15881: Move Google, SSO, and PAM configs into their own sections.
[arvados.git] / lib / controller / localdb / login_google_test.go
1 // Copyright (C) The Arvados Authors. All rights reserved.
2 //
3 // SPDX-License-Identifier: AGPL-3.0
4
5 package localdb
6
7 import (
8         "bytes"
9         "context"
10         "crypto/rand"
11         "crypto/rsa"
12         "encoding/json"
13         "fmt"
14         "net/http"
15         "net/http/httptest"
16         "net/url"
17         "sort"
18         "strings"
19         "testing"
20         "time"
21
22         "git.arvados.org/arvados.git/lib/config"
23         "git.arvados.org/arvados.git/lib/controller/rpc"
24         "git.arvados.org/arvados.git/sdk/go/arvados"
25         "git.arvados.org/arvados.git/sdk/go/arvadostest"
26         "git.arvados.org/arvados.git/sdk/go/auth"
27         "git.arvados.org/arvados.git/sdk/go/ctxlog"
28         check "gopkg.in/check.v1"
29         jose "gopkg.in/square/go-jose.v2"
30 )
31
32 // Gocheck boilerplate
33 func Test(t *testing.T) {
34         check.TestingT(t)
35 }
36
37 var _ = check.Suite(&LoginSuite{})
38
39 type LoginSuite struct {
40         cluster               *arvados.Cluster
41         ctx                   context.Context
42         localdb               *Conn
43         railsSpy              *arvadostest.Proxy
44         fakeIssuer            *httptest.Server
45         fakePeopleAPI         *httptest.Server
46         fakePeopleAPIResponse map[string]interface{}
47         issuerKey             *rsa.PrivateKey
48
49         // expected token request
50         validCode string
51         // desired response from token endpoint
52         authEmail         string
53         authEmailVerified bool
54         authName          string
55 }
56
57 func (s *LoginSuite) TearDownSuite(c *check.C) {
58         // Undo any changes/additions to the user database so they
59         // don't affect subsequent tests.
60         arvadostest.ResetEnv()
61         c.Check(arvados.NewClientFromEnv().RequestAndDecode(nil, "POST", "database/reset", nil, nil), check.IsNil)
62 }
63
64 func (s *LoginSuite) SetUpTest(c *check.C) {
65         var err error
66         s.issuerKey, err = rsa.GenerateKey(rand.Reader, 2048)
67         c.Assert(err, check.IsNil)
68
69         s.authEmail = "active-user@arvados.local"
70         s.authEmailVerified = true
71         s.authName = "Fake User Name"
72         s.fakeIssuer = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
73                 req.ParseForm()
74                 c.Logf("fakeIssuer: got req: %s %s %s", req.Method, req.URL, req.Form)
75                 w.Header().Set("Content-Type", "application/json")
76                 switch req.URL.Path {
77                 case "/.well-known/openid-configuration":
78                         json.NewEncoder(w).Encode(map[string]interface{}{
79                                 "issuer":                 s.fakeIssuer.URL,
80                                 "authorization_endpoint": s.fakeIssuer.URL + "/auth",
81                                 "token_endpoint":         s.fakeIssuer.URL + "/token",
82                                 "jwks_uri":               s.fakeIssuer.URL + "/jwks",
83                                 "userinfo_endpoint":      s.fakeIssuer.URL + "/userinfo",
84                         })
85                 case "/token":
86                         if req.Form.Get("code") != s.validCode || s.validCode == "" {
87                                 w.WriteHeader(http.StatusUnauthorized)
88                                 return
89                         }
90                         idToken, _ := json.Marshal(map[string]interface{}{
91                                 "iss":            s.fakeIssuer.URL,
92                                 "aud":            []string{"test%client$id"},
93                                 "sub":            "fake-user-id",
94                                 "exp":            time.Now().UTC().Add(time.Minute).UnixNano(),
95                                 "iat":            time.Now().UTC().UnixNano(),
96                                 "nonce":          "fake-nonce",
97                                 "email":          s.authEmail,
98                                 "email_verified": s.authEmailVerified,
99                                 "name":           s.authName,
100                         })
