mirror of
https://github.com/minio/mc.git
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135 lines
3.4 KiB
Go
135 lines
3.4 KiB
Go
// Copyright (c) 2015-2022 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero 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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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"crypto/sha256"
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"encoding/hex"
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"os"
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"path/filepath"
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"strings"
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"github.com/minio/mc/pkg/probe"
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)
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// migrateSession migrates all previous migration to latest.
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func migrateSession() {
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// We no longer support sessions older than v5. They will be removed.
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migrateSessionV5ToV6()
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// Migrate V6 to V7.
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migrateSessionV6ToV7()
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// Migrate V7 to V8
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migrateSessionV7ToV8()
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}
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// createSessionDir - create session directory.
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func createSessionDir() *probe.Error {
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sessionDir, err := getSessionDir()
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if err != nil {
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return err.Trace()
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}
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if e := os.MkdirAll(sessionDir, 0o700); e != nil {
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return probe.NewError(e)
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}
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return nil
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}
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// getSessionDir - get session directory.
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func getSessionDir() (string, *probe.Error) {
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configDir, err := getMcConfigDir()
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if err != nil {
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return "", err.Trace()
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}
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sessionDir := filepath.Join(configDir, globalSessionDir)
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return sessionDir, nil
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}
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// isSessionDirExists - verify if session directory exists.
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func isSessionDirExists() bool {
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sessionDir, err := getSessionDir()
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fatalIf(err.Trace(), "Unable to determine session folder.")
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if _, e := os.Stat(sessionDir); e != nil {
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return false
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}
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return true
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}
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// getSessionFile - get current session file.
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func getSessionFile(sid string) (string, *probe.Error) {
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sessionDir, err := getSessionDir()
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if err != nil {
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return "", err.Trace()
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}
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sessionFile := filepath.Join(sessionDir, sid+".json")
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return sessionFile, nil
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}
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// isSessionExists verifies if given session exists.
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func isSessionExists(sid string) bool {
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sessionFile, err := getSessionFile(sid)
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fatalIf(err.Trace(sid), "Unable to determine session filename for `"+sid+"`.")
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if _, e := os.Stat(sessionFile); e != nil {
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return false
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}
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return true // Session exists.
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}
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// getSessionDataFile - get session data file for a given session.
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func getSessionDataFile(sid string) (string, *probe.Error) {
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sessionDir, err := getSessionDir()
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if err != nil {
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return "", err.Trace()
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}
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sessionDataFile := filepath.Join(sessionDir, sid+".data")
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return sessionDataFile, nil
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}
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// getSessionIDs - get all active sessions.
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func getSessionIDs() (sids []string) {
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sessionDir, err := getSessionDir()
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fatalIf(err.Trace(), "Unable to access session folder.")
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sessionList, e := filepath.Glob(sessionDir + "/*.json")
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fatalIf(probe.NewError(e), "Unable to access session folder `"+sessionDir+"`.")
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for _, path := range sessionList {
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sids = append(sids, strings.TrimSuffix(filepath.Base(path), ".json"))
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}
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return sids
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}
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func getHash(prefix string, args []string) string {
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hasher := sha256.New()
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for _, arg := range args {
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if _, err := hasher.Write([]byte(arg)); err != nil {
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panic(err)
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}
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}
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return prefix + "-" + hex.EncodeToString(hasher.Sum(nil))
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}
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