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oauth2-proxy/pkg/sessions/tests/session_store_tests.go
2020-07-05 09:18:21 +01:00

436 lines
12 KiB
Go

package tests
import (
"crypto/rand"
"net/http"
"net/http/httptest"
"strconv"
"strings"
"time"
"github.com/oauth2-proxy/oauth2-proxy/pkg/apis/options"
sessionsapi "github.com/oauth2-proxy/oauth2-proxy/pkg/apis/sessions"
cookiesapi "github.com/oauth2-proxy/oauth2-proxy/pkg/cookies"
"github.com/oauth2-proxy/oauth2-proxy/pkg/encryption"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
// testInput is passed to test function as a pointer.
// This allows BeforeEach blocks to initialise and use these values after
// Ginkgo has unpacked the tests.
// Interfaces have to be wrapped in closures otherwise nil pointers are thrown.
type testInput struct {
cookieOpts *options.Cookie
ss sessionStoreFunc
session *sessionsapi.SessionState
request *http.Request
response *httptest.ResponseRecorder
persistentFastForward PersistentStoreFastForwardFunc
}
// sessionStoreFunc is used in testInput to wrap the SessionStore interface.
type sessionStoreFunc func() sessionsapi.SessionStore
// PersistentStoreFastForwardFunc is used to adjust the time of the persistent
// store to fast forward expiry of sessions.
type PersistentStoreFastForwardFunc func(time.Duration) error
// NewSessionStoreFunc allows any session store implementation to configure their
// own session store before each test.
type NewSessionStoreFunc func(sessionOpts *options.SessionOptions, cookieOpts *options.Cookie) (sessionsapi.SessionStore, error)
func RunSessionStoreTests(newSS NewSessionStoreFunc, persistentFastForward PersistentStoreFastForwardFunc) {
Describe("Session Store Suite", func() {
var opts *options.SessionOptions
var ss sessionsapi.SessionStore
var input testInput
var cookieSecret []byte
getSessionStore := func() sessionsapi.SessionStore {
return ss
}
BeforeEach(func() {
ss = nil
opts = &options.SessionOptions{}
// A secret is required to create a Cipher, validation ensures it is the correct
// length before a session store is initialised.
cookieSecret = make([]byte, 32)
_, err := rand.Read(cookieSecret)
Expect(err).ToNot(HaveOccurred())
// Set default options in CookieOptions
cookieOpts := &options.Cookie{
Name: "_oauth2_proxy",
Path: "/",
Expire: time.Duration(168) * time.Hour,
Refresh: time.Duration(1) * time.Hour,
Secure: true,
HTTPOnly: true,
SameSite: "",
Secret: string(cookieSecret),
}
expires := time.Now().Add(1 * time.Hour)
session := &sessionsapi.SessionState{
AccessToken: "AccessToken",
IDToken: "IDToken",
ExpiresOn: &expires,
RefreshToken: "RefreshToken",
Email: "john.doe@example.com",
User: "john.doe",
}
request := httptest.NewRequest("GET", "http://example.com/", nil)
response := httptest.NewRecorder()
input = testInput{
cookieOpts: cookieOpts,
ss: getSessionStore,
session: session,
request: request,
response: response,
persistentFastForward: persistentFastForward,
}
})
Context("with default options", func() {
BeforeEach(func() {
var err error
ss, err = newSS(opts, input.cookieOpts)
Expect(err).ToNot(HaveOccurred())
})
SessionStoreInterfaceTests(&input)
if persistentFastForward != nil {
PersistentSessionStoreInterfaceTests(&input)
}
})
Context("with non-default options", func() {
BeforeEach(func() {
input.cookieOpts = &options.Cookie{
Name: "_cookie_name",
Path: "/path",
Expire: time.Duration(72) * time.Hour,
Refresh: time.Duration(2) * time.Hour,
Secure: false,
HTTPOnly: false,
Domains: []string{"example.com"},
SameSite: "strict",
Secret: string(cookieSecret),
}
var err error
ss, err = newSS(opts, input.cookieOpts)
Expect(err).ToNot(HaveOccurred())
})
SessionStoreInterfaceTests(&input)
if persistentFastForward != nil {
PersistentSessionStoreInterfaceTests(&input)
}
})
Context("with an invalid cookie secret", func() {
