// Copyright 2020-2022 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package callback
import (
"context"
"errors"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"testing"
"time"
"github.com/gorilla/securecookie"
"github.com/stretchr/testify/require"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes/fake"
"go.pinniped.dev/internal/oidc"
"go.pinniped.dev/internal/oidc/jwks"
"go.pinniped.dev/internal/psession"
"go.pinniped.dev/internal/testutil"
"go.pinniped.dev/internal/testutil/oidctestutil"
"go.pinniped.dev/pkg/oidcclient/nonce"
oidcpkce "go.pinniped.dev/pkg/oidcclient/pkce"
)
const (
happyUpstreamIDPName = "upstream-idp-name"
happyUpstreamIDPResourceUID = "upstream-uid"
oidcUpstreamIssuer = "https://my-upstream-issuer.com"
oidcUpstreamRefreshToken = "test-refresh-token"
oidcUpstreamAccessToken = "test-access-token"
oidcUpstreamSubject = "abc123-some guid" // has a space character which should get escaped in URL
oidcUpstreamSubjectQueryEscaped = "abc123-some+guid"
oidcUpstreamUsername = "test-pinniped-username"
oidcUpstreamUsernameClaim = "the-user-claim"
oidcUpstreamGroupsClaim = "the-groups-claim"
happyUpstreamAuthcode = "upstream-auth-code"
happyUpstreamRedirectURI = "https://example.com/callback"
happyDownstreamState = "8b-state"
happyDownstreamCSRF = "test-csrf"
happyDownstreamPKCE = "test-pkce"
happyDownstreamNonce = "test-nonce"
happyDownstreamStateVersion = "1"
downstreamIssuer = "https://my-downstream-issuer.com/path"
downstreamRedirectURI = "http://127.0.0.1/callback"
downstreamClientID = "pinniped-cli"
downstreamNonce = "some-nonce-value"
downstreamPKCEChallenge = "some-challenge"
downstreamPKCEChallengeMethod = "S256"
htmlContentType = "text/html; charset=utf-8"
)
var (
oidcUpstreamGroupMembership = []string{"test-pinniped-group-0", "test-pinniped-group-1"}
happyDownstreamScopesRequested = []string{"openid"}
happyDownstreamScopesGranted = []string{"openid"}
happyDownstreamRequestParamsQuery = url.Values{
"response_type": []string{"code"},
"scope": []string{strings.Join(happyDownstreamScopesRequested, " ")},
"client_id": []string{downstreamClientID},
"state": []string{happyDownstreamState},
"nonce": []string{downstreamNonce},
"code_challenge": []string{downstreamPKCEChallenge},
"code_challenge_method": []string{downstreamPKCEChallengeMethod},
"redirect_uri": []string{downstreamRedirectURI},
}
happyDownstreamRequestParams = happyDownstreamRequestParamsQuery.Encode()
happyDownstreamCustomSessionData = &psession.CustomSessionData{
ProviderUID: happyUpstreamIDPResourceUID,
ProviderName: happyUpstreamIDPName,
ProviderType: psession.ProviderTypeOIDC,
OIDC: &psession.OIDCSessionData{
UpstreamRefreshToken: oidcUpstreamRefreshToken,
UpstreamIssuer: oidcUpstreamIssuer,
UpstreamSubject: oidcUpstreamSubject,
},
}
happyDownstreamAccessTokenCustomSessionData = &psession.CustomSessionData{
ProviderUID: happyUpstreamIDPResourceUID,
ProviderName: happyUpstreamIDPName,
ProviderType: psession.ProviderTypeOIDC,
OIDC: &psession.OIDCSessionData{
UpstreamAccessToken: oidcUpstreamAccessToken,
UpstreamIssuer: oidcUpstreamIssuer,
UpstreamSubject: oidcUpstreamSubject,
},
}
)
func TestCallbackEndpoint(t *testing.T) {
require.Len(t, happyDownstreamState, 8, "we expect fosite to allow 8 byte state params, so we want to test that boundary case")
otherUpstreamOIDCIdentityProvider := oidctestutil.TestUpstreamOIDCIdentityProvider{
Name: "other-upstream-idp-name",
ClientID: "other-some-client-id",
Scopes: []string{"other-scope1", "other-scope2"},
}
var stateEncoderHashKey = []byte("fake-hash-secret")
var stateEncoderBlockKey = []byte("0123456789ABCDEF") // block encryption requires 16/24/32 bytes for AES
var cookieEncoderHashKey = []byte("fake-hash-secret2")
var cookieEncoderBlockKey = []byte("0123456789ABCDE2") // block encryption requires 16/24/32 bytes for AES
require.NotEqual(t, stateEncoderHashKey, cookieEncoderHashKey)
require.NotEqual(t, stateEncoderBlockKey, cookieEncoderBlockKey)
var happyStateCodec = securecookie.New(stateEncoderHashKey, stateEncoderBlockKey)
happyStateCodec.SetSerializer(securecookie.JSONEncoder{})
var happyCookieCodec = securecookie.New(cookieEncoderHashKey, cookieEncoderBlockKey)
happyCookieCodec.SetSerializer(securecookie.JSONEncoder{})
