package provisioner import ( "context" "crypto" "crypto/rand" "crypto/rsa" "crypto/sha256" "crypto/x509" "encoding/hex" "fmt" "net/http" "net/http/httptest" "net/url" "strings" "testing" "time" "github.com/smallstep/assert" ) func TestGCP_Getters(t *testing.T) { p, err := generateGCP() assert.FatalError(t, err) id := "gcp/" + p.Name if got := p.GetID(); got != id { t.Errorf("GCP.GetID() = %v, want %v", got, id) } if got := p.GetName(); got != p.Name { t.Errorf("GCP.GetName() = %v, want %v", got, p.Name) } if got := p.GetType(); got != TypeGCP { t.Errorf("GCP.GetType() = %v, want %v", got, TypeGCP) } kid, key, ok := p.GetEncryptedKey() if kid != "" || key != "" || ok == true { t.Errorf("GCP.GetEncryptedKey() = (%v, %v, %v), want (%v, %v, %v)", kid, key, ok, "", "", false) } aud := "https://ca.smallstep.com/1.0/sign#" + url.QueryEscape(id) expected := fmt.Sprintf("http://metadata/computeMetadata/v1/instance/service-accounts/default/identity?audience=%s&format=full&licenses=FALSE", url.QueryEscape(aud)) if got := p.GetIdentityURL(aud); got != expected { t.Errorf("GCP.GetIdentityURL() = %v, want %v", got, expected) } } func TestGCP_GetTokenID(t *testing.T) { p1, err := generateGCP() assert.FatalError(t, err) p1.Name = "name" p2, err := generateGCP() assert.FatalError(t, err) p2.DisableTrustOnFirstUse = true now := time.Now() t1, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", "gcp/name", "instance-id", "instance-name", "project-id", "zone", now, &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) t2, err := generateGCPToken(p2.ServiceAccounts[0], "https://accounts.google.com", p2.GetID(), "instance-id", "instance-name", "project-id", "zone", now, &p2.keyStore.keySet.Keys[0]) assert.FatalError(t, err) sum := sha256.Sum256([]byte("gcp/name.instance-id")) want1 := strings.ToLower(hex.EncodeToString(sum[:])) sum = sha256.Sum256([]byte(t2)) want2 := strings.ToLower(hex.EncodeToString(sum[:])) type args struct { token string } tests := []struct { name string gcp *GCP args args want string wantErr bool }{ {"ok", p1, args{t1}, want1, false}, {"ok", p2, args{t2}, want2, false}, {"fail token", p1, args{"token"}, "", true}, {"fail claims", p1, args{"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.ey.fooo"}, "", true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { got, err := tt.gcp.GetTokenID(tt.args.token) if (err != nil) != tt.wantErr { t.Errorf("GCP.GetTokenID() error = %v, wantErr %v", err, tt.wantErr) return } if got != tt.want { t.Errorf("GCP.GetTokenID() = %v, want %v", got, tt.want) } }) } } func TestGCP_GetIdentityToken(t *testing.T) { p1, err := generateGCP() assert.FatalError(t, err) t1, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { switch r.URL.Path { case "/bad-request": http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest) default: w.Write([]byte(t1)) } })) defer srv.Close() type args struct { subject string caURL string } tests := []struct { name string gcp *GCP args args identityURL string want string wantErr bool }{ {"ok", p1, args{"subject", "https://ca"}, srv.URL, t1, false}, {"fail ca url", p1, args{"subject", "://ca"}, srv.URL, "", true}, {"fail request", p1, args{"subject", "https://ca"}, srv.URL + "/bad-request", "", true}, {"fail url", p1, args{"subject", "https://ca"}, "://ca.smallstep.com", "", true}, {"fail connect", p1, args{"subject", "https://ca"}, "foobarzar", "", true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { tt.gcp.config.IdentityURL = tt.identityURL got, err := tt.gcp.GetIdentityToken(tt.args.subject, tt.args.caURL) t.Log(err) if (err != nil) != tt.wantErr { t.Errorf("GCP.GetIdentityToken() error = %v, wantErr %v", err, tt.wantErr) return } if got != tt.want { t.Errorf("GCP.GetIdentityToken() = %v, want %v", got, tt.want) } }) } } func TestGCP_Init(t *testing.T) { srv := generateJWKServer(2) defer srv.Close() config := Config{ Claims: globalProvisionerClaims, } badClaims := &Claims{ DefaultTLSDur: &Duration{0}, } zero := Duration{Duration: 0} type fields struct { Type string Name string ServiceAccounts []string InstanceAge Duration Claims *Claims } type args struct { config Config certsURL string } tests := []struct { name string fields fields args args wantErr bool }{ {"ok", fields{"GCP", "name", nil, zero, nil}, args{config, srv.URL}, false}, {"ok", fields{"GCP", "name", []string{"service-account"}, zero, nil}, args{config, srv.URL}, false}, {"ok", fields{"GCP", "name", []string{"service-account"}, Duration{Duration: 1 * time.Minute}, nil}, args{config, srv.URL}, false}, {"bad type", fields{"", "name", nil, zero, nil}, args{config, srv.URL}, true}, {"bad