Subject)
|
|
require.Empty(t, storedSessionFromAuthcode.Username)
|
|
require.Empty(t, storedSessionFromAuthcode.Headers)
|
|
|
|
// The authcode that we are issuing should be good for the length of time that we declare in the fosite config.
|
|
testutil.RequireTimeInDelta(t, time.Now().Add(time.Minute*3), storedSessionFromAuthcode.ExpiresAt[fosite.AuthorizeCode], timeComparisonFudgeFactor)
|
|
require.Len(t, storedSessionFromAuthcode.ExpiresAt, 1)
|
|
|
|
// Now confirm the ID token claims.
|
|
actualClaims := storedSessionFromAuthcode.Claims
|
|
|
|
// Check the user's identity, which are put into the downstream ID token's subject and groups claims.
|
|
require.Equal(t, wantDownstreamIDTokenSubject, actualClaims.Subject)
|
|
if wantDownstreamIDTokenGroups != nil {
|
|
require.Len(t, actualClaims.Extra, 1)
|
|
require.ElementsMatch(t, wantDownstreamIDTokenGroups, actualClaims.Extra["groups"])
|
|
} else {
|
|
require.Empty(t, actualClaims.Extra)
|
|
require.NotContains(t, actualClaims.Extra, "groups")
|
|
}
|
|
|
|
// Check the rest of the downstream ID token's claims. Fosite wants us to set these (in UTC time).
|
|
testutil.RequireTimeInDelta(t, time.Now().UTC(), actualClaims.RequestedAt, timeComparisonFudgeFactor)
|
|
testutil.RequireTimeInDelta(t, time.Now().UTC(), actualClaims.AuthTime, timeComparisonFudgeFactor)
|
|
requestedAtZone, _ := actualClaims.RequestedAt.Zone()
|
|
require.Equal(t, "UTC", requestedAtZone)
|
|
authTimeZone, _ := actualClaims.AuthTime.Zone()
|
|
require.Equal(t, "UTC", authTimeZone)
|
|
|
|
// Fosite will set these fields for us in the token endpoint based on the store session
|
|
// information. Therefore, we assert that they are empty because we want the library to do the
|
|
// lifting for us.
|
|
require.Empty(t, actualClaims.Issuer)
|
|
require.Nil(t, actualClaims.Audience)
|
|
require.Empty(t, actualClaims.Nonce)
|
|
require.Zero(t, actualClaims.ExpiresAt)
|
|
require.Zero(t, actualClaims.IssuedAt)
|
|
|
|
// These are not needed yet.
|
|
require.Empty(t, actualClaims.JTI)
|
|
require.Empty(t, actualClaims.CodeHash)
|
|
require.Empty(t, actualClaims.AccessTokenHash)
|
|
require.Empty(t, actualClaims.AuthenticationContextClassReference)
|
|
require.Empty(t, actualClaims.AuthenticationMethodsReference)
|
|
|
|
return storedRequestFromAuthcode, storedSessionFromAuthcode
|
|
}
|
|
|
|
func validatePKCEStorage(
|
|
t *testing.T,
|
|
oauthStore *oidc.KubeStorage,
|
|
storeKey string,
|
|
storedRequestFromAuthcode *fosite.Request,
|
|
storedSessionFromAuthcode *openid.DefaultSession,
|
|
wantDownstreamPKCEChallenge, wantDownstreamPKCEChallengeMethod string,
|
|
) {
|
|
t.Helper()
|
|
|
|
storedAuthorizeRequestFromPKCE, err := oauthStore.GetPKCERequestSession(context.Background(), storeKey, nil)
|
|
require.NoError(t, err)
|
|
|
|
// Check that storage returned the expected concrete data types.
|
|
storedRequestFromPKCE, storedSessionFromPKCE := castStoredAuthorizeRequest(t, storedAuthorizeRequestFromPKCE)
|
|
|
|
// The stored PKCE request should be the same as the stored authcode request.
|
|
require.Equal(t, storedRequestFromAuthcode.ID, storedRequestFromPKCE.ID)
|
|
require.Equal(t, storedSessionFromAuthcode, storedSessionFromPKCE)
|
|
|
|
// The stored PKCE request should also contain the PKCE challenge that the downstream sent us.
|
|
require.Equal(t, wantDownstreamPKCEChallenge, storedRequestFromPKCE.Form.Get("code_challenge"))
|
|
require.Equal(t, wantDownstreamPKCEChallengeMethod, storedRequestFromPKCE.Form.Get("code_challenge_method"))
|
|
}
|
|
|
|
func validateIDSessionStorage(
|
|
t *testing.T,
|
|
oauthStore *oidc.KubeStorage,
|
|
storeKey string,
|
|
storedRequestFromAuthcode *fosite.Request,
|
|
storedSessionFromAuthcode *openid.DefaultSession,
|
|
wantDownstreamNonce string,
|
|
) {
|
|
t.Helper()
|
|
|
|
storedAuthorizeRequestFromIDSession, err := oauthStore.GetOpenIDConnectSession(context.Background(), storeKey, nil)
|
|
require.NoError(t, err)
|
|
|
|
// Check that storage returned the expected concrete data types.
|
|
storedRequestFromIDSession, storedSessionFromIDSession := castStoredAuthorizeRequest(t, storedAuthorizeRequestFromIDSession)
|
|
|
|
// The stored IDSession request should be the same as the stored authcode request.
|
|
require.Equal(t, storedRequestFromAuthcode.ID, storedRequestFromIDSession.ID)
|
|
require.Equal(t, storedSessionFromAuthcode, storedSessionFromIDSession)
|
|
|
|
// The stored IDSession request should also contain the nonce that the downstream sent us.
|
|
require.Equal(t, wantDownstreamNonce, storedRequestFromIDSession.Form.Get("nonce"))
|
|
}
|
|
|
|
func castStoredAuthorizeRequest(t *testing.T, storedAuthorizeRequest fosite.Requester) (*fosite.Request, *openid.DefaultSession) {
|
|
t.Helper()
|
|
|
|
storedRequest, ok := storedAuthorizeRequest.(*fosite.Request)
|
|
require.Truef(t, ok, "could not cast %T to %T", storedAuthorizeRequest, &fosite.Request{})
|
|
storedSession, ok := storedAuthorizeRequest.GetSession().(*openid.DefaultSession)
|
|
require.Truef(t, ok, "could not cast %T to %T", storedAuthorizeRequest.GetSession(), &openid.DefaultSession{})
|
|
|
|
return storedRequest, storedSession
|
|
}
|