101                         json.NewEncoder(w).Encode(struct {
102                                 AccessToken  string `json:"access_token"`
103                                 TokenType    string `json:"token_type"`
104                                 RefreshToken string `json:"refresh_token"`
105                                 ExpiresIn    int32  `json:"expires_in"`
106                                 IDToken      string `json:"id_token"`
107                         }{
108                                 AccessToken:  s.fakeToken(c, []byte("fake access token")),
109                                 TokenType:    "Bearer",
110                                 RefreshToken: "test-refresh-token",
111                                 ExpiresIn:    30,
112                                 IDToken:      s.fakeToken(c, idToken),
113                         })
114                 case "/jwks":
115                         json.NewEncoder(w).Encode(jose.JSONWebKeySet{
116                                 Keys: []jose.JSONWebKey{
117                                         {Key: s.issuerKey.Public(), Algorithm: string(jose.RS256), KeyID: ""},
118                                 },
119                         })
120                 case "/auth":
121                         w.WriteHeader(http.StatusInternalServerError)
122                 case "/userinfo":
123                         w.WriteHeader(http.StatusInternalServerError)
124                 default:
125                         w.WriteHeader(http.StatusNotFound)
126                 }
127         }))
128         s.validCode = fmt.Sprintf("abcdefgh-%d", time.Now().Unix())
129
130         s.fakePeopleAPI = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
131                 req.ParseForm()
132                 c.Logf("fakePeopleAPI: got req: %s %s %s", req.Method, req.URL, req.Form)
133                 w.Header().Set("Content-Type", "application/json")
134                 switch req.URL.Path {
135                 case "/v1/people/me":
136                         if f := req.Form.Get("personFields"); f != "emailAddresses,names" {
137                                 w.WriteHeader(http.StatusBadRequest)
138                                 break
139                         }
140                         json.NewEncoder(w).Encode(s.fakePeopleAPIResponse)
141                 default:
142                         w.WriteHeader(http.StatusNotFound)
143                 }
144         }))
145         s.fakePeopleAPIResponse = map[string]interface{}{}
146
147         cfg, err := config.NewLoader(nil, ctxlog.TestLogger(c)).Load()
148         s.cluster, err = cfg.GetCluster("")
149         s.cluster.Login.SSO.Enable = false
150         s.cluster.Login.Google.Enable = true
151         s.cluster.Login.Google.ClientID = "test%client$id"
152         s.cluster.Login.Google.ClientSecret = "test#client/secret"
153         s.cluster.Users.PreferDomainForUsername = "PreferDomainForUsername.example.com"
154         c.Assert(err, check.IsNil)
155
156         s.localdb = NewConn(s.cluster)
157         s.localdb.loginController.(*googleLoginController).issuer = s.fakeIssuer.URL
158         s.localdb.loginController.(*googleLoginController).peopleAPIBasePath = s.fakePeopleAPI.URL
159
160         s.railsSpy = arvadostest.NewProxy(c, s.cluster.Services.RailsAPI)
161         *s.localdb.railsProxy = *rpc.NewConn(s.cluster.ClusterID, s.railsSpy.URL, true, rpc.PassthroughTokenProvider)
162 }
163
164 func (s *LoginSuite) TearDownTest(c *check.C) {
165         s.railsSpy.Close()
166 }
167
168 func (s *LoginSuite) TestGoogleLogout(c *check.C) {
169         resp, err := s.localdb.Logout(context.Background(), arvados.LogoutOptions{ReturnTo: "https://foo.example.com/bar"})
170         c.Check(err, check.IsNil)
171         c.Check(resp.RedirectLocation, check.Equals, "https://foo.example.com/bar")
172 }
173
174 func (s *LoginSuite) TestGoogleLogin_Start_Bogus(c *check.C) {
175         resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{})
176         c.Check(err, check.IsNil)
177         c.Check(resp.RedirectLocation, check.Equals, "")
178         c.Check(resp.HTML.String(), check.Matches, `.*missing return_to parameter.*`)
179 }
180
181 func (s *LoginSuite) TestGoogleLogin_Start(c *check.C) {
182         for _, remote := range []string{"", "zzzzz"} {
183                 resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{Remote: remote, ReturnTo: "https://app.example.com/foo?bar"})
