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