50 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package activitypub
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import (
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	"context"
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	user_model "code.gitea.io/gitea/models/user"
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	"code.gitea.io/gitea/modules/util"
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)
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const rsaBits = 3072
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// GetKeyPair function returns a user's private and public keys
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func GetKeyPair(ctx context.Context, user *user_model.User) (pub, priv string, err error) {
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	var settings map[string]*user_model.Setting
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	settings, err = user_model.GetSettings(ctx, user.ID, []string{user_model.UserActivityPubPrivPem, user_model.UserActivityPubPubPem})
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	if err != nil {
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		return pub, priv, err
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	} else if len(settings) == 0 {
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		if priv, pub, err = util.GenerateKeyPair(rsaBits); err != nil {
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			return pub, priv, err
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		}
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		if err = user_model.SetUserSetting(ctx, user.ID, user_model.UserActivityPubPrivPem, priv); err != nil {
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			return pub, priv, err
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		}
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		if err = user_model.SetUserSetting(ctx, user.ID, user_model.UserActivityPubPubPem, pub); err != nil {
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			return pub, priv, err
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		}
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		return pub, priv, err
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	} else {
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		priv = settings[user_model.UserActivityPubPrivPem].SettingValue
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		pub = settings[user_model.UserActivityPubPubPem].SettingValue
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		return pub, priv, err
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	}
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}
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// GetPublicKey function returns a user's public key
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func GetPublicKey(ctx context.Context, user *user_model.User) (pub string, err error) {
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	pub, _, err = GetKeyPair(ctx, user)
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	return pub, err
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}
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// GetPrivateKey function returns a user's private key
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func GetPrivateKey(ctx context.Context, user *user_model.User) (priv string, err error) {
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	_, priv, err = GetKeyPair(ctx, user)
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	return priv, err
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}
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