BeforeEach(func() {
input.cookieOpts.Secret = "invalid"
})
It("returns an error when initialising the session store", func() {
ss, err := newSS(opts, input.cookieOpts)
Expect(err).To(MatchError("error initialising cipher: crypto/aes: invalid key size 7"))
Expect(ss).To(BeNil())
})
})
})
}
func CheckCookieOptions(in *testInput) {
Context("the cookies returned", func() {
var cookies []*http.Cookie
BeforeEach(func() {
cookies = in.response.Result().Cookies()
})
It("have the correct name set", func() {
if len(cookies) == 1 {
Expect(cookies[0].Name).To(Equal(in.cookieOpts.Name))
} else {
for _, cookie := range cookies {
Expect(cookie.Name).To(ContainSubstring(in.cookieOpts.Name))
}
}
})
It("have the correct path set", func() {
for _, cookie := range cookies {
Expect(cookie.Path).To(Equal(in.cookieOpts.Path))
}
})
It("have the correct domain set", func() {
for _, cookie := range cookies {
specifiedDomain := ""
if len(in.cookieOpts.Domains) > 0 {
specifiedDomain = in.cookieOpts.Domains[0]
}
Expect(cookie.Domain).To(Equal(specifiedDomain))
}
})
It("have the correct HTTPOnly set", func() {
for _, cookie := range cookies {
Expect(cookie.HttpOnly).To(Equal(in.cookieOpts.HTTPOnly))
}
})
It("have the correct secure set", func() {
for _, cookie := range cookies {
Expect(cookie.Secure).To(Equal(in.cookieOpts.Secure))
}
})
It("have the correct SameSite set", func() {
for _, cookie := range cookies {
Expect(cookie.SameSite).To(Equal(cookiesapi.ParseSameSite(in.cookieOpts.SameSite)))
}
})
It("have a signature timestamp matching session.CreatedAt", func() {
for _, cookie := range cookies {
if cookie.Value != "" {
parts := strings.Split(cookie.Value, "|")
Expect(parts).To(HaveLen(3))
Expect(parts[1]).To(Equal(strconv.Itoa(int(in.session.CreatedAt.Unix()))))
}
}
})
})
}
func PersistentSessionStoreInterfaceTests(in *testInput) {
// Check that a stale cookie can't load an already cleared session
Context("when Clear is called on a persistent store", func() {
var resultCookies []*http.Cookie
BeforeEach(func() {
req := httptest.NewRequest("GET", "http://example.com/", nil)
saveResp := httptest.NewRecorder()
err := in.ss().Save(saveResp, req, in.session)
Expect(err).ToNot(HaveOccurred())
resultCookies = saveResp.Result().Cookies()
for _, c := range resultCookies {
in.request.AddCookie(c)
}
err = in.ss().Clear(in.response, in.request)
Expect(err).ToNot(HaveOccurred())
})
Context("attempting to Load", func() {
var loadedAfterClear *sessionsapi.SessionState
var loadErr error
BeforeEach(func() {
loadReq := httptest.NewRequest("GET", "http://example.com/", nil)
for _, c := range resultCookies {
loadReq.AddCookie(c)
}
loadedAfterClear, loadErr = in.ss().Load(loadReq)
})
It("returns an empty session", func() {
Expect(loadedAfterClear).To(BeNil())
})
It("returns an error", func() {
Expect(loadErr).To(HaveOccurred())
})
})
CheckCookieOptions(in)
})
// Test TTLs and cleanup of persistent session storage
// For non-persistent we rely on the browser cookie lifecycle
Context("when Load is called on a persistent store", func() {
BeforeEach(func() {
req := httptest.NewRequest("GET", "http://example.com/", nil)
resp := httptest.NewRecorder()
err := in.ss().Save(resp, req, in.session)
Expect(err).ToNot(HaveOccurred())
for _, cookie := range resp.Result().Cookies() {
in.request.AddCookie(cookie)
}
})
Context("after the refresh period, but before the cookie expire period", func() {
BeforeEach(func() {
Expect(in.persistentFastForward(in.cookieOpts.Refresh + time.Minute)).To(Succeed())
})
LoadSessionTests(in)
})
Context("after the cookie expire period", func() {
var loadedSession *sessionsapi.SessionState
var err error
BeforeEach(func() {
Expect(in.persistentFastForward(in.cookieOpts.Expire + time.Minute)).To(Succeed())
loadedSession, err = in.ss().Load(in.request)
