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oauth2-proxy/oauthproxy_test.go

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package main
import (
"bufio"
"context"
"crypto"
"encoding/base64"
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"regexp"
"strings"
"testing"
"time"
"github.com/coreos/go-oidc"
"github.com/mbland/hmacauth"
"github.com/oauth2-proxy/oauth2-proxy/pkg/apis/options"
"github.com/oauth2-proxy/oauth2-proxy/pkg/apis/sessions"
"github.com/oauth2-proxy/oauth2-proxy/pkg/logger"
sessionscookie "github.com/oauth2-proxy/oauth2-proxy/pkg/sessions/cookie"
"github.com/oauth2-proxy/oauth2-proxy/pkg/validation"
"github.com/oauth2-proxy/oauth2-proxy/providers"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/net/websocket"
)
const (
// The rawCookieSecret is 32 bytes and the base64CookieSecret is the base64
// encoded version of this.
rawCookieSecret = "secretthirtytwobytes+abcdefghijk"
base64CookieSecret = "c2VjcmV0dGhpcnR5dHdvYnl0ZXMrYWJjZGVmZ2hpams"
clientID = "3984n253984d7348dm8234yf982t"
clientSecret = "gv3498mfc9t23y23974dm2394dm9"
)
func init() {
logger.SetFlags(logger.Lshortfile)
}
type WebSocketOrRestHandler struct {
restHandler http.Handler
wsHandler http.Handler
}
func (h *WebSocketOrRestHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("Upgrade") == "websocket" {
h.wsHandler.ServeHTTP(w, r)
} else {
h.restHandler.ServeHTTP(w, r)
}
}
func TestWebSocketProxy(t *testing.T) {
handler := WebSocketOrRestHandler{
restHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
hostname, _, _ := net.SplitHostPort(r.Host)
_, err := w.Write([]byte(hostname))
if err != nil {
t.Fatal(err)
}
}),
wsHandler: websocket.Handler(func(ws *websocket.Conn) {
defer func(t *testing.T) {
if err := ws.Close(); err != nil {
t.Fatal(err)
}
}(t)
var data []byte
err := websocket.Message.Receive(ws, &data)
if err != nil {
t.Fatal(err)
}
err = websocket.Message.Send(ws, data)
if err != nil {
t.Fatal(err)
}
}),
}
backend := httptest.NewServer(&handler)
t.Cleanup(backend.Close)
backendURL, _ := url.Parse(backend.URL)
opts := baseTestOptions()
var auth hmacauth.HmacAuth
opts.PassHostHeader = true
proxyHandler := NewWebSocketOrRestReverseProxy(backendURL, opts, auth)
frontend := httptest.NewServer(proxyHandler)
t.Cleanup(frontend.Close)
frontendURL, _ := url.Parse(frontend.URL)
frontendWSURL := "ws://" + frontendURL.Host + "/"
ws, err := websocket.Dial(frontendWSURL, "", "http://localhost/")
if err != nil {
t.Fatal(err)
}
request := []byte("hello, world!")
err = websocket.Message.Send(ws, request)
if err != nil {
t.Fatal(err)
}
var response = make([]byte, 1024)
err = websocket.Message.Receive(ws, &response)
if err != nil {
t.Fatal(err)
}
if g, e := string(request), string(response); g != e {
t.Errorf("got body %q; expected %q", g, e)
}
getReq, _ := http.NewRequest("GET", frontend.URL, nil)
res, _ := http.DefaultClient.Do(getReq)
bodyBytes, _ := ioutil.ReadAll(res.Body)
backendHostname, _, _ := net.SplitHostPort(backendURL.Host)
if g, e := string(bodyBytes), backendHostname; g != e {
t.Errorf("got body %q; expected %q", g, e)
}
}
func TestNewReverseProxy(t *testing.T) {
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
hostname, _, _ := net.SplitHostPort(r.Host)
_, err := w.Write([]byte(hostname))
if err != nil {
t.Fatal(err)
}
}))
t.Cleanup(backend.Close)
backendURL, _ := url.Parse(backend.URL)
backendHostname, backendPort, _ := net.SplitHostPort(backendURL.Host)
backendHost := net.JoinHostPort(backendHostname, backendPort)
proxyURL, _ := url.Parse(backendURL.Scheme + "://" + backendHost + "/")
proxyHandler := NewReverseProxy(proxyURL, &options.Options{FlushInterval: time.Second})
setProxyUpstreamHostHeader(proxyHandler, proxyURL)
frontend := httptest.NewServer(proxyHandler)
t.Cleanup(frontend.Close)
getReq, _ := http.NewRequest("GET", frontend.URL, nil)
res, _ := http.DefaultClient.Do(getReq)
bodyBytes, _ := ioutil.ReadAll(res.Body)
if g, e := string(bodyBytes), backendHostname; g != e {
t.Errorf("got body %q; expected %q", g, e)
}
}
func TestEncodedSlashes(t *testing.T) {
var seen string
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
seen = r.RequestURI
}))
t.Cleanup(backend.Close)
b, _ := url.Parse(backend.URL)
proxyHandler := NewReverseProxy(b, &options.Options{FlushInterval: time.Second})
setProxyDirector(proxyHandler)
frontend := httptest.NewServer(proxyHandler)
t.Cleanup(frontend.Close)
f, _ := url.Parse(frontend.URL)
encodedPath := "/a%2Fb/?c=1"
getReq := &http.Request{URL: &url.URL{Scheme: "http", Host: f.Host, Opaque: encodedPath}}
_, err := http.DefaultClient.Do(getReq)
if err != nil {
t.Fatal(err)
}
if seen != encodedPath {
t.Errorf("got bad request %q expected %q", seen, encodedPath)
}
}
func TestRobotsTxt(t *testing.T) {
opts := baseTestOptions()
err := validation.Validate(opts)
assert.NoError(t, err)
proxy, err := NewOAuthProxy(opts, func(string) bool { return true })
if err != nil {
t.Fatal(err)
}
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/robots.txt", nil)
proxy.ServeHTTP(rw, req)
assert.Equal(t, 200, rw.Code)
assert.Equal(t, "User-agent: *\nDisallow: /", rw.Body.String())
}
func TestIsValidRedirect(t *testing.T) {
opts := baseTestOptions()
// Should match domains that are exactly foo.bar and any subdomain of bar.foo
opts.WhitelistDomains = []string{
"foo.bar",
".bar.foo",
"port.bar:8080",
".sub.port.bar:8080",
"anyport.bar:*",
".sub.anyport.bar:*",
}
err := validation.Validate(opts)
assert.NoError(t, err)
proxy, err := NewOAuthProxy(opts, func(string) bool { return true })
if err != nil {
t.Fatal(err)
}
testCases := []struct {
Desc, Redirect string
ExpectedResult bool
}{
{
Desc: "noRD",
Redirect: "",
ExpectedResult: false,
},
{
Desc: "singleSlash",
Redirect: "/redirect",
ExpectedResult: true,
},
{
Desc: "doubleSlash",
Redirect: "//redirect",
ExpectedResult: false,
},
{
Desc: "validHTTP",
Redirect: "http://foo.bar/redirect",
ExpectedResult: true,
},
{
Desc: "validHTTPS",
Redirect: "https://foo.bar/redirect",
ExpectedResult: true,
},
{
Desc: "invalidHTTPSubdomain",
Redirect: "http://baz.foo.bar/redirect",
ExpectedResult: false,
},
{
Desc: "invalidHTTPSSubdomain",
Redirect: "https://baz.foo.bar/redirect",
ExpectedResult: false,
},
{
Desc: "validHTTPSubdomain",
Redirect: "http://baz.bar.foo/redirect",
ExpectedResult: true,
},
{
Desc: "validHTTPSSubdomain",
Redirect: "https://baz.bar.foo/redirect",
ExpectedResult: true,
},
{
Desc: "validHTTPDomain",
Redirect: "http://bar.foo/redirect",
ExpectedResult: true,
},
{
Desc: "invalidHTTP1",
Redirect: "http://foo.bar.evil.corp/redirect",
ExpectedResult: false,
},
{
Desc: "invalidHTTPS1",
Redirect: "https://foo.bar.evil.corp/redirect",
ExpectedResult: false,
},
{
Desc: "invalidHTTP2",
Redirect: "http://evil.corp/redirect?rd=foo.bar",
ExpectedResult: false,
},
{
Desc: "invalidHTTPS2",
Redirect: "https://evil.corp/redirect?rd=foo.bar",
ExpectedResult: false,
},
{
Desc: "invalidPort",
