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dwelling-upload/cmd/dwelling-upload-clear/main.go

100 lines
2.1 KiB
Go

package main
import (
"dwelling-upload/internal/configuration"
"dwelling-upload/pkg/logging"
"dwelling-upload/pkg/utils"
"flag"
"io/ioutil"
"log"
"os"
"os/user"
"path"
"strconv"
"syscall"
"time"
)
var configPath *string = flag.String("conf", "config.yaml", "path to configuration file")
var logToStdout *bool = flag.Bool("log-stdout", false, "write logs to stdout")
func substituteUser(username string) error {
u, err := user.Lookup(username)
if err != nil {
return err
}
uid, err := strconv.Atoi(u.Uid)
if err != nil {
return err
}
if os.Getuid() != uid {
if err := syscall.Setuid(uid); err != nil {
return err
}
}
return nil
}
func main() {
flag.Parse()
config, err := configuration.LoadConfiguration(*configPath)
if err != nil {
log.Fatalln(err)
}
if config.Chroot != "" {
if err := syscall.Chroot(config.Chroot); err != nil {
log.Fatalln("failed to chroot:", err)
}
}
if err := substituteUser(config.User); err != nil {
log.Fatalln(err)
}
if *logToStdout {
config.Log.ToStdout = true
}
logErr, err := logging.NewLogger(config.Log.ClearError, config.Log.ToStdout)
if err != nil {
log.Fatalln("failed to open error logger:", err)
}
defer logErr.Close()
logClear, err := logging.NewLogger(config.Log.Clear, config.Log.ToStdout)
if err != nil {
log.Fatalln("failed to open error logger:", err)
}
defer logClear.Close()
uploadsDir, err := ioutil.ReadDir(config.Uploads.Directory)
if err != nil {
logErr.Fatalf("failed to open directory %s: %s\n", config.Uploads.Directory, err)
}
var deletedCount int64 = 0
var deletedSize int64 = 0
for _, entry := range uploadsDir {
if time.Now().UTC().Sub(entry.ModTime().UTC()) >= time.Duration(config.Uploads.Limits.KeepForHours)*time.Hour {
if err := os.Remove(path.Join(config.Uploads.Directory, entry.Name())); err != nil {
logErr.Println("failed to remove file ", entry.Name(), ": ", err)
} else {
deletedSize += entry.Size()
deletedCount++
}
}
}
_, _, cFSz := utils.ConvertFileSize(deletedSize)
if deletedCount > 0 {
logClear.Printf("%d %s", deletedCount, cFSz)
}
}