oauth2-proxy/providers/google_test.go

547 lines
16 KiB
Go

package providers
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"time"
"github.com/coreos/go-oidc/v3/oidc"
"github.com/golang-jwt/jwt/v5"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/options"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
internaloidc "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/providers/oidc"
. "github.com/onsi/gomega"
"github.com/stretchr/testify/assert"
admin "google.golang.org/api/admin/directory/v1"
option "google.golang.org/api/option"
)
// googleTestRegisteredClaims creates standard JWT claims for Google provider tests
func googleTestRegisteredClaims() jwt.RegisteredClaims {
return jwt.RegisteredClaims{
Audience: jwt.ClaimStrings{oidcClientID},
ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(5) * time.Minute)),
IssuedAt: jwt.NewNumericDate(time.Now()),
Issuer: oidcIssuer,
NotBefore: jwt.NewNumericDate(time.Time{}),
Subject: "123456789",
}
}
func newGoogleRedeemServer(body []byte) (*url.URL, *httptest.Server) {
s := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.Header().Add("content-type", "application/json")
rw.Write(body)
}))
u, _ := url.Parse(s.URL)
return u, s
}
func newGoogleProvider(t *testing.T) *GoogleProvider {
g := NewWithT(t)
verificationOptions := internaloidc.IDTokenVerificationOptions{
AudienceClaims: []string{"aud"},
ClientID: oidcClientID,
}
providerData := &ProviderData{
ProviderName: "",
LoginURL: &url.URL{},
RedeemURL: &url.URL{},
ProfileURL: &url.URL{},
ValidateURL: &url.URL{},
Scope: "",
EmailClaim: "email",
UserClaim: "sub",
Verifier: internaloidc.NewVerifier(oidc.NewVerifier(
oidcIssuer,
mockJWKS{},
&oidc.Config{ClientID: oidcClientID},
), verificationOptions),
}
p := NewGoogleProvider(providerData, options.GoogleOptions{}, options.OIDCOptions{
InsecureSkipNonce: func() *bool { b := true; return &b }(),
})
g.Expect(p).ToNot(BeNil())
return p
}
func TestNewGoogleProvider(t *testing.T) {
g := NewWithT(t)
verificationOptions := internaloidc.IDTokenVerificationOptions{
AudienceClaims: []string{"aud"},
ClientID: oidcClientID,
}
providerData := &ProviderData{
Verifier: internaloidc.NewVerifier(oidc.NewVerifier(
oidcIssuer,
mockJWKS{},
&oidc.Config{ClientID: oidcClientID},
), verificationOptions),
}
// Test that defaults are set when calling for a new provider with nothing set
provider := NewGoogleProvider(providerData, options.GoogleOptions{}, options.OIDCOptions{})
g.Expect(provider).ToNot(BeNil())
g.Expect(provider.Data().ProviderName).To(Equal("Google"))
g.Expect(provider.Data().Scope).To(Equal("openid email profile"))
}
type googleRedeemResponse struct {
AccessToken string `json:"access_token"`
RefreshToken string `json:"refresh_token"`
ExpiresIn int64 `json:"expires_in"`
TokenType string `json:"token_type"`
IDToken string `json:"id_token"`
}
func TestGoogleProviderRedeem(t *testing.T) {
p := newGoogleProvider(t)
idToken, err := newSignedTestIDToken(idTokenClaims{
Email: "michael.bland@gsa.gov",
Verified: func() *bool { b := true; return &b }(),
RegisteredClaims: googleTestRegisteredClaims(),
})
assert.NoError(t, err)
body, err := json.Marshal(googleRedeemResponse{
AccessToken: "a1234",
ExpiresIn: 10,
TokenType: "Bearer",
RefreshToken: "refresh12345",
IDToken: idToken,
})
assert.NoError(t, err)
var server *httptest.Server
p.RedeemURL, server = newGoogleRedeemServer(body)
defer server.Close()
session, err := p.Redeem(context.Background(), "http://redirect/", "code1234", "")
assert.NoError(t, err)
assert.NotNil(t, session)
assert.Equal(t, "michael.bland@gsa.gov", session.Email)