Expect(err).To(HaveOccurred())
})
It("returns an error loading the session", func() {
Expect(err).To(HaveOccurred())
})
It("returns an empty session", func() {
Expect(loadedSession).To(BeNil())
})
})
})
}
func SessionStoreInterfaceTests(in *testInput) {
Context("when Save is called", func() {
Context("with no existing session", func() {
BeforeEach(func() {
err := in.ss().Save(in.response, in.request, in.session)
Expect(err).ToNot(HaveOccurred())
})
It("sets a `set-cookie` header in the response", func() {
Expect(in.response.Header().Get("set-cookie")).ToNot(BeEmpty())
})
It("Ensures the session CreatedAt is not zero", func() {
Expect(in.session.CreatedAt.IsZero()).To(BeFalse())
})
CheckCookieOptions(in)
})
Context("with a broken session", func() {
BeforeEach(func() {
By("Using a valid cookie with a different providers session encoding")
broken := "BrokenSessionFromADifferentSessionImplementation"
value := encryption.SignedValue(in.cookieOpts.Secret, in.cookieOpts.Name, []byte(broken), time.Now())
cookie := cookiesapi.MakeCookieFromOptions(in.request, in.cookieOpts.Name, value, in.cookieOpts, in.cookieOpts.Expire, time.Now())
in.request.AddCookie(cookie)
err := in.ss().Save(in.response, in.request, in.session)
Expect(err).ToNot(HaveOccurred())
})
It("sets a `set-cookie` header in the response", func() {
Expect(in.response.Header().Get("set-cookie")).ToNot(BeEmpty())
})
It("Ensures the session CreatedAt is not zero", func() {
Expect(in.session.CreatedAt.IsZero()).To(BeFalse())
})
CheckCookieOptions(in)
})
Context("with an expired saved session", func() {
var err error
BeforeEach(func() {
By("saving a session")
req := httptest.NewRequest("GET", "http://example.com/", nil)
saveResp := httptest.NewRecorder()
err = in.ss().Save(saveResp, req, in.session)
Expect(err).ToNot(HaveOccurred())
By("and clearing the session")
for _, c := range saveResp.Result().Cookies() {
in.request.AddCookie(c)
}
clearResp := httptest.NewRecorder()
err = in.ss().Clear(clearResp, in.request)
Expect(err).ToNot(HaveOccurred())
By("then saving a request with the cleared session")
err = in.ss().Save(in.response, in.request, in.session)
})
It("no error should occur", func() {
Expect(err).ToNot(HaveOccurred())
})
})
})
Context("when Clear is called", func() {
BeforeEach(func() {
req := httptest.NewRequest("GET", "http://example.com/", nil)
saveResp := httptest.NewRecorder()
err := in.ss().Save(saveResp, req, in.session)
Expect(err).ToNot(HaveOccurred())
for _, c := range saveResp.Result().Cookies() {
in.request.AddCookie(c)
}
err = in.ss().Clear(in.response, in.request)
Expect(err).ToNot(HaveOccurred())
})
It("sets a `set-cookie` header in the response", func() {
Expect(in.response.Header().Get("Set-Cookie")).ToNot(BeEmpty())
})
CheckCookieOptions(in)
})
Context("when Load is called", func() {
BeforeEach(func() {
req := httptest.NewRequest("GET", "http://example.com/", nil)
resp := httptest.NewRecorder()
err := in.ss().Save(resp, req, in.session)
Expect(err).ToNot(HaveOccurred())
for _, cookie := range resp.Result().Cookies() {
in.request.AddCookie(cookie)
}
})
Context("before the refresh period", func() {
LoadSessionTests(in)
})
})
}
func LoadSessionTests(in *testInput) {
var loadedSession *sessionsapi.SessionState
BeforeEach(func() {
var err error
loadedSession, err = in.ss().Load(in.request)
Expect(err).ToNot(HaveOccurred())
})
It("loads a session equal to the original session", func() {
// Can't compare time.Time using Equal() so remove ExpiresOn from sessions
l := *loadedSession
l.CreatedAt = nil
l.ExpiresOn = nil
s := *in.session
s.CreatedAt = nil
s.ExpiresOn = nil
Expect(l).To(Equal(s))
// Compare time.Time separately
Expect(loadedSession.CreatedAt.Equal(*in.session.CreatedAt)).To(BeTrue())
Expect(loadedSession.ExpiresOn.Equal(*in.session.ExpiresOn)).To(BeTrue())
})
}