Redirect: "https://evil.corp:3838/redirect",
ExpectedResult: false,
},
{
Desc: "invalidEmptyPort",
Redirect: "http://foo.bar:3838/redirect",
ExpectedResult: false,
},
{
Desc: "invalidEmptyPortSubdomain",
Redirect: "http://baz.bar.foo:3838/redirect",
ExpectedResult: false,
},
{
Desc: "validSpecificPort",
Redirect: "http://port.bar:8080/redirect",
ExpectedResult: true,
},
{
Desc: "invalidSpecificPort",
Redirect: "http://port.bar:3838/redirect",
ExpectedResult: false,
},
{
Desc: "validSpecificPortSubdomain",
Redirect: "http://foo.sub.port.bar:8080/redirect",
ExpectedResult: true,
},
{
Desc: "invalidSpecificPortSubdomain",
Redirect: "http://foo.sub.port.bar:3838/redirect",
ExpectedResult: false,
},
{
Desc: "validAnyPort1",
Redirect: "http://anyport.bar:8080/redirect",
ExpectedResult: true,
},
{
Desc: "validAnyPort2",
Redirect: "http://anyport.bar:8081/redirect",
ExpectedResult: true,
},
{
Desc: "validAnyPortSubdomain1",
Redirect: "http://a.sub.anyport.bar:8080/redirect",
ExpectedResult: true,
},
{
Desc: "validAnyPortSubdomain2",
Redirect: "http://a.sub.anyport.bar:8081/redirect",
ExpectedResult: true,
},
{
Desc: "openRedirect1",
Redirect: "/\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectSpace1",
Redirect: "/ /evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectSpace2",
Redirect: "/ \\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectTab1",
Redirect: "/\t/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectTab2",
Redirect: "/\t\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectVerticalTab1",
Redirect: "/\v/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectVerticalTab2",
Redirect: "/\v\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectNewLine1",
Redirect: "/\n/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectNewLine2",
Redirect: "/\n\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectCarriageReturn1",
Redirect: "/\r/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectCarriageReturn2",
Redirect: "/\r\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectTripleTab",
Redirect: "/\t\t/\t/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectTripleTab2",
Redirect: "/\t\t\\\t/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectQuadTab1",
Redirect: "/\t\t/\t\t\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectQuadTab2",
Redirect: "/\t\t\\\t\t/evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectPeriod1",
Redirect: "/./\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectPeriod2",
Redirect: "/./../../\\evil.com",
ExpectedResult: false,
},
{
Desc: "openRedirectDoubleTab",
Redirect: "/\t/\t\\evil.com",
ExpectedResult: false,
},
}
for _, tc := range testCases {
t.Run(tc.Desc, func(t *testing.T) {
result := proxy.IsValidRedirect(tc.Redirect)
if result != tc.ExpectedResult {
t.Errorf("expected %t got %t", tc.ExpectedResult, result)
}
})
}
}
func TestOpenRedirects(t *testing.T) {
opts := baseTestOptions()
// Should match domains that are exactly foo.bar and any subdomain of bar.foo
opts.WhitelistDomains = []string{
"foo.bar",
".bar.foo",
"port.bar:8080",
".sub.port.bar:8080",
"anyport.bar:*",
".sub.anyport.bar:*",
"www.whitelisteddomain.tld",
}
err := validation.Validate(opts)
assert.NoError(t, err)
proxy, err := NewOAuthProxy(opts, func(string) bool { return true })
if err != nil {
t.Fatal(err)
}
file, err := os.Open("./test/openredirects.txt")
if err != nil {
t.Fatal(err)
}
defer func(t *testing.T) {
if err := file.Close(); err != nil {
t.Fatal(err)
}
}(t)
scanner := bufio.NewScanner(file)
for scanner.Scan() {
rd := scanner.Text()
t.Run(rd, func(t *testing.T) {
rdUnescaped, err := url.QueryUnescape(rd)
if err != nil {
t.Fatal(err)
}
if proxy.IsValidRedirect(rdUnescaped) {
t.Errorf("Expected %q to not be valid (unescaped: %q)", rd, rdUnescaped)
}
})
}
if err := scanner.Err(); err != nil {
t.Fatal(err)
}
}
type TestProvider struct {
*providers.ProviderData
EmailAddress string
ValidToken bool
GroupValidator func(string) bool
}
var _ providers.Provider = (*TestProvider)(nil)
func NewTestProvider(providerURL *url.URL, emailAddress string) *TestProvider {
return &TestProvider{
ProviderData: &providers.ProviderData{
ProviderName: "Test Provider",
LoginURL: &url.URL{
Scheme: "http",
Host: providerURL.Host,
Path: "/oauth/authorize",
},
RedeemURL: &url.URL{
Scheme: "http",
Host: providerURL.Host,
Path: "/oauth/token",
},
ProfileURL: &url.URL{
Scheme: "http",
Host: providerURL.Host,
Path: "/api/v1/profile",
},
Scope: "profile.email",
},
EmailAddress: emailAddress,
GroupValidator: func(s string) bool {
return true
},
}
}
func (tp *TestProvider) GetEmailAddress(ctx context.Context, session *sessions.SessionState) (string, error) {
return tp.EmailAddress, nil
}
func (tp *TestProvider) ValidateSessionState(ctx context.Context, session *sessions.SessionState) bool {
return tp.ValidToken
}
func TestBasicAuthPassword(t *testing.T) {
providerServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
logger.Printf("%#v", r)
var payload string
switch r.URL.Path {
case "/oauth/token":
payload = `{"access_token": "my_auth_token"}`
default:
payload = r.Header.Get("Authorization")
if payload == "" {
payload = "No Authorization header found."
}
}
w.WriteHeader(200)
_, err := w.Write([]byte(payload))
if err != nil {
t.Fatal(err)
}
}))
opts := baseTestOptions()
opts.Upstreams = append(opts.Upstreams, providerServer.URL)
opts.Cookie.Secure = false
opts.PassBasicAuth = true
opts.SetBasicAuth = true
opts.PassUserHeaders = true
opts.PreferEmailToUser = true
opts.BasicAuthPassword = "This is a secure password"
err := validation.Validate(opts)
assert.NoError(t, err)
providerURL, _ := url.Parse(providerServer.URL)
const emailAddress = "john.doe@example.com"
opts.SetProvider(NewTestProvider(providerURL, emailAddress))
proxy, err := NewOAuthProxy(opts, func(email string) bool {
return email == emailAddress
})
if err != nil {
t.Fatal(err)
}
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/oauth2/callback?code=callback_code&state=nonce:", strings.NewReader(""))
req.AddCookie(proxy.MakeCSRFCookie(req, "nonce", proxy.CookieExpire, time.Now()))
proxy.ServeHTTP(rw, req)
if rw.Code >= 400 {
t.Fatalf("expected 3xx got %d", rw.Code)
}
cookie := rw.Header().Values("Set-Cookie")[1]
cookieName := proxy.CookieName
var value string
keyPrefix := cookieName + "="
for _, field := range strings.Split(cookie, "; ") {
value = strings.TrimPrefix(field, keyPrefix)
if value != field {
break
} else {
value = ""
}
}
req, _ = http.NewRequest("GET", "/", strings.NewReader(""))
req.AddCookie(&http.Cookie{
Name: cookieName,
Value: value,
Path: "/",
Expires: time.Now().Add(time.Duration(24)),
HttpOnly: true,
})
req.AddCookie(proxy.MakeCSRFCookie(req, "nonce", proxy.CookieExpire, time.Now()))
rw = httptest.NewRecorder()
proxy.ServeHTTP(rw, req)
// The username in the basic auth credentials is expected to be equal to the email address from the
// auth response, so we use the same variable here.
expectedHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte(emailAddress+":"+opts.BasicAuthPassword))
assert.Equal(t, expectedHeader, rw.Body.String())
providerServer.Close()
}
func TestBasicAuthWithEmail(t *testing.T) {
opts := baseTestOptions()
opts.PassBasicAuth = true
opts.PassUserHeaders = false
opts.PreferEmailToUser = false
opts.BasicAuthPassword = "This is a secure password"
err := validation.Validate(opts)
assert.NoError(t, err)
const emailAddress = "john.doe@example.com"
const userName = "9fcab5c9b889a557"
// The username in the basic auth credentials is expected to be equal to the email address from the
expectedEmailHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte(emailAddress+":"+opts.BasicAuthPassword))
expectedUserHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte(userName+":"+opts.BasicAuthPassword))
created := time.Now()
session := &sessions.SessionState{
User: userName,
Email: emailAddress,
AccessToken: "oauth_token",
CreatedAt: &created,
}
{
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", opts.ProxyPrefix+"/testCase0", nil)
proxy, err := NewOAuthProxy(opts, func(email string) bool {
return email == emailAddress
})
if err != nil {
t.Fatal(err)
}
proxy.addHeadersForProxying(rw, req, session)
assert.Equal(t, expectedUserHeader, req.Header["Authorization"][0])
assert.Equal(t, userName, req.Header["X-Forwarded-User"][0])
}
opts.PreferEmailToUser = true
{
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", opts.ProxyPrefix+"/testCase1", nil)
proxy, err := NewOAuthProxy(opts, func(email string) bool {
return email == emailAddress
})
if err != nil {
t.Fatal(err)
}
proxy.addHeadersForProxying(rw, req, session)
assert.Equal(t, expectedEmailHeader, req.Header["Authorization"][0])
assert.Equal(t, emailAddress, req.Header["X-Forwarded-User"][0])
}
}
func TestPassUserHeadersWithEmail(t *testing.T) {
opts := baseTestOptions()
err := validation.Validate(opts)
assert.NoError(t, err)
const emailAddress = "john.doe@example.com"
const userName = "9fcab5c9b889a557"
created := time.Now()
session := &sessions.SessionState{
User: userName,
Email: emailAddress,
AccessToken: "oauth_token",
CreatedAt: &created,
}
{
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", opts.ProxyPrefix+"/testCase0", nil)
proxy, err := NewOAuthProxy(opts, func(email string) bool {
return email == emailAddress
})
if err != nil {
t.Fatal(err)
}
proxy.addHeadersForProxying(rw, req, session)
assert.Equal(t, userName, req.Header["X-Forwarded-User"][0])
}
opts.PreferEmailToUser = true
{
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", opts.ProxyPrefix+"/testCase1", nil)
proxy, err := NewOAuthProxy(opts, func(email string) bool {
return email == emailAddress
})
if err != nil {
t.Fatal(err)
}
proxy.addHeadersForProxying(rw, req, session)
assert.Equal(t, emailAddress, req.Header["X-Forwarded-User"][0])
}
}
func TestStripAuthHeaders(t *testing.T) {
testCases := map[string]struct {
SkipAuthStripHeaders bool
PassBasicAuth bool
PassUserHeaders bool
PassAccessToken bool
PassAuthorization bool
StrippedHeaders map[string]bool
}{
"Default options": {
SkipAuthStripHeaders: true,
PassBasicAuth: true,
PassUserHeaders: true,
PassAccessToken: false,
PassAuthorization: false,
StrippedHeaders: map[string]bool{
"X-Forwarded-User": true,
"X-Forwarded-Email": true,
"X-Forwarded-Preferred-Username": true,
"X-Forwarded-Access-Token": false,
"Authorization": true,
},
},
"Pass access token": {
SkipAuthStripHeaders: true,
PassBasicAuth: true,
PassUserHeaders: true,
PassAccessToken: true,
PassAuthorization: false,
StrippedHeaders: map[string]bool{
"X-Forwarded-User": true,
"X-Forwarded-Email": true,
"X-Forwarded-Preferred-Username": true,
"X-Forwarded-Access-Token": true,
"Authorization": true,
},
},
"Nothing setting Authorization": {
SkipAuthStripHeaders: true,
PassBasicAuth: false,
PassUserHeaders: true,
PassAccessToken: true,
PassAuthorization: false,
StrippedHeaders: map[string]bool{
"X-Forwarded-User": true,
"X-Forwarded-Email": true,
"X-Forwarded-Preferred-Username": true,
"X-Forwarded-Access-Token": true,
"Authorization": false,
},
},
"Only Authorization header modified": {
SkipAuthStripHeaders: true,
PassBasicAuth: false,
PassUserHeaders: false,
PassAccessToken: false,
PassAuthorization: true,
StrippedHeaders: map[string]bool{
"X-Forwarded-User": false,
"X-Forwarded-Email": false,
"X-Forwarded-Preferred-Username": false,
"X-Forwarded-Access-Token": false,
"Authorization": true,
},
},
"Don't strip any headers (default options)": {
SkipAuthStripHeaders: false,
PassBasicAuth: true,
PassUserHeaders: true,
PassAccessToken: false,
PassAuthorization: false,
StrippedHeaders: map[string]bool{
"X-Forwarded-User": false,
"X-Forwarded-Email": false,
"X-Forwarded-Preferred-Username": false,
"X-Forwarded-Access-Token": false,
"Authorization": false,
},
},
"Don't strip any headers (custom options)": {
SkipAuthStripHeaders: false,
PassBasicAuth: true,
PassUserHeaders: true,
PassAccessToken: true,
PassAuthorization: false,
StrippedHeaders: map[string]bool{
"X-Forwarded-User": false,
"X-Forwarded-Email": false,
"X-Forwarded-Preferred-Username": false,
"X-Forwarded-Access-Token": false,
"Authorization": false,
},
},
}
initialHeaders := map[string]string{
"X-Forwarded-User": "9fcab5c9b889a557",
"X-Forwarded-Email": "john.doe@example.com",
"X-Forwarded-Preferred-Username": "john.doe",
"X-Forwarded-Access-Token": "AccessToken",
"Authorization": "bearer IDToken",
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
opts := baseTestOptions()
opts.SkipAuthStripHeaders = tc.SkipAuthStripHeaders
opts.PassBasicAuth = tc.PassBasicAuth
opts.PassUserHeaders = tc.PassUserHeaders
opts.PassAccessToken = tc.PassAccessToken
opts.PassAuthorization = tc.PassAuthorization
err := validation.Validate(opts)
assert.NoError(t, err)
req, _ := http.NewRequest("GET", fmt.Sprintf("%s/testCase", opts.ProxyPrefix), nil)
for header, val := range initialHeaders {
req.Header.Set(header, val)
}
proxy, err := NewOAuthProxy(opts, func(_ string) bool { return true })
assert.NoError(t, err)
if proxy.skipAuthStripHeaders {
proxy.stripAuthHeaders(req)
}
for header, stripped := range tc.StrippedHeaders {
if stripped {
assert.Equal(t, req.Header.Get(header), "")
} else {
assert.Equal(t, req.Header.Get(header), initialHeaders[header])
}
}
})
}
}
type PassAccessTokenTest struct {
providerServer *httptest.Server
proxy *OAuthProxy
opts *options.Options
}
type PassAccessTokenTestOptions struct {
PassAccessToken bool
ProxyUpstream string
}
func NewPassAccessTokenTest(opts PassAccessTokenTestOptions) (*PassAccessTokenTest, error) {
patt := &PassAccessTokenTest{}
patt.providerServer = httptest.NewServer(
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var payload string
switch r.URL.Path {
case "/oauth/token":
payload = `{"access_token": "my_auth_token"}`
default:
payload = r.Header.Get("X-Forwarded-Access-Token")
if payload == "" {
payload = "No access token found."
}
}
w.WriteHeader(200)
_, err := w.Write([]byte(payload))
if err != nil {
panic(err)
}
}))
patt.opts = baseTestOptions()
patt.opts.Upstreams = append(patt.opts.Upstreams, patt.providerServer.URL)
if opts.ProxyUpstream != "" {
patt.opts.Upstreams = append(patt.opts.Upstreams, opts.ProxyUpstream)
}
patt.opts.Cookie.Secure = false
patt.opts.PassAccessToken = opts.PassAccessToken
err := validation.Validate(patt.opts)
if err != nil {
return nil, err
}
providerURL, _ := url.Parse(patt.providerServer.URL)
const emailAddress = "michael.bland@gsa.gov"
patt.opts.SetProvider(NewTestProvider(providerURL, emailAddress))
patt.proxy, err = NewOAuthProxy(patt.opts, func(email string) bool {
return email == emailAddress
})
if err != nil {
return nil, err
}
return patt, nil
}
func (patTest *PassAccessTokenTest) Close() {
patTest.providerServer.Close()
}
func (patTest *PassAccessTokenTest) getCallbackEndpoint() (httpCode int,
cookie string) {
rw := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/oauth2/callback?code=callback_code&state=nonce:",
strings.NewReader(""))
if err != nil {
return 0, ""
}
req.AddCookie(patTest.proxy.MakeCSRFCookie(req, "nonce", time.Hour, time.Now()))
patTest.proxy.ServeHTTP(rw, req)
return rw.Code, rw.Header().Values("Set-Cookie")[1]
}
// getEndpointWithCookie makes a requests againt the oauthproxy with passed requestPath
// and cookie and returns body and status code.
