forked from Silverfish/proton-bridge
f3c69faf8b
* Renaming GUI, CLI, no-impact config. * License header and documentation rebranding. * Rename app title and vendor. Impact: manual install * Migrating mac keychain and launch on startup. * Fix linter and linter renaming
86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
// Copyright (c) 2022 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package logging
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"sort"
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"github.com/sirupsen/logrus"
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)
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func clearLogs(logDir string, maxLogs int, maxCrashes int) error {
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files, err := ioutil.ReadDir(logDir)
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if err != nil {
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return err
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}
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var logsWithPrefix []string
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var crashesWithPrefix []string
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for _, file := range files {
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if MatchLogName(file.Name()) {
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if MatchStackTraceName(file.Name()) {
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crashesWithPrefix = append(crashesWithPrefix, file.Name())
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} else {
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logsWithPrefix = append(logsWithPrefix, file.Name())
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}
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} else {
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// Older versions of Bridge stored logs in subfolders for each version.
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// That also has to be cleared and the functionality can be removed after some time.
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if file.IsDir() {
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if err := clearLogs(filepath.Join(logDir, file.Name()), maxLogs, maxCrashes); err != nil {
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return err
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}
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} else {
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removeLog(logDir, file.Name())
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}
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}
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}
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removeOldLogs(logDir, logsWithPrefix, maxLogs)
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removeOldLogs(logDir, crashesWithPrefix, maxCrashes)
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return nil
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}
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func removeOldLogs(logDir string, filenames []string, maxLogs int) {
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count := len(filenames)
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if count <= maxLogs {
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return
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}
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sort.Strings(filenames) // Sorted by timestamp: oldest first.
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for _, filename := range filenames[:count-maxLogs] {
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removeLog(logDir, filename)
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}
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}
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func removeLog(logDir, filename string) {
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// We need to be sure to delete only log files.
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// Directory with logs can also contain other files.
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if !MatchLogName(filename) {
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return
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}
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if err := os.Remove(filepath.Join(logDir, filename)); err != nil {
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logrus.WithError(err).Error("Failed to remove", filepath.Join(logDir, filename))
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}
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}
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