feat: support webauthn (#407)

* feat: support webauthn

* Update init.go

* Update user_webauthn.go

* Update UserEditPage.js

* Update WebauthnCredentialTable.js

* Update LoginPage.js

Co-authored-by: Gucheng <85475922+nomeguy@users.noreply.github.com>

object/application.go

@@ -47,6 +47,7 @@ type Application struct {
 	EnableSigninSession bool            `json:"enableSigninSession"`
 	EnableCodeSignin    bool            `json:"enableCodeSignin"`
 	EnableSamlCompress  bool            `json:"enableSamlCompress"`
+	EnableWebAuthn      bool            `json:"enableWebAuthn"`
 	Providers           []*ProviderItem `xorm:"mediumtext" json:"providers"`
 	SignupItems         []*SignupItem   `xorm:"varchar(1000)" json:"signupItems"`
 	GrantTypes          []string        `xorm:"varchar(1000)" json:"grantTypes"`

object/init.go

@@ -15,9 +15,11 @@
 package object
 
 import (
+	"encoding/gob"
 	"io/ioutil"
 
 	"github.com/casdoor/casdoor/util"
+	"github.com/duo-labs/webauthn/webauthn"
 )
 
 func InitDb() {
@@ -29,6 +31,8 @@ func InitDb() {
 		initBuiltInCert()
 		initBuiltInLdap()
 	}
+
+	initWebAuthn()
 }
 
 func initBuiltInOrganization() bool {
@@ -72,6 +76,7 @@ func initBuiltInOrganization() bool {
 			{Name: "Is global admin", Visible: true, ViewRule: "Admin", ModifyRule: "Admin"},
 			{Name: "Is forbidden", Visible: true, ViewRule: "Admin", ModifyRule: "Admin"},
 			{Name: "Is deleted", Visible: true, ViewRule: "Admin", ModifyRule: "Admin"},
+			{Name: "WebAuthn credentials", Visible: true, ViewRule: "Self", ModifyRule: "Self"},
 		},
 	}
 	AddOrganization(organization)
@@ -221,3 +226,7 @@ func initBuiltInProvider() {
 	}
 	AddProvider(provider)
 }
+
+func initWebAuthn() {
+	gob.Register(webauthn.SessionData{})
+}

object/user.go

@@ -20,6 +20,7 @@ import (
 
 	"github.com/casdoor/casdoor/conf"
 	"github.com/casdoor/casdoor/util"
+	"github.com/duo-labs/webauthn/webauthn"
 	"xorm.io/core"
 )
 
@@ -99,6 +100,8 @@ type User struct {
 	Douyin        string `xorm:"douyin vachar(100)" json:"douyin"`
 	Custom        string `xorm:"custom varchar(100)" json:"custom"`
 
+	WebauthnCredentials []webauthn.Credential `xorm:"webauthnCredentials blob" json:"webauthnCredentials"`
+
 	Ldap       string            `xorm:"ldap varchar(100)" json:"ldap"`
 	Properties map[string]string `json:"properties"`
 }
@@ -328,7 +331,7 @@ func UpdateUser(id string, user *User, columns []string, isGlobalAdmin bool) boo
 	if len(columns) == 0 {
 		columns = []string{"owner", "display_name", "avatar",
 			"location", "address", "region", "language", "affiliation", "title", "homepage", "bio", "score", "tag", "signup_application",
-			"is_admin", "is_global_admin", "is_forbidden", "is_deleted", "hash", "is_default_avatar", "properties"}
+			"is_admin", "is_global_admin", "is_forbidden", "is_deleted", "hash", "is_default_avatar", "properties", "webauthnCredentials"}
 	}
 	if isGlobalAdmin {
 		columns = append(columns, "name", "email", "phone")

object/user_webauthn.go

@@ -0,0 +1,102 @@
+// Copyright 2022 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package object
+
+import (
+	"encoding/base64"
+	"net/url"
+	"strings"
+
+	"github.com/astaxie/beego"
+	"github.com/duo-labs/webauthn/protocol"
+	"github.com/duo-labs/webauthn/webauthn"
+)
+
+func GetWebAuthnObject(host string) *webauthn.WebAuthn {
+	var err error
+
+	origin := beego.AppConfig.String("origin")
+	if origin == "" {
+		_, origin = getOriginFromHost(host)
+	}
+
+	localUrl, err := url.Parse(origin)
+	if err != nil {
+		panic("error when parsing origin:" + err.Error())
+	}
+
+	webAuthn, err := webauthn.New(&webauthn.Config{
+		RPDisplayName: beego.AppConfig.String("appname"),    // Display Name for your site
+		RPID:          strings.Split(localUrl.Host, ":")[0], // Generally the domain name for your site, it's ok because splits cannot return empty array
+		RPOrigin:      origin,                               // The origin URL for WebAuthn requests
+		// RPIcon:     "https://duo.com/logo.png",           // Optional icon URL for your site
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	return webAuthn
+}
+
+// implementation of webauthn.User interface
+func (u *User) WebAuthnID() []byte {
+	return []byte(u.GetId())
+}
+
+func (u *User) WebAuthnName() string {
+	return u.Name
+}
+
+func (u *User) WebAuthnDisplayName() string {
+	return u.DisplayName
+}
+
+func (u *User) WebAuthnCredentials() []webauthn.Credential {
+	return u.WebauthnCredentials
+}
+
+func (u *User) WebAuthnIcon() string {
+	return u.Avatar
+}
+
+// CredentialExcludeList returns a CredentialDescriptor array filled with all the user's credentials
+func (u *User) CredentialExcludeList() []protocol.CredentialDescriptor {
+	credentials := u.WebAuthnCredentials()
+	credentialExcludeList := []protocol.CredentialDescriptor{}
+	for _, cred := range credentials {
+		descriptor := protocol.CredentialDescriptor{
+			Type:         protocol.PublicKeyCredentialType,
+			CredentialID: cred.ID,
+		}
+		credentialExcludeList = append(credentialExcludeList, descriptor)
+	}
+
+	return credentialExcludeList
+}
+
+func (u *User) AddCredentials(credential webauthn.Credential, isGlobalAdmin bool) bool {
+	u.WebauthnCredentials = append(u.WebauthnCredentials, credential)
+	return UpdateUser(u.GetId(), u, []string{"webauthnCredentials"}, isGlobalAdmin)
+}
+
+func (u *User) DeleteCredentials(credentialIdBase64 string) bool {
+	for i, credential := range u.WebauthnCredentials {
+		if base64.StdEncoding.EncodeToString(credential.ID) == credentialIdBase64 {
+			u.WebauthnCredentials = append(u.WebauthnCredentials[0:i], u.WebauthnCredentials[i+1:]...)
+			return UpdateUserForAllFields(u.GetId(), u)
+		}
+	}
+	return false
+}