func (patTest *PassAccessTokenTest) getEndpointWithCookie(cookie string, endpoint string) (httpCode int, accessToken string) {
cookieName := patTest.proxy.CookieName
var value string
keyPrefix := cookieName + "="
for _, field := range strings.Split(cookie, "; ") {
value = strings.TrimPrefix(field, keyPrefix)
if value != field {
break
} else {
value = ""
}
}
if value == "" {
return 0, ""
}
req, err := http.NewRequest("GET", endpoint, strings.NewReader(""))
if err != nil {
return 0, ""
}
req.AddCookie(&http.Cookie{
Name: cookieName,
Value: value,
Path: "/",
Expires: time.Now().Add(time.Duration(24)),
HttpOnly: true,
})
rw := httptest.NewRecorder()
patTest.proxy.ServeHTTP(rw, req)
return rw.Code, rw.Body.String()
}
func TestForwardAccessTokenUpstream(t *testing.T) {
patTest, err := NewPassAccessTokenTest(PassAccessTokenTestOptions{
PassAccessToken: true,
})
if err != nil {
t.Fatal(err)
}
t.Cleanup(patTest.Close)
// A successful validation will redirect and set the auth cookie.
code, cookie := patTest.getCallbackEndpoint()
if code != 302 {
t.Fatalf("expected 302; got %d", code)
}
assert.NotNil(t, cookie)
// Now we make a regular request; the access_token from the cookie is
// forwarded as the "X-Forwarded-Access-Token" header. The token is
// read by the test provider server and written in the response body.
code, payload := patTest.getEndpointWithCookie(cookie, "/")
if code != 200 {
t.Fatalf("expected 200; got %d", code)
}
assert.Equal(t, "my_auth_token", payload)
}
func TestStaticProxyUpstream(t *testing.T) {
patTest, err := NewPassAccessTokenTest(PassAccessTokenTestOptions{
PassAccessToken: true,
ProxyUpstream: "static://200/static-proxy",
})
if err != nil {
t.Fatal(err)
}
t.Cleanup(patTest.Close)
// A successful validation will redirect and set the auth cookie.
code, cookie := patTest.getCallbackEndpoint()
if code != 302 {
t.Fatalf("expected 302; got %d", code)
}
assert.NotEqual(t, nil, cookie)
// Now we make a regular request against the upstream proxy; And validate
// the returned status code through the static proxy.
code, payload := patTest.getEndpointWithCookie(cookie, "/static-proxy")
if code != 200 {
t.Fatalf("expected 200; got %d", code)
}
assert.Equal(t, "Authenticated", payload)
}
func TestDoNotForwardAccessTokenUpstream(t *testing.T) {
patTest, err := NewPassAccessTokenTest(PassAccessTokenTestOptions{
PassAccessToken: false,
})
if err != nil {
t.Fatal(err)
}
t.Cleanup(patTest.Close)
// A successful validation will redirect and set the auth cookie.
code, cookie := patTest.getCallbackEndpoint()
if code != 302 {
t.Fatalf("expected 302; got %d", code)
}
assert.NotEqual(t, nil, cookie)
// Now we make a regular request, but the access token header should
// not be present.
code, payload := patTest.getEndpointWithCookie(cookie, "/")
if code != 200 {
t.Fatalf("expected 200; got %d", code)
}
assert.Equal(t, "No access token found.", payload)
}
type SignInPageTest struct {
opts *options.Options
proxy *OAuthProxy
signInRegexp *regexp.Regexp
signInProviderRegexp *regexp.Regexp
}
const signInRedirectPattern = `<input type="hidden" name="rd" value="(.*)">`
const signInSkipProvider = `>Found<`
func NewSignInPageTest(skipProvider bool) (*SignInPageTest, error) {
var sipTest SignInPageTest
sipTest.opts = baseTestOptions()
sipTest.opts.SkipProviderButton = skipProvider
err := validation.Validate(sipTest.opts)
if err != nil {
return nil, err
}
sipTest.proxy, err = NewOAuthProxy(sipTest.opts, func(email string) bool {
return true
})
if err != nil {
return nil, err
}
sipTest.signInRegexp = regexp.MustCompile(signInRedirectPattern)
sipTest.signInProviderRegexp = regexp.MustCompile(signInSkipProvider)
return &sipTest, nil
}
func (sipTest *SignInPageTest) GetEndpoint(endpoint string) (int, string) {
rw := httptest.NewRecorder()
req, _ := http.NewRequest("GET", endpoint, strings.NewReader(""))
sipTest.proxy.ServeHTTP(rw, req)
return rw.Code, rw.Body.String()
}
func TestSignInPageIncludesTargetRedirect(t *testing.T) {
sipTest, err := NewSignInPageTest(false)
if err != nil {
t.Fatal(err)
}
const endpoint = "/some/random/endpoint"
code, body := sipTest.GetEndpoint(endpoint)
assert.Equal(t, 403, code)
match := sipTest.signInRegexp.FindStringSubmatch(body)
if match == nil {
t.Fatal("Did not find pattern in body: " +
signInRedirectPattern + "\nBody:\n" + body)
}
if match[1] != endpoint {
t.Fatal(`expected redirect to "` + endpoint +
`", but was "` + match[1] + `"`)
}
}
func TestSignInPageDirectAccessRedirectsToRoot(t *testing.T) {
sipTest, err := NewSignInPageTest(false)
if err != nil {
t.Fatal(err)
}
code, body := sipTest.GetEndpoint("/oauth2/sign_in")
assert.Equal(t, 200, code)
match := sipTest.signInRegexp.FindStringSubmatch(body)
if match == nil {
t.Fatal("Did not find pattern in body: " +
signInRedirectPattern + "\nBody:\n" + body)
}
if match[1] != "/" {
t.Fatal(`expected redirect to "/", but was "` + match[1] + `"`)
}
}
func TestSignInPageSkipProvider(t *testing.T) {
sipTest, err := NewSignInPageTest(true)
if err != nil {
t.Fatal(err)
}
endpoint := "/some/random/endpoint"
code, body := sipTest.GetEndpoint(endpoint)
assert.Equal(t, 302, code)
match := sipTest.signInProviderRegexp.FindStringSubmatch(body)
if match == nil {
t.Fatal("Did not find pattern in body: " +
signInSkipProvider + "\nBody:\n" + body)
}
}
func TestSignInPageSkipProviderDirect(t *testing.T) {
sipTest, err := NewSignInPageTest(true)
if err != nil {
t.Fatal(err)
}
endpoint := "/sign_in"
code, body := sipTest.GetEndpoint(endpoint)
assert.Equal(t, 302, code)
match := sipTest.signInProviderRegexp.FindStringSubmatch(body)
if match == nil {
t.Fatal("Did not find pattern in body: " +
signInSkipProvider + "\nBody:\n" + body)
}
}
type ProcessCookieTest struct {
opts *options.Options
proxy *OAuthProxy
rw *httptest.ResponseRecorder
req *http.Request
validateUser bool
}
type ProcessCookieTestOpts struct {
providerValidateCookieResponse bool
}
type OptionsModifier func(*options.Options)
func NewProcessCookieTest(opts ProcessCookieTestOpts, modifiers ...OptionsModifier) (*ProcessCookieTest, error) {
var pcTest ProcessCookieTest
pcTest.opts = baseTestOptions()
for _, modifier := range modifiers {
modifier(pcTest.opts)
}
// First, set the CookieRefresh option so proxy.AesCipher is created,
// needed to encrypt the access_token.
pcTest.opts.Cookie.Refresh = time.Hour
err := validation.Validate(pcTest.opts)
if err != nil {
return nil, err
}
pcTest.proxy, err = NewOAuthProxy(pcTest.opts, func(email string) bool {
return pcTest.validateUser
})
if err != nil {
return nil, err
}
pcTest.proxy.provider = &TestProvider{
ValidToken: opts.providerValidateCookieResponse,
}
// Now, zero-out proxy.CookieRefresh for the cases that don't involve
// access_token validation.
pcTest.proxy.CookieRefresh = time.Duration(0)
pcTest.rw = httptest.NewRecorder()
pcTest.req, _ = http.NewRequest("GET", "/", strings.NewReader(""))
pcTest.validateUser = true
return &pcTest, nil
}
func NewProcessCookieTestWithDefaults() (*ProcessCookieTest, error) {
return NewProcessCookieTest(ProcessCookieTestOpts{
providerValidateCookieResponse: true,
})
}
func NewProcessCookieTestWithOptionsModifiers(modifiers ...OptionsModifier) (*ProcessCookieTest, error) {
return NewProcessCookieTest(ProcessCookieTestOpts{
providerValidateCookieResponse: true,
}, modifiers...)