happyState := happyUpstreamStateParam().Build(t, happyStateCodec)
encodedIncomingCookieCSRFValue, err := happyCookieCodec.Encode("csrf", happyDownstreamCSRF)
require.NoError(t, err)
happyCSRFCookie := "__Host-pinniped-csrf=" + encodedIncomingCookieCSRFValue
happyExchangeAndValidateTokensArgs := &oidctestutil.ExchangeAuthcodeAndValidateTokenArgs{
Authcode: happyUpstreamAuthcode,
PKCECodeVerifier: oidcpkce.Code(happyDownstreamPKCE),
ExpectedIDTokenNonce: nonce.Nonce(happyDownstreamNonce),
RedirectURI: happyUpstreamRedirectURI,
}
// Note that fosite puts the granted scopes as a param in the redirect URI even though the spec doesn't seem to require it
happyDownstreamRedirectLocationRegexp := downstreamRedirectURI + `\?code=([^&]+)&scope=openid&state=` + happyDownstreamState
tests := []struct {
name string
idps *oidctestutil.UpstreamIDPListerBuilder
method string
path string
csrfCookie string
wantStatus int
wantContentType string
wantBody string
wantRedirectLocationRegexp string
wantBodyFormResponseRegexp string
wantDownstreamGrantedScopes []string
wantDownstreamIDTokenSubject string
wantDownstreamIDTokenUsername string
wantDownstreamIDTokenGroups []string
wantDownstreamRequestedScopes []string
wantDownstreamNonce string
wantDownstreamPKCEChallenge string
wantDownstreamPKCEChallengeMethod string
wantDownstreamCustomSessionData *psession.CustomSessionData
wantAuthcodeExchangeCall *expectedAuthcodeExchange
}{
{
name: "GET with good state and cookie and successful upstream token exchange with response_mode=form_post returns 200 with HTML+JS form",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(
happyUpstreamStateParam().WithAuthorizeRequestParams(
shallowCopyAndModifyQuery(
happyDownstreamRequestParamsQuery,
map[string]string{"response_mode": "form_post"},
).Encode(),
).Build(t, happyStateCodec),
).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusOK,
wantContentType: "text/html;charset=UTF-8",
wantBodyFormResponseRegexp: `<code id="manual-auth-code">(.+)</code>`,
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "GET with good state and cookie and successful upstream token exchange returns 303 to downstream client callback with its state and code",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "GET with authcode exchange that returns an access token but no refresh token when there is a userinfo endpoint returns 303 to downstream client callback with its state and code",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithEmptyRefreshToken().WithAccessToken(oidcUpstreamAccessToken, metav1.NewTime(time.Now().Add(9*time.Hour))).WithUserInfoURL().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamAccessTokenCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "GET with authcode exchange that returns an access token but no refresh token but has a short token lifetime which is stored as a warning in the session",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithEmptyRefreshToken().WithAccessToken(oidcUpstreamAccessToken, metav1.NewTime(time.Now().Add(1*time.Hour))).WithUserInfoURL().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: &psession.CustomSessionData{
ProviderUID: happyUpstreamIDPResourceUID,
ProviderName: happyUpstreamIDPName,
ProviderType: psession.ProviderTypeOIDC,
Warnings: []string{"Access token from identity provider has lifetime of less than 3 hours. Expect frequent prompts to log in."},
OIDC: &psession.OIDCSessionData{
UpstreamAccessToken: oidcUpstreamAccessToken,
UpstreamIssuer: oidcUpstreamIssuer,
UpstreamSubject: oidcUpstreamSubject,
},
},
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP provides no username or group claim configuration, so we use default username claim and skip groups",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithoutUsernameClaim().WithoutGroupsClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenGroups: []string{},
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is missing",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithUsernameClaim("email").WithIDTokenClaim("email", "joe@whitehouse.gov").Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: "joe@whitehouse.gov",
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is present with true value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithUsernameClaim("email").
