lib/controller/localdb/login_ldap_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         "context"
   9         "encoding/json"
  10         "net"
  11         "net/http"
  12
  13         "git.arvados.org/arvados.git/lib/config"
  14         "git.arvados.org/arvados.git/lib/controller/railsproxy"
  15         "git.arvados.org/arvados.git/sdk/go/arvados"
  16         "git.arvados.org/arvados.git/sdk/go/arvadostest"
  17         "git.arvados.org/arvados.git/sdk/go/auth"
  18         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  19         "github.com/bradleypeabody/godap"
  20         check "gopkg.in/check.v1"
  21 )
  22
  23 var _ = check.Suite(&LDAPSuite{})
  24
  25 type LDAPSuite struct {
  26         cluster *arvados.Cluster
  27         ctrl    *ldapLoginController
  28         ldap    *godap.LDAPServer // fake ldap server that accepts auth goodusername/goodpassword
  29 }
  30
  31 func (s *LDAPSuite) TearDownSuite(c *check.C) {
  32         // Undo any changes/additions to the user database so they
  33         // don't affect subsequent tests.
  34         arvadostest.ResetEnv()
  35         c.Check(arvados.NewClientFromEnv().RequestAndDecode(nil, "POST", "database/reset", nil, nil), check.IsNil)
  36 }
  37
  38 func (s *LDAPSuite) SetUpSuite(c *check.C) {
  39         cfg, err := config.NewLoader(nil, ctxlog.TestLogger(c)).Load()
  40         c.Assert(err, check.IsNil)
  41         s.cluster, err = cfg.GetCluster("")
  42         c.Assert(err, check.IsNil)
  43
  44         ln, err := net.Listen("tcp", "127.0.0.1:0")
  45         s.ldap = &godap.LDAPServer{
  46                 Listener: ln,
  47                 Handlers: []godap.LDAPRequestHandler{
  48                         &godap.LDAPBindFuncHandler{
  49                                 LDAPBindFunc: func(binddn string, bindpw []byte) bool {
  50                                         return binddn == "cn=goodusername,dc=example,dc=com" && string(bindpw) == "goodpassword"
  51                                 },
  52                         },
  53                         &godap.LDAPSimpleSearchFuncHandler{
  54                                 LDAPSimpleSearchFunc: func(req *godap.LDAPSimpleSearchRequest) []*godap.LDAPSimpleSearchResultEntry {
  55                                         if req.FilterAttr != "uid" || req.BaseDN != "dc=example,dc=com" {
  56                                                 return []*godap.LDAPSimpleSearchResultEntry{}
  57                                         }
  58                                         return []*godap.LDAPSimpleSearchResultEntry{
  59                                                 &godap.LDAPSimpleSearchResultEntry{
  60                                                         DN: "cn=" + req.FilterValue + "," + req.BaseDN,
  61                                                         Attrs: map[string]interface{}{
  62                                                                 "SN":   req.FilterValue,
  63                                                                 "CN":   req.FilterValue,
  64                                                                 "uid":  req.FilterValue,
  65                                                                 "mail": req.FilterValue + "@example.com",
  66                                                         },
  67                                                 },
  68                                         }
  69                                 },
  70                         },
  71                 },
  72         }
  73         go func() {
  74                 ctxlog.TestLogger(c).Print(s.ldap.Serve())
  75         }()
  76
  77         s.cluster.Login.LDAP.Enable = true
  78         err = json.Unmarshal([]byte(`"ldap://`+ln.Addr().String()+`"`), &s.cluster.Login.LDAP.URL)
  79         s.cluster.Login.LDAP.StartTLS = false
  80         s.cluster.Login.LDAP.SearchBindUser = "cn=goodusername,dc=example,dc=com"
  81         s.cluster.Login.LDAP.SearchBindPassword = "goodpassword"
  82         s.cluster.Login.LDAP.SearchBase = "dc=example,dc=com"
  83         c.Assert(err, check.IsNil)
  84         s.ctrl = &ldapLoginController{
  85                 Cluster:    s.cluster,
  86                 RailsProxy: railsproxy.NewConn(s.cluster),
  87         }
  88 }
  89
  90 func (s *LDAPSuite) TestLoginSuccess(c *check.C) {
  91         resp, err := s.ctrl.UserAuthenticate(context.Background(), arvados.UserAuthenticateOptions{
  92                 Username: "goodusername",
  93                 Password: "goodpassword",
  94         })
  95         c.Check(err, check.IsNil)
  96         c.Check(resp.APIToken, check.Not(check.Equals), "")
  97         c.Check(resp.UUID, check.Matches, `zzzzz-gj3su-.*`)
  98         c.Check(resp.Scopes, check.DeepEquals, []string{"all"})
  99
 100         ctx := auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{"v2/" + resp.UUID + "/" + resp.APIToken}})
 101         user, err := railsproxy.NewConn(s.cluster).UserGetCurrent(ctx, arvados.GetOptions{})
 102         c.Check(err, check.IsNil)
 103         c.Check(user.Email, check.Equals, "goodusername@example.com")
 104         c.Check(user.Username, check.Equals, "goodusername")
 105 }
 106
 107 func (s *LDAPSuite) TestLoginFailure(c *check.C) {
 108         // search returns no results
 109         s.cluster.Login.LDAP.SearchBase = "dc=example,dc=invalid"
 110         resp, err := s.ctrl.UserAuthenticate(context.Background(), arvados.UserAuthenticateOptions{
 111                 Username: "goodusername",
 112                 Password: "goodpassword",
 113         })
 114         c.Check(err, check.ErrorMatches, `LDAP: Authentication failure \(with username "goodusername" and password\)`)
 115         hs, ok := err.(interface{ HTTPStatus() int })
 116         if c.Check(ok, check.Equals, true) {
 117                 c.Check(hs.HTTPStatus(), check.Equals, http.StatusUnauthorized)
 118         }
 119         c.Check(resp.APIToken, check.Equals, "")
 120
 121         // search returns result, but auth fails
 122         s.cluster.Login.LDAP.SearchBase = "dc=example,dc=com"
 123         resp, err = s.ctrl.UserAuthenticate(context.Background(), arvados.UserAuthenticateOptions{
 124                 Username: "badusername",
 125                 Password: "badpassword",
 126         })
 127         c.Check(err, check.ErrorMatches, `LDAP: Authentication failure \(with username "badusername" and password\)`)
 128         hs, ok = err.(interface{ HTTPStatus() int })
 129         if c.Check(ok, check.Equals, true) {
 130                 c.Check(hs.HTTPStatus(), check.Equals, http.StatusUnauthorized)
 131         }
 132         c.Check(resp.APIToken, check.Equals, "")
 133 }