}
func (p *ProcessCookieTest) SaveSession(s *sessions.SessionState) error {
err := p.proxy.SaveSession(p.rw, p.req, s)
if err != nil {
return err
}
for _, cookie := range p.rw.Result().Cookies() {
p.req.AddCookie(cookie)
}
return nil
}
func (p *ProcessCookieTest) LoadCookiedSession() (*sessions.SessionState, error) {
return p.proxy.LoadCookiedSession(p.req)
}
func TestLoadCookiedSession(t *testing.T) {
pcTest, err := NewProcessCookieTestWithDefaults()
if err != nil {
t.Fatal(err)
}
created := time.Now()
startSession := &sessions.SessionState{Email: "john.doe@example.com", AccessToken: "my_access_token", CreatedAt: &created}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
session, err := pcTest.LoadCookiedSession()
if err != nil {
t.Fatal(err)
}
assert.Equal(t, startSession.Email, session.Email)
assert.Equal(t, "", session.User)
assert.Equal(t, startSession.AccessToken, session.AccessToken)
}
func TestProcessCookieNoCookieError(t *testing.T) {
pcTest, err := NewProcessCookieTestWithDefaults()
if err != nil {
t.Fatal(err)
}
session, err := pcTest.LoadCookiedSession()
assert.Error(t, err, "cookie \"_oauth2_proxy\" not present")
if session != nil {
t.Errorf("expected nil session. got %#v", session)
}
}
func TestProcessCookieRefreshNotSet(t *testing.T) {
pcTest, err := NewProcessCookieTestWithOptionsModifiers(func(opts *options.Options) {
opts.Cookie.Expire = time.Duration(23) * time.Hour
})
if err != nil {
t.Fatal(err)
}
reference := time.Now().Add(time.Duration(-2) * time.Hour)
startSession := &sessions.SessionState{Email: "michael.bland@gsa.gov", AccessToken: "my_access_token", CreatedAt: &reference}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
session, err := pcTest.LoadCookiedSession()
assert.Equal(t, nil, err)
if session.Age() < time.Duration(-2)*time.Hour {
t.Errorf("cookie too young %v", session.Age())
}
assert.Equal(t, startSession.Email, session.Email)
}
func TestProcessCookieFailIfCookieExpired(t *testing.T) {
pcTest, err := NewProcessCookieTestWithOptionsModifiers(func(opts *options.Options) {
opts.Cookie.Expire = time.Duration(24) * time.Hour
})
if err != nil {
t.Fatal(err)
}
reference := time.Now().Add(time.Duration(25) * time.Hour * -1)
startSession := &sessions.SessionState{Email: "michael.bland@gsa.gov", AccessToken: "my_access_token", CreatedAt: &reference}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
session, err := pcTest.LoadCookiedSession()
assert.NotEqual(t, nil, err)
if session != nil {
t.Errorf("expected nil session %#v", session)
}
}
func TestProcessCookieFailIfRefreshSetAndCookieExpired(t *testing.T) {
pcTest, err := NewProcessCookieTestWithOptionsModifiers(func(opts *options.Options) {
opts.Cookie.Expire = time.Duration(24) * time.Hour
})
if err != nil {
t.Fatal(err)
}
reference := time.Now().Add(time.Duration(25) * time.Hour * -1)
startSession := &sessions.SessionState{Email: "michael.bland@gsa.gov", AccessToken: "my_access_token", CreatedAt: &reference}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
pcTest.proxy.CookieRefresh = time.Hour
session, err := pcTest.LoadCookiedSession()
assert.NotEqual(t, nil, err)
if session != nil {
t.Errorf("expected nil session %#v", session)
}
}
func NewUserInfoEndpointTest() (*ProcessCookieTest, error) {
pcTest, err := NewProcessCookieTestWithDefaults()
if err != nil {
return nil, err
}
pcTest.req, _ = http.NewRequest("GET",
pcTest.opts.ProxyPrefix+"/userinfo", nil)
return pcTest, nil
}
func TestUserInfoEndpointAccepted(t *testing.T) {
test, err := NewUserInfoEndpointTest()
if err != nil {
t.Fatal(err)
}
startSession := &sessions.SessionState{
Email: "john.doe@example.com", AccessToken: "my_access_token"}
err = test.SaveSession(startSession)
assert.NoError(t, err)
test.proxy.ServeHTTP(test.rw, test.req)
assert.Equal(t, http.StatusOK, test.rw.Code)
bodyBytes, _ := ioutil.ReadAll(test.rw.Body)
assert.Equal(t, "{\"email\":\"john.doe@example.com\"}\n", string(bodyBytes))
}
func TestUserInfoEndpointUnauthorizedOnNoCookieSetError(t *testing.T) {
test, err := NewUserInfoEndpointTest()
if err != nil {
t.Fatal(err)
}
test.proxy.ServeHTTP(test.rw, test.req)
assert.Equal(t, http.StatusUnauthorized, test.rw.Code)
}
func NewAuthOnlyEndpointTest(modifiers ...OptionsModifier) (*ProcessCookieTest, error) {
pcTest, err := NewProcessCookieTestWithOptionsModifiers(modifiers...)
if err != nil {
return nil, err
}
pcTest.req, _ = http.NewRequest("GET",
pcTest.opts.ProxyPrefix+"/auth", nil)
return pcTest, nil
}
func TestAuthOnlyEndpointAccepted(t *testing.T) {
test, err := NewAuthOnlyEndpointTest()
if err != nil {
t.Fatal(err)
}
created := time.Now()
startSession := &sessions.SessionState{
Email: "michael.bland@gsa.gov", AccessToken: "my_access_token", CreatedAt: &created}
err = test.SaveSession(startSession)
assert.NoError(t, err)
test.proxy.ServeHTTP(test.rw, test.req)
assert.Equal(t, http.StatusAccepted, test.rw.Code)
bodyBytes, _ := ioutil.ReadAll(test.rw.Body)
assert.Equal(t, "", string(bodyBytes))
}
func TestAuthOnlyEndpointUnauthorizedOnNoCookieSetError(t *testing.T) {
test, err := NewAuthOnlyEndpointTest()
if err != nil {
t.Fatal(err)
}
test.proxy.ServeHTTP(test.rw, test.req)
assert.Equal(t, http.StatusUnauthorized, test.rw.Code)
bodyBytes, _ := ioutil.ReadAll(test.rw.Body)
assert.Equal(t, "unauthorized request\n", string(bodyBytes))
}
func TestAuthOnlyEndpointUnauthorizedOnExpiration(t *testing.T) {
test, err := NewAuthOnlyEndpointTest(func(opts *options.Options) {
opts.Cookie.Expire = time.Duration(24) * time.Hour
})
if err != nil {
t.Fatal(err)
}
reference := time.Now().Add(time.Duration(25) * time.Hour * -1)
startSession := &sessions.SessionState{
Email: "michael.bland@gsa.gov", AccessToken: "my_access_token", CreatedAt: &reference}
err = test.SaveSession(startSession)
assert.NoError(t, err)
test.proxy.ServeHTTP(test.rw, test.req)
assert.Equal(t, http.StatusUnauthorized, test.rw.Code)
bodyBytes, _ := ioutil.ReadAll(test.rw.Body)
assert.Equal(t, "unauthorized request\n", string(bodyBytes))
}
func TestAuthOnlyEndpointUnauthorizedOnEmailValidationFailure(t *testing.T) {
test, err := NewAuthOnlyEndpointTest()
if err != nil {
t.Fatal(err)
}
created := time.Now()
startSession := &sessions.SessionState{
Email: "michael.bland@gsa.gov", AccessToken: "my_access_token", CreatedAt: &created}
err = test.SaveSession(startSession)
assert.NoError(t, err)
test.validateUser = false
test.proxy.ServeHTTP(test.rw, test.req)
assert.Equal(t, http.StatusUnauthorized, test.rw.Code)
bodyBytes, _ := ioutil.ReadAll(test.rw.Body)
assert.Equal(t, "unauthorized request\n", string(bodyBytes))
}
func TestAuthOnlyEndpointSetXAuthRequestHeaders(t *testing.T) {
var pcTest ProcessCookieTest
pcTest.opts = baseTestOptions()
pcTest.opts.SetXAuthRequest = true
err := validation.Validate(pcTest.opts)
assert.NoError(t, err)
pcTest.proxy, err = NewOAuthProxy(pcTest.opts, func(email string) bool {
return pcTest.validateUser
})
