githaven/modules/auth/webauthn/webauthn.go
Anbraten 91745ae46f
Add Passkey login support (#31504)
closes #22015

After adding a passkey, you can now simply login with it directly by
clicking `Sign in with a passkey`.

![Screenshot from 2024-06-26
12-18-17](https://github.com/go-gitea/gitea/assets/6918444/079013c0-ed70-481c-8497-4427344bcdfc)

Note for testing. You need to run gitea using `https` to get the full
passkeys experience.

---------

Co-authored-by: silverwind <me@silverwind.io>
2024-06-29 22:50:03 +00:00

78 lines
2.0 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package webauthn
import (
"encoding/binary"
"encoding/gob"
"code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"github.com/go-webauthn/webauthn/protocol"
"github.com/go-webauthn/webauthn/webauthn"
)
// WebAuthn represents the global WebAuthn instance
var WebAuthn *webauthn.WebAuthn
// Init initializes the WebAuthn instance from the config.
func Init() {
gob.Register(&webauthn.SessionData{})
appURL, _ := protocol.FullyQualifiedOrigin(setting.AppURL)
WebAuthn = &webauthn.WebAuthn{
Config: &webauthn.Config{
RPDisplayName: setting.AppName,
RPID: setting.Domain,
RPOrigins: []string{appURL},
AuthenticatorSelection: protocol.AuthenticatorSelection{
UserVerification: protocol.VerificationDiscouraged,
},
AttestationPreference: protocol.PreferDirectAttestation,
},
}
}
// User represents an implementation of webauthn.User based on User model
type User user_model.User
// WebAuthnID implements the webauthn.User interface
func (u *User) WebAuthnID() []byte {
id := make([]byte, 8)
binary.PutVarint(id, u.ID)
return id
}
// WebAuthnName implements the webauthn.User interface
func (u *User) WebAuthnName() string {
if u.LoginName == "" {
return u.Name
}
return u.LoginName
}
// WebAuthnDisplayName implements the webauthn.User interface
func (u *User) WebAuthnDisplayName() string {
return (*user_model.User)(u).DisplayName()
}
// WebAuthnIcon implements the webauthn.User interface
func (u *User) WebAuthnIcon() string {
return (*user_model.User)(u).AvatarLink(db.DefaultContext)
}
// WebAuthnCredentials implements the webauthn.User interface
func (u *User) WebAuthnCredentials() []webauthn.Credential {
dbCreds, err := auth.GetWebAuthnCredentialsByUID(db.DefaultContext, u.ID)
if err != nil {
return nil
}
return dbCreds.ToCredentials()
}