75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
/*
|
||
* ALR Updater - Automated updater bot for ALR packages
|
||
* Copyright (C) 2025 The ALR Authors
|
||
*
|
||
* 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 3 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 builtins
|
||
|
||
import (
|
||
"crypto/sha256"
|
||
"encoding/hex"
|
||
"fmt"
|
||
"io"
|
||
"net/http"
|
||
"time"
|
||
|
||
"go.starlark.net/starlark"
|
||
"go.starlark.net/starlarkstruct"
|
||
)
|
||
|
||
func checksumModule() *starlarkstruct.Module {
|
||
return &starlarkstruct.Module{
|
||
Name: "checksum",
|
||
Members: starlark.StringDict{
|
||
"calculate_sha256": starlark.NewBuiltin("checksum.calculate_sha256", calculateSHA256),
|
||
},
|
||
}
|
||
}
|
||
|
||
func calculateSHA256(thread *starlark.Thread, b *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
|
||
var url string
|
||
err := starlark.UnpackArgs("checksum.calculate_sha256", args, kwargs, "url", &url)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
// Создаем HTTP клиент с таймаутом
|
||
client := &http.Client{
|
||
Timeout: 5 * time.Minute,
|
||
}
|
||
|
||
// Загружаем файл
|
||
resp, err := client.Get(url)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("failed to download file: %w", err)
|
||
}
|
||
defer resp.Body.Close()
|
||
|
||
if resp.StatusCode != http.StatusOK {
|
||
return nil, fmt.Errorf("bad status: %s", resp.Status)
|
||
}
|
||
|
||
// Вычисляем SHA256
|
||
hasher := sha256.New()
|
||
_, err = io.Copy(hasher, resp.Body)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("failed to calculate hash: %w", err)
|
||
}
|
||
|
||
// Возвращаем хеш в виде hex строки
|
||
hashSum := hex.EncodeToString(hasher.Sum(nil))
|
||
return starlark.String(hashSum), nil
|
||
} |