feat: SSO MFA - WebUI backend implementation (#47832) (#48540)

* Add SSO MFA ceremony support to WebUI per-session MFA.

* Add display name to SSO MFA device; Add SSO MFA device to SSO challenge.

* Camel case json tags for front end.

* Add sso channel ID for front end broadcast channel logic.

* Fix backwards compatiblity issue; fix error message.

* Fix test.

* Fallback to connector id if display name isn't set.

* Fix test.

* Resolve comment.

* Use uuid.NewRandom.

* go mod tidy

api/proto/teleport/legacy/client/proto/authservice.proto

@@ -1253,6 +1253,8 @@ message SSOChallenge {
   string request_id = 1;
   // RedirectUrl is an IdP redirect URL to initate the SSO MFA flow.
   string redirect_url = 2;
+  // Device is the SSO device corresponding to the challenge.
+  types.SSOMFADevice device = 3;
 }
 
 // SSOResponse is a response to SSOChallenge.

api/proto/teleport/legacy/types/types.proto

@@ -3838,6 +3838,8 @@ message SSOMFADevice {
   string connector_id = 1;
   // connector_type is the type of the SSO connector.
   string connector_type = 2;
+  // display_name is the display name of the SSO connector
+  string display_name = 3;
 }
 
 // WebauthnLocalAuth holds settings necessary for local webauthn use.

integrations/event-handler/go.sum

@@ -661,6 +661,8 @@ github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/subscription/armsubscripti
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@@ -674,6 +676,8 @@ github.com/MakeNowJust/heredoc v1.0.0 h1:cXCdzVdstXyiTqTvfqk9SDHpKNjxuom+DOlyEeQ
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@@ -943,6 +947,8 @@ github.com/fxamacker/cbor/v2 v2.7.0 h1:iM5WgngdRBanHcxugY4JySA0nk1wZorNOpTgCMedv
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@@ -962,6 +968,8 @@ github.com/go-jose/go-jose/v4 v4.0.2/go.mod h1:WVf9LFMHh/QVrmqrOfqun0C45tMe3RoiK
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@@ -1005,6 +1013,10 @@ github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOW
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@@ -1163,6 +1175,10 @@ github.com/gosuri/uitable v0.0.4 h1:IG2xLKRvErL3uhY6e1BylFzG+aJiwQviDDTfOKeKTpY=
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@@ -1224,6 +1240,10 @@ github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2
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@@ -1267,6 +1287,7 @@ github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2
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@@ -1362,6 +1385,8 @@ github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQ
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@@ -1376,6 +1401,12 @@ github.com/phpdave11/gofpdf v1.4.2/go.mod h1:zpO6xFn9yxo3YLyMvW8HcKWVdbNqgIfOOp2
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+github.com/schollz/progressbar/v3 v3.16.0 h1:+MbBim/cE9DqDb8UXRfLJ6RZdyDkXG1BDy/sWc5s0Mc=
+github.com/schollz/progressbar/v3 v3.16.0/go.mod h1:lLiKjKJ9/yzc9Q8jk+sVLfxWxgXKsktvUf6TO+4Y2nw=
 github.com/scim2/filter-parser/v2 v2.2.0 h1:QGadEcsmypxg8gYChRSM2j1edLyE/2j72j+hdmI4BJM=
 github.com/scim2/filter-parser/v2 v2.2.0/go.mod h1:jWnkDToqX/Y0ugz0P5VvpVEUKcWcyHHj+X+je9ce5JA=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
@@ -1447,6 +1482,10 @@ github.com/sethvargo/go-limiter v1.0.0 h1:JqW13eWEMn0VFv86OKn8wiYJY/m250WoXdrjRV
 github.com/sethvargo/go-limiter v1.0.0/go.mod h1:01b6tW25Ap+MeLYBuD4aHunMrJoNO5PVUFdS9rac3II=
 github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
 github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=
+github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726 h1:xT+JlYxNGqyT+XcU8iUrN18JYed2TvG9yN5ULG2jATM=
+github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726/go.mod h1:3yhqj7WBBfRhbBlzyOC3gUxftwsU0u8gqevxwIHQpMw=
+github.com/siddontang/go-log v0.0.0-20180807004314-8d05993dda07 h1:oI+RNwuC9jF2g2lP0u0cVEEZrc/AYBCuFdvwrLWM/6Q=
+github.com/siddontang/go-log v0.0.0-20180807004314-8d05993dda07/go.mod h1:yFdBgwXP24JziuRl2NMUahT7nGLNOKi1SIiFxMttVD4=
 github.com/sijms/go-ora/v2 v2.8.22 h1:3ABgRzVKxS439cEgSLjFKutIwOyhnyi4oOSBywEdOlU=
 github.com/sijms/go-ora/v2 v2.8.22/go.mod h1:QgFInVi3ZWyqAiJwzBQA+nbKYKH77tdp1PYoCqhR2dU=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -1578,6 +1617,8 @@ go.opentelemetry.io/proto/otlp v1.3.1 h1:TrMUixzpM0yuc/znrFTP9MMRh8trP93mkCiDVeX
 go.opentelemetry.io/proto/otlp v1.3.1/go.mod h1:0X1WI4de4ZsLrrJNLAQbFeLCm3T7yBkR0XqQ7niQU+8=
 go.starlark.net v0.0.0-20230525235612-a134d8f9ddca h1:VdD38733bfYv5tUZwEIskMM93VanwNIi5bIKnDrJdEY=
 go.starlark.net v0.0.0-20230525235612-a134d8f9ddca/go.mod h1:jxU+3+j+71eXOW14274+SmmuW82qJzl6iZSeqEtTGds=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
@@ -2287,6 +2328,10 @@ gopkg.in/evanphx/json-patch.v4 v4.12.0 h1:n6jtcsulIzXPJaxegRbvFNNrZDjbij7ny3gmSP
 gopkg.in/evanphx/json-patch.v4 v4.12.0/go.mod h1:p8EYWUEYMpynmqDbY58zCKCFZw8pRWMG4EsWvDvM72M=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -2385,3 +2430,5 @@ sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+s
 sigs.k8s.io/structured-merge-diff/v4 v4.4.1/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08=
 sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
 sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=
+software.sslmate.com/src/go-pkcs12 v0.5.0 h1:EC6R394xgENTpZ4RltKydeDUjtlM5drOYIG9c6TVj2M=
+software.sslmate.com/src/go-pkcs12 v0.5.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=

