luet/pkg/helpers/uri.go
Ettore Di Giacinto 4947b891c5 ⚙️ Add luet repo add/get
Fix #230
2022-03-17 17:01:43 +01:00

63 lines
1.4 KiB
Go

// Copyright © 2022 Ettore Di Giacinto <mudler@gentoo.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see <http://www.gnu.org/licenses/>.
package helpers
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"github.com/pkg/errors"
)
func IsUrl(s string) bool {
url, err := url.Parse(s)
if err != nil || url.Scheme == "" {
return false
}
return true
}
func GetURI(s string) (string, error) {
f, err := os.Stat(s)
switch {
case err == nil && f.IsDir():
return "", errors.New("directories not supported")
case err == nil:
b, err := ioutil.ReadFile(s)
return string(b), err
case IsUrl(s):
resp, err := http.Get(s)
if err != nil {
return "", err
}
defer resp.Body.Close()
buf := bytes.NewBuffer([]byte{})
_, err = io.Copy(buf, resp.Body)
if err != nil {
return "", err
}
return buf.String(), nil
default:
return "", errors.New("not supported")
}
}