WithIDTokenClaim("email", "joe@whitehouse.gov").
WithIDTokenClaim("email_verified", true).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: "joe@whitehouse.gov",
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP configures username claim as anything other than special claim `email` and `email_verified` upstream claim is present with false value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithUsernameClaim("some-claim").
WithIDTokenClaim("some-claim", "joe").
WithIDTokenClaim("email", "joe@whitehouse.gov").
WithIDTokenClaim("email_verified", false).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther, // succeed despite `email_verified=false` because we're not using the email claim for anything
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: "joe",
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is present with illegal value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithUsernameClaim("email").
WithIDTokenClaim("email", "joe@whitehouse.gov").
WithIDTokenClaim("email_verified", "supposed to be boolean").Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: email_verified claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "return an error when upstream IDP returned no refresh token with an access token when there is no userinfo endpoint",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithoutRefreshToken().WithAccessToken(oidcUpstreamAccessToken, metav1.NewTime(time.Now().Add(9*time.Hour))).WithoutUserInfoURL().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: access token was returned by upstream provider but there was no userinfo endpoint\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "return an error when upstream IDP returned no refresh token and no access token",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithoutRefreshToken().WithoutAccessToken().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: neither access token nor refresh token returned by upstream provider\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "return an error when upstream IDP returned an empty refresh token and empty access token",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithEmptyRefreshToken().WithEmptyAccessToken().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: neither access token nor refresh token returned by upstream provider\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "return an error when upstream IDP returned no refresh token and empty access token",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithoutRefreshToken().WithEmptyAccessToken().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: neither access token nor refresh token returned by upstream provider\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "return an error when upstream IDP returned an empty refresh token and no access token",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().WithEmptyRefreshToken().WithoutAccessToken().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: neither access token nor refresh token returned by upstream provider\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is present with false value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithUsernameClaim("email").
WithIDTokenClaim("email", "joe@whitehouse.gov").
WithIDTokenClaim("email_verified", false).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: email_verified claim in upstream ID token has false value\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP provides username claim configuration as `sub`, so the downstream token subject should be exactly what they asked for",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithUsernameClaim("sub").Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamSubject,
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP's configured groups claim in the ID token has a non-array value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamGroupsClaim, "notAnArrayGroup1 notAnArrayGroup2").Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenGroups: []string{"notAnArrayGroup1 notAnArrayGroup2"},
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream IDP's configured groups claim in the ID token is a slice of interfaces",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamGroupsClaim, []interface{}{"group1", "group2"}).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenGroups: []string{"group1", "group2"},
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
// Pre-upstream-exchange verification
{
name: "PUT method is invalid",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodPut,
path: newRequestPath().String(),
wantStatus: http.StatusMethodNotAllowed,
wantContentType: htmlContentType,
wantBody: "Method Not Allowed: PUT (try GET)\n",
},
{
name: "POST method is invalid",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodPost,
path: newRequestPath().String(),
wantStatus: http.StatusMethodNotAllowed,
wantContentType: htmlContentType,
wantBody: "Method Not Allowed: POST (try GET)\n",
},
{
name: "PATCH method is invalid",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodPatch,
path: newRequestPath().String(),
wantStatus: http.StatusMethodNotAllowed,
wantContentType: htmlContentType,
wantBody: "Method Not Allowed: PATCH (try GET)\n",
},
{
name: "DELETE method is invalid",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodDelete,
path: newRequestPath().String(),
wantStatus: http.StatusMethodNotAllowed,
wantContentType: htmlContentType,
wantBody: "Method Not Allowed: DELETE (try GET)\n",
},
{
name: "code param was not included on request",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).WithoutCode().String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusBadRequest,
wantContentType: htmlContentType,
wantBody: "Bad Request: code param not found\n",
},
{
name: "state param was not included on request",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithoutState().String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusBadRequest,
wantContentType: htmlContentType,
wantBody: "Bad Request: state param not found\n",
},
{
name: "state param was not signed correctly, has expired, or otherwise cannot be decoded for any reason",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState("this-will-not-decode").String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusBadRequest,
wantContentType: htmlContentType,
wantBody: "Bad Request: error reading state\n",
},
{
// This shouldn't happen in practice because the authorize endpoint should have already run the same
// validations, but we would like to test the error handling in this endpoint anyway.
