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// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package activitypub

import (
	user_model "code.gitea.io/gitea/models/user"
)

// GetKeyPair function
func GetKeyPair(user *user_model.User) (pub, priv string, err error) {
	var settings map[string]*user_model.Setting
	if settings, err = user_model.GetUserSettings(user.ID, []string{"activitypub_privpem", "activitypub_pubpem"}); err != nil {
		return
	} else if len(settings) == 0 {
		if priv, pub, err = GenerateKeyPair(); err != nil {
			return
		}
		if err = user_model.SetUserSetting(user.ID, "activitypub_privpem", priv); err != nil {
			return
		}
		if err = user_model.SetUserSetting(user.ID, "activitypub_pubpem", pub); err != nil {
			return
		}
		return
	} else {
		priv = settings["activitypub_privpem"].SettingValue
		pub = settings["activitypub_pubpem"].SettingValue
		return
	}
}

// GetPublicKey function
func GetPublicKey(user *user_model.User) (pub string, err error) {
	pub, _, err = GetKeyPair(user)
	return
}

// GetPrivateKey function
func GetPrivateKey(user *user_model.User) (priv string, err error) {
	_, priv, err = GetKeyPair(user)
	return
}