if err != nil {
t.Fatal(err)
}
pcTest.proxy.provider = &TestProvider{
ValidToken: true,
}
pcTest.validateUser = true
pcTest.rw = httptest.NewRecorder()
pcTest.req, _ = http.NewRequest("GET",
pcTest.opts.ProxyPrefix+"/auth", nil)
created := time.Now()
startSession := &sessions.SessionState{
User: "oauth_user", Email: "oauth_user@example.com", AccessToken: "oauth_token", CreatedAt: &created}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
pcTest.proxy.ServeHTTP(pcTest.rw, pcTest.req)
assert.Equal(t, http.StatusAccepted, pcTest.rw.Code)
assert.Equal(t, "oauth_user", pcTest.rw.Header().Get("X-Auth-Request-User"))
assert.Equal(t, "oauth_user@example.com", pcTest.rw.Header().Get("X-Auth-Request-Email"))
}
func TestAuthOnlyEndpointSetBasicAuthTrueRequestHeaders(t *testing.T) {
var pcTest ProcessCookieTest
pcTest.opts = baseTestOptions()
pcTest.opts.SetXAuthRequest = true
pcTest.opts.SetBasicAuth = true
err := validation.Validate(pcTest.opts)
assert.NoError(t, err)
pcTest.proxy, err = NewOAuthProxy(pcTest.opts, func(email string) bool {
return pcTest.validateUser
})
if err != nil {
t.Fatal(err)
}
pcTest.proxy.provider = &TestProvider{
ValidToken: true,
}
pcTest.validateUser = true
pcTest.rw = httptest.NewRecorder()
pcTest.req, _ = http.NewRequest("GET",
pcTest.opts.ProxyPrefix+"/auth", nil)
created := time.Now()
startSession := &sessions.SessionState{
User: "oauth_user", Email: "oauth_user@example.com", AccessToken: "oauth_token", CreatedAt: &created}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
pcTest.proxy.ServeHTTP(pcTest.rw, pcTest.req)
assert.Equal(t, http.StatusAccepted, pcTest.rw.Code)
assert.Equal(t, "oauth_user", pcTest.rw.Header().Values("X-Auth-Request-User")[0])
assert.Equal(t, "oauth_user@example.com", pcTest.rw.Header().Values("X-Auth-Request-Email")[0])
expectedHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte("oauth_user:"+pcTest.opts.BasicAuthPassword))
assert.Equal(t, expectedHeader, pcTest.rw.Header().Values("Authorization")[0])
}
func TestAuthOnlyEndpointSetBasicAuthFalseRequestHeaders(t *testing.T) {
var pcTest ProcessCookieTest
pcTest.opts = baseTestOptions()
pcTest.opts.SetXAuthRequest = true
pcTest.opts.SetBasicAuth = false
err := validation.Validate(pcTest.opts)
assert.NoError(t, err)
pcTest.proxy, err = NewOAuthProxy(pcTest.opts, func(email string) bool {
return pcTest.validateUser
})
if err != nil {
t.Fatal(err)
}
pcTest.proxy.provider = &TestProvider{
ValidToken: true,
}
pcTest.validateUser = true
pcTest.rw = httptest.NewRecorder()
pcTest.req, _ = http.NewRequest("GET",
pcTest.opts.ProxyPrefix+"/auth", nil)
created := time.Now()
startSession := &sessions.SessionState{
User: "oauth_user", Email: "oauth_user@example.com", AccessToken: "oauth_token", CreatedAt: &created}
err = pcTest.SaveSession(startSession)
assert.NoError(t, err)
pcTest.proxy.ServeHTTP(pcTest.rw, pcTest.req)
assert.Equal(t, http.StatusAccepted, pcTest.rw.Code)
assert.Equal(t, "oauth_user", pcTest.rw.Header().Values("X-Auth-Request-User")[0])
assert.Equal(t, "oauth_user@example.com", pcTest.rw.Header().Values("X-Auth-Request-Email")[0])
assert.Equal(t, 0, len(pcTest.rw.Header().Values("Authorization")), "should not have Authorization header entries")
}
func TestAuthSkippedForPreflightRequests(t *testing.T) {
upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
_, err := w.Write([]byte("response"))
if err != nil {
t.Fatal(err)
}
}))
t.Cleanup(upstream.Close)
opts := baseTestOptions()
opts.Upstreams = append(opts.Upstreams, upstream.URL)
opts.SkipAuthPreflight = true
err := validation.Validate(opts)
assert.NoError(t, err)
upstreamURL, _ := url.Parse(upstream.URL)
opts.SetProvider(NewTestProvider(upstreamURL, ""))
proxy, err := NewOAuthProxy(opts, func(string) bool { return false })
if err != nil {
t.Fatal(err)
}
rw := httptest.NewRecorder()
req, _ := http.NewRequest("OPTIONS", "/preflight-request", nil)
proxy.ServeHTTP(rw, req)
assert.Equal(t, 200, rw.Code)
assert.Equal(t, "response", rw.Body.String())
}
type SignatureAuthenticator struct {
auth hmacauth.HmacAuth
}
func (v *SignatureAuthenticator) Authenticate(w http.ResponseWriter, r *http.Request) {
result, headerSig, computedSig := v.auth.AuthenticateRequest(r)
var msg string
switch result {
case hmacauth.ResultNoSignature:
msg = "no signature received"
case hmacauth.ResultMatch:
msg = "signatures match"
case hmacauth.ResultMismatch:
msg = fmt.Sprintf(
"signatures do not match:\n received: %s\n computed: %s",
headerSig,
computedSig)
default:
panic("unknown result value: " + result.String())
}
_, err := w.Write([]byte(msg))
if err != nil {
panic(err)
}
}
type SignatureTest struct {
opts *options.Options
upstream *httptest.Server
upstreamHost string
provider *httptest.Server
header http.Header
rw *httptest.ResponseRecorder
authenticator *SignatureAuthenticator
}
func NewSignatureTest() (*SignatureTest, error) {
opts := baseTestOptions()
opts.EmailDomains = []string{"acm.org"}
authenticator := &SignatureAuthenticator{}
upstream := httptest.NewServer(
http.HandlerFunc(authenticator.Authenticate))
upstreamURL, err := url.Parse(upstream.URL)
if err != nil {
return nil, err
}
opts.Upstreams = append(opts.Upstreams, upstream.URL)
providerHandler := func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte(`{"access_token": "my_auth_token"}`))
if err != nil {
panic(err)
}
}
provider := httptest.NewServer(http.HandlerFunc(providerHandler))
providerURL, err := url.Parse(provider.URL)
if err != nil {
return nil, err
}
opts.SetProvider(NewTestProvider(providerURL, "mbland@acm.org"))
return &SignatureTest{
opts,
upstream,
upstreamURL.Host,
provider,
make(http.Header),
httptest.NewRecorder(),
authenticator,
}, nil
}
func (st *SignatureTest) Close() {
st.provider.Close()
st.upstream.Close()
}
// fakeNetConn simulates an http.Request.Body buffer that will be consumed
// when it is read by the hmacauth.HmacAuth if not handled properly. See:
// https://github.com/18F/hmacauth/pull/4
type fakeNetConn struct {
reqBody string
}
func (fnc *fakeNetConn) Read(p []byte) (n int, err error) {
if bodyLen := len(fnc.reqBody); bodyLen != 0 {
copy(p, fnc.reqBody)
fnc.reqBody = ""
return bodyLen, io.EOF
}
return 0, io.EOF
}
func (st *SignatureTest) MakeRequestWithExpectedKey(method, body, key string) error {
err := validation.Validate(st.opts)
if err != nil {
return err
}
proxy, err := NewOAuthProxy(st.opts, func(email string) bool { return true })
if err != nil {
return err
}
var bodyBuf io.ReadCloser
if body != "" {
bodyBuf = ioutil.NopCloser(&fakeNetConn{reqBody: body})
}
req := httptest.NewRequest(method, "/foo/bar", bodyBuf)
req.Header = st.header
state := &sessions.SessionState{
Email: "mbland@acm.org", AccessToken: "my_access_token"}
err = proxy.SaveSession(st.rw, req, state)
if err != nil {
return err
}
for _, c := range st.rw.Result().Cookies() {
req.AddCookie(c)
}
// This is used by the upstream to validate the signature.