lib/auth/github.go

@@ -44,6 +44,7 @@ import (
 	"github.com/gravitational/teleport/api/utils/keys"
 	"github.com/gravitational/teleport/lib/auth/authclient"
 	"github.com/gravitational/teleport/lib/authz"
+	"github.com/gravitational/teleport/lib/client/sso"
 	"github.com/gravitational/teleport/lib/defaults"
 	"github.com/gravitational/teleport/lib/events"
 	"github.com/gravitational/teleport/lib/loginrule"
@@ -982,6 +983,10 @@ func ValidateClientRedirect(clientRedirect string, ssoTestFlow bool, settings *t
 	if err != nil {
 		return trace.Wrap(err, "parsing client redirect URL")
 	}
+	if u.Path == sso.WebMFARedirect {
+		// If this is a SSO redirect in the WebUI, allow.
+		return nil
+	}
 	if u.Opaque != "" {
 		return trace.BadParameter("unexpected opaque client redirect URL")
 	}

lib/auth/grpcserver_test.go

@@ -537,6 +537,7 @@ func TestMFADeviceManagement_SSO(t *testing.T) {
 		Sso: &types.SSOMFADevice{
 			ConnectorId:   samlConnector.GetName(),
 			ConnectorType: samlConnector.GetKind(),
+			DisplayName:   samlConnector.GetDisplay(),
 		},
 	})
 	require.NoError(t, err)

lib/auth/sso_mfa.go

@@ -34,7 +34,10 @@ import (
 
 // beginSSOMFAChallenge creates a new SSO MFA auth request and session data for the given user and sso device.
 func (a *Server) beginSSOMFAChallenge(ctx context.Context, user string, sso *types.SSOMFADevice, ssoClientRedirectURL string, ext *mfav1.ChallengeExtensions) (*proto.SSOChallenge, error) {
-	chal := new(proto.SSOChallenge)
+	chal := &proto.SSOChallenge{
+		Device: sso,
+	}
+
 	switch sso.ConnectorType {
 	case constants.SAML:
 		resp, err := a.CreateSAMLAuthRequestForMFA(ctx, types.SAMLAuthRequest{

lib/auth/sso_mfa_test.go

@@ -411,6 +411,7 @@ func TestSSOMFAChallenge_Validation(t *testing.T) {
 		Sso: &types.SSOMFADevice{
 			ConnectorId:   samlConnector.GetName(),
 			ConnectorType: samlConnector.GetKind(),
+			DisplayName:   samlConnector.GetDisplay(),
 		},
 	})
 	require.NoError(t, err)

lib/client/sso/ceremony.go

@@ -65,15 +65,15 @@ func NewCLICeremony(rd *Redirector, init CeremonyInit) *Ceremony {
 
 // Ceremony is a customizable SSO MFA ceremony.
 type MFACeremony struct {
-	clientCallbackURL   string
 	close               func()
+	ClientCallbackURL   string
 	HandleRedirect      func(ctx context.Context, redirectURL string) error
 	GetCallbackMFAToken func(ctx context.Context) (string, error)
 }
 
 // GetClientCallbackURL returns the client callback URL.
 func (m *MFACeremony) GetClientCallbackURL() string {
-	return m.clientCallbackURL
+	return m.ClientCallbackURL
 }
 
 // Run the SSO MFA ceremony.
@@ -108,8 +108,8 @@ func (m *MFACeremony) Close() {
 // The returned MFACeremony takes ownership of the Redirector.
 func NewCLIMFACeremony(rd *Redirector) *MFACeremony {
 	return &MFACeremony{
-		clientCallbackURL: rd.ClientCallbackURL,
 		close:             rd.Close,
+		ClientCallbackURL: rd.ClientCallbackURL,
 		HandleRedirect:    rd.OpenRedirect,
 		GetCallbackMFAToken: func(ctx context.Context) (string, error) {
 			loginResp, err := rd.WaitForResponse(ctx)

lib/client/sso/redirector.go

@@ -79,6 +79,11 @@ const (
 
 	// DefaultLoginURL is the default login page.
 	DefaultLoginURL = "/web/login"
+
+	// WebMFARedirect is the landing page for SSO MFA in the WebUI. The WebUI set up a listener
+	// on this page in order to capture the SSO MFA response regardless of what page the challenge
+	// was requested from.
+	WebMFARedirect = "/web/sso_confirm"
 )
 
 // RedirectorConfig is configuration for an sso redirector.