184                 c.Check(err, check.IsNil)
185                 target, err := url.Parse(resp.RedirectLocation)
186                 c.Check(err, check.IsNil)
187                 issuerURL, _ := url.Parse(s.fakeIssuer.URL)
188                 c.Check(target.Host, check.Equals, issuerURL.Host)
189                 q := target.Query()
190                 c.Check(q.Get("client_id"), check.Equals, "test%client$id")
191                 state := s.localdb.loginController.(*googleLoginController).parseOAuth2State(q.Get("state"))
192                 c.Check(state.verify([]byte(s.cluster.SystemRootToken)), check.Equals, true)
193                 c.Check(state.Time, check.Not(check.Equals), 0)
194                 c.Check(state.Remote, check.Equals, remote)
195                 c.Check(state.ReturnTo, check.Equals, "https://app.example.com/foo?bar")
196         }
197 }
198
199 func (s *LoginSuite) TestGoogleLogin_InvalidCode(c *check.C) {
200         state := s.startLogin(c)
201         resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{
202                 Code:  "first-try-a-bogus-code",
203                 State: state,
204         })
205         c.Check(err, check.IsNil)
206         c.Check(resp.RedirectLocation, check.Equals, "")
207         c.Check(resp.HTML.String(), check.Matches, `(?ms).*error in OAuth2 exchange.*cannot fetch token.*`)
208 }
209
210 func (s *LoginSuite) TestGoogleLogin_InvalidState(c *check.C) {
211         s.startLogin(c)
212         resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{
213                 Code:  s.validCode,
214                 State: "bogus-state",
215         })
216         c.Check(err, check.IsNil)
217         c.Check(resp.RedirectLocation, check.Equals, "")
218         c.Check(resp.HTML.String(), check.Matches, `(?ms).*invalid OAuth2 state.*`)
219 }
220
221 func (s *LoginSuite) setupPeopleAPIError(c *check.C) {
222         s.fakePeopleAPI = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
223                 w.WriteHeader(http.StatusForbidden)
224                 fmt.Fprintln(w, `Error 403: accessNotConfigured`)
225         }))
226         s.localdb.loginController.(*googleLoginController).peopleAPIBasePath = s.fakePeopleAPI.URL
227 }
228
229 func (s *LoginSuite) TestGoogleLogin_PeopleAPIDisabled(c *check.C) {
230         s.cluster.Login.Google.AlternateEmailAddresses = false
231         s.authEmail = "joe.smith@primary.example.com"
232         s.setupPeopleAPIError(c)
233         state := s.startLogin(c)
234         _, err := s.localdb.Login(context.Background(), arvados.LoginOptions{
235                 Code:  s.validCode,
236                 State: state,
237         })
238         c.Check(err, check.IsNil)
239         authinfo := getCallbackAuthInfo(c, s.railsSpy)
240         c.Check(authinfo.Email, check.Equals, "joe.smith@primary.example.com")
241 }
242
243 func (s *LoginSuite) TestGoogleLogin_PeopleAPIError(c *check.C) {
244         s.setupPeopleAPIError(c)
245         state := s.startLogin(c)
246         resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{
247                 Code:  s.validCode,
248                 State: state,
249         })
250         c.Check(err, check.IsNil)
251         c.Check(resp.RedirectLocation, check.Equals, "")
252 }
253
254 func (s *LoginSuite) TestGoogleLogin_Success(c *check.C) {
255         state := s.startLogin(c)
256         resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{
257                 Code:  s.validCode,
258                 State: state,
259         })
260         c.Check(err, check.IsNil)
261         c.Check(resp.HTML.String(), check.Equals, "")
262         target, err := url.Parse(resp.RedirectLocation)
263         c.Check(err, check.IsNil)
264         c.Check(target.Host, check.Equals, "app.example.com")
265         c.Check(target.Path, check.Equals, "/foo")
266         token := target.Query().Get("api_token")
267         c.Check(token, check.Matches, `v2/zzzzz-gj3su-.{15}/.{32,50}`)
268
269         authinfo := getCallbackAuthInfo(c, s.railsSpy)
270         c.Check(authinfo.FirstName, check.Equals, "Fake User")
271         c.Check(authinfo.LastName, check.Equals, "Name")
272         c.Check(authinfo.Email, check.Equals, "active-user@arvados.local")
273         c.Check(authinfo.AlternateEmails, check.HasLen, 0)
274
275         // Try using the returned Arvados token.