st.authenticator.auth = hmacauth.NewHmacAuth(
crypto.SHA1, []byte(key), SignatureHeader, SignatureHeaders)
proxy.ServeHTTP(st.rw, req)
return nil
}
func TestRequestSignature(t *testing.T) {
testCases := map[string]struct {
method string
body string
key string
resp string
}{
"No request signature": {
method: "GET",
body: "",
key: "",
resp: "no signature received",
},
"Get request": {
method: "GET",
body: "",
key: "7d9e1aa87a5954e6f9fc59266b3af9d7c35fda2d",
resp: "signatures match",
},
"Post request": {
method: "POST",
body: `{ "hello": "world!" }`,
key: "d90df39e2d19282840252612dd7c81421a372f61",
resp: "signatures match",
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
st, err := NewSignatureTest()
if err != nil {
t.Fatal(err)
}
t.Cleanup(st.Close)
if tc.key != "" {
st.opts.SignatureKey = fmt.Sprintf("sha1:%s", tc.key)
}
err = st.MakeRequestWithExpectedKey(tc.method, tc.body, tc.key)
assert.NoError(t, err)
assert.Equal(t, 200, st.rw.Code)
assert.Equal(t, tc.resp, st.rw.Body.String())
})
}
}
func TestGetRedirect(t *testing.T) {
opts := baseTestOptions()
err := validation.Validate(opts)
assert.NoError(t, err)
require.NotEmpty(t, opts.ProxyPrefix)
proxy, err := NewOAuthProxy(opts, func(s string) bool { return false })
if err != nil {
t.Fatal(err)
}
tests := []struct {
name string
url string
expectedRedirect string
}{
{
name: "request outside of ProxyPrefix redirects to original URL",
url: "/foo/bar",
expectedRedirect: "/foo/bar",
},
{
name: "request under ProxyPrefix redirects to root",
url: proxy.ProxyPrefix + "/foo/bar",
expectedRedirect: "/",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
req, _ := http.NewRequest("GET", tt.url, nil)
redirect, err := proxy.GetRedirect(req)
assert.NoError(t, err)
assert.Equal(t, tt.expectedRedirect, redirect)
})
}
}
type ajaxRequestTest struct {
opts *options.Options
proxy *OAuthProxy
}
func newAjaxRequestTest() (*ajaxRequestTest, error) {
test := &ajaxRequestTest{}
test.opts = baseTestOptions()
err := validation.Validate(test.opts)
if err != nil {
return nil, err
}
test.proxy, err = NewOAuthProxy(test.opts, func(email string) bool {
return true
})
if err != nil {
return nil, err
}
return test, nil
}
func (test *ajaxRequestTest) getEndpoint(endpoint string, header http.Header) (int, http.Header, error) {
rw := httptest.NewRecorder()
req, err := http.NewRequest(http.MethodGet, endpoint, strings.NewReader(""))
if err != nil {
return 0, nil, err
}
req.Header = header
test.proxy.ServeHTTP(rw, req)
return rw.Code, rw.Header(), nil
}
func testAjaxUnauthorizedRequest(t *testing.T, header http.Header) {
test, err := newAjaxRequestTest()
if err != nil {
t.Fatal(err)
}
endpoint := "/test"
code, rh, err := test.getEndpoint(endpoint, header)
assert.NoError(t, err)
assert.Equal(t, http.StatusUnauthorized, code)
mime := rh.Get("Content-Type")
assert.Equal(t, applicationJSON, mime)
}
func TestAjaxUnauthorizedRequest1(t *testing.T) {
header := make(http.Header)
header.Add("accept", applicationJSON)
testAjaxUnauthorizedRequest(t, header)
}
func TestAjaxUnauthorizedRequest2(t *testing.T) {
header := make(http.Header)
header.Add("Accept", applicationJSON)
testAjaxUnauthorizedRequest(t, header)
}
func TestAjaxForbiddendRequest(t *testing.T) {
test, err := newAjaxRequestTest()
if err != nil {
t.Fatal(err)
}
endpoint := "/test"
header := make(http.Header)
code, rh, err := test.getEndpoint(endpoint, header)
assert.NoError(t, err)
assert.Equal(t, http.StatusForbidden, code)
mime := rh.Get("Content-Type")
assert.NotEqual(t, applicationJSON, mime)
}
func TestClearSplitCookie(t *testing.T) {
opts := baseTestOptions()
opts.Cookie.Secret = base64CookieSecret
opts.Cookie.Name = "oauth2"
opts.Cookie.Domains = []string{"abc"}
err := validation.Validate(opts)
assert.NoError(t, err)
store, err := sessionscookie.NewCookieSessionStore(&opts.Session, &opts.Cookie)
if err != nil {
t.Fatal(err)
}
p := OAuthProxy{CookieName: opts.Cookie.Name, CookieDomains: opts.Cookie.Domains, sessionStore: store}
var rw = httptest.NewRecorder()
req := httptest.NewRequest("get", "/", nil)
req.AddCookie(&http.Cookie{
Name: "test1",
Value: "test1",
})
req.AddCookie(&http.Cookie{
Name: "oauth2_0",
Value: "oauth2_0",
})
req.AddCookie(&http.Cookie{
Name: "oauth2_1",
Value: "oauth2_1",
})
err = p.ClearSessionCookie(rw, req)
assert.NoError(t, err)
header := rw.Header()
assert.Equal(t, 2, len(header["Set-Cookie"]), "should have 3 set-cookie header entries")
}
func TestClearSingleCookie(t *testing.T) {
opts := baseTestOptions()
opts.Cookie.Name = "oauth2"
opts.Cookie.Domains = []string{"abc"}
store, err := sessionscookie.NewCookieSessionStore(&opts.Session, &opts.Cookie)
if err != nil {
t.Fatal(err)
}
p := OAuthProxy{CookieName: opts.Cookie.Name, CookieDomains: opts.Cookie.Domains, sessionStore: store}
var rw = httptest.NewRecorder()
req := httptest.NewRequest("get", "/", nil)
req.AddCookie(&http.Cookie{
Name: "test1",
Value: "test1",
})
req.AddCookie(&http.Cookie{
Name: "oauth2",
Value: "oauth2",
})
err = p.ClearSessionCookie(rw, req)
assert.NoError(t, err)
header := rw.Header()
assert.Equal(t, 1, len(header["Set-Cookie"]), "should have 1 set-cookie header entries")
}
type NoOpKeySet struct {
}
func (NoOpKeySet) VerifySignature(ctx context.Context, jwt string) (payload []byte, err error) {
splitStrings := strings.Split(jwt, ".")
payloadString := splitStrings[1]
return base64.RawURLEncoding.DecodeString(payloadString)
}
func TestGetJwtSession(t *testing.T) {
/* token payload:
{
"sub": "1234567890",
"aud": "https://test.myapp.com",
"name": "John Doe",
"email": "john@example.com",
"iss": "https://issuer.example.com",
"iat": 1553691215,
"exp": 1912151821
}
*/
goodJwt := "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9." +
"eyJzdWIiOiIxMjM0NTY3ODkwIiwiYXVkIjoiaHR0cHM6Ly90ZXN0Lm15YXBwLmNvbSIsIm5hbWUiOiJKb2huIERvZSIsImVtY" +
"WlsIjoiam9obkBleGFtcGxlLmNvbSIsImlzcyI6Imh0dHBzOi8vaXNzdWVyLmV4YW1wbGUuY29tIiwiaWF0IjoxNTUzNjkxMj" +
"E1LCJleHAiOjE5MTIxNTE4MjF9." +
"rLVyzOnEldUq_pNkfa-WiV8TVJYWyZCaM2Am_uo8FGg11zD7l-qmz3x1seTvqpH6Y0Ty00fmv6dJnGnC8WMnPXQiodRTfhBSe" +
"OKZMu0HkMD2sg52zlKkbfLTO6ic5VnbVgwjjrB8am_Ta6w7kyFUaB5C1BsIrrLMldkWEhynbb8"
keyset := NoOpKeySet{}
verifier := oidc.NewVerifier("https://issuer.example.com", keyset,
&oidc.Config{ClientID: "https://test.myapp.com", SkipExpiryCheck: true})
test, err := NewAuthOnlyEndpointTest(func(opts *options.Options) {
opts.PassAuthorization = true
opts.SetAuthorization = true
opts.SetXAuthRequest = true
opts.SkipJwtBearerTokens = true
opts.SetJWTBearerVerifiers(append(opts.GetJWTBearerVerifiers(), verifier))
})
if err != nil {
t.Fatal(err)
}
tp, _ := test.proxy.provider.(*TestProvider)
tp.GroupValidator = func(s string) bool {
return true
}
authHeader := fmt.Sprintf("Bearer %s", goodJwt)
test.req.Header = map[string][]string{
"Authorization": {authHeader},
}
// Bearer
expires := time.Unix(1912151821, 0)
session, err := test.proxy.GetJwtSession(test.req)
assert.NoError(t, err)
assert.Equal(t, session.User, "1234567890")
assert.Equal(t, session.Email, "john@example.com")
assert.Equal(t, session.ExpiresOn, &expires)
assert.Equal(t, session.IDToken, goodJwt)
test.proxy.ServeHTTP(test.rw, test.req)
if test.rw.Code >= 400 {
t.Fatalf("expected 3xx got %d", test.rw.Code)
}
// Check PassAuthorization, should overwrite Basic header
assert.Equal(t, test.req.Header.Get("Authorization"), authHeader)
assert.Equal(t, test.req.Header.Get("X-Forwarded-User"), "1234567890")
assert.Equal(t, test.req.Header.Get("X-Forwarded-Email"), "john@example.com")
// SetAuthorization and SetXAuthRequest
assert.Equal(t, test.rw.Header().Get("Authorization"), authHeader)
assert.Equal(t, test.rw.Header().Get("X-Auth-Request-User"), "1234567890")
assert.Equal(t, test.rw.Header().Get("X-Auth-Request-Email"), "john@example.com")
}
func TestFindJwtBearerToken(t *testing.T) {
p := OAuthProxy{CookieName: "oauth2", CookieDomains: []string{"abc"}}