name: "state param contains authorization request params which fail validation",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(
happyUpstreamStateParam().
WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"prompt": "none login"}).Encode()).
Build(t, happyStateCodec),
).String(),
csrfCookie: happyCSRFCookie,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
wantStatus: http.StatusInternalServerError,
wantContentType: htmlContentType,
wantBody: "Internal Server Error: error while generating and saving authcode\n",
},
{
name: "state's internal version does not match what we want",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyUpstreamStateParam().WithStateVersion("wrong-state-version").Build(t, happyStateCodec)).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: state format version is invalid\n",
},
{
name: "state's downstream auth params element is invalid",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyUpstreamStateParam().
WithAuthorizeRequestParams("the following is an invalid url encoding token, and therefore this is an invalid param: %z").
Build(t, happyStateCodec)).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusBadRequest,
wantContentType: htmlContentType,
wantBody: "Bad Request: error reading state downstream auth params\n",
},
{
name: "state's downstream auth params are missing required value (e.g., client_id)",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(
happyUpstreamStateParam().
WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"client_id": ""}).Encode()).
Build(t, happyStateCodec),
).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusBadRequest,
wantContentType: htmlContentType,
wantBody: "Bad Request: error using state downstream auth params\n",
},
{
name: "state's downstream auth params does not contain openid scope",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().
WithState(
happyUpstreamStateParam().
WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"scope": "profile email"}).Encode()).
Build(t, happyStateCodec),
).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: downstreamRedirectURI + `\?code=([^&]+)&scope=&state=` + happyDownstreamState,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamRequestedScopes: []string{"profile", "email"},
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "state's downstream auth params also included offline_access scope",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().
WithState(
happyUpstreamStateParam().
WithAuthorizeRequestParams(shallowCopyAndModifyQuery(happyDownstreamRequestParamsQuery, map[string]string{"scope": "openid offline_access"}).Encode()).
