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package http
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"github.com/aptly-dev/aptly/aptly"
"github.com/aptly-dev/aptly/utils"
)
// DownloadTemp starts new download to temporary file and returns File
//
// Temporary file would be already removed, so no need to cleanup
func DownloadTemp(ctx context.Context, downloader aptly.Downloader, url string) (*os.File, error) {
return DownloadTempWithChecksum(ctx, downloader, url, nil, false, 1)
}
// DownloadTempWithChecksum is a DownloadTemp with checksum verification
//
// Temporary file would be already removed, so no need to cleanup
func DownloadTempWithChecksum(ctx context.Context, downloader aptly.Downloader, url string, expected *utils.ChecksumInfo, ignoreMismatch bool, maxTries int) (*os.File, error) {
tempdir, err := ioutil.TempDir(os.TempDir(), "aptly")
if err != nil {
return nil, err
}
defer os.RemoveAll(tempdir)
tempfile := filepath.Join(tempdir, "buffer")
if expected != nil && downloader.GetProgress() != nil {
downloader.GetProgress().InitBar(expected.Size, true)
defer downloader.GetProgress().ShutdownBar()
}
err = downloader.DownloadWithChecksum(ctx, url, tempfile, expected, ignoreMismatch, maxTries)
if err != nil {
return nil, err
}
file, err := os.Open(tempfile)
if err != nil {
return nil, err
}
return file, nil
}
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