assert.Equal(t, "a1234", session.AccessToken)
assert.Equal(t, "refresh12345", session.RefreshToken)
assert.Equal(t, idToken, session.IDToken)
}
func TestGoogleProviderRedeemWithInvalidToken(t *testing.T) {
p := newGoogleProvider(t)
body, err := json.Marshal(googleRedeemResponse{
AccessToken: "a1234",
ExpiresIn: 10,
TokenType: "Bearer",
RefreshToken: "refresh12345",
IDToken: "invalid.token.format",
})
assert.NoError(t, err)
var server *httptest.Server
p.RedeemURL, server = newGoogleRedeemServer(body)
defer server.Close()
session, err := p.Redeem(context.Background(), "http://redirect/", "code1234", "")
assert.Error(t, err)
assert.Nil(t, session)
}
func TestGoogleProviderRedeemWithMissingIDToken(t *testing.T) {
p := newGoogleProvider(t)
body, err := json.Marshal(googleRedeemResponse{
AccessToken: "a1234",
ExpiresIn: 10,
TokenType: "Bearer",
RefreshToken: "refresh12345",
// No IDToken
})
assert.NoError(t, err)
var server *httptest.Server
p.RedeemURL, server = newGoogleRedeemServer(body)
defer server.Close()
session, err := p.Redeem(context.Background(), "http://redirect/", "code1234", "")
assert.Error(t, err)
assert.Nil(t, session)
}
func TestGoogleProviderValidateSession(t *testing.T) {
p := newGoogleProvider(t)
// Create a valid signed ID token
idToken, err := newSignedTestIDToken(idTokenClaims{
Email: "test@example.com",
Verified: func() *bool { b := true; return &b }(),
RegisteredClaims: googleTestRegisteredClaims(),
})
assert.NoError(t, err)
testCases := map[string]struct {
session *sessions.SessionState
expected bool
}{
"Valid session with ID token": {
session: &sessions.SessionState{
IDToken: idToken,
Email: "test@example.com",
},
expected: true,
},
"Invalid session without ID token": {
session: &sessions.SessionState{
Email: "test@example.com",
},
expected: false,
},
"Invalid session with malformed ID token": {
session: &sessions.SessionState{
IDToken: "invalid.token",
Email: "test@example.com",
},
expected: false,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
result := p.ValidateSession(context.Background(), tc.session)
assert.Equal(t, tc.expected, result)
})
}
}
func TestGoogleProviderGetLoginURL(t *testing.T) {
p := newGoogleProvider(t)
p.LoginURL = &url.URL{
Scheme: "https",
Host: "accounts.google.com",
Path: "/o/oauth2/v2/auth",
}
loginURL := p.GetLoginURL("http://redirect/", "state123", "nonce456", url.Values{})
// Verify access_type=offline is added for refresh tokens
assert.Contains(t, loginURL, "access_type=offline")
assert.Contains(t, loginURL, "state=state123")
}
func TestGoogleProviderGroupValidator(t *testing.T) {
const sessionEmail = "michael.bland@gsa.gov"
testCases := map[string]struct {
session *sessions.SessionState
validatorFunc func(*sessions.SessionState) bool
expectedAuthZ bool
}{
"Email is authorized with groupValidator": {
session: &sessions.SessionState{
Email: sessionEmail,
},
validatorFunc: func(s *sessions.SessionState) bool {
return s.Email == sessionEmail
},
expectedAuthZ: true,
},
"Email is denied with groupValidator": {
session: &sessions.SessionState{
Email: sessionEmail,
},
validatorFunc: func(s *sessions.SessionState) bool {
return s.Email != sessionEmail
},
expectedAuthZ: false,
},
"Default does no authorization checks": {
session: &sessions.SessionState{
Email: sessionEmail,
},
validatorFunc: nil,
expectedAuthZ: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
g := NewWithT(t)
p := newGoogleProvider(t)
if tc.validatorFunc != nil {
p.groupValidator = tc.validatorFunc
}
g.Expect(p.groupValidator(tc.session)).To(Equal(tc.expectedAuthZ))
})
}
}