getReq := &http.Request{URL: &url.URL{Scheme: "http", Host: "example.com"}}
validToken := "eyJfoobar.eyJfoobar.12345asdf"
var token string
// Bearer
getReq.Header = map[string][]string{
"Authorization": {fmt.Sprintf("Bearer %s", validToken)},
}
token, err := p.findBearerToken(getReq)
assert.NoError(t, err)
assert.Equal(t, validToken, token)
// Basic - no password
getReq.SetBasicAuth(token, "")
token, err = p.findBearerToken(getReq)
assert.NoError(t, err)
assert.Equal(t, validToken, token)
// Basic - sentinel password
getReq.SetBasicAuth(token, "x-oauth-basic")
token, err = p.findBearerToken(getReq)
assert.NoError(t, err)
assert.Equal(t, validToken, token)
// Basic - any username, password matching jwt pattern
getReq.SetBasicAuth("any-username-you-could-wish-for", token)
token, err = p.findBearerToken(getReq)
assert.NoError(t, err)
assert.Equal(t, validToken, token)
failures := []string{
// Too many parts
"eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.dGVzdA.dGVzdA.dGVzdA.dGVzdA.dGVzdA",
// Not enough parts
"eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.dGVzdA.dGVzdA.dGVzdA",
// Invalid encrypted key
"eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.//////.dGVzdA.dGVzdA.dGVzdA",
// Invalid IV
"eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.dGVzdA.//////.dGVzdA.dGVzdA",
// Invalid ciphertext
"eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.dGVzdA.dGVzdA.//////.dGVzdA",
// Invalid tag
"eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.dGVzdA.dGVzdA.dGVzdA.//////",
// Invalid header
"W10.dGVzdA.dGVzdA.dGVzdA.dGVzdA",
// Invalid header
"######.dGVzdA.dGVzdA.dGVzdA.dGVzdA",
// Missing alc/enc params
"e30.dGVzdA.dGVzdA.dGVzdA.dGVzdA",
}
for _, failure := range failures {
getReq.Header = map[string][]string{
"Authorization": {fmt.Sprintf("Bearer %s", failure)},
}
_, err := p.findBearerToken(getReq)
assert.Error(t, err)
}
}
func Test_prepareNoCache(t *testing.T) {
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
prepareNoCache(w)
})
mux := http.NewServeMux()
mux.Handle("/", handler)
rec := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, "/", nil)
mux.ServeHTTP(rec, req)
for k, v := range noCacheHeaders {
assert.Equal(t, rec.Header().Get(k), v)
}
}
func Test_noCacheHeaders(t *testing.T) {
upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte("upstream"))
if err != nil {
t.Error(err)
}
}))
t.Cleanup(upstream.Close)
opts := baseTestOptions()
opts.Upstreams = []string{upstream.URL}
opts.SkipAuthRegex = []string{".*"}
err := validation.Validate(opts)
assert.NoError(t, err)
proxy, err := NewOAuthProxy(opts, func(_ string) bool { return true })
if err != nil {
t.Fatal(err)
}
t.Run("not exist in response from upstream", func(t *testing.T) {
rec := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, "/upstream", nil)
proxy.ServeHTTP(rec, req)
assert.Equal(t, http.StatusOK, rec.Code)
assert.Equal(t, "upstream", rec.Body.String())
// checking noCacheHeaders does not exists in response headers from upstream
for k := range noCacheHeaders {
assert.Equal(t, "", rec.Header().Get(k))
}
})
t.Run("has no-cache", func(t *testing.T) {
tests := []struct {
path string
hasNoCache bool
}{
{
path: "/oauth2/sign_in",
hasNoCache: true,
},
{
path: "/oauth2/sign_out",
hasNoCache: true,
},
{
path: "/oauth2/start",
hasNoCache: true,
},
{
path: "/oauth2/callback",
hasNoCache: true,
},
{
path: "/oauth2/auth",
hasNoCache: false,
},
{
path: "/oauth2/userinfo",
hasNoCache: true,
},
{
path: "/upstream",
hasNoCache: false,
},
}
for _, tt := range tests {
t.Run(tt.path, func(t *testing.T) {
rec := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, tt.path, nil)
proxy.ServeHTTP(rec, req)
cacheControl := rec.Result().Header.Get("Cache-Control")
if tt.hasNoCache != (strings.Contains(cacheControl, "no-cache")) {
t.Errorf(`unexpected "Cache-Control" header: %s`, cacheControl)
}
})
}
})
}
func baseTestOptions() *options.Options {
opts := options.NewOptions()
opts.Cookie.Secret = rawCookieSecret
opts.ClientID = clientID
opts.ClientSecret = clientSecret
opts.EmailDomains = []string{"*"}
return opts
}
func TestTrustedIPs(t *testing.T) {
tests := []struct {
name string
trustedIPs []string
reverseProxy bool
realClientIPHeader string
req *http.Request
expectTrusted bool
}{
// Check unconfigured behavior.
{
name: "Default",
trustedIPs: nil,
reverseProxy: false,
realClientIPHeader: "X-Real-IP", // Default value
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
return req
}(),
expectTrusted: false,
},
// Check using req.RemoteAddr (Options.ReverseProxy == false).
{
name: "WithRemoteAddr",
trustedIPs: []string{"127.0.0.1"},
reverseProxy: false,
realClientIPHeader: "X-Real-IP", // Default value
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "127.0.0.1:43670"
return req
}(),
expectTrusted: true,
},
// Check ignores req.RemoteAddr match when behind a reverse proxy / missing header.
{
name: "IgnoresRemoteAddrInReverseProxyMode",
trustedIPs: []string{"127.0.0.1"},
reverseProxy: true,
realClientIPHeader: "X-Real-IP", // Default value
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "127.0.0.1:44324"
return req
}(),
expectTrusted: false,
},
// Check successful trusting of localhost in IPv4.
{
name: "TrustsLocalhostInReverseProxyMode",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: true,
realClientIPHeader: "X-Forwarded-For",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", "127.0.0.1")
return req
}(),
expectTrusted: true,
},
// Check successful trusting of localhost in IPv6.
{
name: "TrustsIP6LocalostInReverseProxyMode",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: true,
realClientIPHeader: "X-Forwarded-For",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", "::1")
return req
}(),
expectTrusted: true,
},
// Check does not trust random IPv4 address.
{
name: "DoesNotTrustRandomIP4Address",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: true,
realClientIPHeader: "X-Forwarded-For",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", "12.34.56.78")
return req
}(),
expectTrusted: false,
},
// Check does not trust random IPv6 address.
{
name: "DoesNotTrustRandomIP6Address",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: true,
realClientIPHeader: "X-Forwarded-For",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", "::2")
return req
}(),
expectTrusted: false,
},
// Check respects correct header.
{
name: "RespectsCorrectHeaderInReverseProxyMode",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: true,
realClientIPHeader: "X-Forwarded-For",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Real-IP", "::1")
return req
}(),
expectTrusted: false,
},
// Check doesn't trust if garbage is provided.
{
name: "DoesNotTrustGarbageInReverseProxyMode",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: true,
realClientIPHeader: "X-Forwarded-For",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", "adsfljk29242as!!")
return req
}(),
expectTrusted: false,
},
// Check doesn't trust if garbage is provided (no reverse-proxy).
{
name: "DoesNotTrustGarbage",
trustedIPs: []string{"127.0.0.0/8", "::1"},
reverseProxy: false,
realClientIPHeader: "X-Real-IP",
req: func() *http.Request {
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "adsfljk29242as!!"
return req
}(),
expectTrusted: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
opts := baseTestOptions()
opts.Upstreams = []string{"static://200"}
opts.TrustedIPs = tt.trustedIPs
opts.ReverseProxy = tt.reverseProxy
opts.RealClientIPHeader = tt.realClientIPHeader
validation.Validate(opts)
proxy, err := NewOAuthProxy(opts, func(string) bool { return true })
assert.NoError(t, err)
rw := httptest.NewRecorder()
proxy.ServeHTTP(rw, tt.req)
if tt.expectTrusted {
assert.Equal(t, 200, rw.Code)
} else {
assert.Equal(t, 403, rw.Code)
}
})
}
}
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