gitea/modules/auth/webauthn/webauthn.go

78 lines
1.9 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package webauthn
import (
"encoding/binary"
"encoding/gob"
"net/url"
"code.gitea.io/gitea/models/auth"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"github.com/duo-labs/webauthn/protocol"
"github.com/duo-labs/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, _ := url.Parse(setting.AppURL)
WebAuthn = &webauthn.WebAuthn{
Config: &webauthn.Config{
RPDisplayName: setting.AppName,
RPID: setting.Domain,
RPOrigin: protocol.FullyQualifiedOrigin(appURL),
AuthenticatorSelection: protocol.AuthenticatorSelection{
UserVerification: "discouraged",
},
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()
}
// WebAuthnCredentials implementns the webauthn.User interface
func (u *User) WebAuthnCredentials() []webauthn.Credential {
dbCreds, err := auth.GetWebAuthnCredentialsByUID(u.ID)
if err != nil {
return nil
}
return dbCreds.ToCredentials()
}