func TestGoogleProvider_userInGroup(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/admin/directory/v1/groups/group@example.com/hasMember/member-in-domain@example.com":
fmt.Fprintln(w, `{"isMember":true}`)
case "/admin/directory/v1/groups/group@example.com/hasMember/non-member-in-domain@example.com":
fmt.Fprintln(w, `{"isMember":false}`)
case "/admin/directory/v1/groups/group@example.com/hasMember/member-out-of-domain@otherexample.com":
http.Error(
w,
`{"error":{"errors":[{"domain":"global","reason":"invalid","message":"Invalid Input: memberKey"}],"code":400,"message":"Invalid Input: memberKey"}}`,
http.StatusBadRequest,
)
case "/admin/directory/v1/groups/group@example.com/hasMember/non-member-out-of-domain@otherexample.com":
http.Error(
w,
`{"error":{"errors":[{"domain":"global","reason":"invalid","message":"Invalid Input: memberKey"}],"code":400,"message":"Invalid Input: memberKey"}}`,
http.StatusBadRequest,
)
case "/admin/directory/v1/groups/group@example.com/members/non-member-out-of-domain@otherexample.com":
// note that the client currently doesn't care what this response text or code is - any error here results in failure to match the group
http.Error(
w,
`{"kind":"admin#directory#member","etag":"12345","id":"1234567890","email":"member-out-of-domain@otherexample.com","role":"MEMBER","type":"USER","status":"ACTIVE","delivery_settings":"ALL_MAIL"}`,
http.StatusNotFound,
)
case "/admin/directory/v1/groups/group@example.com/members/member-out-of-domain@otherexample.com":
fmt.Fprintln(w,
`{"kind":"admin#directory#member","etag":"12345","id":"1234567890","email":"member-out-of-domain@otherexample.com","role":"MEMBER","type":"USER","status":"ACTIVE","delivery_settings":"ALL_MAIL"}`,
)
}
}))
defer ts.Close()
client := ts.Client()
ctx := context.Background()
service, err := admin.NewService(ctx, option.WithHTTPClient(client))
assert.NoError(t, err)
service.BasePath = ts.URL
result := userInGroup(service, "group@example.com", "member-in-domain@example.com")
assert.True(t, result)
result = userInGroup(service, "group@example.com", "member-out-of-domain@otherexample.com")
assert.True(t, result)
result = userInGroup(service, "group@example.com", "non-member-in-domain@example.com")
assert.False(t, result)
result = userInGroup(service, "group@example.com", "non-member-out-of-domain@otherexample.com")
assert.False(t, result)
}
func TestGoogleProvider_getUserGroups(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/admin/directory/v1/groups" && r.URL.Query().Get("userKey") == "test@example.com" {
response := `{
"kind": "admin#directory#groups",
"groups": [
{
"kind": "admin#directory#group",
"id": "1",
"email": "group1@example.com",
"name": "Group 1"
},
{
"kind": "admin#directory#group",
"id": "2",
"email": "group2@example.com",
"name": "Group 2"
}
]
}`
fmt.Fprintln(w, response)
} else {
http.NotFound(w, r)
}
}))
defer ts.Close()
client := &http.Client{}
adminService, err := admin.NewService(context.Background(), option.WithHTTPClient(client), option.WithEndpoint(ts.URL))
assert.NoError(t, err)
groups, err := getUserGroups(adminService, "test@example.com")
assert.NoError(t, err)
assert.Equal(t, []string{"group1@example.com", "group2@example.com"}, groups)
}
func TestGoogleProvider_getUserInfo(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/admin/directory/v1/users/test@example.com" {
response := `{
"kind": "admin#directory#user",
"id": "",
"etag": "\"\"",
"primaryEmail": "test@example.com",
"name": {
"givenName": "Test",
"familyName": "User",
"fullName": "Test User"
},
"isAdmin": false,
"isDelegatedAdmin": false,
