From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 modules/auth/webauthn/webauthn.go      | 77 ++++++++++++++++++++++++++++++++++
 modules/auth/webauthn/webauthn_test.go | 25 +++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 modules/auth/webauthn/webauthn.go
 create mode 100644 modules/auth/webauthn/webauthn_test.go

(limited to 'modules/auth/webauthn')

diff --git a/modules/auth/webauthn/webauthn.go b/modules/auth/webauthn/webauthn.go
new file mode 100644
index 0000000..189d197
--- /dev/null
+++ b/modules/auth/webauthn/webauthn.go
@@ -0,0 +1,77 @@
+// 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: "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(db.DefaultContext)
+}
+
+// WebAuthnCredentials implementns 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()
+}
diff --git a/modules/auth/webauthn/webauthn_test.go b/modules/auth/webauthn/webauthn_test.go
new file mode 100644
index 0000000..15a8d71
--- /dev/null
+++ b/modules/auth/webauthn/webauthn_test.go
@@ -0,0 +1,25 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package webauthn
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/modules/setting"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestInit(t *testing.T) {
+	setting.Domain = "domain"
+	setting.AppName = "AppName"
+	setting.AppURL = "https://domain/"
+	rpOrigin := []string{"https://domain"}
+
+	Init()
+
+	assert.Equal(t, setting.Domain, WebAuthn.Config.RPID)
+	assert.Equal(t, setting.AppName, WebAuthn.Config.RPDisplayName)
+	assert.Equal(t, rpOrigin, WebAuthn.Config.RPOrigins)
+}
-- 
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