276         c.Logf("trying an API call with new token %q", token)
277         ctx := auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{token}})
278         cl, err := s.localdb.CollectionList(ctx, arvados.ListOptions{Limit: -1})
279         c.Check(cl.ItemsAvailable, check.Not(check.Equals), 0)
280         c.Check(cl.Items, check.Not(check.HasLen), 0)
281         c.Check(err, check.IsNil)
282
283         // Might as well check that bogus tokens aren't accepted.
284         badtoken := token + "plussomeboguschars"
285         c.Logf("trying an API call with mangled token %q", badtoken)
286         ctx = auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{badtoken}})
287         cl, err = s.localdb.CollectionList(ctx, arvados.ListOptions{Limit: -1})
288         c.Check(cl.Items, check.HasLen, 0)
289         c.Check(err, check.NotNil)
290         c.Check(err, check.ErrorMatches, `.*401 Unauthorized: Not logged in.*`)
291 }
292
293 func (s *LoginSuite) TestGoogleLogin_RealName(c *check.C) {
294         s.authEmail = "joe.smith@primary.example.com"
295         s.fakePeopleAPIResponse = map[string]interface{}{
296                 "names": []map[string]interface{}{
297                         {
298                                 "metadata":   map[string]interface{}{"primary": false},
299                                 "givenName":  "Joe",
300                                 "familyName": "Smith",
301                         },
302                         {
303                                 "metadata":   map[string]interface{}{"primary": true},
304                                 "givenName":  "Joseph",
305                                 "familyName": "Psmith",
306                         },
307                 },
308         }
309         state := s.startLogin(c)
310         s.localdb.Login(context.Background(), arvados.LoginOptions{
311                 Code:  s.validCode,
312                 State: state,
313         })
314
315         authinfo := getCallbackAuthInfo(c, s.railsSpy)
316         c.Check(authinfo.FirstName, check.Equals, "Joseph")
317         c.Check(authinfo.LastName, check.Equals, "Psmith")
318 }
319
320 func (s *LoginSuite) TestGoogleLogin_OIDCRealName(c *check.C) {
321         s.authName = "Joe P. Smith"
322         s.authEmail = "joe.smith@primary.example.com"
323         state := s.startLogin(c)
324         s.localdb.Login(context.Background(), arvados.LoginOptions{
325                 Code:  s.validCode,
326                 State: state,
327         })
328
329         authinfo := getCallbackAuthInfo(c, s.railsSpy)
330         c.Check(authinfo.FirstName, check.Equals, "Joe P.")
331         c.Check(authinfo.LastName, check.Equals, "Smith")
332 }
333
334 // People API returns some additional email addresses.
335 func (s *LoginSuite) TestGoogleLogin_AlternateEmailAddresses(c *check.C) {
336         s.authEmail = "joe.smith@primary.example.com"
337         s.fakePeopleAPIResponse = map[string]interface{}{
338                 "emailAddresses": []map[string]interface{}{
339                         {
340                                 "metadata": map[string]interface{}{"verified": true},
341                                 "value":    "joe.smith@work.example.com",
342                         },
343                         {
344                                 "value": "joe.smith@unverified.example.com", // unverified, so this one will be ignored
345                         },
346                         {
347                                 "metadata": map[string]interface{}{"verified": true},
348                                 "value":    "joe.smith@home.example.com",
349                         },
350                 },
351         }
352         state := s.startLogin(c)
353         s.localdb.Login(context.Background(), arvados.LoginOptions{
354                 Code:  s.validCode,
355                 State: state,
356         })
357
358         authinfo := getCallbackAuthInfo(c, s.railsSpy)
359         c.Check(authinfo.Email, check.Equals, "joe.smith@primary.example.com")
360         c.Check(authinfo.AlternateEmails, check.DeepEquals, []string{"joe.smith@home.example.com", "joe.smith@work.example.com"})
361 }
362
363 // Primary address is not the one initially returned by oidc.
