You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
2.4 KiB
116 lines
2.4 KiB
// Copyright (c) 2022 Proton Technologies AG |
|
// |
|
// This file is part of ProtonMail Bridge. |
|
// |
|
// ProtonMail 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. |
|
// |
|
// ProtonMail 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 ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>. |
|
|
|
package settings |
|
|
|
import ( |
|
"io/ioutil" |
|
"strconv" |
|
"sync" |
|
|
|
"github.com/ghodss/yaml" |
|
"github.com/sirupsen/logrus" |
|
) |
|
|
|
type keyValueStore struct { |
|
cache map[string]string |
|
path string |
|
lock *sync.RWMutex |
|
} |
|
|
|
// newKeyValueStore returns loaded preferences. |
|
func newKeyValueStore(path string) *keyValueStore { |
|
p := &keyValueStore{ |
|
path: path, |
|
lock: &sync.RWMutex{}, |
|
} |
|
if err := p.load(); err != nil { |
|
logrus.WithError(err).Warn("Cannot load preferences file, using defaults") |
|
} |
|
return p |
|
} |
|
|
|
func (p *keyValueStore) load() error { |
|
if p.cache != nil { |
|
return nil |
|
} |
|
|
|
p.lock.Lock() |
|
defer p.lock.Unlock() |
|
|
|
p.cache = map[string]string{} |
|
|
|
data, err := ioutil.ReadFile(p.path) |
|
if err != nil { |
|
return err |
|
} |
|
|
|
if len(data) == 0 { |
|
return nil |
|
} |
|
|
|
return yaml.Unmarshal(data, &p.cache) |
|
} |
|
|
|
func (p *keyValueStore) setDefault(key, value string) { |
|
if p.Get(key) == "" { |
|
p.set(key, value) |
|
} |
|
} |
|
|
|
func (p *keyValueStore) Get(key string) string { |
|
p.lock.RLock() |
|
defer p.lock.RUnlock() |
|
|
|
return p.cache[key] |
|
} |
|
|
|
func (p *keyValueStore) GetBool(key string) bool { |
|
return p.Get(key) == "true" |
|
} |
|
|
|
func (p *keyValueStore) GetInt(key string) int { |
|
if p.Get(key) == "" { |
|
return 0 |
|
} |
|
|
|
value, err := strconv.Atoi(p.Get(key)) |
|
if err != nil { |
|
logrus.WithError(err).Error("Cannot parse int") |
|
} |
|
|
|
return value |
|
} |
|
|
|
func (p *keyValueStore) GetFloat64(key string) float64 { |
|
if p.Get(key) == "" { |
|
return 0 |
|
} |
|
|
|
value, err := strconv.ParseFloat(p.Get(key), 64) |
|
if err != nil { |
|
logrus.WithError(err).Error("Cannot parse float64") |
|
} |
|
|
|
return value |
|
} |
|
|
|
func (p *keyValueStore) set(key, value string) { |
|
p.lock.Lock() |
|
p.cache[key] = value |
|
p.lock.Unlock() |
|
}
|
|
|