cchat-gtk/internal/gts/httputil/httputil.go

50 lines
1.1 KiB
Go

package httputil
import (
"context"
"net/http"
"os"
"path/filepath"
"time"
"github.com/gregjones/httpcache"
"github.com/gregjones/httpcache/diskcache"
"github.com/peterbourgon/diskv"
"github.com/pkg/errors"
)
var basePath = filepath.Join(os.TempDir(), "cchat-gtk-totally-not-node-modules")
var dskcached = http.Client{
Timeout: 15 * time.Second,
Transport: httpcache.NewTransport(
diskcache.NewWithDiskv(diskv.New(diskv.Options{
BasePath: basePath,
TempDir: filepath.Join(basePath, "tmp"),
PathPerm: 0750,
FilePerm: 0750,
Compression: diskv.NewZlibCompressionLevel(5),
CacheSizeMax: 0, // 25 MiB in memory
})),
),
}
func get(ctx context.Context, url string, cached bool) (r *http.Response, err error) {
q, err := http.NewRequestWithContext(ctx, "GET", url, nil)
if err != nil {
return nil, errors.Wrap(err, "Failed to make a request")
}
r, err = dskcached.Do(q)
if err != nil {
return nil, err
}
if r.StatusCode < 200 || r.StatusCode > 299 {
r.Body.Close()
return nil, errors.Errorf("Unexpected status %d", r.StatusCode)
}
return r, nil
}