name", fields{"GCP", "", nil, zero, nil}, args{config, srv.URL}, true}, {"bad duration", fields{"GCP", "name", nil, Duration{Duration: -1 * time.Minute}, nil}, args{config, srv.URL}, true}, {"bad claims", fields{"GCP", "name", nil, zero, badClaims}, args{config, srv.URL}, true}, {"bad certs", fields{"GCP", "name", nil, zero, nil}, args{config, srv.URL + "/error"}, true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { p := &GCP{ Type: tt.fields.Type, Name: tt.fields.Name, ServiceAccounts: tt.fields.ServiceAccounts, InstanceAge: tt.fields.InstanceAge, Claims: tt.fields.Claims, config: &gcpConfig{ CertsURL: tt.args.certsURL, IdentityURL: gcpIdentityURL, }, } if err := p.Init(tt.args.config); (err != nil) != tt.wantErr { t.Errorf("GCP.Init() error = %v, wantErr %v", err, tt.wantErr) } }) } } func TestGCP_AuthorizeSign(t *testing.T) { p1, err := generateGCP() assert.FatalError(t, err) p2, err := generateGCP() assert.FatalError(t, err) p2.DisableCustomSANs = true p3, err := generateGCP() assert.FatalError(t, err) p3.ProjectIDs = []string{"other-project-id"} p3.ServiceAccounts = []string{"foo@developer.gserviceaccount.com"} p3.InstanceAge = Duration{1 * time.Minute} aKey, err := generateJSONWebKey() assert.FatalError(t, err) t1, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) t2, err := generateGCPToken(p2.ServiceAccounts[0], "https://accounts.google.com", p2.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p2.keyStore.keySet.Keys[0]) assert.FatalError(t, err) t3, err := generateGCPToken(p3.ServiceAccounts[0], "https://accounts.google.com", p3.GetID(), "instance-id", "instance-name", "other-project-id", "zone", time.Now(), &p3.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failKey, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), aKey) assert.FatalError(t, err) failIss, err := generateGCPToken(p1.ServiceAccounts[0], "https://foo.bar.zar", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failAud, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", "gcp:foo", "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failExp, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now().Add(-360*time.Second), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failNbf, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now().Add(360*time.Second), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failServiceAccount, err := generateGCPToken("foo", "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failInvalidProjectID, err := generateGCPToken(p3.ServiceAccounts[0], "https://accounts.google.com", p3.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p3.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failInvalidInstanceAge, err := generateGCPToken(p3.ServiceAccounts[0], "https://accounts.google.com", p3.GetID(), "instance-id", "instance-name", "other-project-id", "zone", time.Now().Add(-1*time.Minute), &p3.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failInstanceID, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failInstanceName, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failProjectID, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) failZone, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) type args struct { token string } tests := []struct { name string gcp *GCP args args wantLen int wantErr bool }{ {"ok", p1, args{t1}, 4, false}, {"ok", p2, args{t2}, 6, false}, {"ok", p3, args{t3}, 4, false}, {"fail token", p1, args{"token"}, 0, true}, {"fail key", p1, args{failKey}, 0, true}, {"fail iss", p1, args{failIss}, 0, true}, {"fail aud", p1, args{failAud}, 0, true}, {"fail exp", p1, args{failExp}, 0, true}, {"fail nbf", p1, args{failNbf}, 0, true}, {"fail service account", p1, args{failServiceAccount}, 0, true}, {"fail invalid project id", p3, args{failInvalidProjectID}, 0, true}, {"fail invalid instance age", p3, args{failInvalidInstanceAge}, 0, true}, {"fail instance id", p1, args{failInstanceID}, 0, true}, {"fail instance name", p1, args{failInstanceName}, 0, true}, {"fail project id", p1, args{failProjectID}, 0, true}, {"fail zone", p1, args{failZone}, 0, true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { ctx := NewContextWithMethod(context.Background(), SignMethod) got, err := tt.gcp.AuthorizeSign(ctx, tt.args.token) if (err != nil) != tt.wantErr { t.Errorf("GCP.AuthorizeSign() error = %v, wantErr %v", err, tt.wantErr) return } assert.Len(t, tt.wantLen, got) }) } } func TestGCP_AuthorizeSSHSign(t *testing.T) { tm, fn := mockNow() defer fn() p1, err := generateGCP() assert.FatalError(t, err) t1, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) key, err := generateJSONWebKey() assert.FatalError(t, err) signer, err := generateJSONWebKey() assert.FatalError(t, err) pub := key.Public().Key rsa2048, err := rsa.GenerateKey(rand.Reader, 2048) assert.FatalError(t, err) rsa1024, err := rsa.GenerateKey(rand.Reader, 1024) assert.FatalError(t, err) hostDuration := p1.claimer.DefaultHostSSHCertDuration() expectedHostOptions := &SSHOptions{ CertType: "host", Principals: []string{"instance-name.c.project-id.internal", "instance-name.zone.c.project-id.internal"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)), } expectedHostOptionsPrincipal1 := &SSHOptions{ CertType: "host", Principals: []string{"instance-name.c.project-id.internal"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)), } expectedHostOptionsPrincipal2 := &SSHOptions{ CertType: "host", Principals: []string{"instance-name.zone.c.project-id.internal"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)), } type args struct { token string sshOpts SSHOptions key interface{} } tests := []struct { name string gcp *GCP args args expected *SSHOptions wantErr bool wantSignErr bool }{ {"ok", p1, args{t1, SSHOptions{}, pub}, expectedHostOptions, false, false}, {"ok-rsa2048", p1, args{t1, SSHOptions{}, rsa2048.Public()}, expectedHostOptions, false, false}, {"ok-type", p1, args{t1, SSHOptions{CertType: "host"}, pub}, expectedHostOptions, false, false}, {"ok-principals", p1, args{t1, SSHOptions{Principals: []string{"instance-name.c.project-id.internal", "instance-name.zone.c.project-id.internal"}}, pub}, expectedHostOptions, false, false}, {"ok-principal1", p1, args{t1, SSHOptions{Principals: []string{"instance-name.c.project-id.internal"}}, pub}, expectedHostOptionsPrincipal1, false, false}, {"ok-principal2", p1, args{t1, SSHOptions{Principals: []string{"instance-name.zone.c.project-id.internal"}}, pub}, expectedHostOptionsPrincipal2, false, false}, {"ok-options", p1, args{t1, SSHOptions{CertType: "host", Principals: []string{"instance-name.c.project-id.internal", "instance-name.zone.c.project-id.internal"}}, pub}, expectedHostOptions, false, false}, {"fail-rsa1024", p1, args{t1, SSHOptions{}, rsa1024.Public()}, expectedHostOptions, false, true}, {"fail-type", p1, args{t1, SSHOptions{CertType: "user"}, pub}, nil, false, true}, {"fail-principal", p1, args{t1, SSHOptions{Principals: []string{"smallstep.com"}}, pub}, nil, false, true}, {"fail-extra-principal", p1, args{t1, SSHOptions{Principals: []string{"instance-name.c.project-id.internal", "instance-name.zone.c.project-id.internal", "smallstep.com"}}, pub}, nil, false, true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { ctx := NewContextWithMethod(context.Background(), SignSSHMethod) got, err := tt.gcp.AuthorizeSSHSign(ctx, tt.args.token) if (err != nil) != tt.wantErr { t.Errorf("GCP.AuthorizeSSHSign() error = %v, wantErr %v", err, tt.wantErr) return } if err != nil { assert.Nil(t, got) } else if assert.NotNil(t, got) { cert, err := signSSHCertificate(tt.args.key, tt.args.sshOpts, got, signer.Key.(crypto.Signer)) if (err != nil) != tt.wantSignErr { t.Errorf("SignSSH error = %v, wantSignErr %v", err, tt.wantSignErr) } else { if tt.wantSignErr { assert.Nil(t, cert) } else { assert.NoError(t, validateSSHCertificate(cert, tt.expected)) } } } }) } } func TestGCP_AuthorizeRenewal(t *testing.T) { p1, err := generateGCP() assert.FatalError(t, err) p2, err := generateGCP() assert.FatalError(t, err) // disable renewal disable := true p2.Claims = &Claims{DisableRenewal: &disable} p2.claimer, err = NewClaimer(p2.Claims, globalProvisionerClaims) assert.FatalError(t, err) type args struct { cert *x509.Certificate } tests := []struct { name string prov *GCP args args wantErr bool }{ {"ok", p1, args{nil}, false}, {"fail", p2, args{nil}, true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if err := tt.prov.AuthorizeRenewal(context.TODO(), tt.args.cert); (err != nil) != tt.wantErr { t.Errorf("GCP.AuthorizeRenewal() error = %v, wantErr %v", err, tt.wantErr) } }) } } func TestGCP_AuthorizeRevoke(t *testing.T) { p1, err := generateGCP() assert.FatalError(t, err) t1, err := generateGCPToken(p1.ServiceAccounts[0], "https://accounts.google.com", p1.GetID(), "instance-id", "instance-name", "project-id", "zone", time.Now(), &p1.keyStore.keySet.Keys[0]) assert.FatalError(t, err) type args struct { token string } tests := []struct { name string gcp *GCP args args wantErr bool }{ {"ok", p1, args{t1}, true}, // revoke is disabled {"fail", p1, args{"token"}, true}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if err := tt.gcp.AuthorizeRevoke(context.TODO(), tt.args.token); (err != nil) != tt.wantErr { t.Errorf("GCP.AuthorizeRevoke() error = %v, wantErr %v", err, tt.wantErr) } }) } }