364 func (s *LoginSuite) TestGoogleLogin_AlternateEmailAddresses_Primary(c *check.C) {
365         s.authEmail = "joe.smith@alternate.example.com"
366         s.fakePeopleAPIResponse = map[string]interface{}{
367                 "emailAddresses": []map[string]interface{}{
368                         {
369                                 "metadata": map[string]interface{}{"verified": true, "primary": true},
370                                 "value":    "joe.smith@primary.example.com",
371                         },
372                         {
373                                 "metadata": map[string]interface{}{"verified": true},
374                                 "value":    "joe.smith@alternate.example.com",
375                         },
376                         {
377                                 "metadata": map[string]interface{}{"verified": true},
378                                 "value":    "jsmith+123@preferdomainforusername.example.com",
379                         },
380                 },
381         }
382         state := s.startLogin(c)
383         s.localdb.Login(context.Background(), arvados.LoginOptions{
384                 Code:  s.validCode,
385                 State: state,
386         })
387         authinfo := getCallbackAuthInfo(c, s.railsSpy)
388         c.Check(authinfo.Email, check.Equals, "joe.smith@primary.example.com")
389         c.Check(authinfo.AlternateEmails, check.DeepEquals, []string{"joe.smith@alternate.example.com", "jsmith+123@preferdomainforusername.example.com"})
390         c.Check(authinfo.Username, check.Equals, "jsmith")
391 }
392
393 func (s *LoginSuite) TestGoogleLogin_NoPrimaryEmailAddress(c *check.C) {
394         s.authEmail = "joe.smith@unverified.example.com"
395         s.authEmailVerified = false
396         s.fakePeopleAPIResponse = map[string]interface{}{
397                 "emailAddresses": []map[string]interface{}{
398                         {
399                                 "metadata": map[string]interface{}{"verified": true},
400                                 "value":    "joe.smith@work.example.com",
401                         },
402                         {
403                                 "metadata": map[string]interface{}{"verified": true},
404                                 "value":    "joe.smith@home.example.com",
405                         },
406                 },
407         }
408         state := s.startLogin(c)
409         s.localdb.Login(context.Background(), arvados.LoginOptions{
410                 Code:  s.validCode,
411                 State: state,
412         })
413
414         authinfo := getCallbackAuthInfo(c, s.railsSpy)
415         c.Check(authinfo.Email, check.Equals, "joe.smith@work.example.com") // first verified email in People response
416         c.Check(authinfo.AlternateEmails, check.DeepEquals, []string{"joe.smith@home.example.com"})
417         c.Check(authinfo.Username, check.Equals, "")
418 }
419
420 func (s *LoginSuite) startLogin(c *check.C) (state string) {
421         // Initiate login, but instead of following the redirect to
422         // the provider, just grab state from the redirect URL.
423         resp, err := s.localdb.Login(context.Background(), arvados.LoginOptions{ReturnTo: "https://app.example.com/foo?bar"})
424         c.Check(err, check.IsNil)
425         target, err := url.Parse(resp.RedirectLocation)
426         c.Check(err, check.IsNil)
427         state = target.Query().Get("state")
428         c.Check(state, check.Not(check.Equals), "")
429         return
430 }
431
432 func (s *LoginSuite) fakeToken(c *check.C, payload []byte) string {
433         signer, err := jose.NewSigner(jose.SigningKey{Algorithm: jose.RS256, Key: s.issuerKey}, nil)
434         if err != nil {
435                 c.Error(err)
436         }
437         object, err := signer.Sign(payload)
438         if err != nil {
439                 c.Error(err)
440         }
441         t, err := object.CompactSerialize()
442         if err != nil {
443                 c.Error(err)
444         }
445         c.Logf("fakeToken(%q) == %q", payload, t)
446         return t
447 }
448
449 func getCallbackAuthInfo(c *check.C, railsSpy *arvadostest.Proxy) (authinfo rpc.UserSessionAuthInfo) {
450         for _, dump := range railsSpy.RequestDumps {
451                 c.Logf("spied request: %q", dump)
452                 split := bytes.Split(dump, []byte("\r\n\r\n"))
453                 c.Assert(split, check.HasLen, 2)
454                 hdr, body := string(split[0]), string(split[1])
455                 if strings.Contains(hdr, "POST /auth/controller/callback") {
456                         vs, err := url.ParseQuery(body)
457                         c.Check(json.Unmarshal([]byte(vs.Get("auth_info")), &authinfo), check.IsNil)
458                         c.Check(err, check.IsNil)
459                         sort.Strings(authinfo.AlternateEmails)
460                         return
461                 }
462         }
463         c.Error("callback not found")
464         return
465 }