Build(t, happyStateCodec),
).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: downstreamRedirectURI + `\?code=([^&]+)&scope=openid\+offline_access&state=` + happyDownstreamState,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamRequestedScopes: []string{"openid", "offline_access"},
wantDownstreamGrantedScopes: []string{"openid", "offline_access"},
wantDownstreamIDTokenGroups: oidcUpstreamGroupMembership,
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "the OIDCIdentityProvider CRD has been deleted",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(&otherUpstreamOIDCIdentityProvider),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: upstream provider not found\n",
},
{
name: "the CSRF cookie does not exist on request",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
wantStatus: http.StatusForbidden,
wantContentType: htmlContentType,
wantBody: "Forbidden: CSRF cookie is missing\n",
},
{
name: "cookie was not signed correctly, has expired, or otherwise cannot be decoded for any reason",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: "__Host-pinniped-csrf=this-value-was-not-signed-by-pinniped",
wantStatus: http.StatusForbidden,
wantContentType: htmlContentType,
wantBody: "Forbidden: error reading CSRF cookie\n",
},
{
name: "cookie csrf value does not match state csrf value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(happyUpstream().Build()),
method: http.MethodGet,
path: newRequestPath().WithState(happyUpstreamStateParam().WithCSRF("wrong-csrf-value").Build(t, happyStateCodec)).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusForbidden,
wantContentType: htmlContentType,
wantBody: "Forbidden: CSRF value does not match\n",
},
// Upstream exchange
{
name: "upstream auth code exchange fails",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithUpstreamAuthcodeExchangeError(errors.New("some error")).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusBadGateway,
wantBody: "Bad Gateway: error exchanging and validating upstream tokens\n",
wantContentType: htmlContentType,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token does not contain requested username claim",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithoutIDTokenClaim(oidcUpstreamUsernameClaim).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantBody: "Unprocessable Entity: required claim in upstream ID token missing\n",
wantContentType: htmlContentType,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token does not contain requested groups claim",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithoutIDTokenClaim(oidcUpstreamGroupsClaim).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusSeeOther,
wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
wantBody: "",
wantDownstreamIDTokenSubject: oidcUpstreamIssuer + "?sub=" + oidcUpstreamSubjectQueryEscaped,
wantDownstreamIDTokenUsername: oidcUpstreamUsername,
wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
wantDownstreamIDTokenGroups: []string{},
wantDownstreamNonce: downstreamNonce,
wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
wantDownstreamCustomSessionData: happyDownstreamCustomSessionData,
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token contains username claim with weird format",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamUsernameClaim, 42).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token contains username claim with empty string value",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamUsernameClaim, "").Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token is empty\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token does not contain iss claim when using default username claim config",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithoutIDTokenClaim("iss").WithoutUsernameClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token missing\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token does has an empty string value for iss claim when using default username claim config",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim("iss", "").WithoutUsernameClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token is empty\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token has an non-string iss claim when using default username claim config",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim("iss", 42).WithoutUsernameClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token does not contain sub claim when using default username claim config",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithoutIDTokenClaim("sub").WithoutUsernameClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token missing\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token does has an empty string value for sub claim when using default username claim config",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim("sub", "").WithoutUsernameClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token is empty\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token has an non-string sub claim when using default username claim config",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim("sub", 42).WithoutUsernameClaim().Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token contains groups claim with weird format",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamGroupsClaim, 42).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token contains groups claim where one element is invalid",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamGroupsClaim, []interface{}{"foo", 7}).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: happyExchangeAndValidateTokensArgs,
},
},
{
name: "upstream ID token contains groups claim with invalid null type",
idps: oidctestutil.NewUpstreamIDPListerBuilder().WithOIDC(
happyUpstream().WithIDTokenClaim(oidcUpstreamGroupsClaim, nil).Build(),
),
method: http.MethodGet,
path: newRequestPath().WithState(happyState).String(),
csrfCookie: happyCSRFCookie,
wantStatus: http.StatusUnprocessableEntity,
wantContentType: htmlContentType,
wantBody: "Unprocessable Entity: required claim in upstream ID token has invalid format\n",
wantAuthcodeExchangeCall: &expectedAuthcodeExchange{
performedByUpstreamName: happyUpstreamIDPName,
args: 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.