"lastLoginTime": "",
"creationTime": "",
"agreedToTerms": true,
"suspended": false,
"archived": false,
"changePasswordAtNextLogin": false,
"ipWhitelisted": false,
"emails": [
{
"address": "test@example.com",
"primary": true
}
],
"externalIds": [
{
"value": "test.user",
"type": "organization"
}
],
"organizations": [
],
"phones": [
],
"languages": [
{
"languageCode": "en",
"preference": "preferred"
}
],
"aliases": [
"test.user@example.com"
],
"nonEditableAliases": [
"test.user@example.com"
],
"gender": {
"type": "male"
},
"customerId": "",
"orgUnitPath": "/",
"isMailboxSetup": true,
"isEnrolledIn2Sv": true,
"isEnforcedIn2Sv": false,
"includeInGlobalAddressList": true,
"thumbnailPhotoUrl": "",
"thumbnailPhotoEtag": "\"\"",
"recoveryEmail": "test.user@gmail.com",
"recoveryPhone": "+55555555555"
}`
fmt.Fprintln(w, response)
} else {
http.NotFound(w, r)
}
}))
defer ts.Close()
client := &http.Client{}
adminService, err := admin.NewService(context.Background(), option.WithHTTPClient(client), option.WithEndpoint(ts.URL))
assert.NoError(t, err)
info, err := getUserInfo(adminService, "test@example.com")
assert.NoError(t, err)
assert.Equal(t, "test.user", info)
}
func TestGoogleProvider_EnrichSessionWithoutAdminService(t *testing.T) {
const sessionEmail = "test@example.com"
p := newGoogleProvider(t)
// No adminService configured - groups should not be populated
idToken, err := newSignedTestIDToken(idTokenClaims{
Email: sessionEmail,
Verified: func() *bool { b := true; return &b }(),
RegisteredClaims: googleTestRegisteredClaims(),
})
assert.NoError(t, err)
session := &sessions.SessionState{
Email: sessionEmail,
IDToken: idToken,
}
err = p.EnrichSession(context.Background(), session)
assert.NoError(t, err)
assert.Nil(t, session.Groups) // No groups populated without adminService
}
func TestGoogleProvider_RefreshSessionWithoutAdminService(t *testing.T) {
const sessionEmail = "test@example.com"
p := newGoogleProvider(t)
// No adminService configured
idToken, err := newSignedTestIDToken(idTokenClaims{
Email: sessionEmail,
Verified: func() *bool { b := true; return &b }(),
RegisteredClaims: googleTestRegisteredClaims(),
})
assert.NoError(t, err)
// Create mock redeem server for refresh
body, err := json.Marshal(googleRedeemResponse{
AccessToken: "new_access_token",
ExpiresIn: 3600,
TokenType: "Bearer",
RefreshToken: "new_refresh_token",
IDToken: idToken,
})
assert.NoError(t, err)
var server *httptest.Server
p.RedeemURL, server = newGoogleRedeemServer(body)
defer server.Close()
session := &sessions.SessionState{
Email: sessionEmail,
IDToken: idToken,
RefreshToken: "old_refresh_token",
}
refreshed, err := p.RefreshSession(context.Background(), session)
assert.NoError(t, err)
assert.True(t, refreshed)
}
func TestGoogleProvider_CreateSessionFromToken(t *testing.T) {
const sessionEmail = "test@example.com"
p := newGoogleProvider(t)
idToken, err := newSignedTestIDToken(idTokenClaims{
Email: sessionEmail,
Verified: func() *bool { b := true; return &b }(),
RegisteredClaims: googleTestRegisteredClaims(),
})
assert.NoError(t, err)
session, err := p.CreateSessionFromToken(context.Background(), idToken)
assert.NoError(t, err)
assert.NotNil(t, session)
assert.Equal(t, sessionEmail, session.Email)
assert.Equal(t, idToken, session.IDToken)
// No adminService configured, so groups should be nil
assert.Nil(t, session.Groups)
}
func TestGoogleProvider_CreateSessionFromTokenWithInvalidToken(t *testing.T) {
p := newGoogleProvider(t)
session, err := p.CreateSessionFromToken(context.Background(), "invalid.token")
assert.Error(t, err)
assert.Nil(t, session)
}