-
Notifications
You must be signed in to change notification settings - Fork 4
/
fsdownload.go
45 lines (41 loc) · 1.31 KB
/
fsdownload.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
// Package filesystem - Content managed by Project Forge, see [projectforge.md] for details.
package filesystem
import (
"context"
"io"
"net/http"
"strings"
"github.com/pkg/errors"
"projectforge.dev/projectforge/app/util"
)
func (f *FileSystem) Download(ctx context.Context, url string, path string, overwrite bool, _ util.Logger) (int, error) {
if !strings.HasPrefix(url, "https://") {
return 0, errors.New("only [https] requests are supported")
}
if f.Exists(path) && !overwrite {
return 0, errors.Errorf("file [%s] exists", path)
}
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, http.NoBody)
if err != nil {
return 0, errors.Wrapf(err, "unable to make request for url [%s]", url)
}
rsp, err := http.DefaultClient.Do(req)
if err != nil {
return 0, errors.Wrapf(err, "unable to load url [%s]", url)
}
defer func() {
_ = rsp.Body.Close()
}()
if rsp.StatusCode != http.StatusOK {
return 0, errors.Errorf("response from url [%s] has status [%d], expected [200]", url, rsp.StatusCode)
}
w, err := f.FileWriter(path, true, false)
if err != nil {
return 0, errors.Wrapf(err, "unable to open file at path [%s]", path)
}
x, err := io.Copy(w, rsp.Body)
if err != nil {
return 0, errors.Wrapf(err, "unable to save response from url [%s] to file [%s]", url, path)
}
return int(x), nil
}