Files
proton-bridge/internal/user/keys.go
2022-11-16 12:26:09 +01:00

78 lines
2.3 KiB
Go

// Copyright (c) 2022 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
package user
import (
"fmt"
"github.com/ProtonMail/gopenpgp/v2/crypto"
"gitlab.protontech.ch/go/liteapi"
)
func (user *User) withUserKR(fn func(*crypto.KeyRing) error) error {
return user.apiUser.LoadErr(func(apiUser liteapi.User) error {
userKR, err := apiUser.Keys.Unlock(user.vault.KeyPass(), nil)
if err != nil {
return fmt.Errorf("failed to unlock user keys: %w", err)
}
defer userKR.ClearPrivateParams()
return fn(userKR)
})
}
func (user *User) withAddrKR(addrID string, fn func(*crypto.KeyRing) error) error {
return user.withUserKR(func(userKR *crypto.KeyRing) error {
if ok, err := user.apiAddrs.GetErr(addrID, func(apiAddr liteapi.Address) error {
addrKR, err := apiAddr.Keys.Unlock(user.vault.KeyPass(), userKR)
if err != nil {
return fmt.Errorf("failed to unlock address keys: %w", err)
}
defer userKR.ClearPrivateParams()
return fn(addrKR)
}); !ok {
return fmt.Errorf("no such address %q", addrID)
} else if err != nil {
return err
}
return nil
})
}
func (user *User) withAddrKRs(fn func(map[string]*crypto.KeyRing) error) error {
return user.withUserKR(func(userKR *crypto.KeyRing) error {
return user.apiAddrs.ValuesErr(func(apiAddrs []liteapi.Address) error {
addrKRs := make(map[string]*crypto.KeyRing)
for _, apiAddr := range apiAddrs {
addrKR, err := apiAddr.Keys.Unlock(user.vault.KeyPass(), userKR)
if err != nil {
return fmt.Errorf("failed to unlock address keys: %w", err)
}
defer userKR.ClearPrivateParams()
addrKRs[apiAddr.ID] = addrKR
}
return fn(addrKRs)
})
})
}