timeoutsConfiguration := oidc.DefaultOIDCTimeoutsConfiguration()
oauthStore := oidc.NewKubeStorage(secrets, timeoutsConfiguration)
hmacSecretFunc := func() []byte { return []byte("some secret - must have at least 32 bytes") }
require.GreaterOrEqual(t, len(hmacSecretFunc()), 32, "fosite requires that hmac secrets have at least 32 bytes")
jwksProviderIsUnused := jwks.NewDynamicJWKSProvider()
oauthHelper := oidc.FositeOauth2Helper(oauthStore, downstreamIssuer, hmacSecretFunc, jwksProviderIsUnused, timeoutsConfiguration)
subject := NewHandler(test.idps.Build(), oauthHelper, happyStateCodec, happyCookieCodec, happyUpstreamRedirectURI)
reqContext := context.WithValue(context.Background(), struct{ name string }{name: "test"}, "request-context")
req := httptest.NewRequest(test.method, test.path, nil).WithContext(reqContext)
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())
testutil.RequireSecurityHeaders(t, rsp)
if test.wantAuthcodeExchangeCall != nil {
test.wantAuthcodeExchangeCall.args.Ctx = reqContext
test.idps.RequireExactlyOneCallToExchangeAuthcodeAndValidateTokens(t,
test.wantAuthcodeExchangeCall.performedByUpstreamName, test.wantAuthcodeExchangeCall.args,
)
} else {
test.idps.RequireExactlyZeroCallsToExchangeAuthcodeAndValidateTokens(t)
}
require.Equal(t, test.wantStatus, rsp.Code)
testutil.RequireEqualContentType(t, rsp.Header().Get("Content-Type"), test.wantContentType)
switch {
// If we want a specific static response body, assert that.
case test.wantBody != "":
require.Equal(t, test.wantBody, rsp.Body.String())
// Else if we want a body that contains a regex-matched auth code, assert that (for "response_mode=form_post").
case test.wantBodyFormResponseRegexp != "":
oidctestutil.RequireAuthCodeRegexpMatch(
t,
rsp.Body.String(),
test.wantBodyFormResponseRegexp,
client,
secrets,
oauthStore,
test.wantDownstreamGrantedScopes,
test.wantDownstreamIDTokenSubject,
test.wantDownstreamIDTokenUsername,
test.wantDownstreamIDTokenGroups,
test.wantDownstreamRequestedScopes,
test.wantDownstreamPKCEChallenge,
test.wantDownstreamPKCEChallengeMethod,
test.wantDownstreamNonce,
downstreamClientID,
downstreamRedirectURI,
test.wantDownstreamCustomSessionData,
)
// Otherwise, expect an empty response body.
default:
require.Empty(t, rsp.Body.String())
}
if test.wantRedirectLocationRegexp != "" { //nolint:nestif // don't mind have several sequential if statements in this test
require.Len(t, rsp.Header().Values("Location"), 1)
oidctestutil.RequireAuthCodeRegexpMatch(
t,
rsp.Header().Get("Location"),
test.wantRedirectLocationRegexp,
client,
secrets,
oauthStore,
test.wantDownstreamGrantedScopes,
test.wantDownstreamIDTokenSubject,
test.wantDownstreamIDTokenUsername,
test.wantDownstreamIDTokenGroups,
test.wantDownstreamRequestedScopes,
test.wantDownstreamPKCEChallenge,
test.wantDownstreamPKCEChallengeMethod,
test.wantDownstreamNonce,
downstreamClientID,
downstreamRedirectURI,
test.wantDownstreamCustomSessionData,
)
}
})
}
}
type expectedAuthcodeExchange struct {
performedByUpstreamName string
args *oidctestutil.ExchangeAuthcodeAndValidateTokenArgs
}
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
}
func happyUpstream() *oidctestutil.TestUpstreamOIDCIdentityProviderBuilder {
return oidctestutil.NewTestUpstreamOIDCIdentityProviderBuilder().
WithName(happyUpstreamIDPName).
WithResourceUID(happyUpstreamIDPResourceUID).
WithClientID("some-client-id").
WithScopes([]string{"scope1", "scope2"}).
WithUsernameClaim(oidcUpstreamUsernameClaim).
WithGroupsClaim(oidcUpstreamGroupsClaim).
WithIDTokenClaim("iss", oidcUpstreamIssuer).
WithIDTokenClaim("sub", oidcUpstreamSubject).
WithIDTokenClaim(oidcUpstreamUsernameClaim, oidcUpstreamUsername).
WithIDTokenClaim(oidcUpstreamGroupsClaim, oidcUpstreamGroupMembership).
WithIDTokenClaim("other-claim", "should be ignored").
WithAllowPasswordGrant(false).
WithRefreshToken(oidcUpstreamRefreshToken).
WithPasswordGrantError(errors.New("the callback endpoint should not use password grants"))
}
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
}